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_reload( 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 static struct pdb_methods *pdb_get_methods(void)
 217 {
 218         return pdb_get_methods_reload(False);
 219 }
 220
 221 /******************************************************************
 222  Backward compatibility functions for the original passdb interface
 223 *******************************************************************/
 224
 225 BOOL pdb_setsampwent(BOOL update, uint16 acb_mask)
 226 {
 227         struct pdb_methods *pdb = pdb_get_methods();
 228
 229         if ( !pdb ) {
 230                 return False;
 231         }
 232
 233         return NT_STATUS_IS_OK(pdb->setsampwent(pdb, update, acb_mask));
 234 }
 235
 236 void pdb_endsampwent(void)
 237 {
 238         struct pdb_methods *pdb = pdb_get_methods();
 239
 240         if ( !pdb ) {
 241                 return;
 242         }
 243
 244         pdb->endsampwent(pdb);
 245 }
 246
 247 BOOL pdb_getsampwent(struct samu *user)
 248 {
 249         struct pdb_methods *pdb = pdb_get_methods();
 250
 251         if ( !pdb ) {
 252                 return False;
 253         }
 254
 255         if ( !NT_STATUS_IS_OK(pdb->getsampwent(pdb, user) ) ) {
 256                 return False;
 257         }
 258
 259         pdb_force_pw_initialization( user );
 260
 261         return True;
 262 }
 263
 264 BOOL pdb_getsampwnam(struct samu *sam_acct, const char *username)
 265 {
 266         struct pdb_methods *pdb = pdb_get_methods();
 267
 268         if ( !pdb ) {
 269                 return False;
 270         }
 271
 272         if (!NT_STATUS_IS_OK(pdb->getsampwnam(pdb, sam_acct, username))) {
 273                 return False;
 274         }
 275
 276         if (csamuser != NULL) {
 277                 TALLOC_FREE(csamuser);
 278                 csamuser = NULL;
 279         }
 280
 281         pdb_force_pw_initialization( sam_acct );
 282
 283         if ( (csamuser = samu_new( NULL )) != NULL )
 284                 pdb_copy_sam_account(csamuser, sam_acct);
 285
 286         return True;
 287 }
 288
 289 /**********************************************************************
 290 **********************************************************************/
 291
 292 BOOL guest_user_info( struct samu *user )
 293 {
 294         struct passwd *pwd;
 295         NTSTATUS result;
 296         const char *guestname = lp_guestaccount();
 297
 298         if ( !(pwd = getpwnam_alloc( NULL, guestname ) ) ) {
 299                 DEBUG(0,("guest_user_info: Unable to locate guest account [%s]!\n",
 300                         guestname));
 301                 return False;
 302         }
 303
 304         result = samu_set_unix(user, pwd );
 305
 306         TALLOC_FREE( pwd );
 307
 308         return NT_STATUS_IS_OK( result );
 309 }
 310
 311 /**********************************************************************
 312 **********************************************************************/
 313
 314 BOOL pdb_getsampwsid(struct samu *sam_acct, const DOM_SID *sid)
 315 {
 316         struct pdb_methods *pdb;
 317         uint32 rid;
 318
 319         if ( !(pdb = pdb_get_methods()) ) {
 320                 return False;
 321         }
 322
 323         /* hard code the Guest RID of 501 */
 324
 325         if ( !sid_peek_check_rid( get_global_sam_sid(), sid, &rid ) )
 326                 return False;
 327
 328         if ( rid == DOMAIN_USER_RID_GUEST ) {
 329                 DEBUG(6,("pdb_getsampwsid: Building guest account\n"));
 330                 return guest_user_info( sam_acct );
 331         }
 332
 333         /* check the cache first */
 334
 335         if ( csamuser && sid_equal(sid, pdb_get_user_sid(csamuser) ) )
 336                 return pdb_copy_sam_account(sam_acct, csamuser);
 337
 338         return NT_STATUS_IS_OK(pdb->getsampwsid(pdb, sam_acct, sid));
 339 }
 340
 341 static NTSTATUS pdb_default_create_user(struct pdb_methods *methods,
 342                                         TALLOC_CTX *tmp_ctx, const char *name,
 343                                         uint32 acb_info, uint32 *rid)
 344 {
 345         struct samu *sam_pass;
 346         NTSTATUS status;
 347         struct passwd *pwd;
 348
 349         if ((sam_pass = samu_new(tmp_ctx)) == NULL) {
 350                 return NT_STATUS_NO_MEMORY;
 351         }
 352
 353         if ( !(pwd = Get_Pwnam_alloc(tmp_ctx, name)) ) {
 354                 pstring add_script;
 355                 int add_ret;
 356
 357                 if ((acb_info & ACB_NORMAL) && name[strlen(name)-1] != '$') {
 358                         pstrcpy(add_script, lp_adduser_script());
 359                 } else {
 360                         pstrcpy(add_script, lp_addmachine_script());
 361                 }
 362
 363                 if (add_script[0] == '\0') {
 364                         DEBUG(3, ("Could not find user %s and no add script "
 365                                   "defined\n", name));
 366                         return NT_STATUS_NO_SUCH_USER;
 367                 }
 368
 369                 all_string_sub(add_script, "%u", name, sizeof(add_script));
 370                 add_ret = smbrun(add_script,NULL);
 371                 DEBUG(add_ret ? 0 : 3, ("_samr_create_user: Running the command `%s' gave %d\n",
 372                                         add_script, add_ret));
 373                 flush_pwnam_cache();
 374
 375                 pwd = Get_Pwnam_alloc(tmp_ctx, name);
 376         }
 377
 378         /* we have a valid SID coming out of this call */
 379
 380         status = samu_alloc_rid_unix( sam_pass, pwd );
 381
 382         TALLOC_FREE( pwd );
 383
 384         if (!NT_STATUS_IS_OK(status)) {
 385                 DEBUG(3, ("pdb_default_create_user: failed to create a new user structure: %s\n", nt_errstr(status)));
 386                 return status;
 387         }
 388
 389         if (!sid_peek_check_rid(get_global_sam_sid(),
 390                                 pdb_get_user_sid(sam_pass), rid)) {
 391                 DEBUG(0, ("Could not get RID of fresh user\n"));
 392                 return NT_STATUS_INTERNAL_ERROR;
 393         }
 394
 395         /* Disable the account on creation, it does not have a reasonable password yet. */
 396
 397         acb_info |= ACB_DISABLED;
 398
 399         pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
 400
 401         status = pdb_add_sam_account(sam_pass);
 402
 403         TALLOC_FREE(sam_pass);
 404
 405         return status;
 406 }
 407
 408 NTSTATUS pdb_create_user(TALLOC_CTX *mem_ctx, const char *name, uint32 flags,
 409                          uint32 *rid)
 410 {
 411         struct pdb_methods *pdb = pdb_get_methods();
 412
 413         if ( !pdb ) {
 414                 return NT_STATUS_UNSUCCESSFUL;
 415         }
 416
 417         return pdb->create_user(pdb, mem_ctx, name, flags, rid);
 418 }
 419
 420 /****************************************************************************
 421  Delete a UNIX user on demand.
 422 ****************************************************************************/
 423
 424 static int smb_delete_user(const char *unix_user)
 425 {
 426         pstring del_script;
 427         int ret;
 428
 429         pstrcpy(del_script, lp_deluser_script());
 430         if (! *del_script)
 431                 return -1;
 432         all_string_sub(del_script, "%u", unix_user, sizeof(del_script));
 433         ret = smbrun(del_script,NULL);
 434         flush_pwnam_cache();
 435         DEBUG(ret ? 0 : 3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
 436
 437         return ret;
 438 }
 439
 440 static NTSTATUS pdb_default_delete_user(struct pdb_methods *methods,
 441                                         TALLOC_CTX *mem_ctx,
 442                                         struct samu *sam_acct)
 443 {
 444         NTSTATUS status;
 445
 446         status = pdb_delete_sam_account(sam_acct);
 447         if (!NT_STATUS_IS_OK(status)) {
 448                 return status;
 449         }
 450
 451         /*
 452          * Now delete the unix side ....
