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"
27 #include "nsswitch/libwbclient/wbclient.h"
33 #ifdef HAVE_SYS_MMAN_H
38 #define DBGC_CLASS DBGC_WINBIND
40 #define WB_REPLACE_CHAR '_'
42 /* bits for fd_event.flags */
43 #define EVENT_FD_READ 1
44 #define EVENT_FD_WRITE 2
47 struct fd_event
*next
, *prev
;
49 int flags
; /* see EVENT_FD_* flags */
50 void (*handler
)(struct fd_event
*fde
, int flags
);
53 void (*finished
)(void *private_data
, bool success
);
62 enum lsa_SidType type
;
65 struct winbindd_cli_state
{
66 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
67 int sock
; /* Open socket from client */
68 struct fd_event fd_event
;
69 pid_t pid
; /* pid of client */
70 bool finished
; /* Can delete from list */
71 bool write_extra_data
; /* Write extra_data field */
72 time_t last_access
; /* Time of last access (read or write) */
73 bool privileged
; /* Is the client 'privileged' */
75 TALLOC_CTX
*mem_ctx
; /* memory per request */
76 struct winbindd_request request
; /* Request from client */
77 struct winbindd_response response
; /* Respose to client */
78 bool getpwent_initialized
; /* Has getpwent_state been
80 bool getgrent_initialized
; /* Has getgrent_state been
82 struct getent_state
*getpwent_state
; /* State for getpwent() */
83 struct getent_state
*getgrent_state
; /* State for getgrent() */
86 /* State between get{pw,gr}ent() calls */
89 struct getent_state
*prev
, *next
;
91 uint32 sam_entry_index
, num_sam_entries
;
96 /* Storage for cached getpwent() user entries */
98 struct getpwent_user
{
99 fstring name
; /* Account name */
100 fstring gecos
; /* User information */
101 fstring homedir
; /* User Home Directory */
102 fstring shell
; /* User Login Shell */
103 DOM_SID user_sid
; /* NT user and primary group SIDs */
107 /* Server state structure */
114 gid_t primary_gid
; /* allow the nss_info
115 backend to set the primary group */
116 DOM_SID user_sid
; /* NT user and primary group SIDs */
120 /* Our connection to the DC */
122 struct winbindd_cm_conn
{
123 struct cli_state
*cli
;
125 struct rpc_pipe_client
*samr_pipe
;
126 POLICY_HND sam_connect_handle
, sam_domain_handle
;
128 struct rpc_pipe_client
*lsa_pipe
;
129 POLICY_HND lsa_policy
;
131 struct rpc_pipe_client
*netlogon_pipe
;
134 struct winbindd_async_request
;
138 struct winbindd_domain
;
140 struct winbindd_child_dispatch_table
{
142 enum winbindd_cmd struct_cmd
;
143 enum winbindd_result (*struct_fn
)(struct winbindd_domain
*domain
,
144 struct winbindd_cli_state
*state
);
147 struct winbindd_child
{
148 struct winbindd_child
*next
, *prev
;
151 struct winbindd_domain
*domain
;
154 struct fd_event event
;
155 struct timed_event
*lockout_policy_event
;
156 struct timed_event
*machine_password_change_event
;
157 struct winbindd_async_request
*requests
;
159 const struct winbindd_child_dispatch_table
*table
;
162 /* Structures to hold per domain information */
164 struct winbindd_domain
{
165 fstring name
; /* Domain name (NetBIOS) */
166 fstring alt_name
; /* alt Domain name, if any (FQDN for ADS) */
167 fstring forest_name
; /* Name of the AD forest we're in */
168 DOM_SID sid
; /* SID for this domain */
169 uint32 domain_flags
; /* Domain flags from netlogon.h */
170 uint32 domain_type
; /* Domain type from netlogon.h */
171 uint32 domain_trust_attribs
; /* Trust attribs from netlogon.h */
172 bool initialized
; /* Did we already ask for the domain mode? */
173 bool native_mode
; /* is this a win2k domain in native mode ? */
174 bool active_directory
; /* is this a win2k active directory ? */
175 bool primary
; /* is this our primary domain ? */
176 bool internal
; /* BUILTIN and member SAM */
177 bool online
; /* is this domain available ? */
178 time_t startup_time
; /* When we set "startup" true. */
179 bool startup
; /* are we in the first 30 seconds after startup_time ? */
181 bool can_do_samlogon_ex
; /* Due to the lack of finer control what type
182 * of DC we have, let us try to do a
183 * credential-chain less samlogon_ex call
184 * with AD and schannel. If this fails with
185 * DCERPC_FAULT_OP_RNG_ERROR, then set this
186 * to False. This variable is around so that
187 * we don't have to try _ex every time. */
189 /* Lookup methods for this domain (LDAP or RPC) */
190 struct winbindd_methods
*methods
;
192 /* the backend methods are used by the cache layer to find the right
194 struct winbindd_methods
*backend
;
