diff options
Diffstat (limited to 'source4/heimdal/lib/gssapi')
123 files changed, 22785 insertions, 0 deletions
diff --git a/source4/heimdal/lib/gssapi/gssapi/gssapi.h b/source4/heimdal/lib/gssapi/gssapi/gssapi.h new file mode 100644 index 0000000000..d6417cdf0c --- /dev/null +++ b/source4/heimdal/lib/gssapi/gssapi/gssapi.h @@ -0,0 +1,821 @@ +/* + * Copyright (c) 1997 - 2007 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#ifndef GSSAPI_GSSAPI_H_ +#define GSSAPI_GSSAPI_H_ + +/* + * First, include stddef.h to get size_t defined. + */ +#include <stddef.h> + +#include <krb5-types.h> + +#ifndef BUILD_GSSAPI_LIB +#if defined(_WIN32) +#define GSSAPI_LIB_FUNCTION _stdcall __declspec(dllimport) +#define GSSAPI_LIB_VARIABLE __declspec(dllimport) +#else +#define GSSAPI_LIB_FUNCTION +#define GSSAPI_LIB_VARIABLE +#endif +#endif + +/* + * Now define the three implementation-dependent types. + */ + +typedef uint32_t OM_uint32; +typedef uint64_t OM_uint64; + +typedef uint32_t gss_uint32; + +struct gss_name_t_desc_struct; +typedef struct gss_name_t_desc_struct *gss_name_t; + +struct gss_ctx_id_t_desc_struct; +typedef struct gss_ctx_id_t_desc_struct *gss_ctx_id_t; + +typedef struct gss_OID_desc_struct { + OM_uint32 length; + void *elements; +} gss_OID_desc, *gss_OID; + +typedef struct gss_OID_set_desc_struct { + size_t count; + gss_OID elements; +} gss_OID_set_desc, *gss_OID_set; + +typedef int gss_cred_usage_t; + +struct gss_cred_id_t_desc_struct; +typedef struct gss_cred_id_t_desc_struct *gss_cred_id_t; + +typedef struct gss_buffer_desc_struct { + size_t length; + void *value; +} gss_buffer_desc, *gss_buffer_t; + +typedef struct gss_channel_bindings_struct { + OM_uint32 initiator_addrtype; + gss_buffer_desc initiator_address; + OM_uint32 acceptor_addrtype; + gss_buffer_desc acceptor_address; + gss_buffer_desc application_data; +} *gss_channel_bindings_t; + +/* GGF extension data types */ +typedef struct gss_buffer_set_desc_struct { + size_t count; + gss_buffer_desc *elements; +} gss_buffer_set_desc, *gss_buffer_set_t; + +/* + * For now, define a QOP-type as an OM_uint32 + */ +typedef OM_uint32 gss_qop_t; + +/* + * Flag bits for context-level services. + */ +#define GSS_C_DELEG_FLAG 1 +#define GSS_C_MUTUAL_FLAG 2 +#define GSS_C_REPLAY_FLAG 4 +#define GSS_C_SEQUENCE_FLAG 8 +#define GSS_C_CONF_FLAG 16 +#define GSS_C_INTEG_FLAG 32 +#define GSS_C_ANON_FLAG 64 +#define GSS_C_PROT_READY_FLAG 128 +#define GSS_C_TRANS_FLAG 256 + +#define GSS_C_DCE_STYLE 4096 +#define GSS_C_IDENTIFY_FLAG 8192 +#define GSS_C_EXTENDED_ERROR_FLAG 16384 +#define GSS_C_DELEG_POLICY_FLAG 32768 + +/* + * Credential usage options + */ +#define GSS_C_BOTH 0 +#define GSS_C_INITIATE 1 +#define GSS_C_ACCEPT 2 + +/* + * Status code types for gss_display_status + */ +#define GSS_C_GSS_CODE 1 +#define GSS_C_MECH_CODE 2 + +/* + * The constant definitions for channel-bindings address families + */ +#define GSS_C_AF_UNSPEC 0 +#define GSS_C_AF_LOCAL 1 +#define GSS_C_AF_INET 2 +#define GSS_C_AF_IMPLINK 3 +#define GSS_C_AF_PUP 4 +#define GSS_C_AF_CHAOS 5 +#define GSS_C_AF_NS 6 +#define GSS_C_AF_NBS 7 +#define GSS_C_AF_ECMA 8 +#define GSS_C_AF_DATAKIT 9 +#define GSS_C_AF_CCITT 10 +#define GSS_C_AF_SNA 11 +#define GSS_C_AF_DECnet 12 +#define GSS_C_AF_DLI 13 +#define GSS_C_AF_LAT 14 +#define GSS_C_AF_HYLINK 15 +#define GSS_C_AF_APPLETALK 16 +#define GSS_C_AF_BSC 17 +#define GSS_C_AF_DSS 18 +#define GSS_C_AF_OSI 19 +#define GSS_C_AF_X25 21 +#define GSS_C_AF_INET6 24 + +#define GSS_C_AF_NULLADDR 255 + +/* + * Various Null values + */ +#define GSS_C_NO_NAME ((gss_name_t) 0) +#define GSS_C_NO_BUFFER ((gss_buffer_t) 0) +#define GSS_C_NO_BUFFER_SET ((gss_buffer_set_t) 0) +#define GSS_C_NO_OID ((gss_OID) 0) +#define GSS_C_NO_OID_SET ((gss_OID_set) 0) +#define GSS_C_NO_CONTEXT ((gss_ctx_id_t) 0) +#define GSS_C_NO_CREDENTIAL ((gss_cred_id_t) 0) +#define GSS_C_NO_CHANNEL_BINDINGS ((gss_channel_bindings_t) 0) +#define GSS_C_EMPTY_BUFFER {0, NULL} + +/* + * Some alternate names for a couple of the above + * values. These are defined for V1 compatibility. + */ +#define GSS_C_NULL_OID GSS_C_NO_OID +#define GSS_C_NULL_OID_SET GSS_C_NO_OID_SET + +/* + * Define the default Quality of Protection for per-message + * services. Note that an implementation that offers multiple + * levels of QOP may define GSS_C_QOP_DEFAULT to be either zero + * (as done here) to mean "default protection", or to a specific + * explicit QOP value. However, a value of 0 should always be + * interpreted by a GSSAPI implementation as a request for the + * default protection level. + */ +#define GSS_C_QOP_DEFAULT 0 + +#define GSS_KRB5_CONF_C_QOP_DES 0x0100 +#define GSS_KRB5_CONF_C_QOP_DES3_KD 0x0200 + +/* + * Expiration time of 2^32-1 seconds means infinite lifetime for a + * credential or security context + */ +#define GSS_C_INDEFINITE 0xfffffffful + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x01"}, + * corresponding to an object-identifier value of + * {iso(1) member-body(2) United States(840) mit(113554) + * infosys(1) gssapi(2) generic(1) user_name(1)}. The constant + * GSS_C_NT_USER_NAME should be initialized to point + * to that gss_OID_desc. + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_NT_USER_NAME; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x02"}, + * corresponding to an object-identifier value of + * {iso(1) member-body(2) United States(840) mit(113554) + * infosys(1) gssapi(2) generic(1) machine_uid_name(2)}. + * The constant GSS_C_NT_MACHINE_UID_NAME should be + * initialized to point to that gss_OID_desc. + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_NT_MACHINE_UID_NAME; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x03"}, + * corresponding to an object-identifier value of + * {iso(1) member-body(2) United States(840) mit(113554) + * infosys(1) gssapi(2) generic(1) string_uid_name(3)}. + * The constant GSS_C_NT_STRING_UID_NAME should be + * initialized to point to that gss_OID_desc. + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_NT_STRING_UID_NAME; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {6, (void *)"\x2b\x06\x01\x05\x06\x02"}, + * corresponding to an object-identifier value of + * {iso(1) org(3) dod(6) internet(1) security(5) + * nametypes(6) gss-host-based-services(2)). The constant + * GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point + * to that gss_OID_desc. This is a deprecated OID value, and + * implementations wishing to support hostbased-service names + * should instead use the GSS_C_NT_HOSTBASED_SERVICE OID, + * defined below, to identify such names; + * GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym + * for GSS_C_NT_HOSTBASED_SERVICE when presented as an input + * parameter, but should not be emitted by GSS-API + * implementations + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_NT_HOSTBASED_SERVICE_X; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x04"}, corresponding to an + * object-identifier value of {iso(1) member-body(2) + * Unites States(840) mit(113554) infosys(1) gssapi(2) + * generic(1) service_name(4)}. The constant + * GSS_C_NT_HOSTBASED_SERVICE should be initialized + * to point to that gss_OID_desc. + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_NT_HOSTBASED_SERVICE; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {6, (void *)"\x2b\x06\01\x05\x06\x03"}, + * corresponding to an object identifier value of + * {1(iso), 3(org), 6(dod), 1(internet), 5(security), + * 6(nametypes), 3(gss-anonymous-name)}. The constant + * and GSS_C_NT_ANONYMOUS should be initialized to point + * to that gss_OID_desc. + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_NT_ANONYMOUS; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {6, (void *)"\x2b\x06\x01\x05\x06\x04"}, + * corresponding to an object-identifier value of + * {1(iso), 3(org), 6(dod), 1(internet), 5(security), + * 6(nametypes), 4(gss-api-exported-name)}. The constant + * GSS_C_NT_EXPORT_NAME should be initialized to point + * to that gss_OID_desc. + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_NT_EXPORT_NAME; + +/* + * Digest mechanism + */ + +extern GSSAPI_LIB_VARIABLE gss_OID GSS_SASL_DIGEST_MD5_MECHANISM; + +/* + * NTLM mechanism + */ + +extern GSSAPI_LIB_VARIABLE gss_OID GSS_NTLM_MECHANISM; + +/* Major status codes */ + +#define GSS_S_COMPLETE 0 + +/* + * Some "helper" definitions to make the status code macros obvious. + */ +#define GSS_C_CALLING_ERROR_OFFSET 24 +#define GSS_C_ROUTINE_ERROR_OFFSET 16 +#define GSS_C_SUPPLEMENTARY_OFFSET 0 +#define GSS_C_CALLING_ERROR_MASK 0377ul +#define GSS_C_ROUTINE_ERROR_MASK 0377ul +#define GSS_C_SUPPLEMENTARY_MASK 0177777ul + +/* + * The macros that test status codes for error conditions. + * Note that the GSS_ERROR() macro has changed slightly from + * the V1 GSSAPI so that it now evaluates its argument + * only once. + */ +#define GSS_CALLING_ERROR(x) \ + (x & (GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET)) +#define GSS_ROUTINE_ERROR(x) \ + (x & (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET)) +#define GSS_SUPPLEMENTARY_INFO(x) \ + (x & (GSS_C_SUPPLEMENTARY_MASK << GSS_C_SUPPLEMENTARY_OFFSET)) +#define GSS_ERROR(x) \ + (x & ((GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET) | \ + (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET))) + +/* + * Now the actual status code definitions + */ + +/* + * Calling errors: + */ +#define GSS_S_CALL_INACCESSIBLE_READ \ + (1ul << GSS_C_CALLING_ERROR_OFFSET) +#define GSS_S_CALL_INACCESSIBLE_WRITE \ + (2ul << GSS_C_CALLING_ERROR_OFFSET) +#define GSS_S_CALL_BAD_STRUCTURE \ + (3ul << GSS_C_CALLING_ERROR_OFFSET) + +/* + * Routine errors: + */ +#define GSS_S_BAD_MECH (1ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_BAD_NAME (2ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_BAD_NAMETYPE (3ul << GSS_C_ROUTINE_ERROR_OFFSET) + +#define GSS_S_BAD_BINDINGS (4ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_BAD_STATUS (5ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_BAD_SIG (6ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_BAD_MIC GSS_S_BAD_SIG +#define GSS_S_NO_CRED (7ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_NO_CONTEXT (8ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_DEFECTIVE_TOKEN (9ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_DEFECTIVE_CREDENTIAL (10ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_CREDENTIALS_EXPIRED (11ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_CONTEXT_EXPIRED (12ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_FAILURE (13ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_BAD_QOP (14ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_UNAUTHORIZED (15ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_UNAVAILABLE (16ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_DUPLICATE_ELEMENT (17ul << GSS_C_ROUTINE_ERROR_OFFSET) +#define GSS_S_NAME_NOT_MN (18ul << GSS_C_ROUTINE_ERROR_OFFSET) + +/* + * Supplementary info bits: + */ +#define GSS_S_CONTINUE_NEEDED (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 0)) +#define GSS_S_DUPLICATE_TOKEN (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 1)) +#define GSS_S_OLD_TOKEN (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 2)) +#define GSS_S_UNSEQ_TOKEN (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 3)) +#define GSS_S_GAP_TOKEN (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 4)) + +/* + * Finally, function prototypes for the GSS-API routines. + */ + +OM_uint32 GSSAPI_LIB_FUNCTION gss_acquire_cred + (OM_uint32 * /*minor_status*/, + const gss_name_t /*desired_name*/, + OM_uint32 /*time_req*/, + const gss_OID_set /*desired_mechs*/, + gss_cred_usage_t /*cred_usage*/, + gss_cred_id_t * /*output_cred_handle*/, + gss_OID_set * /*actual_mechs*/, + OM_uint32 * /*time_rec*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_release_cred + (OM_uint32 * /*minor_status*/, + gss_cred_id_t * /*cred_handle*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_init_sec_context + (OM_uint32 * /*minor_status*/, + const gss_cred_id_t /*initiator_cred_handle*/, + gss_ctx_id_t * /*context_handle*/, + const gss_name_t /*target_name*/, + const gss_OID /*mech_type*/, + OM_uint32 /*req_flags*/, + OM_uint32 /*time_req*/, + const gss_channel_bindings_t /*input_chan_bindings*/, + const gss_buffer_t /*input_token*/, + gss_OID * /*actual_mech_type*/, + gss_buffer_t /*output_token*/, + OM_uint32 * /*ret_flags*/, + OM_uint32 * /*time_rec*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_accept_sec_context + (OM_uint32 * /*minor_status*/, + gss_ctx_id_t * /*context_handle*/, + const gss_cred_id_t /*acceptor_cred_handle*/, + const gss_buffer_t /*input_token_buffer*/, + const gss_channel_bindings_t /*input_chan_bindings*/, + gss_name_t * /*src_name*/, + gss_OID * /*mech_type*/, + gss_buffer_t /*output_token*/, + OM_uint32 * /*ret_flags*/, + OM_uint32 * /*time_rec*/, + gss_cred_id_t * /*delegated_cred_handle*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_process_context_token + (OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + const gss_buffer_t /*token_buffer*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_delete_sec_context + (OM_uint32 * /*minor_status*/, + gss_ctx_id_t * /*context_handle*/, + gss_buffer_t /*output_token*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_context_time + (OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + OM_uint32 * /*time_rec*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_get_mic + (OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + gss_qop_t /*qop_req*/, + const gss_buffer_t /*message_buffer*/, + gss_buffer_t /*message_token*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_verify_mic + (OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + const gss_buffer_t /*message_buffer*/, + const gss_buffer_t /*token_buffer*/, + gss_qop_t * /*qop_state*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_wrap + (OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + int /*conf_req_flag*/, + gss_qop_t /*qop_req*/, + const gss_buffer_t /*input_message_buffer*/, + int * /*conf_state*/, + gss_buffer_t /*output_message_buffer*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_unwrap + (OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + const gss_buffer_t /*input_message_buffer*/, + gss_buffer_t /*output_message_buffer*/, + int * /*conf_state*/, + gss_qop_t * /*qop_state*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_display_status + (OM_uint32 * /*minor_status*/, + OM_uint32 /*status_value*/, + int /*status_type*/, + const gss_OID /*mech_type*/, + OM_uint32 * /*message_context*/, + gss_buffer_t /*status_string*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_indicate_mechs + (OM_uint32 * /*minor_status*/, + gss_OID_set * /*mech_set*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_compare_name + (OM_uint32 * /*minor_status*/, + const gss_name_t /*name1*/, + const gss_name_t /*name2*/, + int * /*name_equal*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_display_name + (OM_uint32 * /*minor_status*/, + const gss_name_t /*input_name*/, + gss_buffer_t /*output_name_buffer*/, + gss_OID * /*output_name_type*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_import_name + (OM_uint32 * /*minor_status*/, + const gss_buffer_t /*input_name_buffer*/, + const gss_OID /*input_name_type*/, + gss_name_t * /*output_name*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_export_name + (OM_uint32 * /*minor_status*/, + const gss_name_t /*input_name*/, + gss_buffer_t /*exported_name*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_release_name + (OM_uint32 * /*minor_status*/, + gss_name_t * /*input_name*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_release_buffer + (OM_uint32 * /*minor_status*/, + gss_buffer_t /*buffer*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_release_oid_set + (OM_uint32 * /*minor_status*/, + gss_OID_set * /*set*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_inquire_cred + (OM_uint32 * /*minor_status*/, + const gss_cred_id_t /*cred_handle*/, + gss_name_t * /*name*/, + OM_uint32 * /*lifetime*/, + gss_cred_usage_t * /*cred_usage*/, + gss_OID_set * /*mechanisms*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_inquire_context ( + OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + gss_name_t * /*src_name*/, + gss_name_t * /*targ_name*/, + OM_uint32 * /*lifetime_rec*/, + gss_OID * /*mech_type*/, + OM_uint32 * /*ctx_flags*/, + int * /*locally_initiated*/, + int * /*open_context*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_wrap_size_limit ( + OM_uint32 * /*minor_status*/, + const gss_ctx_id_t /*context_handle*/, + int /*conf_req_flag*/, + gss_qop_t /*qop_req*/, + OM_uint32 /*req_output_size*/, + OM_uint32 * /*max_input_size*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_add_cred ( + OM_uint32 * /*minor_status*/, + const gss_cred_id_t /*input_cred_handle*/, + const gss_name_t /*desired_name*/, + const gss_OID /*desired_mech*/, + gss_cred_usage_t /*cred_usage*/, + OM_uint32 /*initiator_time_req*/, + OM_uint32 /*acceptor_time_req*/, + gss_cred_id_t * /*output_cred_handle*/, + gss_OID_set * /*actual_mechs*/, + OM_uint32 * /*initiator_time_rec*/, + OM_uint32 * /*acceptor_time_rec*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_inquire_cred_by_mech ( + OM_uint32 * /*minor_status*/, + const gss_cred_id_t /*cred_handle*/, + const gss_OID /*mech_type*/, + gss_name_t * /*name*/, + OM_uint32 * /*initiator_lifetime*/, + OM_uint32 * /*acceptor_lifetime*/, + gss_cred_usage_t * /*cred_usage*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_export_sec_context ( + OM_uint32 * /*minor_status*/, + gss_ctx_id_t * /*context_handle*/, + gss_buffer_t /*interprocess_token*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_import_sec_context ( + OM_uint32 * /*minor_status*/, + const gss_buffer_t /*interprocess_token*/, + gss_ctx_id_t * /*context_handle*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_create_empty_oid_set ( + OM_uint32 * /*minor_status*/, + gss_OID_set * /*oid_set*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_add_oid_set_member ( + OM_uint32 * /*minor_status*/, + const gss_OID /*member_oid*/, + gss_OID_set * /*oid_set*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_test_oid_set_member ( + OM_uint32 * /*minor_status*/, + const gss_OID /*member*/, + const gss_OID_set /*set*/, + int * /*present*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_inquire_names_for_mech ( + OM_uint32 * /*minor_status*/, + const gss_OID /*mechanism*/, + gss_OID_set * /*name_types*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_inquire_mechs_for_name ( + OM_uint32 * /*minor_status*/, + const gss_name_t /*input_name*/, + gss_OID_set * /*mech_types*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_canonicalize_name ( + OM_uint32 * /*minor_status*/, + const gss_name_t /*input_name*/, + const gss_OID /*mech_type*/, + gss_name_t * /*output_name*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_duplicate_name ( + OM_uint32 * /*minor_status*/, + const gss_name_t /*src_name*/, + gss_name_t * /*dest_name*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_duplicate_oid ( + OM_uint32 * /* minor_status */, + gss_OID /* src_oid */, + gss_OID * /* dest_oid */ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_oid + (OM_uint32 * /*minor_status*/, + gss_OID * /* oid */ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_oid_to_str( + OM_uint32 * /*minor_status*/, + gss_OID /* oid */, + gss_buffer_t /* str */ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_sec_context_by_oid( + OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set + ); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_set_sec_context_option (OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + const gss_OID desired_object, + const gss_buffer_t value); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_set_cred_option (OM_uint32 *minor_status, + gss_cred_id_t *cred_handle, + const gss_OID object, + const gss_buffer_t value); + +int GSSAPI_LIB_FUNCTION +gss_oid_equal(const gss_OID a, const gss_OID b); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_create_empty_buffer_set + (OM_uint32 * minor_status, + gss_buffer_set_t *buffer_set); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_add_buffer_set_member + (OM_uint32 * minor_status, + const gss_buffer_t member_buffer, + gss_buffer_set_t *buffer_set); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_buffer_set + (OM_uint32 * minor_status, + gss_buffer_set_t *buffer_set); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_cred_by_oid(OM_uint32 *minor_status, + const gss_cred_id_t cred_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set); + +/* + * RFC 4401 + */ + +#define GSS_C_PRF_KEY_FULL 0 +#define GSS_C_PRF_KEY_PARTIAL 1 + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_pseudo_random + (OM_uint32 *minor_status, + gss_ctx_id_t context, + int prf_key, + const gss_buffer_t prf_in, + ssize_t desired_output_len, + gss_buffer_t prf_out + ); + +/* + * The following routines are obsolete variants of gss_get_mic, + * gss_verify_mic, gss_wrap and gss_unwrap. They should be + * provided by GSSAPI V2 implementations for backwards + * compatibility with V1 applications. Distinct entrypoints + * (as opposed to #defines) should be provided, both to allow + * GSSAPI V1 applications to link against GSSAPI V2 implementations, + * and to retain the slight parameter type differences between the + * obsolete versions of these routines and their current forms. + */ + +OM_uint32 GSSAPI_LIB_FUNCTION gss_sign + (OM_uint32 * /*minor_status*/, + gss_ctx_id_t /*context_handle*/, + int /*qop_req*/, + gss_buffer_t /*message_buffer*/, + gss_buffer_t /*message_token*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_verify + (OM_uint32 * /*minor_status*/, + gss_ctx_id_t /*context_handle*/, + gss_buffer_t /*message_buffer*/, + gss_buffer_t /*token_buffer*/, + int * /*qop_state*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_seal + (OM_uint32 * /*minor_status*/, + gss_ctx_id_t /*context_handle*/, + int /*conf_req_flag*/, + int /*qop_req*/, + gss_buffer_t /*input_message_buffer*/, + int * /*conf_state*/, + gss_buffer_t /*output_message_buffer*/ + ); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_unseal + (OM_uint32 * /*minor_status*/, + gss_ctx_id_t /*context_handle*/, + gss_buffer_t /*input_message_buffer*/, + gss_buffer_t /*output_message_buffer*/, + int * /*conf_state*/, + int * /*qop_state*/ + ); + +/* + * + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_sec_context_by_oid (OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_encapsulate_token(gss_buffer_t /* input_token */, + gss_OID /* oid */, + gss_buffer_t /* output_token */); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_decapsulate_token(gss_buffer_t /* input_token */, + gss_OID /* oid */, + gss_buffer_t /* output_token */); + + + +#ifdef __cplusplus +} +#endif + +#include <gssapi/gssapi_krb5.h> +#include <gssapi/gssapi_spnego.h> + +#endif /* GSSAPI_GSSAPI_H_ */ diff --git a/source4/heimdal/lib/gssapi/gssapi/gssapi_krb5.h b/source4/heimdal/lib/gssapi/gssapi/gssapi_krb5.h new file mode 100644 index 0000000000..bab719019d --- /dev/null +++ b/source4/heimdal/lib/gssapi/gssapi/gssapi_krb5.h @@ -0,0 +1,232 @@ +/* + * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#ifndef GSSAPI_KRB5_H_ +#define GSSAPI_KRB5_H_ + +#include <gssapi/gssapi.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This is for kerberos5 names. + */ + +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_NT_PRINCIPAL_NAME; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_NT_USER_NAME; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_NT_MACHINE_UID_NAME; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_NT_STRING_UID_NAME; + +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_MECHANISM; + +/* for compatibility with MIT api */ + +#define gss_mech_krb5 GSS_KRB5_MECHANISM +#define gss_krb5_nt_general_name GSS_KRB5_NT_PRINCIPAL_NAME + +/* Extensions set contexts options */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_COPY_CCACHE_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_COMPAT_DES3_MIC_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_REGISTER_ACCEPTOR_IDENTITY_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_SET_DNS_CANONICALIZE_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_SEND_TO_KDC_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_SET_DEFAULT_REALM_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_CCACHE_NAME_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_SET_TIME_OFFSET_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_GET_TIME_OFFSET_X; +/* Extensions inquire context */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_GET_TKT_FLAGS_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_C_PEER_HAS_UPDATED_SPNEGO; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_EXPORT_LUCID_CONTEXT_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_EXPORT_LUCID_CONTEXT_V1_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_GET_SUBKEY_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_GET_INITIATOR_SUBKEY_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_GET_ACCEPTOR_SUBKEY_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_GET_AUTHTIME_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_GET_SERVICE_KEYBLOCK_X; +/* Extensions creds */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_IMPORT_CRED_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X; +extern GSSAPI_LIB_VARIABLE gss_OID GSS_KRB5_CRED_NO_CI_FLAGS_X; + +/* + * kerberos mechanism specific functions + */ + +struct krb5_keytab_data; +struct krb5_ccache_data; +struct Principal; + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_ccache_name(OM_uint32 * /*minor_status*/, + const char * /*name */, + const char ** /*out_name */); + +OM_uint32 GSSAPI_LIB_FUNCTION gsskrb5_register_acceptor_identity + (const char */*identity*/); + +OM_uint32 GSSAPI_LIB_FUNCTION krb5_gss_register_acceptor_identity + (const char */*identity*/); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_krb5_copy_ccache + (OM_uint32 */*minor*/, + gss_cred_id_t /*cred*/, + struct krb5_ccache_data */*out*/); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_import_cred(OM_uint32 */*minor*/, + struct krb5_ccache_data * /*in*/, + struct Principal * /*keytab_principal*/, + struct krb5_keytab_data * /*keytab*/, + gss_cred_id_t */*out*/); + +OM_uint32 GSSAPI_LIB_FUNCTION gss_krb5_get_tkt_flags + (OM_uint32 */*minor*/, + gss_ctx_id_t /*context_handle*/, + OM_uint32 */*tkt_flags*/); + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_extract_authz_data_from_sec_context + (OM_uint32 * /*minor_status*/, + gss_ctx_id_t /*context_handle*/, + int /*ad_type*/, + gss_buffer_t /*ad_data*/); + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_dns_canonicalize(int); + +struct gsskrb5_send_to_kdc { + void *func; + void *ptr; +}; + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_send_to_kdc(struct gsskrb5_send_to_kdc *); + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_default_realm(const char *); + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_extract_authtime_from_sec_context(OM_uint32 *, gss_ctx_id_t, time_t *); + +struct EncryptionKey; + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_extract_service_keyblock(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + struct EncryptionKey **out); +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_get_initiator_subkey(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + struct EncryptionKey **out); +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_get_subkey(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + struct EncryptionKey **out); + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_time_offset(int); + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_get_time_offset(int *); + +/* + * Lucid - NFSv4 interface to GSS-API KRB5 to expose key material to + * do GSS content token handling in-kernel. + */ + +typedef struct gss_krb5_lucid_key { + OM_uint32 type; + OM_uint32 length; + void * data; +} gss_krb5_lucid_key_t; + +typedef struct gss_krb5_rfc1964_keydata { + OM_uint32 sign_alg; + OM_uint32 seal_alg; + gss_krb5_lucid_key_t ctx_key; +} gss_krb5_rfc1964_keydata_t; + +typedef struct gss_krb5_cfx_keydata { + OM_uint32 have_acceptor_subkey; + gss_krb5_lucid_key_t ctx_key; + gss_krb5_lucid_key_t acceptor_subkey; +} gss_krb5_cfx_keydata_t; + +typedef struct gss_krb5_lucid_context_v1 { + OM_uint32 version; + OM_uint32 initiate; + OM_uint32 endtime; + OM_uint64 send_seq; + OM_uint64 recv_seq; + OM_uint32 protocol; + gss_krb5_rfc1964_keydata_t rfc1964_kd; + gss_krb5_cfx_keydata_t cfx_kd; +} gss_krb5_lucid_context_v1_t; + +typedef struct gss_krb5_lucid_context_version { + OM_uint32 version; /* Structure version number */ +} gss_krb5_lucid_context_version_t; + +/* + * Function declarations + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_export_lucid_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + OM_uint32 version, + void **kctx); + + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_free_lucid_sec_context(OM_uint32 *minor_status, + void *kctx); + + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_set_allowable_enctypes(OM_uint32 *minor_status, + gss_cred_id_t cred, + OM_uint32 num_enctypes, + int32_t *enctypes); + +#ifdef __cplusplus +} +#endif + +#endif /* GSSAPI_SPNEGO_H_ */ diff --git a/source4/heimdal/lib/gssapi/gssapi/gssapi_spnego.h b/source4/heimdal/lib/gssapi/gssapi/gssapi_spnego.h new file mode 100644 index 0000000000..6587acd7d0 --- /dev/null +++ b/source4/heimdal/lib/gssapi/gssapi/gssapi_spnego.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#ifndef GSSAPI_SPNEGO_H_ +#define GSSAPI_SPNEGO_H_ + +#include <gssapi.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * RFC2478, SPNEGO: + * The security mechanism of the initial + * negotiation token is identified by the Object Identifier + * iso.org.dod.internet.security.mechanism.snego (1.3.6.1.5.5.2). + */ +extern GSSAPI_LIB_VARIABLE gss_OID GSS_SPNEGO_MECHANISM; +#define gss_mech_spnego GSS_SPNEGO_MECHANISM + +#ifdef __cplusplus +} +#endif + +#endif /* GSSAPI_SPNEGO_H_ */ diff --git a/source4/heimdal/lib/gssapi/gssapi_mech.h b/source4/heimdal/lib/gssapi/gssapi_mech.h new file mode 100644 index 0000000000..b360de13fc --- /dev/null +++ b/source4/heimdal/lib/gssapi/gssapi_mech.h @@ -0,0 +1,361 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/mech_switch.h,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#ifndef GSSAPI_MECH_H +#define GSSAPI_MECH_H 1 + +#include <gssapi.h> + +typedef OM_uint32 _gss_acquire_cred_t + (OM_uint32 *, /* minor_status */ + const gss_name_t, /* desired_name */ + OM_uint32, /* time_req */ + const gss_OID_set, /* desired_mechs */ + gss_cred_usage_t, /* cred_usage */ + gss_cred_id_t *, /* output_cred_handle */ + gss_OID_set *, /* actual_mechs */ + OM_uint32 * /* time_rec */ + ); + +typedef OM_uint32 _gss_release_cred_t + (OM_uint32 *, /* minor_status */ + gss_cred_id_t * /* cred_handle */ + ); + +typedef OM_uint32 _gss_init_sec_context_t + (OM_uint32 *, /* minor_status */ + const gss_cred_id_t, /* initiator_cred_handle */ + gss_ctx_id_t *, /* context_handle */ + const gss_name_t, /* target_name */ + const gss_OID, /* mech_type */ + OM_uint32, /* req_flags */ + OM_uint32, /* time_req */ + const gss_channel_bindings_t, + /* input_chan_bindings */ + const gss_buffer_t, /* input_token */ + gss_OID *, /* actual_mech_type */ + gss_buffer_t, /* output_token */ + OM_uint32 *, /* ret_flags */ + OM_uint32 * /* time_rec */ + ); + +typedef OM_uint32 _gss_accept_sec_context_t + (OM_uint32 *, /* minor_status */ + gss_ctx_id_t *, /* context_handle */ + const gss_cred_id_t, /* acceptor_cred_handle */ + const gss_buffer_t, /* input_token_buffer */ + const gss_channel_bindings_t, + /* input_chan_bindings */ + gss_name_t *, /* src_name */ + gss_OID *, /* mech_type */ + gss_buffer_t, /* output_token */ + OM_uint32 *, /* ret_flags */ + OM_uint32 *, /* time_rec */ + gss_cred_id_t * /* delegated_cred_handle */ + ); + +typedef OM_uint32 _gss_process_context_token_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + const gss_buffer_t /* token_buffer */ + ); + +typedef OM_uint32 _gss_delete_sec_context_t + (OM_uint32 *, /* minor_status */ + gss_ctx_id_t *, /* context_handle */ + gss_buffer_t /* output_token */ + ); + +typedef OM_uint32 _gss_context_time_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + OM_uint32 * /* time_rec */ + ); + +typedef OM_uint32 _gss_get_mic_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + gss_qop_t, /* qop_req */ + const gss_buffer_t, /* message_buffer */ + gss_buffer_t /* message_token */ + ); + +typedef OM_uint32 _gss_verify_mic_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + const gss_buffer_t, /* message_buffer */ + const gss_buffer_t, /* token_buffer */ + gss_qop_t * /* qop_state */ + ); + +typedef OM_uint32 _gss_wrap_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + int, /* conf_req_flag */ + gss_qop_t, /* qop_req */ + const gss_buffer_t, /* input_message_buffer */ + int *, /* conf_state */ + gss_buffer_t /* output_message_buffer */ + ); + +typedef OM_uint32 _gss_unwrap_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + const gss_buffer_t, /* input_message_buffer */ + gss_buffer_t, /* output_message_buffer */ + int *, /* conf_state */ + gss_qop_t * /* qop_state */ + ); + +typedef OM_uint32 _gss_display_status_t + (OM_uint32 *, /* minor_status */ + OM_uint32, /* status_value */ + int, /* status_type */ + const gss_OID, /* mech_type */ + OM_uint32 *, /* message_context */ + gss_buffer_t /* status_string */ + ); + +typedef OM_uint32 _gss_indicate_mechs_t + (OM_uint32 *, /* minor_status */ + gss_OID_set * /* mech_set */ + ); + +typedef OM_uint32 _gss_compare_name_t + (OM_uint32 *, /* minor_status */ + const gss_name_t, /* name1 */ + const gss_name_t, /* name2 */ + int * /* name_equal */ + ); + +typedef OM_uint32 _gss_display_name_t + (OM_uint32 *, /* minor_status */ + const gss_name_t, /* input_name */ + gss_buffer_t, /* output_name_buffer */ + gss_OID * /* output_name_type */ + ); + +typedef OM_uint32 _gss_import_name_t + (OM_uint32 *, /* minor_status */ + const gss_buffer_t, /* input_name_buffer */ + const gss_OID, /* input_name_type */ + gss_name_t * /* output_name */ + ); + +typedef OM_uint32 _gss_export_name_t + (OM_uint32 *, /* minor_status */ + const gss_name_t, /* input_name */ + gss_buffer_t /* exported_name */ + ); + +typedef OM_uint32 _gss_release_name_t + (OM_uint32 *, /* minor_status */ + gss_name_t * /* input_name */ + ); + +typedef OM_uint32 _gss_inquire_cred_t + (OM_uint32 *, /* minor_status */ + const gss_cred_id_t, /* cred_handle */ + gss_name_t *, /* name */ + OM_uint32 *, /* lifetime */ + gss_cred_usage_t *, /* cred_usage */ + gss_OID_set * /* mechanisms */ + ); + +typedef OM_uint32 _gss_inquire_context_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + gss_name_t *, /* src_name */ + gss_name_t *, /* targ_name */ + OM_uint32 *, /* lifetime_rec */ + gss_OID *, /* mech_type */ + OM_uint32 *, /* ctx_flags */ + int *, /* locally_initiated */ + int * /* open */ + ); + +typedef OM_uint32 _gss_wrap_size_limit_t + (OM_uint32 *, /* minor_status */ + const gss_ctx_id_t, /* context_handle */ + int, /* conf_req_flag */ + gss_qop_t, /* qop_req */ + OM_uint32, /* req_output_size */ + OM_uint32 * /* max_input_size */ + ); + +typedef OM_uint32 _gss_add_cred_t ( + OM_uint32 *, /* minor_status */ + const gss_cred_id_t, /* input_cred_handle */ + const gss_name_t, /* desired_name */ + const gss_OID, /* desired_mech */ + gss_cred_usage_t, /* cred_usage */ + OM_uint32, /* initiator_time_req */ + OM_uint32, /* acceptor_time_req */ + gss_cred_id_t *, /* output_cred_handle */ + gss_OID_set *, /* actual_mechs */ + OM_uint32 *, /* initiator_time_rec */ + OM_uint32 * /* acceptor_time_rec */ + ); + +typedef OM_uint32 _gss_inquire_cred_by_mech_t ( + OM_uint32 *, /* minor_status */ + const gss_cred_id_t, /* cred_handle */ + const gss_OID, /* mech_type */ + gss_name_t *, /* name */ + OM_uint32 *, /* initiator_lifetime */ + OM_uint32 *, /* acceptor_lifetime */ + gss_cred_usage_t * /* cred_usage */ + ); + +typedef OM_uint32 _gss_export_sec_context_t ( + OM_uint32 *, /* minor_status */ + gss_ctx_id_t *, /* context_handle */ + gss_buffer_t /* interprocess_token */ + ); + +typedef OM_uint32 _gss_import_sec_context_t ( + OM_uint32 *, /* minor_status */ + const gss_buffer_t, /* interprocess_token */ + gss_ctx_id_t * /* context_handle */ + ); + +typedef OM_uint32 _gss_inquire_names_for_mech_t ( + OM_uint32 *, /* minor_status */ + const gss_OID, /* mechanism */ + gss_OID_set * /* name_types */ + ); + +typedef OM_uint32 _gss_inquire_mechs_for_name_t ( + OM_uint32 *, /* minor_status */ + const gss_name_t, /* input_name */ + gss_OID_set * /* mech_types */ + ); + +typedef OM_uint32 _gss_canonicalize_name_t ( + OM_uint32 *, /* minor_status */ + const gss_name_t, /* input_name */ + const gss_OID, /* mech_type */ + gss_name_t * /* output_name */ + ); + +typedef OM_uint32 _gss_duplicate_name_t ( + OM_uint32 *, /* minor_status */ + const gss_name_t, /* src_name */ + gss_name_t * /* dest_name */ + ); + +typedef OM_uint32 _gss_inquire_sec_context_by_oid ( + OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set + ); + +typedef OM_uint32 _gss_inquire_cred_by_oid ( + OM_uint32 *minor_status, + const gss_cred_id_t cred, + const gss_OID desired_object, + gss_buffer_set_t *data_set + ); + +typedef OM_uint32 _gss_set_sec_context_option ( + OM_uint32 *minor_status, + gss_ctx_id_t *cred_handle, + const gss_OID desired_object, + const gss_buffer_t value + ); + +typedef OM_uint32 _gss_set_cred_option ( + OM_uint32 *minor_status, + gss_cred_id_t *cred_handle, + const gss_OID desired_object, + const gss_buffer_t value + ); + + +typedef OM_uint32 _gss_pseudo_random( + OM_uint32 *minor_status, + gss_ctx_id_t context, + int prf_key, + const gss_buffer_t prf_in, + ssize_t desired_output_len, + gss_buffer_t prf_out + ); + +#define GMI_VERSION 1 + +typedef struct gssapi_mech_interface_desc { + unsigned gm_version; + const char *gm_name; + gss_OID_desc gm_mech_oid; + _gss_acquire_cred_t *gm_acquire_cred; + _gss_release_cred_t *gm_release_cred; + _gss_init_sec_context_t *gm_init_sec_context; + _gss_accept_sec_context_t *gm_accept_sec_context; + _gss_process_context_token_t *gm_process_context_token; + _gss_delete_sec_context_t *gm_delete_sec_context; + _gss_context_time_t *gm_context_time; + _gss_get_mic_t *gm_get_mic; + _gss_verify_mic_t *gm_verify_mic; + _gss_wrap_t *gm_wrap; + _gss_unwrap_t *gm_unwrap; + _gss_display_status_t *gm_display_status; + _gss_indicate_mechs_t *gm_indicate_mechs; + _gss_compare_name_t *gm_compare_name; + _gss_display_name_t *gm_display_name; + _gss_import_name_t *gm_import_name; + _gss_export_name_t *gm_export_name; + _gss_release_name_t *gm_release_name; + _gss_inquire_cred_t *gm_inquire_cred; + _gss_inquire_context_t *gm_inquire_context; + _gss_wrap_size_limit_t *gm_wrap_size_limit; + _gss_add_cred_t *gm_add_cred; + _gss_inquire_cred_by_mech_t *gm_inquire_cred_by_mech; + _gss_export_sec_context_t *gm_export_sec_context; + _gss_import_sec_context_t *gm_import_sec_context; + _gss_inquire_names_for_mech_t *gm_inquire_names_for_mech; + _gss_inquire_mechs_for_name_t *gm_inquire_mechs_for_name; + _gss_canonicalize_name_t *gm_canonicalize_name; + _gss_duplicate_name_t *gm_duplicate_name; + _gss_inquire_sec_context_by_oid *gm_inquire_sec_context_by_oid; + _gss_inquire_cred_by_oid *gm_inquire_cred_by_oid; + _gss_set_sec_context_option *gm_set_sec_context_option; + _gss_set_cred_option *gm_set_cred_option; + _gss_pseudo_random *gm_pseudo_random; +} gssapi_mech_interface_desc, *gssapi_mech_interface; + +gssapi_mech_interface +__gss_get_mechanism(gss_OID /* oid */); + +gssapi_mech_interface __gss_spnego_initialize(void); +gssapi_mech_interface __gss_krb5_initialize(void); +gssapi_mech_interface __gss_ntlm_initialize(void); + +void gss_mg_collect_error(gss_OID, OM_uint32, OM_uint32); + +#endif /* GSSAPI_MECH_H */ diff --git a/source4/heimdal/lib/gssapi/krb5/8003.c b/source4/heimdal/lib/gssapi/krb5/8003.c new file mode 100644 index 0000000000..a9b93d32a6 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/8003.c @@ -0,0 +1,248 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +krb5_error_code +_gsskrb5_encode_om_uint32(OM_uint32 n, u_char *p) +{ + p[0] = (n >> 0) & 0xFF; + p[1] = (n >> 8) & 0xFF; + p[2] = (n >> 16) & 0xFF; + p[3] = (n >> 24) & 0xFF; + return 0; +} + +krb5_error_code +_gsskrb5_encode_be_om_uint32(OM_uint32 n, u_char *p) +{ + p[0] = (n >> 24) & 0xFF; + p[1] = (n >> 16) & 0xFF; + p[2] = (n >> 8) & 0xFF; + p[3] = (n >> 0) & 0xFF; + return 0; +} + +krb5_error_code +_gsskrb5_decode_om_uint32(const void *ptr, OM_uint32 *n) +{ + const u_char *p = ptr; + *n = (p[0] << 0) | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); + return 0; +} + +krb5_error_code +_gsskrb5_decode_be_om_uint32(const void *ptr, OM_uint32 *n) +{ + const u_char *p = ptr; + *n = (p[0] <<24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0); + return 0; +} + +static krb5_error_code +hash_input_chan_bindings (const gss_channel_bindings_t b, + u_char *p) +{ + u_char num[4]; + MD5_CTX md5; + + MD5_Init(&md5); + _gsskrb5_encode_om_uint32 (b->initiator_addrtype, num); + MD5_Update (&md5, num, sizeof(num)); + _gsskrb5_encode_om_uint32 (b->initiator_address.length, num); + MD5_Update (&md5, num, sizeof(num)); + if (b->initiator_address.length) + MD5_Update (&md5, + b->initiator_address.value, + b->initiator_address.length); + _gsskrb5_encode_om_uint32 (b->acceptor_addrtype, num); + MD5_Update (&md5, num, sizeof(num)); + _gsskrb5_encode_om_uint32 (b->acceptor_address.length, num); + MD5_Update (&md5, num, sizeof(num)); + if (b->acceptor_address.length) + MD5_Update (&md5, + b->acceptor_address.value, + b->acceptor_address.length); + _gsskrb5_encode_om_uint32 (b->application_data.length, num); + MD5_Update (&md5, num, sizeof(num)); + if (b->application_data.length) + MD5_Update (&md5, + b->application_data.value, + b->application_data.length); + MD5_Final (p, &md5); + return 0; +} + +/* + * create a checksum over the chanel bindings in + * `input_chan_bindings', `flags' and `fwd_data' and return it in + * `result' + */ + +OM_uint32 +_gsskrb5_create_8003_checksum ( + OM_uint32 *minor_status, + const gss_channel_bindings_t input_chan_bindings, + OM_uint32 flags, + const krb5_data *fwd_data, + Checksum *result) +{ + u_char *p; + + /* + * see rfc1964 (section 1.1.1 (Initial Token), and the checksum value + * field's format) */ + result->cksumtype = CKSUMTYPE_GSSAPI; + if (fwd_data->length > 0 && (flags & GSS_C_DELEG_FLAG)) + result->checksum.length = 24 + 4 + fwd_data->length; + else + result->checksum.length = 24; + result->checksum.data = malloc (result->checksum.length); + if (result->checksum.data == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = result->checksum.data; + _gsskrb5_encode_om_uint32 (16, p); + p += 4; + if (input_chan_bindings == GSS_C_NO_CHANNEL_BINDINGS) { + memset (p, 0, 16); + } else { + hash_input_chan_bindings (input_chan_bindings, p); + } + p += 16; + _gsskrb5_encode_om_uint32 (flags, p); + p += 4; + + if (fwd_data->length > 0 && (flags & GSS_C_DELEG_FLAG)) { + + *p++ = (1 >> 0) & 0xFF; /* DlgOpt */ /* == 1 */ + *p++ = (1 >> 8) & 0xFF; /* DlgOpt */ /* == 0 */ + *p++ = (fwd_data->length >> 0) & 0xFF; /* Dlgth */ + *p++ = (fwd_data->length >> 8) & 0xFF; /* Dlgth */ + memcpy(p, (unsigned char *) fwd_data->data, fwd_data->length); + + p += fwd_data->length; + } + + return GSS_S_COMPLETE; +} + +/* + * verify the checksum in `cksum' over `input_chan_bindings' + * returning `flags' and `fwd_data' + */ + +OM_uint32 +_gsskrb5_verify_8003_checksum( + OM_uint32 *minor_status, + const gss_channel_bindings_t input_chan_bindings, + const Checksum *cksum, + OM_uint32 *flags, + krb5_data *fwd_data) +{ + unsigned char hash[16]; + unsigned char *p; + OM_uint32 length; + int DlgOpt; + static unsigned char zeros[16]; + + if (cksum == NULL) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + + /* XXX should handle checksums > 24 bytes */ + if(cksum->cksumtype != CKSUMTYPE_GSSAPI || cksum->checksum.length < 24) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + + p = cksum->checksum.data; + _gsskrb5_decode_om_uint32(p, &length); + if(length != sizeof(hash)) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + + p += 4; + + if (input_chan_bindings != GSS_C_NO_CHANNEL_BINDINGS + && memcmp(p, zeros, sizeof(zeros)) != 0) { + if(hash_input_chan_bindings(input_chan_bindings, hash) != 0) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + if(memcmp(hash, p, sizeof(hash)) != 0) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + } + + p += sizeof(hash); + + _gsskrb5_decode_om_uint32(p, flags); + p += 4; + + if (cksum->checksum.length > 24 && (*flags & GSS_C_DELEG_FLAG)) { + if(cksum->checksum.length < 28) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + + DlgOpt = (p[0] << 0) | (p[1] << 8); + p += 2; + if (DlgOpt != 1) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + + fwd_data->length = (p[0] << 0) | (p[1] << 8); + p += 2; + if(cksum->checksum.length < 28 + fwd_data->length) { + *minor_status = 0; + return GSS_S_BAD_BINDINGS; + } + fwd_data->data = malloc(fwd_data->length); + if (fwd_data->data == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy(fwd_data->data, p, fwd_data->length); + } + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/accept_sec_context.c b/source4/heimdal/lib/gssapi/krb5/accept_sec_context.c new file mode 100644 index 0000000000..84110b7a82 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/accept_sec_context.c @@ -0,0 +1,888 @@ +/* + * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +HEIMDAL_MUTEX gssapi_keytab_mutex = HEIMDAL_MUTEX_INITIALIZER; +krb5_keytab _gsskrb5_keytab; + +OM_uint32 +_gsskrb5_register_acceptor_identity (const char *identity) +{ + krb5_context context; + krb5_error_code ret; + + ret = _gsskrb5_init(&context); + if(ret) + return GSS_S_FAILURE; + + HEIMDAL_MUTEX_lock(&gssapi_keytab_mutex); + + if(_gsskrb5_keytab != NULL) { + krb5_kt_close(context, _gsskrb5_keytab); + _gsskrb5_keytab = NULL; + } + if (identity == NULL) { + ret = krb5_kt_default(context, &_gsskrb5_keytab); + } else { + char *p; + + asprintf(&p, "FILE:%s", identity); + if(p == NULL) { + HEIMDAL_MUTEX_unlock(&gssapi_keytab_mutex); + return GSS_S_FAILURE; + } + ret = krb5_kt_resolve(context, p, &_gsskrb5_keytab); + free(p); + } + HEIMDAL_MUTEX_unlock(&gssapi_keytab_mutex); + if(ret) + return GSS_S_FAILURE; + return GSS_S_COMPLETE; +} + +void +_gsskrb5i_is_cfx(gsskrb5_ctx ctx, int *is_cfx) +{ + krb5_keyblock *key; + int acceptor = (ctx->more_flags & LOCAL) == 0; + + *is_cfx = 0; + + if (acceptor) { + if (ctx->auth_context->local_subkey) + key = ctx->auth_context->local_subkey; + else + key = ctx->auth_context->remote_subkey; + } else { + if (ctx->auth_context->remote_subkey) + key = ctx->auth_context->remote_subkey; + else + key = ctx->auth_context->local_subkey; + } + if (key == NULL) + key = ctx->auth_context->keyblock; + + if (key == NULL) + return; + + switch (key->keytype) { + case ETYPE_DES_CBC_CRC: + case ETYPE_DES_CBC_MD4: + case ETYPE_DES_CBC_MD5: + case ETYPE_DES3_CBC_MD5: + case ETYPE_DES3_CBC_SHA1: + case ETYPE_ARCFOUR_HMAC_MD5: + case ETYPE_ARCFOUR_HMAC_MD5_56: + break; + default : + *is_cfx = 1; + if ((acceptor && ctx->auth_context->local_subkey) || + (!acceptor && ctx->auth_context->remote_subkey)) + ctx->more_flags |= ACCEPTOR_SUBKEY; + break; + } +} + + +static OM_uint32 +gsskrb5_accept_delegated_token +(OM_uint32 * minor_status, + gsskrb5_ctx ctx, + krb5_context context, + gss_cred_id_t * delegated_cred_handle + ) +{ + krb5_ccache ccache = NULL; + krb5_error_code kret; + int32_t ac_flags, ret = GSS_S_COMPLETE; + + *minor_status = 0; + + /* XXX Create a new delegated_cred_handle? */ + if (delegated_cred_handle == NULL) { + kret = krb5_cc_default (context, &ccache); + } else { + *delegated_cred_handle = NULL; + kret = krb5_cc_gen_new (context, &krb5_mcc_ops, &ccache); + } + if (kret) { + ctx->flags &= ~GSS_C_DELEG_FLAG; + goto out; + } + + kret = krb5_cc_initialize(context, ccache, ctx->source); + if (kret) { + ctx->flags &= ~GSS_C_DELEG_FLAG; + goto out; + } + + krb5_auth_con_removeflags(context, + ctx->auth_context, + KRB5_AUTH_CONTEXT_DO_TIME, + &ac_flags); + kret = krb5_rd_cred2(context, + ctx->auth_context, + ccache, + &ctx->fwd_data); + krb5_auth_con_setflags(context, + ctx->auth_context, + ac_flags); + if (kret) { + ctx->flags &= ~GSS_C_DELEG_FLAG; + ret = GSS_S_FAILURE; + *minor_status = kret; + goto out; + } + + if (delegated_cred_handle) { + gsskrb5_cred handle; + + ret = _gsskrb5_import_cred(minor_status, + ccache, + NULL, + NULL, + delegated_cred_handle); + if (ret != GSS_S_COMPLETE) + goto out; + + handle = (gsskrb5_cred) *delegated_cred_handle; + + handle->cred_flags |= GSS_CF_DESTROY_CRED_ON_RELEASE; + krb5_cc_close(context, ccache); + ccache = NULL; + } + +out: + if (ccache) { + /* Don't destroy the default cred cache */ + if (delegated_cred_handle == NULL) + krb5_cc_close(context, ccache); + else + krb5_cc_destroy(context, ccache); + } + return ret; +} + +static OM_uint32 +gsskrb5_acceptor_ready(OM_uint32 * minor_status, + gsskrb5_ctx ctx, + krb5_context context, + gss_cred_id_t *delegated_cred_handle) +{ + OM_uint32 ret; + int32_t seq_number; + int is_cfx = 0; + + krb5_auth_getremoteseqnumber (context, + ctx->auth_context, + &seq_number); + + _gsskrb5i_is_cfx(ctx, &is_cfx); + + ret = _gssapi_msg_order_create(minor_status, + &ctx->order, + _gssapi_msg_order_f(ctx->flags), + seq_number, 0, is_cfx); + if (ret) + return ret; + + /* + * If requested, set local sequence num to remote sequence if this + * isn't a mutual authentication context + */ + if (!