 453          * note: we don't check if the delete really happened as the script is
 454          * not necessary present and maybe the sysadmin doesn't want to delete
 455          * the unix side
 456          */
 457         smb_delete_user( pdb_get_username(sam_acct) );
 458
 459         return status;
 460 }
 461
 462 NTSTATUS pdb_delete_user(TALLOC_CTX *mem_ctx, struct samu *sam_acct)
 463 {
 464         struct pdb_methods *pdb = pdb_get_methods();
 465
 466         if ( !pdb ) {
 467                 return NT_STATUS_UNSUCCESSFUL;
 468         }
 469
 470         return pdb->delete_user(pdb, mem_ctx, sam_acct);
 471 }
 472
 473 NTSTATUS pdb_add_sam_account(struct samu *sam_acct)
 474 {
 475         struct pdb_methods *pdb = pdb_get_methods();
 476
 477         if ( !pdb ) {
 478                 return NT_STATUS_UNSUCCESSFUL;
 479         }
 480
 481         return pdb->add_sam_account(pdb, sam_acct);
 482 }
 483
 484 NTSTATUS pdb_update_sam_account(struct samu *sam_acct)
 485 {
 486         struct pdb_methods *pdb = pdb_get_methods();
 487
 488         if ( !pdb ) {
 489                 return NT_STATUS_UNSUCCESSFUL;
 490         }
 491
 492         if (csamuser != NULL) {
 493                 TALLOC_FREE(csamuser);
 494                 csamuser = NULL;
 495         }
 496
 497         return pdb->update_sam_account(pdb, sam_acct);
 498 }
 499
 500 NTSTATUS pdb_delete_sam_account(struct samu *sam_acct)
 501 {
 502         struct pdb_methods *pdb = pdb_get_methods();
 503
 504         if ( !pdb ) {
 505                 return NT_STATUS_UNSUCCESSFUL;
 506         }
 507
 508         if (csamuser != NULL) {
 509                 TALLOC_FREE(csamuser);
 510                 csamuser = NULL;
 511         }
 512
 513         return pdb->delete_sam_account(pdb, sam_acct);
 514 }
 515
 516 NTSTATUS pdb_rename_sam_account(struct samu *oldname, const char *newname)
 517 {
 518         struct pdb_methods *pdb = pdb_get_methods();
 519
 520         if ( !pdb ) {
 521                 return NT_STATUS_NOT_IMPLEMENTED;
 522         }
 523
 524         if (csamuser != NULL) {
 525                 TALLOC_FREE(csamuser);
 526                 csamuser = NULL;
 527         }
 528
 529         return pdb->rename_sam_account(pdb, oldname, newname);
 530 }
 531
 532 NTSTATUS pdb_update_login_attempts(struct samu *sam_acct, BOOL success)
 533 {
 534         struct pdb_methods *pdb = pdb_get_methods();
 535
 536         if ( !pdb ) {
 537                 return NT_STATUS_NOT_IMPLEMENTED;
 538         }
 539
 540         return pdb->update_login_attempts(pdb, sam_acct, success);
 541 }
 542
 543 BOOL pdb_getgrsid(GROUP_MAP *map, DOM_SID sid)
 544 {
 545         struct pdb_methods *pdb = pdb_get_methods();
 546
 547         if ( !pdb ) {
 548                 return False;
 549         }
 550
 551         return NT_STATUS_IS_OK(pdb->getgrsid(pdb, map, sid));
 552 }
 553
 554 BOOL pdb_getgrgid(GROUP_MAP *map, gid_t gid)
 555 {
 556         struct pdb_methods *pdb = pdb_get_methods();
 557
 558         if ( !pdb ) {
 559                 return False;
 560         }
 561
 562         return NT_STATUS_IS_OK(pdb->getgrgid(pdb, map, gid));
 563 }
 564
 565 BOOL pdb_getgrnam(GROUP_MAP *map, const char *name)
 566 {
 567         struct pdb_methods *pdb = pdb_get_methods();
 568
 569         if ( !pdb ) {
 570                 return False;
 571         }
 572
 573         return NT_STATUS_IS_OK(pdb->getgrnam(pdb, map, name));
 574 }
 575
 576 static NTSTATUS pdb_default_create_dom_group(struct pdb_methods *methods,
 577                                              TALLOC_CTX *mem_ctx,
 578                                              const char *name,
 579                                              uint32 *rid)
 580 {
 581         DOM_SID group_sid;
 582         struct group *grp;
 583
 584         grp = getgrnam(name);
 585
 586         if (grp == NULL) {
 587                 gid_t gid;
 588
 589                 if (smb_create_group(name, &gid) != 0) {
 590                         return NT_STATUS_ACCESS_DENIED;
 591                 }
 592
 593                 grp = getgrgid(gid);
 594         }
 595
 596         if (grp == NULL) {
 597                 return NT_STATUS_ACCESS_DENIED;
 598         }
 599
 600         if (pdb_rid_algorithm()) {
 601                 *rid = pdb_gid_to_group_rid( grp->gr_gid );
 602         } else {
 603                 if (!pdb_new_rid(rid)) {
 604                         return NT_STATUS_ACCESS_DENIED;
 605                 }
 606         }
 607
 608         sid_compose(&group_sid, get_global_sam_sid(), *rid);
 609
 610         return add_initial_entry(grp->gr_gid, sid_string_static(&group_sid),
 611                                  SID_NAME_DOM_GRP, name, NULL);
 612 }
 613
 614 NTSTATUS pdb_create_dom_group(TALLOC_CTX *mem_ctx, const char *name,
 615                               uint32 *rid)
 616 {
 617         struct pdb_methods *pdb = pdb_get_methods();
 618
 619         if ( !pdb ) {
 620                 return NT_STATUS_UNSUCCESSFUL;
 621         }
 622
 623         return pdb->create_dom_group(pdb, mem_ctx, name, rid);
 624 }
 625
 626 static NTSTATUS pdb_default_delete_dom_group(struct pdb_methods *methods,
 627                                              TALLOC_CTX *mem_ctx,
 628                                              uint32 rid)
 629 {
 630         DOM_SID group_sid;
 631         GROUP_MAP map;
 632         NTSTATUS status;
 633         struct group *grp;
 634         const char *grp_name;
 635
 636         sid_compose(&group_sid, get_global_sam_sid(), rid);
 637
 638         if (!get_domain_group_from_sid(group_sid, &map)) {
 639                 DEBUG(10, ("Could not find group for rid %d\n", rid));
 640                 return NT_STATUS_NO_SUCH_GROUP;
 641         }
 642
 643         /* We need the group name for the smb_delete_group later on */
 644
 645         if (map.gid == (gid_t)-1) {
 646                 return NT_STATUS_NO_SUCH_GROUP;
 647         }
 648
 649         grp = getgrgid(map.gid);
 650         if (grp == NULL) {
 651                 return NT_STATUS_NO_SUCH_GROUP;
 652         }
 653
 654         /* Copy the name, no idea what pdb_delete_group_mapping_entry does.. */
 655
 656         grp_name = talloc_strdup(mem_ctx, grp->gr_name);
 657         if (grp_name == NULL) {
 658                 return NT_STATUS_NO_MEMORY;
 659         }
 660
 661         status = pdb_delete_group_mapping_entry(group_sid);
 662
 663         if (!NT_STATUS_IS_OK(status)) {
 664                 return status;
 665         }
 666
 667         /* Don't check the result of smb_delete_group */
 668
 669         smb_delete_group(grp_name);
 670
 671         return NT_STATUS_OK;
 672 }
 673
 674 NTSTATUS pdb_delete_dom_group(TALLOC_CTX *mem_ctx, uint32 rid)
 675 {
 676         struct pdb_methods *pdb = pdb_get_methods();
 677
 678         if ( !pdb ) {
 679                 return NT_STATUS_UNSUCCESSFUL;
 680         }
 681
 682         return pdb->delete_dom_group(pdb, mem_ctx, rid);
 683 }
 684
 685 NTSTATUS pdb_add_group_mapping_entry(GROUP_MAP *map)
 686 {
 687         struct pdb_methods *pdb = pdb_get_methods();
 688
 689         if ( !pdb ) {
 690                 return NT_STATUS_UNSUCCESSFUL;
 691         }
 692
 693         return pdb->add_group_mapping_entry(pdb, map);
 694 }
 695
 696 NTSTATUS pdb_update_group_mapping_entry(GROUP_MAP *map)
 697 {
 698         struct pdb_methods *pdb = pdb_get_methods();
 699
 700         if ( !pdb ) {
 701                 return NT_STATUS_UNSUCCESSFUL;
 702         }
 703
 704         return pdb->update_group_mapping_entry(pdb, map);
 705 }
 706
 707 NTSTATUS pdb_delete_group_mapping_entry(DOM_SID sid)
 708 {
 709         struct pdb_methods *pdb = pdb_get_methods();
 710
 711         if ( !pdb ) {
 712                 return NT_STATUS_UNSUCCESSFUL;
