source: vendor/3.6.0/source3/passdb/pdb_interface.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 59.1 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 Password and authentication handling
4 Copyright (C) Andrew Bartlett 2002
5 Copyright (C) Jelmer Vernooij 2002
6 Copyright (C) Simo Sorce 2003
7 Copyright (C) Volker Lendecke 2006
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#include "includes.h"
24#include "system/passwd.h"
25#include "passdb.h"
26#include "secrets.h"
27#include "../librpc/gen_ndr/samr.h"
28#include "memcache.h"
29#include "nsswitch/winbind_client.h"
30#include "../libcli/security/security.h"
31#include "../lib/util/util_pw.h"
32
33#undef DBGC_CLASS
34#define DBGC_CLASS DBGC_PASSDB
35
36static_decl_pdb;
37
38static struct pdb_init_function_entry *backends = NULL;
39
40static void lazy_initialize_passdb(void)
41{
42 static bool initialized = False;
43 if(initialized) {
44 return;
45 }
46 static_init_pdb;
47 initialized = True;
48}
49
50static bool lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32 rid,
51 const char **name,
52 enum lsa_SidType *psid_name_use,
53 union unid_t *unix_id);
54
55NTSTATUS smb_register_passdb(int version, const char *name, pdb_init_function init)
56{
57 struct pdb_init_function_entry *entry = backends;
58
59 if(version != PASSDB_INTERFACE_VERSION) {
60 DEBUG(0,("Can't register passdb backend!\n"
61 "You tried to register a passdb module with PASSDB_INTERFACE_VERSION %d, "
62 "while this version of samba uses version %d\n",
63 version,PASSDB_INTERFACE_VERSION));
64 return NT_STATUS_OBJECT_TYPE_MISMATCH;
65 }
66
67 if (!name || !init) {
68 return NT_STATUS_INVALID_PARAMETER;
69 }
70
71 DEBUG(5,("Attempting to register passdb backend %s\n", name));
72
73 /* Check for duplicates */
74 if (pdb_find_backend_entry(name)) {
75 DEBUG(0,("There already is a passdb backend registered with the name %s!\n", name));
76 return NT_STATUS_OBJECT_NAME_COLLISION;
77 }
78
79 entry = SMB_XMALLOC_P(struct pdb_init_function_entry);
80 entry->name = smb_xstrdup(name);
81 entry->init = init;
82
83 DLIST_ADD(backends, entry);
84 DEBUG(5,("Successfully added passdb backend '%s'\n", name));
85 return NT_STATUS_OK;
86}
87
88struct pdb_init_function_entry *pdb_find_backend_entry(const char *name)
89{
90 struct pdb_init_function_entry *entry = backends;
91
92 while(entry) {
93 if (strcmp(entry->name, name)==0) return entry;
94 entry = entry->next;
95 }
96
97 return NULL;
98}
99
100/*
101 * The event context for the passdb backend. I know this is a bad hack and yet
102 * another static variable, but our pdb API is a global thing per
103 * definition. The first use for this is the LDAP idle function, more might be
104 * added later.
105 *
106 * I don't feel too bad about this static variable, it replaces the
107 * smb_idle_event_list that used to exist in lib/module.c. -- VL
108 */
109
110static struct event_context *pdb_event_ctx;
111
112struct event_context *pdb_get_event_context(void)
113{
114 return pdb_event_ctx;
115}
116
117/******************************************************************
118 Make a pdb_methods from scratch
119 *******************************************************************/
120
121NTSTATUS make_pdb_method_name(struct pdb_methods **methods, const char *selected)
122{
123 char *module_name = smb_xstrdup(selected);
124 char *module_location = NULL, *p;
125 struct pdb_init_function_entry *entry;
126 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
127
128 lazy_initialize_passdb();
129
130 p = strchr(module_name, ':');
131
132 if (p) {
133 *p = 0;
134 module_location = p+1;
135 trim_char(module_location, ' ', ' ');
136 }
137
138 trim_char(module_name, ' ', ' ');
139
140
141 DEBUG(5,("Attempting to find a passdb backend to match %s (%s)\n", selected, module_name));
142
143 entry = pdb_find_backend_entry(module_name);
144
145 /* Try to find a module that contains this module */
146 if (!entry) {
147 DEBUG(2,("No builtin backend found, trying to load plugin\n"));
148 if(NT_STATUS_IS_OK(smb_probe_module("pdb", module_name)) && !(entry = pdb_find_backend_entry(module_name))) {
149 DEBUG(0,("Plugin is available, but doesn't register passdb backend %s\n", module_name));
150 SAFE_FREE(module_name);
151 return NT_STATUS_UNSUCCESSFUL;
152 }
153 }
154
155 /* No such backend found */
156 if(!entry) {
157 DEBUG(0,("No builtin nor plugin backend for %s found\n", module_name));
158 SAFE_FREE(module_name);
159 return NT_STATUS_INVALID_PARAMETER;
160 }
161
162 DEBUG(5,("Found pdb backend %s\n", module_name));
163
164 if ( !NT_STATUS_IS_OK( nt_status = entry->init(methods, module_location) ) ) {
165 DEBUG(0,("pdb backend %s did not correctly init (error was %s)\n",
166 selected, nt_errstr(nt_status)));
167 SAFE_FREE(module_name);
168 return nt_status;
169 }
170
171 SAFE_FREE(module_name);
172
173 DEBUG(5,("pdb backend %s has a valid init\n", selected));
174
175 return nt_status;
176}
177
178/******************************************************************
179 Return an already initialized pdb_methods structure
180*******************************************************************/
181
182static struct pdb_methods *pdb_get_methods_reload( bool reload )
183{
184 static struct pdb_methods *pdb = NULL;
185
186 if ( pdb && reload ) {
187 pdb->free_private_data( &(pdb->private_data) );
188 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
189 char *msg = NULL;
190 if (asprintf(&msg, "pdb_get_methods_reload: "
191 "failed to get pdb methods for backend %s\n",
192 lp_passdb_backend()) > 0) {
193 smb_panic(msg);
194 } else {
195 smb_panic("pdb_get_methods_reload");
196 }
197 }
198 }
199
200 if ( !pdb ) {
201 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
202 char *msg = NULL;
203 if (asprintf(&msg, "pdb_get_methods_reload: "
204 "failed to get pdb methods for backend %s\n",
205 lp_passdb_backend()) > 0) {
206 smb_panic(msg);
207 } else {
208 smb_panic("pdb_get_methods_reload");
209 }
210 }
211 }
212
213 return pdb;
214}
215
216static struct pdb_methods *pdb_get_methods(void)
217{
218 return pdb_get_methods_reload(False);
219}
220
221struct pdb_domain_info *pdb_get_domain_info(TALLOC_CTX *mem_ctx)
222{
223 struct pdb_methods *pdb = pdb_get_methods();
224 return pdb->get_domain_info(pdb, mem_ctx);
225}
226
227/**
228 * @brief Check if the user account has been locked out and try to unlock it.
229 *
230 * If the user has been automatically locked out and a lockout duration is set,
231 * then check if we can unlock the account and reset the bad password values.
232 *
233 * @param[in] sampass The sam user to check.
234 *
235 * @return True if the function was successfull, false on an error.
236 */
237static bool pdb_try_account_unlock(struct samu *sampass)
238{
239 uint32_t acb_info = pdb_get_acct_ctrl(sampass);
240
241 if ((acb_info & ACB_NORMAL) && (acb_info & ACB_AUTOLOCK)) {
242 uint32_t lockout_duration;
243 time_t bad_password_time;
244 time_t now = time(NULL);
245 bool ok;
246
247 ok = pdb_get_account_policy(PDB_POLICY_LOCK_ACCOUNT_DURATION,
248 &lockout_duration);
249 if (!ok) {
250 DEBUG(0, ("pdb_try_account_unlock: "
251 "pdb_get_account_policy failed.\n"));
252 return false;
253 }
254
255 if (lockout_duration == (uint32_t) -1 ||
256 lockout_duration == 0) {
257 DEBUG(9, ("pdb_try_account_unlock: No reset duration, "
258 "can't reset autolock\n"));
259 return false;
260 }
261 lockout_duration *= 60;
262
263 bad_password_time = pdb_get_bad_password_time(sampass);
264 if (bad_password_time == (time_t) 0) {
265 DEBUG(2, ("pdb_try_account_unlock: Account %s "
266 "administratively locked out "
267 "with no bad password "
268 "time. Leaving locked out.\n",
269 pdb_get_username(sampass)));
270 return true;
271 }
272
273 if ((bad_password_time +
274 convert_uint32_t_to_time_t(lockout_duration)) < now) {
275 NTSTATUS status;
276
277 pdb_set_acct_ctrl(sampass, acb_info & ~ACB_AUTOLOCK,
278 PDB_CHANGED);
279 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
280 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
281
282 become_root();
283 status = pdb_update_sam_account(sampass);
284 unbecome_root();
285 if (!NT_STATUS_IS_OK(status)) {
286 DEBUG(0, ("_samr_OpenUser: Couldn't "
287 "update account %s - %s\n",
288 pdb_get_username(sampass),
289 nt_errstr(status)));
290 return false;
291 }
292 }
293 }
294
295 return true;
296}
297
298/**
299 * @brief Get a sam user structure by the given username.
300 *
301 * This functions also checks if the account has been automatically locked out
302 * and unlocks it if a lockout duration time has been defined and the time has
303 * elapsed.
304 *
305 * @param[in] sam_acct The sam user structure to fill.
306 *
307 * @param[in] username The username to look for.
308 *
309 * @return True on success, false on error.
