source3/passdb/pdb_interface.c

   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 2 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, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_PASSDB
  28
  29 /* Cache of latest SAM lookup query */
  30
  31 static struct samu *csamuser = NULL;
  32
  33 static struct pdb_init_function_entry *backends = NULL;
  34
  35 static void lazy_initialize_passdb(void)
  36 {
  37         static BOOL initialized = False;
  38         if(initialized)return;
  39         static_init_pdb;
  40         initialized = True;
  41 }
  42
  43 static struct pdb_init_function_entry *pdb_find_backend_entry(const char *name);
  44 static BOOL lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32 rid,
  45                                   const char **name,
  46                                   enum SID_NAME_USE *psid_name_use,
  47                                   union unid_t *unix_id);
  48 /*******************************************************************
  49  Clean up uninitialised passwords.  The only way to tell
  50  that these values are not 'real' is that they do not
  51  have a valid last set time.  Instead, the value is fixed at 0.
  52  Therefore we use that as the key for 'is this a valid password'.
  53  However, it is perfectly valid to have a 'default' last change
  54  time, such LDAP with a missing attribute would produce.
  55 ********************************************************************/
  56
  57 static void pdb_force_pw_initialization(struct samu *pass)
  58 {
  59         const uint8 *lm_pwd, *nt_pwd;
  60
  61         /* only reset a password if the last set time has been
  62            explicitly been set to zero.  A default last set time
  63            is ignored */
  64
  65         if ( (pdb_get_init_flags(pass, PDB_PASSLASTSET) != PDB_DEFAULT)
  66                 && (pdb_get_pass_last_set_time(pass) == 0) )
  67         {
  68
  69                 if (pdb_get_init_flags(pass, PDB_LMPASSWD) != PDB_DEFAULT)
  70                 {
  71                         lm_pwd = pdb_get_lanman_passwd(pass);
  72                         if (lm_pwd)
  73                                 pdb_set_lanman_passwd(pass, NULL, PDB_CHANGED);
  74                 }
  75                 if (pdb_get_init_flags(pass, PDB_NTPASSWD) != PDB_DEFAULT)
  76                 {
  77                         nt_pwd = pdb_get_nt_passwd(pass);
  78                         if (nt_pwd)
  79                                 pdb_set_nt_passwd(pass, NULL, PDB_CHANGED);
  80                 }
  81         }
  82
  83         return;
  84 }
  85
  86 NTSTATUS smb_register_passdb(int version, const char *name, pdb_init_function init)
  87 {
  88         struct pdb_init_function_entry *entry = backends;
  89
  90         if(version != PASSDB_INTERFACE_VERSION) {
  91                 DEBUG(0,("Can't register passdb backend!\n"
  92                          "You tried to register a passdb module with PASSDB_INTERFACE_VERSION %d, "
  93                          "while this version of samba uses version %d\n",
  94                          version,PASSDB_INTERFACE_VERSION));
  95                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
  96         }
  97
  98         if (!name || !init) {
  99                 return NT_STATUS_INVALID_PARAMETER;
 100         }
 101
 102         DEBUG(5,("Attempting to register passdb backend %s\n", name));
 103
 104         /* Check for duplicates */
 105         if (pdb_find_backend_entry(name)) {
 106                 DEBUG(0,("There already is a passdb backend registered with the name %s!\n", name));
 107                 return NT_STATUS_OBJECT_NAME_COLLISION;
 108         }
 109
 110         entry = SMB_XMALLOC_P(struct pdb_init_function_entry);
 111         entry->name = smb_xstrdup(name);
 112         entry->init = init;
 113
 114         DLIST_ADD(backends, entry);
 115         DEBUG(5,("Successfully added passdb backend '%s'\n", name));
 116         return NT_STATUS_OK;
 117 }
 118
 119 static struct pdb_init_function_entry *pdb_find_backend_entry(const char *name)
 120 {
 121         struct pdb_init_function_entry *entry = backends;
 122
 123         while(entry) {
 124                 if (strcmp(entry->name, name)==0) return entry;
 125                 entry = entry->next;
 126         }
 127
 128         return NULL;
 129 }
 130
 131 /******************************************************************
 132   Make a pdb_methods from scratch
 133  *******************************************************************/
 134
 135 NTSTATUS make_pdb_method_name(struct pdb_methods **methods, const char *selected)
 136 {
 137         char *module_name = smb_xstrdup(selected);
 138         char *module_location = NULL, *p;
 139         struct pdb_init_function_entry *entry;
 140         NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
 141
 142         lazy_initialize_passdb();
 143
 144         p = strchr(module_name, ':');
 145
 146         if (p) {
 147                 *p = 0;
 148                 module_location = p+1;
 149                 trim_char(module_location, ' ', ' ');
 150         }
 151
 152         trim_char(module_name, ' ', ' ');
 153
 154
 155         DEBUG(5,("Attempting to find an passdb backend to match %s (%s)\n", selected, module_name));
 156
 157         entry = pdb_find_backend_entry(module_name);
 158
 159         /* Try to find a module that contains this module */
 160         if (!entry) {
 161                 DEBUG(2,("No builtin backend found, trying to load plugin\n"));
 162                 if(NT_STATUS_IS_OK(smb_probe_module("pdb", module_name)) && !(entry = pdb_find_backend_entry(module_name))) {
 163                         DEBUG(0,("Plugin is available, but doesn't register passdb backend %s\n", module_name));
 164                         SAFE_FREE(module_name);
 165                         return NT_STATUS_UNSUCCESSFUL;
 166                 }
 167         }
 168
 169         /* No such backend found */
 170         if(!entry) {
 171                 DEBUG(0,("No builtin nor plugin backend for %s found\n", module_name));
 172                 SAFE_FREE(module_name);
 173                 return NT_STATUS_INVALID_PARAMETER;
 174         }
 175
 176         DEBUG(5,("Found pdb backend %s\n", module_name));
 177
 178         if ( !NT_STATUS_IS_OK( nt_status = entry->init(methods, module_location) ) ) {
 179                 DEBUG(0,("pdb backend %s did not correctly init (error was %s)\n",
 180                         selected, nt_errstr(nt_status)));
 181                 SAFE_FREE(module_name);
 182                 return nt_status;
 183         }
 184
 185         SAFE_FREE(module_name);
 186
 187         DEBUG(5,("pdb backend %s has a valid init\n", selected));
 188
 189         return nt_status;
 190 }
 191
 192 /******************************************************************
 193  Return an already initialised pdn_methods structure
 194 *******************************************************************/
 195
 196 static struct pdb_methods *pdb_get_methods( BOOL reload )
 197 {
 198         static struct pdb_methods *pdb = NULL;
 199
 200         if ( pdb && reload ) {
 201                 pdb->free_private_data( &(pdb->private_data) );
 202                 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
 203                         return NULL;
 204                 }
 205         }
 206
 207         if ( !pdb ) {
 208                 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
 209                         return NULL;
 210                 }
 211         }
 212
 213         return pdb;
 214 }
 215
 216 /******************************************************************
 217  Backward compatibility functions for the original passdb interface
 218 *******************************************************************/
 219
 220 BOOL pdb_setsampwent(BOOL update, uint16 acb_mask)
 221 {
 222         struct pdb_methods *pdb = pdb_get_methods(False);
 223
 224         if ( !pdb ) {
 225                 return False;
 226         }
 227
 228         return NT_STATUS_IS_OK(pdb->setsampwent(pdb, update, acb_mask));
 229 }
 230
 231 void pdb_endsampwent(void)
 232 {
 233         struct pdb_methods *pdb = pdb_get_methods(False);
 234
 235         if ( !pdb ) {
 236                 return;
 237         }
 238
 239         pdb->endsampwent(pdb);
 240 }
 241
 242 BOOL pdb_getsampwent(struct samu *user)
 243 {
 244         struct pdb_methods *pdb = pdb_get_methods(False);
 245
 246         if ( !pdb ) {
 247                 return False;
 248         }
 249
 250         if ( !NT_STATUS_IS_OK(pdb->getsampwent(pdb, user) ) ) {
 251                 return False;
 252         }
