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"
32 #ifdef HAVE_SYS_MMAN_H
37 #define DBGC_CLASS DBGC_WINBIND
39 #define WB_REPLACE_CHAR '_'
41 /* bits for fd_event.flags */
42 #define EVENT_FD_READ 1
43 #define EVENT_FD_WRITE 2
46 struct fd_event *next, *prev;
48 int flags; /* see EVENT_FD_* flags */
49 void (*handler)(struct fd_event *fde, int flags);
52 void (*finished)(void *private_data, BOOL success);
61 enum lsa_SidType type;
64 struct winbindd_cli_state {
65 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
66 int sock; /* Open socket from client */
67 struct fd_event fd_event;
68 pid_t pid; /* pid of client */
69 BOOL finished; /* Can delete from list */
70 BOOL write_extra_data; /* Write extra_data field */
71 time_t last_access; /* Time of last access (read or write) */
72 BOOL privileged; /* Is the client 'privileged' */
74 TALLOC_CTX *mem_ctx; /* memory per request */
75 struct winbindd_request request; /* Request from client */
76 struct winbindd_response response; /* Respose to client */
77 BOOL getpwent_initialized; /* Has getpwent_state been
79 BOOL getgrent_initialized; /* Has getgrent_state been
81 struct getent_state *getpwent_state; /* State for getpwent() */
82 struct getent_state *getgrent_state; /* State for getgrent() */
85 /* State between get{pw,gr}ent() calls */
88 struct getent_state *prev, *next;
90 uint32 sam_entry_index, num_sam_entries;
95 /* Storage for cached getpwent() user entries */
97 struct getpwent_user {
98 fstring name; /* Account name */
99 fstring gecos; /* User information */
100 fstring homedir; /* User Home Directory */
101 fstring shell; /* User Login Shell */
102 DOM_SID user_sid; /* NT user and primary group SIDs */
106 /* Server state structure */
113 gid_t primary_gid; /* allow the nss_info
114 backend to set the primary group */
115 DOM_SID user_sid; /* NT user and primary group SIDs */
119 /* Our connection to the DC */
121 struct winbindd_cm_conn {
122 struct cli_state *cli;
124 struct rpc_pipe_client *samr_pipe;
125 POLICY_HND sam_connect_handle, sam_domain_handle;
127 struct rpc_pipe_client *lsa_pipe;
128 POLICY_HND lsa_policy;
130 struct rpc_pipe_client *netlogon_pipe;
133 struct winbindd_async_request;
137 struct winbindd_domain;
139 struct winbindd_child_dispatch_table {
140 enum winbindd_cmd cmd;
141 enum winbindd_result (*fn)(struct winbindd_domain *domain,
142 struct winbindd_cli_state *state);
143 const char *winbindd_cmd_name;
146 extern const struct winbindd_child_dispatch_table domain_dispatch_table[];
148 struct winbindd_child {
149 struct winbindd_child *next, *prev;
152 struct winbindd_domain *domain;
155 struct fd_event event;
156 struct timed_event *lockout_policy_event;
157 struct winbindd_async_request *requests;
159 const struct winbindd_child_dispatch_table *table;
162 /* Structures to hold per domain information */
164 struct winbindd_domain {
165 fstring name; /* Domain name (NetBIOS) */
166 fstring alt_name; /* alt Domain name, if any (FQDN for ADS) */
167 fstring forest_name; /* Name of the AD forest we're in */
168 DOM_SID sid; /* SID for this domain */
169 uint32 domain_flags; /* Domain flags from rpc_ds.h */
170 uint32 domain_type; /* Domain type from rpc_ds.h */
171 uint32 domain_trust_attribs; /* Trust attribs from rpc_ds.h */
172 BOOL initialized; /* Did we already ask for the domain mode? */
173 BOOL native_mode; /* is this a win2k domain in native mode ? */
174 BOOL active_directory; /* is this a win2k active directory ? */
175 BOOL primary; /* is this our primary domain ? */
176 BOOL internal; /* BUILTIN and member SAM */
177 BOOL online; /* is this domain available ? */
178 time_t startup_time; /* When we set "startup" true. */
179 BOOL startup; /* are we in the first 30 seconds after startup_time ? */
181 BOOL can_do_samlogon_ex; /* Due to the lack of finer control what type
182 * of DC we have, let us try to do a
183 * credential-chain less samlogon_ex call
184 * with AD and schannel. If this fails with
185 * DCERPC_FAULT_OP_RNG_ERROR, then set this
186 * to False. This variable is around so that
187 * we don't have to try _ex every time. */
189 /* Lookup methods for this domain (LDAP or RPC) */