(ctx->flags & GSS_C_MUTUAL_FLAG) && _gssapi_msg_order_f(ctx->flags)) { + krb5_auth_con_setlocalseqnumber(context, + ctx->auth_context, + seq_number); + } + + /* + * We should handle the delegation ticket, in case it's there + */ + if (ctx->fwd_data.length > 0 && (ctx->flags & GSS_C_DELEG_FLAG)) { + ret = gsskrb5_accept_delegated_token(minor_status, + ctx, + context, + delegated_cred_handle); + if (ret) + return ret; + } else { + /* Well, looks like it wasn't there after all */ + ctx->flags &= ~GSS_C_DELEG_FLAG; + } + + ctx->state = ACCEPTOR_READY; + ctx->more_flags |= OPEN; + + return GSS_S_COMPLETE; +} + +static OM_uint32 +send_error_token(OM_uint32 *minor_status, + krb5_context context, + krb5_error_code kret, + krb5_principal server, + krb5_data *indata, + gss_buffer_t output_token) +{ + krb5_principal ap_req_server = NULL; + krb5_error_code ret; + krb5_data outbuf; + + /* build server from request if the acceptor had not selected one */ + if (server == NULL) { + AP_REQ ap_req; + + ret = krb5_decode_ap_req(context, indata, &ap_req); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + ret = _krb5_principalname2krb5_principal(context, + &ap_req_server, + ap_req.ticket.sname, + ap_req.ticket.realm); + free_AP_REQ(&ap_req); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + server = ap_req_server; + } + + ret = krb5_mk_error(context, kret, NULL, NULL, NULL, + server, NULL, NULL, &outbuf); + if (ap_req_server) + krb5_free_principal(context, ap_req_server); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = _gsskrb5_encapsulate(minor_status, + &outbuf, + output_token, + "\x03\x00", + GSS_KRB5_MECHANISM); + krb5_data_free (&outbuf); + if (ret) + return ret; + + *minor_status = 0; + return GSS_S_CONTINUE_NEEDED; +} + + +static OM_uint32 +gsskrb5_acceptor_start(OM_uint32 * minor_status, + gsskrb5_ctx ctx, + krb5_context context, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token_buffer, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t * src_name, + gss_OID * mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec, + gss_cred_id_t * delegated_cred_handle) +{ + krb5_error_code kret; + OM_uint32 ret = GSS_S_COMPLETE; + krb5_data indata; + krb5_flags ap_options; + krb5_keytab keytab = NULL; + int is_cfx = 0; + const gsskrb5_cred acceptor_cred = (gsskrb5_cred)acceptor_cred_handle; + + /* + * We may, or may not, have an escapsulation. + */ + ret = _gsskrb5_decapsulate (minor_status, + input_token_buffer, + &indata, + "\x01\x00", + GSS_KRB5_MECHANISM); + + if (ret) { + /* Assume that there is no OID wrapping. */ + indata.length = input_token_buffer->length; + indata.data = input_token_buffer->value; + } + + /* + * We need to get our keytab + */ + if (acceptor_cred == NULL) { + if (_gsskrb5_keytab != NULL) + keytab = _gsskrb5_keytab; + } else if (acceptor_cred->keytab != NULL) { + keytab = acceptor_cred->keytab; + } + + /* + * We need to check the ticket and create the AP-REP packet + */ + + { + krb5_rd_req_in_ctx in = NULL; + krb5_rd_req_out_ctx out = NULL; + krb5_principal server = NULL; + + if (acceptor_cred) + server = acceptor_cred->principal; + + kret = krb5_rd_req_in_ctx_alloc(context, &in); + if (kret == 0) + kret = krb5_rd_req_in_set_keytab(context, in, keytab); + if (kret) { + if (in) + krb5_rd_req_in_ctx_free(context, in); + *minor_status = kret; + return GSS_S_FAILURE; + } + + kret = krb5_rd_req_ctx(context, + &ctx->auth_context, + &indata, + server, + in, &out); + krb5_rd_req_in_ctx_free(context, in); + if (kret == KRB5KRB_AP_ERR_SKEW) { + /* + * No reply in non-MUTUAL mode, but we don't know that its + * non-MUTUAL mode yet, thats inside the 8003 checksum, so + * lets only send the error token on clock skew, that + * limit when send error token for non-MUTUAL. + */ + return send_error_token(minor_status, context, kret, + server, &indata, output_token); + } else if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + /* + * we need to remember some data on the context_handle. + */ + kret = krb5_rd_req_out_get_ap_req_options(context, out, + &ap_options); + if (kret == 0) + kret = krb5_rd_req_out_get_ticket(context, out, + &ctx->ticket); + if (kret == 0) + kret = krb5_rd_req_out_get_keyblock(context, out, + &ctx->service_keyblock); + ctx->lifetime = ctx->ticket->ticket.endtime; + + krb5_rd_req_out_ctx_free(context, out); + if (kret) { + ret = GSS_S_FAILURE; + *minor_status = kret; + return ret; + } + } + + + /* + * We need to copy the principal names to the context and the + * calling layer. + */ + kret = krb5_copy_principal(context, + ctx->ticket->client, + &ctx->source); + if (kret) { + ret = GSS_S_FAILURE; + *minor_status = kret; + } + + kret = krb5_copy_principal(context, + ctx->ticket->server, + &ctx->target); + if (kret) { + ret = GSS_S_FAILURE; + *minor_status = kret; + return ret; + } + + /* + * We need to setup some compat stuff, this assumes that + * context_handle->target is already set. + */ + ret = _gss_DES3_get_mic_compat(minor_status, ctx, context); + if (ret) + return ret; + + if (src_name != NULL) { + kret = krb5_copy_principal (context, + ctx->ticket->client, + (gsskrb5_name*)src_name); + if (kret) { + ret = GSS_S_FAILURE; + *minor_status = kret; + return ret; + } + } + + /* + * We need to get the flags out of the 8003 checksum. + */ + { + krb5_authenticator authenticator; + + kret = krb5_auth_con_getauthenticator(context, + ctx->auth_context, + &authenticator); + if(kret) { + ret = GSS_S_FAILURE; + *minor_status = kret; + return ret; + } + + if (authenticator->cksum->cksumtype == CKSUMTYPE_GSSAPI) { + ret = _gsskrb5_verify_8003_checksum(minor_status, + input_chan_bindings, + authenticator->cksum, + &ctx->flags, + &ctx->fwd_data); + + krb5_free_authenticator(context, &authenticator); + if (ret) { + return ret; + } + } else { + krb5_crypto crypto; + + kret = krb5_crypto_init(context, + ctx->auth_context->keyblock, + 0, &crypto); + if(kret) { + krb5_free_authenticator(context, &authenticator); + + ret = GSS_S_FAILURE; + *minor_status = kret; + return ret; + } + + /* + * Windows accepts Samba3's use of a kerberos, rather than + * GSSAPI checksum here + */ + + kret = krb5_verify_checksum(context, + crypto, KRB5_KU_AP_REQ_AUTH_CKSUM, NULL, 0, + authenticator->cksum); + krb5_free_authenticator(context, &authenticator); + krb5_crypto_destroy(context, crypto); + + if(kret) { + ret = GSS_S_BAD_SIG; + *minor_status = kret; + return ret; + } + + /* + * Samba style get some flags (but not DCE-STYLE) + */ + ctx->flags = + GSS_C_MUTUAL_FLAG | GSS_C_REPLAY_FLAG | GSS_C_SEQUENCE_FLAG; + } + } + + if(ctx->flags & GSS_C_MUTUAL_FLAG) { + krb5_data outbuf; + int use_subkey = 0; + + _gsskrb5i_is_cfx(ctx, &is_cfx); + + if (is_cfx || (ap_options & AP_OPTS_USE_SUBKEY)) { + use_subkey = 1; + } else { + krb5_keyblock *rkey; + + /* + * If there is a initiator subkey, copy that to acceptor + * subkey to match Windows behavior + */ + kret = krb5_auth_con_getremotesubkey(context, + ctx->auth_context, + &rkey); + if (kret == 0) { + kret = krb5_auth_con_setlocalsubkey(context, + ctx->auth_context, + rkey); + if (kret == 0) + use_subkey = 1; + krb5_free_keyblock(context, rkey); + } + } + if (use_subkey) { + ctx->more_flags |= ACCEPTOR_SUBKEY; + krb5_auth_con_addflags(context, ctx->auth_context, + KRB5_AUTH_CONTEXT_USE_SUBKEY, + NULL); + } + + kret = krb5_mk_rep(context, + ctx->auth_context, + &outbuf); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + if (IS_DCE_STYLE(ctx)) { + output_token->length = outbuf.length; + output_token->value = outbuf.data; + } else { + ret = _gsskrb5_encapsulate(minor_status, + &outbuf, + output_token, + "\x02\x00", + GSS_KRB5_MECHANISM); + krb5_data_free (&outbuf); + if (ret) + return ret; + } + } + + ctx->flags |= GSS_C_TRANS_FLAG; + + /* Remember the flags */ + + ctx->lifetime = ctx->ticket->ticket.endtime; + ctx->more_flags |= OPEN; + + if (mech_type) + *mech_type = GSS_KRB5_MECHANISM; + + if (time_rec) { + ret = _gsskrb5_lifetime_left(minor_status, + context, + ctx->lifetime, + time_rec); + if (ret) { + return ret; + } + } + + /* + * When GSS_C_DCE_STYLE is in use, we need ask for a AP-REP from + * the client. + */ + if (IS_DCE_STYLE(ctx)) { + /* + * Return flags to caller, but we haven't processed + * delgations yet + */ + if (ret_flags) + *ret_flags = (ctx->flags & ~GSS_C_DELEG_FLAG); + + ctx->state = ACCEPTOR_WAIT_FOR_DCESTYLE; + return GSS_S_CONTINUE_NEEDED; + } + + ret = gsskrb5_acceptor_ready(minor_status, ctx, context, + delegated_cred_handle); + + if (ret_flags) + *ret_flags = ctx->flags; + + return ret; +} + +static OM_uint32 +acceptor_wait_for_dcestyle(OM_uint32 * minor_status, + gsskrb5_ctx ctx, + krb5_context context, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token_buffer, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t * src_name, + gss_OID * mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec, + gss_cred_id_t * delegated_cred_handle) +{ + OM_uint32 ret; + krb5_error_code kret; + krb5_data inbuf; + int32_t r_seq_number, l_seq_number; + + /* + * We know it's GSS_C_DCE_STYLE so we don't need to decapsulate the AP_REP + */ + + inbuf.length = input_token_buffer->length; + inbuf.data = input_token_buffer->value; + + /* + * We need to remeber the old remote seq_number, then check if the + * client has replied with our local seq_number, and then reset + * the remote seq_number to the old value + */ + { + kret = krb5_auth_con_getlocalseqnumber(context, + ctx->auth_context, + &l_seq_number); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + kret = krb5_auth_getremoteseqnumber(context, + ctx->auth_context, + &r_seq_number); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + kret = krb5_auth_con_setremoteseqnumber(context, + ctx->auth_context, + l_seq_number); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + } + + /* + * We need to verify the AP_REP, but we need to flag that this is + * DCE_STYLE, so don't check the timestamps this time, but put the + * flag DO_TIME back afterward. + */ + { + krb5_ap_rep_enc_part *repl; + int32_t auth_flags; + + krb5_auth_con_removeflags(context, + ctx->auth_context, + KRB5_AUTH_CONTEXT_DO_TIME, + &auth_flags); + + kret = krb5_rd_rep(context, ctx->auth_context, &inbuf, &repl); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + krb5_free_ap_rep_enc_part(context, repl); + krb5_auth_con_setflags(context, ctx->auth_context, auth_flags); + } + + /* We need to check the liftime */ + { + OM_uint32 lifetime_rec; + + ret = _gsskrb5_lifetime_left(minor_status, + context, + ctx->lifetime, + &lifetime_rec); + if (ret) { + return ret; + } + if (lifetime_rec == 0) { + return GSS_S_CONTEXT_EXPIRED; + } + + if (time_rec) *time_rec = lifetime_rec; + } + + /* We need to give the caller the flags which are in use */ + if (ret_flags) *ret_flags = ctx->flags; + + if (src_name) { + kret = krb5_copy_principal(context, + ctx->source, + (gsskrb5_name*)src_name); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + } + + /* + * After the krb5_rd_rep() the remote and local seq_number should + * be the same, because the client just replies the seq_number + * from our AP-REP in its AP-REP, but then the client uses the + * seq_number from its AP-REQ for GSS_wrap() + */ + { + int32_t tmp_r_seq_number, tmp_l_seq_number; + + kret = krb5_auth_getremoteseqnumber(context, + ctx->auth_context, + &tmp_r_seq_number); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + kret = krb5_auth_con_getlocalseqnumber(context, + ctx->auth_context, + &tmp_l_seq_number); + if (kret) { + + *minor_status = kret; + return GSS_S_FAILURE; + } + + /* + * Here we check if the client has responsed with our local seq_number, + */ + if (tmp_r_seq_number != tmp_l_seq_number) { + return GSS_S_UNSEQ_TOKEN; + } + } + + /* + * We need to reset the remote seq_number, because the client will use, + * the old one for the GSS_wrap() calls + */ + { + kret = krb5_auth_con_setremoteseqnumber(context, + ctx->auth_context, + r_seq_number); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + } + + return gsskrb5_acceptor_ready(minor_status, ctx, context, + delegated_cred_handle); +} + + +OM_uint32 +_gsskrb5_accept_sec_context(OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token_buffer, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t * src_name, + gss_OID * mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec, + gss_cred_id_t * delegated_cred_handle) +{ + krb5_context context; + OM_uint32 ret; + gsskrb5_ctx ctx; + + GSSAPI_KRB5_INIT(&context); + + output_token->length = 0; + output_token->value = NULL; + + if (src_name != NULL) + *src_name = NULL; + if (mech_type) + *mech_type = GSS_KRB5_MECHANISM; + + if (*context_handle == GSS_C_NO_CONTEXT) { + ret = _gsskrb5_create_ctx(minor_status, + context_handle, + context, + input_chan_bindings, + ACCEPTOR_START); + if (ret) + return ret; + } + + ctx = (gsskrb5_ctx)*context_handle; + + + /* + * TODO: check the channel_bindings + * (above just sets them to krb5 layer) + */ + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + switch (ctx->state) { + case ACCEPTOR_START: + ret = gsskrb5_acceptor_start(minor_status, + ctx, + context, + acceptor_cred_handle, + input_token_buffer, + input_chan_bindings, + src_name, + mech_type, + output_token, + ret_flags, + time_rec, + delegated_cred_handle); + break; + case ACCEPTOR_WAIT_FOR_DCESTYLE: + ret = acceptor_wait_for_dcestyle(minor_status, + ctx, + context, + acceptor_cred_handle, + input_token_buffer, + input_chan_bindings, + src_name, + mech_type, + output_token, + ret_flags, + time_rec, + delegated_cred_handle); + break; + case ACCEPTOR_READY: + /* + * If we get there, the caller have called + * gss_accept_sec_context() one time too many. + */ + ret = GSS_S_BAD_STATUS; + break; + default: + /* TODO: is this correct here? --metze */ + ret = GSS_S_BAD_STATUS; + break; + } + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + if (GSS_ERROR(ret)) { + OM_uint32 min2; + _gsskrb5_delete_sec_context(&min2, context_handle, GSS_C_NO_BUFFER); + } + + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/acquire_cred.c b/source4/heimdal/lib/gssapi/krb5/acquire_cred.c new file mode 100644 index 0000000000..a7caf1a32e --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/acquire_cred.c @@ -0,0 +1,403 @@ +/* + * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 +__gsskrb5_ccache_lifetime(OM_uint32 *minor_status, + krb5_context context, + krb5_ccache id, + krb5_principal principal, + OM_uint32 *lifetime) +{ + krb5_creds in_cred, *out_cred; + krb5_const_realm realm; + krb5_error_code kret; + + memset(&in_cred, 0, sizeof(in_cred)); + in_cred.client = principal; + + realm = krb5_principal_get_realm(context, principal); + if (realm == NULL) { + _gsskrb5_clear_status (); + *minor_status = KRB5_PRINC_NOMATCH; /* XXX */ + return GSS_S_FAILURE; + } + + kret = krb5_make_principal(context, &in_cred.server, + realm, KRB5_TGS_NAME, realm, NULL); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + kret = krb5_get_credentials(context, 0, + id, &in_cred, &out_cred); + krb5_free_principal(context, in_cred.server); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + *lifetime = out_cred->times.endtime; + krb5_free_creds(context, out_cred); + + return GSS_S_COMPLETE; +} + + + + +static krb5_error_code +get_keytab(krb5_context context, krb5_keytab *keytab) +{ + char kt_name[256]; + krb5_error_code kret; + + HEIMDAL_MUTEX_lock(&gssapi_keytab_mutex); + + if (_gsskrb5_keytab != NULL) { + kret = krb5_kt_get_name(context, + _gsskrb5_keytab, + kt_name, sizeof(kt_name)); + if (kret == 0) + kret = krb5_kt_resolve(context, kt_name, keytab); + } else + kret = krb5_kt_default(context, keytab); + + HEIMDAL_MUTEX_unlock(&gssapi_keytab_mutex); + + return (kret); +} + +static OM_uint32 acquire_initiator_cred + (OM_uint32 * minor_status, + krb5_context context, + const gss_name_t desired_name, + OM_uint32 time_req, + const gss_OID_set desired_mechs, + gss_cred_usage_t cred_usage, + gsskrb5_cred handle, + gss_OID_set * actual_mechs, + OM_uint32 * time_rec + ) +{ + OM_uint32 ret; + krb5_creds cred; + krb5_principal def_princ; + krb5_get_init_creds_opt *opt; + krb5_ccache ccache; + krb5_keytab keytab; + krb5_error_code kret; + + keytab = NULL; + ccache = NULL; + def_princ = NULL; + ret = GSS_S_FAILURE; + memset(&cred, 0, sizeof(cred)); + + /* + * If we have a preferred principal, lets try to find it in all + * caches, otherwise, fall back to default cache, ignore all + * errors while searching. + */ + + if (handle->principal) { + kret = krb5_cc_cache_match (context, + handle->principal, + NULL, + &ccache); + if (kret == 0) { + ret = GSS_S_COMPLETE; + goto found; + } + } + + if (ccache == NULL) { + kret = krb5_cc_default(context, &ccache); + if (kret) + goto end; + } + kret = krb5_cc_get_principal(context, ccache, &def_princ); + if (kret != 0) { + /* we'll try to use a keytab below */ + krb5_cc_close(context, ccache); + def_princ = NULL; + kret = 0; + } else if (handle->principal == NULL) { + kret = krb5_copy_principal(context, def_princ, &handle->principal); + if (kret) + goto end; + } else if (handle->principal != NULL && + krb5_principal_compare(context, handle->principal, + def_princ) == FALSE) { + krb5_free_principal(context, def_princ); + def_princ = NULL; + krb5_cc_close(context, ccache); + ccache = NULL; + } + if (def_princ == NULL) { + /* We have no existing credentials cache, + * so attempt to get a TGT using a keytab. + */ + if (handle->principal == NULL) { + kret = krb5_get_default_principal(context, &handle->principal); + if (kret) + goto end; + } + kret = get_keytab(context, &keytab); + if (kret) + goto end; + kret = krb5_get_init_creds_opt_alloc(context, &opt); + if (kret) + goto end; + kret = krb5_get_init_creds_keytab(context, &cred, + handle->principal, keytab, 0, NULL, opt); + krb5_get_init_creds_opt_free(context, opt); + if (kret) + goto end; + kret = krb5_cc_gen_new(context, &krb5_mcc_ops, &ccache); + if (kret) + goto end; + kret = krb5_cc_initialize(context, ccache, cred.client); + if (kret) { + krb5_cc_destroy(context, ccache); + goto end; + } + kret = krb5_cc_store_cred(context, ccache, &cred); + if (kret) { + krb5_cc_destroy(context, ccache); + goto end; + } + handle->lifetime = cred.times.endtime; + handle->cred_flags |= GSS_CF_DESTROY_CRED_ON_RELEASE; + } else { + + ret = __gsskrb5_ccache_lifetime(minor_status, + context, + ccache, + handle->principal, + &handle->lifetime); + if (ret != GSS_S_COMPLETE) { + krb5_cc_close(context, ccache); + goto end; + } + kret = 0; + } + found: + handle->ccache = ccache; + ret = GSS_S_COMPLETE; + +end: + if (cred.client != NULL) + krb5_free_cred_contents(context, &cred); + if (def_princ != NULL) + krb5_free_principal(context, def_princ); + if (keytab != NULL) + krb5_kt_close(context, keytab); + if (ret != GSS_S_COMPLETE && kret != 0) + *minor_status = kret; + return (ret); +} + +static OM_uint32 acquire_acceptor_cred + (OM_uint32 * minor_status, + krb5_context context, + const gss_name_t desired_name, + OM_uint32 time_req, + const gss_OID_set desired_mechs, + gss_cred_usage_t cred_usage, + gsskrb5_cred handle, + gss_OID_set * actual_mechs, + OM_uint32 * time_rec + ) +{ + OM_uint32 ret; + krb5_error_code kret; + + ret = GSS_S_FAILURE; + kret = get_keytab(context, &handle->keytab); + if (kret) + goto end; + + /* check that the requested principal exists in the keytab */ + if (handle->principal) { + krb5_keytab_entry entry; + + kret = krb5_kt_get_entry(context, handle->keytab, + handle->principal, 0, 0, &entry); + if (kret) + goto end; + krb5_kt_free_entry(context, &entry); + ret = GSS_S_COMPLETE; + } else { + /* + * Check if there is at least one entry in the keytab before + * declaring it as an useful keytab. + */ + krb5_keytab_entry tmp; + krb5_kt_cursor c; + + kret = krb5_kt_start_seq_get (context, handle->keytab, &c); + if (kret) + goto end; + if (krb5_kt_next_entry(context, handle->keytab, &tmp, &c) == 0) { + krb5_kt_free_entry(context, &tmp); + ret = GSS_S_COMPLETE; /* ok found one entry */ + } + krb5_kt_end_seq_get (context, handle->keytab, &c); + } +end: + if (ret != GSS_S_COMPLETE) { + if (handle->keytab != NULL) + krb5_kt_close(context, handle->keytab); + if (kret != 0) { + *minor_status = kret; + } + } + return (ret); +} + +OM_uint32 _gsskrb5_acquire_cred +(OM_uint32 * minor_status, + const gss_name_t desired_name, + OM_uint32 time_req, + const gss_OID_set desired_mechs, + gss_cred_usage_t cred_usage, + gss_cred_id_t * output_cred_handle, + gss_OID_set * actual_mechs, + OM_uint32 * time_rec + ) +{ + krb5_context context; + gsskrb5_cred handle; + OM_uint32 ret; + + if (cred_usage != GSS_C_ACCEPT && cred_usage != GSS_C_INITIATE && cred_usage != GSS_C_BOTH) { + *minor_status = GSS_KRB5_S_G_BAD_USAGE; + return GSS_S_FAILURE; + } + + GSSAPI_KRB5_INIT(&context); + + *output_cred_handle = NULL; + if (time_rec) + *time_rec = 0; + if (actual_mechs) + *actual_mechs = GSS_C_NO_OID_SET; + + if (desired_mechs) { + int present = 0; + + ret = gss_test_oid_set_member(minor_status, GSS_KRB5_MECHANISM, + desired_mechs, &present); + if (ret) + return ret; + if (!present) { + *minor_status = 0; + return GSS_S_BAD_MECH; + } + } + + handle = calloc(1, sizeof(*handle)); + if (handle == NULL) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + + HEIMDAL_MUTEX_init(&handle->cred_id_mutex); + + if (desired_name != GSS_C_NO_NAME) { + + ret = _gsskrb5_canon_name(minor_status, context, 0, desired_name, + &handle->principal); + if (ret) { + HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); + free(handle); + return ret; + } + } + if (cred_usage == GSS_C_INITIATE || cred_usage == GSS_C_BOTH) { + ret = acquire_initiator_cred(minor_status, context, + desired_name, time_req, + desired_mechs, cred_usage, handle, + actual_mechs, time_rec); + if (ret != GSS_S_COMPLETE) { + HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); + krb5_free_principal(context, handle->principal); + free(handle); + return (ret); + } + } + if (cred_usage == GSS_C_ACCEPT || cred_usage == GSS_C_BOTH) { + ret = acquire_acceptor_cred(minor_status, context, + desired_name, time_req, + desired_mechs, cred_usage, handle, actual_mechs, time_rec); + if (ret != GSS_S_COMPLETE) { + HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); + krb5_free_principal(context, handle->principal); + free(handle); + return (ret); + } + } + ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms); + if (ret == GSS_S_COMPLETE) + ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM, + &handle->mechanisms); + if (ret == GSS_S_COMPLETE) + ret = _gsskrb5_inquire_cred(minor_status, (gss_cred_id_t)handle, + NULL, time_rec, NULL, actual_mechs); + if (ret != GSS_S_COMPLETE) { + if (handle->mechanisms != NULL) + gss_release_oid_set(NULL, &handle->mechanisms); + HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); + krb5_free_principal(context, handle->principal); + free(handle); + return (ret); + } + *minor_status = 0; + if (time_rec) { + ret = _gsskrb5_lifetime_left(minor_status, + context, + handle->lifetime, + time_rec); + + if (ret) + return ret; + } + handle->usage = cred_usage; + *output_cred_handle = (gss_cred_id_t)handle; + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/krb5/add_cred.c b/source4/heimdal/lib/gssapi/krb5/add_cred.c new file mode 100644 index 0000000000..5cd17eb35d --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/add_cred.c @@ -0,0 +1,252 @@ +/* + * Copyright (c) 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_add_cred ( + OM_uint32 *minor_status, + const gss_cred_id_t input_cred_handle, + const gss_name_t desired_name, + const gss_OID desired_mech, + gss_cred_usage_t cred_usage, + OM_uint32 initiator_time_req, + OM_uint32 acceptor_time_req, + gss_cred_id_t *output_cred_handle, + gss_OID_set *actual_mechs, + OM_uint32 *initiator_time_rec, + OM_uint32 *acceptor_time_rec) +{ + krb5_context context; + OM_uint32 ret, lifetime; + gsskrb5_cred cred, handle; + krb5_const_principal dname; + + handle = NULL; + cred = (gsskrb5_cred)input_cred_handle; + dname = (krb5_const_principal)desired_name; + + GSSAPI_KRB5_INIT (&context); + + if (gss_oid_equal(desired_mech, GSS_KRB5_MECHANISM) == 0) { + *minor_status = 0; + return GSS_S_BAD_MECH; + } + + if (cred == NULL && output_cred_handle == NULL) { + *minor_status = 0; + return GSS_S_NO_CRED; + } + + if (cred == NULL) { /* XXX standard conformance failure */ + *minor_status = 0; + return GSS_S_NO_CRED; + } + + /* check if requested output usage is compatible with output usage */ + if (output_cred_handle != NULL) { + HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); + if (cred->usage != cred_usage && cred->usage != GSS_C_BOTH) { + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + *minor_status = GSS_KRB5_S_G_BAD_USAGE; + return(GSS_S_FAILURE); + } + } + + /* check that we have the same name */ + if (dname != NULL && + krb5_principal_compare(context, dname, + cred->principal) != FALSE) { + if (output_cred_handle) + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + *minor_status = 0; + return GSS_S_BAD_NAME; + } + + /* make a copy */ + if (output_cred_handle) { + krb5_error_code kret; + + handle = calloc(1, sizeof(*handle)); + if (handle == NULL) { + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + + handle->usage = cred_usage; + handle->lifetime = cred->lifetime; + handle->principal = NULL; + handle->keytab = NULL; + handle->ccache = NULL; + handle->mechanisms = NULL; + HEIMDAL_MUTEX_init(&handle->cred_id_mutex); + + ret = GSS_S_FAILURE; + + kret = krb5_copy_principal(context, cred->principal, + &handle->principal); + if (kret) { + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + free(handle); + *minor_status = kret; + return GSS_S_FAILURE; + } + + if (cred->keytab) { + char name[KRB5_KT_PREFIX_MAX_LEN + MAXPATHLEN]; + int len; + + ret = GSS_S_FAILURE; + + kret = krb5_kt_get_type(context, cred->keytab, + name, KRB5_KT_PREFIX_MAX_LEN); + if (kret) { + *minor_status = kret; + goto failure; + } + len = strlen(name); + name[len++] = ':'; + + kret = krb5_kt_get_name(context, cred->keytab, + name + len, + sizeof(name) - len); + if (kret) { + *minor_status = kret; + goto failure; + } + + kret = krb5_kt_resolve(context, name, + &handle->keytab); + if (kret){ + *minor_status = kret; + goto failure; + } + } + + if (cred->ccache) { + const char *type, *name; + char *type_name; + + ret = GSS_S_FAILURE; + + type = krb5_cc_get_type(context, cred->ccache); + if (type == NULL){ + *minor_status = ENOMEM; + goto failure; + } + + if (strcmp(type, "MEMORY") == 0) { + ret = krb5_cc_gen_new(context, &krb5_mcc_ops, + &handle->ccache); + if (ret) { + *minor_status = ret; + goto failure; + } + + ret = krb5_cc_copy_cache(context, cred->ccache, + handle->ccache); + if (ret) { + *minor_status = ret; + goto failure; + } + + } else { + name = krb5_cc_get_name(context, cred->ccache); + if (name == NULL) { + *minor_status = ENOMEM; + goto failure; + } + + asprintf(&type_name, "%s:%s", type, name); + if (type_name == NULL) { + *minor_status = ENOMEM; + goto failure; + } + + kret = krb5_cc_resolve(context, type_name, + &handle->ccache); + free(type_name); + if (kret) { + *minor_status = kret; + goto failure; + } + } + } + ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms); + if (ret) + goto failure; + + ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM, + &handle->mechanisms); + if (ret) + goto failure; + } + + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + + ret = _gsskrb5_inquire_cred(minor_status, (gss_cred_id_t)cred, + NULL, &lifetime, NULL, actual_mechs); + if (ret) + goto failure; + + if (initiator_time_rec) + *initiator_time_rec = lifetime; + if (acceptor_time_rec) + *acceptor_time_rec = lifetime; + + if (output_cred_handle) { + *output_cred_handle = (gss_cred_id_t)handle; + } + + *minor_status = 0; + return ret; + + failure: + + if (handle) { + if (handle->principal) + krb5_free_principal(context, handle->principal); + if (handle->keytab) + krb5_kt_close(context, handle->keytab); + if (handle->ccache) + krb5_cc_destroy(context, handle->ccache); + if (handle->mechanisms) + gss_release_oid_set(NULL, &handle->mechanisms); + free(handle); + } + if (output_cred_handle) + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/address_to_krb5addr.c b/source4/heimdal/lib/gssapi/krb5/address_to_krb5addr.c new file mode 100644 index 0000000000..18a90fe9a7 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/address_to_krb5addr.c @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +#include <roken.h> + +krb5_error_code +_gsskrb5i_address_to_krb5addr(krb5_context context, + OM_uint32 gss_addr_type, + gss_buffer_desc *gss_addr, + int16_t port, + krb5_address *address) +{ + int addr_type; + struct sockaddr sa; + krb5_socklen_t sa_size = sizeof(sa); + krb5_error_code problem; + + if (gss_addr == NULL) + return GSS_S_FAILURE; + + switch (gss_addr_type) { +#ifdef HAVE_IPV6 + case GSS_C_AF_INET6: addr_type = AF_INET6; + break; +#endif /* HAVE_IPV6 */ + + case GSS_C_AF_INET: addr_type = AF_INET; + break; + default: + return GSS_S_FAILURE; + } + + problem = krb5_h_addr2sockaddr (context, + addr_type, + gss_addr->value, + &sa, + &sa_size, + port); + if (problem) + return GSS_S_FAILURE; + + problem = krb5_sockaddr2address (context, &sa, address); + + return problem; +} diff --git a/source4/heimdal/lib/gssapi/krb5/arcfour.c b/source4/heimdal/lib/gssapi/krb5/arcfour.c new file mode 100644 index 0000000000..2f39a4e400 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/arcfour.c @@ -0,0 +1,760 @@ +/* + * Copyright (c) 2003 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +/* + * Implements draft-brezak-win2k-krb-rc4-hmac-04.txt + * + * The arcfour message have the following formats: + * + * MIC token + * TOK_ID[2] = 01 01 + * SGN_ALG[2] = 11 00 + * Filler[4] + * SND_SEQ[8] + * SGN_CKSUM[8] + * + * WRAP token + * TOK_ID[2] = 02 01 + * SGN_ALG[2]; + * SEAL_ALG[2] + * Filler[2] + * SND_SEQ[2] + * SGN_CKSUM[8] + * Confounder[8] + */ + +/* + * WRAP in DCE-style have a fixed size header, the oid and length over + * the WRAP header is a total of + * GSS_ARCFOUR_WRAP_TOKEN_DCE_DER_HEADER_SIZE + + * GSS_ARCFOUR_WRAP_TOKEN_SIZE byte (ie total of 45 bytes overhead, + * remember the 2 bytes from APPL [0] SEQ). + */ + +#define GSS_ARCFOUR_WRAP_TOKEN_SIZE 32 +#define GSS_ARCFOUR_WRAP_TOKEN_DCE_DER_HEADER_SIZE 13 + + +static krb5_error_code +arcfour_mic_key(krb5_context context, krb5_keyblock *key, + void *cksum_data, size_t cksum_size, + void *key6_data, size_t key6_size) +{ + krb5_error_code ret; + + Checksum cksum_k5; + krb5_keyblock key5; + char k5_data[16]; + + Checksum cksum_k6; + + char T[4]; + + memset(T, 0, 4); + cksum_k5.checksum.data = k5_data; + cksum_k5.checksum.length = sizeof(k5_data); + + if (key->keytype == KEYTYPE_ARCFOUR_56) { + char L40[14] = "fortybits"; + + memcpy(L40 + 10, T, sizeof(T)); + ret = krb5_hmac(context, CKSUMTYPE_RSA_MD5, + L40, 14, 0, key, &cksum_k5); + memset(&k5_data[7], 0xAB, 9); + } else { + ret = krb5_hmac(context, CKSUMTYPE_RSA_MD5, + T, 4, 0, key, &cksum_k5); + } + if (ret) + return ret; + + key5.keytype = KEYTYPE_ARCFOUR; + key5.keyvalue = cksum_k5.checksum; + + cksum_k6.checksum.data = key6_data; + cksum_k6.checksum.length = key6_size; + + return krb5_hmac(context, CKSUMTYPE_RSA_MD5, + cksum_data, cksum_size, 0, &key5, &cksum_k6); +} + + +static krb5_error_code +arcfour_mic_cksum(krb5_context context, + krb5_keyblock *key, unsigned usage, + u_char *sgn_cksum, size_t sgn_cksum_sz, + const u_char *v1, size_t l1, + const void *v2, size_t l2, + const void *v3, size_t l3) +{ + Checksum CKSUM; + u_char *ptr; + size_t len; + krb5_crypto crypto; + krb5_error_code ret; + + assert(sgn_cksum_sz == 8); + + len = l1 + l2 + l3; + + ptr = malloc(len); + if (ptr == NULL) + return ENOMEM; + + memcpy(ptr, v1, l1); + memcpy(ptr + l1, v2, l2); + memcpy(ptr + l1 + l2, v3, l3); + + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret) { + free(ptr); + return ret; + } + + ret = krb5_create_checksum(context, + crypto, + usage, + 0, + ptr, len, + &CKSUM); + free(ptr); + if (ret == 0) { + memcpy(sgn_cksum, CKSUM.checksum.data, sgn_cksum_sz); + free_Checksum(&CKSUM); + } + krb5_crypto_destroy(context, crypto); + + return ret; +} + + +OM_uint32 +_gssapi_get_mic_arcfour(OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token, + krb5_keyblock *key) +{ + krb5_error_code ret; + int32_t seq_number; + size_t len, total_len; + u_char k6_data[16], *p0, *p; + RC4_KEY rc4_key; + + _gsskrb5_encap_length (22, &len, &total_len, GSS_KRB5_MECHANISM); + + message_token->length = total_len; + message_token->value = malloc (total_len); + if (message_token->value == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p0 = _gssapi_make_mech_header(message_token->value, + len, + GSS_KRB5_MECHANISM); + p = p0; + + *p++ = 0x01; /* TOK_ID */ + *p++ = 0x01; + *p++ = 0x11; /* SGN_ALG */ + *p++ = 0x00; + *p++ = 0xff; /* Filler */ + *p++ = 0xff; + *p++ = 0xff; + *p++ = 0xff; + + p = NULL; + + ret = arcfour_mic_cksum(context, + key, KRB5_KU_USAGE_SIGN, + p0 + 16, 8, /* SGN_CKSUM */ + p0, 8, /* TOK_ID, SGN_ALG, Filer */ + message_buffer->value, message_buffer->length, + NULL, 0); + if (ret) { + _gsskrb5_release_buffer(minor_status, message_token); + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = arcfour_mic_key(context, key, + p0 + 16, 8, /* SGN_CKSUM */ + k6_data, sizeof(k6_data)); + if (ret) { + _gsskrb5_release_buffer(minor_status, message_token); + *minor_status = ret; + return GSS_S_FAILURE; + } + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + krb5_auth_con_getlocalseqnumber (context, + context_handle->auth_context, + &seq_number); + p = p0 + 8; /* SND_SEQ */ + _gsskrb5_encode_be_om_uint32(seq_number, p); + + krb5_auth_con_setlocalseqnumber (context, + context_handle->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + memset (p + 4, (context_handle->more_flags & LOCAL) ? 0 : 0xff, 4); + + RC4_set_key (&rc4_key, sizeof(k6_data), k6_data); + RC4 (&rc4_key, 8, p, p); + + memset(&rc4_key, 0, sizeof(rc4_key)); + memset(k6_data, 0, sizeof(k6_data)); + + *minor_status = 0; + return GSS_S_COMPLETE; +} + + +OM_uint32 +_gssapi_verify_mic_arcfour(OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t * qop_state, + krb5_keyblock *key, + char *type) +{ + krb5_error_code ret; + uint32_t seq_number; + OM_uint32 omret; + u_char SND_SEQ[8], cksum_data[8], *p; + char k6_data[16]; + int cmp; + + if (qop_state) + *qop_state = 0; + + p = token_buffer->value; + omret = _gsskrb5_verify_header (&p, + token_buffer->length, + (u_char *)type, + GSS_KRB5_MECHANISM); + if (omret) + return omret; + + if (memcmp(p, "\x11\x00", 2) != 0) /* SGN_ALG = HMAC MD5 ARCFOUR */ + return GSS_S_BAD_SIG; + p += 2; + if (memcmp (p, "\xff\xff\xff\xff", 4) != 0) + return GSS_S_BAD_MIC; + p += 4; + + ret = arcfour_mic_cksum(context, + key, KRB5_KU_USAGE_SIGN, + cksum_data, sizeof(cksum_data), + p - 8, 8, + message_buffer->value, message_buffer->length, + NULL, 0); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = arcfour_mic_key(context, key, + cksum_data, sizeof(cksum_data), + k6_data, sizeof(k6_data)); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + cmp = memcmp(cksum_data, p + 8, 8); + if (cmp) { + *minor_status = 0; + return GSS_S_BAD_MIC; + } + + { + RC4_KEY rc4_key; + + RC4_set_key (&rc4_key, sizeof(k6_data), (void*)k6_data); + RC4 (&rc4_key, 8, p, SND_SEQ); + + memset(&rc4_key, 0, sizeof(rc4_key)); + memset(k6_data, 0, sizeof(k6_data)); + } + + _gsskrb5_decode_be_om_uint32(SND_SEQ, &seq_number); + + if (context_handle->more_flags & LOCAL) + cmp = memcmp(&SND_SEQ[4], "\xff\xff\xff\xff", 4); + else + cmp = memcmp(&SND_SEQ[4], "\x00\x00\x00\x00", 4); + + memset(SND_SEQ, 0, sizeof(SND_SEQ)); + if (cmp != 0) { + *minor_status = 0; + return GSS_S_BAD_MIC; + } + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + omret = _gssapi_msg_order_check(context_handle->order, seq_number); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + if (omret) + return omret; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 +_gssapi_wrap_arcfour(OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_message_buffer, + krb5_keyblock *key) +{ + u_char Klocaldata[16], k6_data[16], *p, *p0; + size_t len, total_len, datalen; + krb5_keyblock Klocal; + krb5_error_code ret; + int32_t seq_number; + + if (conf_state) + *conf_state = 0; + + datalen = input_message_buffer->length; + + if (IS_DCE_STYLE(context_handle)) { + len = GSS_ARCFOUR_WRAP_TOKEN_SIZE; + _gssapi_encap_length(len, &len, &total_len, GSS_KRB5_MECHANISM); + total_len += datalen; + } else { + datalen += 1; /* padding */ + len = datalen + GSS_ARCFOUR_WRAP_TOKEN_SIZE; + _gssapi_encap_length(len, &len, &total_len, GSS_KRB5_MECHANISM); + } + + output_message_buffer->length = total_len; + output_message_buffer->value = malloc (total_len); + if (output_message_buffer->value == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p0 = _gssapi_make_mech_header(output_message_buffer->value, + len, + GSS_KRB5_MECHANISM); + p = p0; + + *p++ = 0x02; /* TOK_ID */ + *p++ = 0x01; + *p++ = 0x11; /* SGN_ALG */ + *p++ = 0x00; + if (conf_req_flag) { + *p++ = 0x10; /* SEAL_ALG */ + *p++ = 0x00; + } else { + *p++ = 0xff; /* SEAL_ALG */ + *p++ = 0xff; + } + *p++ = 0xff; /* Filler */ + *p++ = 0xff; + + p = NULL; + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + krb5_auth_con_getlocalseqnumber (context, + context_handle->auth_context, + &seq_number); + + _gsskrb5_encode_be_om_uint32(seq_number, p0 + 8); + + krb5_auth_con_setlocalseqnumber (context, + context_handle->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + memset (p0 + 8 + 4, + (context_handle->more_flags & LOCAL) ? 0 : 0xff, + 4); + + krb5_generate_random_block(p0 + 24, 8); /* fill in Confounder */ + + /* p points to data */ + p = p0 + GSS_ARCFOUR_WRAP_TOKEN_SIZE; + memcpy(p, input_message_buffer->value, input_message_buffer->length); + + if (!IS_DCE_STYLE(context_handle)) + p[input_message_buffer->length] = 1; /* padding */ + + ret = arcfour_mic_cksum(context, + key, KRB5_KU_USAGE_SEAL, + p0 + 16, 8, /* SGN_CKSUM */ + p0, 8, /* TOK_ID, SGN_ALG, SEAL_ALG, Filler */ + p0 + 24, 8, /* Confounder */ + p0 + GSS_ARCFOUR_WRAP_TOKEN_SIZE, + datalen); + if (ret) { + *minor_status = ret; + _gsskrb5_release_buffer(minor_status, output_message_buffer); + return GSS_S_FAILURE; + } + + { + int i; + + Klocal.keytype = key->keytype; + Klocal.keyvalue.data = Klocaldata; + Klocal.keyvalue.length = sizeof(Klocaldata); + + for (i = 0; i < 16; i++) + Klocaldata[i] = ((u_char *)key->keyvalue.data)[i] ^ 0xF0; + } + ret = arcfour_mic_key(context, &Klocal, + p0 + 8, 4, /* SND_SEQ */ + k6_data, sizeof(k6_data)); + memset(Klocaldata, 0, sizeof(Klocaldata)); + if (ret) { + _gsskrb5_release_buffer(minor_status, output_message_buffer); + *minor_status = ret; + return GSS_S_FAILURE; + } + + + if(conf_req_flag) { + RC4_KEY rc4_key; + + RC4_set_key (&rc4_key, sizeof(k6_data), (void *)k6_data); + /* XXX ? */ + RC4 (&rc4_key, 8 + datalen, p0 + 24, p0 + 24); /* Confounder + data */ + memset(&rc4_key, 0, sizeof(rc4_key)); + } + memset(k6_data, 0, sizeof(k6_data)); + + ret = arcfour_mic_key(context, key, + p0 + 16, 8, /* SGN_CKSUM */ + k6_data, sizeof(k6_data)); + if (ret) { + _gsskrb5_release_buffer(minor_status, output_message_buffer); + *minor_status = ret; + return GSS_S_FAILURE; + } + + { + RC4_KEY rc4_key; + + RC4_set_key (&rc4_key, sizeof(k6_data), k6_data); + RC4 (&rc4_key, 8, p0 + 8, p0 + 8); /* SND_SEQ */ + memset(&rc4_key, 0, sizeof(rc4_key)); + memset(k6_data, 0, sizeof(k6_data)); + } + + if (conf_state) + *conf_state = conf_req_flag; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 _gssapi_unwrap_arcfour(OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int *conf_state, + gss_qop_t *qop_state, + krb5_keyblock *key) +{ + u_char Klocaldata[16]; + krb5_keyblock Klocal; + krb5_error_code ret; + uint32_t seq_number; + size_t datalen; + OM_uint32 omret; + u_char k6_data[16], SND_SEQ[8], Confounder[8]; + u_char cksum_data[8]; + u_char *p, *p0; + int cmp; + int conf_flag; + size_t padlen = 0, len; + + if (conf_state) + *conf_state = 0; + if (qop_state) + *qop_state = 0; + + p0 = input_message_buffer->value; + + if (IS_DCE_STYLE(context_handle)) { + len = GSS_ARCFOUR_WRAP_TOKEN_SIZE + + GSS_ARCFOUR_WRAP_TOKEN_DCE_DER_HEADER_SIZE; + if (input_message_buffer->length < len) + return GSS_S_BAD_MECH; + } else { + len = input_message_buffer->length; + } + + omret = _gssapi_verify_mech_header(&p0, + len, + GSS_KRB5_MECHANISM); + if (omret) + return omret; + + /* length of mech header */ + len = (p0 - (u_char *)input_message_buffer->value) + + GSS_ARCFOUR_WRAP_TOKEN_SIZE; + + if (len > input_message_buffer->length) + return GSS_S_BAD_MECH; + + /* length of data */ + datalen = input_message_buffer->length - len; + + p = p0; + + if (memcmp(p, "\x02\x01", 2) != 0) + return GSS_S_BAD_SIG; + p += 2; + if (memcmp(p, "\x11\x00", 2) != 0) /* SGN_ALG = HMAC MD5 ARCFOUR */ + return GSS_S_BAD_SIG; + p += 2; + + if (memcmp (p, "\x10\x00", 2) == 0) + conf_flag = 1; + else if (memcmp (p, "\xff\xff", 2) == 0) + conf_flag = 0; + else + return GSS_S_BAD_SIG; + + p += 2; + if (memcmp (p, "\xff\xff", 2) != 0) + return GSS_S_BAD_MIC; + p = NULL; + + ret = arcfour_mic_key(context, key, + p0 + 16, 8, /* SGN_CKSUM */ + k6_data, sizeof(k6_data)); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + { + RC4_KEY rc4_key; + + RC4_set_key (&rc4_key, sizeof(k6_data), k6_data); + RC4 (&rc4_key, 8, p0 + 8, SND_SEQ); /* SND_SEQ */ + memset(&rc4_key, 0, sizeof(rc4_key)); + memset(k6_data, 0, sizeof(k6_data)); + } + + _gsskrb5_decode_be_om_uint32(SND_SEQ, &seq_number); + + if (context_handle->more_flags & LOCAL) + cmp = memcmp(&SND_SEQ[4], "\xff\xff\xff\xff", 4); + else + cmp = memcmp(&SND_SEQ[4], "\x00\x00\x00\x00", 4); + + if (cmp != 0) { + *minor_status = 0; + return GSS_S_BAD_MIC; + } + + { + int i; + + Klocal.keytype = key->keytype; + Klocal.keyvalue.data = Klocaldata; + Klocal.keyvalue.length = sizeof(Klocaldata); + + for (i = 0; i < 16; i++) + Klocaldata[i] = ((u_char *)key->keyvalue.data)[i] ^ 0xF0; + } + ret = arcfour_mic_key(context, &Klocal, + SND_SEQ, 4, + k6_data, sizeof(k6_data)); + memset(Klocaldata, 0, sizeof(Klocaldata)); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + output_message_buffer->value = malloc(datalen); + if (output_message_buffer->value == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + output_message_buffer->length = datalen; + + if(conf_flag) { + RC4_KEY rc4_key; + + RC4_set_key (&rc4_key, sizeof(k6_data), k6_data); + RC4 (&rc4_key, 8, p0 + 24, Confounder); /* Confounder */ + RC4 (&rc4_key, datalen, p0 + GSS_ARCFOUR_WRAP_TOKEN_SIZE, + output_message_buffer->value); + memset(&rc4_key, 0, sizeof(rc4_key)); + } else { + memcpy(Confounder, p0 + 24, 8); /* Confounder */ + memcpy(output_message_buffer->value, + p0 + GSS_ARCFOUR_WRAP_TOKEN_SIZE, + datalen); + } + memset(k6_data, 0, sizeof(k6_data)); + + if (!IS_DCE_STYLE(context_handle)) { + ret = _gssapi_verify_pad(output_message_buffer, datalen, &padlen); + if (ret) { + _gsskrb5_release_buffer(minor_status, output_message_buffer); + *minor_status = 0; + return ret; + } + output_message_buffer->length -= padlen; + } + + ret = arcfour_mic_cksum(context, + key, KRB5_KU_USAGE_SEAL, + cksum_data, sizeof(cksum_data), + p0, 8, + Confounder, sizeof(Confounder), + output_message_buffer->value, + output_message_buffer->length + padlen); + if (ret) { + _gsskrb5_release_buffer(minor_status, output_message_buffer); + *minor_status = ret; + return GSS_S_FAILURE; + } + + cmp = memcmp(cksum_data, p0 + 16, 8); /* SGN_CKSUM */ + if (cmp) { + _gsskrb5_release_buffer(minor_status, output_message_buffer); + *minor_status = 0; + return GSS_S_BAD_MIC; + } + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + omret = _gssapi_msg_order_check(context_handle->order, seq_number); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + if (omret) + return omret; + + if (conf_state) + *conf_state = conf_flag; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +static OM_uint32 +max_wrap_length_arcfour(const gsskrb5_ctx ctx, + krb5_crypto crypto, + size_t input_length, + OM_uint32 *max_input_size) +{ + /* + * if GSS_C_DCE_STYLE is in use: + * - we only need to encapsulate the WRAP token + * However, since this is a fixed since, we just + */ + if (IS_DCE_STYLE(ctx)) { + size_t len, total_len; + + len = GSS_ARCFOUR_WRAP_TOKEN_SIZE; + _gssapi_encap_length(len, &len, &total_len, GSS_KRB5_MECHANISM); + + if (input_length < len) + *max_input_size = 0; + else + *max_input_size = input_length - len; + + } else { + size_t extrasize = GSS_ARCFOUR_WRAP_TOKEN_SIZE; + size_t blocksize = 8; + size_t len, total_len; + + len = 8 + input_length + blocksize + extrasize; + + _gsskrb5_encap_length(len, &len, &total_len, GSS_KRB5_MECHANISM); + + total_len -= input_length; /* token length */ + if (total_len < input_length) { + *max_input_size = (input_length - total_len); + (*max_input_size) &= (~(OM_uint32)(blocksize - 1)); + } else { + *max_input_size = 0; + } + } + + return GSS_S_COMPLETE; +} + +OM_uint32 +_gssapi_wrap_size_arcfour(OM_uint32 *minor_status, + const gsskrb5_ctx ctx, + krb5_context context, + int conf_req_flag, + gss_qop_t qop_req, + OM_uint32 req_output_size, + OM_uint32 *max_input_size, + krb5_keyblock *key) +{ + krb5_error_code ret; + krb5_crypto crypto; + + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret != 0) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = max_wrap_length_arcfour(ctx, crypto, + req_output_size, max_input_size); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + krb5_crypto_destroy(context, crypto); + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/canonicalize_name.c b/source4/heimdal/lib/gssapi/krb5/canonicalize_name.c new file mode 100644 index 0000000000..f2143560d0 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/canonicalize_name.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_canonicalize_name ( + OM_uint32 * minor_status, + const gss_name_t input_name, + const gss_OID mech_type, + gss_name_t * output_name + ) +{ + krb5_context context; + krb5_principal name; + OM_uint32 ret; + + *output_name = NULL; + + GSSAPI_KRB5_INIT (&context); + + ret = _gsskrb5_canon_name(minor_status, context, 1, input_name, &name); + if (ret) + return ret; + + *output_name = (gss_name_t)name; + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/cfx.c b/source4/heimdal/lib/gssapi/krb5/cfx.c new file mode 100755 index 0000000000..188344fb26 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/cfx.c @@ -0,0 +1,905 @@ +/* + * Copyright (c) 2003, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +/* + * Implementation of draft-ietf-krb-wg-gssapi-cfx-06.txt + */ + +#define CFXSentByAcceptor (1 << 0) +#define CFXSealed (1 << 1) +#define CFXAcceptorSubkey (1 << 2) + +krb5_error_code +_gsskrb5cfx_wrap_length_cfx(const gsskrb5_ctx context_handle, + krb5_context context, + krb5_crypto crypto, + int conf_req_flag, + size_t input_length, + size_t *output_length, + size_t *cksumsize, + uint16_t *padlength) +{ + krb5_error_code ret; + krb5_cksumtype type; + + /* 16-byte header is always first */ + *output_length = sizeof(gss_cfx_wrap_token_desc); + *padlength = 0; + + ret = krb5_crypto_get_checksum_type(context, crypto, &type); + if (ret) + return ret; + + ret = krb5_checksumsize(context, type, cksumsize); + if (ret) + return ret; + + if (conf_req_flag) { + size_t padsize; + + /* Header is concatenated with data before encryption */ + input_length += sizeof(gss_cfx_wrap_token_desc); + + if (IS_DCE_STYLE(context_handle)) { + ret = krb5_crypto_getblocksize(context, crypto, &padsize); + } else { + ret = krb5_crypto_getpadsize(context, crypto, &padsize); + } + if (ret) { + return ret; + } + if (padsize > 1) { + /* XXX check this */ + *padlength = padsize - (input_length % padsize); + + /* We add the pad ourselves (noted here for completeness only) */ + input_length += *padlength; + } + + *output_length += krb5_get_wrapped_length(context, + crypto, input_length); + } else { + /* Checksum is concatenated with data */ + *output_length += input_length + *cksumsize; + } + + assert(*output_length > input_length); + + return 0; +} + +krb5_error_code +_gsskrb5cfx_max_wrap_length_cfx(krb5_context context, + krb5_crypto crypto, + int conf_req_flag, + size_t input_length, + OM_uint32 *output_length) +{ + krb5_error_code ret; + + *output_length = 0; + + /* 16-byte header is always first */ + if (input_length < 16) + return 0; + input_length -= 16; + + if (conf_req_flag) { + size_t wrapped_size, sz; + + wrapped_size = input_length + 1; + do { + wrapped_size--; + sz = krb5_get_wrapped_length(context, + crypto, wrapped_size); + } while (wrapped_size && sz > input_length); + if (wrapped_size == 0) { + *output_length = 0; + return 0; + } + + /* inner header */ + if (wrapped_size < 16) { + *output_length = 0; + return 0; + } + wrapped_size -= 16; + + *output_length = wrapped_size; + } else { + krb5_cksumtype type; + size_t cksumsize; + + ret = krb5_crypto_get_checksum_type(context, crypto, &type); + if (ret) + return ret; + + ret = krb5_checksumsize(context, type, &cksumsize); + if (ret) + return ret; + + if (input_length < cksumsize) + return 0; + + /* Checksum is concatenated with data */ + *output_length = input_length - cksumsize; + } + + return 0; +} + + +OM_uint32 _gssapi_wrap_size_cfx(OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + int conf_req_flag, + gss_qop_t qop_req, + OM_uint32 req_output_size, + OM_uint32 *max_input_size, + krb5_keyblock *key) +{ + krb5_error_code ret; + krb5_crypto crypto; + + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret != 0) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = _gsskrb5cfx_max_wrap_length_cfx(context, crypto, conf_req_flag, + req_output_size, max_input_size); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + krb5_crypto_destroy(context, crypto); + + return GSS_S_COMPLETE; +} + +/* + * Rotate "rrc" bytes to the front or back + */ + +static krb5_error_code +rrc_rotate(void *data, size_t len, uint16_t rrc, krb5_boolean unrotate) +{ + u_char *tmp, buf[256]; + size_t left; + + if (len == 0) + return 0; + + rrc %= len; + + if (rrc == 0) + return 0; + + left = len - rrc; + + if (rrc <= sizeof(buf)) { + tmp = buf; + } else { + tmp = malloc(rrc); + if (tmp == NULL) + return ENOMEM; + } + + if (unrotate) { + memcpy(tmp, data, rrc); + memmove(data, (u_char *)data + rrc, left); + memcpy((u_char *)data + left, tmp, rrc); + } else { + memcpy(tmp, (u_char *)data + left, rrc); + memmove((u_char *)data + rrc, data, left); + memcpy(data, tmp, rrc); + } + + if (rrc > sizeof(buf)) + free(tmp); + + return 0; +} + +OM_uint32 _gssapi_wrap_cfx(OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int *conf_state, + gss_buffer_t output_message_buffer, + krb5_keyblock *key) +{ + krb5_crypto crypto; + gss_cfx_wrap_token token; + krb5_error_code ret; + unsigned usage; + krb5_data cipher; + size_t wrapped_len, cksumsize; + uint16_t padlength, rrc = 0; + int32_t seq_number; + u_char *p; + + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret != 0) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = _gsskrb5cfx_wrap_length_cfx(context_handle, context, + crypto, conf_req_flag, + input_message_buffer->length, + &wrapped_len, &cksumsize, &padlength); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + /* Always rotate encrypted token (if any) and checksum to header */ + rrc = (conf_req_flag ? sizeof(*token) : 0) + (uint16_t)cksumsize; + + output_message_buffer->length = wrapped_len; + output_message_buffer->value = malloc(output_message_buffer->length); + if (output_message_buffer->value == NULL) { + *minor_status = ENOMEM; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + p = output_message_buffer->value; + token = (gss_cfx_wrap_token)p; + token->TOK_ID[0] = 0x05; + token->TOK_ID[1] = 0x04; + token->Flags = 0; + token->Filler = 0xFF; + if ((context_handle->more_flags & LOCAL) == 0) + token->Flags |= CFXSentByAcceptor; + if (context_handle->more_flags & ACCEPTOR_SUBKEY) + token->Flags |= CFXAcceptorSubkey; + if (conf_req_flag) { + /* + * In Wrap tokens with confidentiality, the EC field is + * used to encode the size (in bytes) of the random filler. + */ + token->Flags |= CFXSealed; + token->EC[0] = (padlength >> 8) & 0xFF; + token->EC[1] = (padlength >> 0) & 0xFF; + } else { + /* + * In Wrap tokens without confidentiality, the EC field is + * used to encode the size (in bytes) of the trailing + * checksum. + * + * This is not used in the checksum calcuation itself, + * because the checksum length could potentially vary + * depending on the data length. + */ + token->EC[0] = 0; + token->EC[1] = 0; + } + + /* + * In Wrap tokens that provide for confidentiality, the RRC + * field in the header contains the hex value 00 00 before + * encryption. + * + * In Wrap tokens that do not provide for confidentiality, + * both the EC and RRC fields in the appended checksum + * contain the hex value 00 00 for the purpose of calculating + * the checksum. + */ + token->RRC[0] = 0; + token->RRC[1] = 0; + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + krb5_auth_con_getlocalseqnumber(context, + context_handle->auth_context, + &seq_number); + _gsskrb5_encode_be_om_uint32(0, &token->SND_SEQ[0]); + _gsskrb5_encode_be_om_uint32(seq_number, &token->SND_SEQ[4]); + krb5_auth_con_setlocalseqnumber(context, + context_handle->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + /* + * If confidentiality is requested, the token header is + * appended to the plaintext before encryption; the resulting + * token is {"header" | encrypt(plaintext | pad | "header")}. + * + * If no confidentiality is requested, the checksum is + * calculated over the plaintext concatenated with the + * token header. + */ + if (context_handle->more_flags & LOCAL) { + usage = KRB5_KU_USAGE_INITIATOR_SEAL; + } else { + usage = KRB5_KU_USAGE_ACCEPTOR_SEAL; + } + + if (conf_req_flag) { + /* + * Any necessary padding is added here to ensure that the + * encrypted token header is always at the end of the + * ciphertext. + * + * The specification does not require that the padding + * bytes are initialized. + */ + p += sizeof(*token); + memcpy(p, input_message_buffer->value, input_message_buffer->length); + memset(p + input_message_buffer->length, 0xFF, padlength); + memcpy(p + input_message_buffer->length + padlength, + token, sizeof(*token)); + + ret = krb5_encrypt(context, crypto, + usage, p, + input_message_buffer->length + padlength + + sizeof(*token), + &cipher); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + _gsskrb5_release_buffer(minor_status, output_message_buffer); + return GSS_S_FAILURE; + } + assert(sizeof(*token) + cipher.length == wrapped_len); + token->RRC[0] = (rrc >> 8) & 0xFF; + token->RRC[1] = (rrc >> 0) & 0xFF; + + /* + * this is really ugly, but needed against windows + * for DCERPC, as windows rotates by EC+RRC. + */ + if (IS_DCE_STYLE(context_handle)) { + ret = rrc_rotate(cipher.data, cipher.length, rrc+padlength, FALSE); + } else { + ret = rrc_rotate(cipher.data, cipher.length, rrc, FALSE); + } + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + _gsskrb5_release_buffer(minor_status, output_message_buffer); + return GSS_S_FAILURE; + } + memcpy(p, cipher.data, cipher.length); + krb5_data_free(&cipher); + } else { + char *buf; + Checksum cksum; + + buf = malloc(input_message_buffer->length + sizeof(*token)); + if (buf == NULL) { + *minor_status = ENOMEM; + krb5_crypto_destroy(context, crypto); + _gsskrb5_release_buffer(minor_status, output_message_buffer); + return GSS_S_FAILURE; + } + memcpy(buf, input_message_buffer->value, input_message_buffer->length); + memcpy(buf + input_message_buffer->length, token, sizeof(*token)); + + ret = krb5_create_checksum(context, crypto, + usage, 0, buf, + input_message_buffer->length + + sizeof(*token), + &cksum); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + _gsskrb5_release_buffer(minor_status, output_message_buffer); + free(buf); + return GSS_S_FAILURE; + } + + free(buf); + + assert(cksum.checksum.length == cksumsize); + token->EC[0] = (cksum.checksum.length >> 8) & 0xFF; + token->EC[1] = (cksum.checksum.length >> 0) & 0xFF; + token->RRC[0] = (rrc >> 8) & 0xFF; + token->RRC[1] = (rrc >> 0) & 0xFF; + + p += sizeof(*token); + memcpy(p, input_message_buffer->value, input_message_buffer->length); + memcpy(p + input_message_buffer->length, + cksum.checksum.data, cksum.checksum.length); + + ret = rrc_rotate(p, + input_message_buffer->length + cksum.checksum.length, rrc, FALSE); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + _gsskrb5_release_buffer(minor_status, output_message_buffer); + free_Checksum(&cksum); + return GSS_S_FAILURE; + } + free_Checksum(&cksum); + } + + krb5_crypto_destroy(context, crypto); + + if (conf_state != NULL) { + *conf_state = conf_req_flag; + } + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 _gssapi_unwrap_cfx(OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int *conf_state, + gss_qop_t *qop_state, + krb5_keyblock *key) +{ + krb5_crypto crypto; + gss_cfx_wrap_token token; + u_char token_flags; + krb5_error_code ret; + unsigned usage; + krb5_data data; + uint16_t ec, rrc; + OM_uint32 seq_number_lo, seq_number_hi; + size_t len; + u_char *p; + + *minor_status = 0; + + if (input_message_buffer->length < sizeof(*token)) { + return GSS_S_DEFECTIVE_TOKEN; + } + + p = input_message_buffer->value; + + token = (gss_cfx_wrap_token)p; + + if (token->TOK_ID[0] != 0x05 || token->TOK_ID[1] != 0x04) { + return GSS_S_DEFECTIVE_TOKEN; + } + + /* Ignore unknown flags */ + token_flags = token->Flags & + (CFXSentByAcceptor | CFXSealed | CFXAcceptorSubkey); + + if (token_flags & CFXSentByAcceptor) { + if ((context_handle->more_flags & LOCAL) == 0) + return GSS_S_DEFECTIVE_TOKEN; + } + + if (context_handle->more_flags & ACCEPTOR_SUBKEY) { + if ((token_flags & CFXAcceptorSubkey) == 0) + return GSS_S_DEFECTIVE_TOKEN; + } else { + if (token_flags & CFXAcceptorSubkey) + return GSS_S_DEFECTIVE_TOKEN; + } + + if (token->Filler != 0xFF) { + return GSS_S_DEFECTIVE_TOKEN; + } + + if (conf_state != NULL) { + *conf_state = (token_flags & CFXSealed) ? 1 : 0; + } + + ec = (token->EC[0] << 8) | token->EC[1]; + rrc = (token->RRC[0] << 8) | token->RRC[1]; + + /* + * Check sequence number + */ + _gsskrb5_decode_be_om_uint32(&token->SND_SEQ[0], &seq_number_hi); + _gsskrb5_decode_be_om_uint32(&token->SND_SEQ[4], &seq_number_lo); + if (seq_number_hi) { + /* no support for 64-bit sequence numbers */ + *minor_status = ERANGE; + return GSS_S_UNSEQ_TOKEN; + } + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + ret = _gssapi_msg_order_check(context_handle->order, seq_number_lo); + if (ret != 0) { + *minor_status = 0; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + _gsskrb5_release_buffer(minor_status, output_message_buffer); + return ret; + } + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + /* + * Decrypt and/or verify checksum + */ + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret != 0) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + if (context_handle->more_flags & LOCAL) { + usage = KRB5_KU_USAGE_ACCEPTOR_SEAL; + } else { + usage = KRB5_KU_USAGE_INITIATOR_SEAL; + } + + p += sizeof(*token); + len = input_message_buffer->length; + len -= (p - (u_char *)input_message_buffer->value); + + if (token_flags & CFXSealed) { + /* + * this is really ugly, but needed against windows + * for DCERPC, as windows rotates by EC+RRC. + */ + if (IS_DCE_STYLE(context_handle)) { + *minor_status = rrc_rotate(p, len, rrc+ec, TRUE); + } else { + *minor_status = rrc_rotate(p, len, rrc, TRUE); + } + if (*minor_status != 0) { + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + ret = krb5_decrypt(context, crypto, usage, + p, len, &data); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + return GSS_S_BAD_MIC; + } + + /* Check that there is room for the pad and token header */ + if (data.length < ec + sizeof(*token)) { + krb5_crypto_destroy(context, crypto); + krb5_data_free(&data); + return GSS_S_DEFECTIVE_TOKEN; + } + p = data.data; + p += data.length - sizeof(*token); + + /* RRC is unprotected; don't modify input buffer */ + ((gss_cfx_wrap_token)p)->RRC[0] = token->RRC[0]; + ((gss_cfx_wrap_token)p)->RRC[1] = token->RRC[1]; + + /* Check the integrity of the header */ + if (memcmp(p, token, sizeof(*token)) != 0) { + krb5_crypto_destroy(context, crypto); + krb5_data_free(&data); + return GSS_S_BAD_MIC; + } + + output_message_buffer->value = data.data; + output_message_buffer->length = data.length - ec - sizeof(*token); + } else { + Checksum cksum; + + /* Rotate by RRC; bogus to do this in-place XXX */ + *minor_status = rrc_rotate(p, len, rrc, TRUE); + if (*minor_status != 0) { + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + /* Determine checksum type */ + ret = krb5_crypto_get_checksum_type(context, + crypto, &cksum.cksumtype); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + cksum.checksum.length = ec; + + /* Check we have at least as much data as the checksum */ + if (len < cksum.checksum.length) { + *minor_status = ERANGE; + krb5_crypto_destroy(context, crypto); + return GSS_S_BAD_MIC; + } + + /* Length now is of the plaintext only, no checksum */ + len -= cksum.checksum.length; + cksum.checksum.data = p + len; + + output_message_buffer->length = len; /* for later */ + output_message_buffer->value = malloc(len + sizeof(*token)); + if (output_message_buffer->value == NULL) { + *minor_status = ENOMEM; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + /* Checksum is over (plaintext-data | "header") */ + memcpy(output_message_buffer->value, p, len); + memcpy((u_char *)output_message_buffer->value + len, + token, sizeof(*token)); + + /* EC is not included in checksum calculation */ + token = (gss_cfx_wrap_token)((u_char *)output_message_buffer->value + + len); + token->EC[0] = 0; + token->EC[1] = 0; + token->RRC[0] = 0; + token->RRC[1] = 0; + + ret = krb5_verify_checksum(context, crypto, + usage, + output_message_buffer->value, + len + sizeof(*token), + &cksum); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + _gsskrb5_release_buffer(minor_status, output_message_buffer); + return GSS_S_BAD_MIC; + } + } + + krb5_crypto_destroy(context, crypto); + + if (qop_state != NULL) { + *qop_state = GSS_C_QOP_DEFAULT; + } + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 _gssapi_mic_cfx(OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token, + krb5_keyblock *key) +{ + krb5_crypto crypto; + gss_cfx_mic_token token; + krb5_error_code ret; + unsigned usage; + Checksum cksum; + u_char *buf; + size_t len; + int32_t seq_number; + + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret != 0) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + len = message_buffer->length + sizeof(*token); + buf = malloc(len); + if (buf == NULL) { + *minor_status = ENOMEM; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + memcpy(buf, message_buffer->value, message_buffer->length); + + token = (gss_cfx_mic_token)(buf + message_buffer->length); + token->TOK_ID[0] = 0x04; + token->TOK_ID[1] = 0x04; + token->Flags = 0; + if ((context_handle->more_flags & LOCAL) == 0) + token->Flags |= CFXSentByAcceptor; + if (context_handle->more_flags & ACCEPTOR_SUBKEY) + token->Flags |= CFXAcceptorSubkey; + memset(token->Filler, 0xFF, 5); + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + krb5_auth_con_getlocalseqnumber(context, + context_handle->auth_context, + &seq_number); + _gsskrb5_encode_be_om_uint32(0, &token->SND_SEQ[0]); + _gsskrb5_encode_be_om_uint32(seq_number, &token->SND_SEQ[4]); + krb5_auth_con_setlocalseqnumber(context, + context_handle->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + if (context_handle->more_flags & LOCAL) { + usage = KRB5_KU_USAGE_INITIATOR_SIGN; + } else { + usage = KRB5_KU_USAGE_ACCEPTOR_SIGN; + } + + ret = krb5_create_checksum(context, crypto, + usage, 0, buf, len, &cksum); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + free(buf); + return GSS_S_FAILURE; + } + krb5_crypto_destroy(context, crypto); + + /* Determine MIC length */ + message_token->length = sizeof(*token) + cksum.checksum.length; + message_token->value = malloc(message_token->length); + if (message_token->value == NULL) { + *minor_status = ENOMEM; + free_Checksum(&cksum); + free(buf); + return GSS_S_FAILURE; + } + + /* Token is { "header" | get_mic("header" | plaintext-data) } */ + memcpy(message_token->value, token, sizeof(*token)); + memcpy((u_char *)message_token->value + sizeof(*token), + cksum.checksum.data, cksum.checksum.length); + + free_Checksum(&cksum); + free(buf); + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 _gssapi_verify_mic_cfx(OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t *qop_state, + krb5_keyblock *key) +{ + krb5_crypto crypto; + gss_cfx_mic_token token; + u_char token_flags; + krb5_error_code ret; + unsigned usage; + OM_uint32 seq_number_lo, seq_number_hi; + u_char *buf, *p; + Checksum cksum; + + *minor_status = 0; + + if (token_buffer->length < sizeof(*token)) { + return GSS_S_DEFECTIVE_TOKEN; + } + + p = token_buffer->value; + + token = (gss_cfx_mic_token)p; + + if (token->TOK_ID[0] != 0x04 || token->TOK_ID[1] != 0x04) { + return GSS_S_DEFECTIVE_TOKEN; + } + + /* Ignore unknown flags */ + token_flags = token->Flags & (CFXSentByAcceptor | CFXAcceptorSubkey); + + if (token_flags & CFXSentByAcceptor) { + if ((context_handle->more_flags & LOCAL) == 0) + return GSS_S_DEFECTIVE_TOKEN; + } + if (context_handle->more_flags & ACCEPTOR_SUBKEY) { + if ((token_flags & CFXAcceptorSubkey) == 0) + return GSS_S_DEFECTIVE_TOKEN; + } else { + if (token_flags & CFXAcceptorSubkey) + return GSS_S_DEFECTIVE_TOKEN; + } + + if (memcmp(token->Filler, "\xff\xff\xff\xff\xff", 5) != 0) { + return GSS_S_DEFECTIVE_TOKEN; + } + + /* + * Check sequence number + */ + _gsskrb5_decode_be_om_uint32(&token->SND_SEQ[0], &seq_number_hi); + _gsskrb5_decode_be_om_uint32(&token->SND_SEQ[4], &seq_number_lo); + if (seq_number_hi) { + *minor_status = ERANGE; + return GSS_S_UNSEQ_TOKEN; + } + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + ret = _gssapi_msg_order_check(context_handle->order, seq_number_lo); + if (ret != 0) { + *minor_status = 0; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return ret; + } + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + /* + * Verify checksum + */ + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret != 0) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = krb5_crypto_get_checksum_type(context, crypto, + &cksum.cksumtype); + if (ret != 0) { + *minor_status = ret; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + + cksum.checksum.data = p + sizeof(*token); + cksum.checksum.length = token_buffer->length - sizeof(*token); + + if (context_handle->more_flags & LOCAL) { + usage = KRB5_KU_USAGE_ACCEPTOR_SIGN; + } else { + usage = KRB5_KU_USAGE_INITIATOR_SIGN; + } + + buf = malloc(message_buffer->length + sizeof(*token)); + if (buf == NULL) { + *minor_status = ENOMEM; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + memcpy(buf, message_buffer->value, message_buffer->length); + memcpy(buf + message_buffer->length, token, sizeof(*token)); + + ret = krb5_verify_checksum(context, crypto, + usage, + buf, + sizeof(*token) + message_buffer->length, + &cksum); + krb5_crypto_destroy(context, crypto); + if (ret != 0) { + *minor_status = ret; + free(buf); + return GSS_S_BAD_MIC; + } + + free(buf); + + if (qop_state != NULL) { + *qop_state = GSS_C_QOP_DEFAULT; + } + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/cfx.h b/source4/heimdal/lib/gssapi/krb5/cfx.h new file mode 100644 index 0000000000..c30ed07840 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/cfx.