source: trunk/server/source3/include/passdb.h@ 622

Last change on this file since 622 was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 13.1 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 passdb structures and parameters
4 Copyright (C) Gerald Carter 2001
5 Copyright (C) Luke Kenneth Casson Leighton 1998 - 2000
6 Copyright (C) Andrew Bartlett 2002
7 Copyright (C) Simo Sorce 2003
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program 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
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
21*/
22
23#ifndef _PASSDB_H
24#define _PASSDB_H
25
26/**********************************************************************
27 * Masks for mappings between unix uid and gid types and
28 * NT RIDS.
29 **********************************************************************/
30
31#define BASE_RID (0x000003E8L)
32
33/* Take the bottom bit. */
34#define RID_TYPE_MASK 1
35#define RID_MULTIPLIER 2
36
37/* The two common types. */
38#define USER_RID_TYPE 0
39#define GROUP_RID_TYPE 1
40
41/*
42 * bit flags representing initialized fields in struct samu
43 */
44enum pdb_elements {
45 PDB_UNINIT,
46 PDB_SMBHOME,
47 PDB_PROFILE,
48 PDB_DRIVE,
49 PDB_LOGONSCRIPT,
50 PDB_LOGONTIME,
51 PDB_LOGOFFTIME,
52 PDB_KICKOFFTIME,
53 PDB_BAD_PASSWORD_TIME,
54 PDB_CANCHANGETIME,
55 PDB_MUSTCHANGETIME,
56 PDB_PLAINTEXT_PW,
57 PDB_USERNAME,
58 PDB_FULLNAME,
59 PDB_DOMAIN,
60 PDB_NTUSERNAME,
61 PDB_HOURSLEN,
62 PDB_LOGONDIVS,
63 PDB_USERSID,
64 PDB_GROUPSID,
65 PDB_ACCTCTRL,
66 PDB_PASSLASTSET,
67 PDB_ACCTDESC,
68 PDB_WORKSTATIONS,
69 PDB_COMMENT,
70 PDB_MUNGEDDIAL,
71 PDB_HOURS,
72 PDB_FIELDS_PRESENT,
73 PDB_BAD_PASSWORD_COUNT,
74 PDB_LOGON_COUNT,
75 PDB_UNKNOWN6,
76 PDB_LMPASSWD,
77 PDB_NTPASSWD,
78 PDB_PWHISTORY,
79 PDB_BACKEND_PRIVATE_DATA,
80
81 /* this must be the last element */
82 PDB_COUNT
83};
84
85enum pdb_group_elements {
86 PDB_GROUP_NAME,
87 PDB_GROUP_SID,
88 PDB_GROUP_SID_NAME_USE,
89 PDB_GROUP_MEMBERS,
90
91 /* this must be the last element */
92 PDB_GROUP_COUNT
93};
94
95
96enum pdb_value_state {
97 PDB_DEFAULT=0,
98 PDB_SET,
99 PDB_CHANGED
100};
101
102#define IS_SAM_SET(x, flag) (pdb_get_init_flags(x, flag) == PDB_SET)
103#define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED)
104#define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT)
105
106/* cache for bad password lockout data, to be used on replicated SAMs */
107typedef struct logon_cache_struct {
108 time_t entry_timestamp;
109 uint32 acct_ctrl;
110 uint16 bad_password_count;
111 time_t bad_password_time;
112} LOGIN_CACHE;
113
114#define SAMU_BUFFER_V0 0
115#define SAMU_BUFFER_V1 1
116#define SAMU_BUFFER_V2 2
117#define SAMU_BUFFER_V3 3
118/* nothing changed from V3 to V4 */
119#define SAMU_BUFFER_V4 4
120#define SAMU_BUFFER_LATEST SAMU_BUFFER_V4
121
122struct samu {
123 struct pdb_methods *methods;
124
125 /* initialization flags */
126 struct bitmap *change_flags;
127 struct bitmap *set_flags;
128
129 time_t logon_time; /* logon time */
130 time_t logoff_time; /* logoff time */
131 time_t kickoff_time; /* kickoff time */
132 time_t bad_password_time; /* last bad password entered */
133 time_t pass_last_set_time; /* password last set time */
134 time_t pass_can_change_time; /* password can change time */
135 time_t pass_must_change_time; /* password must change time */
136
137 const char *username; /* UNIX username string */