190 struct winbindd_methods *methods;
192 /* the backend methods are used by the cache layer to find the right
194 struct winbindd_methods *backend;
196 /* Private data for the backends (used for connection cache) */
202 struct sockaddr_in dcaddr;
204 /* Sequence number stuff */
206 time_t last_seq_check;
207 uint32 sequence_number;
208 NTSTATUS last_status;
210 /* The smb connection */
212 struct winbindd_cm_conn conn;
214 /* The child pid we're talking to */
216 struct winbindd_child child;
218 /* Callback we use to try put us back online. */
220 uint32 check_online_timeout;
221 struct timed_event *check_online_event;
223 /* Linked list info */
225 struct winbindd_domain *prev, *next;
228 /* per-domain methods. This is how LDAP vs RPC is selected
230 struct winbindd_methods {
231 /* does this backend provide a consistent view of the data? (ie. is the primary group
235 /* get a list of users, returning a WINBIND_USERINFO for each one */
236 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
239 WINBIND_USERINFO **info);
241 /* get a list of domain groups */
242 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
245 struct acct_info **info);
247 /* get a list of domain local groups */
248 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
251 struct acct_info **info);
253 /* convert one user or group name to a sid */
254 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
256 enum winbindd_cmd orig_cmd,
257 const char *domain_name,
260 enum lsa_SidType *type);
262 /* convert a sid to a user or group name */
263 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
268 enum lsa_SidType *type);
270 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
272 const DOM_SID *domain_sid,
277 enum lsa_SidType **types);
279 /* lookup user info for a given SID */
280 NTSTATUS (*query_user)(struct winbindd_domain *domain,
282 const DOM_SID *user_sid,
283 WINBIND_USERINFO *user_info);
285 /* lookup all groups that a user is a member of. The backend
286 can also choose to lookup by username or rid for this
288 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
290 const DOM_SID *user_sid,
291 uint32 *num_groups, DOM_SID **user_gids);
293 /* Lookup all aliases that the sids delivered are member of. This is
294 * to implement 'domain local groups' correctly */
295 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
300 uint32 **alias_rids);
302 /* find all members of the group with the specified group_rid */
303 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
305 const DOM_SID *group_sid,
307 DOM_SID **sid_mem, char ***names,
308 uint32 **name_types);
310 /* return the current global sequence number */
311 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
313 /* return the lockout policy */
314 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
316 SAM_UNK_INFO_12 *lockout_policy);
318 /* return the lockout policy */
319 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
321 SAM_UNK_INFO_1 *password_policy);
323 /* enumerate trusted domains */
324 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
332 /* Used to glue a policy handle and cli_state together */
335 struct cli_state *cli;
339 /* Filled out by IDMAP backends */
340 struct winbindd_idmap_methods {
341 /* Called when backend is first loaded */
344 BOOL (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
345 BOOL (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
347 BOOL (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
348 BOOL (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
350 /* Called when backend is unloaded */
352 /* Called to dump backend status */
353 void (*status)(void);
356 /* Data structures for dealing with the trusted domain cache */
358 struct winbindd_tdc_domain {
359 const char *domain_name;
360 const char *dns_name;
363 uint32 trust_attribs;
368 #include "winbindd/winbindd_proto.h"
370 #define WINBINDD_ESTABLISH_LOOP 30
371 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
372 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
373 #define DOM_SEQUENCE_NONE ((uint32)-1)
375 #define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
376 ( get_global_winbindd_state_offline() \
378 #endif /* _WINBINDD_H */