310 */
311bool pdb_getsampwnam(struct samu *sam_acct, const char *username)
312{
313 struct pdb_methods *pdb = pdb_get_methods();
314 struct samu *for_cache;
315 const struct dom_sid *user_sid;
316 NTSTATUS status;
317 bool ok;
318
319 status = pdb->getsampwnam(pdb, sam_acct, username);
320 if (!NT_STATUS_IS_OK(status)) {
321 return false;
322 }
323
324 ok = pdb_try_account_unlock(sam_acct);
325 if (!ok) {
326 DEBUG(1, ("pdb_getsampwnam: Failed to unlock account %s\n",
327 username));
328 }
329
330 for_cache = samu_new(NULL);
331 if (for_cache == NULL) {
332 return False;
333 }
334
335 if (!pdb_copy_sam_account(for_cache, sam_acct)) {
336 TALLOC_FREE(for_cache);
337 return False;
338 }
339
340 user_sid = pdb_get_user_sid(for_cache);
341
342 memcache_add_talloc(NULL, PDB_GETPWSID_CACHE,
343 data_blob_const(user_sid, sizeof(*user_sid)),
344 &for_cache);
345
346 return True;
347}
348
349/**********************************************************************
350**********************************************************************/
351
352static bool guest_user_info( struct samu *user )
353{
354 struct passwd *pwd;
355 NTSTATUS result;
356 const char *guestname = lp_guestaccount();
357
358 pwd = Get_Pwnam_alloc(talloc_tos(), guestname);
359 if (pwd == NULL) {
360 DEBUG(0,("guest_user_info: Unable to locate guest account [%s]!\n",
361 guestname));
362 return False;
363 }
364
365 result = samu_set_unix(user, pwd );
366
367 TALLOC_FREE( pwd );
368
369 return NT_STATUS_IS_OK( result );
370}
371
372/**
373 * @brief Get a sam user structure by the given username.
374 *
375 * This functions also checks if the account has been automatically locked out
376 * and unlocks it if a lockout duration time has been defined and the time has
377 * elapsed.
378 *
379 *
380 * @param[in] sam_acct The sam user structure to fill.
381 *
382 * @param[in] sid The user SDI to look up.
383 *
384 * @return True on success, false on error.
385 */
386bool pdb_getsampwsid(struct samu *sam_acct, const struct dom_sid *sid)
387{
388 struct pdb_methods *pdb = pdb_get_methods();
389 uint32_t rid;
390 void *cache_data;
391 bool ok = false;
392
393 /* hard code the Guest RID of 501 */
394
395 if ( !sid_peek_check_rid( get_global_sam_sid(), sid, &rid ) )
396 return False;
397
398 if ( rid == DOMAIN_RID_GUEST ) {
399 DEBUG(6,("pdb_getsampwsid: Building guest account\n"));
400 return guest_user_info( sam_acct );
401 }
402
403 /* check the cache first */
404
405 cache_data = memcache_lookup_talloc(
406 NULL, PDB_GETPWSID_CACHE, data_blob_const(sid, sizeof(*sid)));
407
408 if (cache_data != NULL) {
409 struct samu *cache_copy = talloc_get_type_abort(
410 cache_data, struct samu);
411
412 ok = pdb_copy_sam_account(sam_acct, cache_copy);
413 } else {
414 ok = NT_STATUS_IS_OK(pdb->getsampwsid(pdb, sam_acct, sid));
415 }
416
417 if (!ok) {
418 return false;
419 }
420
421 ok = pdb_try_account_unlock(sam_acct);
422 if (!ok) {
423 DEBUG(1, ("pdb_getsampwsid: Failed to unlock account %s\n",
424 sam_acct->username));
425 }
426
427 return true;
428}
429
430static NTSTATUS pdb_default_create_user(struct pdb_methods *methods,
431 TALLOC_CTX *tmp_ctx, const char *name,
432 uint32_t acb_info, uint32_t *rid)
433{
434 struct samu *sam_pass;
435 NTSTATUS status;
436 struct passwd *pwd;
437
438 if ((sam_pass = samu_new(tmp_ctx)) == NULL) {
439 return NT_STATUS_NO_MEMORY;
440 }
441
442 if ( !(pwd = Get_Pwnam_alloc(tmp_ctx, name)) ) {
443 char *add_script = NULL;
444 int add_ret;
445 fstring name2;
446
447 if ((acb_info & ACB_NORMAL) && name[strlen(name)-1] != '$') {
448 add_script = talloc_strdup(tmp_ctx,
449 lp_adduser_script());
450 } else {
451 add_script = talloc_strdup(tmp_ctx,
452 lp_addmachine_script());
453 }
454
455 if (!add_script || add_script[0] == '\0') {
456 DEBUG(3, ("Could not find user %s and no add script "
457 "defined\n", name));
458 return NT_STATUS_NO_SUCH_USER;
459 }
460
461 /* lowercase the username before creating the Unix account for
462 compatibility with previous Samba releases */
463 fstrcpy( name2, name );
464 strlower_m( name2 );
465 add_script = talloc_all_string_sub(tmp_ctx,
466 add_script,
467 "%u",
468 name2);
469 if (!add_script) {
470 return NT_STATUS_NO_MEMORY;
471 }
472 add_ret = smbrun(add_script,NULL);
473 DEBUG(add_ret ? 0 : 3, ("_samr_create_user: Running the command `%s' gave %d\n",
474 add_script, add_ret));
475 if (add_ret == 0) {
476 smb_nscd_flush_user_cache();
477 }
478
479 flush_pwnam_cache();
480
481 pwd = Get_Pwnam_alloc(tmp_ctx, name);
482
483 if(pwd == NULL) {
484 DEBUG(3, ("Could not find user %s, add script did not work\n", name));
485 return NT_STATUS_NO_SUCH_USER;
486 }
487 }
488
489 /* we have a valid SID coming out of this call */
490
491 status = samu_alloc_rid_unix( sam_pass, pwd );
492
493 TALLOC_FREE( pwd );
494
495 if (!NT_STATUS_IS_OK(status)) {
496 DEBUG(3, ("pdb_default_create_user: failed to create a new user structure: %s\n", nt_errstr(status)));
497 return status;
498 }
499
500 if (!sid_peek_check_rid(get_global_sam_sid(),
501 pdb_get_user_sid(sam_pass), rid)) {
502 DEBUG(0, ("Could not get RID of fresh user\n"));
503 return NT_STATUS_INTERNAL_ERROR;
504 }
505
506 /* Use the username case specified in the original request */
507
508 pdb_set_username( sam_pass, name, PDB_SET );
509
510 /* Disable the account on creation, it does not have a reasonable password yet. */
511
512 acb_info |= ACB_DISABLED;
513
514 pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
515
516 status = pdb_add_sam_account(sam_pass);
517
518 TALLOC_FREE(sam_pass);
519
520 return status;
521}
522
523NTSTATUS pdb_create_user(TALLOC_CTX *mem_ctx, const char *name, uint32_t flags,
524 uint32_t *rid)
525{
526 struct pdb_methods *pdb = pdb_get_methods();
527 return pdb->create_user(pdb, mem_ctx, name, flags, rid);
528}
529
530/****************************************************************************
531 Delete a UNIX user on demand.
532****************************************************************************/
533
534static int smb_delete_user(const char *unix_user)
535{
536 char *del_script = NULL;
537 int ret;
538
539 /* safety check */
540
541 if ( strequal( unix_user, "root" ) ) {
542 DEBUG(0,("smb_delete_user: Refusing to delete local system root account!\n"));
543 return -1;
544 }
545
546 del_script = talloc_strdup(talloc_tos(), lp_deluser_script());
547 if (!del_script || !*del_script) {
548 return -1;
549 }
550 del_script = talloc_all_string_sub(talloc_tos(),
551 del_script,
552 "%u",
553 unix_user);
554 if (!del_script) {
555 return -1;
556 }
557 ret = smbrun(del_script,NULL);
558 flush_pwnam_cache();
559 if (ret == 0) {
560 smb_nscd_flush_user_cache();
561 }
562 DEBUG(ret ? 0 : 3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
563
564 return ret;
565}
566
567static NTSTATUS pdb_default_delete_user(struct pdb_methods *methods,
568 TALLOC_CTX *mem_ctx,
569 struct samu *sam_acct)
570{
571 NTSTATUS status;
572 fstring username;
573
574 status = pdb_delete_sam_account(sam_acct);
575 if (!NT_STATUS_IS_OK(status)) {
576 return status;
577 }
578
579 /*
580 * Now delete the unix side ....
