source: trunk/server/source3/include/passdb.h@ 1012

Last change on this file since 1012 was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 16.1 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#include "../librpc/gen_ndr/lsa.h"
27
28#include "mapping.h"
29
30/**********************************************************************
31 * Masks for mappings between unix uid and gid types and
32 * NT RIDS.
33 **********************************************************************/
34
35/* Take the bottom bit. */
36#define RID_TYPE_MASK 1
37#define RID_MULTIPLIER 2
38
39/* The two common types. */
40#define USER_RID_TYPE 0
41#define GROUP_RID_TYPE 1
42
43/*
44 * Flags for local user manipulation.
45 */
46
47#define LOCAL_ADD_USER 0x1
48#define LOCAL_DELETE_USER 0x2
49#define LOCAL_DISABLE_USER 0x4
50#define LOCAL_ENABLE_USER 0x8
51#define LOCAL_TRUST_ACCOUNT 0x10
52#define LOCAL_SET_NO_PASSWORD 0x20
53#define LOCAL_SET_PASSWORD 0x40
54#define LOCAL_SET_LDAP_ADMIN_PW 0x80
55#define LOCAL_INTERDOM_ACCOUNT 0x100
56#define LOCAL_AM_ROOT 0x200 /* Act as root */
57
58/*
59 * Size of new password account encoding string. This is enough space to
60 * hold 11 ACB characters, plus the surrounding [] and a terminating null.
61 * Do not change unless you are adding new ACB bits!
62 */
63
64#define NEW_PW_FORMAT_SPACE_PADDED_LEN 14
65
66/* Password history contants. */
67#define PW_HISTORY_SALT_LEN 16
68#define SALTED_MD5_HASH_LEN 16
69#define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
70#define MAX_PW_HISTORY_LEN 24
71
72/*
73 * bit flags representing initialized fields in struct samu
74 */
75enum pdb_elements {
76 PDB_UNINIT,
77 PDB_SMBHOME,
78 PDB_PROFILE,
79 PDB_DRIVE,
80 PDB_LOGONSCRIPT,
81 PDB_LOGONTIME,
82 PDB_LOGOFFTIME,
83 PDB_KICKOFFTIME,
84 PDB_BAD_PASSWORD_TIME,
85 PDB_CANCHANGETIME,
86 PDB_MUSTCHANGETIME,
87 PDB_PLAINTEXT_PW,
88 PDB_USERNAME,
89 PDB_FULLNAME,
90 PDB_DOMAIN,
91 PDB_NTUSERNAME,
92 PDB_HOURSLEN,
93 PDB_LOGONDIVS,
94 PDB_USERSID,
95 PDB_GROUPSID,
96 PDB_ACCTCTRL,
97 PDB_PASSLASTSET,
98 PDB_ACCTDESC,
99 PDB_WORKSTATIONS,
100 PDB_COMMENT,
101 PDB_MUNGEDDIAL,
102 PDB_HOURS,
103 PDB_FIELDS_PRESENT,
104 PDB_BAD_PASSWORD_COUNT,
105 PDB_LOGON_COUNT,
106 PDB_COUNTRY_CODE,
107 PDB_CODE_PAGE,
108 PDB_UNKNOWN6,
109 PDB_LMPASSWD,
110 PDB_NTPASSWD,
111 PDB_PWHISTORY,
112 PDB_BACKEND_PRIVATE_DATA,
113
114 /* this must be the last element */
115 PDB_COUNT
116};
117
118enum pdb_group_elements {
119 PDB_GROUP_NAME,
120 PDB_GROUP_SID,
121 PDB_GROUP_SID_NAME_USE,
122 PDB_GROUP_MEMBERS,
123
124 /* this must be the last element */
125 PDB_GROUP_COUNT
126};
127
128
129enum pdb_value_state {
130 PDB_DEFAULT=0,
131 PDB_SET,
132 PDB_CHANGED
133};
134
135#define IS_SAM_SET(x, flag) (pdb_get_init_flags(x, flag) == PDB_SET)
136#define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED)
137#define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT)
138
139/* cache for bad password lockout data, to be used on replicated SAMs */
140struct login_cache {
141 time_t entry_timestamp;
142 uint32_t acct_ctrl;
143 uint16_t bad_password_count;
144 time_t bad_password_time;
145};
146
147#define SAMU_BUFFER_V0 0
148#define SAMU_BUFFER_V1 1
149#define SAMU_BUFFER_V2 2
150#define SAMU_BUFFER_V3 3
151/* nothing changed from V3 to V4 */
152#define SAMU_BUFFER_V4 4
153#define SAMU_BUFFER_LATEST SAMU_BUFFER_V4
154
155#define MAX_HOURS_LEN 32
156
157struct samu {
158 struct pdb_methods *methods;
159
160 /* initialization flags */
161 struct bitmap *change_flags;
162 struct bitmap *set_flags;
163
164 time_t logon_time; /* logon time */
165 time_t logoff_time; /* logoff time */
166 time_t kickoff_time; /* kickoff time */
167 time_t bad_password_time; /* last bad password entered */
168 time_t pass_last_set_time; /* password last set time */
169 time_t pass_can_change_time; /* password can change time */
170 time_t pass_must_change_time; /* password must change time */
171
172 const char *username; /* UNIX username string */
173 const char *domain; /* Windows Domain name */
