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"
28 #include "librpc/gen_ndr/dcerpc.h"
29 #include "librpc/gen_ndr/winbind.h"
31 #include "talloc_dict.h"
33 #include "../lib/util/tevent_ntstatus.h"
39 #ifdef HAVE_SYS_MMAN_H
44 #define DBGC_CLASS DBGC_WINBIND
46 #define WB_REPLACE_CHAR '_'
53 enum lsa_SidType type
;
56 struct winbindd_cli_state
{
57 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
58 int sock
; /* Open socket from client */
59 pid_t pid
; /* pid of client */
60 time_t last_access
; /* Time of last access (read or write) */
61 bool privileged
; /* Is the client 'privileged' */
63 TALLOC_CTX
*mem_ctx
; /* memory per request */
65 NTSTATUS (*recv_fn
)(struct tevent_req
*req
,
66 struct winbindd_response
*presp
);
67 struct winbindd_request
*request
; /* Request from client */
68 struct tevent_queue
*out_queue
;
69 struct winbindd_response
*response
; /* Respose to client */
70 struct tevent_req
*io_req
; /* wb_req_read_* or wb_resp_write_* */
72 struct getpwent_state
*pwent_state
; /* State for getpwent() */
73 struct getgrent_state
*grent_state
; /* State for getgrent() */
76 struct getpwent_state
{
77 struct winbindd_domain
*domain
;
80 struct wbint_userinfo
*users
;
83 struct getgrent_state
{
84 struct winbindd_domain
*domain
;
87 struct wbint_Principal
*groups
;
90 /* Storage for cached getpwent() user entries */
92 struct getpwent_user
{
93 fstring name
; /* Account name */
94 fstring gecos
; /* User information */
95 fstring homedir
; /* User Home Directory */
96 fstring shell
; /* User Login Shell */
97 struct dom_sid user_sid
; /* NT user and primary group SIDs */
98 struct dom_sid group_sid
;
101 /* Our connection to the DC */
103 struct winbindd_cm_conn
{
104 struct cli_state
*cli
;
106 enum dcerpc_AuthLevel auth_level
;
108 struct rpc_pipe_client
*samr_pipe
;
109 struct policy_handle sam_connect_handle
, sam_domain_handle
;
111 struct rpc_pipe_client
*lsa_pipe
;
112 struct rpc_pipe_client
*lsa_pipe_tcp
;
113 struct policy_handle lsa_policy
;
115 struct rpc_pipe_client
*netlogon_pipe
;
116 struct netlogon_creds_cli_context
*netlogon_creds
;
117 uint32_t netlogon_flags
;
118 bool netlogon_force_reauth
;
123 struct winbindd_domain
;
125 struct winbindd_child_dispatch_table
{
127 enum winbindd_cmd struct_cmd
;
128 enum winbindd_result (*struct_fn
)(struct winbindd_domain
*domain
,
129 struct winbindd_cli_state
*state
);
132 struct winbindd_child
{
133 struct winbindd_child
*next
, *prev
;
136 struct winbindd_domain
*domain
;
140 struct tevent_queue
*queue
;
141 struct dcerpc_binding_handle
*binding_handle
;
143 struct tevent_timer
*lockout_policy_event
;
144 struct tevent_timer
*machine_password_change_event
;
146 const struct winbindd_child_dispatch_table
*table
;
149 /* Structures to hold per domain information */
151 struct winbindd_domain
{
152 char *name
; /* Domain name (NetBIOS) */
153 char *alt_name
; /* alt Domain name, if any (FQDN for ADS) */
154 char *forest_name
; /* Name of the AD forest we're in */
155 struct dom_sid sid
; /* SID for this domain */
156 uint32_t domain_flags
; /* Domain flags from netlogon.h */
157 uint32_t domain_type
; /* Domain type from netlogon.h */
158 uint32_t domain_trust_attribs
; /* Trust attribs from netlogon.h */
159 bool initialized
; /* Did we already ask for the domain mode? */
160 bool native_mode
; /* is this a win2k domain in native mode ? */
161 bool active_directory
; /* is this a win2k active directory ? */
162 bool primary
; /* is this our primary domain ? */
163 bool internal
; /* BUILTIN and member SAM */
164 bool rodc
; /* Are we an RODC for this AD domain? (do some operations locally) */
165 bool online
; /* is this domain available ? */
166 time_t startup_time
; /* When we set "startup" true. monotonic clock */
167 bool startup
; /* are we in the first 30 seconds after startup_time ? */
169 bool can_do_ncacn_ip_tcp
;
171 /* Lookup methods for this domain (LDAP or RPC) */
172 struct winbindd_methods
*methods
;
174 /* the backend methods are used by the cache layer to find the right
176 struct winbindd_methods
*backend
;
178 /* Private data for the backends (used for connection cache) */
183 pid_t dc_probe_pid
; /* Child we're using to detect the DC. */
185 struct sockaddr_storage dcaddr
;
187 /* Sequence number stuff */
189 time_t last_seq_check
;
190 uint32_t sequence_number
;
191 NTSTATUS last_status
;
193 /* The smb connection */
195 struct winbindd_cm_conn conn
;
197 /* The child pid we're talking to */
199 struct winbindd_child
