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/*
Unix SMB/CIFS implementation.
Generic Authentication Interface
Copyright (C) Andrew Tridgell 2003
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GENSEC_H__
#define __GENSEC_H__
#include "../lib/util/data_blob.h"
#include "libcli/util/ntstatus.h"
#define GENSEC_SASL_NAME_NTLMSSP "NTLM"
#define GENSEC_OID_NTLMSSP "1.3.6.1.4.1.311.2.2.10"
#define GENSEC_OID_SPNEGO "1.3.6.1.5.5.2"
#define GENSEC_OID_KERBEROS5 "1.2.840.113554.1.2.2"
#define GENSEC_OID_KERBEROS5_OLD "1.2.840.48018.1.2.2"
#define GENSEC_OID_KERBEROS5_USER2USER "1.2.840.113554.1.2.2.3"
enum gensec_priority {
GENSEC_SPNEGO = 90,
GENSEC_GSSAPI = 80,
GENSEC_KRB5 = 70,
GENSEC_SCHANNEL = 60,
GENSEC_NTLMSSP = 50,
GENSEC_SASL = 20,
GENSEC_OTHER = 0
};
struct gensec_security;
struct gensec_target {
const char *principal;
const char *hostname;
const char *service;
};
#define GENSEC_FEATURE_SESSION_KEY 0x00000001
#define GENSEC_FEATURE_SIGN 0x00000002
#define GENSEC_FEATURE_SEAL 0x00000004
#define GENSEC_FEATURE_DCE_STYLE 0x00000008
#define GENSEC_FEATURE_ASYNC_REPLIES 0x00000010
#define GENSEC_FEATURE_DATAGRAM_MODE 0x00000020
#define GENSEC_FEATURE_SIGN_PKT_HEADER 0x00000040
#define GENSEC_FEATURE_NEW_SPNEGO 0x00000080
#define GENSEC_FEATURE_UNIX_TOKEN 0x00000100
#define GENSEC_EXPIRE_TIME_INFINITY (NTTIME)0x8000000000000000LL
/* GENSEC mode */
enum gensec_role
{
GENSEC_SERVER,
GENSEC_CLIENT
};
struct auth_session_info;
struct cli_credentials;
struct gensec_settings;
struct tevent_context;
struct tevent_req;
struct smb_krb5_context;
struct tsocket_address;
struct gensec_settings {
struct loadparm_context *lp_ctx;
const char *target_hostname;
/* this allows callers to specify a specific set of ops that
* should be used, rather than those loaded by the plugin
* mechanism */
const struct gensec_security_ops * const *backends;
/* To fill in our own name in the NTLMSSP server */
const char *server_dns_domain;
const char *server_dns_name;
const char *server_netbios_domain;
const char *server_netbios_name;
};
struct gensec_security_ops;
struct gensec_security_ops_wrapper;
#define GENSEC_INTERFACE_VERSION 0
/* this structure is used by backends to determine the size of some critical types */
struct gensec_critical_sizes;
const struct gensec_critical_sizes *gensec_interface_version(void);
/* Socket wrapper */
struct gensec_security;
struct socket_context;
struct auth4_context;
struct auth_user_info_dc;
/* These functions are for use here only (public because SPNEGO must
* use them for recursion) */
NTSTATUS gensec_wrap_packets(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const DATA_BLOB *in,
DATA_BLOB *out,
size_t *len_processed);
/* These functions are for use here only (public because SPNEGO must
* use them for recursion) */
NTSTATUS gensec_unwrap_packets(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const DATA_BLOB *in,
DATA_BLOB *out,
size_t *len_processed);
/* These functions are for use here only (public because SPNEGO must
* use them for recursion) */
NTSTATUS gensec_packet_full_request(struct gensec_security *gensec_security,
DATA_BLOB blob, size_t *size);
struct loadparm_context;
NTSTATUS gensec_subcontext_start(TALLOC_CTX *mem_ctx,
struct gensec_security *parent,
struct gensec_security **gensec_security);
NTSTATUS gensec_client_start(TALLOC_CTX *mem_ctx,
struct gensec_security **gensec_security,
struct gensec_settings *settings);
NTSTATUS gensec_start_mech_by_ops(struct gensec_security *gensec_security,
const struct gensec_security_ops *ops);
NTSTATUS gensec_start_mech_by_sasl_list(struct gensec_security *gensec_security,
const char **sasl_names);
void gensec_set_max_update_size(struct gensec_security *gensec_security,
uint32_t max_update_size);
size_t gensec_max_update_size(struct gensec_security *gensec_security);
NTSTATUS gensec_update(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
struct tevent_context *ev,
const DATA_BLOB in, DATA_BLOB *out);
struct tevent_req *gensec_update_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct gensec_security *gensec_security,
const DATA_BLOB in);
NTSTATUS gensec_update_recv(struct tevent_req *req, TALLOC_CTX *out_mem_ctx, DATA_BLOB *out);
void gensec_want_feature(struct gensec_security *gensec_security,
uint32_t feature);
bool gensec_have_feature(struct gensec_security *gensec_security,
uint32_t feature);
NTTIME gensec_expire_time(struct gensec_security *gensec_security);
NTSTATUS gensec_set_credentials(struct gensec_security *gensec_security, struct cli_credentials *credentials);
NTSTATUS gensec_set_target_service(struct gensec_security *gensec_security, const char *service);
const char *gensec_get_target_service(struct gensec_security *gensec_security);
NTSTATUS gensec_set_target_hostname(struct gensec_security *gensec_security, const char *hostname);
