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 /* bits for fd_event.flags */
43 #define EVENT_FD_READ 1
44 #define EVENT_FD_WRITE 2
47 struct fd_event *next, *prev;
49 int flags; /* see EVENT_FD_* flags */
50 void (*handler)(struct fd_event *fde, int flags);
53 void (*finished)(void *private_data, bool success);
62 enum lsa_SidType type;
65 struct winbindd_cli_state {
66 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
67 int sock; /* Open socket from client */
68 struct fd_event fd_event;
69 pid_t pid; /* pid of client */
70 bool finished; /* Can delete from list */
71 bool write_extra_data; /* Write extra_data field */
72 time_t last_access; /* Time of last access (read or write) */
73 bool privileged; /* Is the client 'privileged' */
75 TALLOC_CTX *mem_ctx; /* memory per request */
76 struct winbindd_request request; /* Request from client */
77 struct winbindd_response response; /* Respose to client */
78 bool getpwent_initialized; /* Has getpwent_state been
80 bool getgrent_initialized; /* Has getgrent_state been
82 struct getent_state *getpwent_state; /* State for getpwent() */
83 struct getent_state *getgrent_state; /* State for getgrent() */
86 /* State between get{pw,gr}ent() calls */
89 struct getent_state *prev, *next;
91 uint32 sam_entry_index, num_sam_entries;
96 /* Storage for cached getpwent() user entries */
98 struct getpwent_user {
99 fstring name; /* Account name */
100 fstring gecos; /* User information */
101 fstring homedir; /* User Home Directory */
102 fstring shell; /* User Login Shell */
103 DOM_SID user_sid; /* NT user and primary group SIDs */
107 /* Server state structure */
114 gid_t primary_gid; /* allow the nss_info
115 backend to set the primary group */
116 DOM_SID user_sid; /* NT user and primary group SIDs */
120 /* Our connection to the DC */
122 struct winbindd_cm_conn {
123 struct cli_state *cli;
125 struct rpc_pipe_client *samr_pipe;
126 POLICY_HND sam_connect_handle, sam_domain_handle;
128 struct rpc_pipe_client *lsa_pipe;
129 POLICY_HND lsa_policy;
131 struct rpc_pipe_client *netlogon_pipe;
134 struct winbindd_async_request;
138 struct winbindd_domain;
140 struct winbindd_child_dispatch_table {
142 enum winbindd_cmd struct_cmd;
143 enum winbindd_result (*struct_fn)(struct winbindd_domain *domain,
144 struct winbindd_cli_state *state);
147 struct winbindd_child {
148 struct winbindd_child *next, *prev;
151 struct winbindd_domain *domain;
154 struct fd_event event;
155 struct timed_event *lockout_policy_event;
156 struct winbindd_async_request *requests;
158 const struct winbindd_child_dispatch_table *table;
161 /* Structures to hold per domain information */
163 struct winbindd_domain {
164 fstring name; /* Domain name (NetBIOS) */
165 fstring alt_name; /* alt Domain name, if any (FQDN for ADS) */
166 fstring forest_name; /* Name of the AD forest we're in */
167 DOM_SID sid; /* SID for this domain */
168 uint32 domain_flags; /* Domain flags from netlogon.h */
169 uint32 domain_type; /* Domain type from netlogon.h */
170 uint32 domain_trust_attribs; /* Trust attribs from netlogon.h */
171 bool initialized; /* Did we already ask for the domain mode? */
172 bool native_mode; /* is this a win2k domain in native mode ? */
173 bool active_directory; /* is this a win2k active directory ? */
174 bool primary; /* is this our primary domain ? */
175 bool internal; /* BUILTIN and member SAM */
176 bool online; /* is this domain available ? */
177 time_t startup_time; /* When we set "startup" true. */
178 bool startup; /* are we in the first 30 seconds after startup_time ? */
180 bool can_do_samlogon_ex; /* Due to the lack of finer control what type
181 * of DC we have, let us try to do a
182 * credential-chain less samlogon_ex call
183 * with AD and schannel. If this fails with
184 * DCERPC_FAULT_OP_RNG_ERROR, then set this
185 * to False. This variable is around so that
186 * we don't have to try _ex every time. */
188 /* Lookup methods for this domain (LDAP or RPC) */
189 struct winbindd_methods *methods;
191 /* the backend methods are used by the cache layer to find the right
193 struct winbindd_methods *backend;