 713         }
 714
 715         return pdb->delete_group_mapping_entry(pdb, sid);
 716 }
 717
 718 BOOL pdb_enum_group_mapping(const DOM_SID *sid, enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap,
 719                             size_t *p_num_entries, BOOL unix_only)
 720 {
 721         struct pdb_methods *pdb = pdb_get_methods();
 722
 723         if ( !pdb ) {
 724                 return False;
 725         }
 726
 727         return NT_STATUS_IS_OK(pdb-> enum_group_mapping(pdb, sid, sid_name_use,
 728                 pp_rmap, p_num_entries, unix_only));
 729 }
 730
 731 NTSTATUS pdb_enum_group_members(TALLOC_CTX *mem_ctx,
 732                                 const DOM_SID *sid,
 733                                 uint32 **pp_member_rids,
 734                                 size_t *p_num_members)
 735 {
 736         struct pdb_methods *pdb = pdb_get_methods();
 737
 738         if ( !pdb ) {
 739                 return NT_STATUS_UNSUCCESSFUL;
 740         }
 741
 742         return pdb->enum_group_members(pdb, mem_ctx, sid,
 743                                                    pp_member_rids, p_num_members);
 744 }
 745
 746 NTSTATUS pdb_enum_group_memberships(TALLOC_CTX *mem_ctx, struct samu *user,
 747                                     DOM_SID **pp_sids, gid_t **pp_gids,
 748                                     size_t *p_num_groups)
 749 {
 750         struct pdb_methods *pdb = pdb_get_methods();
 751
 752         if ( !pdb ) {
 753                 return NT_STATUS_UNSUCCESSFUL;
 754         }
 755
 756         return pdb->enum_group_memberships(
 757                 pdb, mem_ctx, user,
 758                 pp_sids, pp_gids, p_num_groups);
 759 }
 760
 761 static NTSTATUS pdb_default_set_unix_primary_group(struct pdb_methods *methods,
 762                                                    TALLOC_CTX *mem_ctx,
 763                                                    struct samu *sampass)
 764 {
 765         struct group *grp;
 766         gid_t gid;
 767
 768         if (!sid_to_gid(pdb_get_group_sid(sampass), &gid) ||
 769             (grp = getgrgid(gid)) == NULL) {
 770                 return NT_STATUS_INVALID_PRIMARY_GROUP;
 771         }
 772
 773         if (smb_set_primary_group(grp->gr_name,
 774                                   pdb_get_username(sampass)) != 0) {
 775                 return NT_STATUS_ACCESS_DENIED;
 776         }
 777
 778         return NT_STATUS_OK;
 779 }
 780
 781 NTSTATUS pdb_set_unix_primary_group(TALLOC_CTX *mem_ctx, struct samu *user)
 782 {
 783         struct pdb_methods *pdb = pdb_get_methods();
 784
 785         if ( !pdb ) {
 786                 return NT_STATUS_UNSUCCESSFUL;
 787         }
 788
 789         return pdb->set_unix_primary_group(pdb, mem_ctx, user);
 790 }
 791
 792 /*
 793  * Helper function to see whether a user is in a group. We can't use
 794  * user_in_group_sid here because this creates dependencies only smbd can
 795  * fulfil.
 796  */
 797
 798 static BOOL pdb_user_in_group(TALLOC_CTX *mem_ctx, struct samu *account,
 799                               const DOM_SID *group_sid)
 800 {
 801         DOM_SID *sids;
 802         gid_t *gids;
 803         size_t i, num_groups;
 804
 805         if (!NT_STATUS_IS_OK(pdb_enum_group_memberships(mem_ctx, account,
 806                                                         &sids, &gids,
 807                                                         &num_groups))) {
 808                 return False;
 809         }
 810
 811         for (i=0; i<num_groups; i++) {
 812                 if (sid_equal(group_sid, &sids[i])) {
 813                         return True;
 814                 }
 815         }
 816         return False;
 817 }
 818
 819 static NTSTATUS pdb_default_add_groupmem(struct pdb_methods *methods,
 820                                          TALLOC_CTX *mem_ctx,
 821                                          uint32 group_rid,
 822                                          uint32 member_rid)
 823 {
 824         DOM_SID group_sid, member_sid;
 825         struct samu *account = NULL;
 826         GROUP_MAP map;
 827         struct group *grp;
 828         struct passwd *pwd;
 829         const char *group_name;
 830         uid_t uid;
 831
 832         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
 833         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
 834
 835         if (!get_domain_group_from_sid(group_sid, &map) ||
 836             (map.gid == (gid_t)-1) ||
 837             ((grp = getgrgid(map.gid)) == NULL)) {
 838                 return NT_STATUS_NO_SUCH_GROUP;
 839         }
 840
 841         group_name = talloc_strdup(mem_ctx, grp->gr_name);
 842         if (group_name == NULL) {
 843                 return NT_STATUS_NO_MEMORY;
 844         }
 845
 846         if ( !(account = samu_new( NULL )) ) {
 847                 return NT_STATUS_NO_MEMORY;
 848         }
 849
 850         if (!pdb_getsampwsid(account, &member_sid) ||
 851             !sid_to_uid(&member_sid, &uid) ||
 852             ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
 853                 return NT_STATUS_NO_SUCH_USER;
 854         }
 855
 856         if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
 857                 return NT_STATUS_MEMBER_IN_GROUP;
 858         }
 859
 860         /*
 861          * ok, the group exist, the user exist, the user is not in the group,
 862          * we can (finally) add it to the group !
 863          */
 864
 865         smb_add_user_group(group_name, pwd->pw_name);
 866
 867         if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
 868                 return NT_STATUS_ACCESS_DENIED;
 869         }
 870
 871         return NT_STATUS_OK;
 872 }
 873
 874 NTSTATUS pdb_add_groupmem(TALLOC_CTX *mem_ctx, uint32 group_rid,
 875                           uint32 member_rid)
 876 {
 877         struct pdb_methods *pdb = pdb_get_methods();
 878
 879         if ( !pdb ) {
 880                 return NT_STATUS_UNSUCCESSFUL;
 881         }
 882
 883         return pdb->add_groupmem(pdb, mem_ctx, group_rid, member_rid);
 884 }
 885
 886 static NTSTATUS pdb_default_del_groupmem(struct pdb_methods *methods,
 887                                          TALLOC_CTX *mem_ctx,
 888                                          uint32 group_rid,
 889                                          uint32 member_rid)
 890 {
 891         DOM_SID group_sid, member_sid;
 892         struct samu *account = NULL;
 893         GROUP_MAP map;
 894         struct group *grp;
 895         struct passwd *pwd;
 896         const char *group_name;
 897         uid_t uid;
 898
 899         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
 900         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
 901
 902         if (!get_domain_group_from_sid(group_sid, &map) ||
 903             (map.gid == (gid_t)-1) ||
 904             ((grp = getgrgid(map.gid)) == NULL)) {
 905                 return NT_STATUS_NO_SUCH_GROUP;
 906         }
 907
 908         group_name = talloc_strdup(mem_ctx, grp->gr_name);
 909         if (group_name == NULL) {
 910                 return NT_STATUS_NO_MEMORY;
 911         }
 912
 913         if ( !(account = samu_new( NULL )) ) {
 914                 return NT_STATUS_NO_MEMORY;
 915         }
 916
 917         if (!pdb_getsampwsid(account, &member_sid) ||
 918             !sid_to_uid(&member_sid, &uid) ||
 919             ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
 920                 return NT_STATUS_NO_SUCH_USER;
 921         }
 922
 923         if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
 924                 return NT_STATUS_MEMBER_NOT_IN_GROUP;
 925         }
 926
 927         /*
 928          * ok, the group exist, the user exist, the user is in the group,
 929          * we can (finally) delete it from the group!