174 const char *nt_username; /* Windows username string */
175 const char *full_name; /* user's full name string */
176 const char *home_dir; /* home directory string */
177 const char *dir_drive; /* home directory drive string */
178 const char *logon_script; /* logon script string */
179 const char *profile_path; /* profile path string */
180 const char *acct_desc; /* user description string */
181 const char *workstations; /* login from workstations string */
182 const char *comment;
183 const char *munged_dial; /* munged path name and dial-back tel number */
184
185 struct dom_sid user_sid;
186 struct dom_sid *group_sid;
187
188 DATA_BLOB lm_pw; /* .data is Null if no password */
189 DATA_BLOB nt_pw; /* .data is Null if no password */
190 DATA_BLOB nt_pw_his; /* nt hashed password history .data is Null if not available */
191 char* plaintext_pw; /* is Null if not available */
192
193 uint32_t acct_ctrl; /* account info (ACB_xxxx bit-mask) */
194 uint32_t fields_present; /* 0x00ff ffff */
195
196 uint16_t logon_divs; /* 168 - number of hours in a week */
197 uint32_t hours_len; /* normally 21 bytes */
198 uint8_t hours[MAX_HOURS_LEN];
199
200 /* Was unknown_5. */
201 uint16_t bad_password_count;
202 uint16_t logon_count;
203
204 uint16_t country_code;
205 uint16_t code_page;
206
207 uint32_t unknown_6; /* 0x0000 04ec */
208
209 /* a tag for who added the private methods */
210
211 const struct pdb_methods *backend_private_methods;
212 void *backend_private_data;
213 void (*backend_private_data_free_fn)(void **);
214
215 /* maintain a copy of the user's struct passwd */
216
217 struct passwd *unix_pw;
218};
219
220struct acct_info {
221 fstring acct_name; /* account name */
222 fstring acct_desc; /* account name */
223 uint32_t rid; /* domain-relative RID */
224};
225
226struct samr_displayentry {
227 uint32_t idx;
228 uint32_t rid;
229 uint32_t acct_flags;
230 const char *account_name;
231 const char *fullname;
232 const char *description;
233};
234
235enum pdb_search_type {
236 PDB_USER_SEARCH,
237 PDB_GROUP_SEARCH,
238 PDB_ALIAS_SEARCH
239};
240
241struct pdb_search {
242 enum pdb_search_type type;
243 struct samr_displayentry *cache;
244 uint32_t num_entries;
245 ssize_t cache_size;
246 bool search_ended;
247 void *private_data;
248 bool (*next_entry)(struct pdb_search *search,
249 struct samr_displayentry *entry);
250 void (*search_end)(struct pdb_search *search);
251};
252
253struct pdb_domain_info {
254 char *name;
255 char *dns_domain;
256 char *dns_forest;
257 struct dom_sid sid;
258 struct GUID guid;
259};
260
261struct pdb_trusted_domain {
262 char *domain_name;
263 char *netbios_name;
264 struct dom_sid security_identifier;
265 DATA_BLOB trust_auth_incoming;
266 DATA_BLOB trust_auth_outgoing;
267 uint32_t trust_direction;
268 uint32_t trust_type;
269 uint32_t trust_attributes;
270 DATA_BLOB trust_forest_trust_info;
271};
272
273/*
274 * trusted domain entry/entries returned by secrets_get_trusted_domains
275 * (used in _lsa_enum_trust_dom call)
276 */
277struct trustdom_info {
278 char *name;
279 struct dom_sid sid;
280};
281
282/*
283 * Types of account policy.
284 */
285enum pdb_policy_type {
286 PDB_POLICY_MIN_PASSWORD_LEN = 1,
287 PDB_POLICY_PASSWORD_HISTORY = 2,
288 PDB_POLICY_USER_MUST_LOGON_TO_CHG_PASS = 3,
289 PDB_POLICY_MAX_PASSWORD_AGE = 4,
290 PDB_POLICY_MIN_PASSWORD_AGE = 5,
291 PDB_POLICY_LOCK_ACCOUNT_DURATION = 6,
292 PDB_POLICY_RESET_COUNT_TIME = 7,
293 PDB_POLICY_BAD_ATTEMPT_LOCKOUT = 8,
294 PDB_POLICY_TIME_TO_LOGOUT = 9,
295 PDB_POLICY_REFUSE_MACHINE_PW_CHANGE = 10
296};
297
298#define PDB_CAP_STORE_RIDS 0x0001
299#define PDB_CAP_ADS 0x0002
300#define PDB_CAP_TRUSTED_DOMAINS_EX 0x0004
301
302/*****************************************************************
303 Functions to be implemented by the new (v2) passdb API
304****************************************************************/
305
306/*
307 * This next constant specifies the version number of the PASSDB interface
308 * this SAMBA will load. Increment this if *ANY* changes are made to the interface.
