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 struct winbindd_fd_event
{
43 struct winbindd_fd_event
*next
, *prev
;
45 int flags
; /* see EVENT_FD_* flags */
46 void (*handler
)(struct winbindd_fd_event
*fde
, int flags
);
49 void (*finished
)(void *private_data
, bool success
);
58 enum lsa_SidType type
;
61 struct winbindd_cli_state
{
62 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
63 int sock
; /* Open socket from client */
64 struct winbindd_fd_event fd_event
;
65 pid_t pid
; /* pid of client */
66 bool finished
; /* Can delete from list */
67 bool write_extra_data
; /* Write extra_data field */
68 time_t last_access
; /* Time of last access (read or write) */
69 bool privileged
; /* Is the client 'privileged' */
71 TALLOC_CTX
*mem_ctx
; /* memory per request */
72 struct winbindd_request request
; /* Request from client */
73 struct winbindd_response response
; /* Respose to client */
74 bool getpwent_initialized
; /* Has getpwent_state been
76 bool getgrent_initialized
; /* Has getgrent_state been
78 struct getent_state
*getpwent_state
; /* State for getpwent() */
79 struct getent_state
*getgrent_state
; /* State for getgrent() */
82 /* State between get{pw,gr}ent() calls */
85 struct getent_state
*prev
, *next
;
87 uint32 sam_entry_index
, num_sam_entries
;
92 /* Storage for cached getpwent() user entries */
94 struct getpwent_user
{
95 fstring name
; /* Account name */
96 fstring gecos
; /* User information */
97 fstring homedir
; /* User Home Directory */
98 fstring shell
; /* User Login Shell */
99 DOM_SID user_sid
; /* NT user and primary group SIDs */
103 /* Server state structure */
110 gid_t primary_gid
; /* allow the nss_info
111 backend to set the primary group */
112 DOM_SID user_sid
; /* NT user and primary group SIDs */
116 /* Our connection to the DC */
118 struct winbindd_cm_conn
{
119 struct cli_state
*cli
;
121 struct rpc_pipe_client
*samr_pipe
;
122 struct policy_handle sam_connect_handle
, sam_domain_handle
;
124 struct rpc_pipe_client
*lsa_pipe
;
125 struct policy_handle lsa_policy
;
127 struct rpc_pipe_client
*netlogon_pipe
;
130 struct winbindd_async_request
;
134 struct winbindd_domain
;
136 struct winbindd_child_dispatch_table
{
138 enum winbindd_cmd struct_cmd
;
139 enum winbindd_result (*struct_fn
)(struct winbindd_domain
*domain
,
140 struct winbindd_cli_state
*state
);
143 struct winbindd_child
{
144 struct winbindd_child
*next
, *prev
;
147 struct winbindd_domain
*domain
;
150 struct winbindd_fd_event event
;
151 struct timed_event
*lockout_policy_event
;
152 struct timed_event
*machine_password_change_event
;
153 struct winbindd_async_request
*requests
;
155 const struct winbindd_child_dispatch_table
*table
;
158 /* Structures to hold per domain information */
160 struct winbindd_domain
{
161 fstring name
; /* Domain name (NetBIOS) */
162 fstring alt_name
; /* alt Domain name, if any (FQDN for ADS) */
163 fstring forest_name
; /* Name of the AD forest we're in */
164 DOM_SID sid
; /* SID for this domain */
165 uint32 domain_flags
; /* Domain flags from netlogon.h */
166 uint32 domain_type
; /* Domain type from netlogon.h */
167 uint32 domain_trust_attribs
; /* Trust attribs from netlogon.h */
168 bool initialized
; /* Did we already ask for the domain mode? */
169 bool native_mode
; /* is this a win2k domain in native mode ? */
170 bool active_directory
; /* is this a win2k active directory ? */
171 bool primary
; /* is this our primary domain ? */
172 bool internal
; /* BUILTIN and member SAM */
173 bool online
; /* is this domain available ? */
174 time_t startup_time
; /* When we set "startup" true. */
175 bool startup
; /* are we in the first 30 seconds after startup_time ? */
177 bool can_do_samlogon_ex
; /* Due to the lack of finer control what type
178 * of DC we have, let us try to do a
179 * credential-chain less samlogon_ex call
180 * with AD and schannel. If this fails with
181 * DCERPC_FAULT_OP_RNG_ERROR, then set this
182 * to False. This variable is around so that
183 * we don't have to try _ex every time. */
185 /* Lookup methods for this domain (LDAP or RPC) */
186 struct winbindd_methods
*methods
;
188 /* the backend methods are used by the cache layer to find the right
190 struct winbindd_methods
*backend
;
192 /* Private data for the backends (used for connection cache) */
197 * idmap config settings, used to tell the idmap child which
198 * special domain config to use for a mapping
200 bool have_idmap_config
;
201 uint32_t id_range_low
, id_range_high
;