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2003, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#ifndef GSSAPI_CFX_H_ +#define GSSAPI_CFX_H_ 1 + +/* + * Implementation of draft-ietf-krb-wg-gssapi-cfx-01.txt + */ + +typedef struct gss_cfx_mic_token_desc_struct { + u_char TOK_ID[2]; /* 04 04 */ + u_char Flags; + u_char Filler[5]; + u_char SND_SEQ[8]; +} gss_cfx_mic_token_desc, *gss_cfx_mic_token; + +typedef struct gss_cfx_wrap_token_desc_struct { + u_char TOK_ID[2]; /* 04 05 */ + u_char Flags; + u_char Filler; + u_char EC[2]; + u_char RRC[2]; + u_char SND_SEQ[8]; +} gss_cfx_wrap_token_desc, *gss_cfx_wrap_token; + +typedef struct gss_cfx_delete_token_desc_struct { + u_char TOK_ID[2]; /* 05 04 */ + u_char Flags; + u_char Filler[5]; + u_char SND_SEQ[8]; +} gss_cfx_delete_token_desc, *gss_cfx_delete_token; + +#endif /* GSSAPI_CFX_H_ */ diff --git a/source4/heimdal/lib/gssapi/krb5/compare_name.c b/source4/heimdal/lib/gssapi/krb5/compare_name.c new file mode 100644 index 0000000000..a5406a7f2a --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/compare_name.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_compare_name + (OM_uint32 * minor_status, + const gss_name_t name1, + const gss_name_t name2, + int * name_equal + ) +{ + krb5_const_principal princ1 = (krb5_const_principal)name1; + krb5_const_principal princ2 = (krb5_const_principal)name2; + krb5_context context; + + GSSAPI_KRB5_INIT(&context); + + *name_equal = krb5_principal_compare (context, + princ1, princ2); + *minor_status = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/compat.c b/source4/heimdal/lib/gssapi/krb5/compat.c new file mode 100644 index 0000000000..0caada04f6 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/compat.c @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2003 - 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + + +static krb5_error_code +check_compat(OM_uint32 *minor_status, + krb5_context context, krb5_const_principal name, + const char *option, krb5_boolean *compat, + krb5_boolean match_val) +{ + krb5_error_code ret = 0; + char **p, **q; + krb5_principal match; + + + p = krb5_config_get_strings(context, NULL, "gssapi", + option, NULL); + if(p == NULL) + return 0; + + match = NULL; + for(q = p; *q; q++) { + ret = krb5_parse_name(context, *q, &match); + if (ret) + break; + + if (krb5_principal_match(context, name, match)) { + *compat = match_val; + break; + } + + krb5_free_principal(context, match); + match = NULL; + } + if (match) + krb5_free_principal(context, match); + krb5_config_free_strings(p); + + if (ret) { + if (minor_status) + *minor_status = ret; + return GSS_S_FAILURE; + } + + return 0; +} + +/* + * ctx->ctx_id_mutex is assumed to be locked + */ + +OM_uint32 +_gss_DES3_get_mic_compat(OM_uint32 *minor_status, + gsskrb5_ctx ctx, + krb5_context context) +{ + krb5_boolean use_compat = FALSE; + OM_uint32 ret; + + if ((ctx->more_flags & COMPAT_OLD_DES3_SELECTED) == 0) { + ret = check_compat(minor_status, context, ctx->target, + "broken_des3_mic", &use_compat, TRUE); + if (ret) + return ret; + ret = check_compat(minor_status, context, ctx->target, + "correct_des3_mic", &use_compat, FALSE); + if (ret) + return ret; + + if (use_compat) + ctx->more_flags |= COMPAT_OLD_DES3; + ctx->more_flags |= COMPAT_OLD_DES3_SELECTED; + } + return 0; +} + +#if 0 +OM_uint32 +gss_krb5_compat_des3_mic(OM_uint32 *minor_status, gss_ctx_id_t ctx, int on) +{ + *minor_status = 0; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + if (on) { + ctx->more_flags |= COMPAT_OLD_DES3; + } else { + ctx->more_flags &= ~COMPAT_OLD_DES3; + } + ctx->more_flags |= COMPAT_OLD_DES3_SELECTED; + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + return 0; +} +#endif diff --git a/source4/heimdal/lib/gssapi/krb5/context_time.c b/source4/heimdal/lib/gssapi/krb5/context_time.c new file mode 100644 index 0000000000..7f70be733e --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/context_time.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 +_gsskrb5_lifetime_left(OM_uint32 *minor_status, + krb5_context context, + OM_uint32 lifetime, + OM_uint32 *lifetime_rec) +{ + krb5_timestamp timeret; + krb5_error_code kret; + + if (lifetime == 0) { + *lifetime_rec = GSS_C_INDEFINITE; + return GSS_S_COMPLETE; + } + + kret = krb5_timeofday(context, &timeret); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + if (lifetime < timeret) + *lifetime_rec = 0; + else + *lifetime_rec = lifetime - timeret; + + return GSS_S_COMPLETE; +} + + +OM_uint32 _gsskrb5_context_time + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + OM_uint32 * time_rec + ) +{ + krb5_context context; + OM_uint32 lifetime; + OM_uint32 major_status; + const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle; + + GSSAPI_KRB5_INIT (&context); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + lifetime = ctx->lifetime; + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + major_status = _gsskrb5_lifetime_left(minor_status, context, + lifetime, time_rec); + if (major_status != GSS_S_COMPLETE) + return major_status; + + *minor_status = 0; + + if (*time_rec == 0) + return GSS_S_CONTEXT_EXPIRED; + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/copy_ccache.c b/source4/heimdal/lib/gssapi/krb5/copy_ccache.c new file mode 100644 index 0000000000..fd348e841b --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/copy_ccache.c @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +#if 0 +OM_uint32 +gss_krb5_copy_ccache(OM_uint32 *minor_status, + krb5_context context, + gss_cred_id_t cred, + krb5_ccache out) +{ + krb5_error_code kret; + + HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); + + if (cred->ccache == NULL) { + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + kret = krb5_cc_copy_cache(context, cred->ccache, out); + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + *minor_status = 0; + return GSS_S_COMPLETE; +} +#endif + + +OM_uint32 +_gsskrb5_import_cred(OM_uint32 *minor_status, + krb5_ccache id, + krb5_principal keytab_principal, + krb5_keytab keytab, + gss_cred_id_t *cred) +{ + krb5_context context; + krb5_error_code kret; + gsskrb5_cred handle; + OM_uint32 ret; + + *cred = NULL; + + GSSAPI_KRB5_INIT (&context); + + handle = calloc(1, sizeof(*handle)); + if (handle == NULL) { + _gsskrb5_clear_status (); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + HEIMDAL_MUTEX_init(&handle->cred_id_mutex); + + handle->usage = 0; + + if (id) { + char *str; + + handle->usage |= GSS_C_INITIATE; + + kret = krb5_cc_get_principal(context, id, + &handle->principal); + if (kret) { + free(handle); + *minor_status = kret; + return GSS_S_FAILURE; + } + + if (keytab_principal) { + krb5_boolean match; + + match = krb5_principal_compare(context, + handle->principal, + keytab_principal); + if (match == FALSE) { + krb5_free_principal(context, handle->principal); + free(handle); + _gsskrb5_clear_status (); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + } + + ret = __gsskrb5_ccache_lifetime(minor_status, + context, + id, + handle->principal, + &handle->lifetime); + if (ret != GSS_S_COMPLETE) { + krb5_free_principal(context, handle->principal); + free(handle); + return ret; + } + + + kret = krb5_cc_get_full_name(context, id, &str); + if (kret) + goto out; + + kret = krb5_cc_resolve(context, str, &handle->ccache); + free(str); + if (kret) + goto out; + } + + + if (keytab) { + char *str; + + handle->usage |= GSS_C_ACCEPT; + + if (keytab_principal && handle->principal == NULL) { + kret = krb5_copy_principal(context, + keytab_principal, + &handle->principal); + if (kret) + goto out; + } + + kret = krb5_kt_get_full_name(context, keytab, &str); + if (kret) + goto out; + + kret = krb5_kt_resolve(context, str, &handle->keytab); + free(str); + if (kret) + goto out; + } + + + if (id || keytab) { + ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms); + if (ret == GSS_S_COMPLETE) + ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM, + &handle->mechanisms); + if (ret != GSS_S_COMPLETE) { + kret = *minor_status; + goto out; + } + } + + *minor_status = 0; + *cred = (gss_cred_id_t)handle; + return GSS_S_COMPLETE; + +out: + gss_release_oid_set(minor_status, &handle->mechanisms); + if (handle->ccache) + krb5_cc_close(context, handle->ccache); + if (handle->keytab) + krb5_kt_close(context, handle->keytab); + if (handle->principal) + krb5_free_principal(context, handle->principal); + HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); + free(handle); + *minor_status = kret; + return GSS_S_FAILURE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/decapsulate.c b/source4/heimdal/lib/gssapi/krb5/decapsulate.c new file mode 100644 index 0000000000..419e61a436 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/decapsulate.c @@ -0,0 +1,209 @@ +/* + * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +/* + * return the length of the mechanism in token or -1 + * (which implies that the token was bad - GSS_S_DEFECTIVE_TOKEN + */ + +ssize_t +_gsskrb5_get_mech (const u_char *ptr, + size_t total_len, + const u_char **mech_ret) +{ + size_t len, len_len, mech_len, foo; + const u_char *p = ptr; + int e; + + if (total_len < 1) + return -1; + if (*p++ != 0x60) + return -1; + e = der_get_length (p, total_len - 1, &len, &len_len); + if (e || 1 + len_len + len != total_len) + return -1; + p += len_len; + if (*p++ != 0x06) + return -1; + e = der_get_length (p, total_len - 1 - len_len - 1, + &mech_len, &foo); + if (e) + return -1; + p += foo; + *mech_ret = p; + return mech_len; +} + +OM_uint32 +_gssapi_verify_mech_header(u_char **str, + size_t total_len, + gss_OID mech) +{ + const u_char *p; + ssize_t mech_len; + + mech_len = _gsskrb5_get_mech (*str, total_len, &p); + if (mech_len < 0) + return GSS_S_DEFECTIVE_TOKEN; + + if (mech_len != mech->length) + return GSS_S_BAD_MECH; + if (memcmp(p, + mech->elements, + mech->length) != 0) + return GSS_S_BAD_MECH; + p += mech_len; + *str = rk_UNCONST(p); + return GSS_S_COMPLETE; +} + +OM_uint32 +_gsskrb5_verify_header(u_char **str, + size_t total_len, + const void *type, + gss_OID oid) +{ + OM_uint32 ret; + size_t len; + u_char *p = *str; + + ret = _gssapi_verify_mech_header(str, total_len, oid); + if (ret) + return ret; + + len = total_len - (*str - p); + + if (len < 2) + return GSS_S_DEFECTIVE_TOKEN; + + if (memcmp (*str, type, 2) != 0) + return GSS_S_DEFECTIVE_TOKEN; + *str += 2; + + return 0; +} + +/* + * Remove the GSS-API wrapping from `in_token' giving `out_data. + * Does not copy data, so just free `in_token'. + */ + +OM_uint32 +_gssapi_decapsulate( + OM_uint32 *minor_status, + gss_buffer_t input_token_buffer, + krb5_data *out_data, + const gss_OID mech +) +{ + u_char *p; + OM_uint32 ret; + + p = input_token_buffer->value; + ret = _gssapi_verify_mech_header(&p, + input_token_buffer->length, + mech); + if (ret) { + *minor_status = 0; + return ret; + } + + out_data->length = input_token_buffer->length - + (p - (u_char *)input_token_buffer->value); + out_data->data = p; + return GSS_S_COMPLETE; +} + +/* + * Remove the GSS-API wrapping from `in_token' giving `out_data. + * Does not copy data, so just free `in_token'. + */ + +OM_uint32 +_gsskrb5_decapsulate(OM_uint32 *minor_status, + gss_buffer_t input_token_buffer, + krb5_data *out_data, + const void *type, + gss_OID oid) +{ + u_char *p; + OM_uint32 ret; + + p = input_token_buffer->value; + ret = _gsskrb5_verify_header(&p, + input_token_buffer->length, + type, + oid); + if (ret) { + *minor_status = 0; + return ret; + } + + out_data->length = input_token_buffer->length - + (p - (u_char *)input_token_buffer->value); + out_data->data = p; + return GSS_S_COMPLETE; +} + +/* + * Verify padding of a gss wrapped message and return its length. + */ + +OM_uint32 +_gssapi_verify_pad(gss_buffer_t wrapped_token, + size_t datalen, + size_t *padlen) +{ + u_char *pad; + size_t padlength; + int i; + + pad = (u_char *)wrapped_token->value + wrapped_token->length - 1; + padlength = *pad; + + if (padlength > datalen) + return GSS_S_BAD_MECH; + + for (i = padlength; i > 0 && *pad == padlength; i--, pad--) + ; + if (i != 0) + return GSS_S_BAD_MIC; + + *padlen = padlength; + + return 0; +} diff --git a/source4/heimdal/lib/gssapi/krb5/delete_sec_context.c b/source4/heimdal/lib/gssapi/krb5/delete_sec_context.c new file mode 100644 index 0000000000..ec680d7378 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/delete_sec_context.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 +_gsskrb5_delete_sec_context(OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + gss_buffer_t output_token) +{ + krb5_context context; + gsskrb5_ctx ctx; + + GSSAPI_KRB5_INIT (&context); + + *minor_status = 0; + + if (output_token) { + output_token->length = 0; + output_token->value = NULL; + } + + if (*context_handle == GSS_C_NO_CONTEXT) + return GSS_S_COMPLETE; + + ctx = (gsskrb5_ctx) *context_handle; + *context_handle = GSS_C_NO_CONTEXT; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + krb5_auth_con_free (context, ctx->auth_context); + if (ctx->kcred) + krb5_free_creds(context, ctx->kcred); + if(ctx->source) + krb5_free_principal (context, ctx->source); + if(ctx->target) + krb5_free_principal (context, ctx->target); + if (ctx->ticket) + krb5_free_ticket (context, ctx->ticket); + if(ctx->order) + _gssapi_msg_order_destroy(&ctx->order); + if (ctx->service_keyblock) + krb5_free_keyblock (context, ctx->service_keyblock); + krb5_data_free(&ctx->fwd_data); + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex); + memset(ctx, 0, sizeof(*ctx)); + free (ctx); + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/display_name.c b/source4/heimdal/lib/gssapi/krb5/display_name.c new file mode 100644 index 0000000000..a902ff7ea5 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/display_name.c @@ -0,0 +1,74 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_display_name + (OM_uint32 * minor_status, + const gss_name_t input_name, + gss_buffer_t output_name_buffer, + gss_OID * output_name_type + ) +{ + krb5_context context; + krb5_const_principal name = (krb5_const_principal)input_name; + krb5_error_code kret; + char *buf; + size_t len; + + GSSAPI_KRB5_INIT (&context); + + kret = krb5_unparse_name_flags (context, name, + KRB5_PRINCIPAL_UNPARSE_DISPLAY, &buf); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + len = strlen (buf); + output_name_buffer->length = len; + output_name_buffer->value = malloc(len + 1); + if (output_name_buffer->value == NULL) { + free (buf); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy (output_name_buffer->value, buf, len); + ((char *)output_name_buffer->value)[len] = '\0'; + free (buf); + if (output_name_type) + *output_name_type = GSS_KRB5_NT_PRINCIPAL_NAME; + *minor_status = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/display_status.c b/source4/heimdal/lib/gssapi/krb5/display_status.c new file mode 100644 index 0000000000..52a651c506 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/display_status.c @@ -0,0 +1,199 @@ +/* + * Copyright (c) 1998 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static const char * +calling_error(OM_uint32 v) +{ + static const char *msgs[] = { + NULL, /* 0 */ + "A required input parameter could not be read.", /* */ + "A required output parameter could not be written.", /* */ + "A parameter was malformed" + }; + + v >>= GSS_C_CALLING_ERROR_OFFSET; + + if (v == 0) + return ""; + else if (v >= sizeof(msgs)/sizeof(*msgs)) + return "unknown calling error"; + else + return msgs[v]; +} + +static const char * +routine_error(OM_uint32 v) +{ + static const char *msgs[] = { + NULL, /* 0 */ + "An unsupported mechanism was requested", + "An invalid name was supplied", + "A supplied name was of an unsupported type", + "Incorrect channel bindings were supplied", + "An invalid status code was supplied", + "A token had an invalid MIC", + "No credentials were supplied, " + "or the credentials were unavailable or inaccessible.", + "No context has been established", + "A token was invalid", + "A credential was invalid", + "The referenced credentials have expired", + "The context has expired", + "Miscellaneous failure (see text)", + "The quality-of-protection requested could not be provide", + "The operation is forbidden by local security policy", + "The operation or option is not available", + "The requested credential element already exists", + "The provided name was not a mechanism name.", + }; + + v >>= GSS_C_ROUTINE_ERROR_OFFSET; + + if (v == 0) + return ""; + else if (v >= sizeof(msgs)/sizeof(*msgs)) + return "unknown routine error"; + else + return msgs[v]; +} + +static const char * +supplementary_error(OM_uint32 v) +{ + static const char *msgs[] = { + "normal completion", + "continuation call to routine required", + "duplicate per-message token detected", + "timed-out per-message token detected", + "reordered (early) per-message token detected", + "skipped predecessor token(s) detected" + }; + + v >>= GSS_C_SUPPLEMENTARY_OFFSET; + + if (v >= sizeof(msgs)/sizeof(*msgs)) + return "unknown routine error"; + else + return msgs[v]; +} + +void +_gsskrb5_clear_status (void) +{ + krb5_context context; + + if (_gsskrb5_init (&context) != 0) + return; + krb5_clear_error_string(context); +} + +void +_gsskrb5_set_status (int ret, const char *fmt, ...) +{ + krb5_context context; + va_list args; + char *str; + + if (_gsskrb5_init (&context) != 0) + return; + + va_start(args, fmt); + vasprintf(&str, fmt, args); + va_end(args); + if (str) { + krb5_set_error_message(context, ret, str); + free(str); + } +} + +OM_uint32 _gsskrb5_display_status +(OM_uint32 *minor_status, + OM_uint32 status_value, + int status_type, + const gss_OID mech_type, + OM_uint32 *message_context, + gss_buffer_t status_string) +{ + krb5_context context; + char *buf; + + GSSAPI_KRB5_INIT (&context); + + status_string->length = 0; + status_string->value = NULL; + + if (gss_oid_equal(mech_type, GSS_C_NO_OID) == 0 && + gss_oid_equal(mech_type, GSS_KRB5_MECHANISM) == 0) { + *minor_status = 0; + return GSS_C_GSS_CODE; + } + + if (status_type == GSS_C_GSS_CODE) { + if (GSS_SUPPLEMENTARY_INFO(status_value)) + asprintf(&buf, "%s", + supplementary_error(GSS_SUPPLEMENTARY_INFO(status_value))); + else + asprintf (&buf, "%s %s", + calling_error(GSS_CALLING_ERROR(status_value)), + routine_error(GSS_ROUTINE_ERROR(status_value))); + } else if (status_type == GSS_C_MECH_CODE) { + const char *buf2 = krb5_get_error_message(context, status_value); + if (buf2) { + buf = strdup(buf2); + krb5_free_error_message(context, buf2); + } else { + asprintf(&buf, "unknown mech error-code %u", + (unsigned)status_value); + } + } else { + *minor_status = EINVAL; + return GSS_S_BAD_STATUS; + } + + if (buf == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + *message_context = 0; + *minor_status = 0; + + status_string->length = strlen(buf); + status_string->value = buf; + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/duplicate_name.c b/source4/heimdal/lib/gssapi/krb5/duplicate_name.c new file mode 100644 index 0000000000..eeb777ed5f --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/duplicate_name.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_duplicate_name ( + OM_uint32 * minor_status, + const gss_name_t src_name, + gss_name_t * dest_name + ) +{ + krb5_const_principal src = (krb5_const_principal)src_name; + krb5_context context; + krb5_principal dest; + krb5_error_code kret; + + GSSAPI_KRB5_INIT (&context); + + kret = krb5_copy_principal (context, src, &dest); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } else { + *dest_name = (gss_name_t)dest; + *minor_status = 0; + return GSS_S_COMPLETE; + } +} diff --git a/source4/heimdal/lib/gssapi/krb5/encapsulate.c b/source4/heimdal/lib/gssapi/krb5/encapsulate.c new file mode 100644 index 0000000000..3f42899a40 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/encapsulate.c @@ -0,0 +1,155 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +void +_gssapi_encap_length (size_t data_len, + size_t *len, + size_t *total_len, + const gss_OID mech) +{ + size_t len_len; + + *len = 1 + 1 + mech->length + data_len; + + len_len = der_length_len(*len); + + *total_len = 1 + len_len + *len; +} + +void +_gsskrb5_encap_length (size_t data_len, + size_t *len, + size_t *total_len, + const gss_OID mech) +{ + _gssapi_encap_length(data_len + 2, len, total_len, mech); +} + +void * +_gsskrb5_make_header (void *ptr, + size_t len, + const void *type, + const gss_OID mech) +{ + u_char *p = ptr; + p = _gssapi_make_mech_header(p, len, mech); + memcpy (p, type, 2); + p += 2; + return p; +} + +void * +_gssapi_make_mech_header(void *ptr, + size_t len, + const gss_OID mech) +{ + u_char *p = ptr; + int e; + size_t len_len, foo; + + *p++ = 0x60; + len_len = der_length_len(len); + e = der_put_length (p + len_len - 1, len_len, len, &foo); + if(e || foo != len_len) + abort (); + p += len_len; + *p++ = 0x06; + *p++ = mech->length; + memcpy (p, mech->elements, mech->length); + p += mech->length; + return p; +} + +/* + * Give it a krb5_data and it will encapsulate with extra GSS-API wrappings. + */ + +OM_uint32 +_gssapi_encapsulate( + OM_uint32 *minor_status, + const krb5_data *in_data, + gss_buffer_t output_token, + const gss_OID mech +) +{ + size_t len, outer_len; + void *p; + + _gssapi_encap_length (in_data->length, &len, &outer_len, mech); + + output_token->length = outer_len; + output_token->value = malloc (outer_len); + if (output_token->value == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = _gssapi_make_mech_header (output_token->value, len, mech); + memcpy (p, in_data->data, in_data->length); + return GSS_S_COMPLETE; +} + +/* + * Give it a krb5_data and it will encapsulate with extra GSS-API krb5 + * wrappings. + */ + +OM_uint32 +_gsskrb5_encapsulate( + OM_uint32 *minor_status, + const krb5_data *in_data, + gss_buffer_t output_token, + const void *type, + const gss_OID mech +) +{ + size_t len, outer_len; + u_char *p; + + _gsskrb5_encap_length (in_data->length, &len, &outer_len, mech); + + output_token->length = outer_len; + output_token->value = malloc (outer_len); + if (output_token->value == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = _gsskrb5_make_header (output_token->value, len, type, mech); + memcpy (p, in_data->data, in_data->length); + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/export_name.c b/source4/heimdal/lib/gssapi/krb5/export_name.c new file mode 100644 index 0000000000..92ee101b0d --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/export_name.c @@ -0,0 +1,94 @@ +/* + * Copyright (c) 1997, 1999, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_export_name + (OM_uint32 * minor_status, + const gss_name_t input_name, + gss_buffer_t exported_name + ) +{ + krb5_context context; + krb5_const_principal princ = (krb5_const_principal)input_name; + krb5_error_code kret; + char *buf, *name; + size_t len; + + GSSAPI_KRB5_INIT (&context); + + kret = krb5_unparse_name (context, princ, &name); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + len = strlen (name); + + exported_name->length = 10 + len + GSS_KRB5_MECHANISM->length; + exported_name->value = malloc(exported_name->length); + if (exported_name->value == NULL) { + free (name); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + /* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */ + + buf = exported_name->value; + memcpy(buf, "\x04\x01", 2); + buf += 2; + buf[0] = ((GSS_KRB5_MECHANISM->length + 2) >> 8) & 0xff; + buf[1] = (GSS_KRB5_MECHANISM->length + 2) & 0xff; + buf+= 2; + buf[0] = 0x06; + buf[1] = (GSS_KRB5_MECHANISM->length) & 0xFF; + buf+= 2; + + memcpy(buf, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length); + buf += GSS_KRB5_MECHANISM->length; + + buf[0] = (len >> 24) & 0xff; + buf[1] = (len >> 16) & 0xff; + buf[2] = (len >> 8) & 0xff; + buf[3] = (len) & 0xff; + buf += 4; + + memcpy (buf, name, len); + + free (name); + + *minor_status = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/export_sec_context.c b/source4/heimdal/lib/gssapi/krb5/export_sec_context.c new file mode 100644 index 0000000000..2bc50a04ee --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/export_sec_context.c @@ -0,0 +1,240 @@ +/* + * Copyright (c) 1999 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 +_gsskrb5_export_sec_context ( + OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + gss_buffer_t interprocess_token + ) +{ + krb5_context context; + const gsskrb5_ctx ctx = (const gsskrb5_ctx) *context_handle; + krb5_storage *sp; + krb5_auth_context ac; + OM_uint32 ret = GSS_S_COMPLETE; + krb5_data data; + gss_buffer_desc buffer; + int flags; + OM_uint32 minor; + krb5_error_code kret; + + GSSAPI_KRB5_INIT (&context); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + if (!(ctx->flags & GSS_C_TRANS_FLAG)) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + *minor_status = 0; + return GSS_S_UNAVAILABLE; + } + + sp = krb5_storage_emem (); + if (sp == NULL) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + ac = ctx->auth_context; + + /* flagging included fields */ + + flags = 0; + if (ac->local_address) + flags |= SC_LOCAL_ADDRESS; + if (ac->remote_address) + flags |= SC_REMOTE_ADDRESS; + if (ac->keyblock) + flags |= SC_KEYBLOCK; + if (ac->local_subkey) + flags |= SC_LOCAL_SUBKEY; + if (ac->remote_subkey) + flags |= SC_REMOTE_SUBKEY; + + kret = krb5_store_int32 (sp, flags); + if (kret) { + *minor_status = kret; + goto failure; + } + + /* marshall auth context */ + + kret = krb5_store_int32 (sp, ac->flags); + if (kret) { + *minor_status = kret; + goto failure; + } + if (ac->local_address) { + kret = krb5_store_address (sp, *ac->local_address); + if (kret) { + *minor_status = kret; + goto failure; + } + } + if (ac->remote_address) { + kret = krb5_store_address (sp, *ac->remote_address); + if (kret) { + *minor_status = kret; + goto failure; + } + } + kret = krb5_store_int16 (sp, ac->local_port); + if (kret) { + *minor_status = kret; + goto failure; + } + kret = krb5_store_int16 (sp, ac->remote_port); + if (kret) { + *minor_status = kret; + goto failure; + } + if (ac->keyblock) { + kret = krb5_store_keyblock (sp, *ac->keyblock); + if (kret) { + *minor_status = kret; + goto failure; + } + } + if (ac->local_subkey) { + kret = krb5_store_keyblock (sp, *ac->local_subkey); + if (kret) { + *minor_status = kret; + goto failure; + } + } + if (ac->remote_subkey) { + kret = krb5_store_keyblock (sp, *ac->remote_subkey); + if (kret) { + *minor_status = kret; + goto failure; + } + } + kret = krb5_store_int32 (sp, ac->local_seqnumber); + if (kret) { + *minor_status = kret; + goto failure; + } + kret = krb5_store_int32 (sp, ac->remote_seqnumber); + if (kret) { + *minor_status = kret; + goto failure; + } + + kret = krb5_store_int32 (sp, ac->keytype); + if (kret) { + *minor_status = kret; + goto failure; + } + kret = krb5_store_int32 (sp, ac->cksumtype); + if (kret) { + *minor_status = kret; + goto failure; + } + + /* names */ + + ret = _gsskrb5_export_name (minor_status, + (gss_name_t)ctx->source, &buffer); + if (ret) + goto failure; + data.data = buffer.value; + data.length = buffer.length; + kret = krb5_store_data (sp, data); + _gsskrb5_release_buffer (&minor, &buffer); + if (kret) { + *minor_status = kret; + goto failure; + } + + ret = _gsskrb5_export_name (minor_status, + (gss_name_t)ctx->target, &buffer); + if (ret) + goto failure; + data.data = buffer.value; + data.length = buffer.length; + + ret = GSS_S_FAILURE; + + kret = krb5_store_data (sp, data); + _gsskrb5_release_buffer (&minor, &buffer); + if (kret) { + *minor_status = kret; + goto failure; + } + + kret = krb5_store_int32 (sp, ctx->flags); + if (kret) { + *minor_status = kret; + goto failure; + } + kret = krb5_store_int32 (sp, ctx->more_flags); + if (kret) { + *minor_status = kret; + goto failure; + } + kret = krb5_store_int32 (sp, ctx->lifetime); + if (kret) { + *minor_status = kret; + goto failure; + } + kret = _gssapi_msg_order_export(sp, ctx->order); + if (kret ) { + *minor_status = kret; + goto failure; + } + + kret = krb5_storage_to_data (sp, &data); + krb5_storage_free (sp); + if (kret) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + *minor_status = kret; + return GSS_S_FAILURE; + } + interprocess_token->length = data.length; + interprocess_token->value = data.data; + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + ret = _gsskrb5_delete_sec_context (minor_status, context_handle, + GSS_C_NO_BUFFER); + if (ret != GSS_S_COMPLETE) + _gsskrb5_release_buffer (NULL, interprocess_token); + *minor_status = 0; + return ret; + failure: + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + krb5_storage_free (sp); + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/external.c b/source4/heimdal/lib/gssapi/krb5/external.c new file mode 100644 index 0000000000..87e4aa01df --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/external.c @@ -0,0 +1,472 @@ +/* + * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" +#include <gssapi_mech.h> + +RCSID("$Id$"); + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x01"}, + * corresponding to an object-identifier value of + * {iso(1) member-body(2) United States(840) mit(113554) + * infosys(1) gssapi(2) generic(1) user_name(1)}. The constant + * GSS_C_NT_USER_NAME should be initialized to point + * to that gss_OID_desc. + */ + +static gss_OID_desc gss_c_nt_user_name_oid_desc = + {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x01")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_NT_USER_NAME = + &gss_c_nt_user_name_oid_desc; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x02"}, + * corresponding to an object-identifier value of + * {iso(1) member-body(2) United States(840) mit(113554) + * infosys(1) gssapi(2) generic(1) machine_uid_name(2)}. + * The constant GSS_C_NT_MACHINE_UID_NAME should be + * initialized to point to that gss_OID_desc. + */ + +static gss_OID_desc gss_c_nt_machine_uid_name_oid_desc = + {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x02")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_NT_MACHINE_UID_NAME = + &gss_c_nt_machine_uid_name_oid_desc; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x03"}, + * corresponding to an object-identifier value of + * {iso(1) member-body(2) United States(840) mit(113554) + * infosys(1) gssapi(2) generic(1) string_uid_name(3)}. + * The constant GSS_C_NT_STRING_UID_NAME should be + * initialized to point to that gss_OID_desc. + */ + +static gss_OID_desc gss_c_nt_string_uid_name_oid_desc = + {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x03")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_NT_STRING_UID_NAME = + &gss_c_nt_string_uid_name_oid_desc; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {6, (void *)"\x2b\x06\x01\x05\x06\x02"}, + * corresponding to an object-identifier value of + * {iso(1) org(3) dod(6) internet(1) security(5) + * nametypes(6) gss-host-based-services(2)). The constant + * GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point + * to that gss_OID_desc. This is a deprecated OID value, and + * implementations wishing to support hostbased-service names + * should instead use the GSS_C_NT_HOSTBASED_SERVICE OID, + * defined below, to identify such names; + * GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym + * for GSS_C_NT_HOSTBASED_SERVICE when presented as an input + * parameter, but should not be emitted by GSS-API + * implementations + */ + +static gss_OID_desc gss_c_nt_hostbased_service_x_oid_desc = + {6, rk_UNCONST("\x2b\x06\x01\x05\x06\x02")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_NT_HOSTBASED_SERVICE_X = + &gss_c_nt_hostbased_service_x_oid_desc; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" + * "\x01\x02\x01\x04"}, corresponding to an + * object-identifier value of {iso(1) member-body(2) + * Unites States(840) mit(113554) infosys(1) gssapi(2) + * generic(1) service_name(4)}. The constant + * GSS_C_NT_HOSTBASED_SERVICE should be initialized + * to point to that gss_OID_desc. + */ +static gss_OID_desc gss_c_nt_hostbased_service_oid_desc = + {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x04")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_NT_HOSTBASED_SERVICE = + &gss_c_nt_hostbased_service_oid_desc; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {6, (void *)"\x2b\x06\01\x05\x06\x03"}, + * corresponding to an object identifier value of + * {1(iso), 3(org), 6(dod), 1(internet), 5(security), + * 6(nametypes), 3(gss-anonymous-name)}. The constant + * and GSS_C_NT_ANONYMOUS should be initialized to point + * to that gss_OID_desc. + */ + +static gss_OID_desc gss_c_nt_anonymous_oid_desc = + {6, rk_UNCONST("\x2b\x06\01\x05\x06\x03")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_NT_ANONYMOUS = + &gss_c_nt_anonymous_oid_desc; + +/* + * The implementation must reserve static storage for a + * gss_OID_desc object containing the value + * {6, (void *)"\x2b\x06\x01\x05\x06\x04"}, + * corresponding to an object-identifier value of + * {1(iso), 3(org), 6(dod), 1(internet), 5(security), + * 6(nametypes), 4(gss-api-exported-name)}. The constant + * GSS_C_NT_EXPORT_NAME should be initialized to point + * to that gss_OID_desc. + */ + +static gss_OID_desc gss_c_nt_export_name_oid_desc = + {6, rk_UNCONST("\x2b\x06\x01\x05\x06\x04") }; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_NT_EXPORT_NAME = + &gss_c_nt_export_name_oid_desc; + +/* + * This name form shall be represented by the Object Identifier {iso(1) + * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) + * krb5(2) krb5_name(1)}. The recommended symbolic name for this type + * is "GSS_KRB5_NT_PRINCIPAL_NAME". + */ + +static gss_OID_desc gss_krb5_nt_principal_name_oid_desc = + {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x01") }; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_NT_PRINCIPAL_NAME = + &gss_krb5_nt_principal_name_oid_desc; + +/* + * This name form shall be represented by the Object Identifier {iso(1) + * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) + * generic(1) user_name(1)}. The recommended symbolic name for this + * type is "GSS_KRB5_NT_USER_NAME". + */ + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_NT_USER_NAME = + &gss_c_nt_user_name_oid_desc; + +/* + * This name form shall be represented by the Object Identifier {iso(1) + * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) + * generic(1) machine_uid_name(2)}. The recommended symbolic name for + * this type is "GSS_KRB5_NT_MACHINE_UID_NAME". + */ + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_NT_MACHINE_UID_NAME = + &gss_c_nt_machine_uid_name_oid_desc; + +/* + * This name form shall be represented by the Object Identifier {iso(1) + * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) + * generic(1) string_uid_name(3)}. The recommended symbolic name for + * this type is "GSS_KRB5_NT_STRING_UID_NAME". + */ + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_NT_STRING_UID_NAME = + &gss_c_nt_string_uid_name_oid_desc; + +/* + * To support ongoing experimentation, testing, and evolution of the + * specification, the Kerberos V5 GSS-API mechanism as defined in this + * and any successor memos will be identified with the following Object + * Identifier, as defined in RFC-1510, until the specification is + * advanced to the level of Proposed Standard RFC: + * + * {iso(1), org(3), dod(5), internet(1), security(5), kerberosv5(2)} + * + * Upon advancement to the level of Proposed Standard RFC, the Kerberos + * V5 GSS-API mechanism will be identified by an Object Identifier + * having the value: + * + * {iso(1) member-body(2) United States(840) mit(113554) infosys(1) + * gssapi(2) krb5(2)} + */ + +#if 0 /* This is the old OID */ + +static gss_OID_desc gss_krb5_mechanism_oid_desc = + {5, rk_UNCONST("\x2b\x05\x01\x05\x02")}; + +#endif + +static gss_OID_desc gss_krb5_mechanism_oid_desc = + {9, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12\x01\x02\x02") }; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_MECHANISM = + &gss_krb5_mechanism_oid_desc; + +/* + * draft-ietf-cat-iakerb-09, IAKERB: + * The mechanism ID for IAKERB proxy GSS-API Kerberos, in accordance + * with the mechanism proposed by SPNEGO [7] for negotiating protocol + * variations, is: {iso(1) org(3) dod(6) internet(1) security(5) + * mechanisms(5) iakerb(10) iakerbProxyProtocol(1)}. The proposed + * mechanism ID for IAKERB minimum messages GSS-API Kerberos, in + * accordance with the mechanism proposed by SPNEGO for negotiating + * protocol variations, is: {iso(1) org(3) dod(6) internet(1) + * security(5) mechanisms(5) iakerb(10) + * iakerbMinimumMessagesProtocol(2)}. + */ + +static gss_OID_desc gss_iakerb_proxy_mechanism_oid_desc = + {7, rk_UNCONST("\x2b\x06\x01\x05\x05\x0a\x01")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_IAKERB_PROXY_MECHANISM = + &gss_iakerb_proxy_mechanism_oid_desc; + +static gss_OID_desc gss_iakerb_min_msg_mechanism_oid_desc = + {7, rk_UNCONST("\x2b\x06\x01\x05\x05\x0a\x02") }; + +gss_OID GSSAPI_LIB_VARIABLE GSS_IAKERB_MIN_MSG_MECHANISM = + &gss_iakerb_min_msg_mechanism_oid_desc; + +/* + * + */ + +static gss_OID_desc gss_c_peer_has_updated_spnego_oid_desc = + {9, (void *)"\x2b\x06\x01\x04\x01\xa9\x4a\x13\x05"}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_C_PEER_HAS_UPDATED_SPNEGO = + &gss_c_peer_has_updated_spnego_oid_desc; + +/* + * 1.2.752.43.13 Heimdal GSS-API Extentions + */ + +/* 1.2.752.43.13.1 */ +static gss_OID_desc gss_krb5_copy_ccache_x_oid_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x01")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_COPY_CCACHE_X = + &gss_krb5_copy_ccache_x_oid_desc; + +/* 1.2.752.43.13.2 */ +static gss_OID_desc gss_krb5_get_tkt_flags_x_oid_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x02")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_GET_TKT_FLAGS_X = + &gss_krb5_get_tkt_flags_x_oid_desc; + +/* 1.2.752.43.13.3 */ +static gss_OID_desc gss_krb5_extract_authz_data_from_sec_context_x_oid_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x03")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT_X = + &gss_krb5_extract_authz_data_from_sec_context_x_oid_desc; + +/* 1.2.752.43.13.4 */ +static gss_OID_desc gss_krb5_compat_des3_mic_x_oid_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x04")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_COMPAT_DES3_MIC_X = + &gss_krb5_compat_des3_mic_x_oid_desc; + +/* 1.2.752.43.13.5 */ +static gss_OID_desc gss_krb5_register_acceptor_identity_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x05")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_REGISTER_ACCEPTOR_IDENTITY_X = + &gss_krb5_register_acceptor_identity_x_desc; + +/* 1.2.752.43.13.6 */ +static gss_OID_desc gss_krb5_export_lucid_context_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x06")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_EXPORT_LUCID_CONTEXT_X = + &gss_krb5_export_lucid_context_x_desc; + +/* 1.2.752.43.13.6.1 */ +static gss_OID_desc gss_krb5_export_lucid_context_v1_x_desc = + {7, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x06\x01")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_EXPORT_LUCID_CONTEXT_V1_X = + &gss_krb5_export_lucid_context_v1_x_desc; + +/* 1.2.752.43.13.7 */ +static gss_OID_desc gss_krb5_set_dns_canonicalize_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x07")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_SET_DNS_CANONICALIZE_X = + &gss_krb5_set_dns_canonicalize_x_desc; + +/* 1.2.752.43.13.8 */ +static gss_OID_desc gss_krb5_get_subkey_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x08")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_GET_SUBKEY_X = + &gss_krb5_get_subkey_x_desc; + +/* 1.2.752.43.13.9 */ +static gss_OID_desc gss_krb5_get_initiator_subkey_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x09")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_GET_INITIATOR_SUBKEY_X = + &gss_krb5_get_initiator_subkey_x_desc; + +/* 1.2.752.43.13.10 */ +static gss_OID_desc gss_krb5_get_acceptor_subkey_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x0a")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_GET_ACCEPTOR_SUBKEY_X = + &gss_krb5_get_acceptor_subkey_x_desc; + +/* 1.2.752.43.13.11 */ +static gss_OID_desc gss_krb5_send_to_kdc_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x0b")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_SEND_TO_KDC_X = + &gss_krb5_send_to_kdc_x_desc; + +/* 1.2.752.43.13.12 */ +static gss_OID_desc gss_krb5_get_authtime_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x0c")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_GET_AUTHTIME_X = + &gss_krb5_get_authtime_x_desc; + +/* 1.2.752.43.13.13 */ +static gss_OID_desc gss_krb5_get_service_keyblock_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x0d")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_GET_SERVICE_KEYBLOCK_X = + &gss_krb5_get_service_keyblock_x_desc; + +/* 1.2.752.43.13.14 */ +static gss_OID_desc gss_krb5_set_allowable_enctypes_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x0e")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X = + &gss_krb5_set_allowable_enctypes_x_desc; + +/* 1.2.752.43.13.15 */ +static gss_OID_desc gss_krb5_set_default_realm_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x0f")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_SET_DEFAULT_REALM_X = + &gss_krb5_set_default_realm_x_desc; + +/* 1.2.752.43.13.16 */ +static gss_OID_desc gss_krb5_ccache_name_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x10")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_CCACHE_NAME_X = + &gss_krb5_ccache_name_x_desc; + +/* 1.2.752.43.13.17 */ +static gss_OID_desc gss_krb5_set_time_offset_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x11")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_SET_TIME_OFFSET_X = + &gss_krb5_set_time_offset_x_desc; + +/* 1.2.752.43.13.18 */ +static gss_OID_desc gss_krb5_get_time_offset_x_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x12")}; + +gss_OID GSSAPI_LIB_VARIABLE GSS_KRB5_GET_TIME_OFFSET_X = + &gss_krb5_get_time_offset_x_desc; + +/* 1.2.752.43.14.1 */ +static gss_OID_desc gss_sasl_digest_md5_mechanism_desc = + {6, rk_UNCONST("\x2a\x85\x70\x2b\x0e\x01") }; + +gss_OID GSSAPI_LIB_VARIABLE GSS_SASL_DIGEST_MD5_MECHANISM = + &gss_sasl_digest_md5_mechanism_desc; + +/* + * Context for krb5 calls. + */ + +/* + * + */ + +static gssapi_mech_interface_desc krb5_mech = { + GMI_VERSION, + "kerberos 5", + {9, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02" }, + _gsskrb5_acquire_cred, + _gsskrb5_release_cred, + _gsskrb5_init_sec_context, + _gsskrb5_accept_sec_context, + _gsskrb5_process_context_token, + _gsskrb5_delete_sec_context, + _gsskrb5_context_time, + _gsskrb5_get_mic, + _gsskrb5_verify_mic, + _gsskrb5_wrap, + _gsskrb5_unwrap, + _gsskrb5_display_status, + _gsskrb5_indicate_mechs, + _gsskrb5_compare_name, + _gsskrb5_display_name, + _gsskrb5_import_name, + _gsskrb5_export_name, + _gsskrb5_release_name, + _gsskrb5_inquire_cred, + _gsskrb5_inquire_context, + _gsskrb5_wrap_size_limit, + _gsskrb5_add_cred, + _gsskrb5_inquire_cred_by_mech, + _gsskrb5_export_sec_context, + _gsskrb5_import_sec_context, + _gsskrb5_inquire_names_for_mech, + _gsskrb5_inquire_mechs_for_name, + _gsskrb5_canonicalize_name, + _gsskrb5_duplicate_name, + _gsskrb5_inquire_sec_context_by_oid, + _gsskrb5_inquire_cred_by_oid, + _gsskrb5_set_sec_context_option, + _gsskrb5_set_cred_option, + _gsskrb5_pseudo_random +}; + +gssapi_mech_interface +__gss_krb5_initialize(void) +{ + return &krb5_mech; +} diff --git a/source4/heimdal/lib/gssapi/krb5/get_mic.c b/source4/heimdal/lib/gssapi/krb5/get_mic.c new file mode 100644 index 0000000000..98a3f7e225 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/get_mic.c @@ -0,0 +1,317 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static OM_uint32 +mic_des + (OM_uint32 * minor_status, + const gsskrb5_ctx ctx, + krb5_context context, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token, + krb5_keyblock *key + ) +{ + u_char *p; + MD5_CTX md5; + u_char hash[16]; + DES_key_schedule schedule; + DES_cblock deskey; + DES_cblock zero; + int32_t seq_number; + size_t len, total_len; + + _gsskrb5_encap_length (22, &len, &total_len, GSS_KRB5_MECHANISM); + + message_token->length = total_len; + message_token->value = malloc (total_len); + if (message_token->value == NULL) { + message_token->length = 0; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = _gsskrb5_make_header(message_token->value, + len, + "\x01\x01", /* TOK_ID */ + GSS_KRB5_MECHANISM); + + memcpy (p, "\x00\x00", 2); /* SGN_ALG = DES MAC MD5 */ + p += 2; + + memcpy (p, "\xff\xff\xff\xff", 4); /* Filler */ + p += 4; + + /* Fill in later (SND-SEQ) */ + memset (p, 0, 16); + p += 16; + + /* checksum */ + MD5_Init (&md5); + MD5_Update (&md5, p - 24, 8); + MD5_Update (&md5, message_buffer->value, message_buffer->length); + MD5_Final (hash, &md5); + + memset (&zero, 0, sizeof(zero)); + memcpy (&deskey, key->keyvalue.data, sizeof(deskey)); + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_cksum ((void *)hash, (void *)hash, sizeof(hash), + &schedule, &zero); + memcpy (p - 8, hash, 8); /* SGN_CKSUM */ + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + /* sequence number */ + krb5_auth_con_getlocalseqnumber (context, + ctx->auth_context, + &seq_number); + + p -= 16; /* SND_SEQ */ + p[0] = (seq_number >> 0) & 0xFF; + p[1] = (seq_number >> 8) & 0xFF; + p[2] = (seq_number >> 16) & 0xFF; + p[3] = (seq_number >> 24) & 0xFF; + memset (p + 4, + (ctx->more_flags & LOCAL) ? 0 : 0xFF, + 4); + + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_encrypt ((void *)p, (void *)p, 8, + &schedule, (DES_cblock *)(p + 8), DES_ENCRYPT); + + krb5_auth_con_setlocalseqnumber (context, + ctx->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + memset (deskey, 0, sizeof(deskey)); + memset (&schedule, 0, sizeof(schedule)); + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +static OM_uint32 +mic_des3 + (OM_uint32 * minor_status, + const gsskrb5_ctx ctx, + krb5_context context, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token, + krb5_keyblock *key + ) +{ + u_char *p; + Checksum cksum; + u_char seq[8]; + + int32_t seq_number; + size_t len, total_len; + + krb5_crypto crypto; + krb5_error_code kret; + krb5_data encdata; + char *tmp; + char ivec[8]; + + _gsskrb5_encap_length (36, &len, &total_len, GSS_KRB5_MECHANISM); + + message_token->length = total_len; + message_token->value = malloc (total_len); + if (message_token->value == NULL) { + message_token->length = 0; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = _gsskrb5_make_header(message_token->value, + len, + "\x01\x01", /* TOK-ID */ + GSS_KRB5_MECHANISM); + + memcpy (p, "\x04\x00", 2); /* SGN_ALG = HMAC SHA1 DES3-KD */ + p += 2; + + memcpy (p, "\xff\xff\xff\xff", 4); /* filler */ + p += 4; + + /* this should be done in parts */ + + tmp = malloc (message_buffer->length + 8); + if (tmp == NULL) { + free (message_token->value); + message_token->value = NULL; + message_token->length = 0; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy (tmp, p - 8, 8); + memcpy (tmp + 8, message_buffer->value, message_buffer->length); + + kret = krb5_crypto_init(context, key, 0, &crypto); + if (kret) { + free (message_token->value); + message_token->value = NULL; + message_token->length = 0; + free (tmp); + *minor_status = kret; + return GSS_S_FAILURE; + } + + kret = krb5_create_checksum (context, + crypto, + KRB5_KU_USAGE_SIGN, + 0, + tmp, + message_buffer->length + 8, + &cksum); + free (tmp); + krb5_crypto_destroy (context, crypto); + if (kret) { + free (message_token->value); + message_token->value = NULL; + message_token->length = 0; + *minor_status = kret; + return GSS_S_FAILURE; + } + + memcpy (p + 8, cksum.checksum.data, cksum.checksum.length); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + /* sequence number */ + krb5_auth_con_getlocalseqnumber (context, + ctx->auth_context, + &seq_number); + + seq[0] = (seq_number >> 0) & 0xFF; + seq[1] = (seq_number >> 8) & 0xFF; + seq[2] = (seq_number >> 16) & 0xFF; + seq[3] = (seq_number >> 24) & 0xFF; + memset (seq + 4, + (ctx->more_flags & LOCAL) ? 0 : 0xFF, + 4); + + kret = krb5_crypto_init(context, key, + ETYPE_DES3_CBC_NONE, &crypto); + if (kret) { + free (message_token->value); + message_token->value = NULL; + message_token->length = 0; + *minor_status = kret; + return GSS_S_FAILURE; + } + + if (ctx->more_flags & COMPAT_OLD_DES3) + memset(ivec, 0, 8); + else + memcpy(ivec, p + 8, 8); + + kret = krb5_encrypt_ivec (context, + crypto, + KRB5_KU_USAGE_SEQ, + seq, 8, &encdata, ivec); + krb5_crypto_destroy (context, crypto); + if (kret) { + free (message_token->value); + message_token->value = NULL; + message_token->length = 0; + *minor_status = kret; + return GSS_S_FAILURE; + } + + assert (encdata.length == 8); + + memcpy (p, encdata.data, encdata.length); + krb5_data_free (&encdata); + + krb5_auth_con_setlocalseqnumber (context, + ctx->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + free_Checksum (&cksum); + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 _gsskrb5_get_mic + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token + ) +{ + krb5_context context; + const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle; + krb5_keyblock *key; + OM_uint32 ret; + krb5_keytype keytype; + + GSSAPI_KRB5_INIT (&context); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + ret = _gsskrb5i_get_token_key(ctx, context, &key); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + krb5_enctype_to_keytype (context, key->keytype, &keytype); + + switch (keytype) { + case KEYTYPE_DES : + ret = mic_des (minor_status, ctx, context, qop_req, + message_buffer, message_token, key); + break; + case KEYTYPE_DES3 : + ret = mic_des3 (minor_status, ctx, context, qop_req, + message_buffer, message_token, key); + break; + case KEYTYPE_ARCFOUR: + case KEYTYPE_ARCFOUR_56: + ret = _gssapi_get_mic_arcfour (minor_status, ctx, context, qop_req, + message_buffer, message_token, key); + break; + default : + ret = _gssapi_mic_cfx (minor_status, ctx, context, qop_req, + message_buffer, message_token, key); + break; + } + krb5_free_keyblock (context, key); + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/gkrb5_err.et b/source4/heimdal/lib/gssapi/krb5/gkrb5_err.et new file mode 100644 index 0000000000..3c23412a6a --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/gkrb5_err.et @@ -0,0 +1,31 @@ +# +# extended gss krb5 error messages +# + +id "$Id$" + +error_table gk5 + +prefix GSS_KRB5_S + +error_code G_BAD_SERVICE_NAME, "No @ in SERVICE-NAME name string" +error_code G_BAD_STRING_UID, "STRING-UID-NAME contains nondigits" +error_code G_NOUSER, "UID does not resolve to username" +error_code G_VALIDATE_FAILED, "Validation error" +error_code G_BUFFER_ALLOC, "Couldn't allocate gss_buffer_t data" +error_code G_BAD_MSG_CTX, "Message context invalid" +error_code G_WRONG_SIZE, "Buffer is the wrong size" +error_code G_BAD_USAGE, "Credential usage type is unknown" +error_code G_UNKNOWN_QOP, "Unknown quality of protection specified" + +index 128 + +error_code KG_CCACHE_NOMATCH, "Principal in credential cache does not match desired name" +error_code KG_KEYTAB_NOMATCH, "No principal in keytab matches desired name" +error_code KG_TGT_MISSING, "Credential cache has no TGT" +error_code KG_NO_SUBKEY, "Authenticator has no subkey" +error_code KG_CONTEXT_ESTABLISHED, "Context is already fully established" +error_code KG_BAD_SIGN_TYPE, "Unknown signature type in token" +error_code KG_BAD_LENGTH, "Invalid field length in token" +error_code KG_CTX_INCOMPLETE, "Attempt to use incomplete security context" +error_code KG_INPUT_TOO_LONG, "Input too long" diff --git a/source4/heimdal/lib/gssapi/krb5/gsskrb5_locl.h b/source4/heimdal/lib/gssapi/krb5/gsskrb5_locl.h new file mode 100644 index 0000000000..dc7adec68f --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/gsskrb5_locl.h @@ -0,0 +1,143 @@ +/* + * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#ifndef GSSKRB5_LOCL_H +#define GSSKRB5_LOCL_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <krb5_locl.h> +#include <gkrb5_err.h> +#include <gssapi.h> +#include <gssapi_mech.h> +#include <assert.h> + +#include "cfx.h" + +/* + * + */ + +struct gss_msg_order; + +typedef struct { + struct krb5_auth_context_data *auth_context; + krb5_principal source, target; +#define IS_DCE_STYLE(ctx) (((ctx)->flags & GSS_C_DCE_STYLE) != 0) + OM_uint32 flags; + enum { LOCAL = 1, OPEN = 2, + COMPAT_OLD_DES3 = 4, + COMPAT_OLD_DES3_SELECTED = 8, + ACCEPTOR_SUBKEY = 16, + RETRIED = 32, + CLOSE_CCACHE = 64 + } more_flags; + enum gss_ctx_id_t_state { + /* initiator states */ + INITIATOR_START, + INITIATOR_RESTART, + INITIATOR_WAIT_FOR_MUTAL, + INITIATOR_READY, + /* acceptor states */ + ACCEPTOR_START, + ACCEPTOR_WAIT_FOR_DCESTYLE, + ACCEPTOR_READY + } state; + krb5_creds *kcred; + krb5_ccache ccache; + struct krb5_ticket *ticket; + OM_uint32 lifetime; + HEIMDAL_MUTEX ctx_id_mutex; + struct gss_msg_order *order; + krb5_keyblock *service_keyblock; + krb5_data fwd_data; +} *gsskrb5_ctx; + +typedef struct { + krb5_principal principal; + int cred_flags; +#define GSS_CF_DESTROY_CRED_ON_RELEASE 1 +#define GSS_CF_NO_CI_FLAGS 2 + struct krb5_keytab_data *keytab; + OM_uint32 lifetime; + gss_cred_usage_t usage; + gss_OID_set mechanisms; + struct krb5_ccache_data *ccache; + HEIMDAL_MUTEX cred_id_mutex; + krb5_enctype *enctypes; +} *gsskrb5_cred; + +typedef struct Principal *gsskrb5_name; + +/* + * + */ + +extern krb5_keytab _gsskrb5_keytab; +extern HEIMDAL_MUTEX gssapi_keytab_mutex; + +struct gssapi_thr_context { + HEIMDAL_MUTEX mutex; + char *error_string; +}; + +/* + * Prototypes + */ + +#include <krb5/gsskrb5-private.h> + +#define GSSAPI_KRB5_INIT(ctx) do { \ + krb5_error_code kret_gss_init; \ + if((kret_gss_init = _gsskrb5_init (ctx)) != 0) { \ + *minor_status = kret_gss_init; \ + return GSS_S_FAILURE; \ + } \ +} while (0) + +/* sec_context flags */ + +#define SC_LOCAL_ADDRESS 0x01 +#define SC_REMOTE_ADDRESS 0x02 +#define SC_KEYBLOCK 0x04 +#define SC_LOCAL_SUBKEY 0x08 +#define SC_REMOTE_SUBKEY 0x10 + +/* type to signal that that dns canon maybe should be done */ +#define MAGIC_HOSTBASED_NAME_TYPE 4711 + +#endif diff --git a/source4/heimdal/lib/gssapi/krb5/import_name.c b/source4/heimdal/lib/gssapi/krb5/import_name.c new file mode 100644 index 0000000000..9589979ee8 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/import_name.c @@ -0,0 +1,252 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static OM_uint32 +parse_krb5_name (OM_uint32 *minor_status, + krb5_context context, + const char *name, + gss_name_t *output_name) +{ + krb5_principal princ; + krb5_error_code kerr; + + kerr = krb5_parse_name (context, name, &princ); + + if (kerr == 0) { + *output_name = (gss_name_t)princ; + return GSS_S_COMPLETE; + } + *minor_status = kerr; + + if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED) + return GSS_S_BAD_NAME; + + return GSS_S_FAILURE; +} + +static OM_uint32 +import_krb5_name (OM_uint32 *minor_status, + krb5_context context, + const gss_buffer_t input_name_buffer, + gss_name_t *output_name) +{ + OM_uint32 ret; + char *tmp; + + tmp = malloc (input_name_buffer->length + 1); + if (tmp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy (tmp, + input_name_buffer->value, + input_name_buffer->length); + tmp[input_name_buffer->length] = '\0'; + + ret = parse_krb5_name(minor_status, context, tmp, output_name); + free(tmp); + + return ret; +} + +OM_uint32 +_gsskrb5_canon_name(OM_uint32 *minor_status, krb5_context context, + int use_dns, gss_name_t name, krb5_principal *out) +{ + krb5_principal p = (krb5_principal)name; + krb5_error_code ret; + char *hostname = NULL, *service; + + *minor_status = 0; + + /* If its not a hostname */ + if (krb5_principal_get_type(context, p) != MAGIC_HOSTBASED_NAME_TYPE) { + ret = krb5_copy_principal(context, p, out); + } else if (!use_dns) { + ret = krb5_copy_principal(context, p, out); + if (ret == 0) + krb5_principal_set_type(context, *out, KRB5_NT_SRV_HST); + } else { + if (p->name.name_string.len == 0) + return GSS_S_BAD_NAME; + else if (p->name.name_string.len > 1) + hostname = p->name.name_string.val[1]; + + service = p->name.name_string.val[0]; + + ret = krb5_sname_to_principal(context, + hostname, + service, + KRB5_NT_SRV_HST, + out); + } + + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + return 0; +} + + +static OM_uint32 +import_hostbased_name (OM_uint32 *minor_status, + krb5_context context, + const gss_buffer_t input_name_buffer, + gss_name_t *output_name) +{ + krb5_principal princ = NULL; + krb5_error_code kerr; + char *tmp, *p, *host = NULL; + + tmp = malloc (input_name_buffer->length + 1); + if (tmp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy (tmp, + input_name_buffer->value, + input_name_buffer->length); + tmp[input_name_buffer->length] = '\0'; + + p = strchr (tmp, '@'); + if (p != NULL) { + *p = '\0'; + host = p + 1; + } + + kerr = krb5_make_principal(context, &princ, NULL, tmp, host, NULL); + free (tmp); + *minor_status = kerr; + if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED) + return GSS_S_BAD_NAME; + else if (kerr) + return GSS_S_FAILURE; + + krb5_principal_set_type(context, princ, MAGIC_HOSTBASED_NAME_TYPE); + *output_name = (gss_name_t)princ; + + return 0; +} + +static OM_uint32 +import_export_name (OM_uint32 *minor_status, + krb5_context context, + const gss_buffer_t input_name_buffer, + gss_name_t *output_name) +{ + unsigned char *p; + uint32_t length; + OM_uint32 ret; + char *name; + + if (input_name_buffer->length < 10 + GSS_KRB5_MECHANISM->length) + return GSS_S_BAD_NAME; + + /* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */ + + p = input_name_buffer->value; + + if (memcmp(&p[0], "\x04\x01\x00", 3) != 0 || + p[3] != GSS_KRB5_MECHANISM->length + 2 || + p[4] != 0x06 || + p[5] != GSS_KRB5_MECHANISM->length || + memcmp(&p[6], GSS_KRB5_MECHANISM->elements, + GSS_KRB5_MECHANISM->length) != 0) + return GSS_S_BAD_NAME; + + p += 6 + GSS_KRB5_MECHANISM->length; + + length = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; + p += 4; + + if (length > input_name_buffer->length - 10 - GSS_KRB5_MECHANISM->length) + return GSS_S_BAD_NAME; + + name = malloc(length + 1); + if (name == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy(name, p, length); + name[length] = '\0'; + + ret = parse_krb5_name(minor_status, context, name, output_name); + free(name); + + return ret; +} + +OM_uint32 _gsskrb5_import_name + (OM_uint32 * minor_status, + const gss_buffer_t input_name_buffer, + const gss_OID input_name_type, + gss_name_t * output_name + ) +{ + krb5_context context; + + *minor_status = 0; + *output_name = GSS_C_NO_NAME; + + GSSAPI_KRB5_INIT (&context); + + if (gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE) || + gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE_X)) + return import_hostbased_name (minor_status, + context, + input_name_buffer, + output_name); + else if (gss_oid_equal(input_name_type, GSS_C_NO_OID) + || gss_oid_equal(input_name_type, GSS_C_NT_USER_NAME) + || gss_oid_equal(input_name_type, GSS_KRB5_NT_PRINCIPAL_NAME)) + /* default printable syntax */ + return import_krb5_name (minor_status, + context, + input_name_buffer, + output_name); + else if (gss_oid_equal(input_name_type, GSS_C_NT_EXPORT_NAME)) { + return import_export_name(minor_status, + context, + input_name_buffer, + output_name); + } else { + *minor_status = 0; + return GSS_S_BAD_NAMETYPE; + } +} diff --git a/source4/heimdal/lib/gssapi/krb5/import_sec_context.c b/source4/heimdal/lib/gssapi/krb5/import_sec_context.c new file mode 100644 index 0000000000..1b709657f4 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/import_sec_context.c @@ -0,0 +1,229 @@ +/* + * Copyright (c) 1999 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 +_gsskrb5_import_sec_context ( + OM_uint32 * minor_status, + const gss_buffer_t interprocess_token, + gss_ctx_id_t * context_handle + ) +{ + OM_uint32 ret = GSS_S_FAILURE; + krb5_context context; + krb5_error_code kret; + krb5_storage *sp; + krb5_auth_context ac; + krb5_address local, remote; + krb5_address *localp, *remotep; + krb5_data data; + gss_buffer_desc buffer; + krb5_keyblock keyblock; + int32_t flags, tmp; + gsskrb5_ctx ctx; + gss_name_t name; + + GSSAPI_KRB5_INIT (&context); + + *context_handle = GSS_C_NO_CONTEXT; + + localp = remotep = NULL; + + sp = krb5_storage_from_mem (interprocess_token->value, + interprocess_token->length); + if (sp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + ctx = calloc(1, sizeof(*ctx)); + if (ctx == NULL) { + *minor_status = ENOMEM; + krb5_storage_free (sp); + return GSS_S_FAILURE; + } + HEIMDAL_MUTEX_init(&ctx->ctx_id_mutex); + + kret = krb5_auth_con_init (context, + &ctx->auth_context); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + /* flags */ + + *minor_status = 0; + + if (krb5_ret_int32 (sp, &flags) != 0) + goto failure; + + /* retrieve the auth context */ + + ac = ctx->auth_context; + if (krb5_ret_int32 (sp, &tmp) != 0) + goto failure; + ac->flags = tmp; + if (flags & SC_LOCAL_ADDRESS) { + if (krb5_ret_address (sp, localp = &local) != 0) + goto failure; + } + + if (flags & SC_REMOTE_ADDRESS) { + if (krb5_ret_address (sp, remotep = &remote) != 0) + goto failure; + } + + krb5_auth_con_setaddrs (context, ac, localp, remotep); + if (localp) + krb5_free_address (context, localp); + if (remotep) + krb5_free_address (context, remotep); + localp = remotep = NULL; + + if (krb5_ret_int16 (sp, &ac->local_port) != 0) + goto failure; + + if (krb5_ret_int16 (sp, &ac->remote_port) != 0) + goto failure; + if (flags & SC_KEYBLOCK) { + if (krb5_ret_keyblock (sp, &keyblock) != 0) + goto failure; + krb5_auth_con_setkey (context, ac, &keyblock); + krb5_free_keyblock_contents (context, &keyblock); + } + if (flags & SC_LOCAL_SUBKEY) { + if (krb5_ret_keyblock (sp, &keyblock) != 0) + goto failure; + krb5_auth_con_setlocalsubkey (context, ac, &keyblock); + krb5_free_keyblock_contents (context, &keyblock); + } + if (flags & SC_REMOTE_SUBKEY) { + if (krb5_ret_keyblock (sp, &keyblock) != 0) + goto failure; + krb5_auth_con_setremotesubkey (context, ac, &keyblock); + krb5_free_keyblock_contents (context, &keyblock); + } + if (krb5_ret_uint32 (sp, &ac->local_seqnumber)) + goto failure; + if (krb5_ret_uint32 (sp, &ac->remote_seqnumber)) + goto failure; + + if (krb5_ret_int32 (sp, &tmp) != 0) + goto failure; + ac->keytype = tmp; + if (krb5_ret_int32 (sp, &tmp) != 0) + goto failure; + ac->cksumtype = tmp; + + /* names */ + + if (krb5_ret_data (sp, &data)) + goto failure; + buffer.value = data.data; + buffer.length = data.length; + + ret = _gsskrb5_import_name (minor_status, &buffer, GSS_C_NT_EXPORT_NAME, + &name); + if (ret) { + ret = _gsskrb5_import_name (minor_status, &buffer, GSS_C_NO_OID, + &name); + if (ret) { + krb5_data_free (&data); + goto failure; + } + } + ctx->source = (krb5_principal)name; + krb5_data_free (&data); + + if (krb5_ret_data (sp, &data) != 0) + goto failure; + buffer.value = data.data; + buffer.length = data.length; + + ret = _gsskrb5_import_name (minor_status, &buffer, GSS_C_NT_EXPORT_NAME, + &name); + if (ret) { + ret = _gsskrb5_import_name (minor_status, &buffer, GSS_C_NO_OID, + &name); + if (ret) { + krb5_data_free (&data); + goto failure; + } + } + ctx->target = (krb5_principal)name; + krb5_data_free (&data); + + if (krb5_ret_int32 (sp, &tmp)) + goto failure; + ctx->flags = tmp; + if (krb5_ret_int32 (sp, &tmp)) + goto failure; + ctx->more_flags = tmp; + if (krb5_ret_int32 (sp, &tmp)) + goto failure; + ctx->lifetime = tmp; + + ret = _gssapi_msg_order_import(minor_status, sp, &ctx->order); + if (ret) + goto failure; + + krb5_storage_free (sp); + + *context_handle = (gss_ctx_id_t)ctx; + + return GSS_S_COMPLETE; + +failure: + krb5_auth_con_free (context, + ctx->auth_context); + if (ctx->source != NULL) + krb5_free_principal(context, ctx->source); + if (ctx->target != NULL) + krb5_free_principal(context, ctx->target); + if (localp) + krb5_free_address (context, localp); + if (remotep) + krb5_free_address (context, remotep); + if(ctx->order) + _gssapi_msg_order_destroy(&ctx->order); + HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex); + krb5_storage_free (sp); + free (ctx); + *context_handle = GSS_C_NO_CONTEXT; + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/indicate_mechs.c b/source4/heimdal/lib/gssapi/krb5/indicate_mechs.c new file mode 100644 index 0000000000..b0219fc7ce --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/indicate_mechs.c @@ -0,0 +1,57 @@ +/* + * Copyright (c) 1997 - 2001, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_indicate_mechs + (OM_uint32 * minor_status, + gss_OID_set * mech_set + ) +{ + OM_uint32 ret, junk; + + ret = gss_create_empty_oid_set(minor_status, mech_set); + if (ret) + return ret; + + ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM, mech_set); + if (ret) { + gss_release_oid_set(&junk, mech_set); + return ret; + } + + *minor_status = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/init.c b/source4/heimdal/lib/gssapi/krb5/init.c new file mode 100644 index 0000000000..ea32fce061 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/init.