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 */
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; /* Respose to client */
64 bool getpwent_initialized; /* Has getpwent_state been
66 bool getgrent_initialized; /* Has getgrent_state been
69 struct getpwent_state *pwent_state; /* State for getpwent() */
70 struct getgrent_state *grent_state; /* State for getgrent() */
73 struct getpwent_state {
74 struct winbindd_domain *domain;
77 struct wbint_userinfo *users;
80 struct getgrent_state {
81 struct winbindd_domain *domain;
84 struct wbint_Principal *groups;
87 /* Storage for cached getpwent() user entries */
89 struct getpwent_user {
90 fstring name; /* Account name */
91 fstring gecos; /* User information */
92 fstring homedir; /* User Home Directory */
93 fstring shell; /* User Login Shell */
94 DOM_SID user_sid; /* NT user and primary group SIDs */
98 /* Our connection to the DC */
100 struct winbindd_cm_conn {
101 struct cli_state *cli;
103 struct rpc_pipe_client *samr_pipe;
104 struct policy_handle sam_connect_handle, sam_domain_handle;
106 struct rpc_pipe_client *lsa_pipe;
107 struct rpc_pipe_client *lsa_pipe_tcp;
108 struct policy_handle lsa_policy;
110 struct rpc_pipe_client *netlogon_pipe;
115 struct winbindd_domain;
117 struct winbindd_child_dispatch_table {
119 enum winbindd_cmd struct_cmd;
120 enum winbindd_result (*struct_fn)(struct winbindd_domain *domain,
121 struct winbindd_cli_state *state);
124 struct winbindd_child {
125 struct winbindd_child *next, *prev;
128 struct winbindd_domain *domain;
132 struct tevent_queue *queue;
133 struct rpc_pipe_client *rpccli;
135 struct timed_event *lockout_policy_event;
136 struct timed_event *machine_password_change_event;
138 const struct winbindd_child_dispatch_table *table;
141 /* Structures to hold per domain information */
143 struct winbindd_domain {
144 fstring name; /* Domain name (NetBIOS) */
145 fstring alt_name; /* alt Domain name, if any (FQDN for ADS) */
146 fstring forest_name; /* Name of the AD forest we're in */
147 DOM_SID sid; /* SID for this domain */
148 uint32 domain_flags; /* Domain flags from netlogon.h */
149 uint32 domain_type; /* Domain type from netlogon.h */
150 uint32 domain_trust_attribs; /* Trust attribs from netlogon.h */
151 bool initialized; /* Did we already ask for the domain mode? */
152 bool native_mode; /* is this a win2k domain in native mode ? */
153 bool active_directory; /* is this a win2k active directory ? */
154 bool primary; /* is this our primary domain ? */
155 bool internal; /* BUILTIN and member SAM */
156 bool online; /* is this domain available ? */
157 time_t startup_time; /* When we set "startup" true. */
158 bool startup; /* are we in the first 30 seconds after startup_time ? */
160 bool can_do_samlogon_ex; /* Due to the lack of finer control what type
161 * of DC we have, let us try to do a
162 * credential-chain less samlogon_ex call
163 * with AD and schannel. If this fails with
164 * DCERPC_FAULT_OP_RNG_ERROR, then set this
165 * to False. This variable is around so that
166 * we don't have to try _ex every time. */
168 bool can_do_ncacn_ip_tcp;
170 /* Lookup methods for this domain (LDAP or RPC) */
171 struct winbindd_methods *methods;
173 /* the backend methods are used by the cache layer to find the right
175 struct winbindd_methods *backend;
177 /* Private data for the backends (used for connection cache) */
182 * idmap config settings, used to tell the idmap child which
183 * special domain config to use for a mapping
185 bool have_idmap_config;
186 uint32_t id_range_low, id_range_high;
189 pid_t dc_probe_pid; /* Child we're using to detect the DC. */
191 struct sockaddr_storage dcaddr;
193 /* Sequence number stuff */
195 time_t last_seq_check;
196 uint32 sequence_number;
197 NTSTATUS last_status;
199 /* The smb connection */
201 struct winbindd_cm_conn conn;
203 /* The child pid we're talking to */
205 struct winbindd_child child;
207 /* Callback we use to try put us back online. */
209 uint32 check_online_timeout;
210 struct timed_event *check_online_event;
212 /* Linked list info */
214 struct winbindd_domain *prev, *next;
217 /* per-domain methods. This is how LDAP vs RPC is selected
219 struct winbindd_methods {
220 /* does this backend provide a consistent view of the data? (ie. is the primary group
224 /* get a list of users, returning a wbint_userinfo for each one */
225 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
228 struct wbint_userinfo **info);
230 /* get a list of domain groups */
231 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
234 struct acct_info **info);
236 /* get a list of domain local groups */
237 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
240 struct acct_info **info);
242 /* convert one user or group name to a sid */
243 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
245 const char *domain_name,
249 enum lsa_SidType *type);
251 /* convert a sid to a user or group name */
252 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
257 enum lsa_SidType *type);
259 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
261 const DOM_SID *domain_sid,
266 enum lsa_SidType **types);
268 /* lookup user info for a given SID */
269 NTSTATUS (*query_user)(struct winbindd_domain *domain,
271 const DOM_SID *user_sid,
272 struct wbint_userinfo *user_info);
274 /* lookup all groups that a user is a member of. The backend
275 can also choose to lookup by username or rid for this
277 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
279 const DOM_SID *user_sid,
280 uint32 *num_groups, DOM_SID **user_gids);
282 /* Lookup all aliases that the sids delivered are member of. This is
283 * to implement 'domain local groups' correctly */
284 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
289 uint32 **alias_rids);
291 /* find all members of the group with the specified group_rid */
292 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
294 const DOM_SID *group_sid,
295 enum lsa_SidType type,
297 DOM_SID **sid_mem, char ***names,
298 uint32 **name_types);
300 /* return the current global sequence number */
301 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
303 /* return the lockout policy */
304 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
306 struct samr_DomInfo12 *lockout_policy);
308 /* return the lockout policy */
309 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
311 struct samr_DomInfo1 *password_policy);
313 /* enumerate trusted domains */
314 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
322 /* Filled out by IDMAP backends */
323 struct winbindd_idmap_methods {
324 /* Called when backend is first loaded */
327 bool (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
328 bool (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
330 bool (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
331 bool (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
333 /* Called when backend is unloaded */
335 /* Called to dump backend status */
336 void (*status)(void);
339 /* Data structures for dealing with the trusted domain cache */
341 struct winbindd_tdc_domain {
342 const char *domain_name;
343 const char *dns_name;
346 uint32 trust_attribs;
350 /* Switch for listing users or groups */
356 struct WINBINDD_MEMORY_CREDS {
357 struct WINBINDD_MEMORY_CREDS *next, *prev;
358 const char *username; /* lookup key. */
362 uint8_t *nt_hash; /* Base pointer for the following 2 */
367 struct WINBINDD_CCACHE_ENTRY {
368 struct WINBINDD_CCACHE_ENTRY *next, *prev;
369 const char *principal_name;
372 const char *username;
374 struct WINBINDD_MEMORY_CREDS *cred_ptr;
380 struct timed_event *event;
383 #include "winbindd/winbindd_proto.h"
385 #define WINBINDD_ESTABLISH_LOOP 30
386 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
387 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
388 #define DOM_SEQUENCE_NONE ((uint32)-1)
390 #define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
391 ( get_global_winbindd_state_offline() \
393 #define IS_DOMAIN_ONLINE(x) (!IS_DOMAIN_OFFLINE(x))
395 #endif /* _WINBINDD_H */