 253
 254         pdb_force_pw_initialization( user );
 255
 256         return True;
 257 }
 258
 259 BOOL pdb_getsampwnam(struct samu *sam_acct, const char *username)
 260 {
 261         struct pdb_methods *pdb = pdb_get_methods(False);
 262
 263         if ( !pdb ) {
 264                 return False;
 265         }
 266
 267         if (!NT_STATUS_IS_OK(pdb->getsampwnam(pdb, sam_acct, username))) {
 268                 return False;
 269         }
 270
 271         if (csamuser != NULL) {
 272                 TALLOC_FREE(csamuser);
 273                 csamuser = NULL;
 274         }
 275
 276         pdb_force_pw_initialization( sam_acct );
 277         pdb_copy_sam_account(sam_acct, &csamuser);
 278
 279         return True;
 280 }
 281
 282 /**********************************************************************
 283 **********************************************************************/
 284
 285 BOOL guest_user_info( struct samu *user )
 286 {
 287         struct passwd *pwd;
 288         NTSTATUS ntstatus;
 289         const char *guestname = lp_guestaccount();
 290
 291         if ( !(pwd = getpwnam_alloc( NULL, guestname ) ) ) {
 292                 DEBUG(0,("guest_user_info: Unable to locate guest account [%s]!\n",
 293                         guestname));
 294                 return False;
 295         }
 296
 297         /* fill in from the users information */
 298
 299         ntstatus = pdb_fill_sam_pw( user, pwd );
 300
 301         return NT_STATUS_IS_OK(ntstatus);
 302
 303 }
 304
 305 /**********************************************************************
 306 **********************************************************************/
 307
 308 BOOL pdb_getsampwsid(struct samu *sam_acct, const DOM_SID *sid)
 309 {
 310         struct pdb_methods *pdb;
 311         uint32 rid;
 312
 313         if ( !(pdb = pdb_get_methods(False)) ) {
 314                 return False;
 315         }
 316
 317         /* hard code the Guest RID of 501 */
 318
 319         if ( !sid_peek_check_rid( get_global_sam_sid(), sid, &rid ) )
 320                 return False;
 321
 322         if ( rid == DOMAIN_USER_RID_GUEST ) {
 323                 DEBUG(6,("pdb_getsampwsid: Building guest account\n"));
 324                 return guest_user_info( sam_acct );
 325         }
 326
 327         /* check the cache first */
 328
 329         if ( csamuser && sid_equal(sid, pdb_get_user_sid(csamuser) ) )
 330                 return pdb_copy_sam_account(csamuser, &sam_acct);
 331
 332         return NT_STATUS_IS_OK(pdb->getsampwsid(pdb, sam_acct, sid));
 333 }
 334
 335 static NTSTATUS pdb_default_create_user(struct pdb_methods *methods,
 336                                         TALLOC_CTX *tmp_ctx, const char *name,
 337                                         uint32 acb_info, uint32 *rid)
 338 {
 339         struct samu *sam_pass = NULL;
 340         NTSTATUS status;
 341
 342         if (Get_Pwnam_alloc(tmp_ctx, name) == NULL) {
 343                 pstring add_script;
 344                 int add_ret;
 345
 346                 if ((acb_info & ACB_NORMAL) && name[strlen(name)-1] != '$') {
 347                         pstrcpy(add_script, lp_adduser_script());
 348                 } else {
 349                         pstrcpy(add_script, lp_addmachine_script());
 350                 }
 351
 352                 if (add_script[0] == '\0') {
 353                         DEBUG(3, ("Could not find user %s and no add script "
 354                                   "defined\n", name));
 355                         return NT_STATUS_NO_SUCH_USER;
 356                 }
 357
 358                 all_string_sub(add_script, "%u", name, sizeof(add_script));
 359                 add_ret = smbrun(add_script,NULL);
 360                 DEBUG(add_ret ? 0 : 3, ("_samr_create_user: Running the "
 361                                         "command `%s' gave %d\n",
 362                                         add_script, add_ret));
 363         }
 364
 365         /* implicit call to getpwnam() next.  we have a valid SID coming out
 366          * of this call */
 367
 368         flush_pwnam_cache();
 369         status = pdb_init_sam_new(&sam_pass, name);
 370
 371         if (!NT_STATUS_IS_OK(status)) {
 372                 DEBUG(3, ("pdb_init_sam_new failed: %s\n", nt_errstr(status)));
 373                 return status;
 374         }
 375
 376         if (!sid_peek_check_rid(get_global_sam_sid(),
 377                                 pdb_get_user_sid(sam_pass), rid)) {
 378                 DEBUG(0, ("Could not get RID of fresh user\n"));
 379                 return NT_STATUS_INTERNAL_ERROR;
 380         }
 381
 382         /* Disable the account on creation, it does not have a reasonable
 383          * password yet. */
 384
 385         acb_info |= ACB_DISABLED;
 386
 387         pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
 388
 389         status = pdb_add_sam_account(sam_pass);
 390
 391         TALLOC_FREE(sam_pass);
 392
 393         return status;
 394 }
 395
 396 NTSTATUS pdb_create_user(TALLOC_CTX *mem_ctx, const char *name, uint32 flags,
 397                          uint32 *rid)
 398 {
 399         struct pdb_methods *pdb = pdb_get_methods(False);
 400
 401         if ( !pdb ) {
 402                 return NT_STATUS_UNSUCCESSFUL;
 403         }
 404
 405         return pdb->create_user(pdb, mem_ctx, name, flags, rid);
 406 }
 407
 408 /****************************************************************************
 409  Delete a UNIX user on demand.
 410 ****************************************************************************/
 411
 412 static int smb_delete_user(const char *unix_user)
 413 {
 414         pstring del_script;
 415         int ret;
 416
 417         pstrcpy(del_script, lp_deluser_script());
 418         if (! *del_script)
 419                 return -1;
 420         all_string_sub(del_script, "%u", unix_user, sizeof(del_script));
 421         ret = smbrun(del_script,NULL);
 422         flush_pwnam_cache();
 423         DEBUG(ret ? 0 : 3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
 424
 425         return ret;
 426 }
 427
 428 static NTSTATUS pdb_default_delete_user(struct pdb_methods *methods,
 429                                         TALLOC_CTX *mem_ctx,
 430                                         struct samu *sam_acct)
 431 {
 432         NTSTATUS status;
 433
 434         status = pdb_delete_sam_account(sam_acct);
 435         if (!NT_STATUS_IS_OK(status)) {
 436                 return status;
 437         }
 438
 439         /*
 440          * Now delete the unix side ....
 441          * note: we don't check if the delete really happened as the script is
 442          * not necessary present and maybe the sysadmin doesn't want to delete
 443          * the unix side
 444          */
 445         smb_delete_user( pdb_get_username(sam_acct) );
 446
 447         return status;
 448 }
 449
 450 NTSTATUS pdb_delete_user(TALLOC_CTX *mem_ctx, struct samu *sam_acct)
 451 {
 452         struct pdb_methods *pdb = pdb_get_methods(False);
 453
 454         if ( !pdb ) {
 455                 return NT_STATUS_UNSUCCESSFUL;
 456         }
 457
 458         return pdb->delete_user(pdb, mem_ctx, sam_acct);
 459 }
 460
 461 NTSTATUS pdb_add_sam_account(struct samu *sam_acct)
 462 {
 463         struct pdb_methods *pdb = pdb_get_methods(False);
 464
 465         if ( !pdb ) {
 466                 return NT_STATUS_UNSUCCESSFUL;
 467         }
 468
 469         return pdb->add_sam_account(pdb, sam_acct);
 470 }
 471
 472 NTSTATUS pdb_update_sam_account(struct samu *sam_acct)
 473 {
 474         struct pdb_methods *pdb = pdb_get_methods(False);
 475
 476         if ( !pdb ) {
 477                 return NT_STATUS_UNSUCCESSFUL;
 478         }
 479
 480         if (csamuser != NULL) {
 481                 TALLOC_FREE(csamuser);
 482                 csamuser = NULL;
 483         }
 484
 485         return pdb->update_sam_account(pdb, sam_acct);
 486 }
 487
 488 NTSTATUS pdb_delete_sam_account(struct samu *sam_acct)
 489 {
 490         struct pdb_methods *pdb = pdb_get_methods(False);
 491
 492         if ( !pdb ) {
 493                 return NT_STATUS_UNSUCCESSFUL;
 494         }
 495
 496         if (csamuser != NULL) {
 497                 TALLOC_FREE(csamuser);
 498                 csamuser = NULL;
 499         }
 500
 501         return pdb->delete_sam_account(pdb, sam_acct);
 502 }
 503
 504 NTSTATUS pdb_rename_sam_account(struct samu *oldname, const char *newname)
 505 {
 506         struct pdb_methods *pdb = pdb_get_methods(False);
 507
 508         if ( !pdb ) {
 509                 return NT_STATUS_NOT_IMPLEMENTED;
 510         }
 511
 512         if (csamuser != NULL) {
