source/groupdb/mapping.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-2000,
   5  *  Copyright (C) Jean François Micouleau      1998-2001.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include "includes.h"
  23
  24 static TDB_CONTEXT *tdb; /* used for driver files */
  25
  26 #define DATABASE_VERSION_V1 1 /* native byte format. */
  27 #define DATABASE_VERSION_V2 2 /* le format. */
  28
  29 #define GROUP_PREFIX "UNIXGROUP/"
  30
  31 /* Alias memberships are stored reverse, as memberships. The performance
  32  * critical operation is to determine the aliases a SID is member of, not
  33  * listing alias members. So we store a list of alias SIDs a SID is member of
  34  * hanging of the member as key.
  35  */
  36 #define MEMBEROF_PREFIX "MEMBEROF/"
  37
  38 /****************************************************************************
  39 dump the mapping group mapping to a text file
  40 ****************************************************************************/
  41 char *decode_sid_name_use(fstring group, enum SID_NAME_USE name_use)
  42 {
  43         static fstring group_type;
  44
  45         switch(name_use) {
  46                 case SID_NAME_USER:
  47                         fstrcpy(group_type,"User");
  48                         break;
  49                 case SID_NAME_DOM_GRP:
  50                         fstrcpy(group_type,"Domain group");
  51                         break;
  52                 case SID_NAME_DOMAIN:
  53                         fstrcpy(group_type,"Domain");
  54                         break;
  55                 case SID_NAME_ALIAS:
  56                         fstrcpy(group_type,"Local group");
  57                         break;
  58                 case SID_NAME_WKN_GRP:
  59                         fstrcpy(group_type,"Builtin group");
  60                         break;
  61                 case SID_NAME_DELETED:
  62                         fstrcpy(group_type,"Deleted");
  63                         break;
  64                 case SID_NAME_INVALID:
  65                         fstrcpy(group_type,"Invalid");
  66                         break;
  67                 case SID_NAME_UNKNOWN:
  68                 default:
  69                         fstrcpy(group_type,"Unknown type");
  70                         break;
  71         }
  72
  73         fstrcpy(group, group_type);
  74         return group_type;
  75 }
  76
  77 /****************************************************************************
  78 initialise first time the mapping list - called from init_group_mapping()
  79 ****************************************************************************/
  80 static BOOL default_group_mapping(void)
  81 {
  82         DOM_SID sid_admins;
  83         DOM_SID sid_users;
  84         DOM_SID sid_guests;
  85         fstring str_admins;
  86         fstring str_users;
  87         fstring str_guests;
  88
  89         /* Add the Wellknown groups */
  90
  91         add_initial_entry(-1, "S-1-5-32-544", SID_NAME_WKN_GRP, "Administrators", "");
  92         add_initial_entry(-1, "S-1-5-32-545", SID_NAME_WKN_GRP, "Users", "");
  93         add_initial_entry(-1, "S-1-5-32-546", SID_NAME_WKN_GRP, "Guests", "");
  94         add_initial_entry(-1, "S-1-5-32-547", SID_NAME_WKN_GRP, "Power Users", "");
  95         add_initial_entry(-1, "S-1-5-32-548", SID_NAME_WKN_GRP, "Account Operators", "");
  96         add_initial_entry(-1, "S-1-5-32-549", SID_NAME_WKN_GRP, "System Operators", "");
  97         add_initial_entry(-1, "S-1-5-32-550", SID_NAME_WKN_GRP, "Print Operators", "");
  98         add_initial_entry(-1, "S-1-5-32-551", SID_NAME_WKN_GRP, "Backup Operators", "");
  99         add_initial_entry(-1, "S-1-5-32-552", SID_NAME_WKN_GRP, "Replicators", "");
 100
 101         /* Add the defaults domain groups */
 102
 103         sid_copy(&sid_admins, get_global_sam_sid());
 104         sid_append_rid(&sid_admins, DOMAIN_GROUP_RID_ADMINS);
 105         sid_to_string(str_admins, &sid_admins);
 106         add_initial_entry(-1, str_admins, SID_NAME_DOM_GRP, "Domain Admins", "");
 107
 108         sid_copy(&sid_users,  get_global_sam_sid());
 109         sid_append_rid(&sid_users,  DOMAIN_GROUP_RID_USERS);
 110         sid_to_string(str_users, &sid_users);
 111         add_initial_entry(-1, str_users,  SID_NAME_DOM_GRP, "Domain Users",  "");
 112
 113         sid_copy(&sid_guests, get_global_sam_sid());
 114         sid_append_rid(&sid_guests, DOMAIN_GROUP_RID_GUESTS);
 115         sid_to_string(str_guests, &sid_guests);
 116         add_initial_entry(-1, str_guests, SID_NAME_DOM_GRP, "Domain Guests", "");
 117
 118         return True;
 119 }
 120
 121 /****************************************************************************