const char *gensec_get_target_hostname(struct gensec_security *gensec_security);
NTSTATUS gensec_session_key(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key);
NTSTATUS gensec_start_mech_by_oid(struct gensec_security *gensec_security,
const char *mech_oid);
const char *gensec_get_name_by_oid(struct gensec_security *gensec_security, const char *oid_string);
struct cli_credentials *gensec_get_credentials(struct gensec_security *gensec_security);
NTSTATUS gensec_init(void);
NTSTATUS gensec_register(const struct gensec_security_ops *ops);
const struct gensec_security_ops *gensec_security_by_oid(struct gensec_security *gensec_security,
const char *oid_string);
const struct gensec_security_ops *gensec_security_by_sasl_name(struct gensec_security *gensec_security,
const char *sasl_name);
const struct gensec_security_ops *gensec_security_by_auth_type(
struct gensec_security *gensec_security,
uint32_t auth_type);
const struct gensec_security_ops **gensec_security_mechs(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx);
const struct gensec_security_ops_wrapper *gensec_security_by_oid_list(
struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const char * const *oid_strings,
const char *skip);
const char **gensec_security_oids(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const char *skip);
const char **gensec_security_oids_from_ops_wrapped(TALLOC_CTX *mem_ctx,
const struct gensec_security_ops_wrapper *wops);
size_t gensec_max_input_size(struct gensec_security *gensec_security);
size_t gensec_max_wrapped_size(struct gensec_security *gensec_security);
NTSTATUS gensec_unseal_packet(struct gensec_security *gensec_security,
uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
const DATA_BLOB *sig);
NTSTATUS gensec_check_packet(struct gensec_security *gensec_security,
const uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
const DATA_BLOB *sig);
size_t gensec_sig_size(struct gensec_security *gensec_security, size_t data_size);
NTSTATUS gensec_seal_packet(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
DATA_BLOB *sig);
NTSTATUS gensec_sign_packet(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
DATA_BLOB *sig);
NTSTATUS gensec_start_mech(struct gensec_security *gensec_security);
NTSTATUS gensec_start_mech_by_authtype(struct gensec_security *gensec_security,
uint8_t auth_type, uint8_t auth_level);
const char *gensec_get_name_by_authtype(struct gensec_security *gensec_security, uint8_t authtype);
NTSTATUS gensec_server_start(TALLOC_CTX *mem_ctx,
struct gensec_settings *settings,
struct auth4_context *auth_context,
struct gensec_security **gensec_security);
NTSTATUS gensec_session_info(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
struct auth_session_info **session_info);
NTSTATUS gensec_set_local_address(struct gensec_security *gensec_security,
const struct tsocket_address *local);
NTSTATUS gensec_set_remote_address(struct gensec_security *gensec_security,
const struct tsocket_address *remote);
const struct tsocket_address *gensec_get_local_address(struct gensec_security *gensec_security);
const struct tsocket_address *gensec_get_remote_address(struct gensec_security *gensec_security);
NTSTATUS gensec_start_mech_by_name(struct gensec_security *gensec_security,
const char *name);
NTSTATUS gensec_unwrap(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const DATA_BLOB *in,
DATA_BLOB *out);
NTSTATUS gensec_wrap(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const DATA_BLOB *in,
DATA_BLOB *out);
const struct gensec_security_ops * const *gensec_security_all(void);
bool gensec_security_ops_enabled(const struct gensec_security_ops *ops, struct gensec_security *security);
const struct gensec_security_ops **gensec_use_kerberos_mechs(TALLOC_CTX *mem_ctx,
const struct gensec_security_ops * const *old_gensec_list,
struct cli_credentials *creds);
NTSTATUS gensec_start_mech_by_sasl_name(struct gensec_security *gensec_security,
const char *sasl_name);
int gensec_setting_int(struct gensec_settings *settings, const char *mechanism, const char *name, int default_value);
bool gensec_setting_bool(struct gensec_settings *settings, const char *mechanism, const char *name, bool default_value);
NTSTATUS gensec_set_target_principal(struct gensec_security *gensec_security, const char *principal);
const char *gensec_get_target_principal(struct gensec_security *gensec_security);
NTSTATUS gensec_generate_session_info_pac(TALLOC_CTX *mem_ctx,
struct gensec_security *gensec_security,
struct smb_krb5_context *smb_krb5_context,
DATA_BLOB *pac_blob,
const char *principal_string,
const struct tsocket_address *remote_address,
struct auth_session_info **session_info);
NTSTATUS gensec_magic_check_krb5_oid(struct gensec_security *unused,
const DATA_BLOB *blob);
#endif /* __GENSEC_H__ */
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