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 DOM_SID user_sid; /* NT user and primary group SIDs */
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 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;
170 bool can_do_validation6;
172 /* Lookup methods for this domain (LDAP or RPC) */
173 struct winbindd_methods *methods;
175 /* the backend methods are used by the cache layer to find the right
177 struct winbindd_methods *backend;
179 /* Private data for the backends (used for connection cache) */
184 * idmap config settings, used to tell the idmap child which
185 * special domain config to use for a mapping
187 bool have_idmap_config;
188 uint32_t id_range_low, id_range_high;
191 pid_t dc_probe_pid; /* Child we're using to detect the DC. */
193 struct sockaddr_storage dcaddr;
195 /* Sequence number stuff */
197 time_t last_seq_check;
198 uint32 sequence_number;
199 NTSTATUS last_status;
201 /* The smb connection */
203 struct winbindd_cm_conn conn;
205 /* The child pid we're talking to */
207 struct winbindd_child child;
209 /* Callback we use to try put us back online. */
211 uint32 check_online_timeout;
212 struct timed_event *check_online_event;
214 /* Linked list info */
216 struct winbindd_domain *prev, *next;
219 /* per-domain methods. This is how LDAP vs RPC is selected
221 struct winbindd_methods {
222 /* does this backend provide a consistent view of the data? (ie. is the primary group
226 /* get a list of users, returning a wbint_userinfo for each one */
227 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
230 struct wbint_userinfo **info);
232 /* get a list of domain groups */
233 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
236 struct acct_info **info);
238 /* get a list of domain local groups */
239 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
242 struct acct_info **info);
244 /* convert one user or group name to a sid */
245 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
247 const char *domain_name,
251 enum lsa_SidType *type);
253 /* convert a sid to a user or group name */
254 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
259 enum lsa_SidType *type);
261 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
263 const DOM_SID *domain_sid,
268 enum lsa_SidType **types);
270 /* lookup user info for a given SID */
271 NTSTATUS (*query_user)(struct winbindd_domain *domain,
273 const DOM_SID *user_sid,
274 struct wbint_userinfo *user_info);
276 /* lookup all groups that a user is a member of. The backend
277 can also choose to lookup by username or rid for this
279 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
281 const DOM_SID *user_sid,
282 uint32 *num_groups, DOM_SID **user_gids);
284 /* Lookup all aliases that the sids delivered are member of. This is
285 * to implement 'domain local groups' correctly */
286 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
291 uint32 **alias_rids);
293 /* find all members of the group with the specified group_rid */
294 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
296 const DOM_SID *group_sid,
297 enum lsa_SidType type,
299 DOM_SID **sid_mem, char ***names,
300 uint32 **name_types);
302 /* return the current global sequence number */
303 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
305 /* return the lockout policy */
306 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
308 struct samr_DomInfo12 *lockout_policy);
310 /* return the lockout policy */
311 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
313 struct samr_DomInfo1 *password_policy);
315 /* enumerate trusted domains */
316 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
318 struct netr_DomainTrustList *trusts);
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 /* Data structures for dealing with the trusted domain cache */
340 struct winbindd_tdc_domain {
341 const char *domain_name;
342 const char *dns_name;
345 uint32 trust_attribs;
349 /* Switch for listing users or groups */
355 struct WINBINDD_MEMORY_CREDS {
356 struct WINBINDD_MEMORY_CREDS *next, *prev;
357 const char *username; /* lookup key. */
361 uint8_t *nt_hash; /* Base pointer for the following 2 */
366 struct WINBINDD_CCACHE_ENTRY {
367 struct WINBINDD_CCACHE_ENTRY *next, *prev;
368 const char *principal_name;
371 const char *username;
373 struct WINBINDD_MEMORY_CREDS *cred_ptr;
379 struct timed_event *event;
382 #include "winbindd/winbindd_proto.h"
384 #define WINBINDD_ESTABLISH_LOOP 30
385 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
386 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
387 #define DOM_SEQUENCE_NONE ((uint32)-1)
389 #endif /* _WINBINDD_H */