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/*
* 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.
*/
/* $Id: gssapi_locl.h,v 1.43 2005/11/02 08:51:17 lha Exp $ */
#ifndef GSSAPI_LOCL_H
#define GSSAPI_LOCL_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <krb5_locl.h>
#include <gssapi.h>
#include <assert.h>
#include "cfx.h"
#include "arcfour.h"
#include "spnego_asn1.h"
/*
*
*/
struct gss_msg_order;
typedef struct gss_ctx_id_t_desc_struct {
struct krb5_auth_context_data *auth_context;
gss_name_t source, target;
enum gss_ctx_id_t_state {
INITIATOR_START = 1, INITIATOR_WAIT_FOR_MUTAL = 2, INITIATOR_READY= 3,
ACCEPTOR_START = 11, ACCEPTOR_WAIT_FOR_DCESTYLE = 12, ACCEPTOR_READY = 13
} state;
OM_uint32 flags;
enum {LOCAL = 1,
OPEN = 2,
COMPAT_OLD_DES3 = 4,
COMPAT_OLD_DES3_SELECTED = 8,
ACCEPTOR_SUBKEY = 16
} more_flags;
struct krb5_ticket *ticket;
krb5_keyblock *service_keyblock;
krb5_data fwd_data;
OM_uint32 lifetime;
HEIMDAL_MUTEX ctx_id_mutex;
struct gss_msg_order *order;
} gss_ctx_id_t_desc;
typedef struct gss_cred_id_t_desc_struct {
gss_name_t principal;
int cred_flags;
#define GSS_CF_DESTROY_CRED_ON_RELEASE 1
krb5_boolean made_keytab;
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;
} gss_cred_id_t_desc;
/*
*
*/
extern krb5_context gssapi_krb5_context;
extern krb5_keytab gssapi_krb5_keytab;
extern HEIMDAL_MUTEX gssapi_keytab_mutex;
struct gssapi_thr_context {
HEIMDAL_MUTEX mutex;
char *error_string;
};
/*
* Prototypes
*/
krb5_error_code gssapi_krb5_init (void);
krb5_error_code gssapi_krb5_init_ev (void *);
#define GSSAPI_KRB5_INIT() do { \
krb5_error_code kret_gss_init; \
if((kret_gss_init = gssapi_krb5_init ()) != 0) { \
*minor_status = kret_gss_init; \
return GSS_S_FAILURE; \
} \
} while (0)
struct gssapi_thr_context *
gssapi_get_thread_context(int);
OM_uint32
_gsskrb5_create_ctx(
OM_uint32 * minor_status,
gss_ctx_id_t * context_handle,
const gss_channel_bindings_t input_chan_bindings,
enum gss_ctx_id_t_state state);
void
gsskrb5_is_cfx(gss_ctx_id_t, int *);
OM_uint32
gssapi_krb5_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);
OM_uint32
gssapi_krb5_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);
void
_gssapi_encap_length (size_t data_len,
size_t *len,
size_t *total_len,
const gss_OID mech);
void
gssapi_krb5_encap_length (size_t data_len,
size_t *len,
size_t *total_len,
const gss_OID mech);
OM_uint32
_gssapi_encapsulate(OM_uint32 *minor_status,
const krb5_data *in_data,
gss_buffer_t output_token,
const gss_OID mech);
OM_uint32
gssapi_krb5_encapsulate(OM_uint32 *minor_status,
const krb5_data *in_data,
gss_buffer_t output_token,
const u_char *type,
const gss_OID mech);
OM_uint32
gssapi_krb5_decapsulate(OM_uint32 *minor_status,
gss_buffer_t input_token_buffer,
krb5_data *out_data,
const char *type,
gss_OID oid);
u_char *
gssapi_krb5_make_header (u_char *p,
size_t len,
const u_char *type,
const gss_OID mech);
u_char *
_gssapi_make_mech_header(u_char *p,
size_t len,
const gss_OID mech);
OM_uint32
_gssapi_verify_mech_header(u_char **str,
size_t total_len,
gss_OID oid);
OM_uint32
gssapi_krb5_verify_header(u_char **str,
size_t total_len,
const u_char *type,
gss_OID oid);
OM_uint32
_gssapi_decapsulate(OM_uint32 *minor_status,
gss_buffer_t input_token_buffer,
krb5_data *out_data,
const gss_OID mech);
ssize_t
gssapi_krb5_get_mech (const u_char *, size_t, const u_char **);
OM_uint32
_gssapi_verify_pad(gss_buffer_t, size_t, size_t *);
OM_uint32
gss_verify_mic_internal(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,
char * type);
OM_uint32
gss_krb5_get_subkey(const gss_ctx_id_t context_handle,
krb5_keyblock **key);
krb5_error_code
gss_address_to_krb5addr(OM_uint32 gss_addr_type,
gss_buffer_desc *gss_addr,
int16_t port,
krb5_address *address);
/* 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
int
gss_oid_equal(const gss_OID a, const gss_OID b);
void
gssapi_krb5_clear_status (void);
void
gssapi_krb5_set_status (const char *fmt, ...);
void
gssapi_krb5_set_error_string (void);
char *
gssapi_krb5_get_error_string (void);
OM_uint32
_gss_DES3_get_mic_compat(OM_uint32 *, gss_ctx_id_t);
OM_uint32
_gss_spnego_require_mechlist_mic(OM_uint32 *, gss_ctx_id_t, krb5_boolean *);
krb5_error_code
_gss_check_compat(OM_uint32 *, gss_name_t, const char *,
krb5_boolean *, krb5_boolean);
OM_uint32
gssapi_lifetime_left(OM_uint32 *, OM_uint32, OM_uint32 *);
OM_uint32
_gssapi_krb5_ccache_lifetime(OM_uint32 *, krb5_ccache,
krb5_principal, OM_uint32 *);
/* sequence */
OM_uint32
_gssapi_msg_order_create(OM_uint32 *, struct gss_msg_order **,
OM_uint32, OM_uint32, OM_uint32, int);
OM_uint32
_gssapi_msg_order_destroy(struct gss_msg_order **);
OM_uint32
_gssapi_msg_order_check(struct gss_msg_order *, OM_uint32);
OM_uint32
_gssapi_msg_order_f(OM_uint32);
/* 8003 */
krb5_error_code
gssapi_encode_om_uint32(OM_uint32, u_char *);
krb5_error_code
gssapi_encode_be_om_uint32(OM_uint32, u_char *);
krb5_error_code
gssapi_decode_om_uint32(u_char *, OM_uint32 *);
krb5_error_code
gssapi_decode_be_om_uint32(u_char *, OM_uint32 *);
#endif
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