 513                 TALLOC_FREE(csamuser);
 514                 csamuser = NULL;
 515         }
 516
 517         return pdb->rename_sam_account(pdb, oldname, newname);
 518 }
 519
 520 NTSTATUS pdb_update_login_attempts(struct samu *sam_acct, BOOL success)
 521 {
 522         struct pdb_methods *pdb = pdb_get_methods(False);
 523
 524         if ( !pdb ) {
 525                 return NT_STATUS_NOT_IMPLEMENTED;
 526         }
 527
 528         return pdb->update_login_attempts(pdb, sam_acct, success);
 529 }
 530
 531 BOOL pdb_getgrsid(GROUP_MAP *map, DOM_SID sid)
 532 {
 533         struct pdb_methods *pdb = pdb_get_methods(False);
 534
 535         if ( !pdb ) {
 536                 return False;
 537         }
 538
 539         return NT_STATUS_IS_OK(pdb->getgrsid(pdb, map, sid));
 540 }
 541
 542 BOOL pdb_getgrgid(GROUP_MAP *map, gid_t gid)
 543 {
 544         struct pdb_methods *pdb = pdb_get_methods(False);
 545
 546         if ( !pdb ) {
 547                 return False;
 548         }
 549
 550         return NT_STATUS_IS_OK(pdb->getgrgid(pdb, map, gid));
 551 }
 552
 553 BOOL pdb_getgrnam(GROUP_MAP *map, const char *name)
 554 {
 555         struct pdb_methods *pdb = pdb_get_methods(False);
 556
 557         if ( !pdb ) {
 558                 return False;
 559         }
 560
 561         return NT_STATUS_IS_OK(pdb->getgrnam(pdb, map, name));
 562 }
 563
 564 static NTSTATUS pdb_default_create_dom_group(struct pdb_methods *methods,
 565                                              TALLOC_CTX *mem_ctx,
 566                                              const char *name,
 567                                              uint32 *rid)
 568 {
 569         DOM_SID group_sid;
 570         struct group *grp;
 571
 572         grp = getgrnam(name);
 573
 574         if (grp == NULL) {
 575                 gid_t gid;
 576
 577                 if (smb_create_group(name, &gid) != 0) {
 578                         return NT_STATUS_ACCESS_DENIED;
 579                 }
 580
 581                 grp = getgrgid(gid);
 582         }
 583
 584         if (grp == NULL) {
 585                 return NT_STATUS_ACCESS_DENIED;
 586         }
 587
 588         if (pdb_rid_algorithm()) {
 589                 *rid = pdb_gid_to_group_rid( grp->gr_gid );
 590         } else {
 591                 if (!pdb_new_rid(rid)) {
 592                         return NT_STATUS_ACCESS_DENIED;
 593                 }
 594         }
 595
 596         sid_compose(&group_sid, get_global_sam_sid(), *rid);
 597
 598         return add_initial_entry(grp->gr_gid, sid_string_static(&group_sid),
 599                                  SID_NAME_DOM_GRP, name, NULL);
 600 }
 601
 602 NTSTATUS pdb_create_dom_group(TALLOC_CTX *mem_ctx, const char *name,
 603                               uint32 *rid)
 604 {
 605         struct pdb_methods *pdb = pdb_get_methods(False);
 606
 607         if ( !pdb ) {
 608                 return NT_STATUS_UNSUCCESSFUL;
 609         }
 610
 611         return pdb->create_dom_group(pdb, mem_ctx, name, rid);
 612 }
 613
 614 static NTSTATUS pdb_default_delete_dom_group(struct pdb_methods *methods,
 615                                              TALLOC_CTX *mem_ctx,
 616                                              uint32 rid)
 617 {
 618         DOM_SID group_sid;
 619         GROUP_MAP map;
 620         NTSTATUS status;
 621         struct group *grp;
 622         const char *grp_name;
 623
 624         sid_compose(&group_sid, get_global_sam_sid(), rid);
 625
 626         if (!get_domain_group_from_sid(group_sid, &map)) {
 627                 DEBUG(10, ("Could not find group for rid %d\n", rid));
 628                 return NT_STATUS_NO_SUCH_GROUP;
 629         }
 630
 631         /* We need the group name for the smb_delete_group later on */
 632
 633         if (map.gid == (gid_t)-1) {
 634                 return NT_STATUS_NO_SUCH_GROUP;
 635         }
 636
 637         grp = getgrgid(map.gid);
 638         if (grp == NULL) {
 639                 return NT_STATUS_NO_SUCH_GROUP;
 640         }
 641
 642         /* Copy the name, no idea what pdb_delete_group_mapping_entry does.. */
 643
 644         grp_name = talloc_strdup(mem_ctx, grp->gr_name);
 645         if (grp_name == NULL) {
 646                 return NT_STATUS_NO_MEMORY;
 647         }
 648
 649         status = pdb_delete_group_mapping_entry(group_sid);
 650
 651         if (!NT_STATUS_IS_OK(status)) {
 652                 return status;
 653         }
 654
 655         /* Don't check the result of smb_delete_group */
 656
 657         smb_delete_group(grp_name);
 658
 659         return NT_STATUS_OK;
 660 }
 661
 662 NTSTATUS pdb_delete_dom_group(TALLOC_CTX *mem_ctx, uint32 rid)
 663 {
 664         struct pdb_methods *pdb = pdb_get_methods(False);
 665
 666         if ( !pdb ) {
 667                 return NT_STATUS_UNSUCCESSFUL;
 668         }
 669
 670         return pdb->delete_dom_group(pdb, mem_ctx, rid);
 671 }
 672
 673 NTSTATUS pdb_add_group_mapping_entry(GROUP_MAP *map)
 674 {
 675         struct pdb_methods *pdb = pdb_get_methods(False);
 676
 677         if ( !pdb ) {
 678                 return NT_STATUS_UNSUCCESSFUL;
 679         }
 680
 681         return pdb->add_group_mapping_entry(pdb, map);
 682 }
 683
 684 NTSTATUS pdb_update_group_mapping_entry(GROUP_MAP *map)
 685 {
 686         struct pdb_methods *pdb = pdb_get_methods(False);
 687
 688         if ( !pdb ) {
 689                 return NT_STATUS_UNSUCCESSFUL;
 690         }
 691
 692         return pdb->update_group_mapping_entry(pdb, map);
 693 }
 694
 695 NTSTATUS pdb_delete_group_mapping_entry(DOM_SID sid)
 696 {
 697         struct pdb_methods *pdb = pdb_get_methods(False);
 698
 699         if ( !pdb ) {
 700                 return NT_STATUS_UNSUCCESSFUL;
 701         }
 702
 703         return pdb->delete_group_mapping_entry(pdb, sid);
 704 }
 705
 706 BOOL pdb_enum_group_mapping(enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap,
 707                             size_t *p_num_entries, BOOL unix_only)
 708 {
 709         struct pdb_methods *pdb = pdb_get_methods(False);
 710
 711         if ( !pdb ) {
 712                 return False;
 713         }
 714
 715         return NT_STATUS_IS_OK(pdb-> enum_group_mapping(pdb, sid_name_use,
 716                 pp_rmap, p_num_entries, unix_only));
 717 }
 718
 719 NTSTATUS pdb_enum_group_members(TALLOC_CTX *mem_ctx,
 720                                 const DOM_SID *sid,
 721                                 uint32 **pp_member_rids,
 722                                 size_t *p_num_members)
 723 {
 724         struct pdb_methods *pdb = pdb_get_methods(False);
 725
 726         if ( !pdb ) {
 727                 return NT_STATUS_UNSUCCESSFUL;
 728         }
 729
 730         return pdb->enum_group_members(pdb, mem_ctx, sid,
 731                                                    pp_member_rids, p_num_members);
 732 }
 733
 734 NTSTATUS pdb_enum_group_memberships(TALLOC_CTX *mem_ctx, struct samu *user,
 735                                     DOM_SID **pp_sids, gid_t **pp_gids,
 736                                     size_t *p_num_groups)
 737 {
 738         struct pdb_methods *pdb = pdb_get_methods(False);
 739
 740         if ( !pdb ) {
 741                 return NT_STATUS_UNSUCCESSFUL;
 742         }
 743
 744         return pdb->enum_group_memberships(
 745                 pdb, mem_ctx, user,
 746                 pp_sids, pp_gids, p_num_groups);
 747 }
 748
 749 static NTSTATUS pdb_default_set_unix_primary_group(struct pdb_methods *methods,
 750                                                    TALLOC_CTX *mem_ctx,
 751                                                    struct samu *sampass)
 752 {
 753         struct group *grp;
 754         gid_t gid;
 755
 756         if (!sid_to_gid(pdb_get_group_sid(sampass), &gid) ||
 757             (grp = getgrgid(gid)) == NULL) {
 758                 return NT_STATUS_INVALID_PRIMARY_GROUP;
 759         }
 760
 761         if (smb_set_primary_group(grp->gr_name,
 762                                   pdb_get_username(sampass)) != 0) {
 763                 return NT_STATUS_ACCESS_DENIED;
 764         }
 765
 766         return NT_STATUS_OK;
 767 }
 768
 769 NTSTATUS pdb_set_unix_primary_group(TALLOC_CTX *mem_ctx, struct samu *user)
 770 {
 771         struct pdb_methods *pdb = pdb_get_methods(False);
 772
 773         if ( !pdb ) {
 774                 return NT_STATUS_UNSUCCESSFUL;
 775         }
 776
 777         return pdb->set_unix_primary_group(pdb, mem_ctx, user);
 778 }
 779
 780 /*
 781  * Helper function to see whether a user is in a group. We can't use
 782  * user_in_group_sid here because this creates dependencies only smbd can
 783  * fulfil.