 930          */
 931
 932         smb_delete_user_group(group_name, pwd->pw_name);
 933
 934         if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
 935                 return NT_STATUS_ACCESS_DENIED;
 936         }
 937
 938         return NT_STATUS_OK;
 939 }
 940
 941 NTSTATUS pdb_del_groupmem(TALLOC_CTX *mem_ctx, uint32 group_rid,
 942                           uint32 member_rid)
 943 {
 944         struct pdb_methods *pdb = pdb_get_methods();
 945
 946         if ( !pdb ) {
 947                 return NT_STATUS_UNSUCCESSFUL;
 948         }
 949
 950         return pdb->del_groupmem(pdb, mem_ctx, group_rid, member_rid);
 951 }
 952
 953 BOOL pdb_find_alias(const char *name, DOM_SID *sid)
 954 {
 955         struct pdb_methods *pdb = pdb_get_methods();
 956
 957         if ( !pdb ) {
 958                 return False;
 959         }
 960
 961         return NT_STATUS_IS_OK(pdb->find_alias(pdb,
 962                                                              name, sid));
 963 }
 964
 965 NTSTATUS pdb_create_alias(const char *name, uint32 *rid)
 966 {
 967         struct pdb_methods *pdb = pdb_get_methods();
 968
 969         if ( !pdb ) {
 970                 return NT_STATUS_NOT_IMPLEMENTED;
 971         }
 972
 973         return pdb->create_alias(pdb, name, rid);
 974 }
 975
 976 BOOL pdb_delete_alias(const DOM_SID *sid)
 977 {
 978         struct pdb_methods *pdb = pdb_get_methods();
 979
 980         if ( !pdb ) {
 981                 return False;
 982         }
 983
 984         return NT_STATUS_IS_OK(pdb->delete_alias(pdb,
 985                                                              sid));
 986
 987 }
 988
 989 BOOL pdb_get_aliasinfo(const DOM_SID *sid, struct acct_info *info)
 990 {
 991         struct pdb_methods *pdb = pdb_get_methods();
 992
 993         if ( !pdb ) {
 994                 return False;
 995         }
 996
 997         return NT_STATUS_IS_OK(pdb->get_aliasinfo(pdb, sid,
 998                                                               info));
 999 }
1000
1001 BOOL pdb_set_aliasinfo(const DOM_SID *sid, struct acct_info *info)
1002 {
1003         struct pdb_methods *pdb = pdb_get_methods();
1004
1005         if ( !pdb ) {
1006                 return False;
1007         }
1008
1009         return NT_STATUS_IS_OK(pdb->set_aliasinfo(pdb, sid,
1010                                                               info));
1011 }
1012
1013 NTSTATUS pdb_add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
1014 {
1015         struct pdb_methods *pdb = pdb_get_methods();
1016
1017         if ( !pdb ) {
1018                 return NT_STATUS_UNSUCCESSFUL;
1019         }
1020
1021         return pdb->add_aliasmem(pdb, alias, member);
1022 }
1023
1024 NTSTATUS pdb_del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
1025 {
1026         struct pdb_methods *pdb = pdb_get_methods();
1027
1028         if ( !pdb ) {
1029                 return NT_STATUS_UNSUCCESSFUL;
1030         }
1031
1032         return pdb->del_aliasmem(pdb, alias, member);
1033 }
1034
1035 NTSTATUS pdb_enum_aliasmem(const DOM_SID *alias,
1036                            DOM_SID **pp_members, size_t *p_num_members)
1037 {
1038         struct pdb_methods *pdb = pdb_get_methods();
1039
1040         if ( !pdb ) {
1041                 return NT_STATUS_UNSUCCESSFUL;
1042         }
1043
1044         return pdb->enum_aliasmem(pdb, alias,
1045                                               pp_members, p_num_members);
1046 }
1047
1048 NTSTATUS pdb_enum_alias_memberships(TALLOC_CTX *mem_ctx,
1049                                     const DOM_SID *domain_sid,
1050                                     const DOM_SID *members, size_t num_members,
1051                                     uint32 **pp_alias_rids,
1052                                     size_t *p_num_alias_rids)
1053 {
1054         struct pdb_methods *pdb = pdb_get_methods();
1055
1056         if ( !pdb ) {
1057                 return NT_STATUS_NOT_IMPLEMENTED;
1058         }
1059
1060         return pdb->enum_alias_memberships(pdb, mem_ctx,
1061                                                        domain_sid,
1062                                                        members, num_members,
1063                                                        pp_alias_rids,
1064                                                        p_num_alias_rids);
1065 }
1066
1067 NTSTATUS pdb_lookup_rids(const DOM_SID *domain_sid,
1068                          int num_rids,
1069                          uint32 *rids,
1070                          const char **names,
1071                          uint32 *attrs)
1072 {
1073         struct pdb_methods *pdb = pdb_get_methods();
1074
1075         if ( !pdb ) {
1076                 return NT_STATUS_NOT_IMPLEMENTED;
1077         }
1078
1079         return pdb->lookup_rids(pdb, domain_sid,
1080                                             num_rids, rids, names, attrs);
1081 }
1082
1083 NTSTATUS pdb_lookup_names(const DOM_SID *domain_sid,
1084                           int num_names,
1085                           const char **names,
1086                           uint32 *rids,
1087                           uint32 *attrs)
1088 {
1089         struct pdb_methods *pdb = pdb_get_methods();
1090
1091         if ( !pdb ) {
1092                 return NT_STATUS_NOT_IMPLEMENTED;
1093         }
1094
1095         return pdb->lookup_names(pdb, domain_sid,
1096                                              num_names, names, rids, attrs);
1097 }
1098
1099 BOOL pdb_get_account_policy(int policy_index, uint32 *value)
1100 {
1101         struct pdb_methods *pdb = pdb_get_methods();
1102
1103         if ( !pdb ) {
1104                 return False;
1105         }
1106
1107         return NT_STATUS_IS_OK(pdb->get_account_policy(pdb, policy_index, value));
1108 }
1109
1110 BOOL pdb_set_account_policy(int policy_index, uint32 value)
1111 {
1112         struct pdb_methods *pdb = pdb_get_methods();
1113
1114         if ( !pdb ) {
1115                 return False;
1116         }
1117
1118         return NT_STATUS_IS_OK(pdb->set_account_policy(pdb, policy_index, value));
1119 }
1120
1121 BOOL pdb_get_seq_num(time_t *seq_num)
1122 {
1123         struct pdb_methods *pdb = pdb_get_methods();
1124
1125         if ( !pdb ) {
1126                 return False;
1127         }
1128
1129         return NT_STATUS_IS_OK(pdb->get_seq_num(pdb, seq_num));
1130 }
1131
1132 BOOL pdb_uid_to_rid(uid_t uid, uint32 *rid)
1133 {
1134         struct pdb_methods *pdb = pdb_get_methods();
1135
1136         if ( !pdb ) {
1137                 return False;
1138         }
1139
1140         return pdb->uid_to_rid(pdb, uid, rid);
1141 }
1142
1143 BOOL pdb_gid_to_sid(gid_t gid, DOM_SID *sid)
1144 {
1145         struct pdb_methods *pdb = pdb_get_methods();
1146
1147         if ( !pdb ) {
1148                 return False;
1149         }
1150
1151         return pdb->gid_to_sid(pdb, gid, sid);
1152 }
1153
1154 BOOL pdb_sid_to_id(const DOM_SID *sid, union unid_t *id,
1155                    enum SID_NAME_USE *type)
1156 {
1157         struct pdb_methods *pdb = pdb_get_methods();
1158
1159         if ( !pdb ) {
1160                 return False;
1161         }
1162
1163         return pdb->sid_to_id(pdb, sid, id, type);
1164 }
1165
1166 BOOL pdb_rid_algorithm(void)
1167 {
1168         struct pdb_methods *pdb = pdb_get_methods();
1169
1170         if ( !pdb ) {
1171                 return False;
1172         }
1173
1174         return pdb->rid_algorithm(pdb);
1175 }
1176
1177 BOOL pdb_new_rid(uint32 *rid)
1178 {
1179         struct pdb_methods *pdb = pdb_get_methods();
1180
1181         if ( !pdb ) {
1182                 return False;
1183         }
1184
1185         if (pdb_rid_algorithm()) {
1186                 DEBUG(0, ("Trying to allocate a RID when algorithmic RIDs "
1187                           "are active\n"));
1188                 return False;
1189         }
1190
1191         if (algorithmic_rid_base() != BASE_RID) {
1192                 DEBUG(0, ("'algorithmic rid base' is set but a passdb backend "
1193                           "without algorithmic RIDs is chosen.\n"));
1194                 DEBUGADD(0, ("Please map all used groups using 'net groupmap "
1195                              "add', set the maximum used RID using\n"));
1196                 DEBUGADD(0, ("'net setmaxrid' and remove the parameter\n"));
1197                 return False;
1198         }
1199
1200         return pdb->new_rid(pdb, rid);
