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 3 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, see <http://www.gnu.org/licenses/>.
26 #define GENSEC_OID_NTLMSSP "1.3.6.1.4.1.311.2.2.10"
27 #define GENSEC_OID_SPNEGO "1.3.6.1.5.5.2"
28 #define GENSEC_OID_KERBEROS5 "1.2.840.113554.1.2.2"
29 #define GENSEC_OID_KERBEROS5_OLD "1.2.840.48018.1.2.2"
30 #define GENSEC_OID_KERBEROS5_USER2USER "1.2.840.113554.1.2.2.3"
32 enum gensec_priority {
42 enum credentials_use_kerberos;
44 struct gensec_security;
45 struct gensec_target {
46 const char *principal;
51 #define GENSEC_FEATURE_SESSION_KEY 0x00000001
52 #define GENSEC_FEATURE_SIGN 0x00000002
53 #define GENSEC_FEATURE_SEAL 0x00000004
54 #define GENSEC_FEATURE_DCE_STYLE 0x00000008
55 #define GENSEC_FEATURE_ASYNC_REPLIES 0x00000010
56 #define GENSEC_FEATURE_DATAGRAM_MODE 0x00000020
65 struct auth_session_info;
67 struct gensec_update_request {
68 struct gensec_security *gensec_security;
74 void (*fn)(struct gensec_update_request *req, void *private_data);
79 struct gensec_security_ops {
81 const char *sasl_name;
82 uint8_t auth_type; /* 0 if not offered on DCE-RPC */
83 const char **oid; /* NULL if not offered by SPNEGO */
84 NTSTATUS (*client_start)(struct gensec_security *gensec_security);
85 NTSTATUS (*server_start)(struct gensec_security *gensec_security);
87 Determine if a packet has the right 'magic' for this mechanism
89 NTSTATUS (*magic)(struct gensec_security *gensec_security,
90 const DATA_BLOB *first_packet);
91 NTSTATUS (*update)(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
92 const DATA_BLOB in, DATA_BLOB *out);
93 NTSTATUS (*seal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
94 uint8_t *data, size_t length,
95 const uint8_t *whole_pdu, size_t pdu_length,
97 NTSTATUS (*sign_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
98 const uint8_t *data, size_t length,
99 const uint8_t *whole_pdu, size_t pdu_length,
101 size_t (*sig_size)(struct gensec_security *gensec_security, size_t data_size);
102 size_t (*max_input_size)(struct gensec_security *gensec_security);
103 size_t (*max_wrapped_size)(struct gensec_security *gensec_security);
104 NTSTATUS (*check_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
105 const uint8_t *data, size_t length,
106 const uint8_t *whole_pdu, size_t pdu_length,
107 const DATA_BLOB *sig);
108 NTSTATUS (*unseal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
109 uint8_t *data, size_t length,
110 const uint8_t *whole_pdu, size_t pdu_length,
111 const DATA_BLOB *sig);
112 NTSTATUS (*wrap)(struct gensec_security *gensec_security,
116 NTSTATUS (*unwrap)(struct gensec_security *gensec_security,
120 NTSTATUS (*wrap_packets)(struct gensec_security *gensec_security,
124 size_t *len_processed);
125 NTSTATUS (*unwrap_packets)(struct gensec_security *gensec_security,
129 size_t *len_processed);
130 NTSTATUS (*packet_full_request)(struct gensec_security *gensec_security,
131 DATA_BLOB blob, size_t *size);
132 NTSTATUS (*session_key)(struct gensec_security *gensec_security, DATA_BLOB *session_key);
133 NTSTATUS (*session_info)(struct gensec_security *gensec_security,
134 struct auth_session_info **session_info);
135 bool (*have_feature)(struct gensec_security *gensec_security,
139 enum gensec_priority priority;
142 struct gensec_security_ops_wrapper {
143 const struct gensec_security_ops *op;
147 #define GENSEC_INTERFACE_VERSION 0
149 struct gensec_security {
150 const struct gensec_security_ops *ops;
152 struct cli_credentials *credentials;
153 struct gensec_target target;
154 enum gensec_role gensec_role;
156 uint32_t want_features;
157 struct event_context *event_ctx;
158 struct messaging_context *msg_ctx; /* only valid as server */
159 struct socket_address *my_addr, *peer_addr;
162 /* this structure is used by backends to determine the size of some critical types */
163 struct gensec_critical_sizes {
164 int interface_version;
165 int sizeof_gensec_security_ops;
166 int sizeof_gensec_security;
169 #include "auth/gensec/gensec_proto.h"
171 #endif /* __GENSEC_H__ */