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 1997 - 2001, 2003, 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static HEIMDAL_MUTEX context_mutex = HEIMDAL_MUTEX_INITIALIZER; +static int created_key; +static HEIMDAL_thread_key context_key; + +static void +destroy_context(void *ptr) +{ + krb5_context context = ptr; + + if (context == NULL) + return; + krb5_free_context(context); +} + +krb5_error_code +_gsskrb5_init (krb5_context *context) +{ + krb5_error_code ret = 0; + + HEIMDAL_MUTEX_lock(&context_mutex); + + if (!created_key) { + HEIMDAL_key_create(&context_key, destroy_context, ret); + if (ret) { + HEIMDAL_MUTEX_unlock(&context_mutex); + return ret; + } + created_key = 1; + } + HEIMDAL_MUTEX_unlock(&context_mutex); + + *context = HEIMDAL_getspecific(context_key); + if (*context == NULL) { + + ret = krb5_init_context(context); + if (ret == 0) { + HEIMDAL_setspecific(context_key, *context, ret); + if (ret) { + krb5_free_context(*context); + *context = NULL; + } + } + } + + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/init_sec_context.c b/source4/heimdal/lib/gssapi/krb5/init_sec_context.c new file mode 100644 index 0000000000..3d5e3b71c5 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/init_sec_context.c @@ -0,0 +1,962 @@ +/* + * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +/* + * copy the addresses from `input_chan_bindings' (if any) to + * the auth context `ac' + */ + +static OM_uint32 +set_addresses (krb5_context context, + krb5_auth_context ac, + const gss_channel_bindings_t input_chan_bindings) +{ + /* Port numbers are expected to be in application_data.value, + * initator's port first */ + + krb5_address initiator_addr, acceptor_addr; + krb5_error_code kret; + + if (input_chan_bindings == GSS_C_NO_CHANNEL_BINDINGS + || input_chan_bindings->application_data.length != + 2 * sizeof(ac->local_port)) + return 0; + + memset(&initiator_addr, 0, sizeof(initiator_addr)); + memset(&acceptor_addr, 0, sizeof(acceptor_addr)); + + ac->local_port = + *(int16_t *) input_chan_bindings->application_data.value; + + ac->remote_port = + *((int16_t *) input_chan_bindings->application_data.value + 1); + + kret = _gsskrb5i_address_to_krb5addr(context, + input_chan_bindings->acceptor_addrtype, + &input_chan_bindings->acceptor_address, + ac->remote_port, + &acceptor_addr); + if (kret) + return kret; + + kret = _gsskrb5i_address_to_krb5addr(context, + input_chan_bindings->initiator_addrtype, + &input_chan_bindings->initiator_address, + ac->local_port, + &initiator_addr); + if (kret) { + krb5_free_address (context, &acceptor_addr); + return kret; + } + + kret = krb5_auth_con_setaddrs(context, + ac, + &initiator_addr, /* local address */ + &acceptor_addr); /* remote address */ + + krb5_free_address (context, &initiator_addr); + krb5_free_address (context, &acceptor_addr); + +#if 0 + free(input_chan_bindings->application_data.value); + input_chan_bindings->application_data.value = NULL; + input_chan_bindings->application_data.length = 0; +#endif + + return kret; +} + +OM_uint32 +_gsskrb5_create_ctx( + OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + krb5_context context, + const gss_channel_bindings_t input_chan_bindings, + enum gss_ctx_id_t_state state) +{ + krb5_error_code kret; + gsskrb5_ctx ctx; + + *context_handle = NULL; + + ctx = malloc(sizeof(*ctx)); + if (ctx == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + ctx->auth_context = NULL; + ctx->source = NULL; + ctx->target = NULL; + ctx->kcred = NULL; + ctx->ccache = NULL; + ctx->state = state; + ctx->flags = 0; + ctx->more_flags = 0; + ctx->service_keyblock = NULL; + ctx->ticket = NULL; + krb5_data_zero(&ctx->fwd_data); + ctx->lifetime = GSS_C_INDEFINITE; + ctx->order = NULL; + HEIMDAL_MUTEX_init(&ctx->ctx_id_mutex); + + kret = krb5_auth_con_init (context, &ctx->auth_context); + if (kret) { + *minor_status = kret; + HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex); + return GSS_S_FAILURE; + } + + kret = set_addresses(context, ctx->auth_context, input_chan_bindings); + if (kret) { + *minor_status = kret; + + HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex); + + krb5_auth_con_free(context, ctx->auth_context); + + return GSS_S_BAD_BINDINGS; + } + + /* + * We need a sequence number + */ + + krb5_auth_con_addflags(context, + ctx->auth_context, + KRB5_AUTH_CONTEXT_DO_SEQUENCE | + KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED, + NULL); + + *context_handle = (gss_ctx_id_t)ctx; + + return GSS_S_COMPLETE; +} + + +static OM_uint32 +gsskrb5_get_creds( + OM_uint32 * minor_status, + krb5_context context, + krb5_ccache ccache, + gsskrb5_ctx ctx, + krb5_const_principal target_name, + OM_uint32 time_req, + OM_uint32 * time_rec, + krb5_creds ** cred) +{ + OM_uint32 ret; + krb5_error_code kret; + krb5_creds this_cred; + OM_uint32 lifetime_rec; + + *cred = NULL; + + memset(&this_cred, 0, sizeof(this_cred)); + this_cred.client = ctx->source; + this_cred.server = ctx->target; + + if (time_req && time_req != GSS_C_INDEFINITE) { + krb5_timestamp ts; + + krb5_timeofday (context, &ts); + this_cred.times.endtime = ts + time_req; + } else { + this_cred.times.endtime = 0; + } + + this_cred.session.keytype = KEYTYPE_NULL; + + kret = krb5_get_credentials(context, + 0, + ccache, + &this_cred, + cred); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + ctx->lifetime = (*cred)->times.endtime; + + ret = _gsskrb5_lifetime_left(minor_status, context, + ctx->lifetime, &lifetime_rec); + if (ret) return ret; + + if (lifetime_rec == 0) { + *minor_status = 0; + return GSS_S_CONTEXT_EXPIRED; + } + + if (time_rec) *time_rec = lifetime_rec; + + return GSS_S_COMPLETE; +} + +static OM_uint32 +gsskrb5_initiator_ready( + OM_uint32 * minor_status, + gsskrb5_ctx ctx, + krb5_context context) +{ + OM_uint32 ret; + int32_t seq_number; + int is_cfx = 0; + OM_uint32 flags = ctx->flags; + + krb5_free_creds(context, ctx->kcred); + ctx->kcred = NULL; + + if (ctx->more_flags & CLOSE_CCACHE) + krb5_cc_close(context, ctx->ccache); + ctx->ccache = NULL; + + krb5_auth_getremoteseqnumber (context, ctx->auth_context, &seq_number); + + _gsskrb5i_is_cfx(ctx, &is_cfx); + + ret = _gssapi_msg_order_create(minor_status, + &ctx->order, + _gssapi_msg_order_f(flags), + seq_number, 0, is_cfx); + if (ret) return ret; + + ctx->state = INITIATOR_READY; + ctx->more_flags |= OPEN; + + return GSS_S_COMPLETE; +} + +/* + * handle delegated creds in init-sec-context + */ + +static void +do_delegation (krb5_context context, + krb5_auth_context ac, + krb5_ccache ccache, + krb5_creds *cred, + krb5_const_principal name, + krb5_data *fwd_data, + uint32_t flagmask, + uint32_t *flags) +{ + krb5_creds creds; + KDCOptions fwd_flags; + krb5_error_code kret; + + memset (&creds, 0, sizeof(creds)); + krb5_data_zero (fwd_data); + + kret = krb5_cc_get_principal(context, ccache, &creds.client); + if (kret) + goto out; + + kret = krb5_build_principal(context, + &creds.server, + strlen(creds.client->realm), + creds.client->realm, + KRB5_TGS_NAME, + creds.client->realm, + NULL); + if (kret) + goto out; + + creds.times.endtime = 0; + + memset(&fwd_flags, 0, sizeof(fwd_flags)); + fwd_flags.forwarded = 1; + fwd_flags.forwardable = 1; + + if ( /*target_name->name.name_type != KRB5_NT_SRV_HST ||*/ + name->name.name_string.len < 2) + goto out; + + kret = krb5_get_forwarded_creds(context, + ac, + ccache, + KDCOptions2int(fwd_flags), + name->name.name_string.val[1], + &creds, + fwd_data); + + out: + if (kret) + *flags &= ~flagmask; + else + *flags |= flagmask; + + if (creds.client) + krb5_free_principal(context, creds.client); + if (creds.server) + krb5_free_principal(context, creds.server); +} + +/* + * first stage of init-sec-context + */ + +static OM_uint32 +init_auth +(OM_uint32 * minor_status, + gsskrb5_cred cred, + gsskrb5_ctx ctx, + krb5_context context, + gss_name_t name, + const gss_OID mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec + ) +{ + OM_uint32 ret = GSS_S_FAILURE; + krb5_error_code kret; + krb5_data outbuf; + krb5_data fwd_data; + OM_uint32 lifetime_rec; + int use_dns = 1; + + krb5_data_zero(&outbuf); + krb5_data_zero(&fwd_data); + + *minor_status = 0; + + if (actual_mech_type) + *actual_mech_type = GSS_KRB5_MECHANISM; + + if (cred == NULL) { + kret = krb5_cc_default (context, &ctx->ccache); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + ctx->more_flags |= CLOSE_CCACHE; + } else + ctx->ccache = cred->ccache; + + kret = krb5_cc_get_principal (context, ctx->ccache, &ctx->source); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + /* canon name if needed for client + target realm */ + kret = krb5_cc_get_config(context, ctx->ccache, NULL, + "realm-config", &outbuf); + if (kret == 0) { + /* XXX 2 is no server canon */ + if (outbuf.length < 1 || ((((unsigned char *)outbuf.data)[0]) & 2)) + use_dns = 0; + krb5_data_free(&outbuf); + } + + ret = _gsskrb5_canon_name(minor_status, context, use_dns, + name, &ctx->target); + if (ret) + goto failure; + + ret = _gss_DES3_get_mic_compat(minor_status, ctx, context); + if (ret) + goto failure; + + + /* + * This is hideous glue for (NFS) clients that wants to limit the + * available enctypes to what it can support (encryption in + * kernel). If there is no enctypes selected for this credential, + * reset it to the default set of enctypes. + */ + { + krb5_enctype *enctypes = NULL; + + if (cred && cred->enctypes) + enctypes = cred->enctypes; + krb5_set_default_in_tkt_etypes(context, enctypes); + } + + ret = gsskrb5_get_creds(minor_status, + context, + ctx->ccache, + ctx, + ctx->target, + time_req, + time_rec, + &ctx->kcred); + if (ret) + goto failure; + + ctx->lifetime = ctx->kcred->times.endtime; + + ret = _gsskrb5_lifetime_left(minor_status, + context, + ctx->lifetime, + &lifetime_rec); + if (ret) { + goto failure; + } + + if (lifetime_rec == 0) { + *minor_status = 0; + ret = GSS_S_CONTEXT_EXPIRED; + goto failure; + } + + krb5_auth_con_setkey(context, + ctx->auth_context, + &ctx->kcred->session); + + kret = krb5_auth_con_generatelocalsubkey(context, + ctx->auth_context, + &ctx->kcred->session); + if(kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + return GSS_S_COMPLETE; + +failure: + if (ctx->ccache && (ctx->more_flags & CLOSE_CCACHE)) + krb5_cc_close(context, ctx->ccache); + ctx->ccache = NULL; + + return ret; + +} + +static OM_uint32 +init_auth_restart +(OM_uint32 * minor_status, + gsskrb5_cred cred, + gsskrb5_ctx ctx, + krb5_context context, + OM_uint32 req_flags, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec + ) +{ + OM_uint32 ret = GSS_S_FAILURE; + krb5_error_code kret; + krb5_flags ap_options; + krb5_data outbuf; + uint32_t flags; + krb5_data authenticator; + Checksum cksum; + krb5_enctype enctype; + krb5_data fwd_data, timedata; + int32_t offset = 0, oldoffset; + uint32_t flagmask; + + krb5_data_zero(&outbuf); + krb5_data_zero(&fwd_data); + + *minor_status = 0; + + /* + * If the credential doesn't have ok-as-delegate, check if there + * is a realm setting and use that. + */ + if (!ctx->kcred->flags.b.ok_as_delegate) { + krb5_data data; + + ret = krb5_cc_get_config(context, ctx->ccache, NULL, + "realm-config", &data); + if (ret == 0) { + /* XXX 1 is use ok-as-delegate */ + if (data.length < 1 || ((((unsigned char *)data.data)[0]) & 1) == 0) + req_flags &= ~(GSS_C_DELEG_FLAG|GSS_C_DELEG_POLICY_FLAG); + krb5_data_free(&data); + } + } + + flagmask = 0; + + /* if we used GSS_C_DELEG_POLICY_FLAG, trust KDC */ + if ((req_flags & GSS_C_DELEG_POLICY_FLAG) + && ctx->kcred->flags.b.ok_as_delegate) + flagmask |= GSS_C_DELEG_FLAG | GSS_C_DELEG_POLICY_FLAG; + /* if there still is a GSS_C_DELEG_FLAG, use that */ + if (req_flags & GSS_C_DELEG_FLAG) + flagmask |= GSS_C_DELEG_FLAG; + + + flags = 0; + ap_options = 0; + if (flagmask & GSS_C_DELEG_FLAG) { + do_delegation (context, + ctx->auth_context, + ctx->ccache, ctx->kcred, ctx->target, + &fwd_data, flagmask, &flags); + } + + if (req_flags & GSS_C_MUTUAL_FLAG) { + flags |= GSS_C_MUTUAL_FLAG; + ap_options |= AP_OPTS_MUTUAL_REQUIRED; + } + + if (req_flags & GSS_C_REPLAY_FLAG) + flags |= GSS_C_REPLAY_FLAG; + if (req_flags & GSS_C_SEQUENCE_FLAG) + flags |= GSS_C_SEQUENCE_FLAG; + if (req_flags & GSS_C_ANON_FLAG) + ; /* XXX */ + if (req_flags & GSS_C_DCE_STYLE) { + /* GSS_C_DCE_STYLE implies GSS_C_MUTUAL_FLAG */ + flags |= GSS_C_DCE_STYLE | GSS_C_MUTUAL_FLAG; + ap_options |= AP_OPTS_MUTUAL_REQUIRED; + } + if (req_flags & GSS_C_IDENTIFY_FLAG) + flags |= GSS_C_IDENTIFY_FLAG; + if (req_flags & GSS_C_EXTENDED_ERROR_FLAG) + flags |= GSS_C_EXTENDED_ERROR_FLAG; + + if (req_flags & GSS_C_CONF_FLAG) { + flags |= GSS_C_CONF_FLAG; + } + if (req_flags & GSS_C_INTEG_FLAG) { + flags |= GSS_C_INTEG_FLAG; + } + if (cred == NULL || !(cred->cred_flags & GSS_CF_NO_CI_FLAGS)) { + flags |= GSS_C_CONF_FLAG; + flags |= GSS_C_INTEG_FLAG; + } + flags |= GSS_C_TRANS_FLAG; + + if (ret_flags) + *ret_flags = flags; + ctx->flags = flags; + ctx->more_flags |= LOCAL; + + ret = _gsskrb5_create_8003_checksum (minor_status, + input_chan_bindings, + flags, + &fwd_data, + &cksum); + krb5_data_free (&fwd_data); + if (ret) + goto failure; + + enctype = ctx->auth_context->keyblock->keytype; + + ret = krb5_cc_get_config(context, ctx->ccache, ctx->target, + "time-offset", &timedata); + if (ret == 0) { + if (timedata.length == 4) { + const u_char *p = timedata.data; + offset = (p[0] <<24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0); + } + krb5_data_free(&timedata); + } + + if (offset) { + krb5_get_kdc_sec_offset (context, &oldoffset, NULL); + krb5_set_kdc_sec_offset (context, offset, -1); + } + + kret = krb5_build_authenticator (context, + ctx->auth_context, + enctype, + ctx->kcred, + &cksum, + NULL, + &authenticator, + KRB5_KU_AP_REQ_AUTH); + + if (kret) { + if (offset) + krb5_set_kdc_sec_offset (context, oldoffset, -1); + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + kret = krb5_build_ap_req (context, + enctype, + ctx->kcred, + ap_options, + authenticator, + &outbuf); + if (offset) + krb5_set_kdc_sec_offset (context, oldoffset, -1); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + if (flags & GSS_C_DCE_STYLE) { + output_token->value = outbuf.data; + output_token->length = outbuf.length; + } else { + ret = _gsskrb5_encapsulate (minor_status, &outbuf, output_token, + (u_char *)"\x01\x00", GSS_KRB5_MECHANISM); + krb5_data_free (&outbuf); + if (ret) + goto failure; + } + + free_Checksum(&cksum); + + if (flags & GSS_C_MUTUAL_FLAG) { + ctx->state = INITIATOR_WAIT_FOR_MUTAL; + return GSS_S_CONTINUE_NEEDED; + } + + return gsskrb5_initiator_ready(minor_status, ctx, context); +failure: + if (ctx->ccache && (ctx->more_flags & CLOSE_CCACHE)) + krb5_cc_close(context, ctx->ccache); + ctx->ccache = NULL; + + return ret; +} + + +static OM_uint32 +repl_mutual +(OM_uint32 * minor_status, + gsskrb5_ctx ctx, + krb5_context context, + const gss_OID mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec + ) +{ + OM_uint32 ret; + krb5_error_code kret; + krb5_data indata; + krb5_ap_rep_enc_part *repl; + int is_cfx = 0; + + output_token->length = 0; + output_token->value = NULL; + + if (actual_mech_type) + *actual_mech_type = GSS_KRB5_MECHANISM; + + if (ctx->flags & GSS_C_DCE_STYLE) { + /* There is no OID wrapping. */ + indata.length = input_token->length; + indata.data = input_token->value; + } else { + ret = _gsskrb5_decapsulate (minor_status, + input_token, + &indata, + "\x02\x00", + GSS_KRB5_MECHANISM); + if (ret == GSS_S_DEFECTIVE_TOKEN) { + /* check if there is an error token sent instead */ + ret = _gsskrb5_decapsulate (minor_status, + input_token, + &indata, + "\x03\x00", + GSS_KRB5_MECHANISM); + if (ret == GSS_S_COMPLETE) { + KRB_ERROR error; + + kret = krb5_rd_error(context, &indata, &error); + if (kret == 0) { + kret = krb5_error_from_rd_error(context, &error, NULL); + + /* save the time skrew for this host */ + if (kret == KRB5KRB_AP_ERR_SKEW) { + krb5_data timedata; + unsigned char p[4]; + int32_t t = error.stime - time(NULL); + + p[0] = (t >> 24) & 0xFF; + p[1] = (t >> 16) & 0xFF; + p[2] = (t >> 8) & 0xFF; + p[3] = (t >> 0) & 0xFF; + + timedata.data = p; + timedata.length = sizeof(p); + + krb5_cc_set_config(context, ctx->ccache, ctx->target, + "time-offset", &timedata); + + if ((ctx->more_flags & RETRIED) == 0) + ctx->state = INITIATOR_RESTART; + ctx->more_flags |= RETRIED; + } + free_KRB_ERROR (&error); + } + *minor_status = kret; + return GSS_S_FAILURE; + } + return ret; + } + } + + kret = krb5_rd_rep (context, + ctx->auth_context, + &indata, + &repl); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + krb5_free_ap_rep_enc_part (context, + repl); + + _gsskrb5i_is_cfx(ctx, &is_cfx); + if (is_cfx) { + krb5_keyblock *key = NULL; + + kret = krb5_auth_con_getremotesubkey(context, + ctx->auth_context, + &key); + if (kret == 0 && key != NULL) { + ctx->more_flags |= ACCEPTOR_SUBKEY; + krb5_free_keyblock (context, key); + } + } + + + *minor_status = 0; + if (time_rec) { + ret = _gsskrb5_lifetime_left(minor_status, + context, + ctx->lifetime, + time_rec); + } else { + ret = GSS_S_COMPLETE; + } + if (ret_flags) + *ret_flags = ctx->flags; + + if (req_flags & GSS_C_DCE_STYLE) { + int32_t local_seq, remote_seq; + krb5_data outbuf; + + /* + * So DCE_STYLE is strange. The client echos the seq number + * that the server used in the server's mk_rep in its own + * mk_rep(). After when done, it resets to it's own seq number + * for the gss_wrap calls. + */ + + krb5_auth_getremoteseqnumber(context, ctx->auth_context, &remote_seq); + krb5_auth_con_getlocalseqnumber(context, ctx->auth_context, &local_seq); + krb5_auth_con_setlocalseqnumber(context, ctx->auth_context, remote_seq); + + kret = krb5_mk_rep(context, ctx->auth_context, &outbuf); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + /* reset local seq number */ + krb5_auth_con_setlocalseqnumber(context, ctx->auth_context, local_seq); + + output_token->length = outbuf.length; + output_token->value = outbuf.data; + } + + return gsskrb5_initiator_ready(minor_status, ctx, context); +} + +/* + * gss_init_sec_context + */ + +OM_uint32 _gsskrb5_init_sec_context +(OM_uint32 * minor_status, + const gss_cred_id_t cred_handle, + gss_ctx_id_t * context_handle, + const gss_name_t target_name, + const gss_OID mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec + ) +{ + krb5_context context; + gsskrb5_cred cred = (gsskrb5_cred)cred_handle; + gsskrb5_ctx ctx; + OM_uint32 ret; + + GSSAPI_KRB5_INIT (&context); + + output_token->length = 0; + output_token->value = NULL; + + if (context_handle == NULL) { + *minor_status = 0; + return GSS_S_FAILURE | GSS_S_CALL_BAD_STRUCTURE; + } + + if (ret_flags) + *ret_flags = 0; + if (time_rec) + *time_rec = 0; + + if (target_name == GSS_C_NO_NAME) { + if (actual_mech_type) + *actual_mech_type = GSS_C_NO_OID; + *minor_status = 0; + return GSS_S_BAD_NAME; + } + + if (mech_type != GSS_C_NO_OID && + !gss_oid_equal(mech_type, GSS_KRB5_MECHANISM)) + return GSS_S_BAD_MECH; + + if (input_token == GSS_C_NO_BUFFER || input_token->length == 0) { + OM_uint32 ret; + + if (*context_handle != GSS_C_NO_CONTEXT) { + *minor_status = 0; + return GSS_S_FAILURE | GSS_S_CALL_BAD_STRUCTURE; + } + + ret = _gsskrb5_create_ctx(minor_status, + context_handle, + context, + input_chan_bindings, + INITIATOR_START); + if (ret) + return ret; + } + + if (*context_handle == GSS_C_NO_CONTEXT) { + *minor_status = 0; + return GSS_S_FAILURE | GSS_S_CALL_BAD_STRUCTURE; + } + + ctx = (gsskrb5_ctx) *context_handle; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + again: + switch (ctx->state) { + case INITIATOR_START: + ret = init_auth(minor_status, + cred, + ctx, + context, + target_name, + mech_type, + req_flags, + time_req, + input_token, + actual_mech_type, + output_token, + ret_flags, + time_rec); + if (ret != GSS_S_COMPLETE) + break; + /* FALL THOUGH */ + case INITIATOR_RESTART: + ret = init_auth_restart(minor_status, + cred, + ctx, + context, + req_flags, + input_chan_bindings, + input_token, + actual_mech_type, + output_token, + ret_flags, + time_rec); + break; + case INITIATOR_WAIT_FOR_MUTAL: + ret = repl_mutual(minor_status, + ctx, + context, + mech_type, + req_flags, + time_req, + input_chan_bindings, + input_token, + actual_mech_type, + output_token, + ret_flags, + time_rec); + if (ctx->state == INITIATOR_RESTART) + goto again; + break; + case INITIATOR_READY: + /* + * If we get there, the caller have called + * gss_init_sec_context() one time too many. + */ + _gsskrb5_set_status(EINVAL, "init_sec_context " + "called one time too many"); + *minor_status = EINVAL; + ret = GSS_S_BAD_STATUS; + break; + default: + _gsskrb5_set_status(EINVAL, "init_sec_context " + "invalid state %d for client", + (int)ctx->state); + *minor_status = EINVAL; + ret = GSS_S_BAD_STATUS; + break; + } + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + /* destroy context in case of error */ + if (GSS_ERROR(ret)) { + OM_uint32 min2; + _gsskrb5_delete_sec_context(&min2, context_handle, GSS_C_NO_BUFFER); + } + + return ret; + +} diff --git a/source4/heimdal/lib/gssapi/krb5/inquire_context.c b/source4/heimdal/lib/gssapi/krb5/inquire_context.c new file mode 100644 index 0000000000..f2e01b464a --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/inquire_context.c @@ -0,0 +1,112 @@ +/* + * Copyright (c) 1997, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_inquire_context ( + OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + gss_name_t * src_name, + gss_name_t * targ_name, + OM_uint32 * lifetime_rec, + gss_OID * mech_type, + OM_uint32 * ctx_flags, + int * locally_initiated, + int * open_context + ) +{ + krb5_context context; + OM_uint32 ret; + gsskrb5_ctx ctx = (gsskrb5_ctx)context_handle; + gss_name_t name; + + if (src_name) + *src_name = GSS_C_NO_NAME; + if (targ_name) + *targ_name = GSS_C_NO_NAME; + + GSSAPI_KRB5_INIT (&context); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + if (src_name) { + name = (gss_name_t)ctx->source; + ret = _gsskrb5_duplicate_name (minor_status, name, src_name); + if (ret) + goto failed; + } + + if (targ_name) { + name = (gss_name_t)ctx->target; + ret = _gsskrb5_duplicate_name (minor_status, name, targ_name); + if (ret) + goto failed; + } + + if (lifetime_rec) { + ret = _gsskrb5_lifetime_left(minor_status, + context, + ctx->lifetime, + lifetime_rec); + if (ret) + goto failed; + } + + if (mech_type) + *mech_type = GSS_KRB5_MECHANISM; + + if (ctx_flags) + *ctx_flags = ctx->flags; + + if (locally_initiated) + *locally_initiated = ctx->more_flags & LOCAL; + + if (open_context) + *open_context = ctx->more_flags & OPEN; + + *minor_status = 0; + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_COMPLETE; + +failed: + if (src_name) + _gsskrb5_release_name(NULL, src_name); + if (targ_name) + _gsskrb5_release_name(NULL, targ_name); + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/inquire_cred.c b/source4/heimdal/lib/gssapi/krb5/inquire_cred.c new file mode 100644 index 0000000000..42488c718c --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/inquire_cred.c @@ -0,0 +1,182 @@ +/* + * Copyright (c) 1997, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_inquire_cred +(OM_uint32 * minor_status, + const gss_cred_id_t cred_handle, + gss_name_t * output_name, + OM_uint32 * lifetime, + gss_cred_usage_t * cred_usage, + gss_OID_set * mechanisms + ) +{ + krb5_context context; + gss_cred_id_t aqcred_init = GSS_C_NO_CREDENTIAL; + gss_cred_id_t aqcred_accept = GSS_C_NO_CREDENTIAL; + gsskrb5_cred acred = NULL, icred = NULL; + OM_uint32 ret; + + *minor_status = 0; + + if (output_name) + *output_name = NULL; + if (mechanisms) + *mechanisms = GSS_C_NO_OID_SET; + + GSSAPI_KRB5_INIT (&context); + + if (cred_handle == GSS_C_NO_CREDENTIAL) { + ret = _gsskrb5_acquire_cred(minor_status, + GSS_C_NO_NAME, + GSS_C_INDEFINITE, + GSS_C_NO_OID_SET, + GSS_C_ACCEPT, + &aqcred_accept, + NULL, + NULL); + if (ret == GSS_S_COMPLETE) + acred = (gsskrb5_cred)aqcred_accept; + + ret = _gsskrb5_acquire_cred(minor_status, + GSS_C_NO_NAME, + GSS_C_INDEFINITE, + GSS_C_NO_OID_SET, + GSS_C_INITIATE, + &aqcred_init, + NULL, + NULL); + if (ret == GSS_S_COMPLETE) + icred = (gsskrb5_cred)aqcred_init; + + if (icred == NULL && acred == NULL) { + *minor_status = 0; + return GSS_S_NO_CRED; + } + } else + acred = (gsskrb5_cred)cred_handle; + + if (acred) + HEIMDAL_MUTEX_lock(&acred->cred_id_mutex); + if (icred) + HEIMDAL_MUTEX_lock(&icred->cred_id_mutex); + + if (output_name != NULL) { + if (icred && icred->principal != NULL) { + gss_name_t name; + + if (acred && acred->principal) + name = (gss_name_t)acred->principal; + else + name = (gss_name_t)icred->principal; + + ret = _gsskrb5_duplicate_name(minor_status, name, output_name); + if (ret) + goto out; + } else if (acred && acred->usage == GSS_C_ACCEPT) { + krb5_principal princ; + *minor_status = krb5_sname_to_principal(context, NULL, + NULL, KRB5_NT_SRV_HST, + &princ); + if (*minor_status) { + ret = GSS_S_FAILURE; + goto out; + } + *output_name = (gss_name_t)princ; + } else { + krb5_principal princ; + *minor_status = krb5_get_default_principal(context, + &princ); + if (*minor_status) { + ret = GSS_S_FAILURE; + goto out; + } + *output_name = (gss_name_t)princ; + } + } + if (lifetime != NULL) { + OM_uint32 alife = GSS_C_INDEFINITE, ilife = GSS_C_INDEFINITE; + + if (acred) alife = acred->lifetime; + if (icred) ilife = icred->lifetime; + + ret = _gsskrb5_lifetime_left(minor_status, + context, + min(alife,ilife), + lifetime); + if (ret) + goto out; + } + if (cred_usage != NULL) { + if (acred && icred) + *cred_usage = GSS_C_BOTH; + else if (acred) + *cred_usage = GSS_C_ACCEPT; + else if (icred) + *cred_usage = GSS_C_INITIATE; + else + abort(); + } + + if (mechanisms != NULL) { + ret = gss_create_empty_oid_set(minor_status, mechanisms); + if (ret) + goto out; + if (acred) + ret = gss_add_oid_set_member(minor_status, + &acred->mechanisms->elements[0], + mechanisms); + if (ret == GSS_S_COMPLETE && icred) + ret = gss_add_oid_set_member(minor_status, + &icred->mechanisms->elements[0], + mechanisms); + if (ret) + goto out; + } + ret = GSS_S_COMPLETE; +out: + if (acred) + HEIMDAL_MUTEX_unlock(&acred->cred_id_mutex); + if (icred) + HEIMDAL_MUTEX_unlock(&icred->cred_id_mutex); + + if (aqcred_init != GSS_C_NO_CREDENTIAL) + ret = _gsskrb5_release_cred(minor_status, &aqcred_init); + if (aqcred_accept != GSS_C_NO_CREDENTIAL) + ret = _gsskrb5_release_cred(minor_status, &aqcred_accept); + + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/inquire_cred_by_mech.c b/source4/heimdal/lib/gssapi/krb5/inquire_cred_by_mech.c new file mode 100644 index 0000000000..de7ec6cd75 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/inquire_cred_by_mech.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2003, 2006, 2007 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_inquire_cred_by_mech ( + OM_uint32 * minor_status, + const gss_cred_id_t cred_handle, + const gss_OID mech_type, + gss_name_t * name, + OM_uint32 * initiator_lifetime, + OM_uint32 * acceptor_lifetime, + gss_cred_usage_t * cred_usage + ) +{ + gss_cred_usage_t usage; + OM_uint32 maj_stat; + OM_uint32 lifetime; + + maj_stat = + _gsskrb5_inquire_cred (minor_status, cred_handle, + name, &lifetime, &usage, NULL); + if (maj_stat) + return maj_stat; + + if (initiator_lifetime) { + if (usage == GSS_C_INITIATE || usage == GSS_C_BOTH) + *initiator_lifetime = lifetime; + else + *initiator_lifetime = 0; + } + + if (acceptor_lifetime) { + if (usage == GSS_C_ACCEPT || usage == GSS_C_BOTH) + *acceptor_lifetime = lifetime; + else + *acceptor_lifetime = 0; + } + + if (cred_usage) + *cred_usage = usage; + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/inquire_cred_by_oid.c b/source4/heimdal/lib/gssapi/krb5/inquire_cred_by_oid.c new file mode 100644 index 0000000000..2bcc17683b --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/inquire_cred_by_oid.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_inquire_cred_by_oid + (OM_uint32 * minor_status, + const gss_cred_id_t cred_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set) +{ + krb5_context context; + gsskrb5_cred cred = (gsskrb5_cred)cred_handle; + krb5_error_code ret; + gss_buffer_desc buffer; + char *str; + + GSSAPI_KRB5_INIT (&context); + + if (gss_oid_equal(desired_object, GSS_KRB5_COPY_CCACHE_X) == 0) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); + + if (cred->ccache == NULL) { + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + ret = krb5_cc_get_full_name(context, cred->ccache, &str); + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + buffer.value = str; + buffer.length = strlen(str); + + ret = gss_add_buffer_set_member(minor_status, &buffer, data_set); + if (ret != GSS_S_COMPLETE) + _gsskrb5_clear_status (); + + free(str); + + *minor_status = 0; + return GSS_S_COMPLETE; +} + diff --git a/source4/heimdal/lib/gssapi/krb5/inquire_mechs_for_name.c b/source4/heimdal/lib/gssapi/krb5/inquire_mechs_for_name.c new file mode 100644 index 0000000000..2384c29656 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/inquire_mechs_for_name.c @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_inquire_mechs_for_name ( + OM_uint32 * minor_status, + const gss_name_t input_name, + gss_OID_set * mech_types + ) +{ + OM_uint32 ret; + + ret = gss_create_empty_oid_set(minor_status, mech_types); + if (ret) + return ret; + + ret = gss_add_oid_set_member(minor_status, + GSS_KRB5_MECHANISM, + mech_types); + if (ret) + gss_release_oid_set(NULL, mech_types); + + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/inquire_names_for_mech.c b/source4/heimdal/lib/gssapi/krb5/inquire_names_for_mech.c new file mode 100644 index 0000000000..c07eb60108 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/inquire_names_for_mech.c @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + + +static gss_OID *name_list[] = { + &GSS_C_NT_HOSTBASED_SERVICE, + &GSS_C_NT_USER_NAME, + &GSS_KRB5_NT_PRINCIPAL_NAME, + &GSS_C_NT_EXPORT_NAME, + NULL +}; + +OM_uint32 _gsskrb5_inquire_names_for_mech ( + OM_uint32 * minor_status, + const gss_OID mechanism, + gss_OID_set * name_types + ) +{ + OM_uint32 ret; + int i; + + *minor_status = 0; + + if (gss_oid_equal(mechanism, GSS_KRB5_MECHANISM) == 0 && + gss_oid_equal(mechanism, GSS_C_NULL_OID) == 0) { + *name_types = GSS_C_NO_OID_SET; + return GSS_S_BAD_MECH; + } + + ret = gss_create_empty_oid_set(minor_status, name_types); + if (ret != GSS_S_COMPLETE) + return ret; + + for (i = 0; name_list[i] != NULL; i++) { + ret = gss_add_oid_set_member(minor_status, + *(name_list[i]), + name_types); + if (ret != GSS_S_COMPLETE) + break; + } + + if (ret != GSS_S_COMPLETE) + gss_release_oid_set(NULL, name_types); + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/inquire_sec_context_by_oid.c b/source4/heimdal/lib/gssapi/krb5/inquire_sec_context_by_oid.c new file mode 100644 index 0000000000..24b640f4b5 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/inquire_sec_context_by_oid.c @@ -0,0 +1,561 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static int +oid_prefix_equal(gss_OID oid_enc, gss_OID prefix_enc, unsigned *suffix) +{ + int ret; + heim_oid oid; + heim_oid prefix; + + *suffix = 0; + + ret = der_get_oid(oid_enc->elements, oid_enc->length, + &oid, NULL); + if (ret) { + return 0; + } + + ret = der_get_oid(prefix_enc->elements, prefix_enc->length, + &prefix, NULL); + if (ret) { + der_free_oid(&oid); + return 0; + } + + ret = 0; + + if (oid.length - 1 == prefix.length) { + *suffix = oid.components[oid.length - 1]; + oid.length--; + ret = (der_heim_oid_cmp(&oid, &prefix) == 0); + oid.length++; + } + + der_free_oid(&oid); + der_free_oid(&prefix); + + return ret; +} + +static OM_uint32 inquire_sec_context_tkt_flags + (OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + gss_buffer_set_t *data_set) +{ + OM_uint32 tkt_flags; + unsigned char buf[4]; + gss_buffer_desc value; + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + + if (context_handle->ticket == NULL) { + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + _gsskrb5_set_status(EINVAL, "No ticket from which to obtain flags"); + *minor_status = EINVAL; + return GSS_S_BAD_MECH; + } + + tkt_flags = TicketFlags2int(context_handle->ticket->ticket.flags); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + _gsskrb5_encode_om_uint32(tkt_flags, buf); + value.length = sizeof(buf); + value.value = buf; + + return gss_add_buffer_set_member(minor_status, + &value, + data_set); +} + +enum keytype { ACCEPTOR_KEY, INITIATOR_KEY, TOKEN_KEY }; + +static OM_uint32 inquire_sec_context_get_subkey + (OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + enum keytype keytype, + gss_buffer_set_t *data_set) +{ + krb5_keyblock *key = NULL; + krb5_storage *sp = NULL; + krb5_data data; + OM_uint32 maj_stat = GSS_S_COMPLETE; + krb5_error_code ret; + + krb5_data_zero(&data); + + sp = krb5_storage_emem(); + if (sp == NULL) { + _gsskrb5_clear_status(); + ret = ENOMEM; + goto out; + } + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + switch(keytype) { + case ACCEPTOR_KEY: + ret = _gsskrb5i_get_acceptor_subkey(context_handle, context, &key); + break; + case INITIATOR_KEY: + ret = _gsskrb5i_get_initiator_subkey(context_handle, context, &key); + break; + case TOKEN_KEY: + ret = _gsskrb5i_get_token_key(context_handle, context, &key); + break; + default: + _gsskrb5_set_status(EINVAL, "%d is not a valid subkey type", keytype); + ret = EINVAL; + break; + } + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + if (ret) + goto out; + if (key == NULL) { + _gsskrb5_set_status(EINVAL, "have no subkey of type %d", keytype); + ret = EINVAL; + goto out; + } + + ret = krb5_store_keyblock(sp, *key); + krb5_free_keyblock (context, key); + if (ret) + goto out; + + ret = krb5_storage_to_data(sp, &data); + if (ret) + goto out; + + { + gss_buffer_desc value; + + value.length = data.length; + value.value = data.data; + + maj_stat = gss_add_buffer_set_member(minor_status, + &value, + data_set); + } + +out: + krb5_data_free(&data); + if (sp) + krb5_storage_free(sp); + if (ret) { + *minor_status = ret; + maj_stat = GSS_S_FAILURE; + } + return maj_stat; +} + +static OM_uint32 inquire_sec_context_authz_data + (OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + unsigned ad_type, + gss_buffer_set_t *data_set) +{ + krb5_data data; + gss_buffer_desc ad_data; + OM_uint32 ret; + + *minor_status = 0; + *data_set = GSS_C_NO_BUFFER_SET; + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + if (context_handle->ticket == NULL) { + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + *minor_status = EINVAL; + _gsskrb5_set_status(EINVAL, "No ticket to obtain authz data from"); + return GSS_S_NO_CONTEXT; + } + + ret = krb5_ticket_get_authorization_data_type(context, + context_handle->ticket, + ad_type, + &data); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ad_data.value = data.data; + ad_data.length = data.length; + + ret = gss_add_buffer_set_member(minor_status, + &ad_data, + data_set); + + krb5_data_free(&data); + + return ret; +} + +static OM_uint32 inquire_sec_context_has_updated_spnego + (OM_uint32 *minor_status, + const gsskrb5_ctx context_handle, + gss_buffer_set_t *data_set) +{ + int is_updated = 0; + + *minor_status = 0; + *data_set = GSS_C_NO_BUFFER_SET; + + /* + * For Windows SPNEGO implementations, both the initiator and the + * acceptor are assumed to have been updated if a "newer" [CLAR] or + * different enctype is negotiated for use by the Kerberos GSS-API + * mechanism. + */ + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + _gsskrb5i_is_cfx(context_handle, &is_updated); + if (is_updated == 0) { + krb5_keyblock *acceptor_subkey; + + if (context_handle->more_flags & LOCAL) + acceptor_subkey = context_handle->auth_context->remote_subkey; + else + acceptor_subkey = context_handle->auth_context->local_subkey; + + if (acceptor_subkey != NULL) + is_updated = (acceptor_subkey->keytype != + context_handle->auth_context->keyblock->keytype); + } + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + return is_updated ? GSS_S_COMPLETE : GSS_S_FAILURE; +} + +/* + * + */ + +static OM_uint32 +export_lucid_sec_context_v1(OM_uint32 *minor_status, + gsskrb5_ctx context_handle, + krb5_context context, + gss_buffer_set_t *data_set) +{ + krb5_storage *sp = NULL; + OM_uint32 major_status = GSS_S_COMPLETE; + krb5_error_code ret; + krb5_keyblock *key = NULL; + int32_t number; + int is_cfx; + krb5_data data; + + *minor_status = 0; + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + + _gsskrb5i_is_cfx(context_handle, &is_cfx); + + sp = krb5_storage_emem(); + if (sp == NULL) { + _gsskrb5_clear_status(); + ret = ENOMEM; + goto out; + } + + ret = krb5_store_int32(sp, 1); + if (ret) goto out; + ret = krb5_store_int32(sp, (context_handle->more_flags & LOCAL) ? 1 : 0); + if (ret) goto out; + ret = krb5_store_int32(sp, context_handle->lifetime); + if (ret) goto out; + krb5_auth_con_getlocalseqnumber (context, + context_handle->auth_context, + &number); + ret = krb5_store_uint32(sp, (uint32_t)0); /* store top half as zero */ + if (ret) goto out; + ret = krb5_store_uint32(sp, (uint32_t)number); + if (ret) goto out; + krb5_auth_getremoteseqnumber (context, + context_handle->auth_context, + &number); + ret = krb5_store_uint32(sp, (uint32_t)0); /* store top half as zero */ + if (ret) goto out; + ret = krb5_store_uint32(sp, (uint32_t)number); + if (ret) goto out; + ret = krb5_store_int32(sp, (is_cfx) ? 1 : 0); + if (ret) goto out; + + ret = _gsskrb5i_get_token_key(context_handle, context, &key); + if (ret) goto out; + + if (is_cfx == 0) { + int sign_alg, seal_alg; + + switch (key->keytype) { + case ETYPE_DES_CBC_CRC: + case ETYPE_DES_CBC_MD4: + case ETYPE_DES_CBC_MD5: + sign_alg = 0; + seal_alg = 0; + break; + case ETYPE_DES3_CBC_MD5: + case ETYPE_DES3_CBC_SHA1: + sign_alg = 4; + seal_alg = 2; + break; + case ETYPE_ARCFOUR_HMAC_MD5: + case ETYPE_ARCFOUR_HMAC_MD5_56: + sign_alg = 17; + seal_alg = 16; + break; + default: + sign_alg = -1; + seal_alg = -1; + break; + } + ret = krb5_store_int32(sp, sign_alg); + if (ret) goto out; + ret = krb5_store_int32(sp, seal_alg); + if (ret) goto out; + /* ctx_key */ + ret = krb5_store_keyblock(sp, *key); + if (ret) goto out; + } else { + int subkey_p = (context_handle->more_flags & ACCEPTOR_SUBKEY) ? 1 : 0; + + /* have_acceptor_subkey */ + ret = krb5_store_int32(sp, subkey_p); + if (ret) goto out; + /* ctx_key */ + ret = krb5_store_keyblock(sp, *key); + if (ret) goto out; + /* acceptor_subkey */ + if (subkey_p) { + ret = krb5_store_keyblock(sp, *key); + if (ret) goto out; + } + } + ret = krb5_storage_to_data(sp, &data); + if (ret) goto out; + + { + gss_buffer_desc ad_data; + + ad_data.value = data.data; + ad_data.length = data.length; + + ret = gss_add_buffer_set_member(minor_status, &ad_data, data_set); + krb5_data_free(&data); + if (ret) + goto out; + } + +out: + if (key) + krb5_free_keyblock (context, key); + if (sp) + krb5_storage_free(sp); + if (ret) { + *minor_status = ret; + major_status = GSS_S_FAILURE; + } + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return major_status; +} + +static OM_uint32 +get_authtime(OM_uint32 *minor_status, + gsskrb5_ctx ctx, + gss_buffer_set_t *data_set) + +{ + gss_buffer_desc value; + unsigned char buf[4]; + OM_uint32 authtime; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + if (ctx->ticket == NULL) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + _gsskrb5_set_status(EINVAL, "No ticket to obtain auth time from"); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + authtime = ctx->ticket->ticket.authtime; + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + _gsskrb5_encode_om_uint32(authtime, buf); + value.length = sizeof(buf); + value.value = buf; + + return gss_add_buffer_set_member(minor_status, + &value, + data_set); +} + + +static OM_uint32 +get_service_keyblock + (OM_uint32 *minor_status, + gsskrb5_ctx ctx, + gss_buffer_set_t *data_set) +{ + krb5_storage *sp = NULL; + krb5_data data; + OM_uint32 maj_stat = GSS_S_COMPLETE; + krb5_error_code ret = EINVAL; + + sp = krb5_storage_emem(); + if (sp == NULL) { + _gsskrb5_clear_status(); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + if (ctx->service_keyblock == NULL) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + _gsskrb5_set_status(EINVAL, "No service keyblock on gssapi context"); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + krb5_data_zero(&data); + + ret = krb5_store_keyblock(sp, *ctx->service_keyblock); + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + if (ret) + goto out; + + ret = krb5_storage_to_data(sp, &data); + if (ret) + goto out; + + { + gss_buffer_desc value; + + value.length = data.length; + value.value = data.data; + + maj_stat = gss_add_buffer_set_member(minor_status, + &value, + data_set); + } + +out: + krb5_data_free(&data); + if (sp) + krb5_storage_free(sp); + if (ret) { + *minor_status = ret; + maj_stat = GSS_S_FAILURE; + } + return maj_stat; +} +/* + * + */ + +OM_uint32 _gsskrb5_inquire_sec_context_by_oid + (OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set) +{ + krb5_context context; + const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle; + unsigned suffix; + + if (ctx == NULL) { + *minor_status = EINVAL; + return GSS_S_NO_CONTEXT; + } + + GSSAPI_KRB5_INIT (&context); + + if (gss_oid_equal(desired_object, GSS_KRB5_GET_TKT_FLAGS_X)) { + return inquire_sec_context_tkt_flags(minor_status, + ctx, + data_set); + } else if (gss_oid_equal(desired_object, GSS_C_PEER_HAS_UPDATED_SPNEGO)) { + return inquire_sec_context_has_updated_spnego(minor_status, + ctx, + data_set); + } else if (gss_oid_equal(desired_object, GSS_KRB5_GET_SUBKEY_X)) { + return inquire_sec_context_get_subkey(minor_status, + ctx, + context, + TOKEN_KEY, + data_set); + } else if (gss_oid_equal(desired_object, GSS_KRB5_GET_INITIATOR_SUBKEY_X)) { + return inquire_sec_context_get_subkey(minor_status, + ctx, + context, + INITIATOR_KEY, + data_set); + } else if (gss_oid_equal(desired_object, GSS_KRB5_GET_ACCEPTOR_SUBKEY_X)) { + return inquire_sec_context_get_subkey(minor_status, + ctx, + context, + ACCEPTOR_KEY, + data_set); + } else if (gss_oid_equal(desired_object, GSS_KRB5_GET_AUTHTIME_X)) { + return get_authtime(minor_status, ctx, data_set); + } else if (oid_prefix_equal(desired_object, + GSS_KRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT_X, + &suffix)) { + return inquire_sec_context_authz_data(minor_status, + ctx, + context, + suffix, + data_set); + } else if (oid_prefix_equal(desired_object, + GSS_KRB5_EXPORT_LUCID_CONTEXT_X, + &suffix)) { + if (suffix == 1) + return export_lucid_sec_context_v1(minor_status, + ctx, + context, + data_set); + *minor_status = 0; + return GSS_S_FAILURE; + } else if (gss_oid_equal(desired_object, GSS_KRB5_GET_SERVICE_KEYBLOCK_X)) { + return get_service_keyblock(minor_status, ctx, data_set); + } else { + *minor_status = 0; + return GSS_S_FAILURE; + } +} + diff --git a/source4/heimdal/lib/gssapi/krb5/prf.c b/source4/heimdal/lib/gssapi/krb5/prf.c new file mode 100644 index 0000000000..a7372d87cc --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/prf.c @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2007 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 +_gsskrb5_pseudo_random(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int prf_key, + const gss_buffer_t prf_in, + ssize_t desired_output_len, + gss_buffer_t prf_out) +{ + gsskrb5_ctx ctx = (gsskrb5_ctx)context_handle; + krb5_context context; + krb5_error_code ret; + krb5_crypto crypto; + krb5_data input, output; + uint32_t num; + unsigned char *p; + krb5_keyblock *key = NULL; + + if (ctx == NULL) { + *minor_status = 0; + return GSS_S_NO_CONTEXT; + } + + if (desired_output_len <= 0) { + *minor_status = 0; + return GSS_S_FAILURE; + } + + GSSAPI_KRB5_INIT (&context); + + switch(prf_key) { + case GSS_C_PRF_KEY_FULL: + _gsskrb5i_get_acceptor_subkey(ctx, context, &key); + break; + case GSS_C_PRF_KEY_PARTIAL: + _gsskrb5i_get_initiator_subkey(ctx, context, &key); + break; + default: + _gsskrb5_set_status(EINVAL, "unknown kerberos prf_key"); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + if (key == NULL) { + _gsskrb5_set_status(EINVAL, "no prf_key found"); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + ret = krb5_crypto_init(context, key, 0, &crypto); + krb5_free_keyblock (context, key); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + prf_out->value = malloc(desired_output_len); + if (prf_out->value == NULL) { + _gsskrb5_set_status(GSS_KRB5_S_KG_INPUT_TOO_LONG, "Out of memory"); + *minor_status = GSS_KRB5_S_KG_INPUT_TOO_LONG; + krb5_crypto_destroy(context, crypto); + return GSS_S_FAILURE; + } + prf_out->length = desired_output_len; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + input.length = prf_in->length + 4; + input.data = malloc(prf_in->length + 4); + if (input.data == NULL) { + OM_uint32 junk; + _gsskrb5_set_status(GSS_KRB5_S_KG_INPUT_TOO_LONG, "Out of memory"); + *minor_status = GSS_KRB5_S_KG_INPUT_TOO_LONG; + gss_release_buffer(&junk, prf_out); + krb5_crypto_destroy(context, crypto); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_FAILURE; + } + memcpy(((unsigned char *)input.data) + 4, prf_in->value, prf_in->length); + + num = 0; + p = prf_out->value; + while(desired_output_len > 0) { + _gsskrb5_encode_om_uint32(num, input.data); + ret = krb5_crypto_prf(context, crypto, &input, &output); + if (ret) { + OM_uint32 junk; + *minor_status = ret; + free(input.data); + gss_release_buffer(&junk, prf_out); + krb5_crypto_destroy(context, crypto); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_FAILURE; + } + memcpy(p, output.data, min(desired_output_len, output.length)); + p += output.length; + desired_output_len -= output.length; + krb5_data_free(&output); + num++; + } + + krb5_crypto_destroy(context, crypto); + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/process_context_token.c b/source4/heimdal/lib/gssapi/krb5/process_context_token.c new file mode 100644 index 0000000000..80d96f5ce4 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/process_context_token.c @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_process_context_token ( + OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t token_buffer + ) +{ + krb5_context context; + OM_uint32 ret = GSS_S_FAILURE; + gss_buffer_desc empty_buffer; + gss_qop_t qop_state; + + empty_buffer.length = 0; + empty_buffer.value = NULL; + + GSSAPI_KRB5_INIT (&context); + + qop_state = GSS_C_QOP_DEFAULT; + + ret = _gsskrb5_verify_mic_internal(minor_status, + (gsskrb5_ctx)context_handle, + context, + token_buffer, &empty_buffer, + GSS_C_QOP_DEFAULT, "\x01\x02"); + + if (ret == GSS_S_COMPLETE) + ret = _gsskrb5_delete_sec_context(minor_status, + rk_UNCONST(&context_handle), + GSS_C_NO_BUFFER); + if (ret == GSS_S_COMPLETE) + *minor_status = 0; + + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/release_buffer.c b/source4/heimdal/lib/gssapi/krb5/release_buffer.c new file mode 100644 index 0000000000..e2f1f4ec14 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/release_buffer.c @@ -0,0 +1,48 @@ +/* + * Copyright (c) 1997 - 2000, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_release_buffer + (OM_uint32 * minor_status, + gss_buffer_t buffer + ) +{ + *minor_status = 0; + free (buffer->value); + buffer->value = NULL; + buffer->length = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/release_cred.c b/source4/heimdal/lib/gssapi/krb5/release_cred.c new file mode 100644 index 0000000000..1becd1c6b1 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/release_cred.c @@ -0,0 +1,80 @@ +/* + * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_release_cred + (OM_uint32 * minor_status, + gss_cred_id_t * cred_handle + ) +{ + krb5_context context; + gsskrb5_cred cred; + OM_uint32 junk; + + *minor_status = 0; + + if (*cred_handle == NULL) + return GSS_S_COMPLETE; + + cred = (gsskrb5_cred)*cred_handle; + *cred_handle = GSS_C_NO_CREDENTIAL; + + GSSAPI_KRB5_INIT (&context); + + HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); + + if (cred->principal != NULL) + krb5_free_principal(context, cred->principal); + if (cred->keytab != NULL) + krb5_kt_close(context, cred->keytab); + if (cred->ccache != NULL) { + const krb5_cc_ops *ops; + ops = krb5_cc_get_ops(context, cred->ccache); + if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE) + krb5_cc_destroy(context, cred->ccache); + else + krb5_cc_close(context, cred->ccache); + } + gss_release_oid_set(&junk, &cred->mechanisms); + if (cred->enctypes) + free(cred->enctypes); + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex); + memset(cred, 0, sizeof(*cred)); + free(cred); + return GSS_S_COMPLETE; +} + diff --git a/source4/heimdal/lib/gssapi/krb5/release_name.c b/source4/heimdal/lib/gssapi/krb5/release_name.c new file mode 100644 index 0000000000..e2ff9dde31 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/release_name.