 122  Open the group mapping tdb.
 123 ****************************************************************************/
 124
 125 static BOOL init_group_mapping(void)
 126 {
 127         static pid_t local_pid;
 128         const char *vstring = "INFO/version";
 129         int32 vers_id;
 130
 131         if (tdb && local_pid == sys_getpid())
 132                 return True;
 133         tdb = tdb_open_log(lock_path("group_mapping.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
 134         if (!tdb) {
 135                 DEBUG(0,("Failed to open group mapping database\n"));
 136                 return False;
 137         }
 138
 139         local_pid = sys_getpid();
 140
 141         /* handle a Samba upgrade */
 142         tdb_lock_bystring(tdb, vstring, 0);
 143
 144         /* Cope with byte-reversed older versions of the db. */
 145         vers_id = tdb_fetch_int32(tdb, vstring);
 146         if ((vers_id == DATABASE_VERSION_V1) || (IREV(vers_id) == DATABASE_VERSION_V1)) {
 147                 /* Written on a bigendian machine with old fetch_int code. Save as le. */
 148                 tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
 149                 vers_id = DATABASE_VERSION_V2;
 150         }
 151
 152         if (vers_id != DATABASE_VERSION_V2) {
 153                 tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
 154                 tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
 155         }
 156
 157         tdb_unlock_bystring(tdb, vstring);
 158
 159         /* write a list of default groups */
 160         if(!default_group_mapping())
 161                 return False;
 162
 163         return True;
 164 }
 165
 166 /****************************************************************************
 167 ****************************************************************************/
 168 static BOOL add_mapping_entry(GROUP_MAP *map, int flag)
 169 {
 170         TDB_DATA kbuf, dbuf;
 171         pstring key, buf;
 172         fstring string_sid="";
 173         int len;
 174
 175         if(!init_group_mapping()) {
 176                 DEBUG(0,("failed to initialize group mapping\n"));
 177                 return(False);
 178         }
 179
 180         sid_to_string(string_sid, &map->sid);
 181
 182         len = tdb_pack(buf, sizeof(buf), "ddff",
 183                         map->gid, map->sid_name_use, map->nt_name, map->comment);
 184
 185         if (len > sizeof(buf))
 186                 return False;
 187
 188         slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid);
 189
 190         kbuf.dsize = strlen(key)+1;
 191         kbuf.dptr = key;
 192         dbuf.dsize = len;
 193         dbuf.dptr = buf;
 194         if (tdb_store(tdb, kbuf, dbuf, flag) != 0) return False;
 195
 196         return True;
 197 }
 198
 199 /****************************************************************************
 200 initialise first time the mapping list
 201 ****************************************************************************/
 202 BOOL add_initial_entry(gid_t gid, const char *sid, enum SID_NAME_USE sid_name_use, const char *nt_name, const char *comment)
 203 {
 204         GROUP_MAP map;
 205
 206         if(!init_group_mapping()) {
 207                 DEBUG(0,("failed to initialize group mapping\n"));
 208                 return(False);
 209         }
 210
 211         map.gid=gid;
 212         if (!string_to_sid(&map.sid, sid)) {
 213                 DEBUG(0, ("string_to_sid failed: %s", sid));
 214                 return False;
 215         }
 216
 217         map.sid_name_use=sid_name_use;
 218         fstrcpy(map.nt_name, nt_name);
 219         fstrcpy(map.comment, comment);
 220
 221         return pdb_add_group_mapping_entry(&map);
 222 }
 223
 224 /****************************************************************************
 225  Return the sid and the type of the unix group.
 226 ****************************************************************************/
 227
 228 static BOOL get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map)
 229 {
 230         TDB_DATA kbuf, dbuf;
 231         pstring key;
 232         fstring string_sid;
 233         int ret = 0;
 234
 235         if(!init_group_mapping()) {
 236                 DEBUG(0,("failed to initialize group mapping\n"));
 237                 return(False);
 238         }
 239
 240         /* the key is the SID, retrieving is direct */
 241
 242         sid_to_string(string_sid, &sid);
 243         slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid);
 244
 245         kbuf.dptr = key;
 246         kbuf.dsize = strlen(key)+1;
 247
 248         dbuf = tdb_fetch(tdb, kbuf);
 249         if (!dbuf.dptr)
 250                 return False;
 251
 252         ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
 253                                 &map->gid, &map->sid_name_use, &map->nt_name, &map->comment);
 254
 255         SAFE_FREE(dbuf.dptr);
 256
 257         if ( ret == -1 ) {
 258                 DEBUG(3,("get_group_map_from_sid: tdb_unpack failure\n"));
 259                 return False;
 260         }
 261
 262         sid_copy(&map->sid, &sid);
 263
 264         return True;
 265 }
 266
 267 /****************************************************************************
 268  Return the sid and the type of the unix group.
 269 ****************************************************************************/
 270
 271 static BOOL get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
 272 {
 273         TDB_DATA kbuf, dbuf, newkey;
 274         fstring string_sid;
 275         int ret;
 276
 277         if(!init_group_mapping()) {
 278                 DEBUG(0,("failed to initialize group mapping\n"));
 279                 return(False);
 280         }
 281
 282         /* we need to enumerate the TDB to find the GID */
 283
 284         for (kbuf = tdb_firstkey(tdb);
 285              kbuf.dptr;
 286              newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
 287
 288                 if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0) continue;
 289
 290                 dbuf = tdb_fetch(tdb, kbuf);
 291                 if (!dbuf.dptr)
 292                         continue;
 293
 294                 fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX));
 295
 296                 string_to_sid(&map->sid, string_sid);
 297
 298                 ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
 299                                  &map->gid, &map->sid_name_use, &map->nt_name, &map->comment);
 300
 301                 SAFE_FREE(dbuf.dptr);
 302
 303                 if ( ret == -1 ) {
 304                         DEBUG(3,("get_group_map_from_gid: tdb_unpack failure\n"));
 305                         return False;
 306                 }
 307
 308                 if (gid==map->gid) {
 309                         SAFE_FREE(kbuf.dptr);
 310                         return True;
 311                 }
 312         }
 313
 314         return False;
 315 }
 316
 317 /****************************************************************************
 318  Return the sid and the type of the unix group.
 319 ****************************************************************************/
 320
 321 static BOOL get_group_map_from_ntname(const char *name, GROUP_MAP *map)
 322 {
 323         TDB_DATA kbuf, dbuf, newkey;
 324         fstring string_sid;
 325         int ret;
 326
 327         if(!init_group_mapping()) {
 328                 DEBUG(0,("get_group_map_from_ntname:failed to initialize group mapping\n"));
 329                 return(False);
 330         }
 331
 332         /* we need to enumerate the TDB to find the name */
 333
 334         for (kbuf = tdb_firstkey(tdb);
 335              kbuf.dptr;
 336              newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
 337
 338                 if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0) continue;
 339
 340                 dbuf = tdb_fetch(tdb, kbuf);
 341                 if (!dbuf.dptr)
 342                         continue;
 343
 344                 fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX));
 345
 346                 string_to_sid(&map->sid, string_sid);
 347
 348                 ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
 349                                  &map->gid, &map->sid_name_use, &map->nt_name, &map->comment);
 350
 351                 SAFE_FREE(dbuf.dptr);
 352
 353                 if ( ret == -1 ) {
 354                         DEBUG(3,("get_group_map_from_ntname: tdb_unpack failure\n"));
 355                         return False;
 356                 }
 357
 358                 if (StrCaseCmp(name, map->nt_name)==0) {
 359                         SAFE_FREE(kbuf.dptr);
 360                         return True;
 361                 }
 362         }
 363
 364         return False;
 365 }
 366
 367 /****************************************************************************