309 * Changed interface to fix int -> size_t problems. JRA.
310 * There's no point in allocating arrays in
311 * samr_lookup_rids twice. It was done in the srv_samr_nt.c code as well as in
312 * the pdb module. Remove the latter, this might happen more often. VL.
313 * changed to version 14 to move lookup_rids and lookup_names to return
314 * enum lsa_SidType rather than uint32_t.
315 * Changed to 16 for access to the trusted domain passwords (obnox).
316 * Changed to 17, the sampwent interface is gone.
317 * Changed to 18, pdb_rid_algorithm -> pdb_capabilities
318 * Changed to 19, removed uid_to_rid
319 */
320
321#define PASSDB_INTERFACE_VERSION 19
322
323struct pdb_methods
324{
325 const char *name; /* What name got this module */
326
327 struct pdb_domain_info *(*get_domain_info)(struct pdb_methods *,
328 TALLOC_CTX *mem_ctx);
329
330 NTSTATUS (*getsampwnam)(struct pdb_methods *, struct samu *sam_acct, const char *username);
331
332 NTSTATUS (*getsampwsid)(struct pdb_methods *, struct samu *sam_acct, const struct dom_sid *sid);
333
334 NTSTATUS (*create_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
335 const char *name, uint32_t acct_flags,
336 uint32_t *rid);
337
338 NTSTATUS (*delete_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
339 struct samu *sam_acct);
340
341 NTSTATUS (*add_sam_account)(struct pdb_methods *, struct samu *sampass);
342
343 NTSTATUS (*update_sam_account)(struct pdb_methods *, struct samu *sampass);
344
345 NTSTATUS (*delete_sam_account)(struct pdb_methods *, struct samu *username);
346
347 NTSTATUS (*rename_sam_account)(struct pdb_methods *, struct samu *oldname, const char *newname);
348
349 NTSTATUS (*update_login_attempts)(struct pdb_methods *methods, struct samu *sam_acct, bool success);
350
351 NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, struct dom_sid sid);
352
353 NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid);
354
355 NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name);
356
357 NTSTATUS (*create_dom_group)(struct pdb_methods *methods,
358 TALLOC_CTX *mem_ctx, const char *name,
359 uint32_t *rid);
360
361 NTSTATUS (*delete_dom_group)(struct pdb_methods *methods,
362 TALLOC_CTX *mem_ctx, uint32_t rid);
363
364 NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods,
365 GROUP_MAP *map);
366
367 NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods,
368 GROUP_MAP *map);
369
370 NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods,
371 struct dom_sid sid);
372
373 NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods,
374 const struct dom_sid *sid, enum lsa_SidType sid_name_use,
375 GROUP_MAP **pp_rmap, size_t *p_num_entries,
376 bool unix_only);
377
378 NTSTATUS (*enum_group_members)(struct pdb_methods *methods,
379 TALLOC_CTX *mem_ctx,
380 const struct dom_sid *group,
381 uint32_t **pp_member_rids,
382 size_t *p_num_members);
383
384 NTSTATUS (*enum_group_memberships)(struct pdb_methods *methods,
385 TALLOC_CTX *mem_ctx,
386 struct samu *user,
387 struct dom_sid **pp_sids, gid_t **pp_gids,
388 uint32_t *p_num_groups);
389
390 NTSTATUS (*set_unix_primary_group)(struct pdb_methods *methods,
391 TALLOC_CTX *mem_ctx,
392 struct samu *user);
393
394 NTSTATUS (*add_groupmem)(struct pdb_methods *methods,
395 TALLOC_CTX *mem_ctx,
396 uint32_t group_rid, uint32_t member_rid);
397
398 NTSTATUS (*del_groupmem)(struct pdb_methods *methods,
399 TALLOC_CTX *mem_ctx,
400 uint32_t group_rid, uint32_t member_rid);
401
402 NTSTATUS (*create_alias)(struct pdb_methods *methods,
403 const char *name, uint32_t *rid);
404
405 NTSTATUS (*delete_alias)(struct pdb_methods *methods,
406 const struct dom_sid *sid);
407
408 NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods,
409 const struct dom_sid *sid,
410 struct acct_info *info);
411
412 NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods,
413 const struct dom_sid *sid,
414 struct acct_info *info);
415