 784  */
 785
 786 static BOOL pdb_user_in_group(TALLOC_CTX *mem_ctx, struct samu *account,
 787                               const DOM_SID *group_sid)
 788 {
 789         DOM_SID *sids;
 790         gid_t *gids;
 791         size_t i, num_groups;
 792
 793         if (!NT_STATUS_IS_OK(pdb_enum_group_memberships(mem_ctx, account,
 794                                                         &sids, &gids,
 795                                                         &num_groups))) {
 796                 return False;
 797         }
 798
 799         for (i=0; i<num_groups; i++) {
 800                 if (sid_equal(group_sid, &sids[i])) {
 801                         return True;
 802                 }
 803         }
 804         return False;
 805 }
 806
 807 static NTSTATUS pdb_default_add_groupmem(struct pdb_methods *methods,
 808                                          TALLOC_CTX *mem_ctx,
 809                                          uint32 group_rid,
 810                                          uint32 member_rid)
 811 {
 812         DOM_SID group_sid, member_sid;
 813         struct samu *account = NULL;
 814         GROUP_MAP map;
 815         struct group *grp;
 816         struct passwd *pwd;
 817         const char *group_name;
 818         uid_t uid;
 819         NTSTATUS status;
 820
 821         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
 822         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
 823
 824         if (!get_domain_group_from_sid(group_sid, &map) ||
 825             (map.gid == (gid_t)-1) ||
 826             ((grp = getgrgid(map.gid)) == NULL)) {
 827                 return NT_STATUS_NO_SUCH_GROUP;
 828         }
 829
 830         group_name = talloc_strdup(mem_ctx, grp->gr_name);
 831         if (group_name == NULL) {
 832                 return NT_STATUS_NO_MEMORY;
 833         }
 834
 835         if (!NT_STATUS_IS_OK(status = pdb_init_sam(&account))) {
 836                 return status;
 837         }
 838
 839         if (!pdb_getsampwsid(account, &member_sid) ||
 840             !sid_to_uid(&member_sid, &uid) ||
 841             ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
 842                 return NT_STATUS_NO_SUCH_USER;
 843         }
 844
 845         if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
 846                 return NT_STATUS_MEMBER_IN_GROUP;
 847         }
 848
 849         /*
 850          * ok, the group exist, the user exist, the user is not in the group,
 851          * we can (finally) add it to the group !
 852          */
 853
 854         smb_add_user_group(group_name, pwd->pw_name);
 855
 856         if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
 857                 return NT_STATUS_ACCESS_DENIED;
 858         }
 859
 860         return NT_STATUS_OK;
 861 }
 862
 863 NTSTATUS pdb_add_groupmem(TALLOC_CTX *mem_ctx, uint32 group_rid,
 864                           uint32 member_rid)
 865 {
 866         struct pdb_methods *pdb = pdb_get_methods(False);
 867
 868         if ( !pdb ) {
 869                 return NT_STATUS_UNSUCCESSFUL;
 870         }
 871
 872         return pdb->add_groupmem(pdb, mem_ctx, group_rid, member_rid);
 873 }
 874
 875 static NTSTATUS pdb_default_del_groupmem(struct pdb_methods *methods,
 876                                          TALLOC_CTX *mem_ctx,
 877                                          uint32 group_rid,
 878                                          uint32 member_rid)
 879 {
 880         DOM_SID group_sid, member_sid;
 881         struct samu *account = NULL;
 882         GROUP_MAP map;
 883         struct group *grp;
 884         struct passwd *pwd;
 885         const char *group_name;
 886         uid_t uid;
 887         NTSTATUS status;
 888
 889         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
 890         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
 891
 892         if (!get_domain_group_from_sid(group_sid, &map) ||
 893             (map.gid == (gid_t)-1) ||
 894             ((grp = getgrgid(map.gid)) == NULL)) {
 895                 return NT_STATUS_NO_SUCH_GROUP;
 896         }
 897
 898         group_name = talloc_strdup(mem_ctx, grp->gr_name);
 899         if (group_name == NULL) {
 900                 return NT_STATUS_NO_MEMORY;
 901         }
 902
 903         if (!NT_STATUS_IS_OK(status = pdb_init_sam(&account))) {
 904                 return status;
 905         }
 906
 907         if (!pdb_getsampwsid(account, &member_sid) ||
 908             !sid_to_uid(&member_sid, &uid) ||
 909             ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
 910                 return NT_STATUS_NO_SUCH_USER;
 911         }
 912
 913         if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
 914                 return NT_STATUS_MEMBER_NOT_IN_GROUP;
 915         }
 916
 917         /*
 918          * ok, the group exist, the user exist, the user is in the group,
 919          * we can (finally) delete it from the group!
 920          */
 921
 922         smb_delete_user_group(group_name, pwd->pw_name);
 923
 924         if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
 925                 return NT_STATUS_ACCESS_DENIED;
 926         }
 927
 928         return NT_STATUS_OK;
 929 }
 930
 931 NTSTATUS pdb_del_groupmem(TALLOC_CTX *mem_ctx, uint32 group_rid,
 932                           uint32 member_rid)
 933 {
 934         struct pdb_methods *pdb = pdb_get_methods(False);
 935
 936         if ( !pdb ) {
 937                 return NT_STATUS_UNSUCCESSFUL;
 938         }
 939
 940         return pdb->del_groupmem(pdb, mem_ctx, group_rid, member_rid);
 941 }
 942
 943 BOOL pdb_find_alias(const char *name, DOM_SID *sid)
 944 {
 945         struct pdb_methods *pdb = pdb_get_methods(False);
 946
 947         if ( !pdb ) {
 948                 return False;
 949         }
 950
 951         return NT_STATUS_IS_OK(pdb->find_alias(pdb,
 952                                                              name, sid));
 953 }
 954
 955 NTSTATUS pdb_create_alias(const char *name, uint32 *rid)
 956 {
 957         struct pdb_methods *pdb = pdb_get_methods(False);
 958
 959         if ( !pdb ) {
 960                 return NT_STATUS_NOT_IMPLEMENTED;
 961         }
 962
 963         return pdb->create_alias(pdb, name, rid);
 964 }
 965
 966 BOOL pdb_delete_alias(const DOM_SID *sid)
 967 {
 968         struct pdb_methods *pdb = pdb_get_methods(False);
 969
 970         if ( !pdb ) {
 971                 return False;
 972         }
 973
 974         return NT_STATUS_IS_OK(pdb->delete_alias(pdb,
 975                                                              sid));
 976
 977 }
 978
 979 BOOL pdb_get_aliasinfo(const DOM_SID *sid, struct acct_info *info)
 980 {
 981         struct pdb_methods *pdb = pdb_get_methods(False);
 982
 983         if ( !pdb ) {
 984                 return False;
 985         }
 986
 987         return NT_STATUS_IS_OK(pdb->get_aliasinfo(pdb, sid,
 988                                                               info));
 989 }
 990
 991 BOOL pdb_set_aliasinfo(const DOM_SID *sid, struct acct_info *info)
 992 {
 993         struct pdb_methods *pdb = pdb_get_methods(False);
 994
 995         if ( !pdb ) {
 996                 return False;
 997         }
 998
 999         return NT_STATUS_IS_OK(pdb->set_aliasinfo(pdb, sid,
1000                                                               info));
1001 }
1002
1003 NTSTATUS pdb_add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
1004 {
1005         struct pdb_methods *pdb = pdb_get_methods(False);
1006
1007         if ( !pdb ) {
1008                 return NT_STATUS_UNSUCCESSFUL;
1009         }
1010
1011         return pdb->add_aliasmem(pdb, alias, member);
1012 }
1013
1014 NTSTATUS pdb_del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
1015 {
1016         struct pdb_methods *pdb = pdb_get_methods(False);
1017
1018         if ( !pdb ) {
1019                 return NT_STATUS_UNSUCCESSFUL;
1020         }
1021
1022         return pdb->del_aliasmem(pdb, alias, member);
1023 }
1024
1025 NTSTATUS pdb_enum_aliasmem(const DOM_SID *alias,
1026                            DOM_SID **pp_members, size_t *p_num_members)
1027 {
1028         struct pdb_methods *pdb = pdb_get_methods(False);
1029
1030         if ( !pdb ) {
1031                 return NT_STATUS_UNSUCCESSFUL;
1032         }
1033
1034         return pdb->enum_aliasmem(pdb, alias,
1035                                               pp_members, p_num_members);
1036 }
1037
1038 NTSTATUS pdb_enum_alias_memberships(TALLOC_CTX *mem_ctx,
1039                                     const DOM_SID *domain_sid,
1040                                     const DOM_SID *members, size_t num_members,
1041                                     uint32 **pp_alias_rids,
1042                                     size_t *p_num_alias_rids)
1043 {
1044         struct pdb_methods *pdb = pdb_get_methods(False);
1045
1046         if ( !pdb ) {
1047                 return NT_STATUS_NOT_IMPLEMENTED;
1048         }
1049
1050         return pdb->enum_alias_memberships(pdb, mem_ctx,
1051                                                        domain_sid,
1052                                                        members, num_members,
1053                                                        pp_alias_rids,
1054                                                        p_num_alias_rids);
1055 }
1056
1057 NTSTATUS pdb_lookup_rids(const DOM_SID *domain_sid,
1058                          int num_rids,
1059                          uint32 *rids,
1060                          const char **names,
1061                          uint32 *attrs)
1062 {
1063         struct pdb_methods *pdb = pdb_get_methods(False);