138 const char *domain; /* Windows Domain name */
139 const char *nt_username; /* Windows username string */
140 const char *full_name; /* user's full name string */
141 const char *home_dir; /* home directory string */
142 const char *dir_drive; /* home directory drive string */
143 const char *logon_script; /* logon script string */
144 const char *profile_path; /* profile path string */
145 const char *acct_desc; /* user description string */
146 const char *workstations; /* login from workstations string */
147 const char *comment;
148 const char *munged_dial; /* munged path name and dial-back tel number */
149
150 DOM_SID user_sid;
151 DOM_SID *group_sid;
152
153 DATA_BLOB lm_pw; /* .data is Null if no password */
154 DATA_BLOB nt_pw; /* .data is Null if no password */
155 DATA_BLOB nt_pw_his; /* nt hashed password history .data is Null if not available */
156 char* plaintext_pw; /* is Null if not available */
157
158 uint32 acct_ctrl; /* account info (ACB_xxxx bit-mask) */
159 uint32 fields_present; /* 0x00ff ffff */
160
161 uint16 logon_divs; /* 168 - number of hours in a week */
162 uint32 hours_len; /* normally 21 bytes */
163 uint8 hours[MAX_HOURS_LEN];
164
165 /* Was unknown_5. */
166 uint16 bad_password_count;
167 uint16 logon_count;
168
169 uint32 unknown_6; /* 0x0000 04ec */
170
171 /* a tag for who added the private methods */
172
173 const struct pdb_methods *backend_private_methods;
174 void *backend_private_data;
175 void (*backend_private_data_free_fn)(void **);
176
177 /* maintain a copy of the user's struct passwd */
178
179 struct passwd *unix_pw;
180};
181
182struct acct_info {
183 fstring acct_name; /* account name */
184 fstring acct_desc; /* account name */
185 uint32 rid; /* domain-relative RID */
186};
187
188struct samr_displayentry {
189 uint32 idx;
190 uint32 rid;
191 uint32 acct_flags;
192 const char *account_name;
193 const char *fullname;
194 const char *description;
195};
196
197enum pdb_search_type {
198 PDB_USER_SEARCH,
199 PDB_GROUP_SEARCH,
200 PDB_ALIAS_SEARCH
201};
202
203struct pdb_search {
204 enum pdb_search_type type;
205 struct samr_displayentry *cache;
206 uint32 num_entries;
207 ssize_t cache_size;
208 bool search_ended;
209 void *private_data;
210 bool (*next_entry)(struct pdb_search *search,
211 struct samr_displayentry *entry);
212 void (*search_end)(struct pdb_search *search);
213};
214
215struct pdb_domain_info {
216 char *name;
217 char *dns_domain;
218 char *dns_forest;
219 struct dom_sid sid;
220 struct GUID guid;
221};
222
223/*
224 * Types of account policy.
225 */
226enum pdb_policy_type {
227 PDB_POLICY_MIN_PASSWORD_LEN = 1,
228 PDB_POLICY_PASSWORD_HISTORY = 2,
229 PDB_POLICY_USER_MUST_LOGON_TO_CHG_PASS = 3,
230 PDB_POLICY_MAX_PASSWORD_AGE = 4,
231 PDB_POLICY_MIN_PASSWORD_AGE = 5,
232 PDB_POLICY_LOCK_ACCOUNT_DURATION = 6,
233 PDB_POLICY_RESET_COUNT_TIME = 7,
234 PDB_POLICY_BAD_ATTEMPT_LOCKOUT = 8,
235 PDB_POLICY_TIME_TO_LOGOUT = 9,
236 PDB_POLICY_REFUSE_MACHINE_PW_CHANGE = 10
237};
238
239#define PDB_CAP_STORE_RIDS 0x0001
240#define PDB_CAP_ADS 0x0002
241
242/*****************************************************************
243 Functions to be implemented by the new (v2) passdb API
244****************************************************************/
245
246/*
247 * This next constant specifies the version number of the PASSDB interface
248 * this SAMBA will load. Increment this if *ANY* changes are made to the interface.
