source3/utils/net_groupmap.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  *  Copyright (C) Gerald Carter                2003,
   7  *  Copyright (C) Volker Lendecke              2004
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 3 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23
  24 #include "includes.h"
  25 #include "utils/net.h"
  26
  27 /*********************************************************
  28  Figure out if the input was an NT group or a SID string.
  29  Return the SID.
  30 **********************************************************/
  31 static bool get_sid_from_input(DOM_SID *sid, char *input)
  32 {
  33         GROUP_MAP map;
  34
  35         if (StrnCaseCmp( input, "S-", 2)) {
  36                 /* Perhaps its the NT group name? */
  37                 if (!pdb_getgrnam(&map, input)) {
  38                         printf("NT Group %s doesn't exist in mapping DB\n", input);
  39                         return False;
  40                 } else {
  41                         *sid = map.sid;
  42                 }
  43         } else {
  44                 if (!string_to_sid(sid, input)) {
  45                         printf("converting sid %s from a string failed!\n", input);
  46                         return False;
  47                 }
  48         }
  49         return True;
  50 }
  51
  52 /*********************************************************
  53  Dump a GROUP_MAP entry to stdout (long or short listing)
  54 **********************************************************/
  55
  56 static void print_map_entry ( GROUP_MAP map, bool long_list )
  57 {
  58         if (!long_list)
  59                 d_printf("%s (%s) -> %s\n", map.nt_name,
  60                          sid_string_tos(&map.sid), gidtoname(map.gid));
  61         else {
  62                 d_printf("%s\n", map.nt_name);
  63                 d_printf("\tSID       : %s\n", sid_string_tos(&map.sid));
  64                 d_printf("\tUnix gid  : %d\n", map.gid);
  65                 d_printf("\tUnix group: %s\n", gidtoname(map.gid));
  66                 d_printf("\tGroup type: %s\n",
  67                          sid_type_lookup(map.sid_name_use));
  68                 d_printf("\tComment   : %s\n", map.comment);
  69         }
  70
  71 }
  72 /*********************************************************
  73  List the groups.
  74 **********************************************************/
  75 static int net_groupmap_list(int argc, const char **argv)
  76 {
  77         size_t entries;
  78         bool long_list = False;
  79         size_t i;
  80         fstring ntgroup = "";
  81         fstring sid_string = "";
  82
  83         if (opt_verbose || opt_long_list_entries)
  84                 long_list = True;
  85
  86         /* get the options */
  87         for ( i=0; i<argc; i++ ) {
  88                 if ( !StrCaseCmp(argv[i], "verbose")) {
  89                         long_list = True;
  90                 }
  91                 else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
  92                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
  93                         if ( !ntgroup[0] ) {
  94                                 d_fprintf(stderr, "must supply a name\n");
  95                                 return -1;
  96                         }
  97                 }
  98                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
  99                         fstrcpy( sid_string, get_string_param( argv[i] ) );
 100                         if ( !sid_string[0] ) {
 101                                 d_fprintf(stderr, "must supply a SID\n");
 102                                 return -1;
 103                         }
 104                 }
 105                 else {
 106                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 107                         return -1;
 108                 }
 109         }
 110
 111         /* list a single group is given a name */
 112         if ( ntgroup[0] || sid_string[0] ) {
 113                 DOM_SID sid;
 114                 GROUP_MAP map;
 115
 116                 if ( sid_string[0] )
 117                         fstrcpy( ntgroup, sid_string);
 118
 119                 if (!get_sid_from_input(&sid, ntgroup)) {
 120                         return -1;
 121                 }
 122
 123                 /* Get the current mapping from the database */
 124                 if(!pdb_getgrsid(&map, sid)) {
 125                         d_fprintf(stderr, "Failure to local group SID in the database\n");