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +OM_uint32 _gsskrb5_release_name + (OM_uint32 * minor_status, + gss_name_t * input_name + ) +{ + krb5_context context; + krb5_principal name = (krb5_principal)*input_name; + + *minor_status = 0; + + GSSAPI_KRB5_INIT (&context); + + *input_name = GSS_C_NO_NAME; + + krb5_free_principal(context, name); + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/sequence.c b/source4/heimdal/lib/gssapi/krb5/sequence.c new file mode 100644 index 0000000000..b40fe52578 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/sequence.c @@ -0,0 +1,294 @@ +/* + * Copyright (c) 2003 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +#define DEFAULT_JITTER_WINDOW 20 + +struct gss_msg_order { + OM_uint32 flags; + OM_uint32 start; + OM_uint32 length; + OM_uint32 jitter_window; + OM_uint32 first_seq; + OM_uint32 elem[1]; +}; + + +/* + * + */ + +static OM_uint32 +msg_order_alloc(OM_uint32 *minor_status, + struct gss_msg_order **o, + OM_uint32 jitter_window) +{ + size_t len; + + len = jitter_window * sizeof((*o)->elem[0]); + len += sizeof(**o); + len -= sizeof((*o)->elem[0]); + + *o = calloc(1, len); + if (*o == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +/* + * + */ + +OM_uint32 +_gssapi_msg_order_create(OM_uint32 *minor_status, + struct gss_msg_order **o, + OM_uint32 flags, + OM_uint32 seq_num, + OM_uint32 jitter_window, + int use_64) +{ + OM_uint32 ret; + + if (jitter_window == 0) + jitter_window = DEFAULT_JITTER_WINDOW; + + ret = msg_order_alloc(minor_status, o, jitter_window); + if(ret != GSS_S_COMPLETE) + return ret; + + (*o)->flags = flags; + (*o)->length = 0; + (*o)->first_seq = seq_num; + (*o)->jitter_window = jitter_window; + (*o)->elem[0] = seq_num - 1; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 +_gssapi_msg_order_destroy(struct gss_msg_order **m) +{ + free(*m); + *m = NULL; + return GSS_S_COMPLETE; +} + +static void +elem_set(struct gss_msg_order *o, unsigned int slot, OM_uint32 val) +{ + o->elem[slot % o->jitter_window] = val; +} + +static void +elem_insert(struct gss_msg_order *o, + unsigned int after_slot, + OM_uint32 seq_num) +{ + assert(o->jitter_window > after_slot); + + if (o->length > after_slot) + memmove(&o->elem[after_slot + 1], &o->elem[after_slot], + (o->length - after_slot - 1) * sizeof(o->elem[0])); + + elem_set(o, after_slot, seq_num); + + if (o->length < o->jitter_window) + o->length++; +} + +/* rule 1: expected sequence number */ +/* rule 2: > expected sequence number */ +/* rule 3: seqnum < seqnum(first) */ +/* rule 4+5: seqnum in [seqnum(first),seqnum(last)] */ + +OM_uint32 +_gssapi_msg_order_check(struct gss_msg_order *o, OM_uint32 seq_num) +{ + OM_uint32 r; + int i; + + if (o == NULL) + return GSS_S_COMPLETE; + + if ((o->flags & (GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG)) == 0) + return GSS_S_COMPLETE; + + /* check if the packet is the next in order */ + if (o->elem[0] == seq_num - 1) { + elem_insert(o, 0, seq_num); + return GSS_S_COMPLETE; + } + + r = (o->flags & (GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG))==GSS_C_REPLAY_FLAG; + + /* sequence number larger then largest sequence number + * or smaller then the first sequence number */ + if (seq_num > o->elem[0] + || seq_num < o->first_seq + || o->length == 0) + { + elem_insert(o, 0, seq_num); + if (r) { + return GSS_S_COMPLETE; + } else { + return GSS_S_GAP_TOKEN; + } + } + + assert(o->length > 0); + + /* sequence number smaller the first sequence number */ + if (seq_num < o->elem[o->length - 1]) { + if (r) + return(GSS_S_OLD_TOKEN); + else + return(GSS_S_UNSEQ_TOKEN); + } + + if (seq_num == o->elem[o->length - 1]) { + return GSS_S_DUPLICATE_TOKEN; + } + + for (i = 0; i < o->length - 1; i++) { + if (o->elem[i] == seq_num) + return GSS_S_DUPLICATE_TOKEN; + if (o->elem[i + 1] < seq_num && o->elem[i] < seq_num) { + elem_insert(o, i, seq_num); + if (r) + return GSS_S_COMPLETE; + else + return GSS_S_UNSEQ_TOKEN; + } + } + + return GSS_S_FAILURE; +} + +OM_uint32 +_gssapi_msg_order_f(OM_uint32 flags) +{ + return flags & (GSS_C_SEQUENCE_FLAG|GSS_C_REPLAY_FLAG); +} + +/* + * Translate `o` into inter-process format and export in to `sp'. + */ + +krb5_error_code +_gssapi_msg_order_export(krb5_storage *sp, struct gss_msg_order *o) +{ + krb5_error_code kret; + OM_uint32 i; + + kret = krb5_store_int32(sp, o->flags); + if (kret) + return kret; + kret = krb5_store_int32(sp, o->start); + if (kret) + return kret; + kret = krb5_store_int32(sp, o->length); + if (kret) + return kret; + kret = krb5_store_int32(sp, o->jitter_window); + if (kret) + return kret; + kret = krb5_store_int32(sp, o->first_seq); + if (kret) + return kret; + + for (i = 0; i < o->jitter_window; i++) { + kret = krb5_store_int32(sp, o->elem[i]); + if (kret) + return kret; + } + + return 0; +} + +OM_uint32 +_gssapi_msg_order_import(OM_uint32 *minor_status, + krb5_storage *sp, + struct gss_msg_order **o) +{ + OM_uint32 ret; + krb5_error_code kret; + int32_t i, flags, start, length, jitter_window, first_seq; + + kret = krb5_ret_int32(sp, &flags); + if (kret) + goto failed; + kret = krb5_ret_int32(sp, &start); + if (kret) + goto failed; + kret = krb5_ret_int32(sp, &length); + if (kret) + goto failed; + kret = krb5_ret_int32(sp, &jitter_window); + if (kret) + goto failed; + kret = krb5_ret_int32(sp, &first_seq); + if (kret) + goto failed; + + ret = msg_order_alloc(minor_status, o, jitter_window); + if (ret != GSS_S_COMPLETE) + return ret; + + (*o)->flags = flags; + (*o)->start = start; + (*o)->length = length; + (*o)->jitter_window = jitter_window; + (*o)->first_seq = first_seq; + + for( i = 0; i < jitter_window; i++ ) { + kret = krb5_ret_int32(sp, (int32_t*)&((*o)->elem[i])); + if (kret) + goto failed; + } + + *minor_status = 0; + return GSS_S_COMPLETE; + +failed: + _gssapi_msg_order_destroy(o); + *minor_status = kret; + return GSS_S_FAILURE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/set_cred_option.c b/source4/heimdal/lib/gssapi/krb5/set_cred_option.c new file mode 100644 index 0000000000..e47e6fdb6c --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/set_cred_option.c @@ -0,0 +1,264 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +/* 1.2.752.43.13.17 */ +static gss_OID_desc gss_krb5_cred_no_ci_flags_x_oid_desc = +{6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x11")}; + +gss_OID GSS_KRB5_CRED_NO_CI_FLAGS_X = &gss_krb5_cred_no_ci_flags_x_oid_desc; + +/* 1.2.752.43.13.18 */ +static gss_OID_desc gss_krb5_import_cred_x_oid_desc = +{6, rk_UNCONST("\x2a\x85\x70\x2b\x0d\x12")}; + +gss_OID GSS_KRB5_IMPORT_CRED_X = &gss_krb5_import_cred_x_oid_desc; + + + +static OM_uint32 +import_cred(OM_uint32 *minor_status, + krb5_context context, + gss_cred_id_t *cred_handle, + const gss_buffer_t value) +{ + OM_uint32 major_stat; + krb5_error_code ret; + krb5_principal keytab_principal = NULL; + krb5_keytab keytab = NULL; + krb5_storage *sp = NULL; + krb5_ccache id = NULL; + char *str; + + if (cred_handle == NULL || *cred_handle != GSS_C_NO_CREDENTIAL) { + *minor_status = 0; + return GSS_S_FAILURE; + } + + sp = krb5_storage_from_mem(value->value, value->length); + if (sp == NULL) { + *minor_status = 0; + return GSS_S_FAILURE; + } + + /* credential cache name */ + ret = krb5_ret_string(sp, &str); + if (ret) { + *minor_status = ret; + major_stat = GSS_S_FAILURE; + goto out; + } + if (str[0]) { + ret = krb5_cc_resolve(context, str, &id); + if (ret) { + *minor_status = ret; + major_stat = GSS_S_FAILURE; + goto out; + } + } + free(str); + str = NULL; + + /* keytab principal name */ + ret = krb5_ret_string(sp, &str); + if (ret == 0 && str[0]) + ret = krb5_parse_name(context, str, &keytab_principal); + if (ret) { + *minor_status = ret; + major_stat = GSS_S_FAILURE; + goto out; + } + free(str); + str = NULL; + + /* keytab principal */ + ret = krb5_ret_string(sp, &str); + if (ret) { + *minor_status = ret; + major_stat = GSS_S_FAILURE; + goto out; + } + if (str[0]) { + ret = krb5_kt_resolve(context, str, &keytab); + if (ret) { + *minor_status = ret; + major_stat = GSS_S_FAILURE; + goto out; + } + } + free(str); + str = NULL; + + major_stat = _gsskrb5_import_cred(minor_status, id, keytab_principal, + keytab, cred_handle); +out: + if (id) + krb5_cc_close(context, id); + if (keytab_principal) + krb5_free_principal(context, keytab_principal); + if (keytab) + krb5_kt_close(context, keytab); + if (str) + free(str); + if (sp) + krb5_storage_free(sp); + + return major_stat; +} + + +static OM_uint32 +allowed_enctypes(OM_uint32 *minor_status, + krb5_context context, + gss_cred_id_t *cred_handle, + const gss_buffer_t value) +{ + OM_uint32 major_stat; + krb5_error_code ret; + size_t len, i; + krb5_enctype *enctypes = NULL; + krb5_storage *sp = NULL; + gsskrb5_cred cred; + + if (cred_handle == NULL || *cred_handle == GSS_C_NO_CREDENTIAL) { + *minor_status = 0; + return GSS_S_FAILURE; + } + + cred = (gsskrb5_cred)*cred_handle; + + if ((value->length % 4) != 0) { + *minor_status = 0; + major_stat = GSS_S_FAILURE; + goto out; + } + + len = value->length / 4; + enctypes = malloc((len + 1) * 4); + if (enctypes == NULL) { + *minor_status = ENOMEM; + major_stat = GSS_S_FAILURE; + goto out; + } + + sp = krb5_storage_from_mem(value->value, value->length); + if (sp == NULL) { + *minor_status = ENOMEM; + major_stat = GSS_S_FAILURE; + goto out; + } + + for (i = 0; i < len; i++) { + uint32_t e; + + ret = krb5_ret_uint32(sp, &e); + if (ret) { + *minor_status = ret; + major_stat = GSS_S_FAILURE; + goto out; + } + enctypes[i] = e; + } + enctypes[i] = 0; + + if (cred->enctypes) + free(cred->enctypes); + cred->enctypes = enctypes; + + krb5_storage_free(sp); + + return GSS_S_COMPLETE; + +out: + if (sp) + krb5_storage_free(sp); + if (enctypes) + free(enctypes); + + return major_stat; +} + +static OM_uint32 +no_ci_flags(OM_uint32 *minor_status, + krb5_context context, + gss_cred_id_t *cred_handle, + const gss_buffer_t value) +{ + gsskrb5_cred cred; + + if (cred_handle == NULL || *cred_handle == GSS_C_NO_CREDENTIAL) { + *minor_status = 0; + return GSS_S_FAILURE; + } + + cred = (gsskrb5_cred)*cred_handle; + cred->cred_flags |= GSS_CF_NO_CI_FLAGS; + + *minor_status = 0; + return GSS_S_COMPLETE; + +} + + +OM_uint32 +_gsskrb5_set_cred_option + (OM_uint32 *minor_status, + gss_cred_id_t *cred_handle, + const gss_OID desired_object, + const gss_buffer_t value) +{ + krb5_context context; + + GSSAPI_KRB5_INIT (&context); + + if (value == GSS_C_NO_BUFFER) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + if (gss_oid_equal(desired_object, GSS_KRB5_IMPORT_CRED_X)) + return import_cred(minor_status, context, cred_handle, value); + + if (gss_oid_equal(desired_object, GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X)) + return allowed_enctypes(minor_status, context, cred_handle, value); + + if (gss_oid_equal(desired_object, GSS_KRB5_CRED_NO_CI_FLAGS_X)) { + return no_ci_flags(minor_status, context, cred_handle, value); + } + + + *minor_status = EINVAL; + return GSS_S_FAILURE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/set_sec_context_option.c b/source4/heimdal/lib/gssapi/krb5/set_sec_context_option.c new file mode 100644 index 0000000000..f28d2397be --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/set_sec_context_option.c @@ -0,0 +1,251 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * glue routine for _gsskrb5_inquire_sec_context_by_oid + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static OM_uint32 +get_bool(OM_uint32 *minor_status, + const gss_buffer_t value, + int *flag) +{ + if (value->value == NULL || value->length != 1) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + *flag = *((const char *)value->value) != 0; + return GSS_S_COMPLETE; +} + +static OM_uint32 +get_string(OM_uint32 *minor_status, + const gss_buffer_t value, + char **str) +{ + if (value == NULL || value->length == 0) { + *str = NULL; + } else { + *str = malloc(value->length + 1); + if (*str == NULL) { + *minor_status = 0; + return GSS_S_UNAVAILABLE; + } + memcpy(*str, value->value, value->length); + (*str)[value->length] = '\0'; + } + return GSS_S_COMPLETE; +} + +static OM_uint32 +get_int32(OM_uint32 *minor_status, + const gss_buffer_t value, + OM_uint32 *ret) +{ + *minor_status = 0; + if (value == NULL || value->length == 0) + *ret = 0; + else if (value->length == sizeof(*ret)) + memcpy(ret, value->value, sizeof(*ret)); + else + return GSS_S_UNAVAILABLE; + + return GSS_S_COMPLETE; +} + +static OM_uint32 +set_int32(OM_uint32 *minor_status, + const gss_buffer_t value, + OM_uint32 set) +{ + *minor_status = 0; + if (value->length == sizeof(set)) + memcpy(value->value, &set, sizeof(set)); + else + return GSS_S_UNAVAILABLE; + + return GSS_S_COMPLETE; +} + +OM_uint32 +_gsskrb5_set_sec_context_option + (OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + const gss_OID desired_object, + const gss_buffer_t value) +{ + krb5_context context; + OM_uint32 maj_stat; + + GSSAPI_KRB5_INIT (&context); + + if (value == GSS_C_NO_BUFFER) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + if (gss_oid_equal(desired_object, GSS_KRB5_COMPAT_DES3_MIC_X)) { + gsskrb5_ctx ctx; + int flag; + + if (*context_handle == GSS_C_NO_CONTEXT) { + *minor_status = EINVAL; + return GSS_S_NO_CONTEXT; + } + + maj_stat = get_bool(minor_status, value, &flag); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + + ctx = (gsskrb5_ctx)*context_handle; + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + if (flag) + ctx->more_flags |= COMPAT_OLD_DES3; + else + ctx->more_flags &= ~COMPAT_OLD_DES3; + ctx->more_flags |= COMPAT_OLD_DES3_SELECTED; + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_COMPLETE; + } else if (gss_oid_equal(desired_object, GSS_KRB5_SET_DNS_CANONICALIZE_X)) { + int flag; + + maj_stat = get_bool(minor_status, value, &flag); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + + krb5_set_dns_canonicalize_hostname(context, flag); + return GSS_S_COMPLETE; + + } else if (gss_oid_equal(desired_object, GSS_KRB5_REGISTER_ACCEPTOR_IDENTITY_X)) { + char *str; + + maj_stat = get_string(minor_status, value, &str); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + + _gsskrb5_register_acceptor_identity(str); + free(str); + + *minor_status = 0; + return GSS_S_COMPLETE; + + } else if (gss_oid_equal(desired_object, GSS_KRB5_SET_DEFAULT_REALM_X)) { + char *str; + + maj_stat = get_string(minor_status, value, &str); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + if (str == NULL) { + *minor_status = 0; + return GSS_S_CALL_INACCESSIBLE_READ; + } + + krb5_set_default_realm(context, str); + free(str); + + *minor_status = 0; + return GSS_S_COMPLETE; + + } else if (gss_oid_equal(desired_object, GSS_KRB5_SEND_TO_KDC_X)) { + + if (value == NULL || value->length == 0) { + krb5_set_send_to_kdc_func(context, NULL, NULL); + } else { + struct gsskrb5_send_to_kdc c; + + if (value->length != sizeof(c)) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + memcpy(&c, value->value, sizeof(c)); + krb5_set_send_to_kdc_func(context, + (krb5_send_to_kdc_func)c.func, + c.ptr); + } + + *minor_status = 0; + return GSS_S_COMPLETE; + } else if (gss_oid_equal(desired_object, GSS_KRB5_CCACHE_NAME_X)) { + char *str; + + maj_stat = get_string(minor_status, value, &str); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + if (str == NULL) { + *minor_status = 0; + return GSS_S_CALL_INACCESSIBLE_READ; + } + + *minor_status = krb5_cc_set_default_name(context, str); + free(str); + if (*minor_status) + return GSS_S_FAILURE; + + return GSS_S_COMPLETE; + } else if (gss_oid_equal(desired_object, GSS_KRB5_SET_TIME_OFFSET_X)) { + OM_uint32 offset; + time_t t; + + maj_stat = get_int32(minor_status, value, &offset); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + + t = time(NULL) + offset; + + krb5_set_real_time(context, t, 0); + + *minor_status = 0; + return GSS_S_COMPLETE; + } else if (gss_oid_equal(desired_object, GSS_KRB5_GET_TIME_OFFSET_X)) { + krb5_timestamp sec; + int32_t usec; + time_t t; + + t = time(NULL); + + krb5_us_timeofday (context, &sec, &usec); + + maj_stat = set_int32(minor_status, value, sec - t); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + + *minor_status = 0; + return GSS_S_COMPLETE; + } + + *minor_status = EINVAL; + return GSS_S_FAILURE; +} diff --git a/source4/heimdal/lib/gssapi/krb5/unwrap.c b/source4/heimdal/lib/gssapi/krb5/unwrap.c new file mode 100644 index 0000000000..727bbf7403 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/unwrap.c @@ -0,0 +1,437 @@ +/* + * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static OM_uint32 +unwrap_des + (OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int * conf_state, + gss_qop_t * qop_state, + krb5_keyblock *key + ) +{ + u_char *p, *seq; + size_t len; + MD5_CTX md5; + u_char hash[16]; + DES_key_schedule schedule; + DES_cblock deskey; + DES_cblock zero; + int i; + uint32_t seq_number; + size_t padlength; + OM_uint32 ret; + int cstate; + int cmp; + int token_len; + + if (IS_DCE_STYLE(context_handle)) { + token_len = 22 + 8 + 15; /* 45 */ + } else { + token_len = input_message_buffer->length; + } + + p = input_message_buffer->value; + ret = _gsskrb5_verify_header (&p, + token_len, + "\x02\x01", + GSS_KRB5_MECHANISM); + if (ret) + return ret; + + if (memcmp (p, "\x00\x00", 2) != 0) + return GSS_S_BAD_SIG; + p += 2; + if (memcmp (p, "\x00\x00", 2) == 0) { + cstate = 1; + } else if (memcmp (p, "\xFF\xFF", 2) == 0) { + cstate = 0; + } else + return GSS_S_BAD_MIC; + p += 2; + if(conf_state != NULL) + *conf_state = cstate; + if (memcmp (p, "\xff\xff", 2) != 0) + return GSS_S_DEFECTIVE_TOKEN; + p += 2; + p += 16; + + len = p - (u_char *)input_message_buffer->value; + + if(cstate) { + /* decrypt data */ + memcpy (&deskey, key->keyvalue.data, sizeof(deskey)); + + for (i = 0; i < sizeof(deskey); ++i) + deskey[i] ^= 0xf0; + DES_set_key_unchecked (&deskey, &schedule); + memset (&zero, 0, sizeof(zero)); + DES_cbc_encrypt ((void *)p, + (void *)p, + input_message_buffer->length - len, + &schedule, + &zero, + DES_DECRYPT); + + memset (deskey, 0, sizeof(deskey)); + memset (&schedule, 0, sizeof(schedule)); + } + + if (IS_DCE_STYLE(context_handle)) { + padlength = 0; + } else { + /* check pad */ + ret = _gssapi_verify_pad(input_message_buffer, + input_message_buffer->length - len, + &padlength); + if (ret) + return ret; + } + + MD5_Init (&md5); + MD5_Update (&md5, p - 24, 8); + MD5_Update (&md5, p, input_message_buffer->length - len); + MD5_Final (hash, &md5); + + memset (&zero, 0, sizeof(zero)); + memcpy (&deskey, key->keyvalue.data, sizeof(deskey)); + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_cksum ((void *)hash, (void *)hash, sizeof(hash), + &schedule, &zero); + if (memcmp (p - 8, hash, 8) != 0) + return GSS_S_BAD_MIC; + + /* verify sequence number */ + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + + p -= 16; + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_encrypt ((void *)p, (void *)p, 8, + &schedule, (DES_cblock *)hash, DES_DECRYPT); + + memset (deskey, 0, sizeof(deskey)); + memset (&schedule, 0, sizeof(schedule)); + + seq = p; + _gsskrb5_decode_om_uint32(seq, &seq_number); + + if (context_handle->more_flags & LOCAL) + cmp = memcmp(&seq[4], "\xff\xff\xff\xff", 4); + else + cmp = memcmp(&seq[4], "\x00\x00\x00\x00", 4); + + if (cmp != 0) { + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_BAD_MIC; + } + + ret = _gssapi_msg_order_check(context_handle->order, seq_number); + if (ret) { + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return ret; + } + + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + /* copy out data */ + + output_message_buffer->length = input_message_buffer->length + - len - padlength - 8; + output_message_buffer->value = malloc(output_message_buffer->length); + if(output_message_buffer->length != 0 && output_message_buffer->value == NULL) + return GSS_S_FAILURE; + memcpy (output_message_buffer->value, + p + 24, + output_message_buffer->length); + return GSS_S_COMPLETE; +} + +static OM_uint32 +unwrap_des3 + (OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int * conf_state, + gss_qop_t * qop_state, + krb5_keyblock *key + ) +{ + u_char *p; + size_t len; + u_char *seq; + krb5_data seq_data; + u_char cksum[20]; + uint32_t seq_number; + size_t padlength; + OM_uint32 ret; + int cstate; + krb5_crypto crypto; + Checksum csum; + int cmp; + int token_len; + + if (IS_DCE_STYLE(context_handle)) { + token_len = 34 + 8 + 15; /* 57 */ + } else { + token_len = input_message_buffer->length; + } + + p = input_message_buffer->value; + ret = _gsskrb5_verify_header (&p, + token_len, + "\x02\x01", + GSS_KRB5_MECHANISM); + if (ret) + return ret; + + if (memcmp (p, "\x04\x00", 2) != 0) /* HMAC SHA1 DES3_KD */ + return GSS_S_BAD_SIG; + p += 2; + if (memcmp (p, "\x02\x00", 2) == 0) { + cstate = 1; + } else if (memcmp (p, "\xff\xff", 2) == 0) { + cstate = 0; + } else + return GSS_S_BAD_MIC; + p += 2; + if(conf_state != NULL) + *conf_state = cstate; + if (memcmp (p, "\xff\xff", 2) != 0) + return GSS_S_DEFECTIVE_TOKEN; + p += 2; + p += 28; + + len = p - (u_char *)input_message_buffer->value; + + if(cstate) { + /* decrypt data */ + krb5_data tmp; + + ret = krb5_crypto_init(context, key, + ETYPE_DES3_CBC_NONE, &crypto); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + ret = krb5_decrypt(context, crypto, KRB5_KU_USAGE_SEAL, + p, input_message_buffer->length - len, &tmp); + krb5_crypto_destroy(context, crypto); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + assert (tmp.length == input_message_buffer->length - len); + + memcpy (p, tmp.data, tmp.length); + krb5_data_free(&tmp); + } + + if (IS_DCE_STYLE(context_handle)) { + padlength = 0; + } else { + /* check pad */ + ret = _gssapi_verify_pad(input_message_buffer, + input_message_buffer->length - len, + &padlength); + if (ret) + return ret; + } + + /* verify sequence number */ + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + + p -= 28; + + ret = krb5_crypto_init(context, key, + ETYPE_DES3_CBC_NONE, &crypto); + if (ret) { + *minor_status = ret; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_FAILURE; + } + { + DES_cblock ivec; + + memcpy(&ivec, p + 8, 8); + ret = krb5_decrypt_ivec (context, + crypto, + KRB5_KU_USAGE_SEQ, + p, 8, &seq_data, + &ivec); + } + krb5_crypto_destroy (context, crypto); + if (ret) { + *minor_status = ret; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_FAILURE; + } + if (seq_data.length != 8) { + krb5_data_free (&seq_data); + *minor_status = 0; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_BAD_MIC; + } + + seq = seq_data.data; + _gsskrb5_decode_om_uint32(seq, &seq_number); + + if (context_handle->more_flags & LOCAL) + cmp = memcmp(&seq[4], "\xff\xff\xff\xff", 4); + else + cmp = memcmp(&seq[4], "\x00\x00\x00\x00", 4); + + krb5_data_free (&seq_data); + if (cmp != 0) { + *minor_status = 0; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_BAD_MIC; + } + + ret = _gssapi_msg_order_check(context_handle->order, seq_number); + if (ret) { + *minor_status = 0; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return ret; + } + + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + /* verify checksum */ + + memcpy (cksum, p + 8, 20); + + memcpy (p + 20, p - 8, 8); + + csum.cksumtype = CKSUMTYPE_HMAC_SHA1_DES3; + csum.checksum.length = 20; + csum.checksum.data = cksum; + + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = krb5_verify_checksum (context, crypto, + KRB5_KU_USAGE_SIGN, + p + 20, + input_message_buffer->length - len + 8, + &csum); + krb5_crypto_destroy (context, crypto); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + /* copy out data */ + + output_message_buffer->length = input_message_buffer->length + - len - padlength - 8; + output_message_buffer->value = malloc(output_message_buffer->length); + if(output_message_buffer->length != 0 && output_message_buffer->value == NULL) + return GSS_S_FAILURE; + memcpy (output_message_buffer->value, + p + 36, + output_message_buffer->length); + return GSS_S_COMPLETE; +} + +OM_uint32 _gsskrb5_unwrap + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int * conf_state, + gss_qop_t * qop_state + ) +{ + krb5_keyblock *key; + krb5_context context; + OM_uint32 ret; + krb5_keytype keytype; + gsskrb5_ctx ctx = (gsskrb5_ctx) context_handle; + + output_message_buffer->value = NULL; + output_message_buffer->length = 0; + + GSSAPI_KRB5_INIT (&context); + + if (qop_state != NULL) + *qop_state = GSS_C_QOP_DEFAULT; + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + ret = _gsskrb5i_get_token_key(ctx, context, &key); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + krb5_enctype_to_keytype (context, key->keytype, &keytype); + + *minor_status = 0; + + switch (keytype) { + case KEYTYPE_DES : + ret = unwrap_des (minor_status, ctx, + input_message_buffer, output_message_buffer, + conf_state, qop_state, key); + break; + case KEYTYPE_DES3 : + ret = unwrap_des3 (minor_status, ctx, context, + input_message_buffer, output_message_buffer, + conf_state, qop_state, key); + break; + case KEYTYPE_ARCFOUR: + case KEYTYPE_ARCFOUR_56: + ret = _gssapi_unwrap_arcfour (minor_status, ctx, context, + input_message_buffer, output_message_buffer, + conf_state, qop_state, key); + break; + default : + ret = _gssapi_unwrap_cfx (minor_status, ctx, context, + input_message_buffer, output_message_buffer, + conf_state, qop_state, key); + break; + } + krb5_free_keyblock (context, key); + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/verify_mic.c b/source4/heimdal/lib/gssapi/krb5/verify_mic.c new file mode 100644 index 0000000000..df71f8f7d1 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/verify_mic.c @@ -0,0 +1,344 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +static OM_uint32 +verify_mic_des + (OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t * qop_state, + krb5_keyblock *key, + char *type + ) +{ + u_char *p; + MD5_CTX md5; + u_char hash[16], *seq; + DES_key_schedule schedule; + DES_cblock zero; + DES_cblock deskey; + uint32_t seq_number; + OM_uint32 ret; + int cmp; + + p = token_buffer->value; + ret = _gsskrb5_verify_header (&p, + token_buffer->length, + type, + GSS_KRB5_MECHANISM); + if (ret) + return ret; + + if (memcmp(p, "\x00\x00", 2) != 0) + return GSS_S_BAD_SIG; + p += 2; + if (memcmp (p, "\xff\xff\xff\xff", 4) != 0) + return GSS_S_BAD_MIC; + p += 4; + p += 16; + + /* verify checksum */ + MD5_Init (&md5); + MD5_Update (&md5, p - 24, 8); + MD5_Update (&md5, message_buffer->value, + message_buffer->length); + MD5_Final (hash, &md5); + + memset (&zero, 0, sizeof(zero)); + memcpy (&deskey, key->keyvalue.data, sizeof(deskey)); + + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_cksum ((void *)hash, (void *)hash, sizeof(hash), + &schedule, &zero); + if (memcmp (p - 8, hash, 8) != 0) { + memset (deskey, 0, sizeof(deskey)); + memset (&schedule, 0, sizeof(schedule)); + return GSS_S_BAD_MIC; + } + + /* verify sequence number */ + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + + p -= 16; + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_encrypt ((void *)p, (void *)p, 8, + &schedule, (DES_cblock *)hash, DES_DECRYPT); + + memset (deskey, 0, sizeof(deskey)); + memset (&schedule, 0, sizeof(schedule)); + + seq = p; + _gsskrb5_decode_om_uint32(seq, &seq_number); + + if (context_handle->more_flags & LOCAL) + cmp = memcmp(&seq[4], "\xff\xff\xff\xff", 4); + else + cmp = memcmp(&seq[4], "\x00\x00\x00\x00", 4); + + if (cmp != 0) { + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_BAD_MIC; + } + + ret = _gssapi_msg_order_check(context_handle->order, seq_number); + if (ret) { + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return ret; + } + + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + return GSS_S_COMPLETE; +} + +static OM_uint32 +verify_mic_des3 + (OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t * qop_state, + krb5_keyblock *key, + char *type + ) +{ + u_char *p; + u_char *seq; + uint32_t seq_number; + OM_uint32 ret; + krb5_crypto crypto; + krb5_data seq_data; + int cmp, docompat; + Checksum csum; + char *tmp; + char ivec[8]; + + p = token_buffer->value; + ret = _gsskrb5_verify_header (&p, + token_buffer->length, + type, + GSS_KRB5_MECHANISM); + if (ret) + return ret; + + if (memcmp(p, "\x04\x00", 2) != 0) /* SGN_ALG = HMAC SHA1 DES3-KD */ + return GSS_S_BAD_SIG; + p += 2; + if (memcmp (p, "\xff\xff\xff\xff", 4) != 0) + return GSS_S_BAD_MIC; + p += 4; + + ret = krb5_crypto_init(context, key, + ETYPE_DES3_CBC_NONE, &crypto); + if (ret){ + *minor_status = ret; + return GSS_S_FAILURE; + } + + /* verify sequence number */ + docompat = 0; +retry: + if (docompat) + memset(ivec, 0, 8); + else + memcpy(ivec, p + 8, 8); + + ret = krb5_decrypt_ivec (context, + crypto, + KRB5_KU_USAGE_SEQ, + p, 8, &seq_data, ivec); + if (ret) { + if (docompat++) { + krb5_crypto_destroy (context, crypto); + *minor_status = ret; + return GSS_S_FAILURE; + } else + goto retry; + } + + if (seq_data.length != 8) { + krb5_data_free (&seq_data); + if (docompat++) { + krb5_crypto_destroy (context, crypto); + return GSS_S_BAD_MIC; + } else + goto retry; + } + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + + seq = seq_data.data; + _gsskrb5_decode_om_uint32(seq, &seq_number); + + if (context_handle->more_flags & LOCAL) + cmp = memcmp(&seq[4], "\xff\xff\xff\xff", 4); + else + cmp = memcmp(&seq[4], "\x00\x00\x00\x00", 4); + + krb5_data_free (&seq_data); + if (cmp != 0) { + krb5_crypto_destroy (context, crypto); + *minor_status = 0; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_BAD_MIC; + } + + ret = _gssapi_msg_order_check(context_handle->order, seq_number); + if (ret) { + krb5_crypto_destroy (context, crypto); + *minor_status = 0; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return ret; + } + + /* verify checksum */ + + tmp = malloc (message_buffer->length + 8); + if (tmp == NULL) { + krb5_crypto_destroy (context, crypto); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + memcpy (tmp, p - 8, 8); + memcpy (tmp + 8, message_buffer->value, message_buffer->length); + + csum.cksumtype = CKSUMTYPE_HMAC_SHA1_DES3; + csum.checksum.length = 20; + csum.checksum.data = p + 8; + + ret = krb5_verify_checksum (context, crypto, + KRB5_KU_USAGE_SIGN, + tmp, message_buffer->length + 8, + &csum); + free (tmp); + if (ret) { + krb5_crypto_destroy (context, crypto); + *minor_status = ret; + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + return GSS_S_BAD_MIC; + } + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + + krb5_crypto_destroy (context, crypto); + return GSS_S_COMPLETE; +} + +OM_uint32 +_gsskrb5_verify_mic_internal + (OM_uint32 * minor_status, + const gsskrb5_ctx context_handle, + krb5_context context, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t * qop_state, + char * type + ) +{ + krb5_keyblock *key; + OM_uint32 ret; + krb5_keytype keytype; + + HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex); + ret = _gsskrb5i_get_token_key(context_handle, context, &key); + HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + *minor_status = 0; + krb5_enctype_to_keytype (context, key->keytype, &keytype); + switch (keytype) { + case KEYTYPE_DES : + ret = verify_mic_des (minor_status, context_handle, context, + message_buffer, token_buffer, qop_state, key, + type); + break; + case KEYTYPE_DES3 : + ret = verify_mic_des3 (minor_status, context_handle, context, + message_buffer, token_buffer, qop_state, key, + type); + break; + case KEYTYPE_ARCFOUR : + case KEYTYPE_ARCFOUR_56 : + ret = _gssapi_verify_mic_arcfour (minor_status, context_handle, + context, + message_buffer, token_buffer, + qop_state, key, type); + break; + default : + ret = _gssapi_verify_mic_cfx (minor_status, context_handle, + context, + message_buffer, token_buffer, qop_state, + key); + break; + } + krb5_free_keyblock (context, key); + + return ret; +} + +OM_uint32 +_gsskrb5_verify_mic + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t * qop_state + ) +{ + krb5_context context; + OM_uint32 ret; + + GSSAPI_KRB5_INIT (&context); + + if (qop_state != NULL) + *qop_state = GSS_C_QOP_DEFAULT; + + ret = _gsskrb5_verify_mic_internal(minor_status, + (gsskrb5_ctx)context_handle, + context, + message_buffer, token_buffer, + qop_state, "\x01\x01"); + + return ret; +} diff --git a/source4/heimdal/lib/gssapi/krb5/wrap.c b/source4/heimdal/lib/gssapi/krb5/wrap.c new file mode 100644 index 0000000000..ecd4f7cd54 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/wrap.c @@ -0,0 +1,569 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + +/* + * Return initiator subkey, or if that doesn't exists, the subkey. + */ + +krb5_error_code +_gsskrb5i_get_initiator_subkey(const gsskrb5_ctx ctx, + krb5_context context, + krb5_keyblock **key) +{ + krb5_error_code ret; + *key = NULL; + + if (ctx->more_flags & LOCAL) { + ret = krb5_auth_con_getlocalsubkey(context, + ctx->auth_context, + key); + } else { + ret = krb5_auth_con_getremotesubkey(context, + ctx->auth_context, + key); + } + if (ret == 0 && *key == NULL) + ret = krb5_auth_con_getkey(context, + ctx->auth_context, + key); + if (ret == 0 && *key == NULL) { + krb5_set_error_message(context, 0, "No initiator subkey available"); + return GSS_KRB5_S_KG_NO_SUBKEY; + } + return ret; +} + +krb5_error_code +_gsskrb5i_get_acceptor_subkey(const gsskrb5_ctx ctx, + krb5_context context, + krb5_keyblock **key) +{ + krb5_error_code ret; + *key = NULL; + + if (ctx->more_flags & LOCAL) { + ret = krb5_auth_con_getremotesubkey(context, + ctx->auth_context, + key); + } else { + ret = krb5_auth_con_getlocalsubkey(context, + ctx->auth_context, + key); + } + if (ret == 0 && *key == NULL) { + krb5_set_error_message(context, 0, "No acceptor subkey available"); + return GSS_KRB5_S_KG_NO_SUBKEY; + } + return ret; +} + +OM_uint32 +_gsskrb5i_get_token_key(const gsskrb5_ctx ctx, + krb5_context context, + krb5_keyblock **key) +{ + _gsskrb5i_get_acceptor_subkey(ctx, context, key); + if(*key == NULL) { + /* + * Only use the initiator subkey or ticket session key if an + * acceptor subkey was not required. + */ + if ((ctx->more_flags & ACCEPTOR_SUBKEY) == 0) + _gsskrb5i_get_initiator_subkey(ctx, context, key); + } + if (*key == NULL) { + krb5_set_error_message(context, 0, "No token key available"); + return GSS_KRB5_S_KG_NO_SUBKEY; + } + return 0; +} + +static OM_uint32 +sub_wrap_size ( + OM_uint32 req_output_size, + OM_uint32 * max_input_size, + int blocksize, + int extrasize + ) +{ + size_t len, total_len; + + len = 8 + req_output_size + blocksize + extrasize; + + _gsskrb5_encap_length(len, &len, &total_len, GSS_KRB5_MECHANISM); + + total_len -= req_output_size; /* token length */ + if (total_len < req_output_size) { + *max_input_size = (req_output_size - total_len); + (*max_input_size) &= (~(OM_uint32)(blocksize - 1)); + } else { + *max_input_size = 0; + } + return GSS_S_COMPLETE; +} + +OM_uint32 +_gsskrb5_wrap_size_limit ( + OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + OM_uint32 req_output_size, + OM_uint32 * max_input_size + ) +{ + krb5_context context; + krb5_keyblock *key; + OM_uint32 ret; + krb5_keytype keytype; + const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle; + + GSSAPI_KRB5_INIT (&context); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + ret = _gsskrb5i_get_token_key(ctx, context, &key); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + krb5_enctype_to_keytype (context, key->keytype, &keytype); + + switch (keytype) { + case KEYTYPE_DES : + ret = sub_wrap_size(req_output_size, max_input_size, 8, 22); + break; + case KEYTYPE_ARCFOUR: + case KEYTYPE_ARCFOUR_56: + ret = _gssapi_wrap_size_arcfour(minor_status, ctx, context, + conf_req_flag, qop_req, + req_output_size, max_input_size, key); + break; + case KEYTYPE_DES3 : + ret = sub_wrap_size(req_output_size, max_input_size, 8, 34); + break; + default : + ret = _gssapi_wrap_size_cfx(minor_status, ctx, context, + conf_req_flag, qop_req, + req_output_size, max_input_size, key); + break; + } + krb5_free_keyblock (context, key); + *minor_status = 0; + return ret; +} + +static OM_uint32 +wrap_des + (OM_uint32 * minor_status, + const gsskrb5_ctx ctx, + krb5_context context, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_message_buffer, + krb5_keyblock *key + ) +{ + u_char *p; + MD5_CTX md5; + u_char hash[16]; + DES_key_schedule schedule; + DES_cblock deskey; + DES_cblock zero; + int i; + int32_t seq_number; + size_t len, total_len, padlength, datalen; + + if (IS_DCE_STYLE(ctx)) { + padlength = 0; + datalen = input_message_buffer->length; + len = 22 + 8; + _gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM); + total_len += datalen; + datalen += 8; + } else { + padlength = 8 - (input_message_buffer->length % 8); + datalen = input_message_buffer->length + padlength + 8; + len = datalen + 22; + _gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM); + } + + output_message_buffer->length = total_len; + output_message_buffer->value = malloc (total_len); + if (output_message_buffer->value == NULL) { + output_message_buffer->length = 0; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = _gsskrb5_make_header(output_message_buffer->value, + len, + "\x02\x01", /* TOK_ID */ + GSS_KRB5_MECHANISM); + + /* SGN_ALG */ + memcpy (p, "\x00\x00", 2); + p += 2; + /* SEAL_ALG */ + if(conf_req_flag) + memcpy (p, "\x00\x00", 2); + else + memcpy (p, "\xff\xff", 2); + p += 2; + /* Filler */ + memcpy (p, "\xff\xff", 2); + p += 2; + + /* fill in later */ + memset (p, 0, 16); + p += 16; + + /* confounder + data + pad */ + krb5_generate_random_block(p, 8); + memcpy (p + 8, input_message_buffer->value, + input_message_buffer->length); + memset (p + 8 + input_message_buffer->length, padlength, padlength); + + /* checksum */ + MD5_Init (&md5); + MD5_Update (&md5, p - 24, 8); + MD5_Update (&md5, p, datalen); + MD5_Final (hash, &md5); + + memset (&zero, 0, sizeof(zero)); + memcpy (&deskey, key->keyvalue.data, sizeof(deskey)); + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_cksum ((void *)hash, (void *)hash, sizeof(hash), + &schedule, &zero); + memcpy (p - 8, hash, 8); + + /* sequence number */ + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + krb5_auth_con_getlocalseqnumber (context, + ctx->auth_context, + &seq_number); + + p -= 16; + p[0] = (seq_number >> 0) & 0xFF; + p[1] = (seq_number >> 8) & 0xFF; + p[2] = (seq_number >> 16) & 0xFF; + p[3] = (seq_number >> 24) & 0xFF; + memset (p + 4, + (ctx->more_flags & LOCAL) ? 0 : 0xFF, + 4); + + DES_set_key_unchecked (&deskey, &schedule); + DES_cbc_encrypt ((void *)p, (void *)p, 8, + &schedule, (DES_cblock *)(p + 8), DES_ENCRYPT); + + krb5_auth_con_setlocalseqnumber (context, + ctx->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + /* encrypt the data */ + p += 16; + + if(conf_req_flag) { + memcpy (&deskey, key->keyvalue.data, sizeof(deskey)); + + for (i = 0; i < sizeof(deskey); ++i) + deskey[i] ^= 0xf0; + DES_set_key_unchecked (&deskey, &schedule); + memset (&zero, 0, sizeof(zero)); + DES_cbc_encrypt ((void *)p, + (void *)p, + datalen, + &schedule, + &zero, + DES_ENCRYPT); + } + memset (deskey, 0, sizeof(deskey)); + memset (&schedule, 0, sizeof(schedule)); + + if(conf_state != NULL) + *conf_state = conf_req_flag; + *minor_status = 0; + return GSS_S_COMPLETE; +} + +static OM_uint32 +wrap_des3 + (OM_uint32 * minor_status, + const gsskrb5_ctx ctx, + krb5_context context, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_message_buffer, + krb5_keyblock *key + ) +{ + u_char *p; + u_char seq[8]; + int32_t seq_number; + size_t len, total_len, padlength, datalen; + uint32_t ret; + krb5_crypto crypto; + Checksum cksum; + krb5_data encdata; + + if (IS_DCE_STYLE(ctx)) { + padlength = 0; + datalen = input_message_buffer->length; + len = 34 + 8; + _gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM); + total_len += datalen; + datalen += 8; + } else { + padlength = 8 - (input_message_buffer->length % 8); + datalen = input_message_buffer->length + padlength + 8; + len = datalen + 34; + _gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM); + } + + output_message_buffer->length = total_len; + output_message_buffer->value = malloc (total_len); + if (output_message_buffer->value == NULL) { + output_message_buffer->length = 0; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = _gsskrb5_make_header(output_message_buffer->value, + len, + "\x02\x01", /* TOK_ID */ + GSS_KRB5_MECHANISM); + + /* SGN_ALG */ + memcpy (p, "\x04\x00", 2); /* HMAC SHA1 DES3-KD */ + p += 2; + /* SEAL_ALG */ + if(conf_req_flag) + memcpy (p, "\x02\x00", 2); /* DES3-KD */ + else + memcpy (p, "\xff\xff", 2); + p += 2; + /* Filler */ + memcpy (p, "\xff\xff", 2); + p += 2; + + /* calculate checksum (the above + confounder + data + pad) */ + + memcpy (p + 20, p - 8, 8); + krb5_generate_random_block(p + 28, 8); + memcpy (p + 28 + 8, input_message_buffer->value, + input_message_buffer->length); + memset (p + 28 + 8 + input_message_buffer->length, padlength, padlength); + + ret = krb5_crypto_init(context, key, 0, &crypto); + if (ret) { + free (output_message_buffer->value); + output_message_buffer->length = 0; + output_message_buffer->value = NULL; + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = krb5_create_checksum (context, + crypto, + KRB5_KU_USAGE_SIGN, + 0, + p + 20, + datalen + 8, + &cksum); + krb5_crypto_destroy (context, crypto); + if (ret) { + free (output_message_buffer->value); + output_message_buffer->length = 0; + output_message_buffer->value = NULL; + *minor_status = ret; + return GSS_S_FAILURE; + } + + /* zero out SND_SEQ + SGN_CKSUM in case */ + memset (p, 0, 28); + + memcpy (p + 8, cksum.checksum.data, cksum.checksum.length); + free_Checksum (&cksum); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + /* sequence number */ + krb5_auth_con_getlocalseqnumber (context, + ctx->auth_context, + &seq_number); + + seq[0] = (seq_number >> 0) & 0xFF; + seq[1] = (seq_number >> 8) & 0xFF; + seq[2] = (seq_number >> 16) & 0xFF; + seq[3] = (seq_number >> 24) & 0xFF; + memset (seq + 4, + (ctx->more_flags & LOCAL) ? 0 : 0xFF, + 4); + + + ret = krb5_crypto_init(context, key, ETYPE_DES3_CBC_NONE, + &crypto); + if (ret) { + free (output_message_buffer->value); + output_message_buffer->length = 0; + output_message_buffer->value = NULL; + *minor_status = ret; + return GSS_S_FAILURE; + } + + { + DES_cblock ivec; + + memcpy (&ivec, p + 8, 8); + ret = krb5_encrypt_ivec (context, + crypto, + KRB5_KU_USAGE_SEQ, + seq, 8, &encdata, + &ivec); + } + krb5_crypto_destroy (context, crypto); + if (ret) { + free (output_message_buffer->value); + output_message_buffer->length = 0; + output_message_buffer->value = NULL; + *minor_status = ret; + return GSS_S_FAILURE; + } + + assert (encdata.length == 8); + + memcpy (p, encdata.data, encdata.length); + krb5_data_free (&encdata); + + krb5_auth_con_setlocalseqnumber (context, + ctx->auth_context, + ++seq_number); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + /* encrypt the data */ + p += 28; + + if(conf_req_flag) { + krb5_data tmp; + + ret = krb5_crypto_init(context, key, + ETYPE_DES3_CBC_NONE, &crypto); + if (ret) { + free (output_message_buffer->value); + output_message_buffer->length = 0; + output_message_buffer->value = NULL; + *minor_status = ret; + return GSS_S_FAILURE; + } + ret = krb5_encrypt(context, crypto, KRB5_KU_USAGE_SEAL, + p, datalen, &tmp); + krb5_crypto_destroy(context, crypto); + if (ret) { + free (output_message_buffer->value); + output_message_buffer->length = 0; + output_message_buffer->value = NULL; + *minor_status = ret; + return GSS_S_FAILURE; + } + assert (tmp.length == datalen); + + memcpy (p, tmp.data, datalen); + krb5_data_free(&tmp); + } + if(conf_state != NULL) + *conf_state = conf_req_flag; + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 _gsskrb5_wrap + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_message_buffer + ) +{ + krb5_context context; + krb5_keyblock *key; + OM_uint32 ret; + krb5_keytype keytype; + const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle; + + GSSAPI_KRB5_INIT (&context); + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + ret = _gsskrb5i_get_token_key(ctx, context, &key); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + krb5_enctype_to_keytype (context, key->keytype, &keytype); + + switch (keytype) { + case KEYTYPE_DES : + ret = wrap_des (minor_status, ctx, context, conf_req_flag, + qop_req, input_message_buffer, conf_state, + output_message_buffer, key); + break; + case KEYTYPE_DES3 : + ret = wrap_des3 (minor_status, ctx, context, conf_req_flag, + qop_req, input_message_buffer, conf_state, + output_message_buffer, key); + break; + case KEYTYPE_ARCFOUR: + case KEYTYPE_ARCFOUR_56: + ret = _gssapi_wrap_arcfour (minor_status, ctx, context, conf_req_flag, + qop_req, input_message_buffer, conf_state, + output_message_buffer, key); + break; + default : + ret = _gssapi_wrap_cfx (minor_status, ctx, context, conf_req_flag, + qop_req, input_message_buffer, conf_state, + output_message_buffer, key); + break; + } + krb5_free_keyblock (context, key); + return ret; +} diff --git a/source4/heimdal/lib/gssapi/mech/context.c b/source4/heimdal/lib/gssapi/mech/context.c new file mode 100644 index 0000000000..bfb303ac8e --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/context.c @@ -0,0 +1,163 @@ +#include "mech/mech_locl.h" +#include "heim_threads.h" + +RCSID("$Id$"); + +struct mg_thread_ctx { + gss_OID mech; + OM_uint32 maj_stat; + OM_uint32 min_stat; + gss_buffer_desc maj_error; + gss_buffer_desc min_error; +}; + +static HEIMDAL_MUTEX context_mutex = HEIMDAL_MUTEX_INITIALIZER; +static int created_key; +static HEIMDAL_thread_key context_key; + + +static void +destroy_context(void *ptr) +{ + struct mg_thread_ctx *mg = ptr; + OM_uint32 junk; + + if (mg == NULL) + return; + + gss_release_buffer(&junk, &mg->maj_error); + gss_release_buffer(&junk, &mg->min_error); + free(mg); +} + + +static struct mg_thread_ctx * +_gss_mechglue_thread(void) +{ + struct mg_thread_ctx *ctx; + int ret = 0; + + HEIMDAL_MUTEX_lock(&context_mutex); + + if (!created_key) { + HEIMDAL_key_create(&context_key, destroy_context, ret); + if (ret) { + HEIMDAL_MUTEX_unlock(&context_mutex); + return NULL; + } + created_key = 1; + } + HEIMDAL_MUTEX_unlock(&context_mutex); + + ctx = HEIMDAL_getspecific(context_key); + if (ctx == NULL) { + + ctx = calloc(1, sizeof(*ctx)); + if (ctx == NULL) + return NULL; + HEIMDAL_setspecific(context_key, ctx, ret); + if (ret) { + free(ctx); + return NULL; + } + } + return ctx; +} + +OM_uint32 +_gss_mg_get_error(const gss_OID mech, OM_uint32 type, + OM_uint32 value, gss_buffer_t string) +{ + struct mg_thread_ctx *mg; + + mg = _gss_mechglue_thread(); + if (mg == NULL) + return GSS_S_BAD_STATUS; + +#if 0 + /* + * We cant check the mech here since a pseudo-mech might have + * called an lower layer and then the mech info is all broken + */ + if (mech != NULL && gss_oid_equal(mg->mech, mech) == 0) + return GSS_S_BAD_STATUS; +#endif + + switch (type) { + case GSS_C_GSS_CODE: { + if (value != mg->maj_stat || mg->maj_error.length == 0) + break; + string->value = malloc(mg->maj_error.length); + string->length = mg->maj_error.length; + memcpy(string->value, mg->maj_error.value, mg->maj_error.length); + return GSS_S_COMPLETE; + } + case GSS_C_MECH_CODE: { + if (value != mg->min_stat || mg->min_error.length == 0) + break; + string->value = malloc(mg->min_error.length); + string->length = mg->min_error.length; + memcpy(string->value, mg->min_error.value, mg->min_error.length); + return GSS_S_COMPLETE; + } + } + string->value = NULL; + string->length = 0; + return GSS_S_BAD_STATUS; +} + +void +_gss_mg_error(gssapi_mech_interface m, OM_uint32 maj, OM_uint32 min) +{ + OM_uint32 major_status, minor_status; + OM_uint32 message_content; + struct mg_thread_ctx *mg; + + /* + * Mechs without gss_display_status() does + * gss_mg_collect_error() by themself. + */ + if (m->gm_display_status == NULL) + return ; + + mg = _gss_mechglue_thread(); + if (mg == NULL) + return; + + gss_release_buffer(&minor_status, &mg->maj_error); + gss_release_buffer(&minor_status, &mg->min_error); + + mg->mech = &m->gm_mech_oid; + mg->maj_stat = maj; + mg->min_stat = min; + + major_status = m->gm_display_status(&minor_status, + maj, + GSS_C_GSS_CODE, + &m->gm_mech_oid, + &message_content, + &mg->maj_error); + if (GSS_ERROR(major_status)) { + mg->maj_error.value = NULL; + mg->maj_error.length = 0; + } + major_status = m->gm_display_status(&minor_status, + min, + GSS_C_MECH_CODE, + &m->gm_mech_oid, + &message_content, + &mg->min_error); + if (GSS_ERROR(major_status)) { + mg->min_error.value = NULL; + mg->min_error.length = 0; + } +} + +void +gss_mg_collect_error(gss_OID mech, OM_uint32 maj, OM_uint32 min) +{ + gssapi_mech_interface m = __gss_get_mechanism(mech); + if (m == NULL) + return; + _gss_mg_error(m, maj, min); +} diff --git a/source4/heimdal/lib/gssapi/mech/context.h b/source4/heimdal/lib/gssapi/mech/context.h new file mode 100644 index 0000000000..f2a7009cda --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/context.h @@ -0,0 +1,41 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/context.h,v 1.1 2005/12/29 14:40:20 dfr Exp $ + * $Id$ + */ + +#include <gssapi_mech.h> + +struct _gss_context { + gssapi_mech_interface gc_mech; + gss_ctx_id_t gc_ctx; +}; + +void +_gss_mg_error(gssapi_mech_interface, OM_uint32, OM_uint32); + +OM_uint32 +_gss_mg_get_error(const gss_OID, OM_uint32, OM_uint32, gss_buffer_t); diff --git a/source4/heimdal/lib/gssapi/mech/cred.h b/source4/heimdal/lib/gssapi/mech/cred.h new file mode 100644 index 0000000000..01bd882dda --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/cred.h @@ -0,0 +1,41 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/cred.h,v 1.1 2005/12/29 14:40:20 dfr Exp $ + * $Id$ + */ + +struct _gss_mechanism_cred { + SLIST_ENTRY(_gss_mechanism_cred) gmc_link; + gssapi_mech_interface gmc_mech; /* mechanism ops for MC */ + gss_OID gmc_mech_oid; /* mechanism oid for MC */ + gss_cred_id_t gmc_cred; /* underlying MC */ +}; +SLIST_HEAD(_gss_mechanism_cred_list, _gss_mechanism_cred); + +struct _gss_cred { + struct _gss_mechanism_cred_list gc_mc; +}; + diff --git a/source4/heimdal/lib/gssapi/mech/gss_accept_sec_context.c b/source4/heimdal/lib/gssapi/mech/gss_accept_sec_context.c new file mode 100644 index 0000000000..5fa102193e --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_accept_sec_context.c @@ -0,0 +1,291 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_accept_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +static OM_uint32 +parse_header(const gss_buffer_t input_token, gss_OID mech_oid) +{ + unsigned char *p = input_token->value; + size_t len = input_token->length; + size_t a, b; + + /* + * Token must start with [APPLICATION 0] SEQUENCE. + * But if it doesn't assume it is DCE-STYLE Kerberos! + */ + if (len == 0) + return (GSS_S_DEFECTIVE_TOKEN); + + p++; + len--; + + /* + * Decode the length and make sure it agrees with the + * token length. + */ + if (len == 0) + return (GSS_S_DEFECTIVE_TOKEN); + if ((*p & 0x80) == 0) { + a = *p; + p++; + len--; + } else { + b = *p & 0x7f; + p++; + len--; + if (len < b) + return (GSS_S_DEFECTIVE_TOKEN); + a = 0; + while (b) { + a = (a << 8) | *p; + p++; + len--; + b--; + } + } + if (a != len) + return (GSS_S_DEFECTIVE_TOKEN); + + /* + * Decode the OID for the mechanism. Simplify life by + * assuming that the OID length is less than 128 bytes. + */ + if (len < 2 || *p != 0x06) + return (GSS_S_DEFECTIVE_TOKEN); + if ((p[1] & 0x80) || p[1] > (len - 2)) + return (GSS_S_DEFECTIVE_TOKEN); + mech_oid->length = p[1]; + p += 2; + len -= 2; + mech_oid->elements = p; + + return GSS_S_COMPLETE; +} + +static gss_OID_desc krb5_mechanism = + {9, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12\x01\x02\x02")}; +static gss_OID_desc ntlm_mechanism = + {10, rk_UNCONST("\x2b\x06\x01\x04\x01\x82\x37\x02\x02\x0a")}; +static gss_OID_desc spnego_mechanism = + {6, rk_UNCONST("\x2b\x06\x01\x05\x05\x02")}; + +static OM_uint32 +choose_mech(const gss_buffer_t input, gss_OID mech_oid) +{ + OM_uint32 status; + + /* + * First try to parse the gssapi token header and see if it's a + * correct header, use that in the first hand. + */ + + status = parse_header(input, mech_oid); + if (status == GSS_S_COMPLETE) + return GSS_S_COMPLETE; + + /* + * Lets guess what mech is really is, callback function to mech ?? + */ + + if (input->length > 8 && + memcmp((const char *)input->value, "NTLMSSP\x00", 8) == 0) + { + *mech_oid = ntlm_mechanism; + return GSS_S_COMPLETE; + } else if (input->length != 0 && + ((const char *)input->value)[0] == 0x6E) + { + /* Could be a raw AP-REQ (check for APPLICATION tag) */ + *mech_oid = krb5_mechanism; + return GSS_S_COMPLETE; + } else if (input->length == 0) { + /* + * There is the a wierd mode of SPNEGO (in CIFS and + * SASL GSS-SPENGO where the first token is zero + * length and the acceptor returns a mech_list, lets + * hope that is what is happening now. + */ + *mech_oid = spnego_mechanism; + return GSS_S_COMPLETE; + } + return status; +} + + +OM_uint32 gss_accept_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t *src_name, + gss_OID *mech_type, + gss_buffer_t output_token, + OM_uint32 *ret_flags, + OM_uint32 *time_rec, + gss_cred_id_t *delegated_cred_handle) +{ + OM_uint32 major_status, mech_ret_flags, junk; + gssapi_mech_interface m; + struct _gss_context *ctx = (struct _gss_context *) *context_handle; + struct _gss_cred *cred = (struct _gss_cred *) acceptor_cred_handle; + struct _gss_mechanism_cred *mc; + gss_cred_id_t acceptor_mc, delegated_mc; + gss_name_t src_mn; + + *minor_status = 0; + if (src_name) + *src_name = GSS_C_NO_NAME; + if (mech_type) + *mech_type = GSS_C_NO_OID; + if (ret_flags) + *ret_flags = 0; + if (time_rec) + *time_rec = 0; + if (delegated_cred_handle) + *delegated_cred_handle = GSS_C_NO_CREDENTIAL; + _mg_buffer_zero(output_token); + + + /* + * If this is the first call (*context_handle is NULL), we must + * parse the input token to figure out the mechanism to use. + */ + if (*context_handle == GSS_C_NO_CONTEXT) { + gss_OID_desc mech_oid; + + major_status = choose_mech(input_token, &mech_oid); + if (major_status != GSS_S_COMPLETE) + return major_status; + + /* + * Now that we have a mechanism, we can find the + * implementation. + */ + ctx = malloc(sizeof(struct _gss_context)); + if (!ctx) { + *minor_status = ENOMEM; + return (GSS_S_DEFECTIVE_TOKEN); + } + memset(ctx, 0, sizeof(struct _gss_context)); + m = ctx->gc_mech = __gss_get_mechanism(&mech_oid); + if (!m) { + free(ctx); + return (GSS_S_BAD_MECH); + } + *context_handle = (gss_ctx_id_t) ctx; + } else { + m = ctx->gc_mech; + } + + if (cred) { + SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) + if (mc->gmc_mech == m) + break; + if (!mc) { + gss_delete_sec_context(&junk, context_handle, NULL); + return (GSS_S_BAD_MECH); + } + acceptor_mc = mc->gmc_cred; + } else { + acceptor_mc = GSS_C_NO_CREDENTIAL; + } + delegated_mc = GSS_C_NO_CREDENTIAL; + + mech_ret_flags = 0; + major_status = m->gm_accept_sec_context(minor_status, + &ctx->gc_ctx, + acceptor_mc, + input_token, + input_chan_bindings, + &src_mn, + mech_type, + output_token, + &mech_ret_flags, + time_rec, + &delegated_mc); + if (major_status != GSS_S_COMPLETE && + major_status != GSS_S_CONTINUE_NEEDED) + { + _gss_mg_error(m, major_status, *minor_status); + gss_delete_sec_context(&junk, context_handle, NULL); + return (major_status); + } + + if (src_name && src_mn) { + /* + * Make a new name and mark it as an MN. + */ + struct _gss_name *name = _gss_make_name(m, src_mn); + + if (!name) { + m->gm_release_name(minor_status, &src_mn); + gss_delete_sec_context(&junk, context_handle, NULL); + return (GSS_S_FAILURE); + } + *src_name = (gss_name_t) name; + } else if (src_mn) { + m->gm_release_name(minor_status, &src_mn); + } + + if (mech_ret_flags & GSS_C_DELEG_FLAG) { + if (!delegated_cred_handle) { + m->gm_release_cred(minor_status, &delegated_mc); + *ret_flags &= ~GSS_C_DELEG_FLAG; + } else if (delegated_mc) { + struct _gss_cred *dcred; + struct _gss_mechanism_cred *dmc; + + dcred = malloc(sizeof(struct _gss_cred)); + if (!dcred) { + *minor_status = ENOMEM; + gss_delete_sec_context(&junk, context_handle, NULL); + return (GSS_S_FAILURE); + } + SLIST_INIT(&dcred->gc_mc); + dmc = malloc(sizeof(struct _gss_mechanism_cred)); + if (!dmc) { + free(dcred); + *minor_status = ENOMEM; + gss_delete_sec_context(&junk, context_handle, NULL); + return (GSS_S_FAILURE); + } + dmc->gmc_mech = m; + dmc->gmc_mech_oid = &m->gm_mech_oid; + dmc->gmc_cred = delegated_mc; + SLIST_INSERT_HEAD(&dcred->gc_mc, dmc, gmc_link); + + *delegated_cred_handle = (gss_cred_id_t) dcred; + } + } + + if (ret_flags) + *ret_flags = mech_ret_flags; + return (major_status); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_acquire_cred.c b/source4/heimdal/lib/gssapi/mech/gss_acquire_cred.c new file mode 100644 index 0000000000..b21b3f62e8 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_acquire_cred.c @@ -0,0 +1,169 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_acquire_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_acquire_cred(OM_uint32 *minor_status, + const gss_name_t desired_name, + OM_uint32 time_req, + const gss_OID_set desired_mechs, + gss_cred_usage_t cred_usage, + gss_cred_id_t *output_cred_handle, + gss_OID_set *actual_mechs, + OM_uint32 *time_rec) +{ + OM_uint32 major_status; + gss_OID_set mechs = desired_mechs; + gss_OID_set_desc set; + struct _gss_name *name = (struct _gss_name *) desired_name; + gssapi_mech_interface m; + struct _gss_cred *cred; + struct _gss_mechanism_cred *mc; + OM_uint32 min_time, cred_time; + int i; + + *minor_status = 0; + if (output_cred_handle) + *output_cred_handle = GSS_C_NO_CREDENTIAL; + if (actual_mechs) + *actual_mechs = GSS_C_NO_OID_SET; + if (time_rec) + *time_rec = 0; + + _gss_load_mech(); + + /* + * First make sure that at least one of the requested + * mechanisms is one that we support. + */ + if (mechs) { + for (i = 0; i < mechs->count; i++) { + int t; + gss_test_oid_set_member(minor_status, + &mechs->elements[i], _gss_mech_oids, &t); + if (t) + break; + } + if (i == mechs->count) { + *minor_status = 0; + return (GSS_S_BAD_MECH); + } + } + + if (actual_mechs) { + major_status = gss_create_empty_oid_set(minor_status, + actual_mechs); + if (major_status) + return (major_status); + } + + cred = malloc(sizeof(struct _gss_cred)); + if (!cred) { + if (actual_mechs) + gss_release_oid_set(minor_status, actual_mechs); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + SLIST_INIT(&cred->gc_mc); + + if (mechs == GSS_C_NO_OID_SET) + mechs = _gss_mech_oids; + + set.count = 1; + min_time = GSS_C_INDEFINITE; + for (i = 0; i < mechs->count; i++) { + struct _gss_mechanism_name *mn = NULL; + + m = __gss_get_mechanism(&mechs->elements[i]); + if (!m) + continue; + + if (desired_name != GSS_C_NO_NAME) { + major_status = _gss_find_mn(minor_status, name, + &mechs->elements[i], &mn); + if (major_status != GSS_S_COMPLETE) + continue; + } + + mc = malloc(sizeof(struct _gss_mechanism_cred)); + if (!mc) { + continue; + } + mc->gmc_mech = m; + mc->gmc_mech_oid = &m->gm_mech_oid; + + /* + * XXX Probably need to do something with actual_mechs. + */ + set.elements = &mechs->elements[i]; + major_status = m->gm_acquire_cred(minor_status, + (desired_name != GSS_C_NO_NAME + ? mn->gmn_name : GSS_C_NO_NAME), + time_req, &set, cred_usage, + &mc->gmc_cred, NULL, &cred_time); + if (major_status) { + free(mc); + continue; + } + if (cred_time < min_time) + min_time = cred_time; + + if (actual_mechs) { + major_status = gss_add_oid_set_member(minor_status, + mc->gmc_mech_oid, actual_mechs); + if (major_status) { + m->gm_release_cred(minor_status, + &mc->gmc_cred); + free(mc); + continue; + } + } + + SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link); + } + + /* + * If we didn't manage to create a single credential, return + * an error. + */ + if (!SLIST_FIRST(&cred->gc_mc)) { + free(cred); + if (actual_mechs) + gss_release_oid_set(minor_status, actual_mechs); + *minor_status = 0; + return (GSS_S_NO_CRED); + } + + if (time_rec) + *time_rec = min_time; + *output_cred_handle = (gss_cred_id_t) cred; + *minor_status = 0; + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_add_cred.c b/source4/heimdal/lib/gssapi/mech/gss_add_cred.c new file mode 100644 index 0000000000..d190852884 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_add_cred.c @@ -0,0 +1,187 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_add_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +static struct _gss_mechanism_cred * +_gss_copy_cred(struct _gss_mechanism_cred *mc) +{ + struct _gss_mechanism_cred *new_mc; + gssapi_mech_interface m = mc->gmc_mech; + OM_uint32 major_status, minor_status; + gss_name_t name; + gss_cred_id_t cred; + OM_uint32 initiator_lifetime, acceptor_lifetime; + gss_cred_usage_t cred_usage; + + major_status = m->gm_inquire_cred_by_mech(&minor_status, + mc->gmc_cred, mc->gmc_mech_oid, + &name, &initiator_lifetime, &acceptor_lifetime, &cred_usage); + if (major_status) { + _gss_mg_error(m, major_status, minor_status); + return (0); + } + + major_status = m->gm_add_cred(&minor_status, + GSS_C_NO_CREDENTIAL, name, mc->gmc_mech_oid, + cred_usage, initiator_lifetime, acceptor_lifetime, + &cred, 0, 0, 0); + m->gm_release_name(&minor_status, &name); + + if (major_status) { + _gss_mg_error(m, major_status, minor_status); + return (0); + } + + new_mc = malloc(sizeof(struct _gss_mechanism_cred)); + if (!new_mc) { + m->gm_release_cred(&minor_status, &cred); + return (0); + } + new_mc->gmc_mech = m; + new_mc->gmc_mech_oid = &m->gm_mech_oid; + new_mc->gmc_cred = cred; + + return (new_mc); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_add_cred(OM_uint32 *minor_status, + const gss_cred_id_t input_cred_handle, + const gss_name_t desired_name, + const gss_OID desired_mech, + gss_cred_usage_t cred_usage, + OM_uint32 initiator_time_req, + OM_uint32 acceptor_time_req, + gss_cred_id_t *output_cred_handle, + gss_OID_set *actual_mechs, + OM_uint32 *initiator_time_rec, + OM_uint32 *acceptor_time_rec) +{ + OM_uint32 major_status; + gssapi_mech_interface m; + struct _gss_cred *cred = (struct _gss_cred *) input_cred_handle; + struct _gss_cred *new_cred; + gss_cred_id_t release_cred; + struct _gss_mechanism_cred *mc, *target_mc, *copy_mc; + struct _gss_mechanism_name *mn; + OM_uint32 junk; + + *minor_status = 0; + *output_cred_handle = GSS_C_NO_CREDENTIAL; + if (initiator_time_rec) + *initiator_time_rec = 0; + if (acceptor_time_rec) + *acceptor_time_rec = 0; + if (actual_mechs) + *actual_mechs = GSS_C_NO_OID_SET; + + new_cred = malloc(sizeof(struct _gss_cred)); + if (!new_cred) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + SLIST_INIT(&new_cred->gc_mc); + + /* + * We go through all the mc attached to the input_cred_handle + * and check the mechanism. If it matches, we call + * gss_add_cred for that mechanism, otherwise we copy the mc + * to new_cred. + */ + target_mc = 0; + if (cred) { + SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { + if (gss_oid_equal(mc->gmc_mech_oid, desired_mech)) { + target_mc = mc; + } + copy_mc = _gss_copy_cred(mc); + if (!copy_mc) { + release_cred = (gss_cred_id_t)new_cred; + gss_release_cred(&junk, &release_cred); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + SLIST_INSERT_HEAD(&new_cred->gc_mc, copy_mc, gmc_link); + } + } + + /* + * Figure out a suitable mn, if any. + */ + if (desired_name) { + major_status = _gss_find_mn(minor_status, + (struct _gss_name *) desired_name, + desired_mech, + &mn); + if (major_status != GSS_S_COMPLETE) { + free(new_cred); + return major_status; + } + } else { + mn = 0; + } + + m = __gss_get_mechanism(desired_mech); + + mc = malloc(sizeof(struct _gss_mechanism_cred)); + if (!mc) { + release_cred = (gss_cred_id_t)new_cred; + gss_release_cred(&junk, &release_cred); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + mc->gmc_mech = m; + mc->gmc_mech_oid = &m->gm_mech_oid; + + major_status = m->gm_add_cred(minor_status, + target_mc ? target_mc->gmc_cred : GSS_C_NO_CREDENTIAL, + desired_name ? mn->gmn_name : GSS_C_NO_NAME, + desired_mech, + cred_usage, + initiator_time_req, + acceptor_time_req, + &mc->gmc_cred, + actual_mechs, + initiator_time_rec, + acceptor_time_rec); + + if (major_status) { + _gss_mg_error(m, major_status, *minor_status); + release_cred = (gss_cred_id_t)new_cred; + gss_release_cred(&junk, &release_cred); + free(mc); + return (major_status); + } + SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link); + *output_cred_handle = (gss_cred_id_t) new_cred; + + return (GSS_S_COMPLETE); +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_add_oid_set_member.c b/source4/heimdal/lib/gssapi/mech/gss_add_oid_set_member.c new file mode 100644 index 0000000000..1214e72fa9 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_add_oid_set_member.c @@ -0,0 +1,67 @@ +/* + * Copyright (c) 1997 - 2001, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_add_oid_set_member (OM_uint32 * minor_status, + const gss_OID member_oid, + gss_OID_set * oid_set) +{ + gss_OID tmp; + size_t n; + OM_uint32 res; + int present; + + res = gss_test_oid_set_member(minor_status, member_oid, *oid_set, &present); + if (res != GSS_S_COMPLETE) + return res; + + if (present) { + *minor_status = 0; + return GSS_S_COMPLETE; + } + + n = (*oid_set)->count + 1; + tmp = realloc ((*oid_set)->elements, n * sizeof(gss_OID_desc)); + if (tmp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + (*oid_set)->elements = tmp; + (*oid_set)->count = n; + (*oid_set)->elements[n-1] = *member_oid; + *minor_status = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_buffer_set.c b/source4/heimdal/lib/gssapi/mech/gss_buffer_set.c new file mode 100644 index 0000000000..9f0bb4cce3 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_buffer_set.c @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_create_empty_buffer_set + (OM_uint32 * minor_status, + gss_buffer_set_t *buffer_set) +{ + gss_buffer_set_t set; + + set = (gss_buffer_set_desc *) malloc(sizeof(*set)); + if (set == GSS_C_NO_BUFFER_SET) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + set->count = 0; + set->elements = NULL; + + *buffer_set = set; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_add_buffer_set_member + (OM_uint32 * minor_status, + const gss_buffer_t member_buffer, + gss_buffer_set_t *buffer_set) +{ + gss_buffer_set_t set; + gss_buffer_t p; + OM_uint32 ret; + + if (*buffer_set == GSS_C_NO_BUFFER_SET) { + ret = gss_create_empty_buffer_set(minor_status, + buffer_set); + if (ret) { + return ret; + } + } + + set = *buffer_set; + set->elements = realloc(set->elements, + (set->count + 1) * sizeof(set->elements[0])); + if (set->elements == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = &set->elements[set->count]; + + p->value = malloc(member_buffer->length); + if (p->value == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy(p->value, member_buffer->value, member_buffer->length); + p->length = member_buffer->length; + + set->count++; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_buffer_set(OM_uint32 * minor_status, + gss_buffer_set_t *buffer_set) +{ + int i; + OM_uint32 minor; + + *minor_status = 0; + + if (*buffer_set == GSS_C_NO_BUFFER_SET) + return GSS_S_COMPLETE; + + for (i = 0; i < (*buffer_set)->count; i++) + gss_release_buffer(&minor, &((*buffer_set)->elements[i])); + + free((*buffer_set)->elements); + + (*buffer_set)->elements = NULL; + (*buffer_set)->count = 0; + + free(*buffer_set); + *buffer_set = GSS_C_NO_BUFFER_SET; + + return GSS_S_COMPLETE; +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_canonicalize_name.c b/source4/heimdal/lib/gssapi/mech/gss_canonicalize_name.c new file mode 100644 index 0000000000..91a08fb2bc --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_canonicalize_name.c @@ -0,0 +1,88 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_canonicalize_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_canonicalize_name(OM_uint32 *minor_status, + const gss_name_t input_name, + const gss_OID mech_type, + gss_name_t *output_name) +{ + OM_uint32 major_status; + struct _gss_name *name = (struct _gss_name *) input_name; + struct _gss_mechanism_name *mn; + gssapi_mech_interface m; + gss_name_t new_canonical_name; + + *minor_status = 0; + *output_name = 0; + + major_status = _gss_find_mn(minor_status, name, mech_type, &mn); + if (major_status) + return major_status; + + m = mn->gmn_mech; + major_status = m->gm_canonicalize_name(minor_status, + mn->gmn_name, mech_type, &new_canonical_name); + if (major_status) { + _gss_mg_error(m, major_status, *minor_status); + return (major_status); + } + + /* + * Now we make a new name and mark it as an MN. + */ + *minor_status = 0; + name = malloc(sizeof(struct _gss_name)); + if (!name) { + m->gm_release_name(minor_status, &new_canonical_name); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + memset(name, 0, sizeof(struct _gss_name)); + + mn = malloc(sizeof(struct _gss_mechanism_name)); + if (!mn) { + m->gm_release_name(minor_status, &new_canonical_name); + free(name); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + + SLIST_INIT(&name->gn_mn); + mn->gmn_mech = m; + mn->gmn_mech_oid = &m->gm_mech_oid; + mn->gmn_name = new_canonical_name; + SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link); + + *output_name = (gss_name_t) name; + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_compare_name.c b/source4/heimdal/lib/gssapi/mech/gss_compare_name.c new file mode 100644 index 0000000000..3f2d0013c5 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_compare_name.c @@ -0,0 +1,77 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_compare_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_compare_name(OM_uint32 *minor_status, + const gss_name_t name1_arg, + const gss_name_t name2_arg, + int *name_equal) +{ + struct _gss_name *name1 = (struct _gss_name *) name1_arg; + struct _gss_name *name2 = (struct _gss_name *) name2_arg; + + /* + * First check the implementation-independant name if both + * names have one. Otherwise, try to find common mechanism + * names and compare them. + */ + if (name1->gn_value.value && name2->gn_value.value) { + *name_equal = 1; + if (!gss_oid_equal(&name1->gn_type, &name2->gn_type)) { + *name_equal = 0; + } else if (name1->gn_value.length != name2->gn_value.length || + memcmp(name1->gn_value.value, name1->gn_value.value, + name1->gn_value.length)) { + *name_equal = 0; + } + } else { + struct _gss_mechanism_name *mn1; + struct _gss_mechanism_name *mn2; + + SLIST_FOREACH(mn1, &name1->gn_mn, gmn_link) { + OM_uint32 major_status; + + major_status = _gss_find_mn(minor_status, name2, + mn1->gmn_mech_oid, &mn2); + if (major_status == GSS_S_COMPLETE) { + return (mn1->gmn_mech->gm_compare_name( + minor_status, + mn1->gmn_name, + mn2->gmn_name, + name_equal)); + } + } + *name_equal = 0; + } + + *minor_status = 0; + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_context_time.c b/source4/heimdal/lib/gssapi/mech/gss_context_time.c new file mode 100644 index 0000000000..df89612060 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_context_time.c @@ -0,0 +1,41 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_context_time.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_context_time(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + OM_uint32 *time_rec) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + + return (m->gm_context_time(minor_status, ctx->gc_ctx, time_rec)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_create_empty_oid_set.c b/source4/heimdal/lib/gssapi/mech/gss_create_empty_oid_set.c new file mode 100644 index 0000000000..8858f28498 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_create_empty_oid_set.c @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_create_empty_oid_set.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_create_empty_oid_set(OM_uint32 *minor_status, + gss_OID_set *oid_set) +{ + gss_OID_set set; + + *minor_status = 0; + *oid_set = GSS_C_NO_OID_SET; + + set = malloc(sizeof(gss_OID_set_desc)); + if (!set) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + + set->count = 0; + set->elements = 0; + *oid_set = set; + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_decapsulate_token.c b/source4/heimdal/lib/gssapi/mech/gss_decapsulate_token.c new file mode 100644 index 0000000000..6dba77e410 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_decapsulate_token.c @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_decapsulate_token(gss_buffer_t input_token, + gss_OID oid, + gss_buffer_t output_token) +{ + GSSAPIContextToken ct; + heim_oid o; + OM_uint32 status; + int ret; + size_t size; + + _mg_buffer_zero(output_token); + + ret = der_get_oid (oid->elements, oid->length, &o, &size); + if (ret) + return GSS_S_FAILURE; + + ret = decode_GSSAPIContextToken(input_token->value, input_token->length, + &ct, NULL); + if (ret) { + der_free_oid(&o); + return GSS_S_FAILURE; + } + + if (der_heim_oid_cmp(&ct.thisMech, &o) == 0) { + status = GSS_S_COMPLETE; + output_token->value = ct.innerContextToken.data; + output_token->length = ct.innerContextToken.length; + der_free_oid(&ct.thisMech); + } else { + free_GSSAPIContextToken(&ct); + status = GSS_S_FAILURE; + } + der_free_oid(&o); + + return status; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_delete_sec_context.c b/source4/heimdal/lib/gssapi/mech/gss_delete_sec_context.c new file mode 100644 index 0000000000..96abae6b33 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_delete_sec_context.c @@ -0,0 +1,58 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_delete_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_delete_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + gss_buffer_t output_token) +{ + OM_uint32 major_status; + struct _gss_context *ctx = (struct _gss_context *) *context_handle; + + if (output_token) + _mg_buffer_zero(output_token); + + *minor_status = 0; + if (ctx) { + /* + * If we have an implementation ctx, delete it, + * otherwise fake an empty token. + */ + if (ctx->gc_ctx) { + major_status = ctx->gc_mech->gm_delete_sec_context( + minor_status, &ctx->gc_ctx, output_token); + } + free(ctx); + *context_handle = GSS_C_NO_CONTEXT; + } + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_display_name.c b/source4/heimdal/lib/gssapi/mech/gss_display_name.c new file mode 100644 index 0000000000..d720ffe880 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_display_name.c @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_display_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_display_name(OM_uint32 *minor_status, + const gss_name_t input_name, + gss_buffer_t output_name_buffer, + gss_OID *output_name_type) +{ + OM_uint32 major_status; + struct _gss_name *name = (struct _gss_name *) input_name; + struct _gss_mechanism_name *mn; + + _mg_buffer_zero(output_name_buffer); + if (output_name_type) + *output_name_type = GSS_C_NO_OID; + + if (name == NULL) { + *minor_status = 0; + return (GSS_S_BAD_NAME); + } + + /* + * If we know it, copy the buffer used to import the name in + * the first place. Otherwise, ask all the MNs in turn if + * they can display the thing. + */ + if (name->gn_value.value) { + output_name_buffer->value = malloc(name->gn_value.length); + if (!output_name_buffer->value) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + output_name_buffer->length = name->gn_value.length; + memcpy(output_name_buffer->value, name->gn_value.value, + output_name_buffer->length); + if (output_name_type) + *output_name_type = &name->gn_type; + + *minor_status = 0; + return (GSS_S_COMPLETE); + } else { + SLIST_FOREACH(mn, &name->gn_mn, gmn_link) { + major_status = mn->gmn_mech->gm_display_name( + minor_status, mn->gmn_name, + output_name_buffer, + output_name_type); + if (major_status == GSS_S_COMPLETE) + return (GSS_S_COMPLETE); + } + } + + *minor_status = 0; + return (GSS_S_FAILURE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_display_status.c b/source4/heimdal/lib/gssapi/mech/gss_display_status.c new file mode 100644 index 0000000000..7a91af2abc --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_display_status.c @@ -0,0 +1,210 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_display_status.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ +/* + * Copyright (c) 1998 - 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +static const char * +calling_error(OM_uint32 v) +{ + static const char *msgs[] = { + NULL, /* 0 */ + "A required input parameter could not be read.", /* */ + "A required output parameter could not be written.", /* */ + "A parameter was malformed" + }; + + v >>= GSS_C_CALLING_ERROR_OFFSET; + + if (v == 0) + return ""; + else if (v >= sizeof(msgs)/sizeof(*msgs)) + return "unknown calling error"; + else + return msgs[v]; +} + +static const char * +routine_error(OM_uint32 v) +{ + static const char *msgs[] = { + "Function completed successfully", /* 0 */ + "An unsupported mechanism was requested", + "An invalid name was supplied", + "A supplied name was of an unsupported type", + "Incorrect channel bindings were supplied", + "An invalid status code was supplied", + "A token had an invalid MIC", + "No credentials were supplied, " + "or the credentials were unavailable or inaccessible.", + "No context has been established", + "A token was invalid", + "A credential was invalid", + "The referenced credentials have expired", + "The context has expired", + "Miscellaneous failure (see text)", + "The quality-of-protection requested could not be provide", + "The operation is forbidden by local security policy", + "The operation or option is not available", + "The requested credential element already exists", + "The provided name was not a mechanism name.", + }; + + v >>= GSS_C_ROUTINE_ERROR_OFFSET; + + if (v >= sizeof(msgs)/sizeof(*msgs)) + return "unknown routine error"; + else + return msgs[v]; +} + +static const char * +supplementary_error(OM_uint32 v) +{ + static const char *msgs[] = { + "normal completion", + "continuation call to routine required", + "duplicate per-message token detected", + "timed-out per-message token detected", + "reordered (early) per-message token detected", + "skipped predecessor token(s) detected" + }; + + v >>= GSS_C_SUPPLEMENTARY_OFFSET; + + if (v >= sizeof(msgs)/sizeof(*msgs)) + return "unknown routine error"; + else + return msgs[v]; +} + + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_display_status(OM_uint32 *minor_status, + OM_uint32 status_value, + int status_type, + const gss_OID mech_type, + OM_uint32 *message_content, + gss_buffer_t status_string) +{ + OM_uint32 major_status; + + _mg_buffer_zero(status_string); + *message_content = 0; + + major_status = _gss_mg_get_error(mech_type, status_type, + status_value, status_string); + if (major_status == GSS_S_COMPLETE) { + + *message_content = 0; + *minor_status = 0; + return GSS_S_COMPLETE; + } + + *minor_status = 0; + switch (status_type) { + case GSS_C_GSS_CODE: { + char *buf; + + if (GSS_SUPPLEMENTARY_INFO(status_value)) + asprintf(&buf, "%s", supplementary_error( + GSS_SUPPLEMENTARY_INFO(status_value))); + else + asprintf (&buf, "%s %s", + calling_error(GSS_CALLING_ERROR(status_value)), + routine_error(GSS_ROUTINE_ERROR(status_value))); + + if (buf == NULL) + break; + + status_string->length = strlen(buf); + status_string->value = buf; + + return GSS_S_COMPLETE; + } + case GSS_C_MECH_CODE: { + OM_uint32 maj_junk, min_junk; + gss_buffer_desc oid; + char *buf; + + maj_junk = gss_oid_to_str(&min_junk, mech_type, &oid); + if (maj_junk != GSS_S_COMPLETE) { + oid.value = rk_UNCONST("unknown"); + oid.length = 7; + } + + asprintf (&buf, "unknown mech-code %lu for mech %.*s", + (unsigned long)status_value, + (int)oid.length, (char *)oid.value); + if (maj_junk == GSS_S_COMPLETE) + gss_release_buffer(&min_junk, &oid); + + if (buf == NULL) + break; + + status_string->length = strlen(buf); + status_string->value = buf; + + return GSS_S_COMPLETE; + } + } + _mg_buffer_zero(status_string); + return (GSS_S_BAD_STATUS); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_duplicate_name.c b/source4/heimdal/lib/gssapi/mech/gss_duplicate_name.c new file mode 100644 index 0000000000..6912e3329f --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_duplicate_name.c @@ -0,0 +1,95 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_duplicate_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 gss_duplicate_name(OM_uint32 *minor_status, + const gss_name_t src_name, + gss_name_t *dest_name) +{ + OM_uint32 major_status; + struct _gss_name *name = (struct _gss_name *) src_name; + struct _gss_name *new_name; + struct _gss_mechanism_name *mn; + + *minor_status = 0; + *dest_name = GSS_C_NO_NAME; + + /* + * If this name has a value (i.e. it didn't come from + * gss_canonicalize_name(), we re-import the thing. Otherwise, + * we make copy of each mech names. + */ + if (name->gn_value.value) { + major_status = gss_import_name(minor_status, + &name->gn_value, &name->gn_type, dest_name); + if (major_status != GSS_S_COMPLETE) + return (major_status); + new_name = (struct _gss_name *) *dest_name; + + SLIST_FOREACH(mn, &name->gn_mn, gmn_link) { + struct _gss_mechanism_name *mn2; + _gss_find_mn(minor_status, new_name, + mn->gmn_mech_oid, &mn2); + } + } else { + new_name = malloc(sizeof(struct _gss_name)); + if (!new_name) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + memset(new_name, 0, sizeof(struct _gss_name)); + SLIST_INIT(&new_name->gn_mn); + *dest_name = (gss_name_t) new_name; + + SLIST_FOREACH(mn, &name->gn_mn, gmn_link) { + struct _gss_mechanism_name *new_mn; + + new_mn = malloc(sizeof(*new_mn)); + if (!new_mn) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + new_mn->gmn_mech = mn->gmn_mech; + new_mn->gmn_mech_oid = mn->gmn_mech_oid; + + major_status = + mn->gmn_mech->gm_duplicate_name(minor_status, + mn->gmn_name, &new_mn->gmn_name); + if (major_status != GSS_S_COMPLETE) { + free(new_mn); + continue; + } + SLIST_INSERT_HEAD(&new_name->gn_mn, new_mn, gmn_link); + } + + } + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_duplicate_oid.c b/source4/heimdal/lib/gssapi/mech/gss_duplicate_oid.c new file mode 100644 index 0000000000..59bd797766 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_duplicate_oid.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 gss_duplicate_oid ( + OM_uint32 *minor_status, + gss_OID src_oid, + gss_OID *dest_oid + ) +{ + *minor_status = 0; + + if (src_oid == GSS_C_NO_OID) { + *dest_oid = GSS_C_NO_OID; + return GSS_S_COMPLETE; + } + + *dest_oid = malloc(sizeof(**dest_oid)); + if (*dest_oid == GSS_C_NO_OID) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + (*dest_oid)->elements = malloc(src_oid->length); + if ((*dest_oid)->elements == NULL) { + free(*dest_oid); + *dest_oid = GSS_C_NO_OID; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy((*dest_oid)->elements, src_oid->elements, src_oid->length); + (*dest_oid)->length = src_oid->length; + + *minor_status = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_encapsulate_token.c b/source4/heimdal/lib/gssapi/mech/gss_encapsulate_token.c new file mode 100644 index 0000000000..b9d06c28fa --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_encapsulate_token.c @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_encapsulate_token(gss_buffer_t input_token, + gss_OID oid, + gss_buffer_t output_token) +{ + GSSAPIContextToken ct; + int ret; + size_t size; + + ret = der_get_oid (oid->elements, oid->length, &ct.thisMech, &size); + if (ret) { + _mg_buffer_zero(output_token); + return GSS_S_FAILURE; + } + + ct.innerContextToken.data = input_token->value; + ct.innerContextToken.length = input_token->length; + + ASN1_MALLOC_ENCODE(GSSAPIContextToken, + output_token->value, output_token->length, + &ct, &size, ret); + der_free_oid(&ct.thisMech); + if (ret) { + _mg_buffer_zero(output_token); + return GSS_S_FAILURE; + } + if (output_token->length != size) + abort(); + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_export_name.c b/source4/heimdal/lib/gssapi/mech/gss_export_name.c new file mode 100644 index 0000000000..7c1e6791da --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_export_name.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_export_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_export_name(OM_uint32 *minor_status, + const gss_name_t input_name, + gss_buffer_t exported_name) +{ + struct _gss_name *name = (struct _gss_name *) input_name; + struct _gss_mechanism_name *mn; + + _mg_buffer_zero(exported_name); + + /* + * If this name already has any attached MNs, export the first + * one, otherwise export based on the first mechanism in our + * list. + */ + mn = SLIST_FIRST(&name->gn_mn); + if (!mn) { + *minor_status = 0; + return (GSS_S_NAME_NOT_MN); + } + + return mn->gmn_mech->gm_export_name(minor_status, + mn->gmn_name, exported_name); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c b/source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c new file mode 100644 index 0000000000..f3a6dc4fb5 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c @@ -0,0 +1,78 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_export_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_export_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + gss_buffer_t interprocess_token) +{ + OM_uint32 major_status; + struct _gss_context *ctx = (struct _gss_context *) *context_handle; + gssapi_mech_interface m = ctx->gc_mech; + gss_buffer_desc buf; + + _mg_buffer_zero(interprocess_token); + + major_status = m->gm_export_sec_context(minor_status, + &ctx->gc_ctx, &buf); + + if (major_status == GSS_S_COMPLETE) { + unsigned char *p; + + free(ctx); + *context_handle = GSS_C_NO_CONTEXT; + interprocess_token->length = buf.length + + 2 + m->gm_mech_oid.length; + interprocess_token->value = malloc(interprocess_token->length); + if (!interprocess_token->value) { + /* + * We are in trouble here - the context is + * already gone. This is allowed as long as we + * set the caller's context_handle to + * GSS_C_NO_CONTEXT, which we did above. + * Return GSS_S_FAILURE. + */ + _mg_buffer_zero(interprocess_token); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + p = interprocess_token->value; + p[0] = m->gm_mech_oid.length >> 8; + p[1] = m->gm_mech_oid.length; + memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length); + memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length); + gss_release_buffer(minor_status, &buf); + } else { + _gss_mg_error(m, major_status, *minor_status); + } + + return (major_status); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_get_mic.c b/source4/heimdal/lib/gssapi/mech/gss_get_mic.c new file mode 100644 index 0000000000..9cd5060fc9 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_get_mic.c @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_get_mic.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_get_mic(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + + _mg_buffer_zero(message_token); + if (ctx == NULL) { + *minor_status = 0; + return GSS_S_NO_CONTEXT; + } + + return (m->gm_get_mic(minor_status, ctx->gc_ctx, qop_req, + message_buffer, message_token)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_import_name.c b/source4/heimdal/lib/gssapi/mech/gss_import_name.c new file mode 100644 index 0000000000..040e228410 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_import_name.c @@ -0,0 +1,218 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_import_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +static OM_uint32 +_gss_import_export_name(OM_uint32 *minor_status, + const gss_buffer_t input_name_buffer, + gss_name_t *output_name) +{ + OM_uint32 major_status; + unsigned char *p = input_name_buffer->value; + size_t len = input_name_buffer->length; + size_t t; + gss_OID_desc mech_oid; + gssapi_mech_interface m; + struct _gss_name *name; + gss_name_t new_canonical_name; + + *minor_status = 0; + *output_name = 0; + + /* + * Make sure that TOK_ID is {4, 1}. + */ + if (len < 2) + return (GSS_S_BAD_NAME); + if (p[0] != 4 || p[1] != 1) + return (GSS_S_BAD_NAME); + p += 2; + len -= 2; + + /* + * Get the mech length and the name length and sanity + * check the size of of the buffer. + */ + if (len < 2) + return (GSS_S_BAD_NAME); + t = (p[0] << 8) + p[1]; + p += 2; + len -= 2; + + /* + * Check the DER encoded OID to make sure it agrees with the + * length we just decoded. + */ + if (p[0] != 6) /* 6=OID */ + return (GSS_S_BAD_NAME); + p++; + len--; + t--; + if (p[0] & 0x80) { + int digits = p[0]; + p++; + len--; + t--; + mech_oid.length = 0; + while (digits--) { + mech_oid.length = (mech_oid.length << 8) | p[0]; + p++; + len--; + t--; + } + } else { + mech_oid.length = p[0]; + p++; + len--; + t--; + } + if (mech_oid.length != t) + return (GSS_S_BAD_NAME); + + mech_oid.elements = p; + + if (len < t + 4) + return (GSS_S_BAD_NAME); + p += t; + len -= t; + + t = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; + p += 4; + len -= 4; + + if (len != t) + return (GSS_S_BAD_NAME); + + m = __gss_get_mechanism(&mech_oid); + if (!m) + return (GSS_S_BAD_MECH); + + /* + * Ask the mechanism to import the name. + */ + major_status = m->gm_import_name(minor_status, + input_name_buffer, GSS_C_NT_EXPORT_NAME, &new_canonical_name); + if (major_status != GSS_S_COMPLETE) { + _gss_mg_error(m, major_status, *minor_status); + return major_status; + } + + /* + * Now we make a new name and mark it as an MN. + */ + name = _gss_make_name(m, new_canonical_name); + if (!name) { + m->gm_release_name(minor_status, &new_canonical_name); + return (GSS_S_FAILURE); + } + + *output_name = (gss_name_t) name; + + *minor_status = 0; + return (GSS_S_COMPLETE); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_import_name(OM_uint32 *minor_status, + const gss_buffer_t input_name_buffer, + const gss_OID input_name_type, + gss_name_t *output_name) +{ + gss_OID name_type = input_name_type; + OM_uint32 major_status; + struct _gss_name *name; + + *output_name = GSS_C_NO_NAME; + + if (input_name_buffer->length == 0) { + *minor_status = 0; + return (GSS_S_BAD_NAME); + } + + /* + * Use GSS_NT_USER_NAME as default name type. + */ + if (name_type == GSS_C_NO_OID) + name_type = GSS_C_NT_USER_NAME; + + /* + * If this is an exported name, we need to parse it to find + * the mechanism and then import it as an MN. See RFC 2743 + * section 3.2 for a description of the format. + */ + if (gss_oid_equal(name_type, GSS_C_NT_EXPORT_NAME)) { + return _gss_import_export_name(minor_status, + input_name_buffer, output_name); + } + + /* + * Only allow certain name types. This is pretty bogus - we + * should figure out the list of supported name types using + * gss_inquire_names_for_mech. + */ + if (!gss_oid_equal(name_type, GSS_C_NT_USER_NAME) + && !gss_oid_equal(name_type, GSS_C_NT_MACHINE_UID_NAME) + && !gss_oid_equal(name_type, GSS_C_NT_STRING_UID_NAME) + && !gss_oid_equal(name_type, GSS_C_NT_HOSTBASED_SERVICE_X) + && !gss_oid_equal(name_type, GSS_C_NT_HOSTBASED_SERVICE) + && !gss_oid_equal(name_type, GSS_C_NT_ANONYMOUS) + && !gss_oid_equal(name_type, GSS_KRB5_NT_PRINCIPAL_NAME)) { + *minor_status = 0; + return (GSS_S_BAD_NAMETYPE); + } + + *minor_status = 0; + name = malloc(sizeof(struct _gss_name)); + if (!name) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + memset(name, 0, sizeof(struct _gss_name)); + + major_status = _gss_copy_oid(minor_status, + name_type, &name->gn_type); + if (major_status) { + free(name); + return (GSS_S_FAILURE); + } + + major_status = _gss_copy_buffer(minor_status, + input_name_buffer, &name->gn_value); + if (major_status) { + gss_name_t rname = (gss_name_t)name; + gss_release_name(minor_status, &rname); + return (GSS_S_FAILURE); + } + + SLIST_INIT(&name->gn_mn); + + *output_name = (gss_name_t) name; + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c b/source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c new file mode 100644 index 0000000000..01ca9f10df --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_import_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_import_sec_context(OM_uint32 *minor_status, + const gss_buffer_t interprocess_token, + gss_ctx_id_t *context_handle) +{ + OM_uint32 major_status; + gssapi_mech_interface m; + struct _gss_context *ctx; + gss_OID_desc mech_oid; + gss_buffer_desc buf; + unsigned char *p; + size_t len; + + *minor_status = 0; + *context_handle = GSS_C_NO_CONTEXT; + + /* + * We added an oid to the front of the token in + * gss_export_sec_context. + */ + p = interprocess_token->value; + len = interprocess_token->length; + if (len < 2) + return (GSS_S_DEFECTIVE_TOKEN); + mech_oid.length = (p[0] << 8) | p[1]; + if (len < mech_oid.length + 2) + return (GSS_S_DEFECTIVE_TOKEN); + mech_oid.elements = p + 2; + buf.length = len - 2 - mech_oid.length; + buf.value = p + 2 + mech_oid.length; + + m = __gss_get_mechanism(&mech_oid); + if (!m) + return (GSS_S_DEFECTIVE_TOKEN); + + ctx = malloc(sizeof(struct _gss_context)); + if (!ctx) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + ctx->gc_mech = m; + major_status = m->gm_import_sec_context(minor_status, + &buf, &ctx->gc_ctx); + if (major_status != GSS_S_COMPLETE) { + _gss_mg_error(m, major_status, *minor_status); + free(ctx); + } else { + *context_handle = (gss_ctx_id_t) ctx; + } + + return (major_status); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_indicate_mechs.c b/source4/heimdal/lib/gssapi/mech/gss_indicate_mechs.c new file mode 100644 index 0000000000..34c0bb55d8 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_indicate_mechs.c @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_indicate_mechs.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_indicate_mechs(OM_uint32 *minor_status, + gss_OID_set *mech_set) +{ + struct _gss_mech_switch *m; + OM_uint32 major_status; + gss_OID_set set; + int i; + + _gss_load_mech(); + + major_status = gss_create_empty_oid_set(minor_status, mech_set); + if (major_status) + return (major_status); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_indicate_mechs) { + major_status = m->gm_mech.gm_indicate_mechs( + minor_status, &set); + if (major_status) + continue; + for (i = 0; i < set->count; i++) + major_status = gss_add_oid_set_member( + minor_status, &set->elements[i], mech_set); + gss_release_oid_set(minor_status, &set); + } else { + major_status = gss_add_oid_set_member( + minor_status, &m->gm_mech_oid, mech_set); + } + } + + *minor_status = 0; + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_init_sec_context.c b/source4/heimdal/lib/gssapi/mech/gss_init_sec_context.c new file mode 100644 index 0000000000..579000a7ec --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_init_sec_context.c @@ -0,0 +1,149 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_init_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +static gss_cred_id_t +_gss_mech_cred_find(gss_cred_id_t cred_handle, gss_OID mech_type) +{ + struct _gss_cred *cred = (struct _gss_cred *)cred_handle; + struct _gss_mechanism_cred *mc; + + if (cred == NULL) + return GSS_C_NO_CREDENTIAL; + + SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { + if (gss_oid_equal(mech_type, mc->gmc_mech_oid)) + return mc->gmc_cred; + } + return GSS_C_NO_CREDENTIAL; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_init_sec_context(OM_uint32 * minor_status, + const gss_cred_id_t initiator_cred_handle, + gss_ctx_id_t * context_handle, + const gss_name_t target_name, + const gss_OID input_mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec) +{ + OM_uint32 major_status; + gssapi_mech_interface m; + struct _gss_name *name = (struct _gss_name *) target_name; + struct _gss_mechanism_name *mn; + struct _gss_context *ctx = (struct _gss_context *) *context_handle; + gss_cred_id_t cred_handle; + int allocated_ctx; + gss_OID mech_type = input_mech_type; + + *minor_status = 0; + + _mg_buffer_zero(output_token); + if (actual_mech_type) + *actual_mech_type = GSS_C_NO_OID; + if (ret_flags) + *ret_flags = 0; + if (time_rec) + *time_rec = 0; + + /* + * If we haven't allocated a context yet, do so now and lookup + * the mechanism switch table. If we have one already, make + * sure we use the same mechanism switch as before. + */ + if (!ctx) { + if (mech_type == NULL) + mech_type = GSS_KRB5_MECHANISM; + + ctx = malloc(sizeof(struct _gss_context)); + if (!ctx) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + memset(ctx, 0, sizeof(struct _gss_context)); + m = ctx->gc_mech = __gss_get_mechanism(mech_type); + if (!m) { + free(ctx); + return (GSS_S_BAD_MECH); + } + allocated_ctx = 1; + } else { + m = ctx->gc_mech; + mech_type = &ctx->gc_mech->gm_mech_oid; + allocated_ctx = 0; + } + + /* + * Find the MN for this mechanism. + */ + major_status = _gss_find_mn(minor_status, name, mech_type, &mn); + if (major_status != GSS_S_COMPLETE) { + if (allocated_ctx) + free(ctx); + return major_status; + } + + /* + * If we have a cred, find the cred for this mechanism. + */ + cred_handle = _gss_mech_cred_find(initiator_cred_handle, mech_type); + + major_status = m->gm_init_sec_context(minor_status, + cred_handle, + &ctx->gc_ctx, + mn->gmn_name, + mech_type, + req_flags, + time_req, + input_chan_bindings, + input_token, + actual_mech_type, + output_token, + ret_flags, + time_rec); + + if (major_status != GSS_S_COMPLETE + && major_status != GSS_S_CONTINUE_NEEDED) { + if (allocated_ctx) + free(ctx); + _mg_buffer_zero(output_token); + _gss_mg_error(m, major_status, *minor_status); + } else { + *context_handle = (gss_ctx_id_t) ctx; + } + + return (major_status); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_inquire_context.c b/source4/heimdal/lib/gssapi/mech/gss_inquire_context.c new file mode 100644 index 0000000000..8872f121d0 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_inquire_context.c @@ -0,0 +1,106 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_inquire_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_context(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + gss_name_t *src_name, + gss_name_t *targ_name, + OM_uint32 *lifetime_rec, + gss_OID *mech_type, + OM_uint32 *ctx_flags, + int *locally_initiated, + int *open) +{ + OM_uint32 major_status; + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + struct _gss_name *name; + gss_name_t src_mn, targ_mn; + + if (locally_initiated) + *locally_initiated = 0; + if (open) + *open = 0; + if (lifetime_rec) + *lifetime_rec = 0; + + if (src_name) + *src_name = GSS_C_NO_NAME; + if (targ_name) + *targ_name = GSS_C_NO_NAME; + if (mech_type) + *mech_type = GSS_C_NO_OID; + src_mn = targ_mn = GSS_C_NO_NAME; + + major_status = m->gm_inquire_context(minor_status, + ctx->gc_ctx, + src_name ? &src_mn : NULL, + targ_name ? &targ_mn : NULL, + lifetime_rec, + mech_type, + ctx_flags, + locally_initiated, + open); + + if (major_status != GSS_S_COMPLETE) { + _gss_mg_error(m, major_status, *minor_status); + return (major_status); + } + + if (src_name) { + name = _gss_make_name(m, src_mn); + if (!name) { + if (mech_type) + *mech_type = GSS_C_NO_OID; + m->gm_release_name(minor_status, &src_mn); + *minor_status = 0; + return (GSS_S_FAILURE); + } + *src_name = (gss_name_t) name; + } + + if (targ_name) { + name = _gss_make_name(m, targ_mn); + if (!name) { + if (mech_type) + *mech_type = GSS_C_NO_OID; + if (src_name) + gss_release_name(minor_status, src_name); + m->gm_release_name(minor_status, &targ_mn); + *minor_status = 0; + return (GSS_S_FAILURE); + } + *targ_name = (gss_name_t) name; + } + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_inquire_cred.c b/source4/heimdal/lib/gssapi/mech/gss_inquire_cred.c new file mode 100644 index 0000000000..3587572672 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_inquire_cred.c @@ -0,0 +1,196 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_inquire_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +#define AUSAGE 1 +#define IUSAGE 2 + +static void +updateusage(gss_cred_usage_t usage, int *usagemask) +{ + if (usage == GSS_C_BOTH) + *usagemask |= AUSAGE | IUSAGE; + else if (usage == GSS_C_ACCEPT) + *usagemask |= AUSAGE; + else if (usage == GSS_C_INITIATE) + *usagemask |= IUSAGE; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_cred(OM_uint32 *minor_status, + const gss_cred_id_t cred_handle, + gss_name_t *name_ret, + OM_uint32 *lifetime, + gss_cred_usage_t *cred_usage, + gss_OID_set *mechanisms) +{ + OM_uint32 major_status; + struct _gss_mech_switch *m; + struct _gss_cred *cred = (struct _gss_cred *) cred_handle; + struct _gss_name *name; + struct _gss_mechanism_name *mn; + OM_uint32 min_lifetime; + int found = 0; + int usagemask = 0; + gss_cred_usage_t usage; + + _gss_load_mech(); + + *minor_status = 0; + if (name_ret) + *name_ret = GSS_C_NO_NAME; + if (lifetime) + *lifetime = 0; + if (cred_usage) + *cred_usage = 0; + if (mechanisms) + *mechanisms = GSS_C_NO_OID_SET; + + if (name_ret) { + name = calloc(1, sizeof(*name)); + if (name == NULL) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + SLIST_INIT(&name->gn_mn); + } else { + name = NULL; + } + + if (mechanisms) { + major_status = gss_create_empty_oid_set(minor_status, + mechanisms); + if (major_status) { + if (name) free(name); + return (major_status); + } + } + + min_lifetime = GSS_C_INDEFINITE; + if (cred) { + struct _gss_mechanism_cred *mc; + + SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { + gss_name_t mc_name; + OM_uint32 mc_lifetime; + + major_status = mc->gmc_mech->gm_inquire_cred(minor_status, + mc->gmc_cred, &mc_name, &mc_lifetime, &usage, NULL); + if (major_status) + continue; + + updateusage(usage, &usagemask); + if (name) { + mn = malloc(sizeof(struct _gss_mechanism_name)); + if (!mn) { + mc->gmc_mech->gm_release_name(minor_status, + &mc_name); + continue; + } + mn->gmn_mech = mc->gmc_mech; + mn->gmn_mech_oid = mc->gmc_mech_oid; + mn->gmn_name = mc_name; + SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link); + } else { + mc->gmc_mech->gm_release_name(minor_status, + &mc_name); + } + + if (mc_lifetime < min_lifetime) + min_lifetime = mc_lifetime; + + if (mechanisms) + gss_add_oid_set_member(minor_status, + mc->gmc_mech_oid, mechanisms); + found++; + } + } else { + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + gss_name_t mc_name; + OM_uint32 mc_lifetime; + + major_status = m->gm_mech.gm_inquire_cred(minor_status, + GSS_C_NO_CREDENTIAL, &mc_name, &mc_lifetime, + &usage, NULL); + if (major_status) + continue; + + updateusage(usage, &usagemask); + if (name && mc_name) { + mn = malloc( + sizeof(struct _gss_mechanism_name)); + if (!mn) { + m->gm_mech.gm_release_name( + minor_status, &mc_name); + continue; + } + mn->gmn_mech = &m->gm_mech; + mn->gmn_mech_oid = &m->gm_mech_oid; + mn->gmn_name = mc_name; + SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link); + } else if (mc_name) { + m->gm_mech.gm_release_name(minor_status, + &mc_name); + } + + if (mc_lifetime < min_lifetime) + min_lifetime = mc_lifetime; + + if (mechanisms) + gss_add_oid_set_member(minor_status, + &m->gm_mech_oid, mechanisms); + found++; + } + } + + if (found == 0) { + gss_name_t n = (gss_name_t)name; + if (n) + gss_release_name(minor_status, &n); + gss_release_oid_set(minor_status, mechanisms); + *minor_status = 0; + return (GSS_S_NO_CRED); + } + + *minor_status = 0; + if (name_ret) + *name_ret = (gss_name_t) name; + if (lifetime) + *lifetime = min_lifetime; + if (cred_usage) { + if ((usagemask & (AUSAGE|IUSAGE)) == (AUSAGE|IUSAGE)) + *cred_usage = GSS_C_BOTH; + else if (usagemask & IUSAGE) + *cred_usage = GSS_C_INITIATE; + else if (usagemask & AUSAGE) + *cred_usage = GSS_C_ACCEPT; + } + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_inquire_cred_by_mech.c b/source4/heimdal/lib/gssapi/mech/gss_inquire_cred_by_mech.c new file mode 100644 index 0000000000..47a2eaf279 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_inquire_cred_by_mech.c @@ -0,0 +1,93 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_inquire_cred_by_mech.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_cred_by_mech(OM_uint32 *minor_status, + const gss_cred_id_t cred_handle, + const gss_OID mech_type, + gss_name_t *cred_name, + OM_uint32 *initiator_lifetime, + OM_uint32 *acceptor_lifetime, + gss_cred_usage_t *cred_usage) +{ + OM_uint32 major_status; + gssapi_mech_interface m; + struct _gss_mechanism_cred *mcp; + gss_cred_id_t mc; + gss_name_t mn; + struct _gss_name *name; + + *minor_status = 0; + if (cred_name) + *cred_name = GSS_C_NO_NAME; + if (initiator_lifetime) + *initiator_lifetime = 0; + if (acceptor_lifetime) + *acceptor_lifetime = 0; + if (cred_usage) + *cred_usage = 0; + + m = __gss_get_mechanism(mech_type); + if (!m) + return (GSS_S_NO_CRED); + + if (cred_handle != GSS_C_NO_CREDENTIAL) { + struct _gss_cred *cred = (struct _gss_cred *) cred_handle; + SLIST_FOREACH(mcp, &cred->gc_mc, gmc_link) + if (mcp->gmc_mech == m) + break; + if (!mcp) + return (GSS_S_NO_CRED); + mc = mcp->gmc_cred; + } else { + mc = GSS_C_NO_CREDENTIAL; + } + + major_status = m->gm_inquire_cred_by_mech(minor_status, mc, mech_type, + &mn, initiator_lifetime, acceptor_lifetime, cred_usage); + if (major_status != GSS_S_COMPLETE) { + _gss_mg_error(m, major_status, *minor_status); + return (major_status); + } + + if (cred_name) { + name = _gss_make_name(m, mn); + if (!name) { + m->gm_release_name(minor_status, &mn); + return (GSS_S_NO_CRED); + } + *cred_name = (gss_name_t) name; + } else + m->gm_release_name(minor_status, &mn); + + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_inquire_cred_by_oid.c b/source4/heimdal/lib/gssapi/mech/gss_inquire_cred_by_oid.c new file mode 100644 index 0000000000..d22231d96b --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_inquire_cred_by_oid.c @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_cred_by_oid (OM_uint32 *minor_status, + const gss_cred_id_t cred_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set) +{ + struct _gss_cred *cred = (struct _gss_cred *) cred_handle; + OM_uint32 status = GSS_S_COMPLETE; + struct _gss_mechanism_cred *mc; + gssapi_mech_interface m; + gss_buffer_set_t set = GSS_C_NO_BUFFER_SET; + + *minor_status = 0; + *data_set = GSS_C_NO_BUFFER_SET; + + if (cred == NULL) + return GSS_S_NO_CRED; + + SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { + gss_buffer_set_t rset = GSS_C_NO_BUFFER_SET; + int i; + + m = mc->gmc_mech; + if (m == NULL) { + gss_release_buffer_set(minor_status, &set); + *minor_status = 0; + return GSS_S_BAD_MECH; + } + + if (m->gm_inquire_cred_by_oid == NULL) + continue; + + status = m->gm_inquire_cred_by_oid(minor_status, + mc->gmc_cred, desired_object, &rset); + if (status != GSS_S_COMPLETE) + continue; + + for (i = 0; i < rset->count; i++) { + status = gss_add_buffer_set_member(minor_status, + &rset->elements[i], &set); + if (status != GSS_S_COMPLETE) + break; + } + gss_release_buffer_set(minor_status, &rset); + } + if (set == GSS_C_NO_BUFFER_SET) + status = GSS_S_FAILURE; + *data_set = set; + *minor_status = 0; + return status; +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_inquire_mechs_for_name.c b/source4/heimdal/lib/gssapi/mech/gss_inquire_mechs_for_name.c new file mode 100644 index 0000000000..8df7f88a0a --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_inquire_mechs_for_name.c @@ -0,0 +1,77 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_inquire_mechs_for_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_mechs_for_name(OM_uint32 *minor_status, + const gss_name_t input_name, + gss_OID_set *mech_types) +{ + OM_uint32 major_status; + struct _gss_name *name = (struct _gss_name *) input_name; + struct _gss_mech_switch *m; + gss_OID_set name_types; + int present; + + *minor_status = 0; + + _gss_load_mech(); + + major_status = gss_create_empty_oid_set(minor_status, mech_types); + if (major_status) + return (major_status); + + /* + * We go through all the loaded mechanisms and see if this + * name's type is supported by the mechanism. If it is, add + * the mechanism to the set. + */ + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + major_status = gss_inquire_names_for_mech(minor_status, + &m->gm_mech_oid, &name_types); + if (major_status) { + gss_release_oid_set(minor_status, mech_types); + return (major_status); + } + gss_test_oid_set_member(minor_status, + &name->gn_type, name_types, &present); + gss_release_oid_set(minor_status, &name_types); + if (present) { + major_status = gss_add_oid_set_member(minor_status, + &m->gm_mech_oid, mech_types); + if (major_status) { + gss_release_oid_set(minor_status, mech_types); + return (major_status); + } + } + } + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_inquire_names_for_mech.c b/source4/heimdal/lib/gssapi/mech/gss_inquire_names_for_mech.c new file mode 100644 index 0000000000..a630d76216 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_inquire_names_for_mech.c @@ -0,0 +1,74 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_inquire_names_for_mech.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_names_for_mech(OM_uint32 *minor_status, + const gss_OID mechanism, + gss_OID_set *name_types) +{ + OM_uint32 major_status; + gssapi_mech_interface m = __gss_get_mechanism(mechanism); + + *minor_status = 0; + *name_types = GSS_C_NO_OID_SET; + if (!m) + return (GSS_S_BAD_MECH); + + /* + * If the implementation can do it, ask it for a list of + * names, otherwise fake it. + */ + if (m->gm_inquire_names_for_mech) { + return (m->gm_inquire_names_for_mech(minor_status, + mechanism, name_types)); + } else { + major_status = gss_create_empty_oid_set(minor_status, + name_types); + if (major_status) + return (major_status); + major_status = gss_add_oid_set_member(minor_status, + GSS_C_NT_HOSTBASED_SERVICE, name_types); + if (major_status) { + OM_uint32 junk; + gss_release_oid_set(&junk, name_types); + return (major_status); + } + major_status = gss_add_oid_set_member(minor_status, + GSS_C_NT_USER_NAME, name_types); + if (major_status) { + OM_uint32 junk; + gss_release_oid_set(&junk, name_types); + return (major_status); + } + } + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_inquire_sec_context_by_oid.c b/source4/heimdal/lib/gssapi/mech/gss_inquire_sec_context_by_oid.c new file mode 100644 index 0000000000..9ba892dc0e --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_inquire_sec_context_by_oid.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_inquire_sec_context_by_oid (OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + OM_uint32 major_status; + gssapi_mech_interface m; + + *minor_status = 0; + *data_set = GSS_C_NO_BUFFER_SET; + if (ctx == NULL) + return GSS_S_NO_CONTEXT; + + /* + * select the approprate underlying mechanism routine and + * call it. + */ + + m = ctx->gc_mech; + + if (m == NULL) + return GSS_S_BAD_MECH; + + if (m->gm_inquire_sec_context_by_oid != NULL) { + major_status = m->gm_inquire_sec_context_by_oid(minor_status, + ctx->gc_ctx, desired_object, data_set); + if (major_status != GSS_S_COMPLETE) + _gss_mg_error(m, major_status, *minor_status); + } else + major_status = GSS_S_BAD_MECH; + + return major_status; +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_krb5.c b/source4/heimdal/lib/gssapi/mech/gss_krb5.c new file mode 100644 index 0000000000..e224dffe05 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_krb5.c @@ -0,0 +1,922 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_krb5.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +#include <krb5.h> +#include <roken.h> + + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_copy_ccache(OM_uint32 *minor_status, + gss_cred_id_t cred, + krb5_ccache out) +{ + gss_buffer_set_t data_set = GSS_C_NO_BUFFER_SET; + krb5_context context; + krb5_error_code kret; + krb5_ccache id; + OM_uint32 ret; + char *str; + + ret = gss_inquire_cred_by_oid(minor_status, + cred, + GSS_KRB5_COPY_CCACHE_X, + &data_set); + if (ret) + return ret; + + if (data_set == GSS_C_NO_BUFFER_SET || data_set->count < 1) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + kret = krb5_init_context(&context); + if (kret) { + *minor_status = kret; + gss_release_buffer_set(minor_status, &data_set); + return GSS_S_FAILURE; + } + + kret = asprintf(&str, "%.