source: trunk/samba-3.0.25pre1/source/nsswitch/winbindd.h@ 5

Last change on this file since 5 was 1, checked in by Paul Smedley, 18 years ago

Initial code import
File size: 10.0 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 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/* bits for fd_event.flags */
44#define EVENT_FD_READ 1
45#define EVENT_FD_WRITE 2
46
47struct fd_event {
48 struct fd_event *next, *prev;
49 int fd;
50 int flags; /* see EVENT_FD_* flags */
51 void (*handler)(struct fd_event *fde, int flags);
52 void *data;
53 size_t length, done;
54 void (*finished)(void *private_data, BOOL success);
55 void *private_data;
56};
57
58struct sid_ctr {
59 DOM_SID *sid;
60 BOOL finished;
61 const char *domain;
62 const char *name;
63 enum lsa_SidType type;
64};
65
66struct winbindd_cli_state {
67 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
68 int sock; /* Open socket from client */
69 struct fd_event fd_event;
70 pid_t pid; /* pid of client */
71 BOOL finished; /* Can delete from list */
72 BOOL write_extra_data; /* Write extra_data field */
73 time_t last_access; /* Time of last access (read or write) */
74 BOOL privileged; /* Is the client 'privileged' */
75
76 TALLOC_CTX *mem_ctx; /* memory per request */
77 struct winbindd_request request; /* Request from client */
78 struct winbindd_response response; /* Respose to client */
79 BOOL getpwent_initialized; /* Has getpwent_state been
80 * initialized? */
81 BOOL getgrent_initialized; /* Has getgrent_state been
82 * initialized? */
83 struct getent_state *getpwent_state; /* State for getpwent() */
84 struct getent_state *getgrent_state; /* State for getgrent() */
85};
86
87/* State between get{pw,gr}ent() calls */
88
89struct getent_state {
90 struct getent_state *prev, *next;
91 void *sam_entries;
92 uint32 sam_entry_index, num_sam_entries;
93 BOOL got_sam_entries;
94 fstring domain_name;
95};
96
97/* Storage for cached getpwent() user entries */
98
99struct getpwent_user {
100 fstring name; /* Account name */
101 fstring gecos; /* User information */
102 fstring homedir; /* User Home Directory */
103 fstring shell; /* User Login Shell */
104 DOM_SID user_sid; /* NT user and primary group SIDs */
105 DOM_SID group_sid;
106};
107
108/* Server state structure */
109
110typedef struct {
111 char *acct_name;
112 char *full_name;
113 char *homedir;
114 char *shell;
115 gid_t primary_gid; /* allow the nss_info
116 backend to set the primary group */
117 DOM_SID user_sid; /* NT user and primary group SIDs */
118 DOM_SID group_sid;
119} WINBIND_USERINFO;
120
121/* Our connection to the DC */
122
123struct winbindd_cm_conn {
124 struct cli_state *cli;
125
126 struct rpc_pipe_client *samr_pipe;
127 POLICY_HND sam_connect_handle, sam_domain_handle;
128
129 struct rpc_pipe_client *lsa_pipe;
130 POLICY_HND lsa_policy;
131
132 struct rpc_pipe_client *netlogon_pipe;
133};
134
135struct winbindd_async_request;
136
137/* Async child */
138
139struct winbindd_child {
140 struct winbindd_child *next, *prev;
141
142 pid_t pid;
143 struct winbindd_domain *domain;
144 pstring logfilename;
145
146 struct fd_event event;
147 struct timed_event *lockout_policy_event;
148 struct winbindd_async_request *requests;
149};
150
151/* Structures to hold per domain information */
152
153struct winbindd_domain {
154 fstring name; /* Domain name */
155 fstring alt_name; /* alt Domain name (if any) */
156 fstring forest_name; /* Name of the AD forest we're in */
157 DOM_SID sid; /* SID for this domain */
158 BOOL initialized; /* Did we already ask for the domain mode? */
159 BOOL native_mode; /* is this a win2k domain in native mode ? */
160 BOOL active_directory; /* is this a win2k active directory ? */
161 BOOL primary; /* is this our primary domain ? */
162 BOOL internal; /* BUILTIN and member SAM */
163 BOOL online; /* is this domain available ? */
164 time_t startup_time; /* When we set "startup" true. */
165 BOOL startup; /* are we in the first 30 seconds after startup_time ? */
166
167 /* Lookup methods for this domain (LDAP or RPC) */
168 struct winbindd_methods *methods;
169
170 /* the backend methods are used by the cache layer to find the right
171 backend */
172 struct winbindd_methods *backend;
173
174 /* Private data for the backends (used for connection cache) */
175
176 void *private_data;
177
178 /* A working DC */
179 fstring dcname;
180 struct sockaddr_in dcaddr;
181
182 /* Sequence number stuff */
183
184 time_t last_seq_check;
185 uint32 sequence_number;
186 NTSTATUS last_status;
187
188 /* The smb connection */
189
190 struct winbindd_cm_conn conn;