 368  Remove a group mapping entry.
 369 ****************************************************************************/
 370
 371 static BOOL group_map_remove(const DOM_SID *sid)
 372 {
 373         TDB_DATA kbuf, dbuf;
 374         pstring key;
 375         fstring string_sid;
 376
 377         if(!init_group_mapping()) {
 378                 DEBUG(0,("failed to initialize group mapping\n"));
 379                 return(False);
 380         }
 381
 382         /* the key is the SID, retrieving is direct */
 383
 384         sid_to_string(string_sid, sid);
 385         slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid);
 386
 387         kbuf.dptr = key;
 388         kbuf.dsize = strlen(key)+1;
 389
 390         dbuf = tdb_fetch(tdb, kbuf);
 391         if (!dbuf.dptr)
 392                 return False;
 393
 394         SAFE_FREE(dbuf.dptr);
 395
 396         if(tdb_delete(tdb, kbuf) != TDB_SUCCESS)
 397                 return False;
 398
 399         return True;
 400 }
 401
 402 /****************************************************************************
 403  Enumerate the group mapping.
 404 ****************************************************************************/
 405
 406 static BOOL enum_group_mapping(enum SID_NAME_USE sid_name_use, GROUP_MAP **rmap,
 407                         int *num_entries, BOOL unix_only)
 408 {
 409         TDB_DATA kbuf, dbuf, newkey;
 410         fstring string_sid;
 411         fstring group_type;
 412         GROUP_MAP map;
 413         GROUP_MAP *mapt;
 414         int ret;
 415         int entries=0;
 416
 417         if(!init_group_mapping()) {
 418                 DEBUG(0,("failed to initialize group mapping\n"));
 419                 return(False);
 420         }
 421
 422         *num_entries=0;
 423         *rmap=NULL;
 424
 425         for (kbuf = tdb_firstkey(tdb);
 426              kbuf.dptr;
 427              newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
 428
 429                 if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0)
 430                         continue;
 431
 432                 dbuf = tdb_fetch(tdb, kbuf);
 433                 if (!dbuf.dptr)
 434                         continue;
 435
 436                 fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX));
 437
 438                 ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
 439                                  &map.gid, &map.sid_name_use, &map.nt_name, &map.comment);
 440
 441                 SAFE_FREE(dbuf.dptr);
 442
 443                 if ( ret == -1 ) {
 444                         DEBUG(3,("enum_group_mapping: tdb_unpack failure\n"));
 445                         continue;
 446                 }
 447
 448                 /* list only the type or everything if UNKNOWN */
 449                 if (sid_name_use!=SID_NAME_UNKNOWN  && sid_name_use!=map.sid_name_use) {
 450                         DEBUG(11,("enum_group_mapping: group %s is not of the requested type\n", map.nt_name));
 451                         continue;
 452                 }
 453
 454                 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
 455                         DEBUG(11,("enum_group_mapping: group %s is non mapped\n", map.nt_name));
 456                         continue;
 457                 }
 458
 459                 string_to_sid(&map.sid, string_sid);
 460
 461                 decode_sid_name_use(group_type, map.sid_name_use);
 462                 DEBUG(11,("enum_group_mapping: returning group %s of type %s\n", map.nt_name ,group_type));
 463
 464                 mapt=(GROUP_MAP *)Realloc((*rmap), (entries+1)*sizeof(GROUP_MAP));
 465                 if (!mapt) {
 466                         DEBUG(0,("enum_group_mapping: Unable to enlarge group map!\n"));
 467                         SAFE_FREE(*rmap);
 468                         return False;
 469                 }
 470                 else
 471                         (*rmap) = mapt;
 472
 473                 mapt[entries].gid = map.gid;
 474                 sid_copy( &mapt[entries].sid, &map.sid);
 475                 mapt[entries].sid_name_use = map.sid_name_use;
 476                 fstrcpy(mapt[entries].nt_name, map.nt_name);
 477                 fstrcpy(mapt[entries].comment, map.comment);
 478
 479                 entries++;
 480
 481         }
 482
 483         *num_entries=entries;
 484
 485         return True;
 486 }
 487
 488 /* This operation happens on session setup, so it should better be fast. We
 489  * store a list of aliases a SID is member of hanging off MEMBEROF/SID. */
 490
 491 static NTSTATUS alias_memberships(const DOM_SID *sid, DOM_SID **sids, int *num)
 492 {
 493         fstring key, string_sid;
 494         TDB_DATA kbuf, dbuf;
 495         const char *p;
 496
 497         *num = 0;
 498         *sids = NULL;
 499
 500         if (!init_group_mapping()) {
 501                 DEBUG(0,("failed to initialize group mapping\n"));
 502                 return NT_STATUS_ACCESS_DENIED;
 503         }
 504
 505         sid_to_string(string_sid, sid);
 506         slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX, string_sid);
 507
 508         kbuf.dsize = strlen(key)+1;
 509         kbuf.dptr = key;
 510
 511         dbuf = tdb_fetch(tdb, kbuf);
 512
 513         if (dbuf.dptr == NULL) {
 514                 return NT_STATUS_OK;
 515         }
 516
 517         p = dbuf.dptr;
 518
 519         while (next_token(&p, string_sid, " ", sizeof(string_sid))) {
 520
 521                 DOM_SID alias;
 522
 523                 if (!string_to_sid(&alias, string_sid))
 524                         continue;
 525
 526                 add_sid_to_array(&alias, sids, num);
 527
 528                 if (sids == NULL)
 529                         return NT_STATUS_NO_MEMORY;
 530         }
 531
 532         SAFE_FREE(dbuf.dptr);
 533         return NT_STATUS_OK;
 534 }
 535
 536 static BOOL is_aliasmem(const DOM_SID *alias, const DOM_SID *member)
 537 {
 538         DOM_SID *sids;
 539         int i, num;
 540
 541         /* This feels the wrong way round, but the on-disk data structure
 542          * dictates it this way. */
