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/wbint.h"
30 #include "talloc_dict.h"
36 #ifdef HAVE_SYS_MMAN_H
41 #define DBGC_CLASS DBGC_WINBIND
43 #define WB_REPLACE_CHAR '_'
50 enum lsa_SidType type
;
53 struct winbindd_cli_state
{
54 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
55 int sock
; /* Open socket from client */
56 pid_t pid
; /* pid of client */
57 time_t last_access
; /* Time of last access (read or write) */
58 bool privileged
; /* Is the client 'privileged' */
60 TALLOC_CTX
*mem_ctx
; /* memory per request */
62 NTSTATUS (*recv_fn
)(struct tevent_req
*req
,
63 struct winbindd_response
*presp
);
64 struct winbindd_request
*request
; /* Request from client */
65 struct tevent_queue
*out_queue
;
66 struct winbindd_response
*response
; /* Respose to client */
67 bool getpwent_initialized
; /* Has getpwent_state been
69 bool getgrent_initialized
; /* Has getgrent_state been
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 struct rpc_pipe_client
*samr_pipe
;
107 struct policy_handle sam_connect_handle
, sam_domain_handle
;
109 struct rpc_pipe_client
*lsa_pipe
;
110 struct rpc_pipe_client
*lsa_pipe_tcp
;
111 struct policy_handle lsa_policy
;
113 struct rpc_pipe_client
*netlogon_pipe
;
118 struct winbindd_domain
;
120 struct winbindd_child_dispatch_table
{
122 enum winbindd_cmd struct_cmd
;
123 enum winbindd_result (*struct_fn
)(struct winbindd_domain
*domain
,
124 struct winbindd_cli_state
*state
);
127 struct winbindd_child
{
128 struct winbindd_child
*next
, *prev
;
131 struct winbindd_domain
*domain
;
135 struct tevent_queue
*queue
;
136 struct dcerpc_binding_handle
*binding_handle
;
138 struct timed_event
*lockout_policy_event
;
139 struct timed_event
*machine_password_change_event
;
141 const struct winbindd_child_dispatch_table
*table
;
144 /* Structures to hold per domain information */
146 struct winbindd_domain
{
147 fstring name
; /* Domain name (NetBIOS) */
148 fstring alt_name
; /* alt Domain name, if any (FQDN for ADS) */
149 fstring forest_name
; /* Name of the AD forest we're in */
150 struct dom_sid sid
; /* SID for this domain */
151 uint32 domain_flags
; /* Domain flags from netlogon.h */
152 uint32 domain_type
; /* Domain type from netlogon.h */
153 uint32 domain_trust_attribs
; /* Trust attribs from netlogon.h */
154 bool initialized
; /* Did we already ask for the domain mode? */
155 bool native_mode
; /* is this a win2k domain in native mode ? */
156 bool active_directory
; /* is this a win2k active directory ? */
157 bool primary
; /* is this our primary domain ? */
158 bool internal
; /* BUILTIN and member SAM */
159 bool online
; /* is this domain available ? */
160 time_t startup_time
; /* When we set "startup" true. monotonic clock */
161 bool startup
; /* are we in the first 30 seconds after startup_time ? */
163 bool can_do_samlogon_ex
; /* Due to the lack of finer control what type
164 * of DC we have, let us try to do a
165 * credential-chain less samlogon_ex call
166 * with AD and schannel. If this fails with
167 * DCERPC_FAULT_OP_RNG_ERROR, then set this
168 * to False. This variable is around so that
169 * we don't have to try _ex every time. */
171 bool can_do_ncacn_ip_tcp
;
172 bool can_do_validation6
;
174 /* Lookup methods for this domain (LDAP or RPC) */
175 struct winbindd_methods
*methods
;
177 /* the backend methods are used by the cache layer to find the right
179 struct winbindd_methods
*backend
;
181 /* Private data for the backends (used for connection cache) */
186 * idmap config settings, used to tell the idmap child which
187 * special domain config to use for a mapping
189 bool have_idmap_config
;
190 uint32_t id_range_low
, id_range_high
;
193 pid_t dc_probe_pid
; /* Child we're using to detect the DC. */
195 struct sockaddr_storage dcaddr
;
197 /* Sequence number stuff */
199 time_t last_seq_check
;
200 uint32 sequence_number
;
201 NTSTATUS last_status
;
203 /* The smb connection */
205 struct winbindd_cm_conn conn
;
207 /* The child pid we're talking to */
209 struct winbindd_child
*children
;
211 /* Callback we use to try put us back online. */
213 uint32 check_online_timeout
;