1064
1065         if ( !pdb ) {
1066                 return NT_STATUS_NOT_IMPLEMENTED;
1067         }
1068
1069         return pdb->lookup_rids(pdb, domain_sid,
1070                                             num_rids, rids, names, attrs);
1071 }
1072
1073 NTSTATUS pdb_lookup_names(const DOM_SID *domain_sid,
1074                           int num_names,
1075                           const char **names,
1076                           uint32 *rids,
1077                           uint32 *attrs)
1078 {
1079         struct pdb_methods *pdb = pdb_get_methods(False);
1080
1081         if ( !pdb ) {
1082                 return NT_STATUS_NOT_IMPLEMENTED;
1083         }
1084
1085         return pdb->lookup_names(pdb, domain_sid,
1086                                              num_names, names, rids, attrs);
1087 }
1088
1089 BOOL pdb_get_account_policy(int policy_index, uint32 *value)
1090 {
1091         struct pdb_methods *pdb = pdb_get_methods(False);
1092
1093         if ( !pdb ) {
1094                 return False;
1095         }
1096
1097         return NT_STATUS_IS_OK(pdb->get_account_policy(pdb, policy_index, value));
1098 }
1099
1100 BOOL pdb_set_account_policy(int policy_index, uint32 value)
1101 {
1102         struct pdb_methods *pdb = pdb_get_methods(False);
1103
1104         if ( !pdb ) {
1105                 return False;
1106         }
1107
1108         return NT_STATUS_IS_OK(pdb->set_account_policy(pdb, policy_index, value));
1109 }
1110
1111 BOOL pdb_get_seq_num(time_t *seq_num)
1112 {
1113         struct pdb_methods *pdb = pdb_get_methods(False);
1114
1115         if ( !pdb ) {
1116                 return False;
1117         }
1118
1119         return NT_STATUS_IS_OK(pdb->get_seq_num(pdb, seq_num));
1120 }
1121
1122 BOOL pdb_uid_to_rid(uid_t uid, uint32 *rid)
1123 {
1124         struct pdb_methods *pdb = pdb_get_methods(False);
1125
1126         if ( !pdb ) {
1127                 return False;
1128         }
1129
1130         return pdb->uid_to_rid(pdb, uid, rid);
1131 }
1132
1133 BOOL pdb_gid_to_sid(gid_t gid, DOM_SID *sid)
1134 {
1135         struct pdb_methods *pdb = pdb_get_methods(False);
1136
1137         if ( !pdb ) {
1138                 return False;
1139         }
1140
1141         return pdb->gid_to_sid(pdb, gid, sid);
1142 }
1143
1144 BOOL pdb_sid_to_id(const DOM_SID *sid, union unid_t *id,
1145                    enum SID_NAME_USE *type)
1146 {
1147         struct pdb_methods *pdb = pdb_get_methods(False);
1148
1149         if ( !pdb ) {
1150                 return False;
1151         }
1152
1153         return pdb->sid_to_id(pdb, sid, id, type);
1154 }
1155
1156 BOOL pdb_rid_algorithm(void)
1157 {
1158         struct pdb_methods *pdb = pdb_get_methods(False);
1159
1160         if ( !pdb ) {
1161                 return False;
1162         }
1163
1164         return pdb->rid_algorithm(pdb);
1165 }
1166
1167 BOOL pdb_new_rid(uint32 *rid)
1168 {
1169         struct pdb_methods *pdb = pdb_get_methods(False);
1170
1171         if ( !pdb ) {
1172                 return False;
1173         }
1174
1175         if (pdb_rid_algorithm()) {
1176                 DEBUG(0, ("Trying to allocate a RID when algorithmic RIDs "
1177                           "are active\n"));
1178                 return False;
1179         }
1180
1181         if (algorithmic_rid_base() != BASE_RID) {
1182                 DEBUG(0, ("'algorithmic rid base' is set but a passdb backend "
1183                           "without algorithmic RIDs is chosen.\n"));
1184                 DEBUGADD(0, ("Please map all used groups using 'net groupmap "
1185                              "add', set the maximum used RID using\n"));
1186                 DEBUGADD(0, ("'net setmaxrid' and remove the parameter\n"));
1187                 return False;
1188         }
1189
1190         return pdb->new_rid(pdb, rid);
1191 }
1192
1193 /***************************************************************
1194   Initialize the static context (at smbd startup etc).
1195
1196   If uninitialised, context will auto-init on first use.
1197  ***************************************************************/
1198
1199 BOOL initialize_password_db(BOOL reload)
1200 {
1201         return (pdb_get_methods(reload) != NULL);
1202 }
1203
1204
1205 /***************************************************************************
1206   Default implementations of some functions.
1207  ****************************************************************************/
1208
1209 static NTSTATUS pdb_default_getsampwnam (struct pdb_methods *methods, struct samu *user, const char *sname)
1210 {
1211         return NT_STATUS_NO_SUCH_USER;
1212 }
1213
1214 static NTSTATUS pdb_default_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1215 {
1216         return NT_STATUS_NO_SUCH_USER;
1217 }
1218
1219 static NTSTATUS pdb_default_add_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1220 {
1221         DEBUG(0,("this backend (%s) should not be listed as the first passdb backend! You can't add users to it.\n", methods->name));
1222         return NT_STATUS_NOT_IMPLEMENTED;
1223 }
1224
1225 static NTSTATUS pdb_default_update_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1226 {
1227         return NT_STATUS_NOT_IMPLEMENTED;
1228 }
1229
1230 static NTSTATUS pdb_default_delete_sam_account (struct pdb_methods *methods, struct samu *pwd)
1231 {
1232         return NT_STATUS_NOT_IMPLEMENTED;
1233 }
1234
1235 static NTSTATUS pdb_default_rename_sam_account (struct pdb_methods *methods, struct samu *pwd, const char *newname)
1236 {
1237         return NT_STATUS_NOT_IMPLEMENTED;
1238 }
1239
1240 static NTSTATUS pdb_default_update_login_attempts (struct pdb_methods *methods, struct samu *newpwd, BOOL success)
1241 {
1242         return NT_STATUS_OK;
1243 }
1244
1245 static NTSTATUS pdb_default_setsampwent(struct pdb_methods *methods, BOOL update, uint16 acb_mask)
1246 {
1247         return NT_STATUS_NOT_IMPLEMENTED;
1248 }
1249
1250 static NTSTATUS pdb_default_getsampwent(struct pdb_methods *methods, struct samu *user)
1251 {
1252         return NT_STATUS_NOT_IMPLEMENTED;
1253 }
1254
1255 static void pdb_default_endsampwent(struct pdb_methods *methods)
1256 {
1257         return; /* NT_STATUS_NOT_IMPLEMENTED; */
1258 }
1259
1260 static NTSTATUS pdb_default_get_account_policy(struct pdb_methods *methods, int policy_index, uint32 *value)
1261 {
1262         return account_policy_get(policy_index, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1263 }
1264
1265 static NTSTATUS pdb_default_set_account_policy(struct pdb_methods *methods, int policy_index, uint32 value)
1266 {
1267         return account_policy_set(policy_index, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1268 }
1269
1270 static NTSTATUS pdb_default_get_seq_num(struct pdb_methods *methods, time_t *seq_num)
1271 {
1272         *seq_num = time(NULL);
1273         return NT_STATUS_OK;
1274 }
1275
1276 static BOOL pdb_default_uid_to_rid(struct pdb_methods *methods, uid_t uid,
1277                                    uint32 *rid)
1278 {
1279         struct samu *sampw = NULL;
1280         struct passwd *unix_pw;
1281         BOOL ret;
1282
1283         unix_pw = sys_getpwuid( uid );
1284
1285         if ( !unix_pw ) {
1286                 DEBUG(4,("pdb_default_uid_to_rid: host has no idea of uid "
1287                          "%lu\n", (unsigned long)uid));
1288                 return False;
1289         }
1290
1291         if ( !NT_STATUS_IS_OK(pdb_init_sam(&sampw)) ) {
1292                 DEBUG(0,("pdb_default_uid_to_rid: failed to allocate "
1293                          "struct samu object\n"));
1294                 return False;
1295         }
1296
1297         become_root();
1298         ret = NT_STATUS_IS_OK(
1299                 methods->getsampwnam(methods, sampw, unix_pw->pw_name ));
1300         unbecome_root();
1301
1302         if (!ret) {
1303                 DEBUG(5, ("pdb_default_uid_to_rid: Did not find user "
1304                           "%s (%d)\n", unix_pw->pw_name, uid));
1305                 TALLOC_FREE(sampw);
1306                 return False;
1307         }
1308
1309         ret = sid_peek_check_rid(get_global_sam_sid(),
1310                                  pdb_get_user_sid(sampw), rid);
1311
1312         if (!ret) {
1313                 DEBUG(1, ("Could not peek rid out of sid %s\n",
1314                           sid_string_static(pdb_get_user_sid(sampw))));
1315         }
1316
1317         TALLOC_FREE(sampw);
1318         return ret;
1319 }
1320
1321 static BOOL pdb_default_gid_to_sid(struct pdb_methods *methods, gid_t gid,
1322                                    DOM_SID *sid)
1323 {
1324         GROUP_MAP map;
1325
1326         if (!NT_STATUS_IS_OK(methods->getgrgid(methods, &map, gid))) {
1327                 return False;
1328         }
1329
1330         sid_copy(sid, &map.sid);
1331         return True;
1332 }
1333
1334 static BOOL pdb_default_sid_to_id(struct pdb_methods *methods,
1335                                   const DOM_SID *sid,
1336                                   union unid_t *id, enum SID_NAME_USE *type)
1337 {
1338         TALLOC_CTX *mem_ctx;
1339         BOOL ret = False;
1340         const char *name;
1341         uint32 rid;
1342
1343         mem_ctx = talloc_new(NULL);
1344
1345         if (mem_ctx == NULL) {
1346                 DEBUG(0, ("talloc_new failed\n"));
1347                 return False;
1348         }
1349
1350         if (sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) {
1351                 /* Here we might have users as well as groups and aliases */
1352                 ret = lookup_global_sam_rid(mem_ctx, rid, &name, type, id);
1353                 goto done;