 543         if (!NT_STATUS_IS_OK(alias_memberships(member, &sids, &num)))
 544                 return False;
 545
 546         for (i=0; i<num; i++) {
 547                 if (sid_compare(alias, &sids[i]) == 0) {
 548                         SAFE_FREE(sids);
 549                         return True;
 550                 }
 551         }
 552         SAFE_FREE(sids);
 553         return False;
 554 }
 555
 556 static NTSTATUS add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
 557 {
 558         GROUP_MAP map;
 559         TDB_DATA kbuf, dbuf;
 560         pstring key;
 561         fstring string_sid;
 562         char *new_memberstring;
 563         int result;
 564
 565         if(!init_group_mapping()) {
 566                 DEBUG(0,("failed to initialize group mapping\n"));
 567                 return NT_STATUS_ACCESS_DENIED;
 568         }
 569
 570         if (!get_group_map_from_sid(*alias, &map))
 571                 return NT_STATUS_NO_SUCH_ALIAS;
 572
 573         if ( (map.sid_name_use != SID_NAME_ALIAS) &&
 574              (map.sid_name_use != SID_NAME_WKN_GRP) )
 575                 return NT_STATUS_NO_SUCH_ALIAS;
 576
 577         if (is_aliasmem(alias, member))
 578                 return NT_STATUS_MEMBER_IN_ALIAS;
 579
 580         sid_to_string(string_sid, member);
 581         slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX, string_sid);
 582
 583         kbuf.dsize = strlen(key)+1;
 584         kbuf.dptr = key;
 585
 586         dbuf = tdb_fetch(tdb, kbuf);
 587
 588         sid_to_string(string_sid, alias);
 589
 590         if (dbuf.dptr != NULL) {
 591                 asprintf(&new_memberstring, "%s %s", (char *)(dbuf.dptr),
 592                          string_sid);
 593         } else {
 594                 new_memberstring = strdup(string_sid);
 595         }
 596
 597         if (new_memberstring == NULL)
 598                 return NT_STATUS_NO_MEMORY;
 599
 600         SAFE_FREE(dbuf.dptr);
 601         dbuf.dsize = strlen(new_memberstring)+1;
 602         dbuf.dptr = new_memberstring;
 603
 604         result = tdb_store(tdb, kbuf, dbuf, 0);
 605
 606         SAFE_FREE(new_memberstring);
 607
 608         return (result == 0 ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED);
 609 }
 610
 611 struct aliasmem_closure {
 612         const DOM_SID *alias;
 613         DOM_SID **sids;
 614         int *num;
 615 };
 616
 617 static int collect_aliasmem(TDB_CONTEXT *tdb_ctx, TDB_DATA key, TDB_DATA data,
 618                             void *state)
 619 {
 620         struct aliasmem_closure *closure = (struct aliasmem_closure *)state;
 621         const char *p;
 622         fstring alias_string;
 623
 624         if (strncmp(key.dptr, MEMBEROF_PREFIX,
 625                     strlen(MEMBEROF_PREFIX)) != 0)
 626                 return 0;
 627
 628         p = data.dptr;
 629
 630         while (next_token(&p, alias_string, " ", sizeof(alias_string))) {
 631
 632                 DOM_SID alias, member;
 633                 const char *member_string;
 634
 635
 636                 if (!string_to_sid(&alias, alias_string))
 637                         continue;
 638
 639                 if (sid_compare(closure->alias, &alias) != 0)
 640                         continue;
 641
 642                 /* Ok, we found the alias we're looking for in the membership
 643                  * list currently scanned. The key represents the alias
 644                  * member. Add that. */
 645
 646                 member_string = strchr(key.dptr, '/');
 647
 648                 /* Above we tested for MEMBEROF_PREFIX which includes the
 649                  * slash. */
 650
 651                 SMB_ASSERT(member_string != NULL);
 652                 member_string += 1;
 653
 654                 if (!string_to_sid(&member, member_string))
 655                         continue;
 656
 657                 add_sid_to_array(&member, closure->sids, closure->num);
 658         }
 659
 660         return 0;
 661 }
 662
 663 static NTSTATUS enum_aliasmem(const DOM_SID *alias, DOM_SID **sids, int *num)
 664 {
 665         GROUP_MAP map;
 666         struct aliasmem_closure closure;
 667
 668         if(!init_group_mapping()) {
 669                 DEBUG(0,("failed to initialize group mapping\n"));
 670                 return NT_STATUS_ACCESS_DENIED;
 671         }
 672
 673         if (!get_group_map_from_sid(*alias, &map))
 674                 return NT_STATUS_NO_SUCH_ALIAS;
 675
 676         if ( (map.sid_name_use != SID_NAME_ALIAS) &&
 677              (map.sid_name_use != SID_NAME_WKN_GRP) )
 678                 return NT_STATUS_NO_SUCH_ALIAS;
 679
 680         *sids = NULL;
 681         *num = 0;
 682
 683         closure.alias = alias;
 684         closure.sids = sids;
 685         closure.num = num;
 686
 687         tdb_traverse(tdb, collect_aliasmem, &closure);
 688         return NT_STATUS_OK;
 689 }
 690
 691 static NTSTATUS del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
 692 {
 693         NTSTATUS result;
 694         DOM_SID *sids;
 695         int i, num;
 696         BOOL found = False;
 697         char *member_string;
 698         TDB_DATA kbuf, dbuf;
 699         pstring key;
 700         fstring sid_string;
 701
 702         result = alias_memberships(member, &sids, &num);
 703
 704         if (!NT_STATUS_IS_OK(result))
 705                 return result;
 706
 707         for (i=0; i<num; i++) {
 708                 if (sid_compare(&sids[i], alias) == 0) {
 709                         found = True;
 710                         break;
 711                 }
 712         }
 713
 714         if (!found) {
 715                 SAFE_FREE(sids);
 716                 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
 717         }
 718
 719         if (i < num)
 720                 sids[i] = sids[num-1];
 721
 722         num -= 1;
 723
 724         sid_to_string(sid_string, member);
 725         slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX, sid_string);
 726
 727         kbuf.dsize = strlen(key)+1;
 728         kbuf.dptr = key;
 729
 730         if (num == 0)
 731                 return tdb_delete(tdb, kbuf) == 0 ?