 126                         return -1;
 127                 }
 128
 129                 print_map_entry( map, long_list );
 130         }
 131         else {
 132                 GROUP_MAP *map=NULL;
 133                 /* enumerate all group mappings */
 134                 if (!pdb_enum_group_mapping(NULL, SID_NAME_UNKNOWN, &map, &entries, ENUM_ALL_MAPPED))
 135                         return -1;
 136
 137                 for (i=0; i<entries; i++) {
 138                         print_map_entry( map[i], long_list );
 139                 }
 140
 141                 SAFE_FREE(map);
 142         }
 143
 144         return 0;
 145 }
 146
 147 /*********************************************************
 148  Add a new group mapping entry
 149 **********************************************************/
 150
 151 static int net_groupmap_add(int argc, const char **argv)
 152 {
 153         DOM_SID sid;
 154         fstring ntgroup = "";
 155         fstring unixgrp = "";
 156         fstring string_sid = "";
 157         fstring type = "";
 158         fstring ntcomment = "";
 159         enum lsa_SidType sid_type = SID_NAME_DOM_GRP;
 160         uint32 rid = 0;
 161         gid_t gid;
 162         int i;
 163         GROUP_MAP map;
 164
 165         const char *name_type;
 166
 167         ZERO_STRUCT(map);
 168
 169         /* Default is domain group. */
 170         map.sid_name_use = SID_NAME_DOM_GRP;
 171         name_type = "domain group";
 172
 173         /* get the options */
 174         for ( i=0; i<argc; i++ ) {
 175                 if ( !StrnCaseCmp(argv[i], "rid", strlen("rid")) ) {
 176                         rid = get_int_param(argv[i]);
 177                         if ( rid < DOMAIN_GROUP_RID_ADMINS ) {
 178                                 d_fprintf(stderr, "RID must be greater than %d\n", (uint32)DOMAIN_GROUP_RID_ADMINS-1);
 179                                 return -1;
 180                         }
 181                 }
 182                 else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
 183                         fstrcpy( unixgrp, get_string_param( argv[i] ) );
 184                         if ( !unixgrp[0] ) {
 185                                 d_fprintf(stderr, "must supply a name\n");
 186                                 return -1;
 187                         }
 188                 }
 189                 else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
 190                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
 191                         if ( !ntgroup[0] ) {
 192                                 d_fprintf(stderr, "must supply a name\n");
 193                                 return -1;
 194                         }
 195                 }
 196                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
 197                         fstrcpy( string_sid, get_string_param( argv[i] ) );
 198                         if ( !string_sid[0] ) {
 199                                 d_fprintf(stderr, "must supply a SID\n");
 200                                 return -1;
 201                         }
 202                 }
 203                 else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
 204                         fstrcpy( ntcomment, get_string_param( argv[i] ) );
 205                         if ( !ntcomment[0] ) {
 206                                 d_fprintf(stderr, "must supply a comment string\n");
 207                                 return -1;
 208                         }
 209                 }
 210                 else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
 211                         fstrcpy( type, get_string_param( argv[i] ) );
 212                         switch ( type[0] ) {
 213                                 case 'b':
 214                                 case 'B':
 215                                         sid_type = SID_NAME_WKN_GRP;
 216                                         name_type = "wellknown group";
 217                                         break;
 218                                 case 'd':
 219                                 case 'D':
 220                                         sid_type = SID_NAME_DOM_GRP;
 221                                         name_type = "domain group";
 222                                         break;
 223                                 case 'l':
 224                                 case 'L':
 225                                         sid_type = SID_NAME_ALIAS;
 226                                         name_type = "alias (local) group";
 227                                         break;
