4 Unix SMB/CIFS implementation.
5 Standardised Authentication types
6 Copyright (C) Andrew Bartlett 2001
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 struct auth_usersupplied_info {
25 DATA_BLOB lm_interactive_pwd;
26 DATA_BLOB nt_interactive_pwd;
27 DATA_BLOB plaintext_password;
31 bool was_mapped; /* Did the username map actually match? */
32 char *client_domain; /* domain name string */
33 char *domain; /* domain name after mapping */
34 char *internal_username; /* username after mapping */
35 char *smb_name; /* username before mapping */
36 const char *workstation_name; /* workstation name (netbios calling
37 * name) unicode string */
39 uint32 logon_parameters;
43 struct extra_auth_info {
44 struct dom_sid user_sid;
45 struct dom_sid pgid_sid;
48 struct auth_serversupplied_info {
52 struct dom_sid *sids; /* These SIDs are preliminary between
53 check_ntlm_password and the token creation. */
56 struct unix_user_token utok;
58 /* NT group information taken from the info3 structure */
62 /* This is the final session key, as used by SMB signing, and
63 * (truncated to 16 bytes) encryption on the SAMR and LSA pipes
65 * It is calculated by NTLMSSP from the session key in the info3,
66 * and is set from the Kerberos session key using
67 * krb5_auth_con_getremotesubkey().
69 * Bootom line, it is not the same as the session keys in info3.
72 DATA_BLOB user_session_key;
73 DATA_BLOB lm_session_key;
75 struct netr_SamInfo3 *info3;
77 /* this structure is filled *only* in pathological cases where the user
78 * sid or the primary group sid are not sids of the domain. Normally
79 * this happens only for unix accounts that have unix domain sids.
80 * This is checked only when info3.rid and/or info3.primary_gid are set
81 * to the special invalid value of 0xFFFFFFFF */
82 struct extra_auth_info extra;
87 * This is a token from /etc/passwd and /etc/group
94 * For performance reasons we keep an alpha_strcpy-sanitized version
95 * of the username around as long as the global variable current_user
96 * still exists. If we did not do keep this, we'd have to call
97 * alpha_strcpy whenever we do a become_user(), potentially on every
98 * smb request. See set_current_user_info.
100 char *sanitized_username;
103 struct auth_context {
106 /* Who set this up in the first place? */
107 const char *challenge_set_by;
109 bool challenge_may_be_modified;
111 struct auth_methods *challenge_set_method;
112 /* What order are the various methods in? Try to stop it changing under us */
113 struct auth_methods *auth_method_list;
115 NTSTATUS (*get_ntlm_challenge)(struct auth_context *auth_context,
117 NTSTATUS (*check_ntlm_password)(const struct auth_context *auth_context,
118 const struct auth_usersupplied_info *user_info,
119 struct auth_serversupplied_info **server_info);
120 NTSTATUS (*nt_status_squash)(NTSTATUS nt_status);
121 void (*free)(struct auth_context **auth_context);
124 typedef struct auth_methods
126 struct auth_methods *prev, *next;
127 const char *name; /* What name got this module */
129 NTSTATUS (*auth)(const struct auth_context *auth_context,
130 void *my_private_data,
132 const struct auth_usersupplied_info *user_info,
133 struct auth_serversupplied_info **server_info);
135 /* If you are using this interface, then you are probably
136 * getting something wrong. This interface is only for
137 * security=server, and makes a number of compromises to allow
138 * that. It is not compatible with being a PDC. */
139 DATA_BLOB (*get_chal)(const struct auth_context *auth_context,
140 void **my_private_data,
141 TALLOC_CTX *mem_ctx);
143 /* Used to keep tabs on things like the cli for SMB server authentication */
148 typedef NTSTATUS (*auth_init_function)(struct auth_context *, const char *, struct auth_methods **);
150 struct auth_init_function_entry {
152 /* Function to create a member of the authmethods list */
154 auth_init_function init;
156 struct auth_init_function_entry *prev, *next;
159 struct auth_ntlmssp_state;
161 /* Changed from 1 -> 2 to add the logon_parameters field. */
162 #define AUTH_INTERFACE_VERSION 2
164 #endif /* _SMBAUTH_H_ */