 732                         NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
 733
 734         member_string = strdup("");
 735
 736         if (member_string == NULL) {
 737                 SAFE_FREE(sids);
 738                 return NT_STATUS_NO_MEMORY;
 739         }
 740
 741         for (i=0; i<num; i++) {
 742                 char *s = member_string;
 743
 744                 sid_to_string(sid_string, &sids[i]);
 745                 asprintf(&member_string, "%s %s", s, sid_string);
 746
 747                 SAFE_FREE(s);
 748                 if (member_string == NULL) {
 749                         SAFE_FREE(sids);
 750                         return NT_STATUS_NO_MEMORY;
 751                 }
 752         }
 753
 754         dbuf.dsize = strlen(member_string)+1;
 755         dbuf.dptr = member_string;
 756
 757         result = tdb_store(tdb, kbuf, dbuf, 0) == 0 ?
 758                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
 759
 760         SAFE_FREE(sids);
 761         SAFE_FREE(member_string);
 762
 763         return result;
 764 }
 765
 766 /*
 767  *
 768  * High level functions
 769  * better to use them than the lower ones.
 770  *
 771  * we are checking if the group is in the mapping file
 772  * and if the group is an existing unix group
 773  *
 774  */
 775
 776 /* get a domain group from it's SID */
 777
 778 BOOL get_domain_group_from_sid(DOM_SID sid, GROUP_MAP *map)
 779 {
 780         struct group *grp;
 781         BOOL ret;
 782
 783         if(!init_group_mapping()) {
 784                 DEBUG(0,("failed to initialize group mapping\n"));
 785                 return(False);
 786         }
 787
 788         DEBUG(10, ("get_domain_group_from_sid\n"));
 789
 790         /* if the group is NOT in the database, it CAN NOT be a domain group */
 791
 792         become_root();
 793         ret = pdb_getgrsid(map, sid);
 794         unbecome_root();
 795
 796         if ( !ret )
 797                 return False;
 798
 799         DEBUG(10, ("get_domain_group_from_sid: SID found in the TDB\n"));
 800
 801         /* if it's not a domain group, continue */
 802         if (map->sid_name_use!=SID_NAME_DOM_GRP) {
 803                 return False;
 804         }
 805
 806         DEBUG(10, ("get_domain_group_from_sid: SID is a domain group\n"));
 807
 808         if (map->gid==-1) {
 809                 return False;
 810         }
 811
 812         DEBUG(10, ("get_domain_group_from_sid: SID is mapped to gid:%lu\n",(unsigned long)map->gid));
 813
 814         grp = getgrgid(map->gid);
 815         if ( !grp ) {
 816                 DEBUG(10, ("get_domain_group_from_sid: gid DOESN'T exist in UNIX security\n"));
 817                 return False;
 818         }
 819
 820         DEBUG(10, ("get_domain_group_from_sid: gid exists in UNIX security\n"));
 821
 822         return True;
 823 }
 824
 825
 826 /* get a local (alias) group from it's SID */
 827
 828 BOOL get_local_group_from_sid(DOM_SID *sid, GROUP_MAP *map)
 829 {
 830         BOOL ret;
 831
 832         if(!init_group_mapping()) {
 833                 DEBUG(0,("failed to initialize group mapping\n"));
 834                 return(False);
 835         }
 836
 837         /* The group is in the mapping table */
 838         become_root();
 839         ret = pdb_getgrsid(map, *sid);
 840         unbecome_root();
 841
 842         if ( !ret )
 843                 return False;
 844
 845         if ( ( (map->sid_name_use != SID_NAME_ALIAS) &&
 846                (map->sid_name_use != SID_NAME_WKN_GRP) )
 847                 || (map->gid == -1)
 848                 || (getgrgid(map->gid) == NULL) )
 849         {
 850                 return False;
 851         }
 852
 853 #if 1   /* JERRY */
 854         /* local groups only exist in the group mapping DB so this
 855            is not necessary */
 856
 857         else {
 858                 /* the group isn't in the mapping table.
 859                  * make one based on the unix information */
 860                 uint32 alias_rid;
 861                 struct group *grp;
 862
 863                 sid_peek_rid(sid, &alias_rid);
 864                 map->gid=pdb_group_rid_to_gid(alias_rid);
 865
 866                 grp = getgrgid(map->gid);
 867                 if ( !grp ) {
 868                         DEBUG(3,("get_local_group_from_sid: No unix group for [%ul]\n", map->gid));
 869                         return False;
 870                 }
 871
 872                 map->sid_name_use=SID_NAME_ALIAS;
 873
 874                 fstrcpy(map->nt_name, grp->gr_name);
 875                 fstrcpy(map->comment, "Local Unix Group");
 876
 877                 sid_copy(&map->sid, sid);
 878         }
 879 #endif
 880
 881         return True;
 882 }
 883
 884 /* get a builtin group from it's SID */
 885
 886 BOOL get_builtin_group_from_sid(DOM_SID *sid, GROUP_MAP *map)
 887 {
 888         struct group *grp;
 889         BOOL ret;
 890
 891
 892         if(!init_group_mapping()) {
 893                 DEBUG(0,("failed to initialize group mapping\n"));
 894                 return(False);
 895         }
 896
 897         become_root();
 898         ret = pdb_getgrsid(map, *sid);
 899         unbecome_root();
 900
 901         if ( !ret )
 902                 return False;
 903
 904         if (map->sid_name_use!=SID_NAME_WKN_GRP) {
 905                 return False;
 906         }
 907
 908         if (map->gid==-1) {
 909                 return False;
 910         }
 911
 912         if ( (grp=getgrgid(map->gid)) == NULL) {
 913                 return False;
 914         }
 915
 916         return True;
 917 }
 918
 919
 920
 921 /****************************************************************************
 922 Returns a GROUP_MAP struct based on the gid.
 923 ****************************************************************************/
 924 BOOL get_group_from_gid(gid_t gid, GROUP_MAP *map)
 925 {
 926         struct group *grp;
 927         BOOL ret;
 928
 929         if(!init_group_mapping()) {
 930                 DEBUG(0,("failed to initialize group mapping\n"));
 931                 return(False);
 932         }
 933
 934         if ( (grp=getgrgid(gid)) == NULL)
 935                 return False;
 936
 937         /*
 938          * make a group map from scratch if doesn't exist.
