2 Unix SMB/CIFS implementation.
3 Standardised Authentication types
4 Copyright (C) Andrew Bartlett 2001
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /* modules can use the following to determine if the interface has changed
25 * please increment the version number after each interface change
26 * with a comment and maybe update struct auth_critical_sizes.
28 /* version 1 - version from samba 3.0 - metze */
29 /* version 2 - initial samba4 version - metze */
30 /* version 3 - subsequent samba4 version - abartlet */
31 #define AUTH_INTERFACE_VERSION 3
33 /* AUTH_STR - string */
34 typedef struct auth_str
40 typedef struct auth_usersupplied_info
45 DATA_BLOB lm_interactive_pwd;
46 DATA_BLOB nt_interactive_pwd;
47 DATA_BLOB plaintext_password;
51 AUTH_STR client_domain; /* domain name string */
52 AUTH_STR domain; /* domain name after mapping */
53 AUTH_STR internal_username; /* username after mapping */
54 AUTH_STR smb_name; /* username before mapping */
55 AUTH_STR wksta_name; /* workstation name (netbios calling name) unicode string */
57 } auth_usersupplied_info;
59 #define SAM_FILL_NAME 0x01
60 #define SAM_FILL_INFO3 0x02
61 #define SAM_FILL_SAM 0x04
62 #define SAM_FILL_UNIX 0x08
63 #define SAM_FILL_ALL (SAM_FILL_NAME | SAM_FILL_INFO3 | SAM_FILL_SAM | SAM_FILL_UNIX)
65 typedef struct auth_serversupplied_info
69 /* This groups info is needed for when we become_user() for this uid */
73 /* NT group information taken from the info3 structure */
77 DATA_BLOB user_session_key;
78 DATA_BLOB lm_session_key;
80 uint32 sam_fill_level; /* How far is this structure filled? */
82 SAM_ACCOUNT *sam_account;
85 } auth_serversupplied_info;
90 /* Who set this up in the first place? */
91 const char *challenge_set_by;
93 BOOL challenge_may_be_modified;
95 struct auth_methods *challenge_set_method;
96 /* What order are the various methods in? Try to stop it changing under us */
97 struct auth_methods *auth_method_list;
100 const uint8 *(*get_ntlm_challenge)(struct auth_context *auth_context);
101 NTSTATUS (*check_ntlm_password)(const struct auth_context *auth_context,
102 const struct auth_usersupplied_info *user_info,
103 struct auth_serversupplied_info **server_info);
104 NTSTATUS (*nt_status_squash)(NTSTATUS nt_status);
105 void (*free)(struct auth_context **auth_context);
108 typedef struct auth_methods
110 struct auth_methods *prev, *next;
111 const char *name; /* What name got this module */
113 NTSTATUS (*auth)(const struct auth_context *auth_context,
114 void *my_private_data,
116 const struct auth_usersupplied_info *user_info,
117 auth_serversupplied_info **server_info);
119 DATA_BLOB (*get_chal)(const struct auth_context *auth_context,
120 void **my_private_data,
121 TALLOC_CTX *mem_ctx);
123 /* Used to keep tabs on things like the cli for SMB server authentication */
126 /* Function to clean up the above arbitary structure */
127 void (*free_private_data)(void **private_data);
129 /* Function to send a keepalive message on the above structure */
130 void (*send_keepalive)(void **private_data);
134 typedef NTSTATUS (*auth_init_function)(struct auth_context *, const char *, struct auth_methods **);
136 struct auth_init_function_entry {
138 /* Function to create a member of the authmethods list */
140 auth_init_function init;
142 struct auth_init_function_entry *prev, *next;
145 typedef struct auth_ntlmssp_state
148 struct auth_context *auth_context;
149 struct auth_serversupplied_info *server_info;
150 struct ntlmssp_state *ntlmssp_state;
151 } AUTH_NTLMSSP_STATE;
153 #define auth_ops __XXX_ERROR_BLA
154 struct auth_operations {
155 /* the name of the backend */
158 /* Function to create a member of the authmethods list */
159 NTSTATUS (*init)(struct auth_context *, const char *, struct auth_methods **);
162 /* this structure is used by backends to determine the size of some critical types */
163 struct auth_critical_sizes {
164 int interface_version;
165 int sizeof_auth_operations;
166 int sizeof_auth_methods;
167 int sizeof_auth_context;
168 int sizeof_auth_ntlmssp_state;
169 int sizeof_auth_usersupplied_info;
170 int sizeof_auth_serversupplied_info;
172 int sizeof_auth_unistr;
175 #endif /* _SMBAUTH_H_ */