 228                                 default:
 229                                         d_fprintf(stderr, "unknown group type %s\n", type);
 230                                         return -1;
 231                         }
 232                 }
 233                 else {
 234                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 235                         return -1;
 236                 }
 237         }
 238
 239         if ( !unixgrp[0] ) {
 240                 d_printf("Usage: net groupmap add {rid=<int>|sid=<string>} unixgroup=<string> [type=<domain|local|builtin>] [ntgroup=<string>] [comment=<string>]\n");
 241                 return -1;
 242         }
 243
 244         if ( (gid = nametogid(unixgrp)) == (gid_t)-1 ) {
 245                 d_fprintf(stderr, "Can't lookup UNIX group %s\n", unixgrp);
 246                 return -1;
 247         }
 248
 249         {
 250                 if (pdb_getgrgid(&map, gid)) {
 251                         d_printf("Unix group %s already mapped to SID %s\n",
 252                                  unixgrp, sid_string_tos(&map.sid));
 253                         return -1;
 254                 }
 255         }
 256
 257         if ( (rid == 0) && (string_sid[0] == '\0') ) {
 258                 d_printf("No rid or sid specified, choosing a RID\n");
 259                 if (pdb_rid_algorithm()) {
 260                         rid = algorithmic_pdb_gid_to_group_rid(gid);
 261                 } else {
 262                         if (!pdb_new_rid(&rid)) {
 263                                 d_printf("Could not get new RID\n");
 264                         }
 265                 }
 266                 d_printf("Got RID %d\n", rid);
 267         }
 268
 269         /* append the rid to our own domain/machine SID if we don't have a full SID */
 270         if ( !string_sid[0] ) {
 271                 sid_copy(&sid, get_global_sam_sid());
 272                 sid_append_rid(&sid, rid);
 273                 sid_to_fstring(string_sid, &sid);
 274         }
 275
 276         if (!ntcomment[0]) {
 277                 switch (sid_type) {
 278                 case SID_NAME_WKN_GRP:
 279                         fstrcpy(ntcomment, "Wellknown Unix group");
 280                         break;
 281                 case SID_NAME_DOM_GRP:
 282                         fstrcpy(ntcomment, "Domain Unix group");
 283                         break;
 284                 case SID_NAME_ALIAS:
 285                         fstrcpy(ntcomment, "Local Unix group");
 286                         break;
 287                 default:
 288                         fstrcpy(ntcomment, "Unix group");
 289                         break;
 290                 }
 291         }
 292
 293         if (!ntgroup[0] )
 294                 fstrcpy( ntgroup, unixgrp );
 295
 296
 297         if (!NT_STATUS_IS_OK(add_initial_entry(gid, string_sid, sid_type, ntgroup, ntcomment))) {
 298                 d_fprintf(stderr, "adding entry for group %s failed!\n", ntgroup);
 299                 return -1;
 300         }
 301
 302         d_printf("Successfully added group %s to the mapping db as a %s\n",
 303                  ntgroup, name_type);
 304         return 0;
 305 }
 306
 307 static int net_groupmap_modify(int argc, const char **argv)
 308 {
 309         DOM_SID sid;
 310         GROUP_MAP map;
 311         fstring ntcomment = "";
 312         fstring type = "";
 313         fstring ntgroup = "";
 314         fstring unixgrp = "";
 315         fstring sid_string = "";
 316         enum lsa_SidType sid_type = SID_NAME_UNKNOWN;
 317         int i;
 318         gid_t gid;
 319
 320         /* get the options */
 321         for ( i=0; i<argc; i++ ) {
 322                 if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
 323                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
 324                         if ( !ntgroup[0] ) {
 325                                 d_fprintf(stderr, "must supply a name\n");
 326                                 return -1;
 327                         }
 328                 }
 329                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
 330                         fstrcpy( sid_string, get_string_param( argv[i] ) );
 331                         if ( !sid_string[0] ) {
 332                                 d_fprintf(stderr, "must supply a name\n");
 333                                 return -1;
 334                         }
 335                 }
 336                 else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