 939          */
 940
 941         become_root();
 942         ret = pdb_getgrgid(map, gid);
 943         unbecome_root();
 944
 945         if ( !ret ) {
 946                 map->gid=gid;
 947                 map->sid_name_use=SID_NAME_ALIAS;
 948
 949                 /* interim solution until we have a last RID allocated */
 950
 951                 sid_copy(&map->sid, get_global_sam_sid());
 952                 sid_append_rid(&map->sid, pdb_gid_to_group_rid(gid));
 953
 954                 fstrcpy(map->nt_name, grp->gr_name);
 955                 fstrcpy(map->comment, "Local Unix Group");
 956         }
 957
 958         return True;
 959 }
 960
 961 /****************************************************************************
 962  Create a UNIX group on demand.
 963 ****************************************************************************/
 964
 965 int smb_create_group(char *unix_group, gid_t *new_gid)
 966 {
 967         pstring add_script;
 968         int     ret = -1;
 969         int     fd = 0;
 970
 971         *new_gid = 0;
 972
 973         /* defer to scripts */
 974
 975         if ( *lp_addgroup_script() ) {
 976                 pstrcpy(add_script, lp_addgroup_script());
 977                 pstring_sub(add_script, "%g", unix_group);
 978                 ret = smbrun(add_script, (new_gid!=NULL) ? &fd : NULL);
 979                 DEBUG(3,("smb_create_group: Running the command `%s' gave %d\n",add_script,ret));
 980                 if (ret != 0)
 981                         return ret;
 982
 983                 if (fd != 0) {
 984                         fstring output;
 985
 986                         *new_gid = 0;
 987                         if (read(fd, output, sizeof(output)) > 0) {
 988                                 *new_gid = (gid_t)strtoul(output, NULL, 10);
 989                         }
 990
 991                         close(fd);
 992                 }
 993
 994         } else if ( winbind_create_group( unix_group, NULL ) ) {
 995
 996                 DEBUG(3,("smb_create_group: winbindd created the group (%s)\n",
 997                         unix_group));
 998                 ret = 0;
 999         }
1000
1001         if (*new_gid == 0) {
1002                 struct group *grp = getgrnam(unix_group);
1003
1004                 if (grp != NULL)
1005                         *new_gid = grp->gr_gid;
1006         }
1007
1008         return ret;
1009 }
1010
1011 /****************************************************************************
1012  Delete a UNIX group on demand.
1013 ****************************************************************************/
1014
1015 int smb_delete_group(char *unix_group)
1016 {
1017         pstring del_script;
1018         int ret;
1019
1020         /* defer to scripts */
1021
1022         if ( *lp_delgroup_script() ) {
1023                 pstrcpy(del_script, lp_delgroup_script());
1024                 pstring_sub(del_script, "%g", unix_group);
1025                 ret = smbrun(del_script,NULL);
1026                 DEBUG(3,("smb_delete_group: Running the command `%s' gave %d\n",del_script,ret));
1027                 return ret;
1028         }
1029
1030         if ( winbind_delete_group( unix_group ) ) {
1031                 DEBUG(3,("smb_delete_group: winbindd deleted the group (%s)\n",
1032                         unix_group));
1033                 return 0;
1034         }
1035
1036         return -1;
1037 }
1038
1039 /****************************************************************************
1040  Set a user's primary UNIX group.
1041 ****************************************************************************/
1042 int smb_set_primary_group(const char *unix_group, const char* unix_user)
1043 {
1044         pstring add_script;
1045         int ret;
1046
1047         /* defer to scripts */
1048
1049         if ( *lp_setprimarygroup_script() ) {
1050                 pstrcpy(add_script, lp_setprimarygroup_script());
1051                 all_string_sub(add_script, "%g", unix_group, sizeof(add_script));
1052                 all_string_sub(add_script, "%u", unix_user, sizeof(add_script));
1053                 ret = smbrun(add_script,NULL);
1054                 DEBUG(3,("smb_set_primary_group: "
1055                          "Running the command `%s' gave %d\n",add_script,ret));
1056                 return ret;
1057         }
1058
1059         /* Try winbindd */
1060
1061         if ( winbind_set_user_primary_group( unix_user, unix_group ) ) {
1062                 DEBUG(3,("smb_delete_group: winbindd set the group (%s) as the primary group for user (%s)\n",
1063                         unix_group, unix_user));
1064                 return 0;
1065         }
1066
1067         return -1;
1068 }
1069
1070 /****************************************************************************