581 * note: we don't check if the delete really happened as the script is
582 * not necessary present and maybe the sysadmin doesn't want to delete
583 * the unix side
584 */
585
586 /* always lower case the username before handing it off to
587 external scripts */
588
589 fstrcpy( username, pdb_get_username(sam_acct) );
590 strlower_m( username );
591
592 smb_delete_user( username );
593
594 return status;
595}
596
597NTSTATUS pdb_delete_user(TALLOC_CTX *mem_ctx, struct samu *sam_acct)
598{
599 struct pdb_methods *pdb = pdb_get_methods();
600 uid_t uid = -1;
601
602 /* sanity check to make sure we don't delete root */
603
604 if ( !sid_to_uid( pdb_get_user_sid(sam_acct), &uid ) ) {
605 return NT_STATUS_NO_SUCH_USER;
606 }
607
608 if ( uid == 0 ) {
609 return NT_STATUS_ACCESS_DENIED;
610 }
611
612 return pdb->delete_user(pdb, mem_ctx, sam_acct);
613}
614
615NTSTATUS pdb_add_sam_account(struct samu *sam_acct)
616{
617 struct pdb_methods *pdb = pdb_get_methods();
618 return pdb->add_sam_account(pdb, sam_acct);
619}
620
621NTSTATUS pdb_update_sam_account(struct samu *sam_acct)
622{
623 struct pdb_methods *pdb = pdb_get_methods();
624
625 memcache_flush(NULL, PDB_GETPWSID_CACHE);
626
627 return pdb->update_sam_account(pdb, sam_acct);
628}
629
630NTSTATUS pdb_delete_sam_account(struct samu *sam_acct)
631{
632 struct pdb_methods *pdb = pdb_get_methods();
633
634 memcache_flush(NULL, PDB_GETPWSID_CACHE);
635
636 return pdb->delete_sam_account(pdb, sam_acct);
637}
638
639NTSTATUS pdb_rename_sam_account(struct samu *oldname, const char *newname)
640{
641 struct pdb_methods *pdb = pdb_get_methods();
642 uid_t uid;
643 NTSTATUS status;
644
645 memcache_flush(NULL, PDB_GETPWSID_CACHE);
646
647 /* sanity check to make sure we don't rename root */
648
649 if ( !sid_to_uid( pdb_get_user_sid(oldname), &uid ) ) {
650 return NT_STATUS_NO_SUCH_USER;
651 }
652
653 if ( uid == 0 ) {
654 return NT_STATUS_ACCESS_DENIED;
655 }
656
657 status = pdb->rename_sam_account(pdb, oldname, newname);
658
659 /* always flush the cache here just to be safe */
660 flush_pwnam_cache();
661
662 return status;
663}
664
665NTSTATUS pdb_update_login_attempts(struct samu *sam_acct, bool success)
666{
667 struct pdb_methods *pdb = pdb_get_methods();
668 return pdb->update_login_attempts(pdb, sam_acct, success);
669}
670
671bool pdb_getgrsid(GROUP_MAP *map, struct dom_sid sid)
672{
673 struct pdb_methods *pdb = pdb_get_methods();
674 return NT_STATUS_IS_OK(pdb->getgrsid(pdb, map, sid));
675}
676
677bool pdb_getgrgid(GROUP_MAP *map, gid_t gid)
678{
679 struct pdb_methods *pdb = pdb_get_methods();
680 return NT_STATUS_IS_OK(pdb->getgrgid(pdb, map, gid));
681}
682
683bool pdb_getgrnam(GROUP_MAP *map, const char *name)
684{
685 struct pdb_methods *pdb = pdb_get_methods();
686 return NT_STATUS_IS_OK(pdb->getgrnam(pdb, map, name));
687}
688
689static NTSTATUS pdb_default_create_dom_group(struct pdb_methods *methods,
690 TALLOC_CTX *mem_ctx,
691 const char *name,
692 uint32_t *rid)
693{
694 struct dom_sid group_sid;
695 struct group *grp;
696 fstring tmp;
697
698 grp = getgrnam(name);
699
700 if (grp == NULL) {
701 gid_t gid;
702
703 if (smb_create_group(name, &gid) != 0) {
704 return NT_STATUS_ACCESS_DENIED;
705 }
706
707 grp = getgrgid(gid);
708 }
709
710 if (grp == NULL) {
711 return NT_STATUS_ACCESS_DENIED;
712 }
713
714 if (pdb_capabilities() & PDB_CAP_STORE_RIDS) {
715 if (!pdb_new_rid(rid)) {
716 return NT_STATUS_ACCESS_DENIED;
717 }
718 } else {
719 *rid = algorithmic_pdb_gid_to_group_rid( grp->gr_gid );
720 }
721
722 sid_compose(&group_sid, get_global_sam_sid(), *rid);
723
724 return add_initial_entry(grp->gr_gid, sid_to_fstring(tmp, &group_sid),
725 SID_NAME_DOM_GRP, name, NULL);
726}
727
728NTSTATUS pdb_create_dom_group(TALLOC_CTX *mem_ctx, const char *name,
729 uint32_t *rid)
730{
731 struct pdb_methods *pdb = pdb_get_methods();
732 return pdb->create_dom_group(pdb, mem_ctx, name, rid);
733}
734
735static NTSTATUS pdb_default_delete_dom_group(struct pdb_methods *methods,
736 TALLOC_CTX *mem_ctx,
737 uint32_t rid)
738{
739 struct dom_sid group_sid;
740 GROUP_MAP map;
741 NTSTATUS status;
742 struct group *grp;
743 const char *grp_name;
744
745 /* coverity */
746 map.gid = (gid_t) -1;
747
748 sid_compose(&group_sid, get_global_sam_sid(), rid);
749
750 if (!get_domain_group_from_sid(group_sid, &map)) {
751 DEBUG(10, ("Could not find group for rid %d\n", rid));
752 return NT_STATUS_NO_SUCH_GROUP;
753 }
754
755 /* We need the group name for the smb_delete_group later on */
756
757 if (map.gid == (gid_t)-1) {
758 return NT_STATUS_NO_SUCH_GROUP;
759 }
760
761 grp = getgrgid(map.gid);
762 if (grp == NULL) {
763 return NT_STATUS_NO_SUCH_GROUP;
764 }
765
766 /* Copy the name, no idea what pdb_delete_group_mapping_entry does.. */
767
768 grp_name = talloc_strdup(mem_ctx, grp->gr_name);
769 if (grp_name == NULL) {
770 return NT_STATUS_NO_MEMORY;
771 }
772
773 status = pdb_delete_group_mapping_entry(group_sid);
774
775 if (!NT_STATUS_IS_OK(status)) {
776 return status;
777 }
778
779 /* Don't check the result of smb_delete_group */
780
781 smb_delete_group(grp_name);
782
783 return NT_STATUS_OK;
784}
785
786NTSTATUS pdb_delete_dom_group(TALLOC_CTX *mem_ctx, uint32_t rid)
787{
788 struct pdb_methods *pdb = pdb_get_methods();
789 return pdb->delete_dom_group(pdb, mem_ctx, rid);
790}
791
792NTSTATUS pdb_add_group_mapping_entry(GROUP_MAP *map)
793{
794 struct pdb_methods *pdb = pdb_get_methods();
795 return pdb->add_group_mapping_entry(pdb, map);
796}
797
798NTSTATUS pdb_update_group_mapping_entry(GROUP_MAP *map)
799{
800 struct pdb_methods *pdb = pdb_get_methods();
801 return pdb->update_group_mapping_entry(pdb, map);
802}
803
804NTSTATUS pdb_delete_group_mapping_entry(struct dom_sid sid)
805{
806 struct pdb_methods *pdb = pdb_get_methods();
807 return pdb->delete_group_mapping_entry(pdb, sid);
808}
809
810bool pdb_enum_group_mapping(const struct dom_sid *sid, enum lsa_SidType sid_name_use, GROUP_MAP **pp_rmap,
811 size_t *p_num_entries, bool unix_only)
812{
813 struct pdb_methods *pdb = pdb_get_methods();
814 return NT_STATUS_IS_OK(pdb-> enum_group_mapping(pdb, sid, sid_name_use,
815 pp_rmap, p_num_entries, unix_only));
816}
817
818NTSTATUS pdb_enum_group_members(TALLOC_CTX *mem_ctx,
819 const struct dom_sid *sid,
820 uint32_t **pp_member_rids,
821 size_t *p_num_members)
822{
823 struct pdb_methods *pdb = pdb_get_methods();
824 NTSTATUS result;
825
826 result = pdb->enum_group_members(pdb, mem_ctx,
827 sid, pp_member_rids, p_num_members);
828
829 /* special check for rid 513 */
830
831 if ( !NT_STATUS_IS_OK( result ) ) {
832 uint32_t rid;
833
834 sid_peek_rid( sid, &rid );
835
836 if ( rid == DOMAIN_RID_USERS ) {
837 *p_num_members = 0;
838 *pp_member_rids = NULL;
839
840 return NT_STATUS_OK;
841 }
842 }
843
844 return result;
845}
846
847NTSTATUS pdb_enum_group_memberships(TALLOC_CTX *mem_ctx, struct samu *user,
848 struct dom_sid **pp_sids, gid_t **pp_gids,
849 uint32_t *p_num_groups)
850{
851 struct pdb_methods *pdb = pdb_get_methods();
852 return pdb->enum_group_memberships(
853 pdb, mem_ctx, user,
854 pp_sids, pp_gids, p_num_groups);
855}
856
857static NTSTATUS pdb_default_set_unix_primary_group(struct pdb_methods *methods,
858 TALLOC_CTX *mem_ctx,
859 struct samu *sampass)
860{
861 struct group *grp;
862 gid_t gid;
863
864 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid) ||
865 (grp = getgrgid(gid)) == NULL) {
866 return NT_STATUS_INVALID_PRIMARY_GROUP;
867 }
868
869 if (smb_set_primary_group(grp->gr_name,
870 pdb_get_username(sampass)) != 0) {
871 return NT_STATUS_ACCESS_DENIED;
872 }
873
874 return NT_STATUS_OK;
875}
876
877NTSTATUS pdb_set_unix_primary_group(TALLOC_CTX *mem_ctx, struct samu *user)
878{
879 struct pdb_methods *pdb = pdb_get_methods();
880 return pdb->set_unix_primary_group(pdb, mem_ctx, user);
881}
882
883/*
884 * Helper function to see whether a user is in a group. We can't use
885 * user_in_group_sid here because this creates dependencies only smbd can
886 * fulfil.
