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 Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 3 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 Lesser General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 #include "nsswitch/winbind_struct_protocol.h"
32 #ifdef HAVE_SYS_MMAN_H
37 #define DBGC_CLASS DBGC_WINBIND
39 #define WB_REPLACE_CHAR '_'
41 /* bits for fd_event.flags */
42 #define EVENT_FD_READ 1
43 #define EVENT_FD_WRITE 2
46 struct fd_event
*next
, *prev
;
48 int flags
; /* see EVENT_FD_* flags */
49 void (*handler
)(struct fd_event
*fde
, int flags
);
52 void (*finished
)(void *private_data
, bool success
);
61 enum lsa_SidType type
;
64 struct winbindd_cli_state
{
65 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
66 int sock
; /* Open socket from client */
67 struct fd_event fd_event
;
68 pid_t pid
; /* pid of client */
69 bool finished
; /* Can delete from list */
70 bool write_extra_data
; /* Write extra_data field */
71 time_t last_access
; /* Time of last access (read or write) */
72 bool privileged
; /* Is the client 'privileged' */
74 TALLOC_CTX
*mem_ctx
; /* memory per request */
75 struct winbindd_request request
; /* Request from client */
76 struct winbindd_response response
; /* Respose to client */
77 bool getpwent_initialized
; /* Has getpwent_state been
79 bool getgrent_initialized
; /* Has getgrent_state been
81 struct getent_state
*getpwent_state
; /* State for getpwent() */
82 struct getent_state
*getgrent_state
; /* State for getgrent() */
85 /* State between get{pw,gr}ent() calls */
88 struct getent_state
*prev
, *next
;
90 uint32 sam_entry_index
, num_sam_entries
;
95 /* Storage for cached getpwent() user entries */
97 struct getpwent_user
{
98 fstring name
; /* Account name */
99 fstring gecos
; /* User information */
100 fstring homedir
; /* User Home Directory */
101 fstring shell
; /* User Login Shell */
102 DOM_SID user_sid
; /* NT user and primary group SIDs */
106 /* Server state structure */
113 gid_t primary_gid
; /* allow the nss_info
114 backend to set the primary group */
115 DOM_SID user_sid
; /* NT user and primary group SIDs */
119 /* Our connection to the DC */
121 struct winbindd_cm_conn
{
122 struct cli_state
*cli
;
124 struct rpc_pipe_client
*samr_pipe
;
125 POLICY_HND sam_connect_handle
, sam_domain_handle
;
127 struct rpc_pipe_client
*lsa_pipe
;
128 POLICY_HND lsa_policy
;
130 struct rpc_pipe_client
*netlogon_pipe
;
133 struct winbindd_async_request
;
137 struct winbindd_domain
;
139 struct winbindd_child_dispatch_table
{
141 enum winbindd_cmd struct_cmd
;
142 enum winbindd_result (*struct_fn
)(struct winbindd_domain
*domain
,
143 struct winbindd_cli_state
*state
);
146 struct winbindd_child
{
147 struct winbindd_child
*next
, *prev
;
150 struct winbindd_domain
*domain
;
153 struct fd_event event
;
154 struct timed_event
*lockout_policy_event
;
155 struct winbindd_async_request
*requests
;
157 const struct winbindd_child_dispatch_table
*table
;
160 /* Structures to hold per domain information */
162 struct winbindd_domain
{
163 fstring name
; /* Domain name (NetBIOS) */
164 fstring alt_name
; /* alt Domain name, if any (FQDN for ADS) */
165 fstring forest_name
; /* Name of the AD forest we're in */
166 DOM_SID sid
; /* SID for this domain */
167 uint32 domain_flags
; /* Domain flags from netlogon.h */
168 uint32 domain_type
; /* Domain type from netlogon.h */
169 uint32 domain_trust_attribs
; /* Trust attribs from netlogon.h */
170 bool initialized
; /* Did we already ask for the domain mode? */
171 bool native_mode
; /* is this a win2k domain in native mode ? */
172 bool active_directory
; /* is this a win2k active directory ? */
173 bool primary
; /* is this our primary domain ? */
174 bool internal
; /* BUILTIN and member SAM */
175 bool online
; /* is this domain available ? */
176 time_t startup_time
; /* When we set "startup" true. */
177 bool startup
; /* are we in the first 30 seconds after startup_time ? */
179 bool can_do_samlogon_ex
; /* Due to the lack of finer control what type
180 * of DC we have, let us try to do a
181 * credential-chain less samlogon_ex call
182 * with AD and schannel. If this fails with
183 * DCERPC_FAULT_OP_RNG_ERROR, then set this
184 * to False. This variable is around so that
185 * we don't have to try _ex every time. */
