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 '_'
46 struct winbind_internal_pipes;
49 struct winbindd_cli_state {
50 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
51 int sock; /* Open socket from client */
52 pid_t pid; /* pid of client */
53 char client_name[32]; /* The process name of the client */
54 time_t last_access; /* Time of last access (read or write) */
55 bool privileged; /* Is the client 'privileged' */
57 TALLOC_CTX *mem_ctx; /* memory per request */
59 NTSTATUS (*recv_fn)(struct tevent_req *req,
60 struct winbindd_response *presp);
61 struct winbindd_request *request; /* Request from client */
62 struct tevent_queue *out_queue;
63 struct winbindd_response *response; /* Response to client */
64 struct tevent_req *io_req; /* wb_req_read_* or wb_resp_write_* */
66 struct getpwent_state *pwent_state; /* State for getpwent() */
67 struct getgrent_state *grent_state; /* State for getgrent() */
70 struct getpwent_state {
71 struct winbindd_domain *domain;
73 struct wbint_RidArray rids;
76 struct getgrent_state {
77 struct winbindd_domain *domain;
80 struct wbint_Principal *groups;
83 /* Our connection to the DC */
85 struct winbindd_cm_conn {
86 struct cli_state *cli;
88 enum dcerpc_AuthLevel auth_level;
90 struct rpc_pipe_client *samr_pipe;
91 struct policy_handle sam_connect_handle, sam_domain_handle;
93 struct rpc_pipe_client *lsa_pipe;
94 struct rpc_pipe_client *lsa_pipe_tcp;
95 struct policy_handle lsa_policy;
97 struct rpc_pipe_client *netlogon_pipe;
98 struct netlogon_creds_cli_context *netlogon_creds_ctx;
99 bool netlogon_force_reauth;
104 struct winbindd_domain;
106 struct winbindd_child {
108 struct winbindd_domain *domain;
112 struct tevent_fd *monitor_fde; /* Watch for dead children/sockets */
113 struct tevent_queue *queue;
114 struct dcerpc_binding_handle *binding_handle;
116 struct tevent_timer *lockout_policy_event;
117 struct tevent_timer *machine_password_change_event;
120 /* Structures to hold per domain information */
122 struct winbindd_domain {
123 char *name; /* Domain name (NetBIOS) */
124 char *alt_name; /* alt Domain name, if any (FQDN for ADS) */
125 char *forest_name; /* Name of the AD forest we're in */
126 struct dom_sid sid; /* SID for this domain */
127 enum netr_SchannelType secure_channel_type;
128 uint32_t domain_flags; /* Domain flags from netlogon.h */
129 uint32_t domain_type; /* Domain type from netlogon.h */
130 uint32_t domain_trust_attribs; /* Trust attribs from netlogon.h */
131 struct winbindd_domain *routing_domain;
132 bool initialized; /* Did we already ask for the domain mode? */
133 bool native_mode; /* is this a win2k domain in native mode ? */
134 bool active_directory; /* is this a win2k active directory ? */
135 bool primary; /* is this our primary domain ? */
136 bool internal; /* BUILTIN and member SAM */
137 bool rodc; /* Are we an RODC for this AD domain? (do some operations locally) */
138 bool online; /* is this domain available ? */
139 time_t startup_time; /* When we set "startup" true. monotonic clock */
140 bool startup; /* are we in the first 30 seconds after startup_time ? */
142 bool can_do_ncacn_ip_tcp;
145 * Lookup methods for this domain (LDAP or RPC). The backend
146 * methods are used by the cache layer.