1354         }
1355
1356         if (sid_peek_check_rid(&global_sid_Builtin, sid, &rid)) {
1357                 /* Here we only have aliases */
1358                 GROUP_MAP map;
1359                 if (!NT_STATUS_IS_OK(methods->getgrsid(methods, &map, *sid))) {
1360                         DEBUG(10, ("Could not find map for sid %s\n",
1361                                    sid_string_static(sid)));
1362                         goto done;
1363                 }
1364                 if ((map.sid_name_use != SID_NAME_ALIAS) &&
1365                     (map.sid_name_use != SID_NAME_WKN_GRP)) {
1366                         DEBUG(10, ("Map for sid %s is a %s, expected an "
1367                                    "alias\n", sid_string_static(sid),
1368                                    sid_type_lookup(map.sid_name_use)));
1369                         goto done;
1370                 }
1371
1372                 id->gid = map.gid;
1373                 *type = SID_NAME_ALIAS;
1374                 ret = True;
1375                 goto done;
1376         }
1377
1378         DEBUG(5, ("Sid %s is neither ours nor builtin, don't know it\n",
1379                   sid_string_static(sid)));
1380
1381  done:
1382
1383         TALLOC_FREE(mem_ctx);
1384         return ret;
1385 }
1386
1387 static void add_uid_to_array_unique(TALLOC_CTX *mem_ctx,
1388                                     uid_t uid, uid_t **pp_uids, size_t *p_num)
1389 {
1390         size_t i;
1391
1392         for (i=0; i<*p_num; i++) {
1393                 if ((*pp_uids)[i] == uid)
1394                         return;
1395         }
1396
1397         *pp_uids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_uids, uid_t, *p_num+1);
1398
1399         if (*pp_uids == NULL)
1400                 return;
1401
1402         (*pp_uids)[*p_num] = uid;
1403         *p_num += 1;
1404 }
1405
1406 static BOOL get_memberuids(TALLOC_CTX *mem_ctx, gid_t gid, uid_t **pp_uids, size_t *p_num)
1407 {
1408         struct group *grp;
1409         char **gr;
1410         struct passwd *pwd;
1411
1412         *pp_uids = NULL;
1413         *p_num = 0;
1414
1415         /* We only look at our own sam, so don't care about imported stuff */
1416
1417         winbind_off();
1418
1419         if ((grp = getgrgid(gid)) == NULL) {
1420                 winbind_on();
1421                 return False;
1422         }
1423
1424         /* Primary group members */
1425
1426         setpwent();
1427         while ((pwd = getpwent()) != NULL) {
1428                 if (pwd->pw_gid == gid) {
1429                         add_uid_to_array_unique(mem_ctx, pwd->pw_uid,
1430                                                 pp_uids, p_num);
1431                 }
1432         }
1433         endpwent();
1434
1435         /* Secondary group members */
1436
1437         for (gr = grp->gr_mem; (*gr != NULL) && ((*gr)[0] != '\0'); gr += 1) {
1438                 struct passwd *pw = getpwnam(*gr);
1439
1440                 if (pw == NULL)
1441                         continue;
1442                 add_uid_to_array_unique(mem_ctx, pw->pw_uid, pp_uids, p_num);
1443         }
1444
1445         winbind_on();
1446
1447         return True;
1448 }
1449
1450 NTSTATUS pdb_default_enum_group_members(struct pdb_methods *methods,
1451                                         TALLOC_CTX *mem_ctx,
1452                                         const DOM_SID *group,
1453                                         uint32 **pp_member_rids,
1454                                         size_t *p_num_members)
1455 {
1456         gid_t gid;
1457         uid_t *uids;
1458         size_t i, num_uids;
1459
1460         *pp_member_rids = NULL;
1461         *p_num_members = 0;
1462
1463         if (!sid_to_gid(group, &gid))
1464                 return NT_STATUS_NO_SUCH_GROUP;
1465
1466         if(!get_memberuids(mem_ctx, gid, &uids, &num_uids))
1467                 return NT_STATUS_NO_SUCH_GROUP;
1468
1469         if (num_uids == 0)
1470                 return NT_STATUS_OK;
1471
1472         *pp_member_rids = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_uids);
1473
1474         for (i=0; i<num_uids; i++) {
1475                 DOM_SID sid;
1476
1477                 uid_to_sid(&sid, uids[i]);
1478
1479                 if (!sid_check_is_in_our_domain(&sid)) {
1480                         DEBUG(5, ("Inconsistent SAM -- group member uid not "
1481                                   "in our domain\n"));
1482                         continue;
1483                 }
1484
1485                 sid_peek_rid(&sid, &(*pp_member_rids)[*p_num_members]);
1486                 *p_num_members += 1;
1487         }
1488
1489         return NT_STATUS_OK;
1490 }
1491
1492 NTSTATUS pdb_default_enum_group_memberships(struct pdb_methods *methods,
1493                                             TALLOC_CTX *mem_ctx,
1494                                             struct samu *user,
1495                                             DOM_SID **pp_sids,
1496                                             gid_t **pp_gids,
1497                                             size_t *p_num_groups)
1498 {
1499         size_t i;
1500         gid_t gid;
1501         struct passwd *pw;
1502         const char *username = pdb_get_username(user);
1503
1504
1505 #if 0
1506         /* Ignore the primary group SID.  Honor the real Unix primary group.
1507            The primary group SID is only of real use to Windows clients */
1508
1509         if (!sid_to_gid(pdb_get_group_sid(user), &gid)) {
1510                 DEBUG(10, ("sid_to_gid failed\n"));
1511                 return NT_STATUS_NO_SUCH_USER;
1512         }
1513 #else
1514         if ( !(pw = getpwnam_alloc(mem_ctx, username)) ) {
1515                 return NT_STATUS_NO_SUCH_USER;
1516         }
1517
1518         gid = pw->pw_gid;
1519
1520         TALLOC_FREE( pw );
1521 #endif
1522
1523         if (!getgroups_unix_user(mem_ctx, username, gid, pp_gids, p_num_groups)) {
1524                 return NT_STATUS_NO_SUCH_USER;
1525         }
1526
1527         if (*p_num_groups == 0) {
1528                 smb_panic("primary group missing");
1529         }
1530
1531         *pp_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, *p_num_groups);
1532
1533         if (*pp_sids == NULL) {
1534                 TALLOC_FREE(*pp_gids);
1535                 return NT_STATUS_NO_MEMORY;
1536         }
1537
1538         for (i=0; i<*p_num_groups; i++) {
1539                 gid_to_sid(&(*pp_sids)[i], (*pp_gids)[i]);
1540         }
1541
1542         return NT_STATUS_OK;
1543 }
1544
1545 /*******************************************************************
1546  Look up a rid in the SAM we're responsible for (i.e. passdb)
1547  ********************************************************************/
1548
1549 static BOOL lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32 rid,
1550                                   const char **name,
1551                                   enum SID_NAME_USE *psid_name_use,
1552                                   union unid_t *unix_id)
1553 {
1554         struct samu *sam_account = NULL;
1555         GROUP_MAP map;
1556         BOOL ret;
1557         DOM_SID sid;
1558
1559         *psid_name_use = SID_NAME_UNKNOWN;
1560
1561         DEBUG(5,("lookup_global_sam_rid: looking up RID %u.\n",
1562                  (unsigned int)rid));
1563
1564         sid_copy(&sid, get_global_sam_sid());
1565         sid_append_rid(&sid, rid);
1566
1567         /* see if the passdb can help us with the name of the user */
1568         if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) {
1569                 return False;
1570         }
1571
1572         /* BEING ROOT BLLOCK */
1573         become_root();
1574         if (pdb_getsampwsid(sam_account, &sid)) {
1575                 struct passwd *pw;
1576
1577                 unbecome_root();                /* -----> EXIT BECOME_ROOT() */
1578                 *name = talloc_strdup(mem_ctx, pdb_get_username(sam_account));
1579                 *psid_name_use = SID_NAME_USER;
1580
1581                 TALLOC_FREE(sam_account);
1582
1583                 if (unix_id == NULL) {
1584                         return True;
1585                 }
1586
1587                 pw = Get_Pwnam(*name);
1588                 if (pw == NULL) {
1589                         return False;
1590                 }
1591                 unix_id->uid = pw->pw_uid;
1592                 return True;
1593         }
1594         TALLOC_FREE(sam_account);
1595
1596         ret = pdb_getgrsid(&map, sid);
1597         unbecome_root();
1598         /* END BECOME_ROOT BLOCK */
1599
1600         /* do not resolve SIDs to a name unless there is a valid
1601            gid associated with it */
1602
1603         if ( ret && (map.gid != (gid_t)-1) ) {
1604                 *name = talloc_strdup(mem_ctx, map.nt_name);
1605                 *psid_name_use = map.sid_name_use;
1606
1607                 if ( unix_id ) {
1608                         unix_id->gid = map.gid;
1609                 }
1610
1611                 return True;
1612         }
1613
1614         /* Windows will always map RID 513 to something.  On a non-domain
1615            controller, this gets mapped to SERVER\None. */
1616
1617         if ( unix_id ) {
1618                 DEBUG(5, ("Can't find a unix id for an unmapped group\n"));
1619                 return False;
1620         }
1621
1622         if ( rid == DOMAIN_GROUP_RID_USERS ) {
1623                 *name = talloc_strdup(mem_ctx, "None" );
1624                 *psid_name_use = IS_DC ? SID_NAME_DOM_GRP : SID_NAME_ALIAS;
1625
1626                 return True;
1627         }
1628
1629         return False;