 337                         fstrcpy( ntcomment, get_string_param( argv[i] ) );
 338                         if ( !ntcomment[0] ) {
 339                                 d_fprintf(stderr, "must supply a comment string\n");
 340                                 return -1;
 341                         }
 342                 }
 343                 else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
 344                         fstrcpy( unixgrp, get_string_param( argv[i] ) );
 345                         if ( !unixgrp[0] ) {
 346                                 d_fprintf(stderr, "must supply a group name\n");
 347                                 return -1;
 348                         }
 349                 }
 350                 else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
 351                         fstrcpy( type, get_string_param( argv[i] ) );
 352                         switch ( type[0] ) {
 353                                 case 'd':
 354                                 case 'D':
 355                                         sid_type = SID_NAME_DOM_GRP;
 356                                         break;
 357                                 case 'l':
 358                                 case 'L':
 359                                         sid_type = SID_NAME_ALIAS;
 360                                         break;
 361                         }
 362                 }
 363                 else {
 364                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 365                         return -1;
 366                 }
 367         }
 368
 369         if ( !ntgroup[0] && !sid_string[0] ) {
 370                 d_printf("Usage: net groupmap modify {ntgroup=<string>|sid=<SID>} [comment=<string>] [unixgroup=<string>] [type=<domain|local>]\n");
 371                 return -1;
 372         }
 373
 374         /* give preference to the SID; if both the ntgroup name and SID
 375            are defined, use the SID and assume that the group name could be a
 376            new name */
 377
 378         if ( sid_string[0] ) {
 379                 if (!get_sid_from_input(&sid, sid_string)) {
 380                         return -1;
 381                 }
 382         }
 383         else {
 384                 if (!get_sid_from_input(&sid, ntgroup)) {
 385                         return -1;
 386                 }
 387         }
 388
 389         /* Get the current mapping from the database */
 390         if(!pdb_getgrsid(&map, sid)) {
 391                 d_fprintf(stderr, "Failure to local group SID in the database\n");
 392                 return -1;
 393         }
 394
 395         /*
 396          * Allow changing of group type only between domain and local
 397          * We disallow changing Builtin groups !!! (SID problem)
 398          */
 399         if (sid_type == SID_NAME_UNKNOWN) {
 400                 d_fprintf(stderr, "Can't map to an unknown group type.\n");
 401                 return -1;
 402         }
 403
 404         if (map.sid_name_use == SID_NAME_WKN_GRP) {
 405                 d_fprintf(stderr, "You can only change between domain and local groups.\n");
 406                 return -1;
 407         }
 408
 409         map.sid_name_use=sid_type;
 410
 411         /* Change comment if new one */
 412         if ( ntcomment[0] )
 413                 fstrcpy( map.comment, ntcomment );
 414
 415         if ( ntgroup[0] )
 416                 fstrcpy( map.nt_name, ntgroup );
 417
 418         if ( unixgrp[0] ) {
 419                 gid = nametogid( unixgrp );
 420                 if ( gid == -1 ) {
 421                         d_fprintf(stderr, "Unable to lookup UNIX group %s.  Make sure the group exists.\n",
 422                                 unixgrp);
 423                         return -1;
 424                 }
 425
 426                 map.gid = gid;
 427         }
 428
 429         if ( !NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map)) ) {
 430                 d_fprintf(stderr, "Could not update group database\n");
 431                 return -1;
 432         }
 433
 434         d_printf("Updated mapping entry for %s\n", map.nt_name);
 435
 436         return 0;
 437 }
 438
 439 static int net_groupmap_delete(int argc, const char **argv)
 440 {
 441         DOM_SID sid;
 442         fstring ntgroup = "";
 443         fstring sid_string = "";
 444         int i;
 445
 446         /* get the options */
 447         for ( i=0; i<argc; i++ ) {
 448                 if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