249 * Changed interface to fix int -> size_t problems. JRA.
250 * There's no point in allocating arrays in
251 * samr_lookup_rids twice. It was done in the srv_samr_nt.c code as well as in
252 * the pdb module. Remove the latter, this might happen more often. VL.
253 * changed to version 14 to move lookup_rids and lookup_names to return
254 * enum lsa_SidType rather than uint32.
255 * Changed to 16 for access to the trusted domain passwords (obnox).
256 * Changed to 17, the sampwent interface is gone.
257 * Changed to 18, pdb_rid_algorithm -> pdb_capabilities
258 * Changed to 19, removed uid_to_rid
259 */
260
261#define PASSDB_INTERFACE_VERSION 19
262
263struct pdb_methods
264{
265 const char *name; /* What name got this module */
266
267 struct pdb_domain_info *(*get_domain_info)(struct pdb_methods *,
268 TALLOC_CTX *mem_ctx);
269
270 NTSTATUS (*getsampwnam)(struct pdb_methods *, struct samu *sam_acct, const char *username);
271
272 NTSTATUS (*getsampwsid)(struct pdb_methods *, struct samu *sam_acct, const DOM_SID *sid);
273
274 NTSTATUS (*create_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
275 const char *name, uint32 acct_flags,
276 uint32 *rid);
277
278 NTSTATUS (*delete_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
279 struct samu *sam_acct);
280
281 NTSTATUS (*add_sam_account)(struct pdb_methods *, struct samu *sampass);
282
283 NTSTATUS (*update_sam_account)(struct pdb_methods *, struct samu *sampass);
284
285 NTSTATUS (*delete_sam_account)(struct pdb_methods *, struct samu *username);
286
287 NTSTATUS (*rename_sam_account)(struct pdb_methods *, struct samu *oldname, const char *newname);
288
289 NTSTATUS (*update_login_attempts)(struct pdb_methods *methods, struct samu *sam_acct, bool success);
290
291 NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid);
292
293 NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid);
294
295 NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name);
296
297 NTSTATUS (*create_dom_group)(struct pdb_methods *methods,
298 TALLOC_CTX *mem_ctx, const char *name,
299 uint32 *rid);
300
301 NTSTATUS (*delete_dom_group)(struct pdb_methods *methods,
302 TALLOC_CTX *mem_ctx, uint32 rid);
303
304 NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods,
305 GROUP_MAP *map);
306
307 NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods,
308 GROUP_MAP *map);
309
310 NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods,
311 DOM_SID sid);
312
313 NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods,
314 const DOM_SID *sid, enum lsa_SidType sid_name_use,
315 GROUP_MAP **pp_rmap, size_t *p_num_entries,
316 bool unix_only);
317
318 NTSTATUS (*enum_group_members)(struct pdb_methods *methods,
319 TALLOC_CTX *mem_ctx,
320 const DOM_SID *group,
321 uint32 **pp_member_rids,
322 size_t *p_num_members);
323
324 NTSTATUS (*enum_group_memberships)(struct pdb_methods *methods,
325 TALLOC_CTX *mem_ctx,
326 struct samu *user,
327 DOM_SID **pp_sids, gid_t **pp_gids,
328 size_t *p_num_groups);
329
330 NTSTATUS (*set_unix_primary_group)(struct pdb_methods *methods,
331 TALLOC_CTX *mem_ctx,
332 struct samu *user);
333
334 NTSTATUS (*add_groupmem)(struct pdb_methods *methods,
335 TALLOC_CTX *mem_ctx,
336 uint32 group_rid, uint32 member_rid);
337
338 NTSTATUS (*del_groupmem)(struct pdb_methods *methods,
339 TALLOC_CTX *mem_ctx,
340 uint32 group_rid, uint32 member_rid);
341
342 NTSTATUS (*create_alias)(struct pdb_methods *methods,
