2 Unix SMB/CIFS implementation.
4 Winbind daemon for ntdom nss module
6 Copyright (C) Tim Potter 2000
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Library General Public
11 License as published by the Free Software Foundation; either
12 version 2 of the License, or (at your option) any later version.
14 This library 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 GNU
17 Library General Public License for more details.
19 You should have received a copy of the GNU Library General Public
20 License along with this library; if not, write to the
21 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA.
30 #include "winbindd_nss.h"
36 #ifdef HAVE_SYS_MMAN_H
41 #define DBGC_CLASS DBGC_WINBIND
43 /* bits for fd_event.flags */
44 #define EVENT_FD_READ 1
45 #define EVENT_FD_WRITE 2
48 struct fd_event
*next
, *prev
;
50 int flags
; /* see EVENT_FD_* flags */
51 void (*handler
)(struct fd_event
*fde
, int flags
);
54 void (*finished
)(void *private_data
, BOOL success
);
63 enum lsa_SidType type
;
66 struct winbindd_cli_state
{
67 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
68 int sock
; /* Open socket from client */
69 struct fd_event fd_event
;
70 pid_t pid
; /* pid of client */
71 BOOL finished
; /* Can delete from list */
72 BOOL write_extra_data
; /* Write extra_data field */
73 time_t last_access
; /* Time of last access (read or write) */
74 BOOL privileged
; /* Is the client 'privileged' */
76 TALLOC_CTX
*mem_ctx
; /* memory per request */
77 struct winbindd_request request
; /* Request from client */
78 struct winbindd_response response
; /* Respose to client */
79 BOOL getpwent_initialized
; /* Has getpwent_state been
81 BOOL getgrent_initialized
; /* Has getgrent_state been
83 struct getent_state
*getpwent_state
; /* State for getpwent() */
84 struct getent_state
*getgrent_state
; /* State for getgrent() */
87 /* State between get{pw,gr}ent() calls */
90 struct getent_state
*prev
, *next
;
92 uint32 sam_entry_index
, num_sam_entries
;
97 /* Storage for cached getpwent() user entries */
99 struct getpwent_user
{
100 fstring name
; /* Account name */
101 fstring gecos
; /* User information */
102 fstring homedir
; /* User Home Directory */
103 fstring shell
; /* User Login Shell */
104 DOM_SID user_sid
; /* NT user and primary group SIDs */
108 /* Server state structure */
115 gid_t primary_gid
; /* allow the nss_info
116 backend to set the primary group */
117 DOM_SID user_sid
; /* NT user and primary group SIDs */
121 /* Our connection to the DC */
123 struct winbindd_cm_conn
{
124 struct cli_state
*cli
;
126 struct rpc_pipe_client
*samr_pipe
;
127 POLICY_HND sam_connect_handle
, sam_domain_handle
;
129 struct rpc_pipe_client
*lsa_pipe
;
130 POLICY_HND lsa_policy
;
132 struct rpc_pipe_client
*netlogon_pipe
;
135 struct winbindd_async_request
;
139 struct winbindd_child
{
140 struct winbindd_child
*next
, *prev
;
143 struct winbindd_domain
*domain
;
146 struct fd_event event
;
147 struct timed_event
*lockout_policy_event
;
148 struct winbindd_async_request
*requests
;
151 /* Structures to hold per domain information */
153 struct winbindd_domain
{
154 fstring name
; /* Domain name */
155 fstring alt_name
; /* alt Domain name (if any) */
156 fstring forest_name
; /* Name of the AD forest we're in */
157 DOM_SID sid
; /* SID for this domain */
158 BOOL initialized
; /* Did we already ask for the domain mode? */
159 BOOL native_mode
; /* is this a win2k domain in native mode ? */
160 BOOL active_directory
; /* is this a win2k active directory ? */
161 BOOL primary
; /* is this our primary domain ? */
162 BOOL internal
; /* BUILTIN and member SAM */
163 BOOL online
; /* is this domain available ? */
164 time_t startup_time
; /* When we set "startup" true. */
165 BOOL startup
; /* are we in the first 30 seconds after startup_time ? */
167 /* Lookup methods for this domain (LDAP or RPC) */
