source/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 /*********************************************************
  29  utility function to parse an integer parameter from
  30  "parameter = value"
  31 **********************************************************/
  32 static uint32 get_int_param( const char* param )
  33 {
  34         char *p;
  35
  36         p = strchr( param, '=' );
  37         if ( !p )
  38                 return 0;
  39
  40         return atoi(p+1);
  41 }
  42
  43 /*********************************************************
  44  utility function to parse an integer parameter from
  45  "parameter = value"
  46 **********************************************************/
  47 static char* get_string_param( const char* param )
  48 {
  49         char *p;
  50
  51         p = strchr( param, '=' );
  52         if ( !p )
  53                 return NULL;
  54
  55         return (p+1);
  56 }
  57
  58 /*********************************************************
  59  Figure out if the input was an NT group or a SID string.
  60  Return the SID.
  61 **********************************************************/
  62 static BOOL get_sid_from_input(DOM_SID *sid, char *input)
  63 {
  64         GROUP_MAP map;
  65
  66         if (StrnCaseCmp( input, "S-", 2)) {
  67                 /* Perhaps its the NT group name? */
  68                 if (!pdb_getgrnam(&map, input)) {
  69                         printf("NT Group %s doesn't exist in mapping DB\n", input);
  70                         return False;
  71                 } else {
  72                         *sid = map.sid;
  73                 }
  74         } else {
  75                 if (!string_to_sid(sid, input)) {
  76                         printf("converting sid %s from a string failed!\n", input);
  77                         return False;
  78                 }
  79         }
  80         return True;
  81 }
  82
  83 /*********************************************************
  84  Dump a GROUP_MAP entry to stdout (long or short listing)
  85 **********************************************************/
  86
  87 static void print_map_entry ( GROUP_MAP map, BOOL long_list )
  88 {
  89         if (!long_list)
  90                 d_printf("%s (%s) -> %s\n", map.nt_name,
  91                          sid_string_static(&map.sid), gidtoname(map.gid));
  92         else {
  93                 d_printf("%s\n", map.nt_name);
  94                 d_printf("\tSID       : %s\n", sid_string_static(&map.sid));
  95                 d_printf("\tUnix gid  : %d\n", map.gid);
  96                 d_printf("\tUnix group: %s\n", gidtoname(map.gid));
  97                 d_printf("\tGroup type: %s\n",
  98                          sid_type_lookup(map.sid_name_use));
  99                 d_printf("\tComment   : %s\n", map.comment);
 100         }
 101
 102 }
 103 /*********************************************************
 104  List the groups.
 105 **********************************************************/
 106 static int net_groupmap_list(int argc, const char **argv)
 107 {
 108         size_t entries;
 109         BOOL long_list = False;
 110         size_t i;
 111         fstring ntgroup = "";
 112         fstring sid_string = "";
 113
 114         if (opt_verbose || opt_long_list_entries)
 115                 long_list = True;
 116
 117         /* get the options */
 118         for ( i=0; i<argc; i++ ) {
 119                 if ( !StrCaseCmp(argv[i], "verbose")) {
 120                         long_list = True;
 121                 }
 122                 else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
 123                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
 124                         if ( !ntgroup[0] ) {
 125                                 d_fprintf(stderr, "must supply a name\n");
 126                                 return -1;
 127                         }
 128                 }
 129                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
 130                         fstrcpy( sid_string, get_string_param( argv[i] ) );
 131                         if ( !sid_string[0] ) {
 132                                 d_fprintf(stderr, "must supply a SID\n");
 133                                 return -1;
 134                         }
 135                 }
 136                 else {
 137                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 138                         return -1;
 139                 }
 140         }
 141
 142         /* list a single group is given a name */
 143         if ( ntgroup[0] || sid_string[0] ) {
 144                 DOM_SID sid;
 145                 GROUP_MAP map;
 146
 147                 if ( sid_string[0] )
 148                         fstrcpy( ntgroup, sid_string);
 149
 150                 if (!get_sid_from_input(&sid, ntgroup)) {
 151                         return -1;
 152                 }
 153
 154                 /* Get the current mapping from the database */
 155                 if(!pdb_getgrsid(&map, sid)) {