887 */
888
889static bool pdb_user_in_group(TALLOC_CTX *mem_ctx, struct samu *account,
890 const struct dom_sid *group_sid)
891{
892 struct dom_sid *sids;
893 gid_t *gids;
894 uint32_t i, num_groups;
895
896 if (!NT_STATUS_IS_OK(pdb_enum_group_memberships(mem_ctx, account,
897 &sids, &gids,
898 &num_groups))) {
899 return False;
900 }
901
902 for (i=0; i<num_groups; i++) {
903 if (dom_sid_equal(group_sid, &sids[i])) {
904 return True;
905 }
906 }
907 return False;
908}
909
910static NTSTATUS pdb_default_add_groupmem(struct pdb_methods *methods,
911 TALLOC_CTX *mem_ctx,
912 uint32_t group_rid,
913 uint32_t member_rid)
914{
915 struct dom_sid group_sid, member_sid;
916 struct samu *account = NULL;
917 GROUP_MAP map;
918 struct group *grp;
919 struct passwd *pwd;
920 const char *group_name;
921 uid_t uid;
922
923 /* coverity */
924 map.gid = (gid_t) -1;
925
926 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
927 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
928
929 if (!get_domain_group_from_sid(group_sid, &map) ||
930 (map.gid == (gid_t)-1) ||
931 ((grp = getgrgid(map.gid)) == NULL)) {
932 return NT_STATUS_NO_SUCH_GROUP;
933 }
934
935 group_name = talloc_strdup(mem_ctx, grp->gr_name);
936 if (group_name == NULL) {
937 return NT_STATUS_NO_MEMORY;
938 }
939
940 if ( !(account = samu_new( NULL )) ) {
941 return NT_STATUS_NO_MEMORY;
942 }
943
944 if (!pdb_getsampwsid(account, &member_sid) ||
945 !sid_to_uid(&member_sid, &uid) ||
946 ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
947 return NT_STATUS_NO_SUCH_USER;
948 }
949
950 if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
951 return NT_STATUS_MEMBER_IN_GROUP;
952 }
953
954 /*
955 * ok, the group exist, the user exist, the user is not in the group,
956 * we can (finally) add it to the group !
957 */
958
959 smb_add_user_group(group_name, pwd->pw_name);
960
961 if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
962 return NT_STATUS_ACCESS_DENIED;
963 }
964
965 return NT_STATUS_OK;
966}
967
968NTSTATUS pdb_add_groupmem(TALLOC_CTX *mem_ctx, uint32_t group_rid,
969 uint32_t member_rid)
970{
971 struct pdb_methods *pdb = pdb_get_methods();
972 return pdb->add_groupmem(pdb, mem_ctx, group_rid, member_rid);
973}
974
975static NTSTATUS pdb_default_del_groupmem(struct pdb_methods *methods,
976 TALLOC_CTX *mem_ctx,
977 uint32_t group_rid,
978 uint32_t member_rid)
979{
980 struct dom_sid group_sid, member_sid;
981 struct samu *account = NULL;
982 GROUP_MAP map;
983 struct group *grp;
984 struct passwd *pwd;
985 const char *group_name;
986 uid_t uid;
987
988 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
989 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
990
991 if (!get_domain_group_from_sid(group_sid, &map) ||
992 (map.gid == (gid_t)-1) ||
993 ((grp = getgrgid(map.gid)) == NULL)) {
994 return NT_STATUS_NO_SUCH_GROUP;
995 }
996
997 group_name = talloc_strdup(mem_ctx, grp->gr_name);
998 if (group_name == NULL) {
999 return NT_STATUS_NO_MEMORY;
1000 }
1001
1002 if ( !(account = samu_new( NULL )) ) {
1003 return NT_STATUS_NO_MEMORY;
1004 }
1005
1006 if (!pdb_getsampwsid(account, &member_sid) ||
1007 !sid_to_uid(&member_sid, &uid) ||
1008 ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
1009 return NT_STATUS_NO_SUCH_USER;
1010 }
1011
1012 if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
1013 return NT_STATUS_MEMBER_NOT_IN_GROUP;
1014 }
1015
1016 /*
1017 * ok, the group exist, the user exist, the user is in the group,
1018 * we can (finally) delete it from the group!
1019 */
1020
1021 smb_delete_user_group(group_name, pwd->pw_name);
1022
1023 if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
1024 return NT_STATUS_ACCESS_DENIED;
1025 }
1026
1027 return NT_STATUS_OK;
1028}
1029
1030NTSTATUS pdb_del_groupmem(TALLOC_CTX *mem_ctx, uint32_t group_rid,
1031 uint32_t member_rid)
1032{
1033 struct pdb_methods *pdb = pdb_get_methods();
1034 return pdb->del_groupmem(pdb, mem_ctx, group_rid, member_rid);
1035}
1036
1037NTSTATUS pdb_create_alias(const char *name, uint32_t *rid)
1038{
1039 struct pdb_methods *pdb = pdb_get_methods();
1040 return pdb->create_alias(pdb, name, rid);
1041}
1042
1043NTSTATUS pdb_delete_alias(const struct dom_sid *sid)
1044{
1045 struct pdb_methods *pdb = pdb_get_methods();
1046 return pdb->delete_alias(pdb, sid);
1047}
1048
1049NTSTATUS pdb_get_aliasinfo(const struct dom_sid *sid, struct acct_info *info)
1050{
1051 struct pdb_methods *pdb = pdb_get_methods();
1052 return pdb->get_aliasinfo(pdb, sid, info);
1053}
1054
1055NTSTATUS pdb_set_aliasinfo(const struct dom_sid *sid, struct acct_info *info)
1056{
1057 struct pdb_methods *pdb = pdb_get_methods();
1058 return pdb->set_aliasinfo(pdb, sid, info);
1059}
1060
1061NTSTATUS pdb_add_aliasmem(const struct dom_sid *alias, const struct dom_sid *member)
1062{
1063 struct pdb_methods *pdb = pdb_get_methods();
1064 return pdb->add_aliasmem(pdb, alias, member);
1065}
1066
1067NTSTATUS pdb_del_aliasmem(const struct dom_sid *alias, const struct dom_sid *member)
1068{
1069 struct pdb_methods *pdb = pdb_get_methods();
1070 return pdb->del_aliasmem(pdb, alias, member);
1071}
1072
1073NTSTATUS pdb_enum_aliasmem(const struct dom_sid *alias, TALLOC_CTX *mem_ctx,
1074 struct dom_sid **pp_members, size_t *p_num_members)
1075{
1076 struct pdb_methods *pdb = pdb_get_methods();
1077 return pdb->enum_aliasmem(pdb, alias, mem_ctx, pp_members,
1078 p_num_members);
1079}
1080
1081NTSTATUS pdb_enum_alias_memberships(TALLOC_CTX *mem_ctx,
1082 const struct dom_sid *domain_sid,
1083 const struct dom_sid *members, size_t num_members,
1084 uint32_t **pp_alias_rids,
1085 size_t *p_num_alias_rids)
1086{
1087 struct pdb_methods *pdb = pdb_get_methods();
1088 return pdb->enum_alias_memberships(pdb, mem_ctx,
1089 domain_sid,
1090 members, num_members,
1091 pp_alias_rids,
1092 p_num_alias_rids);
1093}
1094
1095NTSTATUS pdb_lookup_rids(const struct dom_sid *domain_sid,
1096 int num_rids,
1097 uint32_t *rids,
1098 const char **names,
1099 enum lsa_SidType *attrs)
1100{
1101 struct pdb_methods *pdb = pdb_get_methods();
1102 return pdb->lookup_rids(pdb, domain_sid, num_rids, rids, names, attrs);
1103}
1104
1105/*
1106 * NOTE: pdb_lookup_names is currently (2007-01-12) not used anywhere
1107 * in the samba code.
1108 * Unlike _lsa_lookup_sids and _samr_lookup_rids, which eventually
1109 * also ask pdb_lookup_rids, thus looking up a bunch of rids at a time,
1110 * the pdb_ calls _lsa_lookup_names and _samr_lookup_names come
1111 * down to are pdb_getsampwnam and pdb_getgrnam instead of
1112 * pdb_lookup_names.
1113 * But in principle, it the call belongs to the API and might get
1114 * used in this context some day.
