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/dcerpc.h"
29 #include "librpc/gen_ndr/winbind.h"
31 #include "../lib/util/tevent_ntstatus.h"
37 #ifdef HAVE_SYS_MMAN_H
42 #define DBGC_CLASS DBGC_WINBIND
44 #define WB_REPLACE_CHAR '_'
51 enum lsa_SidType type;
54 struct winbindd_cli_state {
55 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
56 int sock; /* Open socket from client */
57 pid_t pid; /* pid of client */
58 time_t last_access; /* Time of last access (read or write) */
59 bool privileged; /* Is the client 'privileged' */
61 TALLOC_CTX *mem_ctx; /* memory per request */
63 NTSTATUS (*recv_fn)(struct tevent_req *req,
64 struct winbindd_response *presp);
65 struct winbindd_request *request; /* Request from client */
66 struct tevent_queue *out_queue;
67 struct winbindd_response *response; /* Respose to client */
68 struct tevent_req *io_req; /* wb_req_read_* or wb_resp_write_* */
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;
77 struct wbint_RidArray rids;
80 struct getgrent_state {
81 struct winbindd_domain *domain;
84 struct wbint_Principal *groups;
87 /* Our connection to the DC */
89 struct winbindd_cm_conn {
90 struct cli_state *cli;
92 enum dcerpc_AuthLevel auth_level;
94 struct rpc_pipe_client *samr_pipe;
95 struct policy_handle sam_connect_handle, sam_domain_handle;
97 struct rpc_pipe_client *lsa_pipe;
98 struct rpc_pipe_client *lsa_pipe_tcp;
99 struct policy_handle lsa_policy;
101 struct rpc_pipe_client *netlogon_pipe;
102 struct netlogon_creds_cli_context *netlogon_creds_ctx;
103 uint32_t netlogon_flags;
104 bool netlogon_force_reauth;
109 struct winbindd_domain;
111 struct winbindd_child_dispatch_table {
113 enum winbindd_cmd struct_cmd;
114 enum winbindd_result (*struct_fn)(struct winbindd_domain *domain,
115 struct winbindd_cli_state *state);
118 struct winbindd_child {
119 struct winbindd_child *next, *prev;
122 struct winbindd_domain *domain;
126 struct tevent_queue *queue;
127 struct dcerpc_binding_handle *binding_handle;
129 struct tevent_timer *lockout_policy_event;
130 struct tevent_timer *machine_password_change_event;
132 const struct winbindd_child_dispatch_table *table;
135 /* Structures to hold per domain information */
137 struct winbindd_domain {
138 char *name; /* Domain name (NetBIOS) */
139 char *alt_name; /* alt Domain name, if any (FQDN for ADS) */
140 char *forest_name; /* Name of the AD forest we're in */
141 struct dom_sid sid; /* SID for this domain */
142 uint32_t domain_flags; /* Domain flags from netlogon.h */
143 uint32_t domain_type; /* Domain type from netlogon.h */
144 uint32_t domain_trust_attribs; /* Trust attribs from netlogon.h */
145 bool initialized; /* Did we already ask for the domain mode? */
146 bool native_mode; /* is this a win2k domain in native mode ? */
147 bool active_directory; /* is this a win2k active directory ? */
148 bool primary; /* is this our primary domain ? */
149 bool internal; /* BUILTIN and member SAM */
150 bool rodc; /* Are we an RODC for this AD domain? (do some operations locally) */
151 bool online; /* is this domain available ? */
152 time_t startup_time; /* When we set "startup" true. monotonic clock */
153 bool startup; /* are we in the first 30 seconds after startup_time ? */
155 bool can_do_ncacn_ip_tcp;
158 * Lookup methods for this domain (LDAP or RPC). The backend
159 * methods are used by the cache layer.