 156                         d_fprintf(stderr, "Failure to local group SID in the database\n");
 157                         return -1;
 158                 }
 159
 160                 print_map_entry( map, long_list );
 161         }
 162         else {
 163                 GROUP_MAP *map=NULL;
 164                 /* enumerate all group mappings */
 165                 if (!pdb_enum_group_mapping(NULL, SID_NAME_UNKNOWN, &map, &entries, ENUM_ALL_MAPPED))
 166                         return -1;
 167
 168                 for (i=0; i<entries; i++) {
 169                         print_map_entry( map[i], long_list );
 170                 }
 171
 172                 SAFE_FREE(map);
 173         }
 174
 175         return 0;
 176 }
 177
 178 /*********************************************************
 179  Add a new group mapping entry
 180 **********************************************************/
 181
 182 static int net_groupmap_add(int argc, const char **argv)
 183 {
 184         DOM_SID sid;
 185         fstring ntgroup = "";
 186         fstring unixgrp = "";
 187         fstring string_sid = "";
 188         fstring type = "";
 189         fstring ntcomment = "";
 190         enum lsa_SidType sid_type = SID_NAME_DOM_GRP;
 191         uint32 rid = 0;
 192         gid_t gid;
 193         int i;
 194         GROUP_MAP map;
 195
 196         const char *name_type;
 197
 198         ZERO_STRUCT(map);
 199
 200         /* Default is domain group. */
 201         map.sid_name_use = SID_NAME_DOM_GRP;
 202         name_type = "domain group";
 203
 204         /* get the options */
 205         for ( i=0; i<argc; i++ ) {
 206                 if ( !StrnCaseCmp(argv[i], "rid", strlen("rid")) ) {
 207                         rid = get_int_param(argv[i]);
 208                         if ( rid < DOMAIN_GROUP_RID_ADMINS ) {
 209                                 d_fprintf(stderr, "RID must be greater than %d\n", (uint32)DOMAIN_GROUP_RID_ADMINS-1);
 210                                 return -1;
 211                         }
 212                 }
 213                 else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
 214                         fstrcpy( unixgrp, get_string_param( argv[i] ) );
 215                         if ( !unixgrp[0] ) {
 216                                 d_fprintf(stderr, "must supply a name\n");
 217                                 return -1;
 218                         }
 219                 }
 220                 else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
 221                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
 222                         if ( !ntgroup[0] ) {
 223                                 d_fprintf(stderr, "must supply a name\n");
 224                                 return -1;
 225                         }
 226                 }
 227                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
 228                         fstrcpy( string_sid, get_string_param( argv[i] ) );
 229                         if ( !string_sid[0] ) {
 230                                 d_fprintf(stderr, "must supply a SID\n");
 231                                 return -1;
 232                         }
 233                 }
 234                 else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
 235                         fstrcpy( ntcomment, get_string_param( argv[i] ) );
 236                         if ( !ntcomment[0] ) {
 237                                 d_fprintf(stderr, "must supply a comment string\n");
 238                                 return -1;
 239                         }
 240                 }
 241                 else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
 242                         fstrcpy( type, get_string_param( argv[i] ) );
 243                         switch ( type[0] ) {
 244                                 case 'b':
 245                                 case 'B':
 246                                         sid_type = SID_NAME_WKN_GRP;
 247                                         name_type = "wellknown group";
 248                                         break;
 249                                 case 'd':
 250                                 case 'D':
 251                                         sid_type = SID_NAME_DOM_GRP;
 252                                         name_type = "domain group";
 253                                         break;
 254                                 case 'l':
 255                                 case 'L':
 256                                         sid_type = SID_NAME_ALIAS;
 257                                         name_type = "alias (local) group";
 258                                         break;
 259                                 default:
 260                                         d_fprintf(stderr, "unknown group type %s\n", type);
 261                                         return -1;
 262                         }
 263                 }
 264                 else {
