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"
34 #ifdef HAVE_SYS_MMAN_H
39 #define DBGC_CLASS DBGC_WINBIND
41 #define WB_REPLACE_CHAR '_'
48 enum lsa_SidType type
;
51 struct winbindd_cli_state
{
52 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
53 int sock
; /* Open socket from client */
54 pid_t pid
; /* pid of client */
55 time_t last_access
; /* Time of last access (read or write) */
56 bool privileged
; /* Is the client 'privileged' */
58 TALLOC_CTX
*mem_ctx
; /* memory per request */
60 NTSTATUS (*recv_fn
)(struct tevent_req
*req
,
61 struct winbindd_response
*presp
);
62 struct winbindd_request
*request
; /* Request from client */
63 struct tevent_queue
*out_queue
;
64 struct winbindd_response
*response
; /* Respose to client */
65 bool getpwent_initialized
; /* Has getpwent_state been
67 bool getgrent_initialized
; /* Has getgrent_state been
70 struct getpwent_state
*pwent_state
; /* State for getpwent() */
71 struct getgrent_state
*grent_state
; /* State for getgrent() */
74 struct getpwent_state
{
75 struct winbindd_domain
*domain
;
78 struct wbint_userinfo
*users
;
81 struct getgrent_state
{
82 struct winbindd_domain
*domain
;
85 struct wbint_Principal
*groups
;
88 /* Storage for cached getpwent() user entries */
90 struct getpwent_user
{
91 fstring name
; /* Account name */
92 fstring gecos
; /* User information */
93 fstring homedir
; /* User Home Directory */
94 fstring shell
; /* User Login Shell */
95 struct dom_sid user_sid
; /* NT user and primary group SIDs */
96 struct dom_sid group_sid
;
99 /* Our connection to the DC */
101 struct winbindd_cm_conn
{
102 struct cli_state
*cli
;
104 struct rpc_pipe_client
*samr_pipe
;
105 struct policy_handle sam_connect_handle
, sam_domain_handle
;
107 struct rpc_pipe_client
*lsa_pipe
;
108 struct rpc_pipe_client
*lsa_pipe_tcp
;
109 struct policy_handle lsa_policy
;
111 struct rpc_pipe_client
*netlogon_pipe
;
116 struct winbindd_domain
;
118 struct winbindd_child_dispatch_table
{
120 enum winbindd_cmd struct_cmd
;
121 enum winbindd_result (*struct_fn
)(struct winbindd_domain
*domain
,
122 struct winbindd_cli_state
*state
);
125 struct winbindd_child
{
126 struct winbindd_child
*next
, *prev
;
129 struct winbindd_domain
*domain
;
133 struct tevent_queue
*queue
;
134 struct rpc_pipe_client
*rpccli
;
136 struct timed_event
*lockout_policy_event
;
137 struct timed_event
*machine_password_change_event
;
139 const struct winbindd_child_dispatch_table
*table
;
142 /* Structures to hold per domain information */
144 struct winbindd_domain
{
145 fstring name
; /* Domain name (NetBIOS) */
146 fstring alt_name
; /* alt Domain name, if any (FQDN for ADS) */
147 fstring forest_name
; /* Name of the AD forest we're in */
148 struct dom_sid sid
; /* SID for this domain */
149 uint32 domain_flags
; /* Domain flags from netlogon.h */
150 uint32 domain_type
; /* Domain type from netlogon.h */
151 uint32 domain_trust_attribs
; /* Trust attribs from netlogon.h */
152 bool initialized
; /* Did we already ask for the domain mode? */
153 bool native_mode
; /* is this a win2k domain in native mode ? */
154 bool active_directory
; /* is this a win2k active directory ? */
155 bool primary
; /* is this our primary domain ? */
156 bool internal
; /* BUILTIN and member SAM */
157 bool online
; /* is this domain available ? */
158 time_t startup_time
; /* When we set "startup" true. */
159 bool startup
; /* are we in the first 30 seconds after startup_time ? */
161 bool can_do_samlogon_ex
; /* Due to the lack of finer control what type
162 * of DC we have, let us try to do a
163 * credential-chain less samlogon_ex call
164 * with AD and schannel. If this fails with
165 * DCERPC_FAULT_OP_RNG_ERROR, then set this
166 * to False. This variable is around so that
167 * we don't have to try _ex every 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 * idmap config settings, used to tell the idmap child which
184 * special domain config to use for a mapping
186 bool have_idmap_config
;
187 uint32_t id_range_low
, id_range_high
;
190 pid_t dc_probe_pid
; /* Child we're using to detect the DC. */
192 struct sockaddr_storage dcaddr
;
194 /* Sequence number stuff */
196 time_t last_seq_check
;
197 uint32 sequence_number
;
198 NTSTATUS last_status