1201 }
1202
1203 /***************************************************************
1204   Initialize the static context (at smbd startup etc).
1205
1206   If uninitialised, context will auto-init on first use.
1207  ***************************************************************/
1208
1209 BOOL initialize_password_db(BOOL reload)
1210 {
1211         return (pdb_get_methods_reload(reload) != NULL);
1212 }
1213
1214
1215 /***************************************************************************
1216   Default implementations of some functions.
1217  ****************************************************************************/
1218
1219 static NTSTATUS pdb_default_getsampwnam (struct pdb_methods *methods, struct samu *user, const char *sname)
1220 {
1221         return NT_STATUS_NO_SUCH_USER;
1222 }
1223
1224 static NTSTATUS pdb_default_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1225 {
1226         return NT_STATUS_NO_SUCH_USER;
1227 }
1228
1229 static NTSTATUS pdb_default_add_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1230 {
1231         DEBUG(0,("this backend (%s) should not be listed as the first passdb backend! You can't add users to it.\n", methods->name));
1232         return NT_STATUS_NOT_IMPLEMENTED;
1233 }
1234
1235 static NTSTATUS pdb_default_update_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1236 {
1237         return NT_STATUS_NOT_IMPLEMENTED;
1238 }
1239
1240 static NTSTATUS pdb_default_delete_sam_account (struct pdb_methods *methods, struct samu *pwd)
1241 {
1242         return NT_STATUS_NOT_IMPLEMENTED;
1243 }
1244
1245 static NTSTATUS pdb_default_rename_sam_account (struct pdb_methods *methods, struct samu *pwd, const char *newname)
1246 {
1247         return NT_STATUS_NOT_IMPLEMENTED;
1248 }
1249
1250 static NTSTATUS pdb_default_update_login_attempts (struct pdb_methods *methods, struct samu *newpwd, BOOL success)
1251 {
1252         return NT_STATUS_OK;
1253 }
1254
1255 static NTSTATUS pdb_default_setsampwent(struct pdb_methods *methods, BOOL update, uint32 acb_mask)
1256 {
1257         return NT_STATUS_NOT_IMPLEMENTED;
1258 }
1259
1260 static NTSTATUS pdb_default_getsampwent(struct pdb_methods *methods, struct samu *user)
1261 {
1262         return NT_STATUS_NOT_IMPLEMENTED;
1263 }
1264
1265 static void pdb_default_endsampwent(struct pdb_methods *methods)
1266 {
1267         return; /* NT_STATUS_NOT_IMPLEMENTED; */
1268 }
1269
1270 static NTSTATUS pdb_default_get_account_policy(struct pdb_methods *methods, int policy_index, uint32 *value)
1271 {
1272         return account_policy_get(policy_index, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1273 }
1274
1275 static NTSTATUS pdb_default_set_account_policy(struct pdb_methods *methods, int policy_index, uint32 value)
1276 {
1277         return account_policy_set(policy_index, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1278 }
1279
1280 static NTSTATUS pdb_default_get_seq_num(struct pdb_methods *methods, time_t *seq_num)
1281 {
1282         *seq_num = time(NULL);
1283         return NT_STATUS_OK;
1284 }
1285
1286 static BOOL pdb_default_uid_to_rid(struct pdb_methods *methods, uid_t uid,
1287                                    uint32 *rid)
1288 {
1289         struct samu *sampw = NULL;
1290         struct passwd *unix_pw;
1291         BOOL ret;
1292
1293         unix_pw = sys_getpwuid( uid );
1294
1295         if ( !unix_pw ) {
1296                 DEBUG(4,("pdb_default_uid_to_rid: host has no idea of uid "
1297                          "%lu\n", (unsigned long)uid));
1298                 return False;
1299         }
1300
1301         if ( !(sampw = samu_new( NULL )) ) {
1302                 DEBUG(0,("pdb_default_uid_to_rid: samu_new() failed!\n"));
1303                 return False;
1304         }
1305
1306         become_root();
1307         ret = NT_STATUS_IS_OK(
1308                 methods->getsampwnam(methods, sampw, unix_pw->pw_name ));
1309         unbecome_root();
1310
1311         if (!ret) {
1312                 DEBUG(5, ("pdb_default_uid_to_rid: Did not find user "
1313                           "%s (%d)\n", unix_pw->pw_name, uid));
1314                 TALLOC_FREE(sampw);
1315                 return False;
1316         }
1317
1318         ret = sid_peek_check_rid(get_global_sam_sid(),
1319                                  pdb_get_user_sid(sampw), rid);
1320
1321         if (!ret) {
1322                 DEBUG(1, ("Could not peek rid out of sid %s\n",
1323                           sid_string_static(pdb_get_user_sid(sampw))));
1324         }
1325
1326         TALLOC_FREE(sampw);
1327         return ret;
1328 }
1329
1330 static BOOL pdb_default_gid_to_sid(struct pdb_methods *methods, gid_t gid,
1331                                    DOM_SID *sid)
1332 {
1333         GROUP_MAP map;
1334
1335         if (!NT_STATUS_IS_OK(methods->getgrgid(methods, &map, gid))) {
1336                 return False;
1337         }
1338
1339         sid_copy(sid, &map.sid);
1340         return True;
1341 }
1342
1343 static BOOL pdb_default_sid_to_id(struct pdb_methods *methods,
1344                                   const DOM_SID *sid,
1345                                   union unid_t *id, enum SID_NAME_USE *type)
1346 {
1347         TALLOC_CTX *mem_ctx;
1348         BOOL ret = False;
1349         const char *name;
1350         uint32 rid;
1351
1352         mem_ctx = talloc_new(NULL);
1353
1354         if (mem_ctx == NULL) {
1355                 DEBUG(0, ("talloc_new failed\n"));
1356                 return False;
1357         }
1358
1359         if (sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) {
1360                 /* Here we might have users as well as groups and aliases */
1361                 ret = lookup_global_sam_rid(mem_ctx, rid, &name, type, id);
1362                 goto done;
1363         }
1364
1365         if (sid_peek_check_rid(&global_sid_Builtin, sid, &rid)) {
1366                 /* Here we only have aliases */
1367                 GROUP_MAP map;
1368                 if (!NT_STATUS_IS_OK(methods->getgrsid(methods, &map, *sid))) {
1369                         DEBUG(10, ("Could not find map for sid %s\n",
1370                                    sid_string_static(sid)));
1371                         goto done;
1372                 }
1373                 if ((map.sid_name_use != SID_NAME_ALIAS) &&
1374                     (map.sid_name_use != SID_NAME_WKN_GRP)) {
1375                         DEBUG(10, ("Map for sid %s is a %s, expected an "
1376                                    "alias\n", sid_string_static(sid),
1377                                    sid_type_lookup(map.sid_name_use)));
1378                         goto done;
1379                 }
1380
1381                 id->gid = map.gid;
1382                 *type = SID_NAME_ALIAS;
1383                 ret = True;
1384                 goto done;
1385         }
1386
1387         DEBUG(5, ("Sid %s is neither ours nor builtin, don't know it\n",
1388                   sid_string_static(sid)));
1389
1390  done:
1391
1392         TALLOC_FREE(mem_ctx);
1393         return ret;
1394 }
1395
1396 static void add_uid_to_array_unique(TALLOC_CTX *mem_ctx,
1397                                     uid_t uid, uid_t **pp_uids, size_t *p_num)
1398 {
1399         size_t i;
1400
1401         for (i=0; i<*p_num; i++) {
1402                 if ((*pp_uids)[i] == uid)
1403                         return;
1404         }
1405
1406         *pp_uids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_uids, uid_t, *p_num+1);
1407
1408         if (*pp_uids == NULL)
1409                 return;
1410
1411         (*pp_uids)[*p_num] = uid;
1412         *p_num += 1;
1413 }
1414
1415 static BOOL get_memberuids(TALLOC_CTX *mem_ctx, gid_t gid, uid_t **pp_uids, size_t *p_num)
1416 {
1417         struct group *grp;
1418         char **gr;
1419         struct passwd *pwd;
1420
1421         *pp_uids = NULL;
1422         *p_num = 0;
1423
1424         /* We only look at our own sam, so don't care about imported stuff */
1425
1426         winbind_off();
1427
1428         if ((grp = getgrgid(gid)) == NULL) {
1429                 winbind_on();
1430                 return False;
1431         }
1432
1433         /* Primary group members */
1434
1435         setpwent();
1436         while ((pwd = getpwent()) != NULL) {
1437                 if (pwd->pw_gid == gid) {
1438                         add_uid_to_array_unique(mem_ctx, pwd->pw_uid,
1439                                                 pp_uids, p_num);
1440                 }
1441         }
1442         endpwent();
1443
1444         /* Secondary group members */
1445