204 pid_t dc_probe_pid
; /* Child we're using to detect the DC. */
206 struct sockaddr_storage dcaddr
;
208 /* Sequence number stuff */
210 time_t last_seq_check
;
211 uint32 sequence_number
;
212 NTSTATUS last_status
;
214 /* The smb connection */
216 struct winbindd_cm_conn conn
;
218 /* The child pid we're talking to */
220 struct winbindd_child child
;
222 /* Callback we use to try put us back online. */
224 uint32 check_online_timeout
;
225 struct timed_event
*check_online_event
;
227 /* Linked list info */
229 struct winbindd_domain
*prev
, *next
;
232 /* per-domain methods. This is how LDAP vs RPC is selected
234 struct winbindd_methods
{
235 /* does this backend provide a consistent view of the data? (ie. is the primary group
239 /* get a list of users, returning a WINBIND_USERINFO for each one */
240 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
243 WINBIND_USERINFO
**info
);
245 /* get a list of domain groups */
246 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
249 struct acct_info
**info
);
251 /* get a list of domain local groups */
252 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
255 struct acct_info
**info
);
257 /* convert one user or group name to a sid */
258 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
260 enum winbindd_cmd orig_cmd
,
261 const char *domain_name
,
264 enum lsa_SidType
*type
);
266 /* convert a sid to a user or group name */
267 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
272 enum lsa_SidType
*type
);
274 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
276 const DOM_SID
*domain_sid
,
281 enum lsa_SidType
**types
);
283 /* lookup user info for a given SID */
284 NTSTATUS (*query_user
)(struct winbindd_domain
*domain
,
286 const DOM_SID
*user_sid
,
287 WINBIND_USERINFO
*user_info
);
289 /* lookup all groups that a user is a member of. The backend
290 can also choose to lookup by username or rid for this
292 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
294 const DOM_SID
*user_sid
,
295 uint32
*num_groups
, DOM_SID
**user_gids
);
297 /* Lookup all aliases that the sids delivered are member of. This is
298 * to implement 'domain local groups' correctly */
299 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
304 uint32
**alias_rids
);
306 /* find all members of the group with the specified group_rid */
307 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
309 const DOM_SID
*group_sid
,
311 DOM_SID
**sid_mem
, char ***names
,
312 uint32
**name_types
);
314 /* return the current global sequence number */
315 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32
*seq
);
317 /* return the lockout policy */
318 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
320 struct samr_DomInfo12
*lockout_policy
);
322 /* return the lockout policy */
323 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
325 struct samr_DomInfo1
*password_policy
);
327 /* enumerate trusted domains */
328 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
336 /* Filled out by IDMAP backends */
337 struct winbindd_idmap_methods
{
338 /* Called when backend is first loaded */
341 bool (*get_sid_from_uid
)(uid_t uid
, DOM_SID
*sid
);
342 bool (*get_sid_from_gid
)(gid_t gid
, DOM_SID
*sid
);
344 bool (*get_uid_from_sid
)(DOM_SID
*sid
, uid_t
*uid
);
345 bool (*get_gid_from_sid
)(DOM_SID
*sid
, gid_t
*gid
);
347 /* Called when backend is unloaded */
349 /* Called to dump backend status */
350 void (*status
)(void);
353 /* Data structures for dealing with the trusted domain cache */
355 struct winbindd_tdc_domain
{
356 const char *domain_name
;
357 const char *dns_name
;
360 uint32 trust_attribs
;
364 /* Switch for listing users or groups */
370 struct WINBINDD_MEMORY_CREDS
{
371 struct WINBINDD_MEMORY_CREDS
*next
, *prev
;
372 const char *username
; /* lookup key. */
376 uint8_t *nt_hash
; /* Base pointer for the following 2 */
381 struct WINBINDD_CCACHE_ENTRY
{
382 struct WINBINDD_CCACHE_ENTRY
*next
, *prev
;
383 const char *principal_name
;
386 const char *username
;
388 struct WINBINDD_MEMORY_CREDS
*cred_ptr
;
394 struct timed_event
*event
;
397 #include "winbindd/winbindd_proto.h"
399 #define WINBINDD_ESTABLISH_LOOP 30
400 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
401 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
402 #define DOM_SEQUENCE_NONE ((uint32)-1)
404 #define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
405 ( get_global_winbindd_state_offline() \
407 #define IS_DOMAIN_ONLINE(x) (!IS_DOMAIN_OFFLINE(x))
409 #endif /* _WINBINDD_H */