1630 }
1631
1632 NTSTATUS pdb_default_lookup_rids(struct pdb_methods *methods,
1633                                  const DOM_SID *domain_sid,
1634                                  int num_rids,
1635                                  uint32 *rids,
1636                                  const char **names,
1637                                  uint32 *attrs)
1638 {
1639         int i;
1640         NTSTATUS result;
1641         BOOL have_mapped = False;
1642         BOOL have_unmapped = False;
1643
1644         if (sid_check_is_builtin(domain_sid)) {
1645
1646                 for (i=0; i<num_rids; i++) {
1647                         const char *name;
1648
1649                         if (lookup_builtin_rid(names, rids[i], &name)) {
1650                                 attrs[i] = SID_NAME_ALIAS;
1651                                 names[i] = name;
1652                                 DEBUG(5,("lookup_rids: %s:%d\n",
1653                                          names[i], attrs[i]));
1654                                 have_mapped = True;
1655                         } else {
1656                                 have_unmapped = True;
1657                                 attrs[i] = SID_NAME_UNKNOWN;
1658                         }
1659                 }
1660                 goto done;
1661         }
1662
1663         /* Should not happen, but better check once too many */
1664         if (!sid_check_is_domain(domain_sid)) {
1665                 return NT_STATUS_INVALID_HANDLE;
1666         }
1667
1668         for (i = 0; i < num_rids; i++) {
1669                 const char *name;
1670
1671                 if (lookup_global_sam_rid(names, rids[i], &name, &attrs[i],
1672                                           NULL)) {
1673                         names[i] = name;
1674                         DEBUG(5,("lookup_rids: %s:%d\n", names[i], attrs[i]));
1675                         have_mapped = True;
1676                 } else {
1677                         have_unmapped = True;
1678                         attrs[i] = SID_NAME_UNKNOWN;
1679                 }
1680         }
1681
1682  done:
1683
1684         result = NT_STATUS_NONE_MAPPED;
1685
1686         if (have_mapped)
1687                 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1688
1689         return result;
1690 }
1691
1692 NTSTATUS pdb_default_lookup_names(struct pdb_methods *methods,
1693                                   const DOM_SID *domain_sid,
1694                                   int num_names,
1695                                   const char **names,
1696                                   uint32 *rids,
1697                                   uint32 *attrs)
1698 {
1699         int i;
1700         NTSTATUS result;
1701         BOOL have_mapped = False;
1702         BOOL have_unmapped = False;
1703
1704         if (sid_check_is_builtin(domain_sid)) {
1705
1706                 for (i=0; i<num_names; i++) {
1707                         uint32 rid;
1708
1709                         if (lookup_builtin_name(names[i], &rid)) {
1710                                 attrs[i] = SID_NAME_ALIAS;
1711                                 rids[i] = rid;
1712                                 DEBUG(5,("lookup_rids: %s:%d\n",
1713                                          names[i], attrs[i]));
1714                                 have_mapped = True;
1715                         } else {
1716                                 have_unmapped = True;
1717                                 attrs[i] = SID_NAME_UNKNOWN;
1718                         }
1719                 }
1720                 goto done;
1721         }
1722
1723         /* Should not happen, but better check once too many */
1724         if (!sid_check_is_domain(domain_sid)) {
1725                 return NT_STATUS_INVALID_HANDLE;
1726         }
1727
1728         for (i = 0; i < num_names; i++) {
1729                 if (lookup_global_sam_name(names[i], 0, &rids[i], &attrs[i])) {
1730                         DEBUG(5,("lookup_names: %s-> %d:%d\n", names[i],
1731                                  rids[i], attrs[i]));
1732                         have_mapped = True;
1733                 } else {
1734                         have_unmapped = True;
1735                         attrs[i] = SID_NAME_UNKNOWN;
1736                 }
1737         }
1738
1739  done:
1740
1741         result = NT_STATUS_NONE_MAPPED;
1742
1743         if (have_mapped)
1744                 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1745
1746         return result;
1747 }
1748
1749 static struct pdb_search *pdb_search_init(enum pdb_search_type type)
1750 {
1751         TALLOC_CTX *mem_ctx;
1752         struct pdb_search *result;
1753
1754         mem_ctx = talloc_init("pdb_search");
1755         if (mem_ctx == NULL) {
1756                 DEBUG(0, ("talloc_init failed\n"));
1757                 return NULL;
1758         }
1759
1760         result = TALLOC_P(mem_ctx, struct pdb_search);
1761         if (result == NULL) {
1762                 DEBUG(0, ("talloc failed\n"));
1763                 return NULL;
1764         }
1765
1766         result->mem_ctx = mem_ctx;
1767         result->type = type;
1768         result->cache = NULL;
1769         result->num_entries = 0;
1770         result->cache_size = 0;
1771         result->search_ended = False;
1772
1773         /* Segfault appropriately if not initialized */
1774         result->next_entry = NULL;
1775         result->search_end = NULL;
1776
1777         return result;
1778 }
1779
1780 static void fill_displayentry(TALLOC_CTX *mem_ctx, uint32 rid,
1781                               uint16 acct_flags,
1782                               const char *account_name,
1783                               const char *fullname,
1784                               const char *description,
1785                               struct samr_displayentry *entry)
1786 {
1787         entry->rid = rid;
1788         entry->acct_flags = acct_flags;
1789
1790         if (account_name != NULL)
1791                 entry->account_name = talloc_strdup(mem_ctx, account_name);
1792         else
1793                 entry->account_name = "";
1794
1795         if (fullname != NULL)
1796                 entry->fullname = talloc_strdup(mem_ctx, fullname);
1797         else
1798                 entry->fullname = "";
1799
1800         if (description != NULL)
1801                 entry->description = talloc_strdup(mem_ctx, description);
1802         else
1803                 entry->description = "";
1804 }
1805
1806 static BOOL user_search_in_progress = False;
1807 struct user_search {
1808         uint16 acct_flags;
1809 };
1810
1811 static BOOL next_entry_users(struct pdb_search *s,
1812                              struct samr_displayentry *entry)
1813 {
1814         struct user_search *state = s->private_data;
1815         struct samu *user = NULL;
1816         NTSTATUS status;
1817
1818  next:
1819         status = pdb_init_sam(&user);
1820         if (!NT_STATUS_IS_OK(status)) {
1821                 DEBUG(0, ("Could not pdb_init_sam\n"));
1822                 return False;
1823         }
1824
1825         if (!pdb_getsampwent(user)) {
1826                 TALLOC_FREE(user);
1827                 return False;
1828         }
1829
1830         if ((state->acct_flags != 0) &&
1831             ((pdb_get_acct_ctrl(user) & state->acct_flags) == 0)) {
1832                 TALLOC_FREE(user);
1833                 goto next;
1834         }
1835
1836         fill_displayentry(s->mem_ctx, pdb_get_user_rid(user),
1837                           pdb_get_acct_ctrl(user), pdb_get_username(user),
1838                           pdb_get_fullname(user), pdb_get_acct_desc(user),
1839                           entry);
1840
1841         TALLOC_FREE(user);
1842         return True;
1843 }
1844
1845 static void search_end_users(struct pdb_search *search)
1846 {
1847         pdb_endsampwent();
1848         user_search_in_progress = False;
1849 }
1850
1851 static BOOL pdb_default_search_users(struct pdb_methods *methods,
1852                                      struct pdb_search *search,
1853                                      uint16 acct_flags)
1854 {
1855         struct user_search *state;
1856
1857         if (user_search_in_progress) {
1858                 DEBUG(1, ("user search in progress\n"));
1859                 return False;
1860         }
1861
1862         if (!pdb_setsampwent(False, acct_flags)) {
1863                 DEBUG(5, ("Could not start search\n"));
1864                 return False;
1865         }
1866
1867         user_search_in_progress = True;
1868
1869         state = TALLOC_P(search->mem_ctx, struct user_search);
1870         if (state == NULL) {
1871                 DEBUG(0, ("talloc failed\n"));
1872                 return False;
1873         }
1874
1875         state->acct_flags = acct_flags;
1876
1877         search->private_data = state;
1878         search->next_entry = next_entry_users;
1879         search->search_end = search_end_users;
1880         return True;
1881 }
1882
1883 struct group_search {
1884         GROUP_MAP *groups;
1885         size_t num_groups, current_group;
1886 };
1887
1888 static BOOL next_entry_groups(struct pdb_search *s,
1889                               struct samr_displayentry *entry)
1890 {
1891         struct group_search *state = s->private_data;
1892         uint32 rid;
1893         GROUP_MAP *map = &state->groups[state->current_group];
1894
1895         if (state->current_group == state->num_groups)
1896                 return False;
1897
1898         sid_peek_rid(&map->sid, &rid);
1899
1900         fill_displayentry(s->mem_ctx, rid, 0, map->nt_name, NULL, map->comment,