;
200 /* The smb connection */
202 struct winbindd_cm_conn conn
;
204 /* The child pid we're talking to */
206 struct winbindd_child child
;
208 /* Callback we use to try put us back online. */
210 uint32 check_online_timeout
;
211 struct timed_event
*check_online_event
;
213 /* Linked list info */
215 struct winbindd_domain
*prev
, *next
;
218 /* per-domain methods. This is how LDAP vs RPC is selected
220 struct winbindd_methods
{
221 /* does this backend provide a consistent view of the data? (ie. is the primary group
225 /* get a list of users, returning a wbint_userinfo for each one */
226 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
229 struct wbint_userinfo
**info
);
231 /* get a list of domain groups */
232 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
235 struct acct_info
**info
);
237 /* get a list of domain local groups */
238 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
241 struct acct_info
**info
);
243 /* convert one user or group name to a sid */
244 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
246 const char *domain_name
,
250 enum lsa_SidType
*type
);
252 /* convert a sid to a user or group name */
253 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
255 const struct dom_sid
*sid
,
258 enum lsa_SidType
*type
);
260 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
262 const struct dom_sid
*domain_sid
,
267 enum lsa_SidType
**types
);
269 /* lookup user info for a given SID */
270 NTSTATUS (*query_user
)(struct winbindd_domain
*domain
,
272 const struct dom_sid
*user_sid
,
273 struct wbint_userinfo
*user_info
);
275 /* lookup all groups that a user is a member of. The backend
276 can also choose to lookup by username or rid for this
278 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
280 const struct dom_sid
*user_sid
,
281 uint32
*num_groups
, struct dom_sid
**user_gids
);
283 /* Lookup all aliases that the sids delivered are member of. This is
284 * to implement 'domain local groups' correctly */
285 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
288 const struct dom_sid
*sids
,
290 uint32
**alias_rids
);
292 /* find all members of the group with the specified group_rid */
293 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
295 const struct dom_sid
*group_sid
,
296 enum lsa_SidType type
,
298 struct dom_sid
**sid_mem
, char ***names
,
299 uint32
**name_types
);
301 /* return the current global sequence number */
302 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32
*seq
);
304 /* return the lockout policy */
305 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
307 struct samr_DomInfo12
*lockout_policy
);
309 /* return the lockout policy */
310 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
312 struct samr_DomInfo1
*password_policy
);
314 /* enumerate trusted domains */
315 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
317 struct netr_DomainTrustList
*trusts
);
320 /* Filled out by IDMAP backends */
321 struct winbindd_idmap_methods
{
322 /* Called when backend is first loaded */
325 bool (*get_sid_from_uid
)(uid_t uid
, struct dom_sid
*sid
);
326 bool (*get_sid_from_gid
)(gid_t gid
, struct dom_sid
*sid
);
328 bool (*get_uid_from_sid
)(struct dom_sid
*sid
, uid_t
*uid
);
329 bool (*get_gid_from_sid
)(struct dom_sid
*sid
, gid_t
*gid
);
331 /* Called when backend is unloaded */
333 /* Called to dump backend status */
334 void (*status
)(void);
337 /* Data structures for dealing with the trusted domain cache */
339 struct winbindd_tdc_domain
{
340 const char *domain_name
;
341 const char *dns_name
;
344 uint32 trust_attribs
;
348 /* Switch for listing users or groups */
354 struct WINBINDD_MEMORY_CREDS
{
355 struct WINBINDD_MEMORY_CREDS
*next
, *prev
;
356 const char *username
; /* lookup key. */
360 uint8_t *nt_hash
; /* Base pointer for the following 2 */
365 struct WINBINDD_CCACHE_ENTRY
{
366 struct WINBINDD_CCACHE_ENTRY
*next
, *prev
;
367 const char *principal_name
;
370 const char *username
;
372 struct WINBINDD_MEMORY_CREDS
*cred_ptr
;
378 struct timed_event
*event
;
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 winbind_event_context server_event_context
389 #define winbind_messaging_context server_messaging_context
391 #endif /* _WINBINDD_H */