214 struct timed_event
*check_online_event
;
216 /* Linked list info */
218 struct winbindd_domain
*prev
, *next
;
221 /* per-domain methods. This is how LDAP vs RPC is selected
223 struct winbindd_methods
{
224 /* does this backend provide a consistent view of the data? (ie. is the primary group
228 /* get a list of users, returning a wbint_userinfo for each one */
229 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
232 struct wbint_userinfo
**info
);
234 /* get a list of domain groups */
235 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
238 struct acct_info
**info
);
240 /* get a list of domain local groups */
241 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
244 struct acct_info
**info
);
246 /* convert one user or group name to a sid */
247 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
249 const char *domain_name
,
253 enum lsa_SidType
*type
);
255 /* convert a sid to a user or group name */
256 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
258 const struct dom_sid
*sid
,
261 enum lsa_SidType
*type
);
263 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
265 const struct dom_sid
*domain_sid
,
270 enum lsa_SidType
**types
);
272 /* lookup user info for a given SID */
273 NTSTATUS (*query_user
)(struct winbindd_domain
*domain
,
275 const struct dom_sid
*user_sid
,
276 struct wbint_userinfo
*user_info
);
278 /* lookup all groups that a user is a member of. The backend
279 can also choose to lookup by username or rid for this
281 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
283 const struct dom_sid
*user_sid
,
284 uint32
*num_groups
, struct dom_sid
**user_gids
);
286 /* Lookup all aliases that the sids delivered are member of. This is
287 * to implement 'domain local groups' correctly */
288 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
291 const struct dom_sid
*sids
,
293 uint32
**alias_rids
);
295 /* find all members of the group with the specified group_rid */
296 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
298 const struct dom_sid
*group_sid
,
299 enum lsa_SidType type
,
301 struct dom_sid
**sid_mem
, char ***names
,
302 uint32
**name_types
);
304 /* return the current global sequence number */
305 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32
*seq
);
307 /* return the lockout policy */
308 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
310 struct samr_DomInfo12
*lockout_policy
);
312 /* return the lockout policy */
313 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
315 struct samr_DomInfo1
*password_policy
);
317 /* enumerate trusted domains */
318 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
320 struct netr_DomainTrustList
*trusts
);
323 /* Filled out by IDMAP backends */
324 struct winbindd_idmap_methods
{
325 /* Called when backend is first loaded */
328 bool (*get_sid_from_uid
)(uid_t uid
, struct dom_sid
*sid
);
329 bool (*get_sid_from_gid
)(gid_t gid
, struct dom_sid
*sid
);
331 bool (*get_uid_from_sid
)(struct dom_sid
*sid
, uid_t
*uid
);
332 bool (*get_gid_from_sid
)(struct dom_sid
*sid
, gid_t
*gid
);
334 /* Called when backend is unloaded */
336 /* Called to dump backend status */
337 void (*status
)(void);
340 /* Data structures for dealing with the trusted domain cache */
342 struct winbindd_tdc_domain
{
343 const char *domain_name
;
344 const char *dns_name
;
347 uint32 trust_attribs
;
351 /* Switch for listing users or groups */
357 struct WINBINDD_MEMORY_CREDS
{
358 struct WINBINDD_MEMORY_CREDS
*next
, *prev
;
359 const char *username
; /* lookup key. */
363 uint8_t *nt_hash
; /* Base pointer for the following 2 */
368 struct WINBINDD_CCACHE_ENTRY
{
369 struct WINBINDD_CCACHE_ENTRY
*next
, *prev
;
370 const char *principal_name
;
373 const char *username
;
375 struct WINBINDD_MEMORY_CREDS
*cred_ptr
;
381 struct timed_event
*event
;
384 #include "winbindd/winbindd_proto.h"
386 #define WINBINDD_ESTABLISH_LOOP 30
387 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
388 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
389 #define DOM_SEQUENCE_NONE ((uint32)-1)
391 #define winbind_event_context server_event_context
393 #endif /* _WINBINDD_H */