195 /* Private data for the backends (used for connection cache) */
201 struct sockaddr_storage dcaddr;
203 /* Sequence number stuff */
205 time_t last_seq_check;
206 uint32 sequence_number;
207 NTSTATUS last_status;
209 /* The smb connection */
211 struct winbindd_cm_conn conn;
213 /* The child pid we're talking to */
215 struct winbindd_child child;
217 /* Callback we use to try put us back online. */
219 uint32 check_online_timeout;
220 struct timed_event *check_online_event;
222 /* Linked list info */
224 struct winbindd_domain *prev, *next;
227 /* per-domain methods. This is how LDAP vs RPC is selected
229 struct winbindd_methods {
230 /* does this backend provide a consistent view of the data? (ie. is the primary group
234 /* get a list of users, returning a WINBIND_USERINFO for each one */
235 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
238 WINBIND_USERINFO **info);
240 /* get a list of domain groups */
241 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
244 struct acct_info **info);
246 /* get a list of domain local groups */
247 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
250 struct acct_info **info);
252 /* convert one user or group name to a sid */
253 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
255 enum winbindd_cmd orig_cmd,
256 const char *domain_name,
259 enum lsa_SidType *type);
261 /* convert a sid to a user or group name */
262 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
267 enum lsa_SidType *type);
269 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
271 const DOM_SID *domain_sid,
276 enum lsa_SidType **types);
278 /* lookup user info for a given SID */
279 NTSTATUS (*query_user)(struct winbindd_domain *domain,
281 const DOM_SID *user_sid,
282 WINBIND_USERINFO *user_info);
284 /* lookup all groups that a user is a member of. The backend
285 can also choose to lookup by username or rid for this
287 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
289 const DOM_SID *user_sid,
290 uint32 *num_groups, DOM_SID **user_gids);
292 /* Lookup all aliases that the sids delivered are member of. This is
293 * to implement 'domain local groups' correctly */
294 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
299 uint32 **alias_rids);
301 /* find all members of the group with the specified group_rid */
302 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
304 const DOM_SID *group_sid,
306 DOM_SID **sid_mem, char ***names,
307 uint32 **name_types);
309 /* return the current global sequence number */
310 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
312 /* return the lockout policy */
313 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
315 struct samr_DomInfo12 *lockout_policy);
317 /* return the lockout policy */
318 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
320 struct samr_DomInfo1 *password_policy);
322 /* enumerate trusted domains */
323 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
331 /* Used to glue a policy handle and cli_state together */
334 struct cli_state *cli;
338 /* Filled out by IDMAP backends */
339 struct winbindd_idmap_methods {
340 /* Called when backend is first loaded */
343 bool (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
344 bool (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
346 bool (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
347 bool (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
349 /* Called when backend is unloaded */
351 /* Called to dump backend status */
352 void (*status)(void);
355 /* Data structures for dealing with the trusted domain cache */
357 struct winbindd_tdc_domain {
358 const char *domain_name;
359 const char *dns_name;
362 uint32 trust_attribs;
366 /* Switch for listing users or groups */
372 #include "winbindd/winbindd_proto.h"
374 #define WINBINDD_ESTABLISH_LOOP 30
375 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
376 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
377 #define DOM_SEQUENCE_NONE ((uint32)-1)
379 #define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
380 ( get_global_winbindd_state_offline() \
382 #define IS_DOMAIN_ONLINE(x) (!(IS_DOMAIN_OFFLINE(x)))
383 #endif /* _WINBINDD_H */