168 struct winbindd_methods
*methods
;
170 /* the backend methods are used by the cache layer to find the right
172 struct winbindd_methods
*backend
;
174 /* Private data for the backends (used for connection cache) */
180 struct sockaddr_in dcaddr
;
182 /* Sequence number stuff */
184 time_t last_seq_check
;
185 uint32 sequence_number
;
186 NTSTATUS last_status
;
188 /* The smb connection */
190 struct winbindd_cm_conn conn
;
192 /* The child pid we're talking to */
194 struct winbindd_child child
;
196 /* Callback we use to try put us back online. */
198 uint32 check_online_timeout
;
199 struct timed_event
*check_online_event
;
201 /* Linked list info */
203 struct winbindd_domain
*prev
, *next
;
206 /* per-domain methods. This is how LDAP vs RPC is selected
208 struct winbindd_methods
{
209 /* does this backend provide a consistent view of the data? (ie. is the primary group
213 /* get a list of users, returning a WINBIND_USERINFO for each one */
214 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
217 WINBIND_USERINFO
**info
);
219 /* get a list of domain groups */
220 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
223 struct acct_info
**info
);
225 /* get a list of domain local groups */
226 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
229 struct acct_info
**info
);
231 /* convert one user or group name to a sid */
232 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
234 const char *domain_name
,
237 enum lsa_SidType
*type
);
239 /* convert a sid to a user or group name */
240 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
245 enum lsa_SidType
*type
);
247 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
249 const DOM_SID
*domain_sid
,
254 enum lsa_SidType
**types
);
256 /* lookup user info for a given SID */
257 NTSTATUS (*query_user
)(struct winbindd_domain
*domain
,
259 const DOM_SID
*user_sid
,
260 WINBIND_USERINFO
*user_info
);
262 /* lookup all groups that a user is a member of. The backend
263 can also choose to lookup by username or rid for this
265 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
267 const DOM_SID
*user_sid
,
268 uint32
*num_groups
, DOM_SID
**user_gids
);
270 /* Lookup all aliases that the sids delivered are member of. This is
271 * to implement 'domain local groups' correctly */
272 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
277 uint32
**alias_rids
);
279 /* find all members of the group with the specified group_rid */
280 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
282 const DOM_SID
*group_sid
,
284 DOM_SID
**sid_mem
, char ***names
,
285 uint32
**name_types
);
287 /* return the current global sequence number */
288 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32
*seq
);
290 /* return the lockout policy */
291 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
293 SAM_UNK_INFO_12
*lockout_policy
);
295 /* return the lockout policy */
296 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
298 SAM_UNK_INFO_1
*password_policy
);
300 /* enumerate trusted domains */
301 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
309 /* Used to glue a policy handle and cli_state together */
312 struct cli_state
*cli
;
316 /* Filled out by IDMAP backends */
317 struct winbindd_idmap_methods
{
318 /* Called when backend is first loaded */
321 BOOL (*get_sid_from_uid
)(uid_t uid
, DOM_SID
*sid
);
322 BOOL (*get_sid_from_gid
)(gid_t gid
, DOM_SID
*sid
);
324 BOOL (*get_uid_from_sid
)(DOM_SID
*sid
, uid_t
*uid
);
325 BOOL (*get_gid_from_sid
)(DOM_SID
*sid
, gid_t
*gid
);
327 /* Called when backend is unloaded */
329 /* Called to dump backend status */
330 void (*status
)(void);
333 #include "nsswitch/winbindd_proto.h"
335 #define WINBINDD_ESTABLISH_LOOP 30
336 #define WINBINDD_RESCAN_FREQ 300
337 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
338 #define DOM_SEQUENCE_NONE ((uint32)-1)
340 #endif /* _WINBINDD_H */