 449                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
 450                         if ( !ntgroup[0] ) {
 451                                 d_fprintf(stderr, "must supply a name\n");
 452                                 return -1;
 453                         }
 454                 }
 455                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
 456                         fstrcpy( sid_string, get_string_param( argv[i] ) );
 457                         if ( !sid_string[0] ) {
 458                                 d_fprintf(stderr, "must supply a SID\n");
 459                                 return -1;
 460                         }
 461                 }
 462                 else {
 463                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 464                         return -1;
 465                 }
 466         }
 467
 468         if ( !ntgroup[0] && !sid_string[0]) {
 469                 d_printf("Usage: net groupmap delete {ntgroup=<string>|sid=<SID>}\n");
 470                 return -1;
 471         }
 472
 473         /* give preference to the SID if we have that */
 474
 475         if ( sid_string[0] )
 476                 fstrcpy( ntgroup, sid_string );
 477
 478         if ( !get_sid_from_input(&sid, ntgroup) ) {
 479                 d_fprintf(stderr, "Unable to resolve group %s to a SID\n", ntgroup);
 480                 return -1;
 481         }
 482
 483         if ( !NT_STATUS_IS_OK(pdb_delete_group_mapping_entry(sid)) ) {
 484                 d_fprintf(stderr, "Failed to removing group %s from the mapping db!\n", ntgroup);
 485                 return -1;
 486         }
 487
 488         d_printf("Sucessfully removed %s from the mapping db\n", ntgroup);
 489
 490         return 0;
 491 }
 492
 493 static int net_groupmap_set(int argc, const char **argv)
 494 {
 495         const char *ntgroup = NULL;
 496         struct group *grp = NULL;
 497         GROUP_MAP map;
 498         bool have_map = False;
 499
 500         if ((argc < 1) || (argc > 2)) {
 501                 d_printf("Usage: net groupmap set \"NT Group\" "
 502                          "[\"unix group\"] [-C \"comment\"] [-L] [-D]\n");
 503                 return -1;
 504         }
 505
 506         if ( opt_localgroup && opt_domaingroup ) {
 507                 d_printf("Can only specify -L or -D, not both\n");
 508                 return -1;
 509         }
 510
 511         ntgroup = argv[0];
 512
 513         if (argc == 2) {
 514                 grp = getgrnam(argv[1]);
 515
 516                 if (grp == NULL) {
 517                         d_fprintf(stderr, "Could not find unix group %s\n", argv[1]);
 518                         return -1;
 519                 }
 520         }
 521
 522         have_map = pdb_getgrnam(&map, ntgroup);
 523
 524         if (!have_map) {
 525                 DOM_SID sid;
 526                 have_map = ( (strncmp(ntgroup, "S-", 2) == 0) &&
 527                              string_to_sid(&sid, ntgroup) &&
 528                              pdb_getgrsid(&map, sid) );
 529         }
 530
 531         if (!have_map) {
 532
 533                 /* Ok, add it */
 534
 535                 if (grp == NULL) {
 536                         d_fprintf(stderr, "Could not find group mapping for %s\n",
 537                                  ntgroup);
 538                         return -1;
 539                 }
 540
 541                 map.gid = grp->gr_gid;
 542
 543                 if (opt_rid == 0) {
 544                         if ( pdb_rid_algorithm() )
 545                                 opt_rid = algorithmic_pdb_gid_to_group_rid(map.gid);
 546                         else {
 547                                 if ( !pdb_new_rid((uint32*)&opt_rid) ) {
 548                                         d_fprintf( stderr, "Could not allocate new RID\n");
 549                                         return -1;
 550                                 }
 551                         }
 552                 }
 553
 554                 sid_copy(&map.sid, get_global_sam_sid());
 555                 sid_append_rid(&map.sid, opt_rid);
 556
 557                 map.sid_name_use = SID_NAME_DOM_GRP;
 558                 fstrcpy(map.nt_name, ntgroup);
 559                 fstrcpy(map.comment, "");
 560
 561                 if (!NT_STATUS_IS_OK(pdb_add_group_mapping_entry(&map))) {
 562                         d_fprintf(stderr, "Could not add mapping entry for %s\n",
 563                                  ntgroup);
 564                         return -1;
 565                 }
 566         }
 567