1071  Add a user to a UNIX group.
1072 ****************************************************************************/
1073
1074 int smb_add_user_group(char *unix_group, char *unix_user)
1075 {
1076         pstring add_script;
1077         int ret;
1078
1079         /* defer to scripts */
1080
1081         if ( *lp_addusertogroup_script() ) {
1082                 pstrcpy(add_script, lp_addusertogroup_script());
1083                 pstring_sub(add_script, "%g", unix_group);
1084                 pstring_sub(add_script, "%u", unix_user);
1085                 ret = smbrun(add_script,NULL);
1086                 DEBUG(3,("smb_add_user_group: Running the command `%s' gave %d\n",add_script,ret));
1087                 return ret;
1088         }
1089
1090         /* Try winbindd */
1091
1092         if ( winbind_add_user_to_group( unix_user, unix_group ) ) {
1093                 DEBUG(3,("smb_delete_group: winbindd added user (%s) to the group (%s)\n",
1094                         unix_user, unix_group));
1095                 return -1;
1096         }
1097
1098         return -1;
1099 }
1100
1101 /****************************************************************************
1102  Delete a user from a UNIX group
1103 ****************************************************************************/
1104
1105 int smb_delete_user_group(const char *unix_group, const char *unix_user)
1106 {
1107         pstring del_script;
1108         int ret;
1109
1110         /* defer to scripts */
1111
1112         if ( *lp_deluserfromgroup_script() ) {
1113                 pstrcpy(del_script, lp_deluserfromgroup_script());
1114                 pstring_sub(del_script, "%g", unix_group);
1115                 pstring_sub(del_script, "%u", unix_user);
1116                 ret = smbrun(del_script,NULL);
1117                 DEBUG(3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script,ret));
1118                 return ret;
1119         }
1120
1121         /* Try winbindd */
1122
1123         if ( winbind_remove_user_from_group( unix_user, unix_group ) ) {
1124                 DEBUG(3,("smb_delete_group: winbindd removed user (%s) from the group (%s)\n",
1125                         unix_user, unix_group));
1126                 return 0;
1127         }
1128
1129         return -1;
1130 }
1131
1132
1133 NTSTATUS pdb_default_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
1134                                  DOM_SID sid)
1135 {
1136         return get_group_map_from_sid(sid, map) ?
1137                 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1138 }
1139
1140 NTSTATUS pdb_default_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
1141                                  gid_t gid)
1142 {
1143         return get_group_map_from_gid(gid, map) ?
1144                 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1145 }
1146
1147 NTSTATUS pdb_default_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
1148                                  const char *name)
1149 {
1150         return get_group_map_from_ntname(name, map) ?
1151                 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1152 }
1153
1154 NTSTATUS pdb_default_add_group_mapping_entry(struct pdb_methods *methods,
1155                                                 GROUP_MAP *map)
1156 {
1157         return add_mapping_entry(map, TDB_INSERT) ?
1158                 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1159 }
1160
1161 NTSTATUS pdb_default_update_group_mapping_entry(struct pdb_methods *methods,
1162                                                    GROUP_MAP *map)
1163 {
1164         return add_mapping_entry(map, TDB_REPLACE) ?
1165                 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1166 }
1167
1168 NTSTATUS pdb_default_delete_group_mapping_entry(struct pdb_methods *methods,
1169                                                    DOM_SID sid)
1170 {
1171         return group_map_remove(&sid) ?
1172                 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1173 }
1174
1175 NTSTATUS pdb_default_enum_group_mapping(struct pdb_methods *methods,
1176                                            enum SID_NAME_USE sid_name_use,
1177                                            GROUP_MAP **rmap, int *num_entries,
1178                                            BOOL unix_only)
1179 {
1180         return enum_group_mapping(sid_name_use, rmap, num_entries, unix_only) ?
1181                 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1182 }
1183
1184 NTSTATUS pdb_default_find_alias(struct pdb_methods *methods,
1185                                 const char *name, DOM_SID *sid)
1186 {
1187         GROUP_MAP map;
1188
1189         if (!pdb_getgrnam(&map, name))
1190                 return NT_STATUS_NO_SUCH_ALIAS;
1191
1192         if ((map.sid_name_use != SID_NAME_WKN_GRP) &&
1193             (map.sid_name_use != SID_NAME_ALIAS))
1194                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1195
1196         sid_copy(sid, &map.sid);
1197         return NT_STATUS_OK;
1198 }
1199
1200 NTSTATUS pdb_default_create_alias(struct pdb_methods *methods,
1201                                   const char *name, uint32 *rid)
1202 {
1203         DOM_SID sid;
1204         enum SID_NAME_USE type;
1205         uint32 new_rid;
1206         gid_t gid;
1207
1208         GROUP_MAP map;
1209
1210         if (lookup_name(get_global_sam_name(), name, &sid, &type))
1211                 return NT_STATUS_ALIAS_EXISTS;
1212
1213         if (!winbind_allocate_rid(&new_rid))
1214                 return NT_STATUS_ACCESS_DENIED;
1215
1216         sid_copy(&sid, get_global_sam_sid());
1217         sid_append_rid(&sid, new_rid);
1218
1219         /* Here we allocate the gid */
1220         if (!winbind_sid_to_gid(&gid, &sid)) {
1221                 DEBUG(0, ("Could not get gid for new RID\n"));
1222                 return NT_STATUS_ACCESS_DENIED;
1223         }
1224
1225         map.gid = gid;
1226         sid_copy(&map.sid, &sid);
1227         map.sid_name_use = SID_NAME_ALIAS;
1228         fstrcpy(map.nt_name, name);
1229         fstrcpy(map.comment, "");
1230
1231         if (!pdb_add_group_mapping_entry(&map)) {
1232                 DEBUG(0, ("Could not add group mapping entry for alias %s\n",
1233                           name));
1234                 return NT_STATUS_ACCESS_DENIED;
1235         }
1236
1237         *rid = new_rid;
1238
1239         return NT_STATUS_OK;
1240 }
1241
1242 NTSTATUS pdb_default_delete_alias(struct pdb_methods *methods,
1243                                   const DOM_SID *sid)
1244 {
1245         return pdb_delete_group_mapping_entry(*sid) ?