416 NTSTATUS (*add_aliasmem)(struct pdb_methods *methods,
417 const struct dom_sid *alias, const struct dom_sid *member);
418 NTSTATUS (*del_aliasmem)(struct pdb_methods *methods,
419 const struct dom_sid *alias, const struct dom_sid *member);
420 NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods,
421 const struct dom_sid *alias, TALLOC_CTX *mem_ctx,
422 struct dom_sid **members, size_t *p_num_members);
423 NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods,
424 TALLOC_CTX *mem_ctx,
425 const struct dom_sid *domain_sid,
426 const struct dom_sid *members,
427 size_t num_members,
428 uint32_t **pp_alias_rids,
429 size_t *p_num_alias_rids);
430
431 NTSTATUS (*lookup_rids)(struct pdb_methods *methods,
432 const struct dom_sid *domain_sid,
433 int num_rids,
434 uint32_t *rids,
435 const char **pp_names,
436 enum lsa_SidType *attrs);
437
438 NTSTATUS (*lookup_names)(struct pdb_methods *methods,
439 const struct dom_sid *domain_sid,
440 int num_names,
441 const char **pp_names,
442 uint32_t *rids,
443 enum lsa_SidType *attrs);
444
445 NTSTATUS (*get_account_policy)(struct pdb_methods *methods,
446 enum pdb_policy_type type,
447 uint32_t *value);
448
449 NTSTATUS (*set_account_policy)(struct pdb_methods *methods,
450 enum pdb_policy_type type,
451 uint32_t value);
452
453 NTSTATUS (*get_seq_num)(struct pdb_methods *methods, time_t *seq_num);
454
455 bool (*search_users)(struct pdb_methods *methods,
456 struct pdb_search *search,
457 uint32_t acct_flags);
458 bool (*search_groups)(struct pdb_methods *methods,
459 struct pdb_search *search);
460 bool (*search_aliases)(struct pdb_methods *methods,
461 struct pdb_search *search,
462 const struct dom_sid *sid);
463
464 bool (*uid_to_sid)(struct pdb_methods *methods, uid_t uid,
465 struct dom_sid *sid);
466 bool (*gid_to_sid)(struct pdb_methods *methods, gid_t gid,
467 struct dom_sid *sid);
468 bool (*sid_to_id)(struct pdb_methods *methods, const struct dom_sid *sid,
469 union unid_t *id, enum lsa_SidType *type);
470
471 uint32_t (*capabilities)(struct pdb_methods *methods);
472 bool (*new_rid)(struct pdb_methods *methods, uint32_t *rid);
473
474
475 bool (*get_trusteddom_pw)(struct pdb_methods *methods,
476 const char *domain, char** pwd,
477 struct dom_sid *sid, time_t *pass_last_set_time);
478 bool (*set_trusteddom_pw)(struct pdb_methods *methods,
479 const char* domain, const char* pwd,
480 const struct dom_sid *sid);
481 bool (*del_trusteddom_pw)(struct pdb_methods *methods,
482 const char *domain);
483 NTSTATUS (*enum_trusteddoms)(struct pdb_methods *methods,
484 TALLOC_CTX *mem_ctx, uint32_t *num_domains,
485 struct trustdom_info ***domains);
486
487
488 NTSTATUS (*get_trusted_domain)(struct pdb_methods *methods,
489 TALLOC_CTX *mem_ctx,
490 const char *domain,
491 struct pdb_trusted_domain **td);
492 NTSTATUS (*get_trusted_domain_by_sid)(struct pdb_methods *methods,
493 TALLOC_CTX *mem_ctx,
494 struct dom_sid *sid,
495 struct pdb_trusted_domain **td);
496 NTSTATUS (*set_trusted_domain)(struct pdb_methods *methods,
497 const char* domain,
498 const struct pdb_trusted_domain *td);
499 NTSTATUS (*del_trusted_domain)(struct pdb_methods *methods,
500 const char *domain);
501 NTSTATUS (*enum_trusted_domains)(struct pdb_methods *methods,
502 TALLOC_CTX *mem_ctx,
503 uint32_t *num_domains,
504 struct pdb_trusted_domain ***domains);
505
506 void *private_data; /* Private data of some kind */
507
508 void (*free_private_data)(void **);
509};
510
511typedef NTSTATUS (*pdb_init_function)(struct pdb_methods **, const char *);
512
513struct pdb_init_function_entry {
514 const char *name;
515
516 /* Function to create a member of the pdb_methods list */
517 pdb_init_function init;
518
519 struct pdb_init_function_entry *prev, *next;
520};
521
522#include "passdb/proto.h"
523#include "passdb/machine_sid.h"
524#include "passdb/lookup_sid.h"
525
526#endif /* _PASSDB_H */
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