187 /* Lookup methods for this domain (LDAP or RPC) */
188 struct winbindd_methods
*methods
;
190 /* the backend methods are used by the cache layer to find the right
192 struct winbindd_methods
*backend
;
194 /* Private data for the backends (used for connection cache) */
200 struct sockaddr_storage dcaddr
;
202 /* Sequence number stuff */
204 time_t last_seq_check
;
205 uint32 sequence_number
;
206 NTSTATUS last_status
;
208 /* The smb connection */
210 struct winbindd_cm_conn conn
;
212 /* The child pid we're talking to */
214 struct winbindd_child child
;
216 /* Callback we use to try put us back online. */
218 uint32 check_online_timeout
;
219 struct timed_event
*check_online_event
;
221 /* Linked list info */
223 struct winbindd_domain
*prev
, *next
;
226 /* per-domain methods. This is how LDAP vs RPC is selected
228 struct winbindd_methods
{
229 /* does this backend provide a consistent view of the data? (ie. is the primary group
233 /* get a list of users, returning a WINBIND_USERINFO for each one */
234 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
237 WINBIND_USERINFO
**info
);
239 /* get a list of domain groups */
240 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
243 struct acct_info
**info
);
245 /* get a list of domain local groups */
246 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
249 struct acct_info
**info
);
251 /* convert one user or group name to a sid */
252 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
254 enum winbindd_cmd orig_cmd
,
255 const char *domain_name
,
258 enum lsa_SidType
*type
);
260 /* convert a sid to a user or group name */
261 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
266 enum lsa_SidType
*type
);
268 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
270 const DOM_SID
*domain_sid
,
275 enum lsa_SidType
**types
);
277 /* lookup user info for a given SID */
278 NTSTATUS (*query_user
)(struct winbindd_domain
*domain
,
280 const DOM_SID
*user_sid
,
281 WINBIND_USERINFO
*user_info
);
283 /* lookup all groups that a user is a member of. The backend
284 can also choose to lookup by username or rid for this
286 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
288 const DOM_SID
*user_sid
,
289 uint32
*num_groups
, DOM_SID
**user_gids
);
291 /* Lookup all aliases that the sids delivered are member of. This is
292 * to implement 'domain local groups' correctly */
293 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
298 uint32
**alias_rids
);
300 /* find all members of the group with the specified group_rid */
301 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
303 const DOM_SID
*group_sid
,
305 DOM_SID
**sid_mem
, char ***names
,
306 uint32
**name_types
);
308 /* return the current global sequence number */
309 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32
*seq
);
311 /* return the lockout policy */
312 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
314 struct samr_DomInfo12
*lockout_policy
);
316 /* return the lockout policy */
317 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
319 struct samr_DomInfo1
*password_policy
);
321 /* enumerate trusted domains */
322 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
330 /* Used to glue a policy handle and cli_state together */
333 struct cli_state
*cli
;
337 /* Filled out by IDMAP backends */
338 struct winbindd_idmap_methods
{
339 /* Called when backend is first loaded */
342 bool (*get_sid_from_uid
)(uid_t uid
, DOM_SID
*sid
);
343 bool (*get_sid_from_gid
)(gid_t gid
, DOM_SID
*sid
);
345 bool (*get_uid_from_sid
)(DOM_SID
*sid
, uid_t
*uid
);
346 bool (*get_gid_from_sid
)(DOM_SID
*sid
, gid_t
*gid
);
348 /* Called when backend is unloaded */
350 /* Called to dump backend status */
351 void (*status
)(void);
354 /* Data structures for dealing with the trusted domain cache */
356 struct winbindd_tdc_domain
{
357 const char *domain_name
;
358 const char *dns_name
;
361 uint32 trust_attribs
;
366 #include "winbindd/winbindd_proto.h"
368 #define WINBINDD_ESTABLISH_LOOP 30
369 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
370 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
371 #define DOM_SEQUENCE_NONE ((uint32)-1)
373 #define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
374 ( get_global_winbindd_state_offline() \
376 #endif /* _WINBINDD_H */