 265                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 266                         return -1;
 267                 }
 268         }
 269
 270         if ( !unixgrp[0] ) {
 271                 d_printf("Usage: net groupmap add {rid=<int>|sid=<string>} unixgroup=<string> [type=<domain|local|builtin>] [ntgroup=<string>] [comment=<string>]\n");
 272                 return -1;
 273         }
 274
 275         if ( (gid = nametogid(unixgrp)) == (gid_t)-1 ) {
 276                 d_fprintf(stderr, "Can't lookup UNIX group %s\n", unixgrp);
 277                 return -1;
 278         }
 279
 280         {
 281                 if (pdb_getgrgid(&map, gid)) {
 282                         d_printf("Unix group %s already mapped to SID %s\n",
 283                                  unixgrp, sid_string_static(&map.sid));
 284                         return -1;
 285                 }
 286         }
 287
 288         if ( (rid == 0) && (string_sid[0] == '\0') ) {
 289                 d_printf("No rid or sid specified, choosing a RID\n");
 290                 if (pdb_rid_algorithm()) {
 291                         rid = algorithmic_pdb_gid_to_group_rid(gid);
 292                 } else {
 293                         if (!pdb_new_rid(&rid)) {
 294                                 d_printf("Could not get new RID\n");
 295                         }
 296                 }
 297                 d_printf("Got RID %d\n", rid);
 298         }
 299
 300         /* append the rid to our own domain/machine SID if we don't have a full SID */
 301         if ( !string_sid[0] ) {
 302                 sid_copy(&sid, get_global_sam_sid());
 303                 sid_append_rid(&sid, rid);
 304                 sid_to_string(string_sid, &sid);
 305         }
 306
 307         if (!ntcomment[0]) {
 308                 switch (sid_type) {
 309                 case SID_NAME_WKN_GRP:
 310                         fstrcpy(ntcomment, "Wellknown Unix group");
 311                         break;
 312                 case SID_NAME_DOM_GRP:
 313                         fstrcpy(ntcomment, "Domain Unix group");
 314                         break;
 315                 case SID_NAME_ALIAS:
 316                         fstrcpy(ntcomment, "Local Unix group");
 317                         break;
 318                 default:
 319                         fstrcpy(ntcomment, "Unix group");
 320                         break;
 321                 }
 322         }
 323
 324         if (!ntgroup[0] )
 325                 fstrcpy( ntgroup, unixgrp );
 326
 327
 328         if (!NT_STATUS_IS_OK(add_initial_entry(gid, string_sid, sid_type, ntgroup, ntcomment))) {
 329                 d_fprintf(stderr, "adding entry for group %s failed!\n", ntgroup);
 330                 return -1;
 331         }
 332
 333         d_printf("Successfully added group %s to the mapping db as a %s\n",
 334                  ntgroup, name_type);
 335         return 0;
 336 }
 337
 338 static int net_groupmap_modify(int argc, const char **argv)
 339 {
 340         DOM_SID sid;
 341         GROUP_MAP map;
 342         fstring ntcomment = "";
 343         fstring type = "";
 344         fstring ntgroup = "";
 345         fstring unixgrp = "";
 346         fstring sid_string = "";
 347         enum lsa_SidType sid_type = SID_NAME_UNKNOWN;
 348         int i;
 349         gid_t gid;
 350
 351         /* get the options */
 352         for ( i=0; i<argc; i++ ) {
 353                 if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
 354                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
 355                         if ( !ntgroup[0] ) {
 356                                 d_fprintf(stderr, "must supply a name\n");
 357                                 return -1;
 358                         }
 359                 }
 360                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
 361                         fstrcpy( sid_string, get_string_param( argv[i] ) );
 362                         if ( !sid_string[0] ) {
 363                                 d_fprintf(stderr, "must supply a name\n");
 364                                 return -1;
 365                         }
 366                 }
 367                 else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
 368                         fstrcpy( ntcomment, get_string_param( argv[i] ) );
 369                         if ( !ntcomment[0] ) {
 370                                 d_fprintf(stderr, "must supply a comment string\n");
 371                                 return -1;
 372                         }
 373                 }
 374                 else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
 375                         fstrcpy( unixgrp, get_string_param( argv[i] ) );
 376                         if ( !unixgrp[0] ) {
 377                                 d_fprintf(stderr, "must supply a group name\n");
 378                                 return -1;
 379                         }
 380                 }
 381                 else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
