source: trunk/samba/source/winbindd/winbindd.h@ 80

Last change on this file since 80 was 80, checked in by Paul Smedley, 18 years ago

...and some more
File size: 10.9 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 Winbind daemon for ntdom nss module
5
6 Copyright (C) Tim Potter 2000
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
8
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.
13
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.
18
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/>.
21*/
22
23#ifndef _WINBINDD_H
24#define _WINBINDD_H
25
26#include "nsswitch/winbind_struct_protocol.h"
27
28#ifdef HAVE_LIBNSCD
29#include <libnscd.h>
30#endif
31
32#ifdef HAVE_SYS_MMAN_H
33#include <sys/mman.h>
34#endif
35
36#undef DBGC_CLASS
37#define DBGC_CLASS DBGC_WINBIND
38
39#define WB_REPLACE_CHAR '_'
40
41/* bits for fd_event.flags */
42#define EVENT_FD_READ 1
43#define EVENT_FD_WRITE 2
44
45struct fd_event {
46 struct fd_event *next, *prev;
47 int fd;
48 int flags; /* see EVENT_FD_* flags */
49 void (*handler)(struct fd_event *fde, int flags);
50 void *data;
51 size_t length, done;
52 void (*finished)(void *private_data, BOOL success);
53 void *private_data;
54};
55
56struct sid_ctr {
57 DOM_SID *sid;
58 BOOL finished;
59 const char *domain;
60 const char *name;
61 enum lsa_SidType type;
62};
63
64struct winbindd_cli_state {
65 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
66 int sock; /* Open socket from client */
67 struct fd_event fd_event;
68 pid_t pid; /* pid of client */
69 BOOL finished; /* Can delete from list */
70 BOOL write_extra_data; /* Write extra_data field */
71 time_t last_access; /* Time of last access (read or write) */
72 BOOL privileged; /* Is the client 'privileged' */
73
74 TALLOC_CTX *mem_ctx; /* memory per request */
75 struct winbindd_request request; /* Request from client */
76 struct winbindd_response response; /* Respose to client */
77 BOOL getpwent_initialized; /* Has getpwent_state been
78 * initialized? */
79 BOOL getgrent_initialized; /* Has getgrent_state been
80 * initialized? */
81 struct getent_state *getpwent_state; /* State for getpwent() */
82 struct getent_state *getgrent_state; /* State for getgrent() */
83};
84
85/* State between get{pw,gr}ent() calls */
86
87struct getent_state {
88 struct getent_state *prev, *next;
89 void *sam_entries;
90 uint32 sam_entry_index, num_sam_entries;
91 BOOL got_sam_entries;
92 fstring domain_name;
93};
94
95/* Storage for cached getpwent() user entries */
96
97struct getpwent_user {
98 fstring name; /* Account name */
99 fstring gecos; /* User information */
100 fstring homedir; /* User Home Directory */
101 fstring shell; /* User Login Shell */
102 DOM_SID user_sid; /* NT user and primary group SIDs */
103 DOM_SID group_sid;
104};
105
106/* Server state structure */
107
108typedef struct {
109 char *acct_name;
110 char *full_name;
111 char *homedir;
112 char *shell;
113 gid_t primary_gid; /* allow the nss_info
114 backend to set the primary group */
115 DOM_SID user_sid; /* NT user and primary group SIDs */
116 DOM_SID group_sid;
117} WINBIND_USERINFO;
118
119/* Our connection to the DC */
120
121struct winbindd_cm_conn {
122 struct cli_state *cli;
123
124 struct rpc_pipe_client *samr_pipe;
125 POLICY_HND sam_connect_handle, sam_domain_handle;
126
127 struct rpc_pipe_client *lsa_pipe;
128 POLICY_HND lsa_policy;
129
130 struct rpc_pipe_client *netlogon_pipe;
131};
132
133struct winbindd_async_request;
134
135/* Async child */
136
137struct winbindd_child {
138 struct winbindd_child *next, *prev;
139
140 pid_t pid;
141 struct winbindd_domain *domain;
142 pstring logfilename;
143
144 struct fd_event event;
145 struct timed_event *lockout_policy_event;
146 struct winbindd_async_request *requests;
147};
148
149/* Structures to hold per domain information */
150
151struct winbindd_domain {
152 fstring name; /* Domain name (NetBIOS) */
153 fstring alt_name; /* alt Domain name, if any (FQDN for ADS) */
154 fstring forest_name; /* Name of the AD forest we're in */
155 DOM_SID sid; /* SID for this domain */
156 uint32 domain_flags; /* Domain flags from rpc_ds.h */
157 uint32 domain_type; /* Domain type from rpc_ds.h */
158 uint32 domain_trust_attribs; /* Trust attribs from rpc_ds.h */
159 BOOL initialized; /* Did we already ask for the domain mode? */
160 BOOL native_mode; /* is this a win2k domain in native mode ? */
161 BOOL active_directory; /* is this a win2k active directory ? */
162 BOOL primary; /* is this our primary domain ? */
163 BOOL internal; /* BUILTIN and member SAM */
164 BOOL online; /* is this domain available ? */
165 time_t startup_time; /* When we set "startup" true. */
166 BOOL startup; /* are we in the first 30 seconds after startup_time ? */
167
168 /* Lookup methods for this domain (LDAP or RPC) */
169 struct winbindd_methods *methods;
170
171 /* the backend methods are used by the cache layer to find the right
172 backend */
173 struct winbindd_methods *backend;
174
175 /* Private data for the backends (used for connection cache) */
176
177 void *private_data;
178
179 /* A working DC */
180 fstring dcname;
181 struct sockaddr_in dcaddr;
182
183 /* Sequence number stuff */