161 struct winbindd_methods *backend;
163 /* Private data for the backends (used for connection cache) */
168 pid_t dc_probe_pid; /* Child we're using to detect the DC. */
170 struct sockaddr_storage dcaddr;
172 /* Sequence number stuff */
174 time_t last_seq_check;
175 uint32_t sequence_number;
176 NTSTATUS last_status;
178 /* The smb connection */
180 struct winbindd_cm_conn conn;
182 /* The child pid we're talking to */
184 struct winbindd_child *children;
186 /* Callback we use to try put us back online. */
188 uint32_t check_online_timeout;
189 struct tevent_timer *check_online_event;
191 /* Linked list info */
193 struct winbindd_domain *prev, *next;
196 struct wb_acct_info {
197 fstring acct_name; /* account name */
198 fstring acct_desc; /* account name */
199 uint32_t rid; /* domain-relative RID */
202 /* per-domain methods. This is how LDAP vs RPC is selected
204 struct winbindd_methods {
205 /* does this backend provide a consistent view of the data? (ie. is the primary group
209 /* get a list of users, returning a wbint_userinfo for each one */
210 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
214 /* get a list of domain groups */
215 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
217 uint32_t *num_entries,
218 struct wb_acct_info **info);
220 /* get a list of domain local groups */
221 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
223 uint32_t *num_entries,
224 struct wb_acct_info **info);
226 /* convert one user or group name to a sid */
227 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
229 const char *domain_name,
233 enum lsa_SidType *type);
235 /* convert a sid to a user or group name */
236 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
238 const struct dom_sid *sid,
241 enum lsa_SidType *type);
243 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
245 const struct dom_sid *domain_sid,
250 enum lsa_SidType **types);
252 /* lookup all groups that a user is a member of. The backend
253 can also choose to lookup by username or rid for this
255 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
257 const struct dom_sid *user_sid,
258 uint32_t *num_groups, struct dom_sid **user_gids);
260 /* Lookup all aliases that the sids delivered are member of. This is
261 * to implement 'domain local groups' correctly */
262 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
265 const struct dom_sid *sids,
266 uint32_t *num_aliases,
267 uint32_t **alias_rids);
269 /* find all members of the group with the specified group_rid */
270 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
272 const struct dom_sid *group_sid,
273 enum lsa_SidType type,
275 struct dom_sid **sid_mem, char ***names,
276 uint32_t **name_types);
278 /* return the current global sequence number */
279 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32_t *seq);
281 /* return the lockout policy */
282 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
284 struct samr_DomInfo12 *lockout_policy);
286 /* return the lockout policy */
287 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
289 struct samr_DomInfo1 *password_policy);
291 /* enumerate trusted domains */
292 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
294 struct netr_DomainTrustList *trusts);
297 /* Filled out by IDMAP backends */
298 struct winbindd_idmap_methods {
299 /* Called when backend is first loaded */
302 bool (*get_sid_from_uid)(uid_t uid, struct dom_sid *sid);
303 bool (*get_sid_from_gid)(gid_t gid, struct dom_sid *sid);
305 bool (*get_uid_from_sid)(struct dom_sid *sid, uid_t *uid);
306 bool (*get_gid_from_sid)(struct dom_sid *sid, gid_t *gid);
308 /* Called when backend is unloaded */
310 /* Called to dump backend status */
311 void (*status)(void);
314 /* Data structures for dealing with the trusted domain cache */
316 struct winbindd_tdc_domain {
317 const char *domain_name;
318 const char *dns_name;
320 uint32_t trust_flags;
321 uint32_t trust_attribs;
325 struct WINBINDD_MEMORY_CREDS {
326 struct WINBINDD_MEMORY_CREDS *next, *prev;
327 const char *username; /* lookup key. */
331 uint8_t *nt_hash; /* Base pointer for the following 2 */
336 struct WINBINDD_CCACHE_ENTRY {
337 struct WINBINDD_CCACHE_ENTRY *next, *prev;
338 const char *principal_name;
341 const char *username;
343 struct WINBINDD_MEMORY_CREDS *cred_ptr;
349 struct tevent_timer *event;
352 #include "winbindd/winbindd_proto.h"
354 #define WINBINDD_ESTABLISH_LOOP 30
355 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
356 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
357 #define DOM_SEQUENCE_NONE ((uint32_t)-1)
359 #endif /* _WINBINDD_H */