343 const char *name, uint32 *rid);
344
345 NTSTATUS (*delete_alias)(struct pdb_methods *methods,
346 const DOM_SID *sid);
347
348 NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods,
349 const DOM_SID *sid,
350 struct acct_info *info);
351
352 NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods,
353 const DOM_SID *sid,
354 struct acct_info *info);
355
356 NTSTATUS (*add_aliasmem)(struct pdb_methods *methods,
357 const DOM_SID *alias, const DOM_SID *member);
358 NTSTATUS (*del_aliasmem)(struct pdb_methods *methods,
359 const DOM_SID *alias, const DOM_SID *member);
360 NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods,
361 const DOM_SID *alias, TALLOC_CTX *mem_ctx,
362 DOM_SID **members, size_t *p_num_members);
363 NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods,
364 TALLOC_CTX *mem_ctx,
365 const DOM_SID *domain_sid,
366 const DOM_SID *members,
367 size_t num_members,
368 uint32 **pp_alias_rids,
369 size_t *p_num_alias_rids);
370
371 NTSTATUS (*lookup_rids)(struct pdb_methods *methods,
372 const DOM_SID *domain_sid,
373 int num_rids,
374 uint32 *rids,
375 const char **pp_names,
376 enum lsa_SidType *attrs);
377
378 NTSTATUS (*lookup_names)(struct pdb_methods *methods,
379 const DOM_SID *domain_sid,
380 int num_names,
381 const char **pp_names,
382 uint32 *rids,
383 enum lsa_SidType *attrs);
384
385 NTSTATUS (*get_account_policy)(struct pdb_methods *methods,
386 enum pdb_policy_type type,
387 uint32_t *value);
388
389 NTSTATUS (*set_account_policy)(struct pdb_methods *methods,
390 enum pdb_policy_type type,
391 uint32_t value);
392
393 NTSTATUS (*get_seq_num)(struct pdb_methods *methods, time_t *seq_num);
394
395 bool (*search_users)(struct pdb_methods *methods,
396 struct pdb_search *search,
397 uint32 acct_flags);
398 bool (*search_groups)(struct pdb_methods *methods,
399 struct pdb_search *search);
400 bool (*search_aliases)(struct pdb_methods *methods,
401 struct pdb_search *search,
402 const DOM_SID *sid);
403
404 bool (*uid_to_sid)(struct pdb_methods *methods, uid_t uid,
405 DOM_SID *sid);
406 bool (*gid_to_sid)(struct pdb_methods *methods, gid_t gid,
407 DOM_SID *sid);
408 bool (*sid_to_id)(struct pdb_methods *methods, const DOM_SID *sid,
409 union unid_t *id, enum lsa_SidType *type);
410
411 uint32_t (*capabilities)(struct pdb_methods *methods);
412 bool (*new_rid)(struct pdb_methods *methods, uint32 *rid);
413
414
415 bool (*get_trusteddom_pw)(struct pdb_methods *methods,
416 const char *domain, char** pwd,
417 DOM_SID *sid, time_t *pass_last_set_time);
418 bool (*set_trusteddom_pw)(struct pdb_methods *methods,
419 const char* domain, const char* pwd,
420 const DOM_SID *sid);
421 bool (*del_trusteddom_pw)(struct pdb_methods *methods,
422 const char *domain);
423 NTSTATUS (*enum_trusteddoms)(struct pdb_methods *methods,
424 TALLOC_CTX *mem_ctx, uint32 *num_domains,
425 struct trustdom_info ***domains);
426
427 void *private_data; /* Private data of some kind */
428
429 void (*free_private_data)(void **);
430};
431
432typedef NTSTATUS (*pdb_init_function)(struct pdb_methods **, const char *);
433
434struct pdb_init_function_entry {
435 const char *name;
436
437 /* Function to create a member of the pdb_methods list */
438 pdb_init_function init;
439
440 struct pdb_init_function_entry *prev, *next;
441};
442
443#endif /* _PASSDB_H */
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