1446         for (gr = grp->gr_mem; (*gr != NULL) && ((*gr)[0] != '\0'); gr += 1) {
1447                 struct passwd *pw = getpwnam(*gr);
1448
1449                 if (pw == NULL)
1450                         continue;
1451                 add_uid_to_array_unique(mem_ctx, pw->pw_uid, pp_uids, p_num);
1452         }
1453
1454         winbind_on();
1455
1456         return True;
1457 }
1458
1459 NTSTATUS pdb_default_enum_group_members(struct pdb_methods *methods,
1460                                         TALLOC_CTX *mem_ctx,
1461                                         const DOM_SID *group,
1462                                         uint32 **pp_member_rids,
1463                                         size_t *p_num_members)
1464 {
1465         gid_t gid;
1466         uid_t *uids;
1467         size_t i, num_uids;
1468
1469         *pp_member_rids = NULL;
1470         *p_num_members = 0;
1471
1472         if (!sid_to_gid(group, &gid))
1473                 return NT_STATUS_NO_SUCH_GROUP;
1474
1475         if(!get_memberuids(mem_ctx, gid, &uids, &num_uids))
1476                 return NT_STATUS_NO_SUCH_GROUP;
1477
1478         if (num_uids == 0)
1479                 return NT_STATUS_OK;
1480
1481         *pp_member_rids = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_uids);
1482
1483         for (i=0; i<num_uids; i++) {
1484                 DOM_SID sid;
1485
1486                 uid_to_sid(&sid, uids[i]);
1487
1488                 if (!sid_check_is_in_our_domain(&sid)) {
1489                         DEBUG(5, ("Inconsistent SAM -- group member uid not "
1490                                   "in our domain\n"));
1491                         continue;
1492                 }
1493
1494                 sid_peek_rid(&sid, &(*pp_member_rids)[*p_num_members]);
1495                 *p_num_members += 1;
1496         }
1497
1498         return NT_STATUS_OK;
1499 }
1500
1501 NTSTATUS pdb_default_enum_group_memberships(struct pdb_methods *methods,
1502                                             TALLOC_CTX *mem_ctx,
1503                                             struct samu *user,
1504                                             DOM_SID **pp_sids,
1505                                             gid_t **pp_gids,
1506                                             size_t *p_num_groups)
1507 {
1508         size_t i;
1509         gid_t gid;
1510         struct passwd *pw;
1511         const char *username = pdb_get_username(user);
1512
1513
1514 #if 0
1515         /* Ignore the primary group SID.  Honor the real Unix primary group.
1516            The primary group SID is only of real use to Windows clients */
1517
1518         if (!sid_to_gid(pdb_get_group_sid(user), &gid)) {
1519                 DEBUG(10, ("sid_to_gid failed\n"));
1520                 return NT_STATUS_NO_SUCH_USER;
1521         }
1522 #else
1523         if ( !(pw = getpwnam_alloc(mem_ctx, username)) ) {
1524                 return NT_STATUS_NO_SUCH_USER;
1525         }
1526
1527         gid = pw->pw_gid;
1528
1529         TALLOC_FREE( pw );
1530 #endif
1531
1532         if (!getgroups_unix_user(mem_ctx, username, gid, pp_gids, p_num_groups)) {
1533                 return NT_STATUS_NO_SUCH_USER;
1534         }
1535
1536         if (*p_num_groups == 0) {
1537                 smb_panic("primary group missing");
1538         }
1539
1540         *pp_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, *p_num_groups);
1541
1542         if (*pp_sids == NULL) {
1543                 TALLOC_FREE(*pp_gids);
1544                 return NT_STATUS_NO_MEMORY;
1545         }
1546
1547         for (i=0; i<*p_num_groups; i++) {
1548                 gid_to_sid(&(*pp_sids)[i], (*pp_gids)[i]);
1549         }
1550
1551         return NT_STATUS_OK;
1552 }
1553
1554 /*******************************************************************
1555  Look up a rid in the SAM we're responsible for (i.e. passdb)
1556  ********************************************************************/
1557
1558 static BOOL lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32 rid,
1559                                   const char **name,
1560                                   enum SID_NAME_USE *psid_name_use,
1561                                   union unid_t *unix_id)
1562 {
1563         struct samu *sam_account = NULL;
1564         GROUP_MAP map;
1565         BOOL ret;
1566         DOM_SID sid;
1567
1568         *psid_name_use = SID_NAME_UNKNOWN;
1569
1570         DEBUG(5,("lookup_global_sam_rid: looking up RID %u.\n",
1571                  (unsigned int)rid));
1572
1573         sid_copy(&sid, get_global_sam_sid());
1574         sid_append_rid(&sid, rid);
1575
1576         /* see if the passdb can help us with the name of the user */
1577
1578         if ( !(sam_account = samu_new( NULL )) ) {
1579                 return False;
1580         }
1581
1582         /* BEING ROOT BLLOCK */
1583         become_root();
1584         if (pdb_getsampwsid(sam_account, &sid)) {
1585                 struct passwd *pw;
1586
1587                 unbecome_root();                /* -----> EXIT BECOME_ROOT() */
1588                 *name = talloc_strdup(mem_ctx, pdb_get_username(sam_account));
1589                 *psid_name_use = SID_NAME_USER;
1590
1591                 TALLOC_FREE(sam_account);
1592
1593                 if (unix_id == NULL) {
1594                         return True;
1595                 }
1596
1597                 pw = Get_Pwnam(*name);
1598                 if (pw == NULL) {
1599                         return False;
1600                 }
1601                 unix_id->uid = pw->pw_uid;
1602                 return True;
1603         }
1604         TALLOC_FREE(sam_account);
1605
1606         ret = pdb_getgrsid(&map, sid);
1607         unbecome_root();
1608         /* END BECOME_ROOT BLOCK */
1609
1610         /* do not resolve SIDs to a name unless there is a valid
1611            gid associated with it */
1612
1613         if ( ret && (map.gid != (gid_t)-1) ) {
1614                 *name = talloc_strdup(mem_ctx, map.nt_name);
1615                 *psid_name_use = map.sid_name_use;
1616
1617                 if ( unix_id ) {
1618                         unix_id->gid = map.gid;
1619                 }
1620
1621                 return True;
1622         }
1623
1624         /* Windows will always map RID 513 to something.  On a non-domain
1625            controller, this gets mapped to SERVER\None. */
1626
1627         if ( unix_id ) {
1628                 DEBUG(5, ("Can't find a unix id for an unmapped group\n"));
1629                 return False;
1630         }
1631
1632         if ( rid == DOMAIN_GROUP_RID_USERS ) {
1633                 *name = talloc_strdup(mem_ctx, "None" );
1634                 *psid_name_use = SID_NAME_DOM_GRP;
1635
1636                 return True;
1637         }
1638
1639         return False;
1640 }
1641
1642 NTSTATUS pdb_default_lookup_rids(struct pdb_methods *methods,
1643                                  const DOM_SID *domain_sid,
1644                                  int num_rids,
1645                                  uint32 *rids,
1646                                  const char **names,
1647                                  uint32 *attrs)
1648 {
1649         int i;
1650         NTSTATUS result;
1651         BOOL have_mapped = False;
1652         BOOL have_unmapped = False;
1653
1654         if (sid_check_is_builtin(domain_sid)) {
1655
1656                 for (i=0; i<num_rids; i++) {
1657                         const char *name;
1658
1659                         if (lookup_builtin_rid(names, rids[i], &name)) {
1660                                 attrs[i] = SID_NAME_ALIAS;
1661                                 names[i] = name;
1662                                 DEBUG(5,("lookup_rids: %s:%d\n",
1663                                          names[i], attrs[i]));
1664                                 have_mapped = True;
1665                         } else {
1666                                 have_unmapped = True;
1667                                 attrs[i] = SID_NAME_UNKNOWN;
1668                         }
1669                 }
1670                 goto done;
1671         }
1672
1673         /* Should not happen, but better check once too many */
1674         if (!sid_check_is_domain(domain_sid)) {
1675                 return NT_STATUS_INVALID_HANDLE;
1676         }
1677
1678         for (i = 0; i < num_rids; i++) {
1679                 const char *name;
1680
1681                 if (lookup_global_sam_rid(names, rids[i], &name, &attrs[i],
1682                                           NULL)) {
1683                         names[i] = name;