*s", (int)data_set->elements[0].length, + (char *)data_set->elements[0].value); + gss_release_buffer_set(minor_status, &data_set); + if (kret == -1) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + kret = krb5_cc_resolve(context, str, &id); + free(str); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + kret = krb5_cc_copy_cache(context, id, out); + krb5_cc_close(context, id); + krb5_free_context(context); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + + return ret; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_import_cred(OM_uint32 *minor_status, + krb5_ccache id, + krb5_principal keytab_principal, + krb5_keytab keytab, + gss_cred_id_t *cred) +{ + gss_buffer_desc buffer; + OM_uint32 major_status; + krb5_context context; + krb5_error_code ret; + krb5_storage *sp; + krb5_data data; + char *str; + + *cred = GSS_C_NO_CREDENTIAL; + + ret = krb5_init_context(&context); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + sp = krb5_storage_emem(); + if (sp == NULL) { + *minor_status = ENOMEM; + major_status = GSS_S_FAILURE; + goto out; + } + + if (id) { + ret = krb5_cc_get_full_name(context, id, &str); + if (ret == 0) { + ret = krb5_store_string(sp, str); + free(str); + } + } else + ret = krb5_store_string(sp, ""); + if (ret) { + *minor_status = ret; + major_status = GSS_S_FAILURE; + goto out; + } + + if (keytab_principal) { + ret = krb5_unparse_name(context, keytab_principal, &str); + if (ret == 0) { + ret = krb5_store_string(sp, str); + free(str); + } + } else + krb5_store_string(sp, ""); + if (ret) { + *minor_status = ret; + major_status = GSS_S_FAILURE; + goto out; + } + + + if (keytab) { + ret = krb5_kt_get_full_name(context, keytab, &str); + if (ret == 0) { + ret = krb5_store_string(sp, str); + free(str); + } + } else + krb5_store_string(sp, ""); + if (ret) { + *minor_status = ret; + major_status = GSS_S_FAILURE; + goto out; + } + + ret = krb5_storage_to_data(sp, &data); + if (ret) { + *minor_status = ret; + major_status = GSS_S_FAILURE; + goto out; + } + + buffer.value = data.data; + buffer.length = data.length; + + major_status = gss_set_cred_option(minor_status, + cred, + GSS_KRB5_IMPORT_CRED_X, + &buffer); + krb5_data_free(&data); +out: + if (sp) + krb5_storage_free(sp); + krb5_free_context(context); + return major_status; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_register_acceptor_identity(const char *identity) +{ + struct _gss_mech_switch *m; + gss_buffer_desc buffer; + OM_uint32 junk; + + _gss_load_mech(); + + buffer.value = rk_UNCONST(identity); + buffer.length = strlen(identity); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_set_sec_context_option == NULL) + continue; + m->gm_mech.gm_set_sec_context_option(&junk, NULL, + GSS_KRB5_REGISTER_ACCEPTOR_IDENTITY_X, &buffer); + } + + return (GSS_S_COMPLETE); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +krb5_gss_register_acceptor_identity(const char *identity) +{ + return gsskrb5_register_acceptor_identity(identity); +} + + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_dns_canonicalize(int flag) +{ + struct _gss_mech_switch *m; + gss_buffer_desc buffer; + OM_uint32 junk; + char b = (flag != 0); + + _gss_load_mech(); + + buffer.value = &b; + buffer.length = sizeof(b); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_set_sec_context_option == NULL) + continue; + m->gm_mech.gm_set_sec_context_option(&junk, NULL, + GSS_KRB5_SET_DNS_CANONICALIZE_X, &buffer); + } + + return (GSS_S_COMPLETE); +} + + + +static krb5_error_code +set_key(krb5_keyblock *keyblock, gss_krb5_lucid_key_t *key) +{ + key->type = keyblock->keytype; + key->length = keyblock->keyvalue.length; + key->data = malloc(key->length); + if (key->data == NULL && key->length != 0) + return ENOMEM; + memcpy(key->data, keyblock->keyvalue.data, key->length); + return 0; +} + +static void +free_key(gss_krb5_lucid_key_t *key) +{ + memset(key->data, 0, key->length); + free(key->data); + memset(key, 0, sizeof(*key)); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_export_lucid_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + OM_uint32 version, + void **rctx) +{ + krb5_context context = NULL; + krb5_error_code ret; + gss_buffer_set_t data_set = GSS_C_NO_BUFFER_SET; + OM_uint32 major_status; + gss_krb5_lucid_context_v1_t *ctx = NULL; + krb5_storage *sp = NULL; + uint32_t num; + + if (context_handle == NULL + || *context_handle == GSS_C_NO_CONTEXT + || version != 1) + { + ret = EINVAL; + return GSS_S_FAILURE; + } + + major_status = + gss_inquire_sec_context_by_oid (minor_status, + *context_handle, + GSS_KRB5_EXPORT_LUCID_CONTEXT_V1_X, + &data_set); + if (major_status) + return major_status; + + if (data_set == GSS_C_NO_BUFFER_SET || data_set->count != 1) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + ret = krb5_init_context(&context); + if (ret) + goto out; + + ctx = calloc(1, sizeof(*ctx)); + if (ctx == NULL) { + ret = ENOMEM; + goto out; + } + + sp = krb5_storage_from_mem(data_set->elements[0].value, + data_set->elements[0].length); + if (sp == NULL) { + ret = ENOMEM; + goto out; + } + + ret = krb5_ret_uint32(sp, &num); + if (ret) goto out; + if (num != 1) { + ret = EINVAL; + goto out; + } + ctx->version = 1; + /* initiator */ + ret = krb5_ret_uint32(sp, &ctx->initiate); + if (ret) goto out; + /* endtime */ + ret = krb5_ret_uint32(sp, &ctx->endtime); + if (ret) goto out; + /* send_seq */ + ret = krb5_ret_uint32(sp, &num); + if (ret) goto out; + ctx->send_seq = ((uint64_t)num) << 32; + ret = krb5_ret_uint32(sp, &num); + if (ret) goto out; + ctx->send_seq |= num; + /* recv_seq */ + ret = krb5_ret_uint32(sp, &num); + if (ret) goto out; + ctx->recv_seq = ((uint64_t)num) << 32; + ret = krb5_ret_uint32(sp, &num); + if (ret) goto out; + ctx->recv_seq |= num; + /* protocol */ + ret = krb5_ret_uint32(sp, &ctx->protocol); + if (ret) goto out; + if (ctx->protocol == 0) { + krb5_keyblock key; + + /* sign_alg */ + ret = krb5_ret_uint32(sp, &ctx->rfc1964_kd.sign_alg); + if (ret) goto out; + /* seal_alg */ + ret = krb5_ret_uint32(sp, &ctx->rfc1964_kd.seal_alg); + if (ret) goto out; + /* ctx_key */ + ret = krb5_ret_keyblock(sp, &key); + if (ret) goto out; + ret = set_key(&key, &ctx->rfc1964_kd.ctx_key); + krb5_free_keyblock_contents(context, &key); + if (ret) goto out; + } else if (ctx->protocol == 1) { + krb5_keyblock key; + + /* acceptor_subkey */ + ret = krb5_ret_uint32(sp, &ctx->cfx_kd.have_acceptor_subkey); + if (ret) goto out; + /* ctx_key */ + ret = krb5_ret_keyblock(sp, &key); + if (ret) goto out; + ret = set_key(&key, &ctx->cfx_kd.ctx_key); + krb5_free_keyblock_contents(context, &key); + if (ret) goto out; + /* acceptor_subkey */ + if (ctx->cfx_kd.have_acceptor_subkey) { + ret = krb5_ret_keyblock(sp, &key); + if (ret) goto out; + ret = set_key(&key, &ctx->cfx_kd.acceptor_subkey); + krb5_free_keyblock_contents(context, &key); + if (ret) goto out; + } + } else { + ret = EINVAL; + goto out; + } + + *rctx = ctx; + +out: + gss_release_buffer_set(minor_status, &data_set); + if (sp) + krb5_storage_free(sp); + if (context) + krb5_free_context(context); + + if (ret) { + if (ctx) + gss_krb5_free_lucid_sec_context(NULL, ctx); + + *minor_status = ret; + return GSS_S_FAILURE; + } + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_free_lucid_sec_context(OM_uint32 *minor_status, void *c) +{ + gss_krb5_lucid_context_v1_t *ctx = c; + + if (ctx->version != 1) { + if (minor_status) + *minor_status = 0; + return GSS_S_FAILURE; + } + + if (ctx->protocol == 0) { + free_key(&ctx->rfc1964_kd.ctx_key); + } else if (ctx->protocol == 1) { + free_key(&ctx->cfx_kd.ctx_key); + if (ctx->cfx_kd.have_acceptor_subkey) + free_key(&ctx->cfx_kd.acceptor_subkey); + } + free(ctx); + if (minor_status) + *minor_status = 0; + return GSS_S_COMPLETE; +} + +/* + * + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_set_allowable_enctypes(OM_uint32 *minor_status, + gss_cred_id_t cred, + OM_uint32 num_enctypes, + int32_t *enctypes) +{ + krb5_error_code ret; + OM_uint32 maj_status; + gss_buffer_desc buffer; + krb5_storage *sp; + krb5_data data; + int i; + + sp = krb5_storage_emem(); + if (sp == NULL) { + *minor_status = ENOMEM; + maj_status = GSS_S_FAILURE; + goto out; + } + + for (i = 0; i < num_enctypes; i++) { + ret = krb5_store_int32(sp, enctypes[i]); + if (ret) { + *minor_status = ret; + maj_status = GSS_S_FAILURE; + goto out; + } + } + + ret = krb5_storage_to_data(sp, &data); + if (ret) { + *minor_status = ret; + maj_status = GSS_S_FAILURE; + goto out; + } + + buffer.value = data.data; + buffer.length = data.length; + + maj_status = gss_set_cred_option(minor_status, + &cred, + GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X, + &buffer); + krb5_data_free(&data); +out: + if (sp) + krb5_storage_free(sp); + return maj_status; +} + +/* + * + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_send_to_kdc(struct gsskrb5_send_to_kdc *c) +{ + struct _gss_mech_switch *m; + gss_buffer_desc buffer; + OM_uint32 junk; + + _gss_load_mech(); + + if (c) { + buffer.value = c; + buffer.length = sizeof(*c); + } else { + buffer.value = NULL; + buffer.length = 0; + } + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_set_sec_context_option == NULL) + continue; + m->gm_mech.gm_set_sec_context_option(&junk, NULL, + GSS_KRB5_SEND_TO_KDC_X, &buffer); + } + + return (GSS_S_COMPLETE); +} + +/* + * + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_ccache_name(OM_uint32 *minor_status, + const char *name, + const char **out_name) +{ + struct _gss_mech_switch *m; + gss_buffer_desc buffer; + OM_uint32 junk; + + _gss_load_mech(); + + if (out_name) + *out_name = NULL; + + buffer.value = rk_UNCONST(name); + buffer.length = strlen(name); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_set_sec_context_option == NULL) + continue; + m->gm_mech.gm_set_sec_context_option(&junk, NULL, + GSS_KRB5_CCACHE_NAME_X, &buffer); + } + + return (GSS_S_COMPLETE); +} + + +/* + * + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_extract_authtime_from_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + time_t *authtime) +{ + gss_buffer_set_t data_set = GSS_C_NO_BUFFER_SET; + OM_uint32 maj_stat; + + if (context_handle == GSS_C_NO_CONTEXT) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + maj_stat = + gss_inquire_sec_context_by_oid (minor_status, + context_handle, + GSS_KRB5_GET_AUTHTIME_X, + &data_set); + if (maj_stat) + return maj_stat; + + if (data_set == GSS_C_NO_BUFFER_SET) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + if (data_set->count != 1) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + if (data_set->elements[0].length != 4) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + { + unsigned char *buf = data_set->elements[0].value; + *authtime = (buf[3] <<24) | (buf[2] << 16) | + (buf[1] << 8) | (buf[0] << 0); + } + + gss_release_buffer_set(minor_status, &data_set); + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +/* + * + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_extract_authz_data_from_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int ad_type, + gss_buffer_t ad_data) +{ + gss_buffer_set_t data_set = GSS_C_NO_BUFFER_SET; + OM_uint32 maj_stat; + gss_OID_desc oid_flat; + heim_oid baseoid, oid; + size_t size; + + if (context_handle == GSS_C_NO_CONTEXT) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + /* All this to append an integer to an oid... */ + + if (der_get_oid(GSS_KRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT_X->elements, + GSS_KRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT_X->length, + &baseoid, NULL) != 0) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + oid.length = baseoid.length + 1; + oid.components = calloc(oid.length, sizeof(*oid.components)); + if (oid.components == NULL) { + der_free_oid(&baseoid); + + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + memcpy(oid.components, baseoid.components, + baseoid.length * sizeof(*baseoid.components)); + + der_free_oid(&baseoid); + + oid.components[oid.length - 1] = ad_type; + + oid_flat.length = der_length_oid(&oid); + oid_flat.elements = malloc(oid_flat.length); + if (oid_flat.elements == NULL) { + free(oid.components); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + if (der_put_oid((unsigned char *)oid_flat.elements + oid_flat.length - 1, + oid_flat.length, &oid, &size) != 0) { + free(oid.components); + free(oid_flat.elements); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + if (oid_flat.length != size) + abort(); + + free(oid.components); + + /* FINALLY, we have the OID */ + + maj_stat = gss_inquire_sec_context_by_oid (minor_status, + context_handle, + &oid_flat, + &data_set); + + free(oid_flat.elements); + + if (maj_stat) + return maj_stat; + + if (data_set == GSS_C_NO_BUFFER_SET || data_set->count != 1) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + ad_data->value = malloc(data_set->elements[0].length); + if (ad_data->value == NULL) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + ad_data->length = data_set->elements[0].length; + memcpy(ad_data->value, data_set->elements[0].value, ad_data->length); + gss_release_buffer_set(minor_status, &data_set); + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +/* + * + */ + +static OM_uint32 +gsskrb5_extract_key(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + const gss_OID oid, + krb5_keyblock **keyblock) +{ + krb5_error_code ret; + gss_buffer_set_t data_set = GSS_C_NO_BUFFER_SET; + OM_uint32 major_status; + krb5_context context = NULL; + krb5_storage *sp = NULL; + + if (context_handle == GSS_C_NO_CONTEXT) { + ret = EINVAL; + return GSS_S_FAILURE; + } + + ret = krb5_init_context(&context); + if(ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + major_status = + gss_inquire_sec_context_by_oid (minor_status, + context_handle, + oid, + &data_set); + if (major_status) + return major_status; + + if (data_set == GSS_C_NO_BUFFER_SET || data_set->count != 1) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + sp = krb5_storage_from_mem(data_set->elements[0].value, + data_set->elements[0].length); + if (sp == NULL) { + ret = ENOMEM; + goto out; + } + + *keyblock = calloc(1, sizeof(**keyblock)); + if (keyblock == NULL) { + ret = ENOMEM; + goto out; + } + + ret = krb5_ret_keyblock(sp, *keyblock); + +out: + gss_release_buffer_set(minor_status, &data_set); + if (sp) + krb5_storage_free(sp); + if (ret && keyblock) { + krb5_free_keyblock(context, *keyblock); + *keyblock = NULL; + } + if (context) + krb5_free_context(context); + + *minor_status = ret; + if (ret) + return GSS_S_FAILURE; + + return GSS_S_COMPLETE; +} + +/* + * + */ + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_extract_service_keyblock(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + krb5_keyblock **keyblock) +{ + return gsskrb5_extract_key(minor_status, + context_handle, + GSS_KRB5_GET_SERVICE_KEYBLOCK_X, + keyblock); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_get_initiator_subkey(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + krb5_keyblock **keyblock) +{ + return gsskrb5_extract_key(minor_status, + context_handle, + GSS_KRB5_GET_INITIATOR_SUBKEY_X, + keyblock); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_get_subkey(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + krb5_keyblock **keyblock) +{ + return gsskrb5_extract_key(minor_status, + context_handle, + GSS_KRB5_GET_SUBKEY_X, + keyblock); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_default_realm(const char *realm) +{ + struct _gss_mech_switch *m; + gss_buffer_desc buffer; + OM_uint32 junk; + + _gss_load_mech(); + + buffer.value = rk_UNCONST(realm); + buffer.length = strlen(realm); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_set_sec_context_option == NULL) + continue; + m->gm_mech.gm_set_sec_context_option(&junk, NULL, + GSS_KRB5_SET_DEFAULT_REALM_X, &buffer); + } + + return (GSS_S_COMPLETE); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_krb5_get_tkt_flags(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + OM_uint32 *tkt_flags) +{ + + OM_uint32 major_status; + gss_buffer_set_t data_set = GSS_C_NO_BUFFER_SET; + + if (context_handle == GSS_C_NO_CONTEXT) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + major_status = + gss_inquire_sec_context_by_oid (minor_status, + context_handle, + GSS_KRB5_GET_TKT_FLAGS_X, + &data_set); + if (major_status) + return major_status; + + if (data_set == GSS_C_NO_BUFFER_SET || + data_set->count != 1 || + data_set->elements[0].length < 4) { + gss_release_buffer_set(minor_status, &data_set); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + { + const u_char *p = data_set->elements[0].value; + *tkt_flags = (p[0] << 0) | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); + } + + gss_release_buffer_set(minor_status, &data_set); + return GSS_S_COMPLETE; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_set_time_offset(int offset) +{ + struct _gss_mech_switch *m; + gss_buffer_desc buffer; + OM_uint32 junk; + int32_t o = offset; + + _gss_load_mech(); + + buffer.value = &o; + buffer.length = sizeof(o); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_set_sec_context_option == NULL) + continue; + m->gm_mech.gm_set_sec_context_option(&junk, NULL, + GSS_KRB5_SET_TIME_OFFSET_X, &buffer); + } + + return (GSS_S_COMPLETE); +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gsskrb5_get_time_offset(int *offset) +{ + struct _gss_mech_switch *m; + gss_buffer_desc buffer; + OM_uint32 maj_stat, junk; + int32_t o; + + _gss_load_mech(); + + buffer.value = &o; + buffer.length = sizeof(o); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (m->gm_mech.gm_set_sec_context_option == NULL) + continue; + maj_stat = m->gm_mech.gm_set_sec_context_option(&junk, NULL, + GSS_KRB5_GET_TIME_OFFSET_X, &buffer); + + if (maj_stat == GSS_S_COMPLETE) { + *offset = o; + return maj_stat; + } + } + + return (GSS_S_UNAVAILABLE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_mech_switch.c b/source4/heimdal/lib/gssapi/mech/gss_mech_switch.c new file mode 100644 index 0000000000..5b8d35c3dd --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_mech_switch.c @@ -0,0 +1,335 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_mech_switch.c,v 1.2 2006/02/04 09:40:21 dfr Exp $ + */ + +#include "mech_locl.h" +#include <heim_threads.h> +RCSID("$Id$"); + +#ifndef _PATH_GSS_MECH +#define _PATH_GSS_MECH "/etc/gss/mech" +#endif + +struct _gss_mech_switch_list _gss_mechs = { NULL } ; +gss_OID_set _gss_mech_oids; +static HEIMDAL_MUTEX _gss_mech_mutex = HEIMDAL_MUTEX_INITIALIZER; + +/* + * Convert a string containing an OID in 'dot' form + * (e.g. 1.2.840.113554.1.2.2) to a gss_OID. + */ +static int +_gss_string_to_oid(const char* s, gss_OID oid) +{ + int number_count, i, j; + size_t byte_count; + const char *p, *q; + char *res; + + oid->length = 0; + oid->elements = NULL; + + /* + * First figure out how many numbers in the oid, then + * calculate the compiled oid size. + */ + number_count = 0; + for (p = s; p; p = q) { + q = strchr(p, '.'); + if (q) q = q + 1; + number_count++; + } + + /* + * The first two numbers are in the first byte and each + * subsequent number is encoded in a variable byte sequence. + */ + if (number_count < 2) + return (EINVAL); + + /* + * We do this in two passes. The first pass, we just figure + * out the size. Second time around, we actually encode the + * number. + */ + res = 0; + for (i = 0; i < 2; i++) { + byte_count = 0; + for (p = s, j = 0; p; p = q, j++) { + unsigned int number = 0; + + /* + * Find the end of this number. + */ + q = strchr(p, '.'); + if (q) q = q + 1; + + /* + * Read the number of of the string. Don't + * bother with anything except base ten. + */ + while (*p && *p != '.') { + number = 10 * number + (*p - '0'); + p++; + } + + /* + * Encode the number. The first two numbers + * are packed into the first byte. Subsequent + * numbers are encoded in bytes seven bits at + * a time with the last byte having the high + * bit set. + */ + if (j == 0) { + if (res) + *res = number * 40; + } else if (j == 1) { + if (res) { + *res += number; + res++; + } + byte_count++; + } else if (j >= 2) { + /* + * The number is encoded in seven bit chunks. + */ + unsigned int t; + unsigned int bytes; + + bytes = 0; + for (t = number; t; t >>= 7) + bytes++; + if (bytes == 0) bytes = 1; + while (bytes) { + if (res) { + int bit = 7*(bytes-1); + + *res = (number >> bit) & 0x7f; + if (bytes != 1) + *res |= 0x80; + res++; + } + byte_count++; + bytes--; + } + } + } + if (!res) { + res = malloc(byte_count); + if (!res) + return (ENOMEM); + oid->length = byte_count; + oid->elements = res; + } + } + + return (0); +} + +#define SYM(name) \ +do { \ + m->gm_mech.gm_ ## name = dlsym(so, "gss_" #name); \ + if (!m->gm_mech.gm_ ## name) { \ + fprintf(stderr, "can't find symbol gss_" #name "\n"); \ + goto bad; \ + } \ +} while (0) + +#define OPTSYM(name) \ +do { \ + m->gm_mech.gm_ ## name = dlsym(so, "gss_" #name); \ +} while (0) + +/* + * + */ +static int +add_builtin(gssapi_mech_interface mech) +{ + struct _gss_mech_switch *m; + OM_uint32 minor_status; + + /* not registering any mech is ok */ + if (mech == NULL) + return 0; + + m = malloc(sizeof(*m)); + if (m == NULL) + return 1; + m->gm_so = NULL; + m->gm_mech = *mech; + m->gm_mech_oid = mech->gm_mech_oid; /* XXX */ + gss_add_oid_set_member(&minor_status, + &m->gm_mech.gm_mech_oid, &_gss_mech_oids); + + SLIST_INSERT_HEAD(&_gss_mechs, m, gm_link); + return 0; +} + +/* + * Load the mechanisms file (/etc/gss/mech). + */ +void +_gss_load_mech(void) +{ + OM_uint32 major_status, minor_status; + FILE *fp; + char buf[256]; + char *p; + char *name, *oid, *lib, *kobj; + struct _gss_mech_switch *m; + void *so; + + + HEIMDAL_MUTEX_lock(&_gss_mech_mutex); + + if (SLIST_FIRST(&_gss_mechs)) { + HEIMDAL_MUTEX_unlock(&_gss_mech_mutex); + return; + } + + major_status = gss_create_empty_oid_set(&minor_status, + &_gss_mech_oids); + if (major_status) { + HEIMDAL_MUTEX_unlock(&_gss_mech_mutex); + return; + } + + add_builtin(__gss_krb5_initialize()); + add_builtin(__gss_spnego_initialize()); + add_builtin(__gss_ntlm_initialize()); + +#ifdef HAVE_DLOPEN + fp = fopen(_PATH_GSS_MECH, "r"); + if (!fp) { + HEIMDAL_MUTEX_unlock(&_gss_mech_mutex); + return; + } + rk_cloexec_file(fp); + + while (fgets(buf, sizeof(buf), fp)) { + if (*buf == '#') + continue; + p = buf; + name = strsep(&p, "\t\n "); + if (p) while (isspace((unsigned char)*p)) p++; + oid = strsep(&p, "\t\n "); + if (p) while (isspace((unsigned char)*p)) p++; + lib = strsep(&p, "\t\n "); + if (p) while (isspace((unsigned char)*p)) p++; + kobj = strsep(&p, "\t\n "); + if (!name || !oid || !lib || !kobj) + continue; + +#ifndef RTLD_LOCAL +#define RTLD_LOCAL 0 +#endif + + so = dlopen(lib, RTLD_LAZY | RTLD_LOCAL); + if (!so) { +/* fprintf(stderr, "dlopen: %s\n", dlerror()); */ + continue; + } + + m = malloc(sizeof(*m)); + if (!m) + break; + m->gm_so = so; + if (_gss_string_to_oid(oid, &m->gm_mech.gm_mech_oid)) { + free(m); + continue; + } + + major_status = gss_add_oid_set_member(&minor_status, + &m->gm_mech.gm_mech_oid, &_gss_mech_oids); + if (major_status) { + free(m->gm_mech.gm_mech_oid.elements); + free(m); + continue; + } + + SYM(acquire_cred); + SYM(release_cred); + SYM(init_sec_context); + SYM(accept_sec_context); + SYM(process_context_token); + SYM(delete_sec_context); + SYM(context_time); + SYM(get_mic); + SYM(verify_mic); + SYM(wrap); + SYM(unwrap); + SYM(display_status); + SYM(indicate_mechs); + SYM(compare_name); + SYM(display_name); + SYM(import_name); + SYM(export_name); + SYM(release_name); + SYM(inquire_cred); + SYM(inquire_context); + SYM(wrap_size_limit); + SYM(add_cred); + SYM(inquire_cred_by_mech); + SYM(export_sec_context); + SYM(import_sec_context); + SYM(inquire_names_for_mech); + SYM(inquire_mechs_for_name); + SYM(canonicalize_name); + SYM(duplicate_name); + OPTSYM(inquire_cred_by_oid); + OPTSYM(inquire_sec_context_by_oid); + OPTSYM(set_sec_context_option); + OPTSYM(set_cred_option); + OPTSYM(pseudo_random); + + SLIST_INSERT_HEAD(&_gss_mechs, m, gm_link); + continue; + + bad: + free(m->gm_mech.gm_mech_oid.elements); + free(m); + dlclose(so); + continue; + } + fclose(fp); +#endif + HEIMDAL_MUTEX_unlock(&_gss_mech_mutex); +} + +gssapi_mech_interface +__gss_get_mechanism(gss_OID mech) +{ + struct _gss_mech_switch *m; + + _gss_load_mech(); + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + if (gss_oid_equal(&m->gm_mech.gm_mech_oid, mech)) + return &m->gm_mech; + } + return NULL; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_names.c b/source4/heimdal/lib/gssapi/mech/gss_names.c new file mode 100644 index 0000000000..a1b858d938 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_names.c @@ -0,0 +1,111 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_names.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 +_gss_find_mn(OM_uint32 *minor_status, struct _gss_name *name, gss_OID mech, + struct _gss_mechanism_name **output_mn) +{ + OM_uint32 major_status; + gssapi_mech_interface m; + struct _gss_mechanism_name *mn; + + *output_mn = NULL; + + SLIST_FOREACH(mn, &name->gn_mn, gmn_link) { + if (gss_oid_equal(mech, mn->gmn_mech_oid)) + break; + } + + if (!mn) { + /* + * If this name is canonical (i.e. there is only an + * MN but it is from a different mech), give up now. + */ + if (!name->gn_value.value) + return GSS_S_BAD_NAME; + + m = __gss_get_mechanism(mech); + if (!m) + return (GSS_S_BAD_MECH); + + mn = malloc(sizeof(struct _gss_mechanism_name)); + if (!mn) + return GSS_S_FAILURE; + + major_status = m->gm_import_name(minor_status, + &name->gn_value, + (name->gn_type.elements + ? &name->gn_type : GSS_C_NO_OID), + &mn->gmn_name); + if (major_status != GSS_S_COMPLETE) { + _gss_mg_error(m, major_status, *minor_status); + free(mn); + return major_status; + } + + mn->gmn_mech = m; + mn->gmn_mech_oid = &m->gm_mech_oid; + SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link); + } + *output_mn = mn; + return 0; +} + + +/* + * Make a name from an MN. + */ +struct _gss_name * +_gss_make_name(gssapi_mech_interface m, gss_name_t new_mn) +{ + struct _gss_name *name; + struct _gss_mechanism_name *mn; + + name = malloc(sizeof(struct _gss_name)); + if (!name) + return (0); + memset(name, 0, sizeof(struct _gss_name)); + + mn = malloc(sizeof(struct _gss_mechanism_name)); + if (!mn) { + free(name); + return (0); + } + + SLIST_INIT(&name->gn_mn); + mn->gmn_mech = m; + mn->gmn_mech_oid = &m->gm_mech_oid; + mn->gmn_name = new_mn; + SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link); + + return (name); +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_oid_equal.c b/source4/heimdal/lib/gssapi/mech/gss_oid_equal.c new file mode 100644 index 0000000000..0ec6a9b5cc --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_oid_equal.c @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +int GSSAPI_LIB_FUNCTION +gss_oid_equal(const gss_OID a, const gss_OID b) +{ + if (a == b) + return 1; + if (a == GSS_C_NO_OID || b == GSS_C_NO_OID || a->length != b->length) + return 0; + return memcmp(a->elements, b->elements, a->length) == 0; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_oid_to_str.c b/source4/heimdal/lib/gssapi/mech/gss_oid_to_str.c new file mode 100644 index 0000000000..69a723adb1 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_oid_to_str.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_oid_to_str(OM_uint32 *minor_status, gss_OID oid, gss_buffer_t oid_str) +{ + int ret; + size_t size; + heim_oid o; + char *p; + + _mg_buffer_zero(oid_str); + + if (oid == GSS_C_NULL_OID) + return GSS_S_FAILURE; + + ret = der_get_oid (oid->elements, oid->length, &o, &size); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + ret = der_print_heim_oid(&o, ' ', &p); + der_free_oid(&o); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + oid_str->value = p; + oid_str->length = strlen(p); + + *minor_status = 0; + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_process_context_token.c b/source4/heimdal/lib/gssapi/mech/gss_process_context_token.c new file mode 100644 index 0000000000..9dc3f5b904 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_process_context_token.c @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_process_context_token.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_process_context_token(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t token_buffer) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + + return (m->gm_process_context_token(minor_status, ctx->gc_ctx, + token_buffer)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_pseudo_random.c b/source4/heimdal/lib/gssapi/mech/gss_pseudo_random.c new file mode 100644 index 0000000000..5807ee9d9b --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_pseudo_random.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2007 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_pseudo_random(OM_uint32 *minor_status, + gss_ctx_id_t context, + int prf_key, + const gss_buffer_t prf_in, + ssize_t desired_output_len, + gss_buffer_t prf_out) +{ + struct _gss_context *ctx = (struct _gss_context *) context; + gssapi_mech_interface m = ctx->gc_mech; + OM_uint32 major_status; + + _mg_buffer_zero(prf_out); + *minor_status = 0; + + if (ctx == NULL) { + *minor_status = 0; + return GSS_S_NO_CONTEXT; + } + + if (m->gm_pseudo_random == NULL) + return GSS_S_UNAVAILABLE; + + major_status = (*m->gm_pseudo_random)(minor_status, ctx->gc_ctx, + prf_key, prf_in, desired_output_len, + prf_out); + if (major_status != GSS_S_COMPLETE) + _gss_mg_error(m, major_status, *minor_status); + + return major_status; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_release_buffer.c b/source4/heimdal/lib/gssapi/mech/gss_release_buffer.c new file mode 100644 index 0000000000..1af5289157 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_release_buffer.c @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_release_buffer.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_buffer(OM_uint32 *minor_status, + gss_buffer_t buffer) +{ + + *minor_status = 0; + if (buffer->value) + free(buffer->value); + _mg_buffer_zero(buffer); + + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_release_cred.c b/source4/heimdal/lib/gssapi/mech/gss_release_cred.c new file mode 100644 index 0000000000..40777fa2a1 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_release_cred.c @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_release_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle) +{ + struct _gss_cred *cred = (struct _gss_cred *) *cred_handle; + struct _gss_mechanism_cred *mc; + + if (*cred_handle == GSS_C_NO_CREDENTIAL) + return (GSS_S_COMPLETE); + + while (SLIST_FIRST(&cred->gc_mc)) { + mc = SLIST_FIRST(&cred->gc_mc); + SLIST_REMOVE_HEAD(&cred->gc_mc, gmc_link); + mc->gmc_mech->gm_release_cred(minor_status, &mc->gmc_cred); + free(mc); + } + free(cred); + + *minor_status = 0; + *cred_handle = GSS_C_NO_CREDENTIAL; + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_release_name.c b/source4/heimdal/lib/gssapi/mech/gss_release_name.c new file mode 100644 index 0000000000..ad07c60bda --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_release_name.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_release_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_name(OM_uint32 *minor_status, + gss_name_t *input_name) +{ + struct _gss_name *name = (struct _gss_name *) *input_name; + + *minor_status = 0; + if (name) { + if (name->gn_type.elements) + free(name->gn_type.elements); + while (SLIST_FIRST(&name->gn_mn)) { + struct _gss_mechanism_name *mn; + mn = SLIST_FIRST(&name->gn_mn); + SLIST_REMOVE_HEAD(&name->gn_mn, gmn_link); + mn->gmn_mech->gm_release_name(minor_status, + &mn->gmn_name); + free(mn); + } + gss_release_buffer(minor_status, &name->gn_value); + free(name); + *input_name = GSS_C_NO_NAME; + } + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_release_oid.c b/source4/heimdal/lib/gssapi/mech/gss_release_oid.c new file mode 100644 index 0000000000..dda8efb650 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_release_oid.c @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" + +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_oid(OM_uint32 *minor_status, gss_OID *oid) +{ + gss_OID o = *oid; + + *oid = GSS_C_NO_OID; + + if (minor_status != NULL) + *minor_status = 0; + + if (o == GSS_C_NO_OID) + return GSS_S_COMPLETE; + + if (o->elements != NULL) { + free(o->elements); + o->elements = NULL; + } + o->length = 0; + free(o); + + return GSS_S_COMPLETE; +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_release_oid_set.c b/source4/heimdal/lib/gssapi/mech/gss_release_oid_set.c new file mode 100644 index 0000000000..0ccb9e4dc6 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_release_oid_set.c @@ -0,0 +1,45 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_release_oid_set.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_oid_set(OM_uint32 *minor_status, + gss_OID_set *set) +{ + + *minor_status = 0; + if (set && *set) { + if ((*set)->elements) + free((*set)->elements); + free(*set); + *set = GSS_C_NO_OID_SET; + } + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_seal.c b/source4/heimdal/lib/gssapi/mech/gss_seal.c new file mode 100644 index 0000000000..f6636456ea --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_seal.c @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_seal.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_seal(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int conf_req_flag, + int qop_req, + gss_buffer_t input_message_buffer, + int *conf_state, + gss_buffer_t output_message_buffer) +{ + + return (gss_wrap(minor_status, + context_handle, conf_req_flag, qop_req, + input_message_buffer, conf_state, + output_message_buffer)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_set_cred_option.c b/source4/heimdal/lib/gssapi/mech/gss_set_cred_option.c new file mode 100644 index 0000000000..20eaa14d9e --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_set_cred_option.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_set_cred_option (OM_uint32 *minor_status, + gss_cred_id_t *cred_handle, + const gss_OID object, + const gss_buffer_t value) +{ + struct _gss_cred *cred = (struct _gss_cred *) *cred_handle; + OM_uint32 major_status = GSS_S_COMPLETE; + struct _gss_mechanism_cred *mc; + int one_ok = 0; + + *minor_status = 0; + + _gss_load_mech(); + + if (cred == NULL) { + struct _gss_mech_switch *m; + + cred = malloc(sizeof(*cred)); + if (cred == NULL) + return GSS_S_FAILURE; + + SLIST_INIT(&cred->gc_mc); + + SLIST_FOREACH(m, &_gss_mechs, gm_link) { + + if (m->gm_mech.gm_set_cred_option == NULL) + continue; + + mc = malloc(sizeof(*mc)); + if (mc == NULL) { + *cred_handle = (gss_cred_id_t)cred; + gss_release_cred(minor_status, cred_handle); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + mc->gmc_mech = &m->gm_mech; + mc->gmc_mech_oid = &m->gm_mech_oid; + mc->gmc_cred = GSS_C_NO_CREDENTIAL; + + major_status = m->gm_mech.gm_set_cred_option( + minor_status, &mc->gmc_cred, object, value); + + if (major_status) { + free(mc); + continue; + } + one_ok = 1; + SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link); + } + *cred_handle = (gss_cred_id_t)cred; + if (!one_ok) { + OM_uint32 junk; + gss_release_cred(&junk, cred_handle); + } + } else { + gssapi_mech_interface m; + + SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { + m = mc->gmc_mech; + + if (m == NULL) + return GSS_S_BAD_MECH; + + if (m->gm_set_cred_option == NULL) + continue; + + major_status = m->gm_set_cred_option(minor_status, + &mc->gmc_cred, object, value); + if (major_status == GSS_S_COMPLETE) + one_ok = 1; + else + _gss_mg_error(m, major_status, *minor_status); + + } + } + if (one_ok) { + *minor_status = 0; + return GSS_S_COMPLETE; + } + return major_status; +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_set_sec_context_option.c b/source4/heimdal/lib/gssapi/mech/gss_set_sec_context_option.c new file mode 100644 index 0000000000..735d59322e --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_set_sec_context_option.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_set_sec_context_option (OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + const gss_OID object, + const gss_buffer_t value) +{ + struct _gss_context *ctx; + OM_uint32 major_status; + gssapi_mech_interface m; + + *minor_status = 0; + + if (context_handle == NULL) + return GSS_S_NO_CONTEXT; + + ctx = (struct _gss_context *) *context_handle; + + if (ctx == NULL) + return GSS_S_NO_CONTEXT; + + m = ctx->gc_mech; + + if (m == NULL) + return GSS_S_BAD_MECH; + + if (m->gm_set_sec_context_option != NULL) { + major_status = m->gm_set_sec_context_option(minor_status, + &ctx->gc_ctx, object, value); + if (major_status != GSS_S_COMPLETE) + _gss_mg_error(m, major_status, *minor_status); + } else + major_status = GSS_S_BAD_MECH; + + return major_status; +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_sign.c b/source4/heimdal/lib/gssapi/mech/gss_sign.c new file mode 100644 index 0000000000..1d73641355 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_sign.c @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_sign.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_sign(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int qop_req, + gss_buffer_t message_buffer, + gss_buffer_t message_token) +{ + + return gss_get_mic(minor_status, + context_handle, qop_req, message_buffer, message_token); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_test_oid_set_member.c b/source4/heimdal/lib/gssapi/mech/gss_test_oid_set_member.c new file mode 100644 index 0000000000..ca1dca8fad --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_test_oid_set_member.c @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_test_oid_set_member.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_test_oid_set_member(OM_uint32 *minor_status, + const gss_OID member, + const gss_OID_set set, + int *present) +{ + int i; + + *present = 0; + for (i = 0; i < set->count; i++) + if (gss_oid_equal(member, &set->elements[i])) + *present = 1; + + *minor_status = 0; + return (GSS_S_COMPLETE); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_unseal.c b/source4/heimdal/lib/gssapi/mech/gss_unseal.c new file mode 100644 index 0000000000..539e65a01c --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_unseal.c @@ -0,0 +1,44 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_unseal.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_unseal(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int *conf_state, + int *qop_state) +{ + + return (gss_unwrap(minor_status, + context_handle, input_message_buffer, + output_message_buffer, conf_state, (gss_qop_t *)qop_state)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_unwrap.c b/source4/heimdal/lib/gssapi/mech/gss_unwrap.c new file mode 100644 index 0000000000..693bbe020b --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_unwrap.c @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_unwrap.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_unwrap(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int *conf_state, + gss_qop_t *qop_state) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + + return (m->gm_unwrap(minor_status, ctx->gc_ctx, + input_message_buffer, output_message_buffer, + conf_state, qop_state)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_utils.c b/source4/heimdal/lib/gssapi/mech/gss_utils.c new file mode 100644 index 0000000000..6e05acff03 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_utils.c @@ -0,0 +1,79 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_utils.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 +_gss_copy_oid(OM_uint32 *minor_status, + const gss_OID from_oid, gss_OID to_oid) +{ + size_t len = from_oid->length; + + *minor_status = 0; + to_oid->elements = malloc(len); + if (!to_oid->elements) { + to_oid->length = 0; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + to_oid->length = len; + memcpy(to_oid->elements, from_oid->elements, len); + return (GSS_S_COMPLETE); +} + +OM_uint32 +_gss_free_oid(OM_uint32 *minor_status, gss_OID oid) +{ + *minor_status = 0; + if (oid->elements) { + free(oid->elements); + oid->elements = NULL; + oid->length = 0; + } + return (GSS_S_COMPLETE); +} + +OM_uint32 +_gss_copy_buffer(OM_uint32 *minor_status, + const gss_buffer_t from_buf, gss_buffer_t to_buf) +{ + size_t len = from_buf->length; + + *minor_status = 0; + to_buf->value = malloc(len); + if (!to_buf->value) { + *minor_status = ENOMEM; + to_buf->length = 0; + return GSS_S_FAILURE; + } + to_buf->length = len; + memcpy(to_buf->value, from_buf->value, len); + return (GSS_S_COMPLETE); +} + diff --git a/source4/heimdal/lib/gssapi/mech/gss_verify.c b/source4/heimdal/lib/gssapi/mech/gss_verify.c new file mode 100644 index 0000000000..f287cb4816 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_verify.c @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_verify.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_verify(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + gss_buffer_t message_buffer, + gss_buffer_t token_buffer, + int *qop_state) +{ + + return (gss_verify_mic(minor_status, + context_handle, message_buffer, token_buffer, + (gss_qop_t *)qop_state)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_verify_mic.c b/source4/heimdal/lib/gssapi/mech/gss_verify_mic.c new file mode 100644 index 0000000000..1a411729c6 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_verify_mic.c @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_verify_mic.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_verify_mic(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t *qop_state) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + + if (qop_state) + *qop_state = 0; + if (ctx == NULL) { + *minor_status = 0; + return GSS_S_NO_CONTEXT; + } + + return (m->gm_verify_mic(minor_status, ctx->gc_ctx, + message_buffer, token_buffer, qop_state)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_wrap.c b/source4/heimdal/lib/gssapi/mech/gss_wrap.c new file mode 100644 index 0000000000..b3363d3f20 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_wrap.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_wrap.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_wrap(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int *conf_state, + gss_buffer_t output_message_buffer) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + + if (conf_state) + *conf_state = 0; + _mg_buffer_zero(output_message_buffer); + if (ctx == NULL) { + *minor_status = 0; + return GSS_S_NO_CONTEXT; + } + + return (m->gm_wrap(minor_status, ctx->gc_ctx, + conf_req_flag, qop_req, input_message_buffer, + conf_state, output_message_buffer)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gss_wrap_size_limit.c b/source4/heimdal/lib/gssapi/mech/gss_wrap_size_limit.c new file mode 100644 index 0000000000..15b86a9367 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_wrap_size_limit.c @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/gss_wrap_size_limit.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_wrap_size_limit(OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + OM_uint32 req_output_size, + OM_uint32 *max_input_size) +{ + struct _gss_context *ctx = (struct _gss_context *) context_handle; + gssapi_mech_interface m = ctx->gc_mech; + + *max_input_size = 0; + if (ctx == NULL) { + *minor_status = 0; + return GSS_S_NO_CONTEXT; + } + + return (m->gm_wrap_size_limit(minor_status, ctx->gc_ctx, + conf_req_flag, qop_req, req_output_size, max_input_size)); +} diff --git a/source4/heimdal/lib/gssapi/mech/gssapi.asn1 b/source4/heimdal/lib/gssapi/mech/gssapi.asn1 new file mode 100644 index 0000000000..1ba7b40637 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gssapi.asn1 @@ -0,0 +1,12 @@ +-- $Id$ + +GSS-API DEFINITIONS ::= BEGIN + +IMPORTS heim_any_set FROM heim; + +GSSAPIContextToken ::= [APPLICATION 0] IMPLICIT SEQUENCE { + thisMech OBJECT IDENTIFIER, + innerContextToken heim_any_set +} + +END
\ No newline at end of file diff --git a/source4/heimdal/lib/gssapi/mech/mech_locl.h b/source4/heimdal/lib/gssapi/mech/mech_locl.h new file mode 100644 index 0000000000..8887692e08 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/mech_locl.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#include <config.h> + +#include <krb5-types.h> + +#include <sys/types.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <dlfcn.h> +#include <errno.h> + +#include <gssapi_asn1.h> +#include <der.h> + +#include <roken.h> + +#include <gssapi.h> +#include <gssapi_mech.h> + +#include "mechqueue.h" + +#include "context.h" +#include "cred.h" +#include "mech_switch.h" +#include "name.h" +#include "utils.h" + +#define _mg_buffer_zero(buffer) \ + do { (buffer)->value = NULL; (buffer)->length = 0; } while(0) diff --git a/source4/heimdal/lib/gssapi/mech/mech_switch.h b/source4/heimdal/lib/gssapi/mech/mech_switch.h new file mode 100644 index 0000000000..e83a4c8a5a --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/mech_switch.h @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/mech_switch.h,v 1.1 2005/12/29 14:40:20 dfr Exp $ + * $Id$ + */ + +#include <gssapi_mech.h> + +struct _gss_mech_switch { + SLIST_ENTRY(_gss_mech_switch) gm_link; + gss_OID_desc gm_mech_oid; + void *gm_so; + gssapi_mech_interface_desc gm_mech; +}; +SLIST_HEAD(_gss_mech_switch_list, _gss_mech_switch); +extern struct _gss_mech_switch_list _gss_mechs; +extern gss_OID_set _gss_mech_oids; + +void _gss_load_mech(void); diff --git a/source4/heimdal/lib/gssapi/mech/mechqueue.h b/source4/heimdal/lib/gssapi/mech/mechqueue.h new file mode 100644 index 0000000000..8434b76c00 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/mechqueue.h @@ -0,0 +1,101 @@ +/* $NetBSD: queue.h,v 1.39 2004/04/18 14:25:34 lukem Exp $ */ + +/* + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)queue.h 8.5 (Berkeley) 8/20/94 + */ + +#ifndef _MECHQUEUE_H_ +#define _MECHQUEUE_H_ + +#ifndef SLIST_HEAD + +/* + * Singly-linked List definitions. + */ +#define SLIST_HEAD(name, type) \ +struct name { \ + struct type *slh_first; /* first element */ \ +} + +#define SLIST_HEAD_INITIALIZER(head) \ + { NULL } + +#define SLIST_ENTRY(type) \ +struct { \ + struct type *sle_next; /* next element */ \ +} + +/* + * Singly-linked List functions. + */ +#define SLIST_INIT(head) do { \ + (head)->slh_first = NULL; \ +} while (/*CONSTCOND*/0) + +#define SLIST_INSERT_AFTER(slistelm, elm, field) do { \ + (elm)->field.sle_next = (slistelm)->field.sle_next; \ + (slistelm)->field.sle_next = (elm); \ +} while (/*CONSTCOND*/0) + +#define SLIST_INSERT_HEAD(head, elm, field) do { \ + (elm)->field.sle_next = (head)->slh_first; \ + (head)->slh_first = (elm); \ +} while (/*CONSTCOND*/0) + +#define SLIST_REMOVE_HEAD(head, field) do { \ + (head)->slh_first = (head)->slh_first->field.sle_next; \ +} while (/*CONSTCOND*/0) + +#define SLIST_REMOVE(head, elm, type, field) do { \ + if ((head)->slh_first == (elm)) { \ + SLIST_REMOVE_HEAD((head), field); \ + } \ + else { \ + struct type *curelm = (head)->slh_first; \ + while(curelm->field.sle_next != (elm)) \ + curelm = curelm->field.sle_next; \ + curelm->field.sle_next = \ + curelm->field.sle_next->field.sle_next; \ + } \ +} while (/*CONSTCOND*/0) + +#define SLIST_FOREACH(var, head, field) \ + for((var) = (head)->slh_first; (var); (var) = (var)->field.sle_next) + +/* + * Singly-linked List access methods. + */ +#define SLIST_EMPTY(head) ((head)->slh_first == NULL) +#define SLIST_FIRST(head) ((head)->slh_first) +#define SLIST_NEXT(elm, field) ((elm)->field.sle_next) + +#endif /* SLIST_HEAD */ + +#endif /* !_MECHQUEUE_H_ */ diff --git a/source4/heimdal/lib/gssapi/mech/name.h b/source4/heimdal/lib/gssapi/mech/name.h new file mode 100644 index 0000000000..49b412dd73 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/name.h @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/name.h,v 1.1 2005/12/29 14:40:20 dfr Exp $ + * $Id$ + */ + +struct _gss_mechanism_name { + SLIST_ENTRY(_gss_mechanism_name) gmn_link; + gssapi_mech_interface gmn_mech; /* mechanism ops for MN */ + gss_OID gmn_mech_oid; /* mechanism oid for MN */ + gss_name_t gmn_name; /* underlying MN */ +}; +SLIST_HEAD(_gss_mechanism_name_list, _gss_mechanism_name); + +struct _gss_name { + gss_OID_desc gn_type; /* type of name */ + gss_buffer_desc gn_value; /* value (as imported) */ + struct _gss_mechanism_name_list gn_mn; /* list of MNs */ +}; + +OM_uint32 + _gss_find_mn(OM_uint32 *, struct _gss_name *, gss_OID, + struct _gss_mechanism_name **); +struct _gss_name * + _gss_make_name(gssapi_mech_interface m, gss_name_t new_mn); diff --git a/source4/heimdal/lib/gssapi/mech/utils.h b/source4/heimdal/lib/gssapi/mech/utils.h new file mode 100644 index 0000000000..7b27d38f3c --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/utils.h @@ -0,0 +1,33 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libgssapi/utils.h,v 1.1 2005/12/29 14:40:20 dfr Exp $ + * $Id$ + */ + +OM_uint32 _gss_free_oid(OM_uint32 *, gss_OID); +OM_uint32 _gss_copy_oid(OM_uint32 *, const gss_OID, gss_OID); +OM_uint32 _gss_copy_buffer(OM_uint32 *minor_status, + const gss_buffer_t from_buf, gss_buffer_t to_buf); diff --git a/source4/heimdal/lib/gssapi/spnego/accept_sec_context.c b/source4/heimdal/lib/gssapi/spnego/accept_sec_context.c new file mode 100644 index 0000000000..2afeaf080e --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/accept_sec_context.c @@ -0,0 +1,1013 @@ +/* + * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * Portions Copyright (c) 2004 PADL Software Pty Ltd. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "spnego/spnego_locl.h" + +RCSID("$Id$"); + +static OM_uint32 +send_reject (OM_uint32 *minor_status, + gss_buffer_t output_token) +{ + NegotiationToken nt; + size_t size; + + nt.element = choice_NegotiationToken_negTokenResp; + + ALLOC(nt.u.negTokenResp.negResult, 1); + if (nt.u.negTokenResp.negResult == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + *(nt.u.negTokenResp.negResult) = reject; + nt.u.negTokenResp.supportedMech = NULL; + nt.u.negTokenResp.responseToken = NULL; + nt.u.negTokenResp.mechListMIC = NULL; + + ASN1_MALLOC_ENCODE(NegotiationToken, + output_token->value, output_token->length, &nt, + &size, *minor_status); + free_NegotiationToken(&nt); + if (*minor_status != 0) + return GSS_S_FAILURE; + + return GSS_S_BAD_MECH; +} + +static OM_uint32 +acceptor_approved(gss_name_t target_name, gss_OID mech) +{ + gss_cred_id_t cred = GSS_C_NO_CREDENTIAL; + gss_OID_set oidset; + OM_uint32 junk, ret; + + if (target_name == GSS_C_NO_NAME) + return GSS_S_COMPLETE; + + gss_create_empty_oid_set(&junk, &oidset); + gss_add_oid_set_member(&junk, mech, &oidset); + + ret = gss_acquire_cred(&junk, target_name, GSS_C_INDEFINITE, oidset, + GSS_C_ACCEPT, &cred, NULL, NULL); + gss_release_oid_set(&junk, &oidset); + if (ret != GSS_S_COMPLETE) + return ret; + gss_release_cred(&junk, &cred); + + return GSS_S_COMPLETE; +} + +static OM_uint32 +send_supported_mechs (OM_uint32 *minor_status, + gss_buffer_t output_token) +{ + NegotiationTokenWin nt; + char hostname[MAXHOSTNAMELEN + 1], *p; + gss_buffer_desc name_buf; + gss_OID name_type; + gss_name_t target_princ; + gss_name_t canon_princ; + OM_uint32 minor; + size_t buf_len; + gss_buffer_desc data; + OM_uint32 ret; + + memset(&nt, 0, sizeof(nt)); + + nt.element = choice_NegotiationTokenWin_negTokenInit; + nt.u.negTokenInit.reqFlags = NULL; + nt.u.negTokenInit.mechToken = NULL; + nt.u.negTokenInit.negHints = NULL; + + ret = _gss_spnego_indicate_mechtypelist(minor_status, GSS_C_NO_NAME, + acceptor_approved, 1, NULL, + &nt.u.negTokenInit.mechTypes, NULL); + if (ret != GSS_S_COMPLETE) { + return ret; + } + + memset(&target_princ, 0, sizeof(target_princ)); + if (gethostname(hostname, sizeof(hostname) - 2) != 0) { + *minor_status = errno; + free_NegotiationTokenWin(&nt); + return GSS_S_FAILURE; + } + hostname[sizeof(hostname) - 1] = '\0'; + + /* Send the constructed SAM name for this host */ + for (p = hostname; *p != '\0' && *p != '.'; p++) { + *p = toupper((unsigned char)*p); + } + *p++ = '$'; + *p = '\0'; + + name_buf.length = strlen(hostname); + name_buf.value = hostname; + + ret = gss_import_name(minor_status, &name_buf, + GSS_C_NO_OID, + &target_princ); + if (ret != GSS_S_COMPLETE) { + free_NegotiationTokenWin(&nt); + return ret; + } + + name_buf.length = 0; + name_buf.value = NULL; + + /* Canonicalize the name using the preferred mechanism */ + ret = gss_canonicalize_name(minor_status, + target_princ, + GSS_C_NO_OID, + &canon_princ); + if (ret != GSS_S_COMPLETE) { + free_NegotiationTokenWin(&nt); + gss_release_name(&minor, &target_princ); + return ret; + } + + ret = gss_display_name(minor_status, canon_princ, + &name_buf, &name_type); + if (ret != GSS_S_COMPLETE) { + free_NegotiationTokenWin(&nt); + gss_release_name(&minor, &canon_princ); + gss_release_name(&minor, &target_princ); + return ret; + } + + gss_release_name(&minor, &canon_princ); + gss_release_name(&minor, &target_princ); + + ALLOC(nt.u.negTokenInit.negHints, 1); + if (nt.u.negTokenInit.negHints == NULL) { + *minor_status = ENOMEM; + gss_release_buffer(&minor, &name_buf); + free_NegotiationTokenWin(&nt); + return GSS_S_FAILURE; + } + + ALLOC(nt.u.negTokenInit.negHints->hintName, 1); + if (nt.u.negTokenInit.negHints->hintName == NULL) { + *minor_status = ENOMEM; + gss_release_buffer(&minor, &name_buf); + free_NegotiationTokenWin(&nt); + return GSS_S_FAILURE; + } + + *(nt.u.negTokenInit.negHints->hintName) = name_buf.value; + name_buf.value = NULL; + nt.u.negTokenInit.negHints->hintAddress = NULL; + + ASN1_MALLOC_ENCODE(NegotiationTokenWin, + data.value, data.length, &nt, &buf_len, ret); + free_NegotiationTokenWin(&nt); + if (ret) { + return ret; + } + if (data.length != buf_len) + abort(); + + ret = gss_encapsulate_token(&data, GSS_SPNEGO_MECHANISM, output_token); + + free (data.value); + + if (ret != GSS_S_COMPLETE) + return ret; + + *minor_status = 0; + + return GSS_S_CONTINUE_NEEDED; +} + +static OM_uint32 +send_accept (OM_uint32 *minor_status, + gssspnego_ctx context_handle, + gss_buffer_t mech_token, + int initial_response, + gss_buffer_t mech_buf, + gss_buffer_t output_token) +{ + NegotiationToken nt; + OM_uint32 ret; + gss_buffer_desc mech_mic_buf; + size_t size; + + memset(&nt, 0, sizeof(nt)); + + nt.element = choice_NegotiationToken_negTokenResp; + + ALLOC(nt.u.negTokenResp.negResult, 1); + if (nt.u.negTokenResp.negResult == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + if (context_handle->open) { + if (mech_token != GSS_C_NO_BUFFER + && mech_token->length != 0 + && mech_buf != GSS_C_NO_BUFFER) + *(nt.u.negTokenResp.negResult) = accept_incomplete; + else + *(nt.u.negTokenResp.negResult) = accept_completed; + } else { + if (initial_response && context_handle->require_mic) + *(nt.u.negTokenResp.negResult) = request_mic; + else + *(nt.u.negTokenResp.negResult) = accept_incomplete; + } + + if (initial_response) { + ALLOC(nt.u.negTokenResp.supportedMech, 1); + if (nt.u.negTokenResp.supportedMech == NULL) { + free_NegotiationToken(&nt); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + ret = der_get_oid(context_handle->preferred_mech_type->elements, + context_handle->preferred_mech_type->length, + nt.u.negTokenResp.supportedMech, + NULL); + if (ret) { + free_NegotiationToken(&nt); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + } else { + nt.u.negTokenResp.supportedMech = NULL; + } + + if (mech_token != GSS_C_NO_BUFFER && mech_token->length != 0) { + ALLOC(nt.u.negTokenResp.responseToken, 1); + if (nt.u.negTokenResp.responseToken == NULL) { + free_NegotiationToken(&nt); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + nt.u.negTokenResp.responseToken->length = mech_token->length; + nt.u.negTokenResp.responseToken->data = mech_token->value; + mech_token->length = 0; + mech_token->value = NULL; + } else { + nt.u.negTokenResp.responseToken = NULL; + } + + if (mech_buf != GSS_C_NO_BUFFER) { + ret = gss_get_mic(minor_status, + context_handle->negotiated_ctx_id, + 0, + mech_buf, + &mech_mic_buf); + if (ret == GSS_S_COMPLETE) { + ALLOC(nt.u.negTokenResp.mechListMIC, 1); + if (nt.u.negTokenResp.mechListMIC == NULL) { + gss_release_buffer(minor_status, &mech_mic_buf); + free_NegotiationToken(&nt); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + nt.u.negTokenResp.mechListMIC->length = mech_mic_buf.length; + nt.u.negTokenResp.mechListMIC->data = mech_mic_buf.value; + } else if (ret == GSS_S_UNAVAILABLE) { + nt.u.negTokenResp.mechListMIC = NULL; + } else { + free_NegotiationToken(&nt); + return ret; + } + + } else + nt.u.negTokenResp.mechListMIC = NULL; + + ASN1_MALLOC_ENCODE(NegotiationToken, + output_token->value, output_token->length, + &nt, &size, ret); + if (ret) { + free_NegotiationToken(&nt); + *minor_status = ret; + return GSS_S_FAILURE; + } + + /* + * The response should not be encapsulated, because + * it is a SubsequentContextToken (note though RFC 1964 + * specifies encapsulation for all _Kerberos_ tokens). + */ + + if (*(nt.u.negTokenResp.negResult) == accept_completed) + ret = GSS_S_COMPLETE; + else + ret = GSS_S_CONTINUE_NEEDED; + free_NegotiationToken(&nt); + return ret; +} + + +static OM_uint32 +verify_mechlist_mic + (OM_uint32 *minor_status, + gssspnego_ctx context_handle, + gss_buffer_t mech_buf, + heim_octet_string *mechListMIC + ) +{ + OM_uint32 ret; + gss_buffer_desc mic_buf; + + if (context_handle->verified_mic) { + /* This doesn't make sense, we've already verified it? */ + *minor_status = 0; + return GSS_S_DUPLICATE_TOKEN; + } + + if (mechListMIC == NULL) { + *minor_status = 0; + return GSS_S_DEFECTIVE_TOKEN; + } + + mic_buf.length = mechListMIC->length; + mic_buf.value = mechListMIC->data; + + ret = gss_verify_mic(minor_status, + context_handle->negotiated_ctx_id, + mech_buf, + &mic_buf, + NULL); + + if (ret != GSS_S_COMPLETE) + ret = GSS_S_DEFECTIVE_TOKEN; + + return ret; +} + +static OM_uint32 +select_mech(OM_uint32 *minor_status, MechType *mechType, int verify_p, + gss_OID *mech_p) +{ + char mechbuf[64]; + size_t mech_len; + gss_OID_desc oid; + gss_OID oidp; + gss_OID_set mechs; + int i; + OM_uint32 ret, junk; + + ret = der_put_oid ((unsigned char *)mechbuf + sizeof(mechbuf) - 1, + sizeof(mechbuf), + mechType, + &mech_len); + if (ret) { + return GSS_S_DEFECTIVE_TOKEN; + } + + oid.length = mech_len; + oid.elements = mechbuf + sizeof(mechbuf) - mech_len; + + if (gss_oid_equal(&oid, GSS_SPNEGO_MECHANISM)) { + return GSS_S_BAD_MECH; + } + + *minor_status = 0; + + /* Translate broken MS Kebreros OID */ + if (gss_oid_equal(&oid, &_gss_spnego_mskrb_mechanism_oid_desc)) + oidp = &_gss_spnego_krb5_mechanism_oid_desc; + else + oidp = &oid; + + + ret = gss_indicate_mechs(&junk, &mechs); + if (ret) + return (ret); + + for (i = 0; i < mechs->count; i++) + if (gss_oid_equal(&mechs->elements[i], oidp)) + break; + + if (i == mechs->count) { + gss_release_oid_set(&junk, &mechs); + return GSS_S_BAD_MECH; + } + gss_release_oid_set(&junk, &mechs); + + ret = gss_duplicate_oid(minor_status, + &oid, /* possibly this should be oidp */ + mech_p); + + if (verify_p) { + gss_name_t name = GSS_C_NO_NAME; + gss_buffer_desc namebuf; + char *str = NULL, *host, hostname[MAXHOSTNAMELEN]; + + host = getenv("GSSAPI_SPNEGO_NAME"); + if (host == NULL || issuid()) { + if (gethostname(hostname, sizeof(hostname)) != 0) { + *minor_status = errno; + return GSS_S_FAILURE; + } + asprintf(&str, "host@%s", hostname); + host = str; + } + + namebuf.length = strlen(host); + namebuf.value = host; + + ret = gss_import_name(minor_status, &namebuf, + GSS_C_NT_HOSTBASED_SERVICE, &name); + if (str) + free(str); + if (ret != GSS_S_COMPLETE) + return ret; + + ret = acceptor_approved(name, *mech_p); + gss_release_name(&junk, &name); + } + + return ret; +} + + +static OM_uint32 +acceptor_complete(OM_uint32 * minor_status, + gssspnego_ctx ctx, + int *get_mic, + gss_buffer_t mech_buf, + gss_buffer_t mech_input_token, + gss_buffer_t mech_output_token, + heim_octet_string *mic, + gss_buffer_t output_token) +{ + OM_uint32 ret; + int require_mic, verify_mic; + gss_buffer_desc buf; + + buf.length = 0; + buf.value = NULL; + + ret = _gss_spnego_require_mechlist_mic(minor_status, ctx, &require_mic); + if (ret) + return ret; + + ctx->require_mic = require_mic; + + if (mic != NULL) + require_mic = 1; + + if (ctx->open && require_mic) { + if (mech_input_token == GSS_C_NO_BUFFER) { /* Even/One */ + verify_mic = 1; + *get_mic = 0; + } else if (mech_output_token != GSS_C_NO_BUFFER && + mech_output_token->length == 0) { /* Odd */ + *get_mic = verify_mic = 1; + } else { /* Even/One */ + verify_mic = 0; + *get_mic = 1; + } + + if (verify_mic || get_mic) { + int eret; + size_t buf_len; + + ASN1_MALLOC_ENCODE(MechTypeList, + mech_buf->value, mech_buf->length, + &ctx->initiator_mech_types, &buf_len, eret); + if (eret) { + *minor_status = eret; + return GSS_S_FAILURE; + } + if (buf.length != buf_len) + abort(); + } + + if (verify_mic) { + ret = verify_mechlist_mic(minor_status, ctx, mech_buf, mic); + if (ret) { + if (get_mic) + send_reject (minor_status, output_token); + if (buf.value) + free(buf.value); + return ret; + } + ctx->verified_mic = 1; + } + if (buf.value) + free(buf.value); + + } else + *get_mic = 0; + + return GSS_S_COMPLETE; +} + + +static OM_uint32 +acceptor_start + (OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token_buffer, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t * src_name, + gss_OID * mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec, + gss_cred_id_t *delegated_cred_handle + ) +{ + OM_uint32 ret, junk; + NegotiationToken nt; + size_t nt_len; + NegTokenInit *ni; + int i; + gss_buffer_desc data; + gss_buffer_t mech_input_token = GSS_C_NO_BUFFER; + gss_buffer_desc mech_output_token; + gss_buffer_desc mech_buf; + gss_OID preferred_mech_type = GSS_C_NO_OID; + gssspnego_ctx ctx; + gssspnego_cred acceptor_cred = (gssspnego_cred)acceptor_cred_handle; + int get_mic = 0; + int first_ok = 0; + + mech_output_token.value = NULL; + mech_output_token.length = 0; + mech_buf.value = NULL; + + if (input_token_buffer->length == 0) + return send_supported_mechs (minor_status, output_token); + + ret = _gss_spnego_alloc_sec_context(minor_status, context_handle); + if (ret != GSS_S_COMPLETE) + return ret; + + ctx = (gssspnego_ctx)*context_handle; + + /* + * The GSS-API encapsulation is only present on the initial + * context token (negTokenInit). + */ + ret = gss_decapsulate_token (input_token_buffer, + GSS_SPNEGO_MECHANISM, + &data); + if (ret) + return ret; + + ret = decode_NegotiationToken(data.value, data.length, &nt, &nt_len); + gss_release_buffer(minor_status, &data); + if (ret) { + *minor_status = ret; + return GSS_S_DEFECTIVE_TOKEN; + } + if (nt.element != choice_NegotiationToken_negTokenInit) { + *minor_status = 0; + return GSS_S_DEFECTIVE_TOKEN; + } + ni = &nt.u.negTokenInit; + + if (ni->mechTypes.len < 1) { + free_NegotiationToken(&nt); + *minor_status = 0; + return GSS_S_DEFECTIVE_TOKEN; + } + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + ret = copy_MechTypeList(&ni->mechTypes, &ctx->initiator_mech_types); + if (ret) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + free_NegotiationToken(&nt); + *minor_status = ret; + return GSS_S_FAILURE; + } + + /* + * First we try the opportunistic token if we have support for it, + * don't try to verify we have credential for the token, + * gss_accept_sec_context() will (hopefully) tell us that. + * If that failes, + */ + + ret = select_mech(minor_status, + &ni->mechTypes.val[0], + 0, + &preferred_mech_type); + + if (ret == 0 && ni->mechToken != NULL) { + gss_cred_id_t mech_delegated_cred = GSS_C_NO_CREDENTIAL; + gss_cred_id_t mech_cred; + gss_buffer_desc ibuf; + + ibuf.length = ni->mechToken->length; + ibuf.value = ni->mechToken->data; + mech_input_token = &ibuf; + + if (acceptor_cred != NULL) + mech_cred = acceptor_cred->negotiated_cred_id; + else + mech_cred = GSS_C_NO_CREDENTIAL; + + if (ctx->mech_src_name != GSS_C_NO_NAME) + gss_release_name(&junk, &ctx->mech_src_name); + + ret = gss_accept_sec_context(minor_status, + &ctx->negotiated_ctx_id, + mech_cred, + mech_input_token, + input_chan_bindings, + &ctx->mech_src_name, + &ctx->negotiated_mech_type, + &mech_output_token, + &ctx->mech_flags, + &ctx->mech_time_rec, + &mech_delegated_cred); + + if (mech_delegated_cred && delegated_cred_handle) { + _gss_spnego_alloc_cred(&junk, + mech_delegated_cred, + delegated_cred_handle); + } else if (mech_delegated_cred != GSS_C_NO_CREDENTIAL) + gss_release_cred(&junk, &mech_delegated_cred); + + if (ret == GSS_S_COMPLETE || ret == GSS_S_CONTINUE_NEEDED) { + ctx->preferred_mech_type = preferred_mech_type; + ctx->negotiated_mech_type = preferred_mech_type; + if (ret == GSS_S_COMPLETE) + ctx->open = 1; + + ret = acceptor_complete(minor_status, + ctx, + &get_mic, + &mech_buf, + mech_input_token, + &mech_output_token, + ni->mechListMIC, + output_token); + if (ret != GSS_S_COMPLETE) + goto out; + + first_ok = 1; + } else { + gss_mg_collect_error(preferred_mech_type, ret, *minor_status); + } + } + + /* + * If opportunistic token failed, lets try the other mechs. + */ + + if (!first_ok && ni->mechToken != NULL) { + + preferred_mech_type = GSS_C_NO_OID; + + /* Call glue layer to find first mech we support */ + for (i = 1; i < ni->mechTypes.len; ++i) { + ret = select_mech(minor_status, + &ni->mechTypes.val[i], + 1, + &preferred_mech_type); + if (ret == 0) + break; + } + if (preferred_mech_type == GSS_C_NO_OID) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + free_NegotiationToken(&nt); + return ret; + } + + ctx->preferred_mech_type = preferred_mech_type; + ctx->negotiated_mech_type = preferred_mech_type; + } + + /* + * The initial token always have a response + */ + + ret = send_accept (minor_status, + ctx, + &mech_output_token, + 1, + get_mic ? &mech_buf : NULL, + output_token); + if (ret) + goto out; + +out: + if (mech_output_token.value != NULL) + gss_release_buffer(&junk, &mech_output_token); + if (mech_buf.value != NULL) { + free(mech_buf.value); + mech_buf.value = NULL; + } + free_NegotiationToken(&nt); + + + if (ret == GSS_S_COMPLETE) { + if (src_name != NULL && ctx->mech_src_name != NULL) { + spnego_name name; + + name = calloc(1, sizeof(*name)); + if (name) { + name->mech = ctx->mech_src_name; + ctx->mech_src_name = NULL; + *src_name = (gss_name_t)name; + } + } + } + + if (mech_type != NULL) + *mech_type = ctx->negotiated_mech_type; + if (ret_flags != NULL) + *ret_flags = ctx->mech_flags; + if (time_rec != NULL) + *time_rec = ctx->mech_time_rec; + + if (ret == GSS_S_COMPLETE || ret == GSS_S_CONTINUE_NEEDED) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; + } + + _gss_spnego_internal_delete_sec_context(&junk, context_handle, + GSS_C_NO_BUFFER); + + return ret; +} + + +static OM_uint32 +acceptor_continue + (OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token_buffer, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t * src_name, + gss_OID * mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec, + gss_cred_id_t *delegated_cred_handle + ) +{ + OM_uint32 ret, ret2, minor, junk; + NegotiationToken nt; + size_t nt_len; + NegTokenResp *na; + unsigned int negResult = accept_incomplete; + gss_buffer_t mech_input_token = GSS_C_NO_BUFFER; + gss_buffer_t mech_output_token = GSS_C_NO_BUFFER; + gss_buffer_desc mech_buf; + gssspnego_ctx ctx; + gssspnego_cred acceptor_cred = (gssspnego_cred)acceptor_cred_handle; + + mech_buf.value = NULL; + + ctx = (gssspnego_ctx)*context_handle; + + /* + * The GSS-API encapsulation is only present on the initial + * context token (negTokenInit). + */ + + ret = decode_NegotiationToken(input_token_buffer->value, + input_token_buffer->length, + &nt, &nt_len); + if (ret) { + *minor_status = ret; + return GSS_S_DEFECTIVE_TOKEN; + } + if (nt.element != choice_NegotiationToken_negTokenResp) { + *minor_status = 0; + return GSS_S_DEFECTIVE_TOKEN; + } + na = &nt.u.negTokenResp; + + if (na->negResult != NULL) { + negResult = *(na->negResult); + } + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + { + gss_buffer_desc ibuf, obuf; + int require_mic, get_mic = 0; + int require_response; + heim_octet_string *mic; + + if (na->responseToken != NULL) { + ibuf.length = na->responseToken->length; + ibuf.value = na->responseToken->data; + mech_input_token = &ibuf; + } else { + ibuf.value = NULL; + ibuf.length = 0; + } + + if (mech_input_token != GSS_C_NO_BUFFER) { + gss_cred_id_t mech_cred; + gss_cred_id_t mech_delegated_cred = GSS_C_NO_CREDENTIAL; + + if (acceptor_cred != NULL) + mech_cred = acceptor_cred->negotiated_cred_id; + else + mech_cred = GSS_C_NO_CREDENTIAL; + + if (ctx->mech_src_name != GSS_C_NO_NAME) + gss_release_name(&minor, &ctx->mech_src_name); + + ret = gss_accept_sec_context(&minor, + &ctx->negotiated_ctx_id, + mech_cred, + mech_input_token, + input_chan_bindings, + &ctx->mech_src_name, + &ctx->negotiated_mech_type, + &obuf, + &ctx->mech_flags, + &ctx->mech_time_rec, + &mech_delegated_cred); + + if (mech_delegated_cred && delegated_cred_handle) { + _gss_spnego_alloc_cred(&junk, + mech_delegated_cred, + delegated_cred_handle); + } else if (mech_delegated_cred != GSS_C_NO_CREDENTIAL) + gss_release_cred(&junk, &mech_delegated_cred); + + if (ret == GSS_S_COMPLETE || ret == GSS_S_CONTINUE_NEEDED) { + mech_output_token = &obuf; + } + if (ret != GSS_S_COMPLETE && ret != GSS_S_CONTINUE_NEEDED) { + free_NegotiationToken(&nt); + gss_mg_collect_error(ctx->negotiated_mech_type, ret, minor); + send_reject (minor_status, output_token); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; + } + if (ret == GSS_S_COMPLETE) + ctx->open = 1; + } else + ret = GSS_S_COMPLETE; + + ret2 = _gss_spnego_require_mechlist_mic(minor_status, + ctx, + &require_mic); + if (ret2) + goto out; + + ctx->require_mic = require_mic; + + mic = na->mechListMIC; + if (mic != NULL) + require_mic = 1; + + if (ret == GSS_S_COMPLETE) + ret = acceptor_complete(minor_status, + ctx, + &get_mic, + &mech_buf, + mech_input_token, + mech_output_token, + na->mechListMIC, + output_token); + + if (ctx->mech_flags & GSS_C_DCE_STYLE) + require_response = (negResult != accept_completed); + else + require_response = 0; + + /* + * Check whether we need to send a result: there should be only + * one accept_completed response sent in the entire negotiation + */ + if ((mech_output_token != GSS_C_NO_BUFFER && + mech_output_token->length != 0) + || (ctx->open && negResult == accept_incomplete) + || require_response + || get_mic) { + ret2 = send_accept (minor_status, + ctx, + mech_output_token, + 0, + get_mic ? &mech_buf : NULL, + output_token); + if (ret2) + goto out; + } + + out: + if (ret2 != GSS_S_COMPLETE) + ret = ret2; + if (mech_output_token != NULL) + gss_release_buffer(&minor, mech_output_token); + if (mech_buf.value != NULL) + free(mech_buf.value); + free_NegotiationToken(&nt); + } + + if (ret == GSS_S_COMPLETE) { + if (src_name != NULL && ctx->mech_src_name != NULL) { + spnego_name name; + + name = calloc(1, sizeof(*name)); + if (name) { + name->mech = ctx->mech_src_name; + ctx->mech_src_name = NULL; + *src_name = (gss_name_t)name; + } + } + } + + if (mech_type != NULL) + *mech_type = ctx->negotiated_mech_type; + if (ret_flags != NULL) + *ret_flags = ctx->mech_flags; + if (time_rec != NULL) + *time_rec = ctx->mech_time_rec; + + if (ret == GSS_S_COMPLETE || ret == GSS_S_CONTINUE_NEEDED) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; + } + + _gss_spnego_internal_delete_sec_context(&minor, context_handle, + GSS_C_NO_BUFFER); + + return ret; +} + +OM_uint32 +_gss_spnego_accept_sec_context + (OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token_buffer, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t * src_name, + gss_OID * mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec, + gss_cred_id_t *delegated_cred_handle + ) +{ + _gss_accept_sec_context_t *func; + + *minor_status = 0; + + output_token->length = 0; + output_token->value = NULL; + + if (src_name != NULL) + *src_name = GSS_C_NO_NAME; + if (mech_type != NULL) + *mech_type = GSS_C_NO_OID; + if (ret_flags != NULL) + *ret_flags = 0; + if (time_rec != NULL) + *time_rec = 0; + if (delegated_cred_handle != NULL) + *delegated_cred_handle = GSS_C_NO_CREDENTIAL; + + + if (*context_handle == GSS_C_NO_CONTEXT) + func = acceptor_start; + else + func = acceptor_continue; + + + return (*func)(minor_status, context_handle, acceptor_cred_handle, + input_token_buffer, input_chan_bindings, + src_name, mech_type, output_token, ret_flags, + time_rec, delegated_cred_handle); +} diff --git a/source4/heimdal/lib/gssapi/spnego/compat.c b/source4/heimdal/lib/gssapi/spnego/compat.c new file mode 100644 index 0000000000..67d9b202a7 --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/compat.c @@ -0,0 +1,319 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "spnego/spnego_locl.h" + +RCSID("$Id$"); + +/* + * Apparently Microsoft got the OID wrong, and used + * 1.2.840.48018.1.2.2 instead. We need both this and + * the correct Kerberos OID here in order to deal with + * this. Because this is manifest in SPNEGO only I'd + * prefer to deal with this here rather than inside the + * Kerberos mechanism. + */ +gss_OID_desc _gss_spnego_mskrb_mechanism_oid_desc = + {9, (void *)"\x2a\x86\x48\x82\xf7\x12\x01\x02\x02"}; + +gss_OID_desc _gss_spnego_krb5_mechanism_oid_desc = + {9, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x02"}; + +/* + * Allocate a SPNEGO context handle + */ +OM_uint32 _gss_spnego_alloc_sec_context (OM_uint32 * minor_status, + gss_ctx_id_t *context_handle) +{ + gssspnego_ctx ctx; + + ctx = calloc(1, sizeof(*ctx)); + if (ctx == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + ctx->initiator_mech_types.len = 0; + ctx->initiator_mech_types.val = NULL; + ctx->preferred_mech_type = GSS_C_NO_OID; + ctx->negotiated_mech_type = GSS_C_NO_OID; + ctx->negotiated_ctx_id = GSS_C_NO_CONTEXT; + + /* + * Cache these so we can return them before returning + * GSS_S_COMPLETE, even if the mechanism has itself + * completed earlier + */ + ctx->mech_flags = 0; + ctx->mech_time_rec = 0; + ctx->mech_src_name = GSS_C_NO_NAME; + + ctx->open = 0; + ctx->local = 0; + ctx->require_mic = 0; + ctx->verified_mic = 0; + + HEIMDAL_MUTEX_init(&ctx->ctx_id_mutex); + + *context_handle = (gss_ctx_id_t)ctx; + + return GSS_S_COMPLETE; +} + +/* + * Free a SPNEGO context handle. The caller must have acquired + * the lock before this is called. + */ +OM_uint32 _gss_spnego_internal_delete_sec_context + (OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + gss_buffer_t output_token + ) +{ + gssspnego_ctx ctx; + OM_uint32 ret, minor; + + *minor_status = 0; + + if (context_handle == NULL) { + return GSS_S_NO_CONTEXT; + } + + if (output_token != GSS_C_NO_BUFFER) { + output_token->length = 0; + output_token->value = NULL; + } + + ctx = (gssspnego_ctx)*context_handle; + *context_handle = GSS_C_NO_CONTEXT; + + if (ctx == NULL) { + return GSS_S_NO_CONTEXT; + } + + if (ctx->initiator_mech_types.val != NULL) + free_MechTypeList(&ctx->initiator_mech_types); + + gss_release_oid(&minor, &ctx->preferred_mech_type); + ctx->negotiated_mech_type = GSS_C_NO_OID; + + gss_release_name(&minor, &ctx->target_name); + gss_release_name(&minor, &ctx->mech_src_name); + + if (ctx->negotiated_ctx_id != GSS_C_NO_CONTEXT) { + ret = gss_delete_sec_context(minor_status, + &ctx->negotiated_ctx_id, + output_token); + ctx->negotiated_ctx_id = GSS_C_NO_CONTEXT; + } else { + ret = GSS_S_COMPLETE; + } + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex); + + free(ctx); + *context_handle = NULL; + + return ret; +} + +/* + * For compatability with the Windows SPNEGO implementation, the + * default is to ignore the mechListMIC unless CFX is used and + * a non-preferred mechanism was negotiated + */ + +OM_uint32 +_gss_spnego_require_mechlist_mic(OM_uint32 *minor_status, + gssspnego_ctx ctx, + int *require_mic) +{ + gss_buffer_set_t buffer_set = GSS_C_NO_BUFFER_SET; + OM_uint32 minor; + + *minor_status = 0; + *require_mic = 0; + + if (ctx == NULL) { + return GSS_S_COMPLETE; + } + + if (ctx->require_mic) { + /* Acceptor requested it: mandatory to honour */ + *require_mic = 1; + return GSS_S_COMPLETE; + } + + /* + * Check whether peer indicated implicit support for updated SPNEGO + * (eg. in the Kerberos case by using CFX) + */ + if (gss_inquire_sec_context_by_oid(&minor, ctx->negotiated_ctx_id, + GSS_C_PEER_HAS_UPDATED_SPNEGO, + &buffer_set) == GSS_S_COMPLETE) { + *require_mic = 1; + gss_release_buffer_set(&minor, &buffer_set); + } + + /* Safe-to-omit MIC rules follow */ + if (*require_mic) { + if (gss_oid_equal(ctx->negotiated_mech_type, ctx->preferred_mech_type)) { + *require_mic = 0; + } else if (gss_oid_equal(ctx->negotiated_mech_type, &_gss_spnego_krb5_mechanism_oid_desc) && + gss_oid_equal(ctx->preferred_mech_type, &_gss_spnego_mskrb_mechanism_oid_desc)) { + *require_mic = 0; + } + } + + return GSS_S_COMPLETE; +} + +static int +add_mech_type(gss_OID mech_type, + int includeMSCompatOID, + MechTypeList *mechtypelist) +{ + MechType mech; + int ret; + + if (gss_oid_equal(mech_type, GSS_SPNEGO_MECHANISM)) + return 0; + + if (includeMSCompatOID && + gss_oid_equal(mech_type, &_gss_spnego_krb5_mechanism_oid_desc)) { + ret = der_get_oid(_gss_spnego_mskrb_mechanism_oid_desc.elements, + _gss_spnego_mskrb_mechanism_oid_desc.length, + &mech, + NULL); + if (ret) + return ret; + ret = add_MechTypeList(mechtypelist, &mech); + free_MechType(&mech); + if (ret) + return ret; + } + ret = der_get_oid(mech_type->elements, mech_type->length, &mech, NULL); + if (ret) + return ret; + ret = add_MechTypeList(mechtypelist, &mech); + free_MechType(&mech); + return ret; +} + + +OM_uint32 +_gss_spnego_indicate_mechtypelist (OM_uint32 *minor_status, + gss_name_t target_name, + OM_uint32 (*func)(gss_name_t, gss_OID), + int includeMSCompatOID, + const gssspnego_cred cred_handle, + MechTypeList *mechtypelist, + gss_OID *preferred_mech) +{ + gss_OID_set supported_mechs = GSS_C_NO_OID_SET; + gss_OID first_mech = GSS_C_NO_OID; + OM_uint32 ret; + int i; + + mechtypelist->len = 0; + mechtypelist->val = NULL; + + if (cred_handle != NULL) { + ret = gss_inquire_cred(minor_status, + cred_handle->negotiated_cred_id, + NULL, + NULL, + NULL, + &supported_mechs); + } else { + ret = gss_indicate_mechs(minor_status, &supported_mechs); + } + + if (ret != GSS_S_COMPLETE) { + return ret; + } + + if (supported_mechs->count == 0) { + *minor_status = ENOENT; + gss_release_oid_set(minor_status, &supported_mechs); + return GSS_S_FAILURE; + } + + ret = (*func)(target_name, GSS_KRB5_MECHANISM); + if (ret == GSS_S_COMPLETE) { + ret = add_mech_type(GSS_KRB5_MECHANISM, + includeMSCompatOID, + mechtypelist); + if (!GSS_ERROR(ret)) + first_mech = GSS_KRB5_MECHANISM; + } + ret = GSS_S_COMPLETE; + + for (i = 0; i < supported_mechs->count; i++) { + OM_uint32 subret; + if (gss_oid_equal(&supported_mechs->elements[i], GSS_SPNEGO_MECHANISM)) + continue; + if (gss_oid_equal(&supported_mechs->elements[i], GSS_KRB5_MECHANISM)) + continue; + + subret = (*func)(target_name, &supported_mechs->elements[i]); + if (subret != GSS_S_COMPLETE) + continue; + + ret = add_mech_type(&supported_mechs->elements[i], + includeMSCompatOID, + mechtypelist); + if (ret != 0) { + *minor_status = ret; + ret = GSS_S_FAILURE; + break; + } + if (first_mech == GSS_C_NO_OID) + first_mech = &supported_mechs->elements[i]; + } + + if (mechtypelist->len == 0) { + gss_release_oid_set(minor_status, &supported_mechs); + *minor_status = 0; + return GSS_S_BAD_MECH; + } + + if (preferred_mech != NULL) { + ret = gss_duplicate_oid(minor_status, first_mech, preferred_mech); + if (ret != GSS_S_COMPLETE) + free_MechTypeList(mechtypelist); + } + gss_release_oid_set(minor_status, &supported_mechs); + + return ret; +} diff --git a/source4/heimdal/lib/gssapi/spnego/context_stubs.c b/source4/heimdal/lib/gssapi/spnego/context_stubs.c new file mode 100644 index 0000000000..60c53058b8 --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/context_stubs.c @@ -0,0 +1,949 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "spnego/spnego_locl.h" + +RCSID("$Id$"); + +static OM_uint32 +spnego_supported_mechs(OM_uint32 *minor_status, gss_OID_set *mechs) +{ + OM_uint32 ret, junk; + gss_OID_set m; + int i; + + ret = gss_indicate_mechs(minor_status, &m); + if (ret != GSS_S_COMPLETE) + return ret; + + ret = gss_create_empty_oid_set(minor_status, mechs); + if (ret != GSS_S_COMPLETE) { + gss_release_oid_set(&junk, &m); + return ret; + } + + for (i = 0; i < m->count; i++) { + if (gss_oid_equal(&m->elements[i], GSS_SPNEGO_MECHANISM)) + continue; + + ret = gss_add_oid_set_member(minor_status, &m->elements[i], mechs); + if (ret) { + gss_release_oid_set(&junk, &m); + gss_release_oid_set(&junk, mechs); + return ret; + } + } + return ret; +} + + + +OM_uint32 _gss_spnego_process_context_token + (OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t token_buffer + ) +{ + gss_ctx_id_t context ; + gssspnego_ctx ctx; + OM_uint32 ret; + + if (context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + context = context_handle; + ctx = (gssspnego_ctx)context_handle; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + ret = gss_process_context_token(minor_status, + ctx->negotiated_ctx_id, + token_buffer); + if (ret != GSS_S_COMPLETE) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; + } + + ctx->negotiated_ctx_id = GSS_C_NO_CONTEXT; + + return _gss_spnego_internal_delete_sec_context(minor_status, + &context, + GSS_C_NO_BUFFER); +} + +OM_uint32 _gss_spnego_delete_sec_context + (OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + gss_buffer_t output_token + ) +{ + gssspnego_ctx ctx; + + if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + ctx = (gssspnego_ctx)*context_handle; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + return _gss_spnego_internal_delete_sec_context(minor_status, + context_handle, + output_token); +} + +OM_uint32 _gss_spnego_context_time + (OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + OM_uint32 *time_rec + ) +{ + gssspnego_ctx ctx; + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_context_time(minor_status, + ctx->negotiated_ctx_id, + time_rec); +} + +OM_uint32 _gss_spnego_get_mic + (OM_uint32 *minor_status, + const gss_ctx_id_t context_handle, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_get_mic(minor_status, ctx->negotiated_ctx_id, + qop_req, message_buffer, message_token); +} + +OM_uint32 _gss_spnego_verify_mic + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t * qop_state + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_verify_mic(minor_status, + ctx->negotiated_ctx_id, + message_buffer, + token_buffer, + qop_state); +} + +OM_uint32 _gss_spnego_wrap + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_message_buffer + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_wrap(minor_status, + ctx->negotiated_ctx_id, + conf_req_flag, + qop_req, + input_message_buffer, + conf_state, + output_message_buffer); +} + +OM_uint32 _gss_spnego_unwrap + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int * conf_state, + gss_qop_t * qop_state + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_unwrap(minor_status, + ctx->negotiated_ctx_id, + input_message_buffer, + output_message_buffer, + conf_state, + qop_state); +} + +OM_uint32 _gss_spnego_compare_name + (OM_uint32 *minor_status, + const gss_name_t name1, + const gss_name_t name2, + int * name_equal + ) +{ + spnego_name n1 = (spnego_name)name1; + spnego_name n2 = (spnego_name)name2; + + *name_equal = 0; + + if (!gss_oid_equal(&n1->type, &n2->type)) + return GSS_S_COMPLETE; + if (n1->value.length != n2->value.length) + return GSS_S_COMPLETE; + if (memcmp(n1->value.value, n2->value.value, n2->value.length) != 0) + return GSS_S_COMPLETE; + + *name_equal = 1; + + return GSS_S_COMPLETE; +} + +OM_uint32 _gss_spnego_display_name + (OM_uint32 * minor_status, + const gss_name_t input_name, + gss_buffer_t output_name_buffer, + gss_OID * output_name_type + ) +{ + spnego_name name = (spnego_name)input_name; + + *minor_status = 0; + + if (name == NULL || name->mech == GSS_C_NO_NAME) + return GSS_S_FAILURE; + + return gss_display_name(minor_status, name->mech, + output_name_buffer, output_name_type); +} + +OM_uint32 _gss_spnego_import_name + (OM_uint32 * minor_status, + const gss_buffer_t name_buffer, + const gss_OID name_type, + gss_name_t * output_name + ) +{ + spnego_name name; + OM_uint32 maj_stat; + + *minor_status = 0; + + name = calloc(1, sizeof(*name)); + if (name == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + maj_stat = _gss_copy_oid(minor_status, name_type, &name->type); + if (maj_stat) { + free(name); + return GSS_S_FAILURE; + } + + maj_stat = _gss_copy_buffer(minor_status, name_buffer, &name->value); + if (maj_stat) { + gss_name_t rname = (gss_name_t)name; + _gss_spnego_release_name(minor_status, &rname); + return GSS_S_FAILURE; + } + name->mech = GSS_C_NO_NAME; + *output_name = (gss_name_t)name; + + return GSS_S_COMPLETE; +} + +OM_uint32 _gss_spnego_export_name + (OM_uint32 * minor_status, + const gss_name_t input_name, + gss_buffer_t exported_name + ) +{ + spnego_name name; + *minor_status = 0; + + if (input_name == GSS_C_NO_NAME) + return GSS_S_BAD_NAME; + + name = (spnego_name)input_name; + if (name->mech == GSS_C_NO_NAME) + return GSS_S_BAD_NAME; + + return gss_export_name(minor_status, name->mech, exported_name); +} + +OM_uint32 _gss_spnego_release_name + (OM_uint32 * minor_status, + gss_name_t * input_name + ) +{ + *minor_status = 0; + + if (*input_name != GSS_C_NO_NAME) { + OM_uint32 junk; + spnego_name name = (spnego_name)*input_name; + _gss_free_oid(&junk, &name->type); + gss_release_buffer(&junk, &name->value); + if (name->mech != GSS_C_NO_NAME) + gss_release_name(&junk, &name->mech); + free(name); + + *input_name = GSS_C_NO_NAME; + } + return GSS_S_COMPLETE; +} + +OM_uint32 _gss_spnego_inquire_context ( + OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + gss_name_t * src_name, + gss_name_t * targ_name, + OM_uint32 * lifetime_rec, + gss_OID * mech_type, + OM_uint32 * ctx_flags, + int * locally_initiated, + int * open_context + ) +{ + gssspnego_ctx ctx; + OM_uint32 maj_stat, junk; + gss_name_t src_mn, targ_mn; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + maj_stat = gss_inquire_context(minor_status, + ctx->negotiated_ctx_id, + &src_mn, + &targ_mn, + lifetime_rec, + mech_type, + ctx_flags, + locally_initiated, + open_context); + if (maj_stat != GSS_S_COMPLETE) + return maj_stat; + + if (src_name) { + spnego_name name = calloc(1, sizeof(*name)); + if (name == NULL) + goto enomem; + name->mech = src_mn; + *src_name = (gss_name_t)name; + } else + gss_release_name(&junk, &src_mn); + + if (targ_name) { + spnego_name name = calloc(1, sizeof(*name)); + if (name == NULL) { + gss_release_name(minor_status, src_name); + goto enomem; + } + name->mech = targ_mn; + *targ_name = (gss_name_t)name; + } else + gss_release_name(&junk, &targ_mn); + + return GSS_S_COMPLETE; + +enomem: + gss_release_name(&junk, &targ_mn); + gss_release_name(&junk, &src_mn); + *minor_status = ENOMEM; + return GSS_S_FAILURE; +} + +OM_uint32 _gss_spnego_wrap_size_limit ( + OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + OM_uint32 req_output_size, + OM_uint32 * max_input_size + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_wrap_size_limit(minor_status, + ctx->negotiated_ctx_id, + conf_req_flag, + qop_req, + req_output_size, + max_input_size); +} + +OM_uint32 _gss_spnego_export_sec_context ( + OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + gss_buffer_t interprocess_token + ) +{ + gssspnego_ctx ctx; + OM_uint32 ret; + + *minor_status = 0; + + if (context_handle == NULL) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)*context_handle; + + if (ctx == NULL) + return GSS_S_NO_CONTEXT; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_NO_CONTEXT; + } + + ret = gss_export_sec_context(minor_status, + &ctx->negotiated_ctx_id, + interprocess_token); + if (ret == GSS_S_COMPLETE) { + ret = _gss_spnego_internal_delete_sec_context(minor_status, + context_handle, + GSS_C_NO_BUFFER); + if (ret == GSS_S_COMPLETE) + return GSS_S_COMPLETE; + } + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + return ret; +} + +OM_uint32 _gss_spnego_import_sec_context ( + OM_uint32 * minor_status, + const gss_buffer_t interprocess_token, + gss_ctx_id_t *context_handle + ) +{ + OM_uint32 ret, minor; + gss_ctx_id_t context; + gssspnego_ctx ctx; + + ret = _gss_spnego_alloc_sec_context(minor_status, &context); + if (ret != GSS_S_COMPLETE) { + return ret; + } + ctx = (gssspnego_ctx)context; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + ret = gss_import_sec_context(minor_status, + interprocess_token, + &ctx->negotiated_ctx_id); + if (ret != GSS_S_COMPLETE) { + _gss_spnego_internal_delete_sec_context(&minor, context_handle, GSS_C_NO_BUFFER); + return ret; + } + + ctx->open = 1; + /* don't bother filling in the rest of the fields */ + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + *context_handle = (gss_ctx_id_t)ctx; + + return GSS_S_COMPLETE; +} + +OM_uint32 _gss_spnego_inquire_names_for_mech ( + OM_uint32 * minor_status, + const gss_OID mechanism, + gss_OID_set * name_types + ) +{ + gss_OID_set mechs, names, n; + OM_uint32 ret, junk; + int i, j; + + *name_types = NULL; + + ret = spnego_supported_mechs(minor_status, &mechs); + if (ret != GSS_S_COMPLETE) + return ret; + + ret = gss_create_empty_oid_set(minor_status, &names); + if (ret != GSS_S_COMPLETE) + goto out; + + for (i = 0; i < mechs->count; i++) { + ret = gss_inquire_names_for_mech(minor_status, + &mechs->elements[i], + &n); + if (ret) + continue; + + for (j = 0; j < n->count; j++) + gss_add_oid_set_member(minor_status, + &n->elements[j], + &names); + gss_release_oid_set(&junk, &n); + } + + ret = GSS_S_COMPLETE; + *name_types = names; +out: + + gss_release_oid_set(&junk, &mechs); + + return GSS_S_COMPLETE; +} + +OM_uint32 _gss_spnego_inquire_mechs_for_name ( + OM_uint32 * minor_status, + const gss_name_t input_name, + gss_OID_set * mech_types + ) +{ + OM_uint32 ret, junk; + + ret = gss_create_empty_oid_set(minor_status, mech_types); + if (ret) + return ret; + + ret = gss_add_oid_set_member(minor_status, + GSS_SPNEGO_MECHANISM, + mech_types); + if (ret) + gss_release_oid_set(&junk, mech_types); + + return ret; +} + +OM_uint32 _gss_spnego_canonicalize_name ( + OM_uint32 * minor_status, + const gss_name_t input_name, + const gss_OID mech_type, + gss_name_t * output_name + ) +{ + /* XXX */ + return gss_duplicate_name(minor_status, input_name, output_name); +} + +OM_uint32 _gss_spnego_duplicate_name ( + OM_uint32 * minor_status, + const gss_name_t src_name, + gss_name_t * dest_name + ) +{ + return gss_duplicate_name(minor_status, src_name, dest_name); +} + +OM_uint32 _gss_spnego_sign + (OM_uint32 * minor_status, + gss_ctx_id_t context_handle, + int qop_req, + gss_buffer_t message_buffer, + gss_buffer_t message_token + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_sign(minor_status, + ctx->negotiated_ctx_id, + qop_req, + message_buffer, + message_token); +} + +OM_uint32 _gss_spnego_verify + (OM_uint32 * minor_status, + gss_ctx_id_t context_handle, + gss_buffer_t message_buffer, + gss_buffer_t token_buffer, + int * qop_state + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_verify(minor_status, + ctx->negotiated_ctx_id, + message_buffer, + token_buffer, + qop_state); +} + +OM_uint32 _gss_spnego_seal + (OM_uint32 * minor_status, + gss_ctx_id_t context_handle, + int conf_req_flag, + int qop_req, + gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_message_buffer + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_seal(minor_status, + ctx->negotiated_ctx_id, + conf_req_flag, + qop_req, + input_message_buffer, + conf_state, + output_message_buffer); +} + +OM_uint32 _gss_spnego_unseal + (OM_uint32 * minor_status, + gss_ctx_id_t context_handle, + gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int * conf_state, + int * qop_state + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_unseal(minor_status, + ctx->negotiated_ctx_id, + input_message_buffer, + output_message_buffer, + conf_state, + qop_state); +} + +#if 0 +OM_uint32 _gss_spnego_unwrap_ex + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + const gss_buffer_t token_header_buffer, + const gss_buffer_t associated_data_buffer, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int * conf_state, + gss_qop_t * qop_state) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_unwrap_ex(minor_status, + ctx->negotiated_ctx_id, + token_header_buffer, + associated_data_buffer, + input_message_buffer, + output_message_buffer, + conf_state, + qop_state); +} + +OM_uint32 _gss_spnego_wrap_ex + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t associated_data_buffer, + const gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_token_buffer, + gss_buffer_t output_message_buffer + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + if ((ctx->mech_flags & GSS_C_DCE_STYLE) == 0 && + associated_data_buffer->length != input_message_buffer->length) { + *minor_status = EINVAL; + return GSS_S_BAD_QOP; + } + + return gss_wrap_ex(minor_status, + ctx->negotiated_ctx_id, + conf_req_flag, + qop_req, + associated_data_buffer, + input_message_buffer, + conf_state, + output_token_buffer, + output_message_buffer); +} + +OM_uint32 _gss_spnego_complete_auth_token + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + gss_buffer_t input_message_buffer) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_complete_auth_token(minor_status, + ctx->negotiated_ctx_id, + input_message_buffer); +} +#endif + +OM_uint32 _gss_spnego_inquire_sec_context_by_oid + (OM_uint32 * minor_status, + const gss_ctx_id_t context_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_inquire_sec_context_by_oid(minor_status, + ctx->negotiated_ctx_id, + desired_object, + data_set); +} + +OM_uint32 _gss_spnego_set_sec_context_option + (OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + const gss_OID desired_object, + const gss_buffer_t value) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)*context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_set_sec_context_option(minor_status, + &ctx->negotiated_ctx_id, + desired_object, + value); +} + + +OM_uint32 +_gss_spnego_pseudo_random(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int prf_key, + const gss_buffer_t prf_in, + ssize_t desired_output_len, + gss_buffer_t prf_out) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + return gss_pseudo_random(minor_status, + ctx->negotiated_ctx_id, + prf_key, + prf_in, + desired_output_len, + prf_out); +} diff --git a/source4/heimdal/lib/gssapi/spnego/cred_stubs.c b/source4/heimdal/lib/gssapi/spnego/cred_stubs.c new file mode 100644 index 0000000000..836b63f437 --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/cred_stubs.c @@ -0,0 +1,356 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "spnego/spnego_locl.h" + +RCSID("$Id$"); + +OM_uint32 +_gss_spnego_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle) +{ + gssspnego_cred cred; + OM_uint32 ret; + + *minor_status = 0; + + if (*cred_handle == GSS_C_NO_CREDENTIAL) { + return GSS_S_COMPLETE; + } + cred = (gssspnego_cred)*cred_handle; + + ret = gss_release_cred(minor_status, &cred->negotiated_cred_id); + + free(cred); + *cred_handle = GSS_C_NO_CREDENTIAL; + + return ret; +} + +OM_uint32 +_gss_spnego_alloc_cred(OM_uint32 *minor_status, + gss_cred_id_t mech_cred_handle, + gss_cred_id_t *cred_handle) +{ + gssspnego_cred cred; + + if (*cred_handle != GSS_C_NO_CREDENTIAL) { + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + cred = calloc(1, sizeof(*cred)); + if (cred == NULL) { + *cred_handle = GSS_C_NO_CREDENTIAL; + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + cred->negotiated_cred_id = mech_cred_handle; + + *cred_handle = (gss_cred_id_t)cred; + + return GSS_S_COMPLETE; +} + +/* + * For now, just a simple wrapper that avoids recursion. When + * we support gss_{get,set}_neg_mechs() we will need to expose + * more functionality. + */ +OM_uint32 _gss_spnego_acquire_cred +(OM_uint32 *minor_status, + const gss_name_t desired_name, + OM_uint32 time_req, + const gss_OID_set desired_mechs, + gss_cred_usage_t cred_usage, + gss_cred_id_t * output_cred_handle, + gss_OID_set * actual_mechs, + OM_uint32 * time_rec + ) +{ + const spnego_name dname = (const spnego_name)desired_name; + gss_name_t name = GSS_C_NO_NAME; + OM_uint32 ret, tmp; + gss_OID_set_desc actual_desired_mechs; + gss_OID_set mechs; + int i, j; + gss_cred_id_t cred_handle = GSS_C_NO_CREDENTIAL; + gssspnego_cred cred; + + *output_cred_handle = GSS_C_NO_CREDENTIAL; + + if (dname) { + ret = gss_import_name(minor_status, &dname->value, &dname->type, &name); + if (ret) { + return ret; + } + } + + ret = gss_indicate_mechs(minor_status, &mechs); + if (ret != GSS_S_COMPLETE) { + gss_release_name(minor_status, &name); + return ret; + } + + /* Remove ourselves from this list */ + actual_desired_mechs.count = mechs->count; + actual_desired_mechs.elements = malloc(actual_desired_mechs.count * + sizeof(gss_OID_desc)); + if (actual_desired_mechs.elements == NULL) { + *minor_status = ENOMEM; + ret = GSS_S_FAILURE; + goto out; + } + + for (i = 0, j = 0; i < mechs->count; i++) { + if (gss_oid_equal(&mechs->elements[i], GSS_SPNEGO_MECHANISM)) + continue; + + actual_desired_mechs.elements[j] = mechs->elements[i]; + j++; + } + actual_desired_mechs.count = j; + + ret = _gss_spnego_alloc_cred(minor_status, GSS_C_NO_CREDENTIAL, + &cred_handle); + if (ret != GSS_S_COMPLETE) + goto out; + + cred = (gssspnego_cred)cred_handle; + ret = gss_acquire_cred(minor_status, name, + time_req, &actual_desired_mechs, + cred_usage, + &cred->negotiated_cred_id, + actual_mechs, time_rec); + if (ret != GSS_S_COMPLETE) + goto out; + + *output_cred_handle = cred_handle; + +out: + gss_release_name(minor_status, &name); + gss_release_oid_set(&tmp, &mechs); + if (actual_desired_mechs.elements != NULL) { + free(actual_desired_mechs.elements); + } + if (ret != GSS_S_COMPLETE) { + _gss_spnego_release_cred(&tmp, &cred_handle); + } + + return ret; +} + +OM_uint32 _gss_spnego_inquire_cred + (OM_uint32 * minor_status, + const gss_cred_id_t cred_handle, + gss_name_t * name, + OM_uint32 * lifetime, + gss_cred_usage_t * cred_usage, + gss_OID_set * mechanisms + ) +{ + gssspnego_cred cred; + spnego_name sname = NULL; + OM_uint32 ret; + + if (cred_handle == GSS_C_NO_CREDENTIAL) { + *minor_status = 0; + return GSS_S_NO_CRED; + } + + if (name) { + sname = calloc(1, sizeof(*sname)); + if (sname == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + } + + cred = (gssspnego_cred)cred_handle; + + ret = gss_inquire_cred(minor_status, + cred->negotiated_cred_id, + sname ? &sname->mech : NULL, + lifetime, + cred_usage, + mechanisms); + if (ret) { + if (sname) + free(sname); + return ret; + } + if (name) + *name = (gss_name_t)sname; + + return ret; +} + +OM_uint32 _gss_spnego_add_cred ( + OM_uint32 * minor_status, + const gss_cred_id_t input_cred_handle, + const gss_name_t desired_name, + const gss_OID desired_mech, + gss_cred_usage_t cred_usage, + OM_uint32 initiator_time_req, + OM_uint32 acceptor_time_req, + gss_cred_id_t * output_cred_handle, + gss_OID_set * actual_mechs, + OM_uint32 * initiator_time_rec, + OM_uint32 * acceptor_time_rec + ) +{ + gss_cred_id_t spnego_output_cred_handle = GSS_C_NO_CREDENTIAL; + OM_uint32 ret, tmp; + gssspnego_cred input_cred, output_cred; + + *output_cred_handle = GSS_C_NO_CREDENTIAL; + + ret = _gss_spnego_alloc_cred(minor_status, GSS_C_NO_CREDENTIAL, + &spnego_output_cred_handle); + if (ret) + return ret; + + input_cred = (gssspnego_cred)input_cred_handle; + output_cred = (gssspnego_cred)spnego_output_cred_handle; + + ret = gss_add_cred(minor_status, + input_cred->negotiated_cred_id, + desired_name, + desired_mech, + cred_usage, + initiator_time_req, + acceptor_time_req, + &output_cred->negotiated_cred_id, + actual_mechs, + initiator_time_rec, + acceptor_time_rec); + if (ret) { + _gss_spnego_release_cred(&tmp, &spnego_output_cred_handle); + return ret; + } + + *output_cred_handle = spnego_output_cred_handle; + + return GSS_S_COMPLETE; +} + +OM_uint32 _gss_spnego_inquire_cred_by_mech ( + OM_uint32 * minor_status, + const gss_cred_id_t cred_handle, + const gss_OID mech_type, + gss_name_t * name, + OM_uint32 * initiator_lifetime, + OM_uint32 * acceptor_lifetime, + gss_cred_usage_t * cred_usage + ) +{ + gssspnego_cred cred; + spnego_name sname = NULL; + OM_uint32 ret; + + if (cred_handle == GSS_C_NO_CREDENTIAL) { + *minor_status = 0; + return GSS_S_NO_CRED; + } + + if (name) { + sname = calloc(1, sizeof(*sname)); + if (sname == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + } + + cred = (gssspnego_cred)cred_handle; + + ret = gss_inquire_cred_by_mech(minor_status, + cred->negotiated_cred_id, + mech_type, + sname ? &sname->mech : NULL, + initiator_lifetime, + acceptor_lifetime, + cred_usage); + + if (ret) { + if (sname) + free(sname); + return ret; + } + if (name) + *name = (gss_name_t)sname; + + return GSS_S_COMPLETE; +} + +OM_uint32 _gss_spnego_inquire_cred_by_oid + (OM_uint32 * minor_status, + const gss_cred_id_t cred_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set) +{ + gssspnego_cred cred; + OM_uint32 ret; + + if (cred_handle == GSS_C_NO_CREDENTIAL) { + *minor_status = 0; + return GSS_S_NO_CRED; + } + cred = (gssspnego_cred)cred_handle; + + ret = gss_inquire_cred_by_oid(minor_status, + cred->negotiated_cred_id, + desired_object, + data_set); + + return ret; +} + +OM_uint32 +_gss_spnego_set_cred_option (OM_uint32 *minor_status, + gss_cred_id_t *cred_handle, + const gss_OID object, + const gss_buffer_t value) +{ + gssspnego_cred cred; + + if (cred_handle == NULL || *cred_handle == GSS_C_NO_CREDENTIAL) { + *minor_status = 0; + return GSS_S_NO_CRED; + } + + cred = (gssspnego_cred)*cred_handle; + return gss_set_cred_option(minor_status, + &cred->negotiated_cred_id, + object, + value); +} + diff --git a/source4/heimdal/lib/gssapi/spnego/external.c b/source4/heimdal/lib/gssapi/spnego/external.c new file mode 100644 index 0000000000..d5718c3fd3 --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/external.c @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "spnego/spnego_locl.h" +#include <gssapi_mech.h> + +RCSID("$Id$"); + +/* + * RFC2478, SPNEGO: + * The security mechanism of the initial + * negotiation token is identified by the Object Identifier + * iso.org.dod.internet.security.mechanism.snego (1.3.6.1.5.5.2). + */ + +static gssapi_mech_interface_desc spnego_mech = { + GMI_VERSION, + "spnego", + {6, (void *)"\x2b\x06\x01\x05\x05\x02"}, + _gss_spnego_acquire_cred, + _gss_spnego_release_cred, + _gss_spnego_init_sec_context, + _gss_spnego_accept_sec_context, + _gss_spnego_process_context_token, + _gss_spnego_internal_delete_sec_context, + _gss_spnego_context_time, + _gss_spnego_get_mic, + _gss_spnego_verify_mic, + _gss_spnego_wrap, + _gss_spnego_unwrap, + NULL, /* gm_display_status */ + NULL, /* gm_indicate_mechs */ + _gss_spnego_compare_name, + _gss_spnego_display_name, + _gss_spnego_import_name, + _gss_spnego_export_name, + _gss_spnego_release_name, + _gss_spnego_inquire_cred, + _gss_spnego_inquire_context, + _gss_spnego_wrap_size_limit, + _gss_spnego_add_cred, + _gss_spnego_inquire_cred_by_mech, + _gss_spnego_export_sec_context, + _gss_spnego_import_sec_context, + _gss_spnego_inquire_names_for_mech, + _gss_spnego_inquire_mechs_for_name, + _gss_spnego_canonicalize_name, + _gss_spnego_duplicate_name, + _gss_spnego_inquire_sec_context_by_oid, + _gss_spnego_inquire_cred_by_oid, + _gss_spnego_set_sec_context_option, + _gss_spnego_set_cred_option, + _gss_spnego_pseudo_random +}; + +gssapi_mech_interface +__gss_spnego_initialize(void) +{ + return &spnego_mech; +} + +static gss_OID_desc _gss_spnego_mechanism_desc = + {6, (void *)"\x2b\x06\x01\x05\x05\x02"}; + +gss_OID GSS_SPNEGO_MECHANISM = &_gss_spnego_mechanism_desc; diff --git a/source4/heimdal/lib/gssapi/spnego/init_sec_context.c b/source4/heimdal/lib/gssapi/spnego/init_sec_context.c new file mode 100644 index 0000000000..f032757fdd --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/init_sec_context.c @@ -0,0 +1,668 @@ +/* + * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * Portions Copyright (c) 2004 PADL Software Pty Ltd. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "spnego/spnego_locl.h" + +RCSID("$Id$"); + +/* + * Is target_name an sane target for `mech´. + */ + +static OM_uint32 +initiator_approved(gss_name_t target_name, gss_OID mech) +{ + OM_uint32 min_stat, maj_stat; + gss_ctx_id_t ctx = GSS_C_NO_CONTEXT; + gss_buffer_desc out; + + maj_stat = gss_init_sec_context(&min_stat, + GSS_C_NO_CREDENTIAL, + &ctx, + target_name, + mech, + 0, + GSS_C_INDEFINITE, + GSS_C_NO_CHANNEL_BINDINGS, + GSS_C_NO_BUFFER, + NULL, + &out, + NULL, + NULL); + if (GSS_ERROR(maj_stat)) { + gss_mg_collect_error(mech, maj_stat, min_stat); + return GSS_S_BAD_MECH; + } + gss_release_buffer(&min_stat, &out); + gss_delete_sec_context(&min_stat, &ctx, NULL); + + return GSS_S_COMPLETE; +} + +/* + * Send a reply. Note that we only need to send a reply if we + * need to send a MIC or a mechanism token. Otherwise, we can + * return an empty buffer. + * + * The return value of this will be returned to the API, so it + * must return GSS_S_CONTINUE_NEEDED if a token was generated. + */ +static OM_uint32 +spnego_reply_internal(OM_uint32 *minor_status, + gssspnego_ctx context_handle, + const gss_buffer_t mech_buf, + gss_buffer_t mech_token, + gss_buffer_t output_token) +{ + NegotiationToken nt; + gss_buffer_desc mic_buf; + OM_uint32 ret; + size_t size; + + if (mech_buf == GSS_C_NO_BUFFER && mech_token->length == 0) { + output_token->length = 0; + output_token->value = NULL; + + return context_handle->open ? GSS_S_COMPLETE : GSS_S_FAILURE; + } + + memset(&nt, 0, sizeof(nt)); + + nt.element = choice_NegotiationToken_negTokenResp; + + ALLOC(nt.u.negTokenResp.negResult, 1); + if (nt.u.negTokenResp.negResult == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + nt.u.negTokenResp.supportedMech = NULL; + + output_token->length = 0; + output_token->value = NULL; + + if (mech_token->length == 0) { + nt.u.negTokenResp.responseToken = NULL; + *(nt.u.negTokenResp.negResult) = accept_completed; + } else { + ALLOC(nt.u.negTokenResp.responseToken, 1); + if (nt.u.negTokenResp.responseToken == NULL) { + free_NegotiationToken(&nt); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + nt.u.negTokenResp.responseToken->length = mech_token->length; + nt.u.negTokenResp.responseToken->data = mech_token->value; + mech_token->length = 0; + mech_token->value = NULL; + + *(nt.u.negTokenResp.negResult) = accept_incomplete; + } + + if (mech_buf != GSS_C_NO_BUFFER) { + + ret = gss_get_mic(minor_status, + context_handle->negotiated_ctx_id, + 0, + mech_buf, + &mic_buf); + if (ret == GSS_S_COMPLETE) { + ALLOC(nt.u.negTokenResp.mechListMIC, 1); + if (nt.u.negTokenResp.mechListMIC == NULL) { + gss_release_buffer(minor_status, &mic_buf); + free_NegotiationToken(&nt); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + nt.u.negTokenResp.mechListMIC->length = mic_buf.length; + nt.u.negTokenResp.mechListMIC->data = mic_buf.value; + } else if (ret == GSS_S_UNAVAILABLE) { + nt.u.negTokenResp.mechListMIC = NULL; + } if (ret) { + free_NegotiationToken(&nt); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + } else { + nt.u.negTokenResp.mechListMIC = NULL; + } + + ASN1_MALLOC_ENCODE(NegotiationToken, + output_token->value, output_token->length, + &nt, &size, ret); + if (ret) { + free_NegotiationToken(&nt); + *minor_status = ret; + return GSS_S_FAILURE; + } + + if (*(nt.u.negTokenResp.negResult) == accept_completed) + ret = GSS_S_COMPLETE; + else + ret = GSS_S_CONTINUE_NEEDED; + + free_NegotiationToken(&nt); + return ret; +} + +static OM_uint32 +spnego_initial + (OM_uint32 * minor_status, + gssspnego_cred cred, + gss_ctx_id_t * context_handle, + const gss_name_t target_name, + const gss_OID mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec + ) +{ + NegTokenInit ni; + int ret; + OM_uint32 sub, minor; + gss_buffer_desc mech_token; + u_char *buf; + size_t buf_size, buf_len; + gss_buffer_desc data; + size_t ni_len; + gss_ctx_id_t context; + gssspnego_ctx ctx; + spnego_name name = (spnego_name)target_name; + + *minor_status = 0; + + memset (&ni, 0, sizeof(ni)); + + *context_handle = GSS_C_NO_CONTEXT; + + if (target_name == GSS_C_NO_NAME) + return GSS_S_BAD_NAME; + + sub = _gss_spnego_alloc_sec_context(&minor, &context); + if (GSS_ERROR(sub)) { + *minor_status = minor; + return sub; + } + ctx = (gssspnego_ctx)context; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + ctx->local = 1; + + sub = gss_import_name(&minor, &name->value, &name->type, &ctx->target_name); + if (GSS_ERROR(sub)) { + *minor_status = minor; + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + return sub; + } + + sub = _gss_spnego_indicate_mechtypelist(&minor, + ctx->target_name, + initiator_approved, + 0, + cred, + &ni.mechTypes, + &ctx->preferred_mech_type); + if (GSS_ERROR(sub)) { + *minor_status = minor; + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + return sub; + } + + ni.reqFlags = NULL; + + /* + * If we have a credential handle, use it to select the mechanism + * that we will use + */ + + /* generate optimistic token */ + sub = gss_init_sec_context(&minor, + (cred != NULL) ? cred->negotiated_cred_id : + GSS_C_NO_CREDENTIAL, + &ctx->negotiated_ctx_id, + ctx->target_name, + ctx->preferred_mech_type, + req_flags, + time_req, + input_chan_bindings, + input_token, + &ctx->negotiated_mech_type, + &mech_token, + &ctx->mech_flags, + &ctx->mech_time_rec); + if (GSS_ERROR(sub)) { + free_NegTokenInit(&ni); + *minor_status = minor; + gss_mg_collect_error(ctx->preferred_mech_type, sub, minor); + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + return sub; + } + if (sub == GSS_S_COMPLETE) + ctx->maybe_open = 1; + + if (mech_token.length != 0) { + ALLOC(ni.mechToken, 1); + if (ni.mechToken == NULL) { + free_NegTokenInit(&ni); + gss_release_buffer(&minor, &mech_token); + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + ni.mechToken->length = mech_token.length; + ni.mechToken->data = malloc(mech_token.length); + if (ni.mechToken->data == NULL && mech_token.length != 0) { + free_NegTokenInit(&ni); + gss_release_buffer(&minor, &mech_token); + *minor_status = ENOMEM; + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + return GSS_S_FAILURE; + } + memcpy(ni.mechToken->data, mech_token.value, mech_token.length); + gss_release_buffer(&minor, &mech_token); + } else + ni.mechToken = NULL; + + ni.mechListMIC = NULL; + + ni_len = length_NegTokenInit(&ni); + buf_size = 1 + der_length_len(ni_len) + ni_len; + + buf = malloc(buf_size); + if (buf == NULL) { + free_NegTokenInit(&ni); + *minor_status = ENOMEM; + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + return GSS_S_FAILURE; + } + + ret = encode_NegTokenInit(buf + buf_size - 1, + ni_len, + &ni, &buf_len); + if (ret == 0 && ni_len != buf_len) + abort(); + + if (ret == 0) { + size_t tmp; + + ret = der_put_length_and_tag(buf + buf_size - buf_len - 1, + buf_size - buf_len, + buf_len, + ASN1_C_CONTEXT, + CONS, + 0, + &tmp); + if (ret == 0 && tmp + buf_len != buf_size) + abort(); + } + if (ret) { + *minor_status = ret; + free(buf); + free_NegTokenInit(&ni); + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + return GSS_S_FAILURE; + } + + data.value = buf; + data.length = buf_size; + + ctx->initiator_mech_types.len = ni.mechTypes.len; + ctx->initiator_mech_types.val = ni.mechTypes.val; + ni.mechTypes.len = 0; + ni.mechTypes.val = NULL; + + free_NegTokenInit(&ni); + + sub = gss_encapsulate_token(&data, + GSS_SPNEGO_MECHANISM, + output_token); + free (buf); + + if (sub) { + _gss_spnego_internal_delete_sec_context(&minor, &context, GSS_C_NO_BUFFER); + return sub; + } + + if (actual_mech_type) + *actual_mech_type = ctx->negotiated_mech_type; + if (ret_flags) + *ret_flags = ctx->mech_flags; + if (time_rec) + *time_rec = ctx->mech_time_rec; + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + *context_handle = context; + + return GSS_S_CONTINUE_NEEDED; +} + +static OM_uint32 +spnego_reply + (OM_uint32 * minor_status, + const gssspnego_cred cred, + gss_ctx_id_t * context_handle, + const gss_name_t target_name, + const gss_OID mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec + ) +{ + OM_uint32 ret, minor; + NegTokenResp resp; + size_t len, taglen; + gss_OID_desc mech; + int require_mic; + size_t buf_len; + gss_buffer_desc mic_buf, mech_buf; + gss_buffer_desc mech_output_token; + gssspnego_ctx ctx; + + *minor_status = 0; + + ctx = (gssspnego_ctx)*context_handle; + + output_token->length = 0; + output_token->value = NULL; + + mech_output_token.length = 0; + mech_output_token.value = NULL; + + mech_buf.value = NULL; + mech_buf.length = 0; + + ret = der_match_tag_and_length(input_token->value, input_token->length, + ASN1_C_CONTEXT, CONS, 1, &len, &taglen); + if (ret) + return ret; + + if (len > input_token->length - taglen) + return ASN1_OVERRUN; + + ret = decode_NegTokenResp((const unsigned char *)input_token->value+taglen, + len, &resp, NULL); + if (ret) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + if (resp.negResult == NULL + || *(resp.negResult) == reject + /* || resp.supportedMech == NULL */ + ) + { + free_NegTokenResp(&resp); + return GSS_S_BAD_MECH; + } + + /* + * Pick up the mechanism that the acceptor selected, only allow it + * to be sent in packet. + */ + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + if (resp.supportedMech) { + + if (ctx->oidlen) { + free_NegTokenResp(&resp); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_BAD_MECH; + } + ret = der_put_oid(ctx->oidbuf + sizeof(ctx->oidbuf) - 1, + sizeof(ctx->oidbuf), + resp.supportedMech, + &ctx->oidlen); + /* Avoid recursively embedded SPNEGO */ + if (ret || (ctx->oidlen == GSS_SPNEGO_MECHANISM->length && + memcmp(ctx->oidbuf + sizeof(ctx->oidbuf) - ctx->oidlen, + GSS_SPNEGO_MECHANISM->elements, + ctx->oidlen) == 0)) + { + free_NegTokenResp(&resp); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_BAD_MECH; + } + + /* check if the acceptor took our optimistic token */ + if (ctx->oidlen != ctx->preferred_mech_type->length || + memcmp(ctx->oidbuf + sizeof(ctx->oidbuf) - ctx->oidlen, + ctx->preferred_mech_type->elements, + ctx->oidlen) != 0) + { + gss_delete_sec_context(&minor, &ctx->negotiated_ctx_id, + GSS_C_NO_BUFFER); + ctx->negotiated_ctx_id = GSS_C_NO_CONTEXT; + } + } else if (ctx->oidlen == 0) { + free_NegTokenResp(&resp); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return GSS_S_BAD_MECH; + } + + /* if a token (of non zero length), or no context, pass to underlaying mech */ + if ((resp.responseToken != NULL && resp.responseToken->length) || + ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + gss_buffer_desc mech_input_token; + + if (resp.responseToken) { + mech_input_token.length = resp.responseToken->length; + mech_input_token.value = resp.responseToken->data; + } else { + mech_input_token.length = 0; + mech_input_token.value = NULL; + } + + + mech.length = ctx->oidlen; + mech.elements = ctx->oidbuf + sizeof(ctx->oidbuf) - ctx->oidlen; + + /* Fall through as if the negotiated mechanism + was requested explicitly */ + ret = gss_init_sec_context(&minor, + (cred != NULL) ? cred->negotiated_cred_id : + GSS_C_NO_CREDENTIAL, + &ctx->negotiated_ctx_id, + ctx->target_name, + &mech, + req_flags, + time_req, + input_chan_bindings, + &mech_input_token, + &ctx->negotiated_mech_type, + &mech_output_token, + &ctx->mech_flags, + &ctx->mech_time_rec); + if (GSS_ERROR(ret)) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + free_NegTokenResp(&resp); + gss_mg_collect_error(&mech, ret, minor); + *minor_status = minor; + return ret; + } + if (ret == GSS_S_COMPLETE) { + ctx->open = 1; + } + } else if (*(resp.negResult) == accept_completed) { + if (ctx->maybe_open) + ctx->open = 1; + } + + if (*(resp.negResult) == request_mic) { + ctx->require_mic = 1; + } + + if (ctx->open) { + /* + * Verify the mechListMIC if one was provided or CFX was + * used and a non-preferred mechanism was selected + */ + if (resp.mechListMIC != NULL) { + require_mic = 1; + } else { + ret = _gss_spnego_require_mechlist_mic(minor_status, ctx, + &require_mic); + if (ret) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + free_NegTokenResp(&resp); + gss_release_buffer(&minor, &mech_output_token); + return ret; + } + } + } else { + require_mic = 0; + } + + if (require_mic) { + ASN1_MALLOC_ENCODE(MechTypeList, mech_buf.value, mech_buf.length, + &ctx->initiator_mech_types, &buf_len, ret); + if (ret) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + free_NegTokenResp(&resp); + gss_release_buffer(&minor, &mech_output_token); + *minor_status = ret; + return GSS_S_FAILURE; + } + if (mech_buf.length != buf_len) + abort(); + + if (resp.mechListMIC == NULL) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + free(mech_buf.value); + free_NegTokenResp(&resp); + *minor_status = 0; + return GSS_S_DEFECTIVE_TOKEN; + } + mic_buf.length = resp.mechListMIC->length; + mic_buf.value = resp.mechListMIC->data; + + if (mech_output_token.length == 0) { + ret = gss_verify_mic(minor_status, + ctx->negotiated_ctx_id, + &mech_buf, + &mic_buf, + NULL); + if (ret) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + free(mech_buf.value); + gss_release_buffer(&minor, &mech_output_token); + free_NegTokenResp(&resp); + return GSS_S_DEFECTIVE_TOKEN; + } + ctx->verified_mic = 1; + } + } + + ret = spnego_reply_internal(minor_status, ctx, + require_mic ? &mech_buf : NULL, + &mech_output_token, + output_token); + + if (mech_buf.value != NULL) + free(mech_buf.value); + + free_NegTokenResp(&resp); + gss_release_buffer(&minor, &mech_output_token); + + if (actual_mech_type) + *actual_mech_type = ctx->negotiated_mech_type; + if (ret_flags) + *ret_flags = ctx->mech_flags; + if (time_rec) + *time_rec = ctx->mech_time_rec; + + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; +} + +OM_uint32 _gss_spnego_init_sec_context + (OM_uint32 * minor_status, + const gss_cred_id_t initiator_cred_handle, + gss_ctx_id_t * context_handle, + const gss_name_t target_name, + const gss_OID mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec + ) +{ + gssspnego_cred cred = (gssspnego_cred)initiator_cred_handle; + + if (*context_handle == GSS_C_NO_CONTEXT) + return spnego_initial (minor_status, + cred, + context_handle, + target_name, + mech_type, + req_flags, + time_req, + input_chan_bindings, + input_token, + actual_mech_type, + output_token, + ret_flags, + time_rec); + else + return spnego_reply (minor_status, + cred, + context_handle, + target_name, + mech_type, + req_flags, + time_req, + input_chan_bindings, + input_token, + actual_mech_type, + output_token, + ret_flags, + time_rec); +} + diff --git a/source4/heimdal/lib/gssapi/spnego/spnego.asn1 b/source4/heimdal/lib/gssapi/spnego/spnego.asn1 new file mode 100644 index 0000000000..048e86bb43 --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/spnego.asn1 @@ -0,0 +1,63 @@ +-- $Id$ + +SPNEGO DEFINITIONS ::= +BEGIN + +MechType::= OBJECT IDENTIFIER + +MechTypeList ::= SEQUENCE OF MechType + +ContextFlags ::= BIT STRING { + delegFlag (0), + mutualFlag (1), + replayFlag (2), + sequenceFlag (3), + anonFlag (4), + confFlag (5), + integFlag (6) +} + +NegHints ::= SEQUENCE { + hintName [0] GeneralString OPTIONAL, + hintAddress [1] OCTET STRING OPTIONAL +} + +NegTokenInitWin ::= SEQUENCE { + mechTypes [0] MechTypeList, + reqFlags [1] ContextFlags OPTIONAL, + mechToken [2] OCTET STRING OPTIONAL, + negHints [3] NegHints OPTIONAL +} + +NegTokenInit ::= SEQUENCE { + mechTypes [0] MechTypeList, + reqFlags [1] ContextFlags OPTIONAL, + mechToken [2] OCTET STRING OPTIONAL, + mechListMIC [3] OCTET STRING OPTIONAL, + ... +} + +-- NB: negResult is not OPTIONAL in the new SPNEGO spec but +-- Windows clients do not always send it +NegTokenResp ::= SEQUENCE { + negResult [0] ENUMERATED { + accept_completed (0), + accept_incomplete (1), + reject (2), + request-mic (3) } OPTIONAL, + supportedMech [1] MechType OPTIONAL, + responseToken [2] OCTET STRING OPTIONAL, + mechListMIC [3] OCTET STRING OPTIONAL, + ... +} + +NegotiationToken ::= CHOICE { + negTokenInit[0] NegTokenInit, + negTokenResp[1] NegTokenResp +} + +NegotiationTokenWin ::= CHOICE { + negTokenInit[0] NegTokenInitWin +} + +END diff --git a/source4/heimdal/lib/gssapi/spnego/spnego_locl.h b/source4/heimdal/lib/gssapi/spnego/spnego_locl.h new file mode 100644 index 0000000000..8344e750ae --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/spnego_locl.h @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id$ */ + +#ifndef SPNEGO_LOCL_H +#define SPNEGO_LOCL_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif + +#ifdef HAVE_PTHREAD_H +#include <pthread.h> +#endif + +#include <gssapi/gssapi_spnego.h> +#include <gssapi.h> +#include <assert.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif + +#include <heim_threads.h> +#include <asn1_err.h> + +#include <gssapi_mech.h> + +#include "spnego_asn1.h" +#include "mech/utils.h" +#include <der.h> + +#include <roken.h> + +#define ALLOC(X, N) (X) = calloc((N), sizeof(*(X))) + +typedef struct { + gss_cred_id_t negotiated_cred_id; +} *gssspnego_cred; + +typedef struct { + MechTypeList initiator_mech_types; + gss_OID preferred_mech_type; + gss_OID negotiated_mech_type; + gss_ctx_id_t negotiated_ctx_id; + OM_uint32 mech_flags; + OM_uint32 mech_time_rec; + gss_name_t mech_src_name; + unsigned int open : 1; + unsigned int local : 1; + unsigned int require_mic : 1; + unsigned int verified_mic : 1; + unsigned int maybe_open : 1; + HEIMDAL_MUTEX ctx_id_mutex; + + gss_name_t target_name; + + u_char oidbuf[17]; + size_t oidlen; + +} *gssspnego_ctx; + +typedef struct { + gss_OID_desc type; + gss_buffer_desc value; + gss_name_t mech; +} *spnego_name; + +extern gss_OID_desc _gss_spnego_mskrb_mechanism_oid_desc; +extern gss_OID_desc _gss_spnego_krb5_mechanism_oid_desc; + +#include <spnego/spnego-private.h> + +#endif /* SPNEGO_LOCL_H */ |