1115 */
1116#if 0
1117NTSTATUS pdb_lookup_names(const struct dom_sid *domain_sid,
1118 int num_names,
1119 const char **names,
1120 uint32_t *rids,
1121 enum lsa_SidType *attrs)
1122{
1123 struct pdb_methods *pdb = pdb_get_methods();
1124 return pdb->lookup_names(pdb, domain_sid, num_names, names, rids, attrs);
1125}
1126#endif
1127
1128bool pdb_get_account_policy(enum pdb_policy_type type, uint32_t *value)
1129{
1130 struct pdb_methods *pdb = pdb_get_methods();
1131 NTSTATUS status;
1132
1133 become_root();
1134 status = pdb->get_account_policy(pdb, type, value);
1135 unbecome_root();
1136
1137 return NT_STATUS_IS_OK(status);
1138}
1139
1140bool pdb_set_account_policy(enum pdb_policy_type type, uint32_t value)
1141{
1142 struct pdb_methods *pdb = pdb_get_methods();
1143 NTSTATUS status;
1144
1145 become_root();
1146 status = pdb->set_account_policy(pdb, type, value);
1147 unbecome_root();
1148
1149 return NT_STATUS_IS_OK(status);
1150}
1151
1152bool pdb_get_seq_num(time_t *seq_num)
1153{
1154 struct pdb_methods *pdb = pdb_get_methods();
1155 return NT_STATUS_IS_OK(pdb->get_seq_num(pdb, seq_num));
1156}
1157
1158bool pdb_uid_to_sid(uid_t uid, struct dom_sid *sid)
1159{
1160 struct pdb_methods *pdb = pdb_get_methods();
1161 return pdb->uid_to_sid(pdb, uid, sid);
1162}
1163
1164bool pdb_gid_to_sid(gid_t gid, struct dom_sid *sid)
1165{
1166 struct pdb_methods *pdb = pdb_get_methods();
1167 return pdb->gid_to_sid(pdb, gid, sid);
1168}
1169
1170bool pdb_sid_to_id(const struct dom_sid *sid, union unid_t *id,
1171 enum lsa_SidType *type)
1172{
1173 struct pdb_methods *pdb = pdb_get_methods();
1174 return pdb->sid_to_id(pdb, sid, id, type);
1175}
1176
1177uint32_t pdb_capabilities(void)
1178{
1179 struct pdb_methods *pdb = pdb_get_methods();
1180 return pdb->capabilities(pdb);
1181}
1182
1183/********************************************************************
1184 Allocate a new RID from the passdb backend. Verify that it is free
1185 by calling lookup_global_sam_rid() to verify that the RID is not
1186 in use. This handles servers that have existing users or groups
1187 with add RIDs (assigned from previous algorithmic mappings)
1188********************************************************************/
1189
1190bool pdb_new_rid(uint32_t *rid)
1191{
1192 struct pdb_methods *pdb = pdb_get_methods();
1193 const char *name = NULL;
1194 enum lsa_SidType type;
1195 uint32_t allocated_rid = 0;
1196 int i;
1197 TALLOC_CTX *ctx;
1198
1199 if ((pdb_capabilities() & PDB_CAP_STORE_RIDS) == 0) {
1200 DEBUG(0, ("Trying to allocate a RID when algorithmic RIDs "
1201 "are active\n"));
1202 return False;
1203 }
1204
1205 if (algorithmic_rid_base() != BASE_RID) {
1206 DEBUG(0, ("'algorithmic rid base' is set but a passdb backend "
1207 "without algorithmic RIDs is chosen.\n"));
1208 DEBUGADD(0, ("Please map all used groups using 'net groupmap "
1209 "add', set the maximum used RID\n"));
1210 DEBUGADD(0, ("and remove the parameter\n"));
1211 return False;
1212 }
1213
1214 if ( (ctx = talloc_init("pdb_new_rid")) == NULL ) {
1215 DEBUG(0,("pdb_new_rid: Talloc initialization failure\n"));
1216 return False;
1217 }
1218
1219 /* Attempt to get an unused RID (max tires is 250...yes that it is
1220 and arbitrary number I pulkled out of my head). -- jerry */
1221
1222 for ( i=0; allocated_rid==0 && i<250; i++ ) {
1223 /* get a new RID */
1224
1225 if ( !pdb->new_rid(pdb, &allocated_rid) ) {
1226 return False;
1227 }
1228
1229 /* validate that the RID is not in use */
1230
1231 if ( lookup_global_sam_rid( ctx, allocated_rid, &name, &type, NULL ) ) {
1232 allocated_rid = 0;
1233 }
1234 }
1235
1236 TALLOC_FREE( ctx );
1237
1238 if ( allocated_rid == 0 ) {
1239 DEBUG(0,("pdb_new_rid: Failed to find unused RID\n"));
1240 return False;
1241 }
1242
1243 *rid = allocated_rid;
1244
1245 return True;
1246}
1247
1248/***************************************************************
1249 Initialize the static context (at smbd startup etc).
1250
1251 If uninitialised, context will auto-init on first use.
1252 ***************************************************************/
1253
1254bool initialize_password_db(bool reload, struct event_context *event_ctx)
1255{
1256 pdb_event_ctx = event_ctx;
1257 return (pdb_get_methods_reload(reload) != NULL);
1258}
1259
1260
1261/***************************************************************************
1262 Default implementations of some functions.
1263 ****************************************************************************/
1264
1265static NTSTATUS pdb_default_getsampwnam (struct pdb_methods *methods, struct samu *user, const char *sname)
1266{
1267 return NT_STATUS_NO_SUCH_USER;
1268}
1269
1270static NTSTATUS pdb_default_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1271{
1272 return NT_STATUS_NO_SUCH_USER;
1273}
1274
1275static NTSTATUS pdb_default_add_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1276{
1277 return NT_STATUS_NOT_IMPLEMENTED;
1278}
1279
1280static NTSTATUS pdb_default_update_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1281{
1282 return NT_STATUS_NOT_IMPLEMENTED;
1283}
1284
1285static NTSTATUS pdb_default_delete_sam_account (struct pdb_methods *methods, struct samu *pwd)
1286{
1287 return NT_STATUS_NOT_IMPLEMENTED;
1288}
1289
1290static NTSTATUS pdb_default_rename_sam_account (struct pdb_methods *methods, struct samu *pwd, const char *newname)
1291{
1292 return NT_STATUS_NOT_IMPLEMENTED;
1293}
1294
1295static NTSTATUS pdb_default_update_login_attempts (struct pdb_methods *methods, struct samu *newpwd, bool success)
1296{
1297 /* Only the pdb_nds backend implements this, by
1298 * default just return ok. */
1299 return NT_STATUS_OK;
1300}
1301
1302static NTSTATUS pdb_default_get_account_policy(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t *value)
1303{
1304 return account_policy_get(type, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1305}
1306
1307static NTSTATUS pdb_default_set_account_policy(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t value)
1308{
1309 return account_policy_set(type, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1310}
1311
1312static NTSTATUS pdb_default_get_seq_num(struct pdb_methods *methods, time_t *seq_num)
1313{
1314 *seq_num = time(NULL);
1315 return NT_STATUS_OK;
1316}
1317
1318static bool pdb_default_uid_to_sid(struct pdb_methods *methods, uid_t uid,
1319 struct dom_sid *sid)
1320{
1321 struct samu *sampw = NULL;
1322 struct passwd *unix_pw;
1323 bool ret;
1324
1325 unix_pw = sys_getpwuid( uid );
1326
1327 if ( !unix_pw ) {
1328 DEBUG(4,("pdb_default_uid_to_sid: host has no idea of uid "
1329 "%lu\n", (unsigned long)uid));
1330 return False;
1331 }
1332
1333 if ( !(sampw = samu_new( NULL )) ) {
1334 DEBUG(0,("pdb_default_uid_to_sid: samu_new() failed!\n"));
1335 return False;
1336 }
1337
1338 become_root();
1339 ret = NT_STATUS_IS_OK(
1340 methods->getsampwnam(methods, sampw, unix_pw->pw_name ));
1341 unbecome_root();
1342
1343 if (!ret) {
1344 DEBUG(5, ("pdb_default_uid_to_sid: Did not find user "
1345 "%s (%u)\n", unix_pw->pw_name, (unsigned int)uid));
1346 TALLOC_FREE(sampw);
1347 return False;
1348 }
1349
1350 sid_copy(sid, pdb_get_user_sid(sampw));
1351
1352 TALLOC_FREE(sampw);
1353
1354 return True;
1355}
1356
1357static bool pdb_default_gid_to_sid(struct pdb_methods *methods, gid_t gid,
1358 struct dom_sid *sid)
1359{
1360 GROUP_MAP map;
1361
1362 if (!NT_STATUS_IS_OK(methods->getgrgid(methods, &map, gid))) {
1363 return False;
1364 }
1365
1366 sid_copy(sid, &map.sid);
1367 return True;
1368}
1369
1370static bool pdb_default_sid_to_id(struct pdb_methods *methods,
1371 const struct dom_sid *sid,
1372 union unid_t *id, enum lsa_SidType *type)
1373{
1374 TALLOC_CTX *mem_ctx;
1375 bool ret = False;
1376 const char *name;
1377 uint32_t rid;
1378
1379 mem_ctx = talloc_new(NULL);
1380
1381 if (mem_ctx == NULL) {
1382 DEBUG(0, ("talloc_new failed\n"));
1383 return False;
1384 }
1385
1386 if (sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) {
1387 /* Here we might have users as well as groups and aliases */
1388 ret = lookup_global_sam_rid(mem_ctx, rid, &name, type, id);
1389 goto done;
1390 }
1391
1392 /* check for "Unix User" */
1393
1394 if ( sid_peek_check_rid(&global_sid_Unix_Users, sid, &rid) ) {
1395 id->uid = rid;
1396 *type = SID_NAME_USER;
1397 ret = True;
1398 goto done;
1399 }
1400
1401 /* check for "Unix Group" */
1402
1403 if ( sid_peek_check_rid(&global_sid_Unix_Groups, sid, &rid) ) {
1404 id->gid = rid;
1405 *type = SID_NAME_ALIAS;
1406 ret = True;
1407 goto done;
1408 }
1409