*children
;
201 /* Callback we use to try put us back online. */
203 uint32_t check_online_timeout
;
204 struct tevent_timer
*check_online_event
;
206 /* Linked list info */
208 struct winbindd_domain
*prev
, *next
;
211 struct wb_acct_info
{
212 fstring acct_name
; /* account name */
213 fstring acct_desc
; /* account name */
214 uint32_t rid
; /* domain-relative RID */
217 /* per-domain methods. This is how LDAP vs RPC is selected
219 struct winbindd_methods
{
220 /* does this backend provide a consistent view of the data? (ie. is the primary group
224 /* get a list of users, returning a wbint_userinfo for each one */
225 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
227 uint32_t *num_entries
,
228 struct wbint_userinfo
**info
);
230 /* get a list of domain groups */
231 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
233 uint32_t *num_entries
,
234 struct wb_acct_info
**info
);
236 /* get a list of domain local groups */
237 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
239 uint32_t *num_entries
,
240 struct wb_acct_info
**info
);
242 /* convert one user or group name to a sid */
243 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
245 const char *domain_name
,
249 enum lsa_SidType
*type
);
251 /* convert a sid to a user or group name */
252 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
254 const struct dom_sid
*sid
,
257 enum lsa_SidType
*type
);
259 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
261 const struct dom_sid
*domain_sid
,
266 enum lsa_SidType
**types
);
268 /* lookup user info for a given SID */
269 NTSTATUS (*query_user
)(struct winbindd_domain
*domain
,
271 const struct dom_sid
*user_sid
,
272 struct wbint_userinfo
*user_info
);
274 /* lookup all groups that a user is a member of. The backend
275 can also choose to lookup by username or rid for this
277 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
279 const struct dom_sid
*user_sid
,
280 uint32_t *num_groups
, struct dom_sid
**user_gids
);
282 /* Lookup all aliases that the sids delivered are member of. This is
283 * to implement 'domain local groups' correctly */
284 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
287 const struct dom_sid
*sids
,
288 uint32_t *num_aliases
,
289 uint32_t **alias_rids
);
291 /* find all members of the group with the specified group_rid */
292 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
294 const struct dom_sid
*group_sid
,
295 enum lsa_SidType type
,
297 struct dom_sid
**sid_mem
, char ***names
,
298 uint32_t **name_types
);
300 /* return the current global sequence number */
301 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32_t *seq
);
303 /* return the lockout policy */
304 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
306 struct samr_DomInfo12
*lockout_policy
);
308 /* return the lockout policy */
309 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
311 struct samr_DomInfo1
*password_policy
);
313 /* enumerate trusted domains */
314 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
316 struct netr_DomainTrustList
*trusts
);
319 /* Filled out by IDMAP backends */
320 struct winbindd_idmap_methods
{
321 /* Called when backend is first loaded */
324 bool (*get_sid_from_uid
)(uid_t uid
, struct dom_sid
*sid
);
325 bool (*get_sid_from_gid
)(gid_t gid
, struct dom_sid
*sid
);
327 bool (*get_uid_from_sid
)(struct dom_sid
*sid
, uid_t
*uid
);
328 bool (*get_gid_from_sid
)(struct dom_sid
*sid
, gid_t
*gid
);
330 /* Called when backend is unloaded */
332 /* Called to dump backend status */
333 void (*status
)(void);
336 /* Data structures for dealing with the trusted domain cache */
338 struct winbindd_tdc_domain
{
339 const char *domain_name
;
340 const char *dns_name
;
342 uint32_t trust_flags
;
343 uint32_t trust_attribs
;
347 /* Switch for listing users or groups */
353 struct WINBINDD_MEMORY_CREDS
{
354 struct WINBINDD_MEMORY_CREDS
*next
, *prev
;
355 const char *username
; /* lookup key. */
359 uint8_t *nt_hash
; /* Base pointer for the following 2 */
364 struct WINBINDD_CCACHE_ENTRY
{
365 struct WINBINDD_CCACHE_ENTRY
*next
, *prev
;
366 const char *principal_name
;
369 const char *username
;
371 struct WINBINDD_MEMORY_CREDS
*cred_ptr
;
377 struct tevent_timer
*event
;
380 #include "winbindd/winbindd_proto.h"
382 #define WINBINDD_ESTABLISH_LOOP 30
383 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
384 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
385 #define DOM_SEQUENCE_NONE ((uint32_t)-1)
387 #endif /* _WINBINDD_H */