1684                         DEBUG(5,("lookup_rids: %s:%d\n", names[i], attrs[i]));
1685                         have_mapped = True;
1686                 } else {
1687                         have_unmapped = True;
1688                         attrs[i] = SID_NAME_UNKNOWN;
1689                 }
1690         }
1691
1692  done:
1693
1694         result = NT_STATUS_NONE_MAPPED;
1695
1696         if (have_mapped)
1697                 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1698
1699         return result;
1700 }
1701
1702 NTSTATUS pdb_default_lookup_names(struct pdb_methods *methods,
1703                                   const DOM_SID *domain_sid,
1704                                   int num_names,
1705                                   const char **names,
1706                                   uint32 *rids,
1707                                   uint32 *attrs)
1708 {
1709         int i;
1710         NTSTATUS result;
1711         BOOL have_mapped = False;
1712         BOOL have_unmapped = False;
1713
1714         if (sid_check_is_builtin(domain_sid)) {
1715
1716                 for (i=0; i<num_names; i++) {
1717                         uint32 rid;
1718
1719                         if (lookup_builtin_name(names[i], &rid)) {
1720                                 attrs[i] = SID_NAME_ALIAS;
1721                                 rids[i] = rid;
1722                                 DEBUG(5,("lookup_rids: %s:%d\n",
1723                                          names[i], attrs[i]));
1724                                 have_mapped = True;
1725                         } else {
1726                                 have_unmapped = True;
1727                                 attrs[i] = SID_NAME_UNKNOWN;
1728                         }
1729                 }
1730                 goto done;
1731         }
1732
1733         /* Should not happen, but better check once too many */
1734         if (!sid_check_is_domain(domain_sid)) {
1735                 return NT_STATUS_INVALID_HANDLE;
1736         }
1737
1738         for (i = 0; i < num_names; i++) {
1739                 if (lookup_global_sam_name(names[i], 0, &rids[i], &attrs[i])) {
1740                         DEBUG(5,("lookup_names: %s-> %d:%d\n", names[i],
1741                                  rids[i], attrs[i]));
1742                         have_mapped = True;
1743                 } else {
1744                         have_unmapped = True;
1745                         attrs[i] = SID_NAME_UNKNOWN;
1746                 }
1747         }
1748
1749  done:
1750
1751         result = NT_STATUS_NONE_MAPPED;
1752
1753         if (have_mapped)
1754                 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1755
1756         return result;
1757 }
1758
1759 static struct pdb_search *pdb_search_init(enum pdb_search_type type)
1760 {
1761         TALLOC_CTX *mem_ctx;
1762         struct pdb_search *result;
1763
1764         mem_ctx = talloc_init("pdb_search");
1765         if (mem_ctx == NULL) {
1766                 DEBUG(0, ("talloc_init failed\n"));
1767                 return NULL;
1768         }
1769
1770         result = TALLOC_P(mem_ctx, struct pdb_search);
1771         if (result == NULL) {
1772                 DEBUG(0, ("talloc failed\n"));
1773                 return NULL;
1774         }
1775
1776         result->mem_ctx = mem_ctx;
1777         result->type = type;
1778         result->cache = NULL;
1779         result->num_entries = 0;
1780         result->cache_size = 0;
1781         result->search_ended = False;
1782
1783         /* Segfault appropriately if not initialized */
1784         result->next_entry = NULL;
1785         result->search_end = NULL;
1786
1787         return result;
1788 }
1789
1790 static void fill_displayentry(TALLOC_CTX *mem_ctx, uint32 rid,
1791                               uint16 acct_flags,
1792                               const char *account_name,
1793                               const char *fullname,
1794                               const char *description,
1795                               struct samr_displayentry *entry)
1796 {
1797         entry->rid = rid;
1798         entry->acct_flags = acct_flags;
1799
1800         if (account_name != NULL)
1801                 entry->account_name = talloc_strdup(mem_ctx, account_name);
1802         else
1803                 entry->account_name = "";
1804
1805         if (fullname != NULL)
1806                 entry->fullname = talloc_strdup(mem_ctx, fullname);
1807         else
1808                 entry->fullname = "";
1809
1810         if (description != NULL)
1811                 entry->description = talloc_strdup(mem_ctx, description);
1812         else
1813                 entry->description = "";
1814 }
1815
1816 static BOOL user_search_in_progress = False;
1817 struct user_search {
1818         uint16 acct_flags;
1819 };
1820
1821 static BOOL next_entry_users(struct pdb_search *s,
1822                              struct samr_displayentry *entry)
1823 {
1824         struct user_search *state = s->private_data;
1825         struct samu *user = NULL;
1826
1827  next:
1828         if ( !(user = samu_new( NULL )) ) {
1829                 DEBUG(0, ("next_entry_users: samu_new() failed!\n"));
1830                 return False;
1831         }
1832
1833         if (!pdb_getsampwent(user)) {
1834                 TALLOC_FREE(user);
1835                 return False;
1836         }
1837
1838         if ((state->acct_flags != 0) &&
1839             ((pdb_get_acct_ctrl(user) & state->acct_flags) == 0)) {
1840                 TALLOC_FREE(user);
1841                 goto next;
1842         }
1843
1844         fill_displayentry(s->mem_ctx, pdb_get_user_rid(user),
1845                           pdb_get_acct_ctrl(user), pdb_get_username(user),
1846                           pdb_get_fullname(user), pdb_get_acct_desc(user),
1847                           entry);
1848
1849         TALLOC_FREE(user);
1850         return True;
1851 }
1852
1853 static void search_end_users(struct pdb_search *search)
1854 {
1855         pdb_endsampwent();
1856         user_search_in_progress = False;
1857 }
1858
1859 static BOOL pdb_default_search_users(struct pdb_methods *methods,
1860                                      struct pdb_search *search,
1861                                      uint32 acct_flags)
1862 {
1863         struct user_search *state;
1864
1865         if (user_search_in_progress) {
1866                 DEBUG(1, ("user search in progress\n"));
1867                 return False;
1868         }
1869
1870         if (!pdb_setsampwent(False, acct_flags)) {
1871                 DEBUG(5, ("Could not start search\n"));
1872                 return False;
1873         }
1874
1875         user_search_in_progress = True;
1876
1877         state = TALLOC_P(search->mem_ctx, struct user_search);
1878         if (state == NULL) {
1879                 DEBUG(0, ("talloc failed\n"));
1880                 return False;
1881         }
1882
1883         state->acct_flags = acct_flags;
1884
1885         search->private_data = state;
1886         search->next_entry = next_entry_users;
1887         search->search_end = search_end_users;
1888         return True;
1889 }
1890
1891 struct group_search {
1892         GROUP_MAP *groups;
1893         size_t num_groups, current_group;
1894 };
1895
1896 static BOOL next_entry_groups(struct pdb_search *s,
1897                               struct samr_displayentry *entry)
1898 {
1899         struct group_search *state = s->private_data;
1900         uint32 rid;
1901         GROUP_MAP *map = &state->groups[state->current_group];
1902
1903         if (state->current_group == state->num_groups)
1904                 return False;
1905
1906         sid_peek_rid(&map->sid, &rid);
1907
1908         fill_displayentry(s->mem_ctx, rid, 0, map->nt_name, NULL, map->comment,
1909                           entry);
1910
1911         state->current_group += 1;
1912         return True;
1913 }
1914
1915 static void search_end_groups(struct pdb_search *search)
1916 {
1917         struct group_search *state = search->private_data;
1918         SAFE_FREE(state->groups);
1919 }
1920
1921 static BOOL pdb_search_grouptype(struct pdb_search *search,
1922                                  const DOM_SID *sid, enum SID_NAME_USE type)
1923 {
1924         struct group_search *state;
1925
1926         state = TALLOC_P(search->mem_ctx, struct group_search);
1927         if (state == NULL) {
1928                 DEBUG(0, ("talloc failed\n"));
1929                 return False;
1930         }
1931
1932         if (!pdb_enum_group_mapping(sid, type, &state->groups, &state->num_groups,