184
185 time_t last_seq_check;
186 uint32 sequence_number;
187 NTSTATUS last_status;
188
189 /* The smb connection */
190
191 struct winbindd_cm_conn conn;
192
193 /* The child pid we're talking to */
194
195 struct winbindd_child child;
196
197 /* Callback we use to try put us back online. */
198
199 uint32 check_online_timeout;
200 struct timed_event *check_online_event;
201
202 /* Linked list info */
203
204 struct winbindd_domain *prev, *next;
205};
206
207/* per-domain methods. This is how LDAP vs RPC is selected
208 */
209struct winbindd_methods {
210 /* does this backend provide a consistent view of the data? (ie. is the primary group
211 always correct) */
212 BOOL consistent;
213
214 /* get a list of users, returning a WINBIND_USERINFO for each one */
215 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
216 TALLOC_CTX *mem_ctx,
217 uint32 *num_entries,
218 WINBIND_USERINFO **info);
219
220 /* get a list of domain groups */
221 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
222 TALLOC_CTX *mem_ctx,
223 uint32 *num_entries,
224 struct acct_info **info);
225
226 /* get a list of domain local groups */
227 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
228 TALLOC_CTX *mem_ctx,
229 uint32 *num_entries,
230 struct acct_info **info);
231
232 /* convert one user or group name to a sid */
233 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
234 TALLOC_CTX *mem_ctx,
235 enum winbindd_cmd orig_cmd,
236 const char *domain_name,
237 const char *name,
238 DOM_SID *sid,
239 enum lsa_SidType *type);
240
241 /* convert a sid to a user or group name */
242 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
243 TALLOC_CTX *mem_ctx,
244 const DOM_SID *sid,
245 char **domain_name,
246 char **name,
247 enum lsa_SidType *type);
248
249 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
250 TALLOC_CTX *mem_ctx,
251 const DOM_SID *domain_sid,
252 uint32 *rids,
253 size_t num_rids,
254 char **domain_name,
255 char ***names,
256 enum lsa_SidType **types);
257
258 /* lookup user info for a given SID */
259 NTSTATUS (*query_user)(struct winbindd_domain *domain,
260 TALLOC_CTX *mem_ctx,
261 const DOM_SID *user_sid,
262 WINBIND_USERINFO *user_info);
263
264 /* lookup all groups that a user is a member of. The backend
265 can also choose to lookup by username or rid for this
266 function */
267 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
268 TALLOC_CTX *mem_ctx,
269 const DOM_SID *user_sid,
270 uint32 *num_groups, DOM_SID **user_gids);
271
272 /* Lookup all aliases that the sids delivered are member of. This is
273 * to implement 'domain local groups' correctly */
274 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
275 TALLOC_CTX *mem_ctx,
276 uint32 num_sids,
277 const DOM_SID *sids,
278 uint32 *num_aliases,
279 uint32 **alias_rids);
280
281 /* find all members of the group with the specified group_rid */
282 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
283 TALLOC_CTX *mem_ctx,
284 const DOM_SID *group_sid,
285 uint32 *num_names,
286 DOM_SID **sid_mem, char ***names,
287 uint32 **name_types);
288
289 /* return the current global sequence number */
290 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
291
292 /* return the lockout policy */
293 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
294 TALLOC_CTX *mem_ctx,
295 SAM_UNK_INFO_12 *lockout_policy);
296
297 /* return the lockout policy */
298 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
299 TALLOC_CTX *mem_ctx,
300 SAM_UNK_INFO_1 *password_policy);
301
302 /* enumerate trusted domains */
303 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
304 TALLOC_CTX *mem_ctx,
305 uint32 *num_domains,
306 char ***names,
307 char ***alt_names,
308 DOM_SID **dom_sids);
309};
310
311/* Used to glue a policy handle and cli_state together */
312
313typedef struct {
314 struct cli_state *cli;
315 POLICY_HND pol;
316} CLI_POLICY_HND;
317
318/* Filled out by IDMAP backends */
319struct winbindd_idmap_methods {
320 /* Called when backend is first loaded */
321 BOOL (*init)(void);
322
323 BOOL (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
324 BOOL (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
325
326 BOOL (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
327 BOOL (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
328
329 /* Called when backend is unloaded */
330 BOOL (*close)(void);
331 /* Called to dump backend status */
332 void (*status)(void);
333};
334
335/* Data structures for dealing with the trusted domain cache */
336
337struct winbindd_tdc_domain {
338 const char *domain_name;
339 const char *dns_name;
340 DOM_SID sid;
341 uint32 trust_flags;
342 uint32 trust_attribs;
343 uint32 trust_type;
344};
345
346
347#include "winbindd/winbindd_proto.h"
348
349#define WINBINDD_ESTABLISH_LOOP 30
350#define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
351#define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
352#define DOM_SEQUENCE_NONE ((uint32)-1)
353
354#define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
355 ( get_global_winbindd_state_offline() \
356 || !(x)->online ) )
357#endif /* _WINBINDD_H */
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