 568         /* Now we have a mapping entry, update that stuff */
 569
 570         if ( opt_localgroup || opt_domaingroup ) {
 571                 if (map.sid_name_use == SID_NAME_WKN_GRP) {
 572                         d_fprintf(stderr, "Can't change type of the BUILTIN group %s\n",
 573                                  map.nt_name);
 574                         return -1;
 575                 }
 576         }
 577
 578         if (opt_localgroup)
 579                 map.sid_name_use = SID_NAME_ALIAS;
 580
 581         if (opt_domaingroup)
 582                 map.sid_name_use = SID_NAME_DOM_GRP;
 583
 584         /* The case (opt_domaingroup && opt_localgroup) was tested for above */
 585
 586         if (strlen(opt_comment) > 0)
 587                 fstrcpy(map.comment, opt_comment);
 588
 589         if (strlen(opt_newntname) > 0)
 590                 fstrcpy(map.nt_name, opt_newntname);
 591
 592         if (grp != NULL)
 593                 map.gid = grp->gr_gid;
 594
 595         if (!NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map))) {
 596                 d_fprintf(stderr, "Could not update group mapping for %s\n", ntgroup);
 597                 return -1;
 598         }
 599
 600         return 0;
 601 }
 602
 603 static int net_groupmap_cleanup(int argc, const char **argv)
 604 {
 605         GROUP_MAP *map = NULL;
 606         size_t i, entries;
 607
 608         if (!pdb_enum_group_mapping(NULL, SID_NAME_UNKNOWN, &map, &entries,
 609                                     ENUM_ALL_MAPPED)) {
 610                 d_fprintf(stderr, "Could not list group mappings\n");
 611                 return -1;
 612         }
 613
 614         for (i=0; i<entries; i++) {
 615
 616                 if (map[i].gid == -1)
 617                         printf("Group %s is not mapped\n", map[i].nt_name);
 618
 619                 if (!sid_check_is_in_our_domain(&map[i].sid)) {
 620                         printf("Deleting mapping for NT Group %s, sid %s\n",
 621                                map[i].nt_name,
 622                                sid_string_tos(&map[i].sid));
 623                         pdb_delete_group_mapping_entry(map[i].sid);
 624                 }
 625         }
 626
 627         SAFE_FREE(map);
 628
 629         return 0;
 630 }
 631
 632 static int net_groupmap_addmem(int argc, const char **argv)
 633 {
 634         DOM_SID alias, member;
 635
 636         if ( (argc != 2) ||
 637              !string_to_sid(&alias, argv[0]) ||
 638              !string_to_sid(&member, argv[1]) ) {
 639                 d_printf("Usage: net groupmap addmem alias-sid member-sid\n");
 640                 return -1;
 641         }
 642
 643         if (!NT_STATUS_IS_OK(pdb_add_aliasmem(&alias, &member))) {
 644                 d_fprintf(stderr, "Could not add sid %s to alias %s\n",
 645                          argv[1], argv[0]);
 646                 return -1;
 647         }
 648
 649         return 0;
 650 }
 651
 652 static int net_groupmap_delmem(int argc, const char **argv)
 653 {
 654         DOM_SID alias, member;
 655
 656         if ( (argc != 2) ||
 657              !string_to_sid(&alias, argv[0]) ||
 658              !string_to_sid(&member, argv[1]) ) {
 659                 d_printf("Usage: net groupmap delmem alias-sid member-sid\n");
 660                 return -1;
 661         }
 662
 663         if (!NT_STATUS_IS_OK(pdb_del_aliasmem(&alias, &member))) {
 664                 d_fprintf(stderr, "Could not delete sid %s from alias %s\n",
 665                          argv[1], argv[0]);
 666                 return -1;
 667         }
 668
 669         return 0;
 670 }
 671
 672 static int net_groupmap_listmem(int argc, const char **argv)
 673 {
 674         DOM_SID alias;
 675         DOM_SID *members;
 676         size_t i, num;
 677
 678         if ( (argc != 1) ||
 679              !string_to_sid(&alias, argv[0]) ) {
 680                 d_printf("Usage: net groupmap listmem alias-sid\n");
 681                 return -1;
 682         }
 683
 684         members = NULL;
 685         num = 0;
 686
 687         if (!NT_STATUS_IS_OK(pdb_enum_aliasmem(&alias, &members, &num))) {
 688                 d_fprintf(stderr, "Could not list members for sid %s\n", argv[0]);
 689                 return -1;
 690         }
 691
 692         for (i = 0; i < num; i++) {
 693                 printf("%s\n", sid_string_tos(&(members[i])));
 694         }
 695
 696         TALLOC_FREE(members);
 697
 698         return 0;
 699 }
 700
 701 static bool print_alias_memberships(TALLOC_CTX *mem_ctx,
 702                                     const DOM_SID *domain_sid,