1901                           entry);
1902
1903         state->current_group += 1;
1904         return True;
1905 }
1906
1907 static void search_end_groups(struct pdb_search *search)
1908 {
1909         struct group_search *state = search->private_data;
1910         SAFE_FREE(state->groups);
1911 }
1912
1913 static BOOL pdb_search_grouptype(struct pdb_search *search,
1914                                  enum SID_NAME_USE type)
1915 {
1916         struct group_search *state;
1917
1918         state = TALLOC_P(search->mem_ctx, struct group_search);
1919         if (state == NULL) {
1920                 DEBUG(0, ("talloc failed\n"));
1921                 return False;
1922         }
1923
1924         if (!pdb_enum_group_mapping(type, &state->groups, &state->num_groups,
1925                                     True)) {
1926                 DEBUG(0, ("Could not enum groups\n"));
1927                 return False;
1928         }
1929
1930         state->current_group = 0;
1931         search->private_data = state;
1932         search->next_entry = next_entry_groups;
1933         search->search_end = search_end_groups;
1934         return True;
1935 }
1936
1937 static BOOL pdb_default_search_groups(struct pdb_methods *methods,
1938                                       struct pdb_search *search)
1939 {
1940         return pdb_search_grouptype(search, SID_NAME_DOM_GRP);
1941 }
1942
1943 static BOOL pdb_default_search_aliases(struct pdb_methods *methods,
1944                                        struct pdb_search *search,
1945                                        const DOM_SID *sid)
1946 {
1947
1948         if (sid_equal(sid, get_global_sam_sid()))
1949                 return pdb_search_grouptype(search, SID_NAME_ALIAS);
1950
1951         if (sid_equal(sid, &global_sid_Builtin))
1952                 return pdb_search_grouptype(search, SID_NAME_WKN_GRP);
1953
1954         DEBUG(3, ("unknown domain sid: %s\n", sid_string_static(sid)));
1955         return False;
1956 }
1957
1958 static struct samr_displayentry *pdb_search_getentry(struct pdb_search *search,
1959                                                      uint32 idx)
1960 {
1961         if (idx < search->num_entries)
1962                 return &search->cache[idx];
1963
1964         if (search->search_ended)
1965                 return NULL;
1966
1967         while (idx >= search->num_entries) {
1968                 struct samr_displayentry entry;
1969
1970                 if (!search->next_entry(search, &entry)) {
1971                         search->search_end(search);
1972                         search->search_ended = True;
1973                         break;
1974                 }
1975
1976                 ADD_TO_LARGE_ARRAY(search->mem_ctx, struct samr_displayentry,
1977                                    entry, &search->cache, &search->num_entries,
1978                                    &search->cache_size);
1979         }
1980
1981         return (search->num_entries > idx) ? &search->cache[idx] : NULL;
1982 }
1983
1984 struct pdb_search *pdb_search_users(uint16 acct_flags)
1985 {
1986         struct pdb_methods *pdb = pdb_get_methods(False);
1987         struct pdb_search *result;
1988
1989         if (pdb == NULL) return NULL;
1990
1991         result = pdb_search_init(PDB_USER_SEARCH);
1992         if (result == NULL) return NULL;
1993
1994         if (!pdb->search_users(pdb, result, acct_flags)) {
1995                 talloc_destroy(result->mem_ctx);
1996                 return NULL;
1997         }
1998         return result;
1999 }
2000
2001 struct pdb_search *pdb_search_groups(void)
2002 {
2003         struct pdb_methods *pdb = pdb_get_methods(False);
2004         struct pdb_search *result;
2005
2006         if (pdb == NULL) return NULL;
2007
2008         result = pdb_search_init(PDB_GROUP_SEARCH);
2009         if (result == NULL) return NULL;
2010
2011         if (!pdb->search_groups(pdb, result)) {
2012                 talloc_destroy(result->mem_ctx);
2013                 return NULL;
2014         }
2015         return result;
2016 }
2017
2018 struct pdb_search *pdb_search_aliases(const DOM_SID *sid)
2019 {
2020         struct pdb_methods *pdb = pdb_get_methods(False);
2021         struct pdb_search *result;
2022
2023         if (pdb == NULL) return NULL;
2024
2025         result = pdb_search_init(PDB_ALIAS_SEARCH);
2026         if (result == NULL) return NULL;
2027
2028         if (!pdb->search_aliases(pdb, result, sid)) {
2029                 talloc_destroy(result->mem_ctx);
2030                 return NULL;
2031         }
2032         return result;
2033 }
2034
2035 uint32 pdb_search_entries(struct pdb_search *search,
2036                           uint32 start_idx, uint32 max_entries,
2037                           struct samr_displayentry **result)
2038 {
2039         struct samr_displayentry *end_entry;
2040         uint32 end_idx = start_idx+max_entries-1;
2041
2042         /* The first entry needs to be searched after the last. Otherwise the
2043          * first entry might have moved due to a realloc during the search for
2044          * the last entry. */
2045
2046         end_entry = pdb_search_getentry(search, end_idx);
2047         *result = pdb_search_getentry(search, start_idx);
2048
2049         if (end_entry != NULL)
2050                 return max_entries;
2051
2052         if (start_idx >= search->num_entries)
2053                 return 0;
2054
2055         return search->num_entries - start_idx;
2056 }
2057
2058 void pdb_search_destroy(struct pdb_search *search)
2059 {
2060         if (search == NULL)
2061                 return;
2062
2063         if (!search->search_ended)
2064                 search->search_end(search);
2065
2066         talloc_destroy(search->mem_ctx);
2067 }
2068
2069 /*******************************************************************
2070  Create a pdb_methods structure and initialize it with the default
2071  operations.  In this way a passdb module can simply implement
2072  the functionality it cares about.  However, normally this is done
2073  in groups of related functions.
2074 *******************************************************************/
2075
2076 NTSTATUS make_pdb_method( struct pdb_methods **methods )
2077 {
2078         /* allocate memory for the structure as its own talloc CTX */
2079
2080         if ( !(*methods = TALLOC_ZERO_P(NULL, struct pdb_methods) ) ) {
2081                 return NT_STATUS_NO_MEMORY;
2082         }
2083
2084         (*methods)->setsampwent = pdb_default_setsampwent;
2085         (*methods)->endsampwent = pdb_default_endsampwent;
2086         (*methods)->getsampwent = pdb_default_getsampwent;
2087         (*methods)->getsampwnam = pdb_default_getsampwnam;
2088         (*methods)->getsampwsid = pdb_default_getsampwsid;
2089         (*methods)->create_user = pdb_default_create_user;
2090         (*methods)->delete_user = pdb_default_delete_user;
2091         (*methods)->add_sam_account = pdb_default_add_sam_account;
2092         (*methods)->update_sam_account = pdb_default_update_sam_account;
2093         (*methods)->delete_sam_account = pdb_default_delete_sam_account;
2094         (*methods)->rename_sam_account = pdb_default_rename_sam_account;
2095         (*methods)->update_login_attempts = pdb_default_update_login_attempts;
2096
2097         (*methods)->getgrsid = pdb_default_getgrsid;
2098         (*methods)->getgrgid = pdb_default_getgrgid;
2099         (*methods)->getgrnam = pdb_default_getgrnam;
2100         (*methods)->create_dom_group = pdb_default_create_dom_group;
2101         (*methods)->delete_dom_group = pdb_default_delete_dom_group;
2102         (*methods)->add_group_mapping_entry = pdb_default_add_group_mapping_entry;
2103         (*methods)->update_group_mapping_entry = pdb_default_update_group_mapping_entry;
2104         (*methods)->delete_group_mapping_entry = pdb_default_delete_group_mapping_entry;
2105         (*methods)->enum_group_mapping = pdb_default_enum_group_mapping;
2106         (*methods)->enum_group_members = pdb_default_enum_group_members;
2107         (*methods)->enum_group_memberships = pdb_default_enum_group_memberships;
2108         (*methods)->set_unix_primary_group = pdb_default_set_unix_primary_group;
2109         (*methods)->add_groupmem = pdb_default_add_groupmem;
2110         (*methods)->del_groupmem = pdb_default_del_groupmem;
2111         (*methods)->find_alias = pdb_default_find_alias;
2112         (*methods)->create_alias = pdb_default_create_alias;
2113         (*methods)->delete_alias = pdb_default_delete_alias;
2114         (*methods)->get_aliasinfo = pdb_default_get_aliasinfo;
2115         (*methods)->set_aliasinfo = pdb_default_set_aliasinfo;
2116         (*methods)->add_aliasmem = pdb_default_add_aliasmem;
2117         (*methods)->del_aliasmem = pdb_default_del_aliasmem;
2118         (*methods)->enum_aliasmem = pdb_default_enum_aliasmem;
2119         (*methods)->enum_alias_memberships = pdb_default_alias_memberships;
2120         (*methods)->lookup_rids = pdb_default_lookup_rids;
2121         (*methods)->get_account_policy = pdb_default_get_account_policy;
2122         (*methods)->set_account_policy = pdb_default_set_account_policy;
2123         (*methods)->get_seq_num = pdb_default_get_seq_num;
2124         (*methods)->uid_to_rid = pdb_default_uid_to_rid;
2125         (*methods)->gid_to_sid = pdb_default_gid_to_sid;
2126         (*methods)->sid_to_id = pdb_default_sid_to_id;
2127
2128         (*methods)->search_users = pdb_default_search_users;
2129         (*methods)->search_groups = pdb_default_search_groups;
2130         (*methods)->search_aliases = pdb_default_search_aliases;
2131
2132         return NT_STATUS_OK;
2133 }