191
192 /* The child pid we're talking to */
193
194 struct winbindd_child child;
195
196 /* Callback we use to try put us back online. */
197
198 uint32 check_online_timeout;
199 struct timed_event *check_online_event;
200
201 /* Linked list info */
202
203 struct winbindd_domain *prev, *next;
204};
205
206/* per-domain methods. This is how LDAP vs RPC is selected
207 */
208struct winbindd_methods {
209 /* does this backend provide a consistent view of the data? (ie. is the primary group
210 always correct) */
211 BOOL consistent;
212
213 /* get a list of users, returning a WINBIND_USERINFO for each one */
214 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
215 TALLOC_CTX *mem_ctx,
216 uint32 *num_entries,
217 WINBIND_USERINFO **info);
218
219 /* get a list of domain groups */
220 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
221 TALLOC_CTX *mem_ctx,
222 uint32 *num_entries,
223 struct acct_info **info);
224
225 /* get a list of domain local groups */
226 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
227 TALLOC_CTX *mem_ctx,
228 uint32 *num_entries,
229 struct acct_info **info);
230
231 /* convert one user or group name to a sid */
232 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
233 TALLOC_CTX *mem_ctx,
234 const char *domain_name,
235 const char *name,
236 DOM_SID *sid,
237 enum lsa_SidType *type);
238
239 /* convert a sid to a user or group name */
240 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
241 TALLOC_CTX *mem_ctx,
242 const DOM_SID *sid,
243 char **domain_name,
244 char **name,
245 enum lsa_SidType *type);
246
247 NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
248 TALLOC_CTX *mem_ctx,
249 const DOM_SID *domain_sid,
250 uint32 *rids,
251 size_t num_rids,
252 char **domain_name,
253 char ***names,
254 enum lsa_SidType **types);
255
256 /* lookup user info for a given SID */
257 NTSTATUS (*query_user)(struct winbindd_domain *domain,
258 TALLOC_CTX *mem_ctx,
259 const DOM_SID *user_sid,
260 WINBIND_USERINFO *user_info);
261
262 /* lookup all groups that a user is a member of. The backend
263 can also choose to lookup by username or rid for this
264 function */
265 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
266 TALLOC_CTX *mem_ctx,
267 const DOM_SID *user_sid,
268 uint32 *num_groups, DOM_SID **user_gids);
269
270 /* Lookup all aliases that the sids delivered are member of. This is
271 * to implement 'domain local groups' correctly */
272 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
273 TALLOC_CTX *mem_ctx,
274 uint32 num_sids,
275 const DOM_SID *sids,
276 uint32 *num_aliases,
277 uint32 **alias_rids);
278
279 /* find all members of the group with the specified group_rid */
280 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
281 TALLOC_CTX *mem_ctx,
282 const DOM_SID *group_sid,
283 uint32 *num_names,
284 DOM_SID **sid_mem, char ***names,
285 uint32 **name_types);
286
287 /* return the current global sequence number */
288 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
289
290 /* return the lockout policy */
291 NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
292 TALLOC_CTX *mem_ctx,
293 SAM_UNK_INFO_12 *lockout_policy);
294
295 /* return the lockout policy */
296 NTSTATUS (*password_policy)(struct winbindd_domain *domain,
297 TALLOC_CTX *mem_ctx,
298 SAM_UNK_INFO_1 *password_policy);
299
300 /* enumerate trusted domains */
301 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
302 TALLOC_CTX *mem_ctx,
303 uint32 *num_domains,
304 char ***names,
305 char ***alt_names,
306 DOM_SID **dom_sids);
307};
308
309/* Used to glue a policy handle and cli_state together */
310
311typedef struct {
312 struct cli_state *cli;
313 POLICY_HND pol;
314} CLI_POLICY_HND;
315
316/* Filled out by IDMAP backends */
317struct winbindd_idmap_methods {
318 /* Called when backend is first loaded */
319 BOOL (*init)(void);
320
321 BOOL (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
322 BOOL (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
323
324 BOOL (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
325 BOOL (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
326
327 /* Called when backend is unloaded */
328 BOOL (*close)(void);
329 /* Called to dump backend status */
330 void (*status)(void);
331};
332
333#include "nsswitch/winbindd_proto.h"
334
335#define WINBINDD_ESTABLISH_LOOP 30
336#define WINBINDD_RESCAN_FREQ 300
337#define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
338#define DOM_SEQUENCE_NONE ((uint32)-1)
339
340#endif /* _WINBINDD_H */
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