 703                                     const DOM_SID *member)
 704 {
 705         uint32 *alias_rids;
 706         size_t i, num_alias_rids;
 707
 708         alias_rids = NULL;
 709         num_alias_rids = 0;
 710
 711         if (!NT_STATUS_IS_OK(pdb_enum_alias_memberships(
 712                                      mem_ctx, domain_sid, member, 1,
 713                                      &alias_rids, &num_alias_rids))) {
 714                 d_fprintf(stderr, "Could not list memberships for sid %s\n",
 715                          sid_string_tos(member));
 716                 return False;
 717         }
 718
 719         for (i = 0; i < num_alias_rids; i++) {
 720                 DOM_SID alias;
 721                 sid_copy(&alias, domain_sid);
 722                 sid_append_rid(&alias, alias_rids[i]);
 723                 printf("%s\n", sid_string_tos(&alias));
 724         }
 725
 726         return True;
 727 }
 728
 729 static int net_groupmap_memberships(int argc, const char **argv)
 730 {
 731         TALLOC_CTX *mem_ctx;
 732         DOM_SID *domain_sid, *builtin_sid, member;
 733
 734         if ( (argc != 1) ||
 735              !string_to_sid(&member, argv[0]) ) {
 736                 d_printf("Usage: net groupmap memberof sid\n");
 737                 return -1;
 738         }
 739
 740         mem_ctx = talloc_init("net_groupmap_memberships");
 741         if (mem_ctx == NULL) {
 742                 d_fprintf(stderr, "talloc_init failed\n");
 743                 return -1;
 744         }
 745
 746         domain_sid = get_global_sam_sid();
 747         builtin_sid = string_sid_talloc(mem_ctx, "S-1-5-32");
 748         if ((domain_sid == NULL) || (builtin_sid == NULL)) {
 749                 d_fprintf(stderr, "Could not get domain sid\n");
 750                 return -1;
 751         }
 752
 753         if (!print_alias_memberships(mem_ctx, domain_sid, &member) ||
 754             !print_alias_memberships(mem_ctx, builtin_sid, &member))
 755                 return -1;
 756
 757         talloc_destroy(mem_ctx);
 758
 759         return 0;
 760 }
 761
 762 int net_help_groupmap(int argc, const char **argv)
 763 {
 764         d_printf("net groupmap add"\
 765                 "\n  Create a new group mapping\n");
 766         d_printf("net groupmap modify"\
 767                 "\n  Update a group mapping\n");
 768         d_printf("net groupmap delete"\
 769                 "\n  Remove a group mapping\n");
 770         d_printf("net groupmap addmem"\
 771                  "\n  Add a foreign alias member\n");
 772         d_printf("net groupmap delmem"\
 773                  "\n  Delete a foreign alias member\n");
 774         d_printf("net groupmap listmem"\
 775                  "\n  List foreign group members\n");
 776         d_printf("net groupmap memberships"\
 777                  "\n  List foreign group memberships\n");
 778         d_printf("net groupmap list"\
 779                 "\n  List current group map\n");
 780         d_printf("net groupmap set"\
 781                 "\n  Set group mapping\n");
 782         d_printf("net groupmap cleanup"\
 783                 "\n  Remove foreign group mapping entries\n");
 784
 785         return -1;
 786 }
 787
 788
 789 /***********************************************************
 790  migrated functionality from smbgroupedit
 791  **********************************************************/
 792 int net_groupmap(int argc, const char **argv)
 793 {
 794         struct functable func[] = {
 795                 {"add", net_groupmap_add},
 796                 {"modify", net_groupmap_modify},
 797                 {"delete", net_groupmap_delete},
 798                 {"set", net_groupmap_set},
 799                 {"cleanup", net_groupmap_cleanup},
 800                 {"addmem", net_groupmap_addmem},
 801                 {"delmem", net_groupmap_delmem},
 802                 {"listmem", net_groupmap_listmem},
 803                 {"memberships", net_groupmap_memberships},
 804                 {"list", net_groupmap_list},
 805                 {"help", net_help_groupmap},
 806                 {NULL, NULL}
 807         };
 808
 809         /* we shouldn't have silly checks like this */
 810         if (getuid() != 0) {
 811                 d_fprintf(stderr, "You must be root to edit group mappings.\n");
 812                 return -1;
 813         }
 814
 815         if ( argc )
 816                 return net_run_function(argc, argv, func, net_help_groupmap);
 817
 818         return net_help_groupmap( argc, argv );
 819 }
 820