1933                                     True)) {
1934                 DEBUG(0, ("Could not enum groups\n"));
1935                 return False;
1936         }
1937
1938         state->current_group = 0;
1939         search->private_data = state;
1940         search->next_entry = next_entry_groups;
1941         search->search_end = search_end_groups;
1942         return True;
1943 }
1944
1945 static BOOL pdb_default_search_groups(struct pdb_methods *methods,
1946                                       struct pdb_search *search)
1947 {
1948         return pdb_search_grouptype(search, get_global_sam_sid(), SID_NAME_DOM_GRP);
1949 }
1950
1951 static BOOL pdb_default_search_aliases(struct pdb_methods *methods,
1952                                        struct pdb_search *search,
1953                                        const DOM_SID *sid)
1954 {
1955
1956         return pdb_search_grouptype(search, sid, SID_NAME_ALIAS);
1957 }
1958
1959 static struct samr_displayentry *pdb_search_getentry(struct pdb_search *search,
1960                                                      uint32 idx)
1961 {
1962         if (idx < search->num_entries)
1963                 return &search->cache[idx];
1964
1965         if (search->search_ended)
1966                 return NULL;
1967
1968         while (idx >= search->num_entries) {
1969                 struct samr_displayentry entry;
1970
1971                 if (!search->next_entry(search, &entry)) {
1972                         search->search_end(search);
1973                         search->search_ended = True;
1974                         break;
1975                 }
1976
1977                 ADD_TO_LARGE_ARRAY(search->mem_ctx, struct samr_displayentry,
1978                                    entry, &search->cache, &search->num_entries,
1979                                    &search->cache_size);
1980         }
1981
1982         return (search->num_entries > idx) ? &search->cache[idx] : NULL;
1983 }
1984
1985 struct pdb_search *pdb_search_users(uint32 acct_flags)
1986 {
1987         struct pdb_methods *pdb = pdb_get_methods();
1988         struct pdb_search *result;
1989
1990         if (pdb == NULL) return NULL;
1991
1992         result = pdb_search_init(PDB_USER_SEARCH);
1993         if (result == NULL) return NULL;
1994
1995         if (!pdb->search_users(pdb, result, acct_flags)) {
1996                 talloc_destroy(result->mem_ctx);
1997                 return NULL;
1998         }
1999         return result;
2000 }
2001
2002 struct pdb_search *pdb_search_groups(void)
2003 {
2004         struct pdb_methods *pdb = pdb_get_methods();
2005         struct pdb_search *result;
2006
2007         if (pdb == NULL) return NULL;
2008
2009         result = pdb_search_init(PDB_GROUP_SEARCH);
2010         if (result == NULL) return NULL;
2011
2012         if (!pdb->search_groups(pdb, result)) {
2013                 talloc_destroy(result->mem_ctx);
2014                 return NULL;
2015         }
2016         return result;
2017 }
2018
2019 struct pdb_search *pdb_search_aliases(const DOM_SID *sid)
2020 {
2021         struct pdb_methods *pdb = pdb_get_methods();
2022         struct pdb_search *result;
2023
2024         if (pdb == NULL) return NULL;
2025
2026         result = pdb_search_init(PDB_ALIAS_SEARCH);
2027         if (result == NULL) return NULL;
2028
2029         if (!pdb->search_aliases(pdb, result, sid)) {
2030                 talloc_destroy(result->mem_ctx);
2031                 return NULL;
2032         }
2033         return result;
2034 }
2035
2036 uint32 pdb_search_entries(struct pdb_search *search,
2037                           uint32 start_idx, uint32 max_entries,
2038                           struct samr_displayentry **result)
2039 {
2040         struct samr_displayentry *end_entry;
2041         uint32 end_idx = start_idx+max_entries-1;
2042
2043         /* The first entry needs to be searched after the last. Otherwise the
2044          * first entry might have moved due to a realloc during the search for
2045          * the last entry. */
2046
2047         end_entry = pdb_search_getentry(search, end_idx);
2048         *result = pdb_search_getentry(search, start_idx);
2049
2050         if (end_entry != NULL)
2051                 return max_entries;
2052
2053         if (start_idx >= search->num_entries)
2054                 return 0;
2055
2056         return search->num_entries - start_idx;
2057 }
2058
2059 void pdb_search_destroy(struct pdb_search *search)
2060 {
2061         if (search == NULL)
2062                 return;
2063
2064         if (!search->search_ended)
2065                 search->search_end(search);
2066
2067         talloc_destroy(search->mem_ctx);
2068 }
2069
2070 /*******************************************************************
2071  Create a pdb_methods structure and initialize it with the default
2072  operations.  In this way a passdb module can simply implement
2073  the functionality it cares about.  However, normally this is done
2074  in groups of related functions.
2075 *******************************************************************/
2076
2077 NTSTATUS make_pdb_method( struct pdb_methods **methods )
2078 {
2079         /* allocate memory for the structure as its own talloc CTX */
2080
2081         if ( !(*methods = TALLOC_ZERO_P(NULL, struct pdb_methods) ) ) {
2082                 return NT_STATUS_NO_MEMORY;
2083         }
2084
2085         (*methods)->setsampwent = pdb_default_setsampwent;
2086         (*methods)->endsampwent = pdb_default_endsampwent;
2087         (*methods)->getsampwent = pdb_default_getsampwent;
2088         (*methods)->getsampwnam = pdb_default_getsampwnam;
2089         (*methods)->getsampwsid = pdb_default_getsampwsid;
2090         (*methods)->create_user = pdb_default_create_user;
2091         (*methods)->delete_user = pdb_default_delete_user;
2092         (*methods)->add_sam_account = pdb_default_add_sam_account;
2093         (*methods)->update_sam_account = pdb_default_update_sam_account;
2094         (*methods)->delete_sam_account = pdb_default_delete_sam_account;
2095         (*methods)->rename_sam_account = pdb_default_rename_sam_account;
2096         (*methods)->update_login_attempts = pdb_default_update_login_attempts;
2097
2098         (*methods)->getgrsid = pdb_default_getgrsid;
2099         (*methods)->getgrgid = pdb_default_getgrgid;
2100         (*methods)->getgrnam = pdb_default_getgrnam;
2101         (*methods)->create_dom_group = pdb_default_create_dom_group;
2102         (*methods)->delete_dom_group = pdb_default_delete_dom_group;
2103         (*methods)->add_group_mapping_entry = pdb_default_add_group_mapping_entry;
2104         (*methods)->update_group_mapping_entry = pdb_default_update_group_mapping_entry;
2105         (*methods)->delete_group_mapping_entry = pdb_default_delete_group_mapping_entry;
2106         (*methods)->enum_group_mapping = pdb_default_enum_group_mapping;
2107         (*methods)->enum_group_members = pdb_default_enum_group_members;
2108         (*methods)->enum_group_memberships = pdb_default_enum_group_memberships;
2109         (*methods)->set_unix_primary_group = pdb_default_set_unix_primary_group;
2110         (*methods)->add_groupmem = pdb_default_add_groupmem;
2111         (*methods)->del_groupmem = pdb_default_del_groupmem;
2112         (*methods)->find_alias = pdb_default_find_alias;
2113         (*methods)->create_alias = pdb_default_create_alias;
2114         (*methods)->delete_alias = pdb_default_delete_alias;
2115         (*methods)->get_aliasinfo = pdb_default_get_aliasinfo;
2116         (*methods)->set_aliasinfo = pdb_default_set_aliasinfo;
2117         (*methods)->add_aliasmem = pdb_default_add_aliasmem;
2118         (*methods)->del_aliasmem = pdb_default_del_aliasmem;
2119         (*methods)->enum_aliasmem = pdb_default_enum_aliasmem;
2120         (*methods)->enum_alias_memberships = pdb_default_alias_memberships;
2121         (*methods)->lookup_rids = pdb_default_lookup_rids;
2122         (*methods)->get_account_policy = pdb_default_get_account_policy;
2123         (*methods)->set_account_policy = pdb_default_set_account_policy;
2124         (*methods)->get_seq_num = pdb_default_get_seq_num;
2125         (*methods)->uid_to_rid = pdb_default_uid_to_rid;
2126         (*methods)->gid_to_sid = pdb_default_gid_to_sid;
2127         (*methods)->sid_to_id = pdb_default_sid_to_id;
2128
2129         (*methods)->search_users = pdb_default_search_users;
2130         (*methods)->search_groups = pdb_default_search_groups;
2131         (*methods)->search_aliases = pdb_default_search_aliases;
2132
2133         return NT_STATUS_OK;
2134 }