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 bool netlogon_force_reauth;
108 struct winbindd_domain;
110 struct winbindd_child_dispatch_table {
112 enum winbindd_cmd struct_cmd;
113 enum winbindd_result (*struct_fn)(struct winbindd_domain *domain,
114 struct winbindd_cli_state *state);
117 struct winbindd_child {
118 struct winbindd_child *next, *prev;
121 struct winbindd_domain *domain;
125 struct tevent_queue *queue;
126 struct dcerpc_binding_handle *binding_handle;
128 struct tevent_timer *lockout_policy_event;
129 struct tevent_timer *machine_password_change_event;
131 const struct winbindd_child_dispatch_table *table;
134 /* Structures to hold per domain information */
136 struct winbindd_domain {
137 char *name; /* Domain name (NetBIOS) */
138 char *alt_name; /* alt Domain name, if any (FQDN for ADS) */
139 char *forest_name; /* Name of the AD forest we're in */
140 struct dom_sid sid; /* SID for this domain */
141 enum netr_SchannelType secure_channel_type;
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 struct winbindd_domain *routing_domain;
146 bool initialized; /* Did we already ask for the domain mode? */
147 bool native_mode; /* is this a win2k domain in native mode ? */
148 bool active_directory; /* is this a win2k active directory ? */
149 bool primary; /* is this our primary domain ? */
150 bool internal; /* BUILTIN and member SAM */
151 bool rodc; /* Are we an RODC for this AD domain? (do some operations locally) */
152 bool online; /* is this domain available ? */
153 time_t startup_time; /* When we set "startup" true. monotonic clock */
154 bool startup; /* are we in the first 30 seconds after startup_time ? */
156 bool can_do_ncacn_ip_tcp;
159 * Lookup methods for this domain (LDAP or RPC). The backend
160 * methods are used by the cache layer.
162 struct winbindd_methods *backend;
164 /* Private data for the backends (used for connection cache) */
169 pid_t dc_probe_pid; /* Child we're using to detect the DC. */
171 struct sockaddr_storage dcaddr;
173 /* Sequence number stuff */
175 time_t last_seq_check;
176 uint32_t sequence_number;
177 NTSTATUS last_status;
179 /* The smb connection */
181 struct winbindd_cm_conn conn;
183 /* The child pid we're talking to */
185 struct winbindd_child *children;
187 struct tevent_queue *queue;
188 struct dcerpc_binding_handle *binding_handle;
190 /* Callback we use to try put us back online. */
192 uint32_t check_online_timeout;
193 struct tevent_timer *check_online_event;
195 /* Linked list info */
197 struct winbindd_domain *prev, *next;
200 struct wb_acct_info {
201 fstring acct_name; /* account name */
202 fstring acct_desc; /* account name */
203 uint32_t rid; /* domain-relative RID */
206 /* per-domain methods. This is how LDAP vs RPC is selected
208 struct winbindd_methods {
209 /* does this backend provide a consistent view of the data? (ie. is the primary group
213 /* get a list of users, returning a wbint_userinfo for each one */
214 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
218 /* get a list of domain groups */
219 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
221 uint32_t *num_entries,
222 struct wb_acct_info **info);
224 /* get a list of domain local groups */
225 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
227 uint32_t *num_entries,
228 struct wb_acct_info **info);
230 /* convert one user or group name to a sid */
231 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
233 const char *domain_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 /* return the current global sequence number */
283 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32_t *seq);
285 /* return the lockout policy */
286 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
288 struct samr_DomInfo12 *lockout_policy);
290 /* return the lockout policy */
291 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
293 struct samr_DomInfo1 *password_policy);
295 /* enumerate trusted domains */
296 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
298 struct netr_DomainTrustList *trusts);
301 /* Filled out by IDMAP backends */
302 struct winbindd_idmap_methods {
303 /* Called when backend is first loaded */
306 bool (*get_sid_from_uid)(uid_t uid, struct dom_sid *sid);
307 bool (*get_sid_from_gid)(gid_t gid, struct dom_sid *sid);
309 bool (*get_uid_from_sid)(struct dom_sid *sid, uid_t *uid);
310 bool (*get_gid_from_sid)(struct dom_sid *sid, gid_t *gid);
312 /* Called when backend is unloaded */
314 /* Called to dump backend status */
315 void (*status)(void);
318 /* Data structures for dealing with the trusted domain cache */
320 struct winbindd_tdc_domain {
321 const char *domain_name;
322 const char *dns_name;
324 uint32_t trust_flags;
325 uint32_t trust_attribs;
329 struct WINBINDD_MEMORY_CREDS {
330 struct WINBINDD_MEMORY_CREDS *next, *prev;
331 const char *username; /* lookup key. */
335 uint8_t *nt_hash; /* Base pointer for the following 2 */
340 struct WINBINDD_CCACHE_ENTRY {
341 struct WINBINDD_CCACHE_ENTRY *next, *prev;
342 const char *principal_name;
345 const char *username;
347 struct WINBINDD_MEMORY_CREDS *cred_ptr;
353 struct tevent_timer *event;
356 #include "winbindd/winbindd_proto.h"
358 #define WINBINDD_ESTABLISH_LOOP 30
359 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
360 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
361 #define DOM_SEQUENCE_NONE ((uint32_t)-1)
363 #endif /* _WINBINDD_H */