source: branches/samba-3.0/source/nsswitch/winbindd.h

Last change on this file was 165, checked in by Paul Smedley, 16 years ago

Add 'missing' 3.0.34 diffs
File size: 10.0 KB
RevLine 
[165]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 Library General Public
11 License as published by the Free Software Foundation; either
12 version 2 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 Library General Public
20 License along with this library; if not, write to the
21 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA.
23*/
24
25#ifndef _WINBINDD_H
26#define _WINBINDD_H
27
28#include "nterr.h"
29
30#include "winbindd_nss.h"
31
32#ifdef HAVE_LIBNSCD
33#include "libnscd.h"
34#endif
35
36#ifdef HAVE_SYS_MMAN_H
37#include <sys/mman.h>
38#endif
39
40#undef DBGC_CLASS
41#define DBGC_CLASS DBGC_WINBIND
42
43#define WB_REPLACE_CHAR '_'
44
45/* bits for fd_event.flags */
46#define EVENT_FD_READ 1
47#define EVENT_FD_WRITE 2
48
49struct fd_event {
50 struct fd_event *next, *prev;
51 int fd;
52 int flags; /* see EVENT_FD_* flags */
53 void (*handler)(struct fd_event *fde, int flags);
54 void *data;
55 size_t length, done;
56 void (*finished)(void *private_data, BOOL success);
57 void *private_data;
58};
59
60struct sid_ctr {
61 DOM_SID *sid;
62 BOOL finished;
63 const char *domain;
64 const char *name;
65 enum lsa_SidType type;
66};
67
68struct winbindd_cli_state {
69 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
70 int sock; /* Open socket from client */
71 struct fd_event fd_event;
72 pid_t pid; /* pid of client */
73 BOOL finished; /* Can delete from list */
74 BOOL write_extra_data; /* Write extra_data field */
75 time_t last_access; /* Time of last access (read or write) */
76 BOOL privileged; /* Is the client 'privileged' */
77
78 TALLOC_CTX *mem_ctx; /* memory per request */
79 struct winbindd_request request; /* Request from client */
80 struct winbindd_response response; /* Respose to client */
81 BOOL getpwent_initialized; /* Has getpwent_state been
82 * initialized? */
83 BOOL getgrent_initialized; /* Has getgrent_state been
84 * initialized? */
85 struct getent_state *getpwent_state; /* State for getpwent() */
86 struct getent_state *getgrent_state; /* State for getgrent() */
87};
88
89/* State between get{pw,gr}ent() calls */
90
91struct getent_state {
92 struct getent_state *prev, *next;
93 void *sam_entries;
94 uint32 sam_entry_index, num_sam_entries;
95 BOOL got_sam_entries;
96 fstring domain_name;
97};
98
99/* Storage for cached getpwent() user entries */
100
101struct getpwent_user {
102 fstring name; /* Account name */
103 fstring gecos; /* User information */
104 fstring homedir; /* User Home Directory */
105 fstring shell; /* User Login Shell */
106 DOM_SID user_sid; /* NT user and primary group SIDs */
107 DOM_SID group_sid;
108};
109
110/* Server state structure */
111
112typedef struct {
113 char *acct_name;
114 char *full_name;
115 char *homedir;
116 char *shell;
117 gid_t primary_gid; /* allow the nss_info
118 backend to set the primary group */
119 DOM_SID user_sid; /* NT user and primary group SIDs */
120 DOM_SID group_sid;
121} WINBIND_USERINFO;
122
123/* Our connection to the DC */
124
125struct winbindd_cm_conn {
126 struct cli_state *cli;
127
128 struct rpc_pipe_client *samr_pipe;
129 POLICY_HND sam_connect_handle, sam_domain_handle;
130
131 struct rpc_pipe_client *lsa_pipe;
132 POLICY_HND lsa_policy;
133
134 struct rpc_pipe_client *netlogon_pipe;
135};
136
137struct winbindd_async_request;
138
139/* Async child */
140
141struct winbindd_child {
142 struct winbindd_child *next, *prev;
143
144 pid_t pid;
145 struct winbindd_domain *domain;
146 pstring logfilename;
147
148 struct fd_event event;
149 struct timed_event *lockout_policy_event;
150 struct winbindd_async_request *requests;
151};
152
153/* Structures to hold per domain information */
154
155struct winbindd_domain {
156 fstring name; /* Domain name */
157 fstring alt_name; /* alt Domain name (if any) */
158 fstring forest_name; /* Name of the AD forest we're in */
159 DOM_SID sid; /* SID for this domain */
160 BOOL initialized; /* Did we already ask for the domain mode? */
161 BOOL native_mode; /* is this a win2k domain in native mode ? */
162 BOOL active_directory; /* is this a win2k active directory ? */
163 BOOL primary; /* is this our primary domain ? */
164 BOOL internal; /* BUILTIN and member SAM */
165 BOOL online; /* is this domain available ? */
166 time_t startup_time; /* When we set "startup" true. */
167 BOOL startup; /* are we in the first 30 seconds after startup_time ? */
168
169 /* Lookup methods for this domain (LDAP or RPC) */
170 struct winbindd_methods *methods;
171
172 /* the backend methods are used by the cache layer to find the right
173 backend */
174 struct winbindd_methods *backend;
175
176 /* Private data for the backends (used for connection cache) */
177
178 void *private_data;
179
180 /* A working DC */
181 fstring dcname;
182 struct sockaddr_in dcaddr;
183
184 /* Sequence number stuff */
185
186 time_t last_seq_check;
187 uint32 sequence_number;
188 NTSTATUS last_status;
189
190 /* The smb connection */
191
192 struct winbindd_cm_conn conn;
193
194 /* The child pid we're talking to */
195
196 struct winbindd_child child;
197
198 /* Callback we use to try put us back online. */
199
200 uint32 check_online_timeout;
201 struct timed_event *check_online_event;
202
203 /* Linked list info */
204
205 struct winbindd_domain *prev, *next;
206};
207
208/* per-domain methods. This is how LDAP vs RPC is selected
209 */
210struct winbindd_methods {
211 /* does this backend provide a consistent view of the data? (ie. is the primary group
212 always correct) */
213 BOOL consistent;
214
215 /* get a list of users, returning a WINBIND_USERINFO for each one */
216 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
217 TALLOC_CTX *mem_ctx,
218 uint32 *num_entries,
219 WINBIND_USERINFO **info);
220
221 /* get a list of domain groups */
222 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
223 TALLOC_CTX *mem_ctx,
224 uint32 *num_entries,
225 struct acct_info **info);
226
227 /* get a list of domain local groups */
228 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
229 TALLOC_CTX *mem_ctx,
230 uint32 *num_entries,
231 struct acct_info **info);
232
233 /* convert one user or group name to a sid */
234 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
235 TALLOC_CTX *mem_ctx,
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#include "nsswitch/winbindd_proto.h"
336
337#define WINBINDD_ESTABLISH_LOOP 30
338#define WINBINDD_RESCAN_FREQ 300
339#define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
340#define DOM_SEQUENCE_NONE ((uint32)-1)
341
342#endif /* _WINBINDD_H */
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