1246                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1247 }
1248
1249 NTSTATUS pdb_default_enum_aliases(struct pdb_methods *methods,
1250                                   const DOM_SID *sid,
1251                                   uint32 start_idx, uint32 max_entries,
1252                                   uint32 *num_aliases,
1253                                   struct acct_info **info)
1254 {
1255         extern DOM_SID global_sid_Builtin;
1256
1257         GROUP_MAP *map;
1258         int i, num_maps;
1259         enum SID_NAME_USE type = SID_NAME_UNKNOWN;
1260
1261         if (sid_compare(sid, get_global_sam_sid()) == 0)
1262                 type = SID_NAME_ALIAS;
1263
1264         if (sid_compare(sid, &global_sid_Builtin) == 0)
1265                 type = SID_NAME_WKN_GRP;
1266
1267         if (!pdb_enum_group_mapping(type, &map, &num_maps, False) ||
1268             (num_maps == 0)) {
1269                 *num_aliases = 0;
1270                 *info = NULL;
1271                 goto done;
1272         }
1273
1274         if (start_idx > num_maps) {
1275                 *num_aliases = 0;
1276                 *info = NULL;
1277                 goto done;
1278         }
1279
1280         *num_aliases = num_maps - start_idx;
1281
1282         if (*num_aliases > max_entries)
1283                 *num_aliases = max_entries;
1284
1285         *info = malloc(sizeof(struct acct_info) * (*num_aliases));
1286
1287         for (i=0; i<*num_aliases; i++) {
1288                 fstrcpy((*info)[i].acct_name, map[i+start_idx].nt_name);
1289                 fstrcpy((*info)[i].acct_desc, map[i+start_idx].comment);
1290                 sid_peek_rid(&map[i].sid, &(*info)[i+start_idx].rid);
1291         }
1292
1293  done:
1294         SAFE_FREE(map);
1295         return NT_STATUS_OK;
1296 }
1297
1298 NTSTATUS pdb_default_get_aliasinfo(struct pdb_methods *methods,
1299                                    const DOM_SID *sid,
1300                                    struct acct_info *info)
1301 {
1302         GROUP_MAP map;
1303
1304         if (!pdb_getgrsid(&map, *sid))
1305                 return NT_STATUS_NO_SUCH_ALIAS;
1306
1307         fstrcpy(info->acct_name, map.nt_name);
1308         fstrcpy(info->acct_desc, map.comment);
1309         sid_peek_rid(&map.sid, &info->rid);
1310         return NT_STATUS_OK;
1311 }
1312
1313 NTSTATUS pdb_default_set_aliasinfo(struct pdb_methods *methods,
1314                                    const DOM_SID *sid,
1315                                    struct acct_info *info)
1316 {
1317         GROUP_MAP map;
1318
1319         if (!pdb_getgrsid(&map, *sid))
1320                 return NT_STATUS_NO_SUCH_ALIAS;
1321
1322         fstrcpy(map.comment, info->acct_desc);
1323
1324         if (!pdb_update_group_mapping_entry(&map))
1325                 return NT_STATUS_ACCESS_DENIED;
1326
1327         return NT_STATUS_OK;
1328 }
1329
1330 NTSTATUS pdb_default_add_aliasmem(struct pdb_methods *methods,
1331                                   const DOM_SID *alias, const DOM_SID *member)
1332 {
1333         return add_aliasmem(alias, member);
1334 }
1335
1336 NTSTATUS pdb_default_del_aliasmem(struct pdb_methods *methods,
1337                                   const DOM_SID *alias, const DOM_SID *member)
1338 {
1339         return del_aliasmem(alias, member);
1340 }
1341
1342 NTSTATUS pdb_default_enum_aliasmem(struct pdb_methods *methods,
1343                                    const DOM_SID *alias, DOM_SID **members,
1344                                    int *num_members)
1345 {
1346         return enum_aliasmem(alias, members, num_members);
1347 }
1348
1349 NTSTATUS pdb_default_alias_memberships(struct pdb_methods *methods,
1350                                        const DOM_SID *sid,
1351                                        DOM_SID **aliases, int *num)
1352 {
1353         return alias_memberships(sid, aliases, num);
1354 }
1355
1356 /**********************************************************************
1357  no ops for passdb backends that don't implement group mapping
1358  *********************************************************************/
1359
1360 NTSTATUS pdb_nop_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
1361                                  DOM_SID sid)
1362 {
1363         return NT_STATUS_UNSUCCESSFUL;
1364 }
1365
1366 NTSTATUS pdb_nop_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
1367                                  gid_t gid)
1368 {
1369         return NT_STATUS_UNSUCCESSFUL;
1370 }
1371
1372 NTSTATUS pdb_nop_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
1373                                  const char *name)
1374 {
1375         return NT_STATUS_UNSUCCESSFUL;
1376 }
1377
1378 NTSTATUS pdb_nop_add_group_mapping_entry(struct pdb_methods *methods,
1379                                                 GROUP_MAP *map)
1380 {
1381         return NT_STATUS_UNSUCCESSFUL;
1382 }
1383
1384 NTSTATUS pdb_nop_update_group_mapping_entry(struct pdb_methods *methods,
1385                                                    GROUP_MAP *map)
1386 {
1387         return NT_STATUS_UNSUCCESSFUL;
1388 }
1389
1390 NTSTATUS pdb_nop_delete_group_mapping_entry(struct pdb_methods *methods,
1391                                                    DOM_SID sid)
1392 {
1393         return NT_STATUS_UNSUCCESSFUL;
1394 }
1395
1396 NTSTATUS pdb_nop_enum_group_mapping(struct pdb_methods *methods,
1397                                            enum SID_NAME_USE sid_name_use,
1398                                            GROUP_MAP **rmap, int *num_entries,
1399                                            BOOL unix_only)
1400 {
1401         return NT_STATUS_UNSUCCESSFUL;
1402 }
1403
1404 /****************************************************************************
1405  These need to be redirected through pdb_interface.c
1406 ****************************************************************************/
1407 BOOL pdb_get_dom_grp_info(const DOM_SID *sid, struct acct_info *info)
1408 {
1409         GROUP_MAP map;
1410         BOOL res;
1411
1412         become_root();
1413         res = get_domain_group_from_sid(*sid, &map);
1414         unbecome_root();
1415
1416         if (!res)
1417                 return False;
1418
1419         fstrcpy(info->acct_name, map.nt_name);
1420         fstrcpy(info->acct_desc, map.comment);
1421         sid_peek_rid(sid, &info->rid);
1422         return True;
1423 }
1424
1425 BOOL pdb_set_dom_grp_info(const DOM_SID *sid, const struct acct_info *info)
1426 {
1427         GROUP_MAP map;
1428
1429         if (!get_domain_group_from_sid(*sid, &map))
1430                 return False;
1431
1432         fstrcpy(map.nt_name, info->acct_name);
1433         fstrcpy(map.comment, info->acct_desc);
1434
1435         return pdb_update_group_mapping_entry(&map);
1436 }
1437
1438