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;
37 #define GENSEC_FEATURE_SESSION_KEY 0x00000001
38 #define GENSEC_FEATURE_SIGN 0x00000002
39 #define GENSEC_FEATURE_SEAL 0x00000004
40 #define GENSEC_FEATURE_DCE_STYLE 0x00000008
41 #define GENSEC_FEATURE_ASYNC_REPLIES 0x00000010
42 #define GENSEC_FEATURE_DATAGRAM_MODE 0x00000020
51 struct auth_session_info;
53 struct gensec_security_ops {
55 const char *sasl_name;
56 uint8_t auth_type; /* 0 if not offered on DCE-RPC */
57 const char **oid; /* NULL if not offered by SPNEGO */
58 NTSTATUS (*client_start)(struct gensec_security *gensec_security);
59 NTSTATUS (*server_start)(struct gensec_security *gensec_security);
61 Determine if a packet has the right 'magic' for this mechanism
63 NTSTATUS (*magic)(struct gensec_security *gensec_security,
64 const DATA_BLOB *first_packet);
65 NTSTATUS (*update)(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
66 const DATA_BLOB in, DATA_BLOB *out);
67 NTSTATUS (*seal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
68 uint8_t *data, size_t length,
69 const uint8_t *whole_pdu, size_t pdu_length,
71 NTSTATUS (*sign_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
72 const uint8_t *data, size_t length,
73 const uint8_t *whole_pdu, size_t pdu_length,
75 size_t (*sig_size)(struct gensec_security *gensec_security, size_t data_size);
76 NTSTATUS (*check_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
77 const uint8_t *data, size_t length,
78 const uint8_t *whole_pdu, size_t pdu_length,
79 const DATA_BLOB *sig);
80 NTSTATUS (*unseal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
81 uint8_t *data, size_t length,
82 const uint8_t *whole_pdu, size_t pdu_length,
83 const DATA_BLOB *sig);
84 NTSTATUS (*wrap)(struct gensec_security *gensec_security,
88 NTSTATUS (*unwrap)(struct gensec_security *gensec_security,
92 NTSTATUS (*session_key)(struct gensec_security *gensec_security, DATA_BLOB *session_key);
93 NTSTATUS (*session_info)(struct gensec_security *gensec_security,
94 struct auth_session_info **session_info);
95 BOOL (*have_feature)(struct gensec_security *gensec_security,
100 struct gensec_security_ops_wrapper {
101 const struct gensec_security_ops *op;
105 #define GENSEC_INTERFACE_VERSION 0
107 struct gensec_security {
108 const struct gensec_security_ops *ops;
110 struct cli_credentials *credentials;
111 struct gensec_target target;
112 enum gensec_role gensec_role;
114 uint32_t want_features;
115 struct event_context *event_ctx;
116 struct socket_address *my_addr, *peer_addr;
119 /* this structure is used by backends to determine the size of some critical types */
120 struct gensec_critical_sizes {
121 int interface_version;
122 int sizeof_gensec_security_ops;
123 int sizeof_gensec_security;
126 #include "gensec_proto.h"