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 Library General Public
11 License as published by the Free Software Foundation; either
12 version 2 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 Library General Public
20 License along with this library; if not, write to the
21 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA.
30 #include "winbindd_nss.h"
36 #ifdef HAVE_SYS_MMAN_H
41 #define DBGC_CLASS DBGC_WINBIND
43 /* bits for fd_event.flags */
44 #define EVENT_FD_READ 1
45 #define EVENT_FD_WRITE 2
48 struct fd_event *next, *prev;
50 int flags; /* see EVENT_FD_* flags */
51 void (*handler)(struct fd_event *fde, int flags);
54 void (*finished)(void *private_data, BOOL success);
63 enum lsa_SidType type;
66 struct winbindd_cli_state {
67 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
68 int sock; /* Open socket from client */
69 struct fd_event fd_event;
70 pid_t pid; /* pid of client */
71 BOOL finished; /* Can delete from list */
72 BOOL write_extra_data; /* Write extra_data field */
73 time_t last_access; /* Time of last access (read or write) */
74 BOOL privileged; /* Is the client 'privileged' */
76 TALLOC_CTX *mem_ctx; /* memory per request */
77 struct winbindd_request request; /* Request from client */
78 struct winbindd_response response; /* Respose to client */
79 BOOL getpwent_initialized; /* Has getpwent_state been
81 BOOL getgrent_initialized; /* Has getgrent_state been
83 struct getent_state *getpwent_state; /* State for getpwent() */
84 struct getent_state *getgrent_state; /* State for getgrent() */
87 /* State between get{pw,gr}ent() calls */
90 struct getent_state *prev, *next;
92 uint32 sam_entry_index, num_sam_entries;
97 /* Storage for cached getpwent() user entries */
99 struct getpwent_user {
100 fstring name; /* Account name */
101 fstring gecos; /* User information */
102 fstring homedir; /* User Home Directory */
103 fstring shell; /* User Login Shell */
104 DOM_SID user_sid; /* NT user and primary group SIDs */
108 /* Server state structure */
110 struct winbindd_state {
112 /* User and group id pool */
114 uid_t uid_low, uid_high; /* Range of uids to allocate */
115 gid_t gid_low, gid_high; /* Range of gids to allocate */
118 extern struct winbindd_state server_state; /* Server information */
125 DOM_SID user_sid; /* NT user and primary group SIDs */
129 /* Our connection to the DC */
131 struct winbindd_cm_conn {
132 struct cli_state *cli;
134 struct rpc_pipe_client *samr_pipe;
135 POLICY_HND sam_connect_handle, sam_domain_handle;
137 struct rpc_pipe_client *lsa_pipe;
138 POLICY_HND lsa_policy;
140 struct rpc_pipe_client *netlogon_pipe;
143 struct winbindd_async_request;
147 struct winbindd_child {
148 struct winbindd_child *next, *prev;
151 struct winbindd_domain *domain;
155 struct fd_event event;
156 struct timed_event *lockout_policy_event;
157 struct winbindd_async_request *requests;
160 /* Structures to hold per domain information */
162 struct winbindd_domain {
163 fstring name; /* Domain name */
164 fstring alt_name; /* alt Domain name (if any) */
165 DOM_SID sid; /* SID for this domain */
166 BOOL initialized; /* Did we already ask for the domain mode? */
167 BOOL native_mode; /* is this a win2k domain in native mode ? */
168 BOOL active_directory; /* is this a win2k active directory ? */
169 BOOL primary; /* is this our primary domain ? */
170 BOOL internal; /* BUILTIN and member SAM */
171 BOOL online; /* is this domain available ? */
173 /* Lookup methods for this domain (LDAP or RPC) */
174 struct winbindd_methods *methods;
176 /* the backend methods are used by the cache layer to find the right
178 struct winbindd_methods *backend;
180 /* Private data for the backends (used for connection cache) */
186 struct sockaddr_in dcaddr;
188 /* Sequence number stuff */
190 time_t last_seq_check;
191 uint32 sequence_number;
192 NTSTATUS last_status;
194 /* The smb connection */
196 struct winbindd_cm_conn conn;
198 /* The child pid we're talking to */
200 struct winbindd_child child;
202 /* Callback we use to try put us back online. */
204 struct timed_event *check_online_event;
206 /* Linked list info */
208 struct winbindd_domain *prev, *next;
211 /* per-domain methods. This is how LDAP vs RPC is selected
213 struct winbindd_methods {
214 /* does this backend provide a consistent view of the data? (ie. is the primary group
218 /* get a list of users, returning a WINBIND_USERINFO for each one */
219 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
222 WINBIND_USERINFO **info);
224 /* get a list of domain groups */
225 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
228 struct acct_info **info);
230 /* get a list of domain local groups */
231 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
234 struct acct_info **info);
236 /* convert one user or group name to a sid */
237 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
239 const char *domain_name,
242 enum lsa_SidType *type);
244 /* convert a sid to a user or group name */
245 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
250 enum lsa_SidType *type);
252 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
254 const DOM_SID *domain_sid,
259 enum lsa_SidType **types);
261 /* lookup user info for a given SID */
262 NTSTATUS (*query_user)(struct winbindd_domain *domain,
264 const DOM_SID *user_sid,
265 WINBIND_USERINFO *user_info);
267 /* lookup all groups that a user is a member of. The backend
268 can also choose to lookup by username or rid for this
270 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
272 const DOM_SID *user_sid,
273 uint32 *num_groups, DOM_SID **user_gids);
275 /* Lookup all aliases that the sids delivered are member of. This is
276 * to implement 'domain local groups' correctly */
277 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
282 uint32 **alias_rids);
284 /* find all members of the group with the specified group_rid */
285 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
287 const DOM_SID *group_sid,
289 DOM_SID **sid_mem, char ***names,
290 uint32 **name_types);
292 /* return the current global sequence number */
293 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
295 /* return the lockout policy */
296 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
298 SAM_UNK_INFO_12 *lockout_policy);
300 /* return the lockout policy */
301 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
303 SAM_UNK_INFO_1 *password_policy);
305 /* enumerate trusted domains */
306 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
314 /* Used to glue a policy handle and cli_state together */
317 struct cli_state *cli;
321 /* Filled out by IDMAP backends */
322 struct winbindd_idmap_methods {
323 /* Called when backend is first loaded */
326 BOOL (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
327 BOOL (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
329 BOOL (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
330 BOOL (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
332 /* Called when backend is unloaded */
334 /* Called to dump backend status */
335 void (*status)(void);
338 #include "nsswitch/winbindd_proto.h"
340 #define WINBINDD_ESTABLISH_LOOP 30
341 #define WINBINDD_RESCAN_FREQ 300
342 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
343 #define DOM_SEQUENCE_NONE ((uint32)-1)
345 #endif /* _WINBINDD_H */