2 Unix SMB/CIFS implementation.
4 Generic Authentication Interface
6 Copyright (C) Andrew Tridgell 2003
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define GENSEC_OID_NTLMSSP "1 3 6 1 4 1 311 2 2 10"
25 #define GENSEC_OID_SPNEGO "1 3 6 1 5 5 2"
26 #define GENSEC_OID_KERBEROS5 "1 2 840 113554 1 2 2"
27 #define GENSEC_OID_KERBEROS5_OLD "1 2 840 48018 1 2 2"
28 #define GENSEC_OID_KERBEROS5_USER2USER "1 2 840 113554 1 2 2 3"
30 struct gensec_security;
31 struct gensec_target {
32 const char *principal;
34 const struct sock_addr *addr;
38 #define GENSEC_FEATURE_SESSION_KEY 0x00000001
39 #define GENSEC_FEATURE_SIGN 0x00000002
40 #define GENSEC_FEATURE_SEAL 0x00000004
41 #define GENSEC_FEATURE_DCE_STYLE 0x00000008
50 struct auth_session_info;
52 struct gensec_security_ops {
54 const char *sasl_name;
55 uint8_t auth_type; /* 0 if not offered on DCE-RPC */
56 const char *oid; /* NULL if not offered by SPNEGO */
57 NTSTATUS (*client_start)(struct gensec_security *gensec_security);
58 NTSTATUS (*server_start)(struct gensec_security *gensec_security);
59 NTSTATUS (*update)(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
60 const DATA_BLOB in, DATA_BLOB *out);
61 NTSTATUS (*seal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
62 uint8_t *data, size_t length,
63 const uint8_t *whole_pdu, size_t pdu_length,
65 NTSTATUS (*sign_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
66 const uint8_t *data, size_t length,
67 const uint8_t *whole_pdu, size_t pdu_length,
69 size_t (*sig_size)(struct gensec_security *gensec_security);
70 NTSTATUS (*check_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
71 const uint8_t *data, size_t length,
72 const uint8_t *whole_pdu, size_t pdu_length,
73 const DATA_BLOB *sig);
74 NTSTATUS (*unseal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
75 uint8_t *data, size_t length,
76 const uint8_t *whole_pdu, size_t pdu_length,
78 NTSTATUS (*wrap)(struct gensec_security *gensec_security,
82 NTSTATUS (*unwrap)(struct gensec_security *gensec_security,
86 NTSTATUS (*session_key)(struct gensec_security *gensec_security, DATA_BLOB *session_key);
87 NTSTATUS (*session_info)(struct gensec_security *gensec_security,
88 struct auth_session_info **session_info);
89 BOOL (*have_feature)(struct gensec_security *gensec_security,
94 #define GENSEC_INTERFACE_VERSION 0
96 struct gensec_security {
97 gensec_password_callback password_callback;
98 void *password_callback_private;
99 const struct gensec_security_ops *ops;
101 struct cli_credentials *credentials;
102 struct gensec_target target;
103 enum gensec_role gensec_role;
105 uint32_t want_features;
108 /* this structure is used by backends to determine the size of some critical types */
109 struct gensec_critical_sizes {
110 int interface_version;
111 int sizeof_gensec_security_ops;
112 int sizeof_gensec_security;
116 /* pre-declare schannel structure for schannel backend */
117 struct schannel_state;