148 struct winbindd_methods *backend;
151 struct winbind_internal_pipes *samr_pipes;
152 struct ads_struct *ads_conn;
158 const char *ping_dcname;
159 struct sockaddr_storage dcaddr;
161 /* Sequence number stuff */
163 time_t last_seq_check;
164 uint32_t sequence_number;
165 NTSTATUS last_status;
167 /* The smb connection */
169 struct winbindd_cm_conn conn;
171 /* The child pid we're talking to */
173 struct winbindd_child *children;
175 struct tevent_queue *queue;
176 struct dcerpc_binding_handle *binding_handle;
178 struct tevent_req *check_online_event;
180 /* Linked list info */
182 struct winbindd_domain *prev, *next;
185 struct wb_parent_idmap_config_dom {
192 struct wb_parent_idmap_config {
193 struct tevent_queue *queue;
196 struct wb_parent_idmap_config_dom *doms;
199 struct wb_acct_info {
200 const char *acct_name; /* account name */
201 const char *acct_desc; /* account name */
202 uint32_t rid; /* domain-relative RID */
205 /* per-domain methods. This is how LDAP vs RPC is selected
207 struct winbindd_methods {
208 /* does this backend provide a consistent view of the data? (ie. is the primary group
212 /* get a list of users, returning a wbint_userinfo for each one */
213 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
217 /* get a list of domain groups */
218 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
220 uint32_t *num_entries,
221 struct wb_acct_info **info);
223 /* get a list of domain local groups */
224 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
226 uint32_t *num_entries,
227 struct wb_acct_info **info);
229 /* convert one user or group name to a sid */
230 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
232 const char *domain_name,
235 const char **pdom_name,
237 enum lsa_SidType *type);
239 /* convert a sid to a user or group name */
240 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
242 const struct dom_sid *sid,
245 enum lsa_SidType *type);
247 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
249 const struct dom_sid *domain_sid,
254 enum lsa_SidType **types);
256 /* lookup all groups that a user is a member of. The backend
257 can also choose to lookup by username or rid for this
259 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
261 const struct dom_sid *user_sid,
262 uint32_t *num_groups, struct dom_sid **user_gids);
264 /* Lookup all aliases that the sids delivered are member of. This is
265 * to implement 'domain local groups' correctly */
266 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
269 const struct dom_sid *sids,
270 uint32_t *num_aliases,
271 uint32_t **alias_rids);
273 /* find all members of the group with the specified group_rid */
274 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
276 const struct dom_sid *group_sid,
277 enum lsa_SidType type,
279 struct dom_sid **sid_mem, char ***names,
280 uint32_t **name_types);
282 /* find all members of the alias with the specified alias_sid */
283 NTSTATUS (*lookup_aliasmem)(struct winbindd_domain *domain,
285 const struct dom_sid *alias_sid,
286 enum lsa_SidType type,
288 struct dom_sid **sid_mem);
290 /* return the lockout policy */
291 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
293 struct samr_DomInfo12 *lockout_policy);
295 /* return the lockout policy */
296 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
298 struct samr_DomInfo1 *password_policy);
300 /* enumerate trusted domains */
301 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
303 struct netr_DomainTrustList *trusts);
306 /* Filled out by IDMAP backends */
307 struct winbindd_idmap_methods {
308 /* Called when backend is first loaded */
311 bool (*get_sid_from_uid)(uid_t uid, struct dom_sid *sid);
312 bool (*get_sid_from_gid)(gid_t gid, struct dom_sid *sid);
314 bool (*get_uid_from_sid)(struct dom_sid *sid, uid_t *uid);
315 bool (*get_gid_from_sid)(struct dom_sid *sid, gid_t *gid);
317 /* Called when backend is unloaded */
319 /* Called to dump backend status */
320 void (*status)(void);
323 /* Data structures for dealing with the trusted domain cache */
325 struct winbindd_tdc_domain {
326 const char *domain_name;
327 const char *dns_name;
329 uint32_t trust_flags;
330 uint32_t trust_attribs;
334 struct WINBINDD_MEMORY_CREDS {
335 struct WINBINDD_MEMORY_CREDS *next, *prev;
336 const char *username; /* lookup key. */
340 uint8_t *nt_hash; /* Base pointer for the following 2 */
345 struct WINBINDD_CCACHE_ENTRY {
346 struct WINBINDD_CCACHE_ENTRY *next, *prev;
347 const char *principal_name;
350 const char *username;
352 const char *canon_principal;
353 const char *canon_realm;
354 struct WINBINDD_MEMORY_CREDS *cred_ptr;
360 struct tevent_timer *event;
363 #include "winbindd/winbindd_proto.h"
365 #define WINBINDD_ESTABLISH_LOOP 30
366 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
367 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
368 #define DOM_SEQUENCE_NONE ((uint32_t)-1)
370 #endif /* _WINBINDD_H */