1410 /* BUILTIN */
1411
1412 if (sid_check_is_in_builtin(sid) ||
1413 sid_check_is_in_wellknown_domain(sid)) {
1414 /* Here we only have aliases */
1415 GROUP_MAP map;
1416 if (!NT_STATUS_IS_OK(methods->getgrsid(methods, &map, *sid))) {
1417 DEBUG(10, ("Could not find map for sid %s\n",
1418 sid_string_dbg(sid)));
1419 goto done;
1420 }
1421 if ((map.sid_name_use != SID_NAME_ALIAS) &&
1422 (map.sid_name_use != SID_NAME_WKN_GRP)) {
1423 DEBUG(10, ("Map for sid %s is a %s, expected an "
1424 "alias\n", sid_string_dbg(sid),
1425 sid_type_lookup(map.sid_name_use)));
1426 goto done;
1427 }
1428
1429 id->gid = map.gid;
1430 *type = SID_NAME_ALIAS;
1431 ret = True;
1432 goto done;
1433 }
1434
1435 DEBUG(5, ("Sid %s is neither ours, a Unix SID, nor builtin\n",
1436 sid_string_dbg(sid)));
1437
1438 done:
1439
1440 TALLOC_FREE(mem_ctx);
1441 return ret;
1442}
1443
1444static bool get_memberuids(TALLOC_CTX *mem_ctx, gid_t gid, uid_t **pp_uids, uint32_t *p_num)
1445{
1446 struct group *grp;
1447 char **gr;
1448 struct passwd *pwd;
1449 bool winbind_env;
1450 bool ret = False;
1451
1452 *pp_uids = NULL;
1453 *p_num = 0;
1454
1455 /* We only look at our own sam, so don't care about imported stuff */
1456 winbind_env = winbind_env_set();
1457 (void)winbind_off();
1458
1459 if ((grp = getgrgid(gid)) == NULL) {
1460 /* allow winbindd lookups, but only if they weren't already disabled */
1461 goto done;
1462 }
1463
1464 /* Primary group members */
1465 setpwent();
1466 while ((pwd = getpwent()) != NULL) {
1467 if (pwd->pw_gid == gid) {
1468 if (!add_uid_to_array_unique(mem_ctx, pwd->pw_uid,
1469 pp_uids, p_num)) {
1470 goto done;
1471 }
1472 }
1473 }
1474 endpwent();
1475
1476 /* Secondary group members */
1477 for (gr = grp->gr_mem; (*gr != NULL) && ((*gr)[0] != '\0'); gr += 1) {
1478 struct passwd *pw = getpwnam(*gr);
1479
1480 if (pw == NULL)
1481 continue;
1482 if (!add_uid_to_array_unique(mem_ctx, pw->pw_uid, pp_uids, p_num)) {
1483 goto done;
1484 }
1485 }
1486
1487 ret = True;
1488
1489 done:
1490
1491 /* allow winbindd lookups, but only if they weren't already disabled */
1492 if (!winbind_env) {
1493 (void)winbind_on();
1494 }
1495
1496 return ret;
1497}
1498
1499static NTSTATUS pdb_default_enum_group_members(struct pdb_methods *methods,
1500 TALLOC_CTX *mem_ctx,
1501 const struct dom_sid *group,
1502 uint32_t **pp_member_rids,
1503 size_t *p_num_members)
1504{
1505 gid_t gid;
1506 uid_t *uids;
1507 uint32_t i, num_uids;
1508
1509 *pp_member_rids = NULL;
1510 *p_num_members = 0;
1511
1512 if (!sid_to_gid(group, &gid))
1513 return NT_STATUS_NO_SUCH_GROUP;
1514
1515 if(!get_memberuids(mem_ctx, gid, &uids, &num_uids))
1516 return NT_STATUS_NO_SUCH_GROUP;
1517
1518 if (num_uids == 0)
1519 return NT_STATUS_OK;
1520
1521 *pp_member_rids = TALLOC_ZERO_ARRAY(mem_ctx, uint32_t, num_uids);
1522
1523 for (i=0; i<num_uids; i++) {
1524 struct dom_sid sid;
1525
1526 uid_to_sid(&sid, uids[i]);
1527
1528 if (!sid_check_is_in_our_domain(&sid)) {
1529 DEBUG(5, ("Inconsistent SAM -- group member uid not "
1530 "in our domain\n"));
1531 continue;
1532 }
1533
1534 sid_peek_rid(&sid, &(*pp_member_rids)[*p_num_members]);
1535 *p_num_members += 1;
1536 }
1537
1538 return NT_STATUS_OK;
1539}
1540
1541static NTSTATUS pdb_default_enum_group_memberships(struct pdb_methods *methods,
1542 TALLOC_CTX *mem_ctx,
1543 struct samu *user,
1544 struct dom_sid **pp_sids,
1545 gid_t **pp_gids,
1546 uint32_t *p_num_groups)
1547{
1548 size_t i;
1549 gid_t gid;
1550 struct passwd *pw;
1551 const char *username = pdb_get_username(user);
1552
1553
1554 /* Ignore the primary group SID. Honor the real Unix primary group.
1555 The primary group SID is only of real use to Windows clients */
1556
1557 if ( !(pw = Get_Pwnam_alloc(mem_ctx, username)) ) {
1558 return NT_STATUS_NO_SUCH_USER;
1559 }
1560
1561 gid = pw->pw_gid;
1562
1563 TALLOC_FREE( pw );
1564
1565 if (!getgroups_unix_user(mem_ctx, username, gid, pp_gids, p_num_groups)) {
1566 return NT_STATUS_NO_SUCH_USER;
1567 }
1568
1569 if (*p_num_groups == 0) {
1570 smb_panic("primary group missing");
1571 }
1572
1573 *pp_sids = TALLOC_ARRAY(mem_ctx, struct dom_sid, *p_num_groups);
1574
1575 if (*pp_sids == NULL) {
1576 TALLOC_FREE(*pp_gids);
1577 return NT_STATUS_NO_MEMORY;
1578 }
1579
1580 for (i=0; i<*p_num_groups; i++) {
1581 gid_to_sid(&(*pp_sids)[i], (*pp_gids)[i]);
1582 }
1583
1584 return NT_STATUS_OK;
1585}
1586
1587/*******************************************************************
1588 Look up a rid in the SAM we're responsible for (i.e. passdb)
1589 ********************************************************************/
1590
1591static bool lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32_t rid,
1592 const char **name,
1593 enum lsa_SidType *psid_name_use,
1594 union unid_t *unix_id)
1595{
1596 struct samu *sam_account = NULL;
1597 GROUP_MAP map;
1598 bool ret;
1599 struct dom_sid sid;
1600
1601 *psid_name_use = SID_NAME_UNKNOWN;
1602
1603 DEBUG(5,("lookup_global_sam_rid: looking up RID %u.\n",
1604 (unsigned int)rid));
1605
1606 sid_compose(&sid, get_global_sam_sid(), rid);
1607
1608 /* see if the passdb can help us with the name of the user */
1609
1610 if ( !(sam_account = samu_new( NULL )) ) {
1611 return False;
1612 }
1613
1614 /* BEING ROOT BLOCK */
1615 become_root();
1616 if (pdb_getsampwsid(sam_account, &sid)) {
1617 struct passwd *pw;
1618
1619 unbecome_root(); /* -----> EXIT BECOME_ROOT() */
1620 *name = talloc_strdup(mem_ctx, pdb_get_username(sam_account));
1621 if (!*name) {
1622 TALLOC_FREE(sam_account);
1623 return False;
1624 }
1625
1626 *psid_name_use = SID_NAME_USER;
1627
1628 TALLOC_FREE(sam_account);
1629
1630 if (unix_id == NULL) {
1631 return True;
1632 }
1633
1634 pw = Get_Pwnam_alloc(talloc_tos(), *name);
1635 if (pw == NULL) {
1636 return False;
1637 }
1638 unix_id->uid = pw->pw_uid;
1639 TALLOC_FREE(pw);
1640 return True;
1641 }
1642 TALLOC_FREE(sam_account);
1643
1644 ret = pdb_getgrsid(&map, sid);
1645 unbecome_root();
1646 /* END BECOME_ROOT BLOCK */
1647
1648 /* do not resolve SIDs to a name unless there is a valid
1649 gid associated with it */
1650
1651 if ( ret && (map.gid != (gid_t)-1) ) {
1652 *name = talloc_strdup(mem_ctx, map.nt_name);
1653 *psid_name_use = map.sid_name_use;
1654
1655 if ( unix_id ) {
1656 unix_id->gid = map.gid;
1657 }
1658
1659 return True;
1660 }
1661
1662 /* Windows will always map RID 513 to something. On a non-domain
1663 controller, this gets mapped to SERVER\None. */
1664
1665 if ( unix_id ) {
1666 DEBUG(5, ("Can't find a unix id for an unmapped group\n"));
1667 return False;
1668 }
1669
1670 if ( rid == DOMAIN_RID_USERS ) {
1671 *name = talloc_strdup(mem_ctx, "None" );
1672 *psid_name_use = SID_NAME_DOM_GRP;
1673
1674 return True;
1675 }
1676
1677 return False;
1678}
1679
1680static NTSTATUS pdb_default_lookup_rids(struct pdb_methods *methods,
1681 const struct dom_sid *domain_sid,
1682 int num_rids,
1683 uint32_t *rids,
1684 const char **names,
1685 enum lsa_SidType *attrs)
1686{
1687 int i;
1688 NTSTATUS result;
1689 bool have_mapped = False;
1690 bool have_unmapped = False;
1691
1692 if (sid_check_is_builtin(domain_sid)) {
1693
1694 for (i=0; i<num_rids; i++) {
1695 const char *name;
1696
1697 if (lookup_builtin_rid(names, rids[i], &name)) {
1698 attrs[i] = SID_NAME_ALIAS;
1699 names[i] = name;
1700 DEBUG(5,("lookup_rids: %s:%d\n",
1701 names[i], attrs[i]));
1702 have_mapped = True;
1703 } else {
1704 have_unmapped = True;
1705 attrs[i] = SID_NAME_UNKNOWN;
1706 }
1707 }
1708 goto done;
1709 }
1710
1711 /* Should not happen, but better check once too many */
1712 if (!sid_check_is_domain(domain_sid)) {
1713 return NT_STATUS_INVALID_HANDLE;
1714 }
1715
1716 for (i = 0; i < num_rids; i++) {
1717 const char *name;
1718
1719 if (lookup_global_sam_rid(names, rids[i], &name, &attrs[i],
1720 NULL)) {
1721 if (name == NULL) {
1722 return NT_STATUS_NO_MEMORY;
1723 }
1724 names[i] = name;
1725 DEBUG(5,("lookup_rids: %s:%d\n", names[i], attrs[i]));
1726 have_mapped = True;
1727 } else {
1728 have_unmapped = True;
1729 attrs[i] = SID_NAME_UNKNOWN;
1730 }
1731 }
1732
1733 done:
1734
1735 result = NT_STATUS_NONE_MAPPED;
1736
1737 if (have_mapped)
1738 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1739
1740 return result;
1741}
1742
1743#if 0
1744static NTSTATUS pdb_default_lookup_names(struct pdb_methods *methods,
1745 const struct dom_sid *domain_sid,
1746 int num_names,
1747 const char **names,
1748 uint32_t *rids,
1749 enum lsa_SidType *attrs)
1750{
1751 int i;
1752 NTSTATUS result;
1753 bool have_mapped = False;
1754 bool have_unmapped = False;