196 /* Private data for the backends (used for connection cache) */
201 * idmap config settings, used to tell the idmap child which
202 * special domain config to use for a mapping
204 bool have_idmap_config
;
205 uint32_t id_range_low
, id_range_high
;
208 pid_t dc_probe_pid
; /* Child we're using to detect the DC. */
210 struct sockaddr_storage dcaddr
;
212 /* Sequence number stuff */
214 time_t last_seq_check
;
215 uint32 sequence_number
;
216 NTSTATUS last_status
;
218 /* The smb connection */
220 struct winbindd_cm_conn conn
;
222 /* The child pid we're talking to */
224 struct winbindd_child child
;
226 /* Callback we use to try put us back online. */
228 uint32 check_online_timeout
;
229 struct timed_event
*check_online_event
;
231 /* Linked list info */
233 struct winbindd_domain
*prev
, *next
;
236 /* per-domain methods. This is how LDAP vs RPC is selected
238 struct winbindd_methods
{
239 /* does this backend provide a consistent view of the data? (ie. is the primary group
243 /* get a list of users, returning a WINBIND_USERINFO for each one */
244 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
247 WINBIND_USERINFO
**info
);
249 /* get a list of domain groups */
250 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
253 struct acct_info
**info
);
255 /* get a list of domain local groups */
256 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
259 struct acct_info
**info
);
261 /* convert one user or group name to a sid */
262 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
264 enum winbindd_cmd orig_cmd
,
265 const char *domain_name
,
268 enum lsa_SidType
*type
);
270 /* convert a sid to a user or group name */
271 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
276 enum lsa_SidType
*type
);
278 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
280 const DOM_SID
*domain_sid
,
285 enum lsa_SidType
**types
);
287 /* lookup user info for a given SID */
288 NTSTATUS (*query_user
)(struct winbindd_domain
*domain
,
290 const DOM_SID
*user_sid
,
291 WINBIND_USERINFO
*user_info
);
293 /* lookup all groups that a user is a member of. The backend
294 can also choose to lookup by username or rid for this
296 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
298 const DOM_SID
*user_sid
,
299 uint32
*num_groups
, DOM_SID
**user_gids
);
301 /* Lookup all aliases that the sids delivered are member of. This is
302 * to implement 'domain local groups' correctly */
303 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
308 uint32
**alias_rids
);
310 /* find all members of the group with the specified group_rid */
311 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
313 const DOM_SID
*group_sid
,
315 DOM_SID
**sid_mem
, char ***names
,
316 uint32
**name_types
);
318 /* return the current global sequence number */
319 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32
*seq
);
321 /* return the lockout policy */
322 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
324 struct samr_DomInfo12
*lockout_policy
);
326 /* return the lockout policy */
327 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
329 struct samr_DomInfo1
*password_policy
);
331 /* enumerate trusted domains */
332 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
340 /* Used to glue a policy handle and cli_state together */
343 struct cli_state
*cli
;
347 /* Filled out by IDMAP backends */
348 struct winbindd_idmap_methods
{
349 /* Called when backend is first loaded */
352 bool (*get_sid_from_uid
)(uid_t uid
, DOM_SID
*sid
);
353 bool (*get_sid_from_gid
)(gid_t gid
, DOM_SID
*sid
);
355 bool (*get_uid_from_sid
)(DOM_SID
*sid
, uid_t
*uid
);
356 bool (*get_gid_from_sid
)(DOM_SID
*sid
, gid_t
*gid
);
358 /* Called when backend is unloaded */
360 /* Called to dump backend status */
361 void (*status
)(void);
364 /* Data structures for dealing with the trusted domain cache */
366 struct winbindd_tdc_domain
{
367 const char *domain_name
;
368 const char *dns_name
;
371 uint32 trust_attribs
;
375 /* Switch for listing users or groups */
381 #include "winbindd/winbindd_proto.h"
383 #define WINBINDD_ESTABLISH_LOOP 30
384 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
385 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
386 #define DOM_SEQUENCE_NONE ((uint32)-1)
388 #define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
389 ( get_global_winbindd_state_offline() \
391 #define IS_DOMAIN_ONLINE(x) (!IS_DOMAIN_OFFLINE(x))
393 #endif /* _WINBINDD_H */