1755
1756 if (sid_check_is_builtin(domain_sid)) {
1757
1758 for (i=0; i<num_names; i++) {
1759 uint32_t rid;
1760
1761 if (lookup_builtin_name(names[i], &rid)) {
1762 attrs[i] = SID_NAME_ALIAS;
1763 rids[i] = rid;
1764 DEBUG(5,("lookup_rids: %s:%d\n",
1765 names[i], attrs[i]));
1766 have_mapped = True;
1767 } else {
1768 have_unmapped = True;
1769 attrs[i] = SID_NAME_UNKNOWN;
1770 }
1771 }
1772 goto done;
1773 }
1774
1775 /* Should not happen, but better check once too many */
1776 if (!sid_check_is_domain(domain_sid)) {
1777 return NT_STATUS_INVALID_HANDLE;
1778 }
1779
1780 for (i = 0; i < num_names; i++) {
1781 if (lookup_global_sam_name(names[i], 0, &rids[i], &attrs[i])) {
1782 DEBUG(5,("lookup_names: %s-> %d:%d\n", names[i],
1783 rids[i], attrs[i]));
1784 have_mapped = True;
1785 } else {
1786 have_unmapped = True;
1787 attrs[i] = SID_NAME_UNKNOWN;
1788 }
1789 }
1790
1791 done:
1792
1793 result = NT_STATUS_NONE_MAPPED;
1794
1795 if (have_mapped)
1796 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1797
1798 return result;
1799}
1800#endif
1801
1802static int pdb_search_destructor(struct pdb_search *search)
1803{
1804 if ((!search->search_ended) && (search->search_end != NULL)) {
1805 search->search_end(search);
1806 }
1807 return 0;
1808}
1809
1810struct pdb_search *pdb_search_init(TALLOC_CTX *mem_ctx,
1811 enum pdb_search_type type)
1812{
1813 struct pdb_search *result;
1814
1815 result = talloc(mem_ctx, struct pdb_search);
1816 if (result == NULL) {
1817 DEBUG(0, ("talloc failed\n"));
1818 return NULL;
1819 }
1820
1821 result->type = type;
1822 result->cache = NULL;
1823 result->num_entries = 0;
1824 result->cache_size = 0;
1825 result->search_ended = False;
1826 result->search_end = NULL;
1827
1828 /* Segfault appropriately if not initialized */
1829 result->next_entry = NULL;
1830 result->search_end = NULL;
1831
1832 talloc_set_destructor(result, pdb_search_destructor);
1833
1834 return result;
1835}
1836
1837static void fill_displayentry(TALLOC_CTX *mem_ctx, uint32_t rid,
1838 uint16_t acct_flags,
1839 const char *account_name,
1840 const char *fullname,
1841 const char *description,
1842 struct samr_displayentry *entry)
1843{
1844 entry->rid = rid;
1845 entry->acct_flags = acct_flags;
1846
1847 if (account_name != NULL)
1848 entry->account_name = talloc_strdup(mem_ctx, account_name);
1849 else
1850 entry->account_name = "";
1851
1852 if (fullname != NULL)
1853 entry->fullname = talloc_strdup(mem_ctx, fullname);
1854 else
1855 entry->fullname = "";
1856
1857 if (description != NULL)
1858 entry->description = talloc_strdup(mem_ctx, description);
1859 else
1860 entry->description = "";
1861}
1862
1863struct group_search {
1864 GROUP_MAP *groups;
1865 size_t num_groups, current_group;
1866};
1867
1868static bool next_entry_groups(struct pdb_search *s,
1869 struct samr_displayentry *entry)
1870{
1871 struct group_search *state = (struct group_search *)s->private_data;
1872 uint32_t rid;
1873 GROUP_MAP *map = &state->groups[state->current_group];
1874
1875 if (state->current_group == state->num_groups)
1876 return False;
1877
1878 sid_peek_rid(&map->sid, &rid);
1879
1880 fill_displayentry(s, rid, 0, map->nt_name, NULL, map->comment, entry);
1881
1882 state->current_group += 1;
1883 return True;
1884}
1885
1886static void search_end_groups(struct pdb_search *search)
1887{
1888 struct group_search *state =
1889 (struct group_search *)search->private_data;
1890 SAFE_FREE(state->groups);
1891}
1892
1893static bool pdb_search_grouptype(struct pdb_search *search,
1894 const struct dom_sid *sid, enum lsa_SidType type)
1895{
1896 struct group_search *state;
1897
1898 state = talloc(search, struct group_search);
1899 if (state == NULL) {
1900 DEBUG(0, ("talloc failed\n"));
1901 return False;
1902 }
1903
1904 if (!pdb_enum_group_mapping(sid, type, &state->groups, &state->num_groups,
1905 True)) {
1906 DEBUG(0, ("Could not enum groups\n"));
1907 return False;
1908 }
1909
1910 state->current_group = 0;
1911 search->private_data = state;
1912 search->next_entry = next_entry_groups;
1913 search->search_end = search_end_groups;
1914 return True;
1915}
1916
1917static bool pdb_default_search_groups(struct pdb_methods *methods,
1918 struct pdb_search *search)
1919{
1920 return pdb_search_grouptype(search, get_global_sam_sid(), SID_NAME_DOM_GRP);
1921}
1922
1923static bool pdb_default_search_aliases(struct pdb_methods *methods,
1924 struct pdb_search *search,
1925 const struct dom_sid *sid)
1926{
1927
1928 return pdb_search_grouptype(search, sid, SID_NAME_ALIAS);
1929}
1930
1931static struct samr_displayentry *pdb_search_getentry(struct pdb_search *search,
1932 uint32_t idx)
1933{
1934 if (idx < search->num_entries)
1935 return &search->cache[idx];
1936
1937 if (search->search_ended)
1938 return NULL;
1939
1940 while (idx >= search->num_entries) {
1941 struct samr_displayentry entry;
1942
1943 if (!search->next_entry(search, &entry)) {
1944 search->search_end(search);
1945 search->search_ended = True;
1946 break;
1947 }
1948
1949 ADD_TO_LARGE_ARRAY(search, struct samr_displayentry,
1950 entry, &search->cache, &search->num_entries,
1951 &search->cache_size);
1952 }
1953
1954 return (search->num_entries > idx) ? &search->cache[idx] : NULL;
1955}
1956
1957struct pdb_search *pdb_search_users(TALLOC_CTX *mem_ctx, uint32_t acct_flags)
1958{
1959 struct pdb_methods *pdb = pdb_get_methods();
1960 struct pdb_search *result;
1961
1962 result = pdb_search_init(mem_ctx, PDB_USER_SEARCH);
1963 if (result == NULL) {
1964 return NULL;
1965 }
1966
1967 if (!pdb->search_users(pdb, result, acct_flags)) {
1968 TALLOC_FREE(result);
1969 return NULL;
1970 }
1971 return result;
1972}
1973
1974struct pdb_search *pdb_search_groups(TALLOC_CTX *mem_ctx)
1975{
1976 struct pdb_methods *pdb = pdb_get_methods();
1977 struct pdb_search *result;
1978
1979 result = pdb_search_init(mem_ctx, PDB_GROUP_SEARCH);
1980 if (result == NULL) {
1981 return NULL;
1982 }
1983
1984 if (!pdb->search_groups(pdb, result)) {
1985 TALLOC_FREE(result);
1986 return NULL;
1987 }
1988 return result;
1989}
1990
1991struct pdb_search *pdb_search_aliases(TALLOC_CTX *mem_ctx, const struct dom_sid *sid)
1992{
1993 struct pdb_methods *pdb = pdb_get_methods();
1994 struct pdb_search *result;
1995
1996 if (pdb == NULL) return NULL;
1997
1998 result = pdb_search_init(mem_ctx, PDB_ALIAS_SEARCH);
1999 if (result == NULL) {
2000 return NULL;
2001 }
2002
2003 if (!pdb->search_aliases(pdb, result, sid)) {
2004 TALLOC_FREE(result);
2005 return NULL;
2006 }
2007 return result;
2008}
2009
2010uint32_t pdb_search_entries(struct pdb_search *search,
2011 uint32_t start_idx, uint32_t max_entries,
2012 struct samr_displayentry **result)
2013{
2014 struct samr_displayentry *end_entry;
2015 uint32_t end_idx = start_idx+max_entries-1;
2016
2017 /* The first entry needs to be searched after the last. Otherwise the
2018 * first entry might have moved due to a realloc during the search for
2019 * the last entry. */
2020
2021 end_entry = pdb_search_getentry(search, end_idx);
2022 *result = pdb_search_getentry(search, start_idx);
2023
2024 if (end_entry != NULL)
2025 return max_entries;
2026
2027 if (start_idx >= search->num_entries)
2028 return 0;
2029
2030 return search->num_entries - start_idx;
2031}
2032
2033/*******************************************************************
2034 trustdom methods
2035 *******************************************************************/
2036
2037bool pdb_get_trusteddom_pw(const char *domain, char** pwd, struct dom_sid *sid,
2038 time_t *pass_last_set_time)
2039{
2040 struct pdb_methods *pdb = pdb_get_methods();
2041 return pdb->get_trusteddom_pw(pdb, domain, pwd, sid,
2042 pass_last_set_time);
2043}
2044
2045bool pdb_set_trusteddom_pw(const char* domain, const char* pwd,
2046 const struct dom_sid *sid)
2047{
2048 struct pdb_methods *pdb = pdb_get_methods();
2049 return pdb->set_trusteddom_pw(pdb, domain, pwd, sid);
2050}
2051
2052bool pdb_del_trusteddom_pw(const char *domain)
2053{
2054 struct pdb_methods *pdb = pdb_get_methods();
2055 return pdb->del_trusteddom_pw(pdb, domain);
2056}
2057
2058NTSTATUS pdb_enum_trusteddoms(TALLOC_CTX *mem_ctx, uint32_t *num_domains,
2059 struct trustdom_info ***domains)
2060{
2061 struct pdb_methods *pdb = pdb_get_methods();
2062 return pdb->enum_trusteddoms(pdb, mem_ctx, num_domains, domains);
2063}
2064
2065/*******************************************************************
2066 the defaults for trustdom methods:
2067 these simply call the original passdb/secrets.c actions,
2068 to be replaced by pdb_ldap.
2069 *******************************************************************/
2070
2071static bool pdb_default_get_trusteddom_pw(struct pdb_methods *methods,
2072 const char *domain,
2073 char** pwd,
2074 struct dom_sid *sid,
2075 time_t *pass_last_set_time)
2076{
2077 return secrets_fetch_trusted_domain_password(domain, pwd,
2078 sid, pass_last_set_time);
2079
2080}
2081
2082static bool pdb_default_set_trusteddom_pw(struct pdb_methods *methods,
2083 const char* domain,
2084 const char* pwd,
2085 const struct dom_sid *sid)
2086{
2087 return secrets_store_trusted_domain_password(domain, pwd, sid);
2088}
2089
2090static bool pdb_default_del_trusteddom_pw(struct pdb_methods *methods,
2091 const char *domain)
2092{
2093 return trusted_domain_password_delete(domain);
2094}
2095
2096static NTSTATUS pdb_default_enum_trusteddoms(struct pdb_methods *methods,
2097 TALLOC_CTX *mem_ctx,
2098 uint32_t *num_domains,
2099 struct trustdom_info ***domains)
2100{
2101 return secrets_trusted_domains(mem_ctx, num_domains, domains);
2102}
2103
2104/*******************************************************************
2105 trusted_domain methods
2106 *******************************************************************/
2107
2108NTSTATUS pdb_get_trusted_domain(TALLOC_CTX *mem_ctx, const char *domain,
2109 struct pdb_trusted_domain **td)
2110{
2111 struct pdb_methods *pdb = pdb_get_methods();
2112 return pdb->get_trusted_domain(pdb, mem_ctx, domain, td);
2113}
2114
2115NTSTATUS pdb_get_trusted_domain_by_sid(TALLOC_CTX *mem_ctx, struct dom_sid *sid,
2116 struct pdb_trusted_domain **td)
2117{
2118 struct pdb_methods *pdb = pdb_get_methods();
2119 return pdb->get_trusted_domain_by_sid(pdb, mem_ctx, sid, td);
2120}
2121
2122NTSTATUS pdb_set_trusted_domain(const char* domain,
2123 const struct pdb_trusted_domain *td)
2124{
2125 struct pdb_methods *pdb = pdb_get_methods();
2126 return pdb->set_trusted_domain(pdb, domain, td);
2127}
2128
2129NTSTATUS pdb_del_trusted_domain(const char *domain)
2130{
2131 struct pdb_methods *pdb = pdb_get_methods();
2132 return pdb->del_trusted_domain(pdb, domain);
2133}
2134
2135NTSTATUS pdb_enum_trusted_domains(TALLOC_CTX *mem_ctx, uint32_t *num_domains,
2136 struct pdb_trusted_domain ***domains)
2137{
2138 struct pdb_methods *pdb = pdb_get_methods();
2139 return pdb->enum_trusted_domains(pdb, mem_ctx, num_domains, domains);
2140}
2141
2142static NTSTATUS pdb_default_get_trusted_domain(struct pdb_methods *methods,
2143 TALLOC_CTX *mem_ctx,
2144 const char *domain,
2145 struct pdb_trusted_domain **td)
2146{
2147 return NT_STATUS_NOT_IMPLEMENTED;
2148}
2149
2150static NTSTATUS pdb_default_get_trusted_domain_by_sid(struct pdb_methods *methods,
2151 TALLOC_CTX *mem_ctx,
2152 struct dom_sid *sid,
2153 struct pdb_trusted_domain **td)
2154{
2155 return NT_STATUS_NOT_IMPLEMENTED;
2156}
2157
2158static NTSTATUS pdb_default_set_trusted_domain(struct pdb_methods *methods,
2159 const char* domain,
2160 const struct pdb_trusted_domain *td)
2161{
2162 return NT_STATUS_NOT_IMPLEMENTED;
2163}
2164
2165static NTSTATUS pdb_default_del_trusted_domain(struct pdb_methods *methods,
2166 const char *domain)
2167{
2168 return NT_STATUS_NOT_IMPLEMENTED;
2169}
2170
2171static NTSTATUS pdb_default_enum_trusted_domains(struct pdb_methods *methods,
2172 TALLOC_CTX *mem_ctx,
2173 uint32_t *num_domains,
2174 struct pdb_trusted_domain ***domains)
2175{
2176 return NT_STATUS_NOT_IMPLEMENTED;
2177}
2178
2179static struct pdb_domain_info *pdb_default_get_domain_info(
2180 struct pdb_methods *m, TALLOC_CTX *mem_ctx)
2181{
2182 return NULL;
2183}
2184
2185/*******************************************************************
2186 Create a pdb_methods structure and initialize it with the default
2187 operations. In this way a passdb module can simply implement
2188 the functionality it cares about. However, normally this is done
2189 in groups of related functions.
2190*******************************************************************/
2191
2192NTSTATUS make_pdb_method( struct pdb_methods **methods )
2193{
2194 /* allocate memory for the structure as its own talloc CTX */
2195
2196 *methods = talloc_zero(NULL, struct pdb_methods);
2197 if (*methods == NULL) {
2198 return NT_STATUS_NO_MEMORY;
2199 }
2200
2201 (*methods)->get_domain_info = pdb_default_get_domain_info;
2202 (*methods)->getsampwnam = pdb_default_getsampwnam;
2203 (*methods)->getsampwsid = pdb_default_getsampwsid;
2204 (*methods)->create_user = pdb_default_create_user;
2205 (*methods)->delete_user = pdb_default_delete_user;
2206 (*methods)->add_sam_account = pdb_default_add_sam_account;
2207 (*methods)->update_sam_account = pdb_default_update_sam_account;
2208 (*methods)->delete_sam_account = pdb_default_delete_sam_account;
2209 (*methods)->rename_sam_account = pdb_default_rename_sam_account;
2210 (*methods)->update_login_attempts = pdb_default_update_login_attempts;
2211
2212 (*methods)->getgrsid = pdb_default_getgrsid;
2213 (*methods)->getgrgid = pdb_default_getgrgid;
2214 (*methods)->getgrnam = pdb_default_getgrnam;
2215 (*methods)->create_dom_group = pdb_default_create_dom_group;
2216 (*methods)->delete_dom_group = pdb_default_delete_dom_group;
2217 (*methods)->add_group_mapping_entry = pdb_default_add_group_mapping_entry;
2218 (*methods)->update_group_mapping_entry = pdb_default_update_group_mapping_entry;
2219 (*methods)->delete_group_mapping_entry = pdb_default_delete_group_mapping_entry;
2220 (*methods)->enum_group_mapping = pdb_default_enum_group_mapping;
2221 (*methods)->enum_group_members = pdb_default_enum_group_members;
2222 (*methods)->enum_group_memberships = pdb_default_enum_group_memberships;
2223 (*methods)->set_unix_primary_group = pdb_default_set_unix_primary_group;
2224 (*methods)->add_groupmem = pdb_default_add_groupmem;
2225 (*methods)->del_groupmem = pdb_default_del_groupmem;
2226 (*methods)->create_alias = pdb_default_create_alias;
2227 (*methods)->delete_alias = pdb_default_delete_alias;
2228 (*methods)->get_aliasinfo = pdb_default_get_aliasinfo;
2229 (*methods)->set_aliasinfo = pdb_default_set_aliasinfo;
2230 (*methods)->add_aliasmem = pdb_default_add_aliasmem;
2231 (*methods)->del_aliasmem = pdb_default_del_aliasmem;
2232 (*methods)->enum_aliasmem = pdb_default_enum_aliasmem;
2233 (*methods)->enum_alias_memberships = pdb_default_alias_memberships;
2234 (*methods)->lookup_rids = pdb_default_lookup_rids;
2235 (*methods)->get_account_policy = pdb_default_get_account_policy;
2236 (*methods)->set_account_policy = pdb_default_set_account_policy;
2237 (*methods)->get_seq_num = pdb_default_get_seq_num;
2238 (*methods)->uid_to_sid = pdb_default_uid_to_sid;
2239 (*methods)->gid_to_sid = pdb_default_gid_to_sid;
2240 (*methods)->sid_to_id = pdb_default_sid_to_id;
2241
2242 (*methods)->search_groups = pdb_default_search_groups;
2243 (*methods)->search_aliases = pdb_default_search_aliases;
2244
2245 (*methods)->get_trusteddom_pw = pdb_default_get_trusteddom_pw;
2246 (*methods)->set_trusteddom_pw = pdb_default_set_trusteddom_pw;
2247 (*methods)->del_trusteddom_pw = pdb_default_del_trusteddom_pw;
2248 (*methods)->enum_trusteddoms = pdb_default_enum_trusteddoms;
2249
2250 (*methods)->get_trusted_domain = pdb_default_get_trusted_domain;
2251 (*methods)->get_trusted_domain_by_sid = pdb_default_get_trusted_domain_by_sid;
2252 (*methods)->set_trusted_domain = pdb_default_set_trusted_domain;
2253 (*methods)->del_trusted_domain = pdb_default_del_trusted_domain;
2254 (*methods)->enum_trusted_domains = pdb_default_enum_trusted_domains;
2255
2256 return NT_STATUS_OK;
2257}
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