 382                         fstrcpy( type, get_string_param( argv[i] ) );
 383                         switch ( type[0] ) {
 384                                 case 'd':
 385                                 case 'D':
 386                                         sid_type = SID_NAME_DOM_GRP;
 387                                         break;
 388                                 case 'l':
 389                                 case 'L':
 390                                         sid_type = SID_NAME_ALIAS;
 391                                         break;
 392                         }
 393                 }
 394                 else {
 395                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 396                         return -1;
 397                 }
 398         }
 399
 400         if ( !ntgroup[0] && !sid_string[0] ) {
 401                 d_printf("Usage: net groupmap modify {ntgroup=<string>|sid=<SID>} [comment=<string>] [unixgroup=<string>] [type=<domain|local>]\n");
 402                 return -1;
 403         }
 404
 405         /* give preference to the SID; if both the ntgroup name and SID
 406            are defined, use the SID and assume that the group name could be a
 407            new name */
 408
 409         if ( sid_string[0] ) {
 410                 if (!get_sid_from_input(&sid, sid_string)) {
 411                         return -1;
 412                 }
 413         }
 414         else {
 415                 if (!get_sid_from_input(&sid, ntgroup)) {
 416                         return -1;
 417                 }
 418         }
 419
 420         /* Get the current mapping from the database */
 421         if(!pdb_getgrsid(&map, sid)) {
 422                 d_fprintf(stderr, "Failure to local group SID in the database\n");
 423                 return -1;
 424         }
 425
 426         /*
 427          * Allow changing of group type only between domain and local
 428          * We disallow changing Builtin groups !!! (SID problem)
 429          */
 430         if (sid_type == SID_NAME_UNKNOWN) {
 431                 d_fprintf(stderr, "Can't map to an unknown group type.\n");
 432                 return -1;
 433         }
 434
 435         if (map.sid_name_use == SID_NAME_WKN_GRP) {
 436                 d_fprintf(stderr, "You can only change between domain and local groups.\n");
 437                 return -1;
 438         }
 439
 440         map.sid_name_use=sid_type;
 441
 442         /* Change comment if new one */
 443         if ( ntcomment[0] )
 444                 fstrcpy( map.comment, ntcomment );
 445
 446         if ( ntgroup[0] )
 447                 fstrcpy( map.nt_name, ntgroup );
 448
 449         if ( unixgrp[0] ) {
 450                 gid = nametogid( unixgrp );
 451                 if ( gid == -1 ) {
 452                         d_fprintf(stderr, "Unable to lookup UNIX group %s.  Make sure the group exists.\n",
 453                                 unixgrp);
 454                         return -1;
 455                 }
 456
 457                 map.gid = gid;
 458         }
 459
 460         if ( !NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map)) ) {
 461                 d_fprintf(stderr, "Could not update group database\n");
 462                 return -1;
 463         }
 464
 465         d_printf("Updated mapping entry for %s\n", map.nt_name);
 466
 467         return 0;
 468 }
 469
 470 static int net_groupmap_delete(int argc, const char **argv)
 471 {
 472         DOM_SID sid;
 473         fstring ntgroup = "";
 474         fstring sid_string = "";
 475         int i;
 476
 477         /* get the options */
 478         for ( i=0; i<argc; i++ ) {
 479                 if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
 480                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
 481                         if ( !ntgroup[0] ) {
 482                                 d_fprintf(stderr, "must supply a name\n");
 483                                 return -1;
 484                         }
 485                 }
 486                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
 487                         fstrcpy( sid_string, get_string_param( argv[i] ) );
 488                         if ( !sid_string[0] ) {
 489                                 d_fprintf(stderr, "must supply a SID\n");
 490                                 return -1;
 491                         }
 492                 }
 493                 else {
 494                         d_fprintf(stderr, "Bad option: %s\n", argv[i]);
 495                         return -1;
 496                 }
 497         }
 498
 499         if ( !ntgroup[0] && !sid_string[0]) {
 500                 d_printf("Usage: net groupmap delete {ntgroup=<string>|sid=<SID>}\n");
 501                 return -1;
 502         }
 503
 504         /* give preference to the SID if we have that */
 505
 506         if ( sid_string[0] )
 507                 fstrcpy( ntgroup, sid_string );
 508
 509         if ( !get_sid_from_input(&sid, ntgroup) ) {
 510                 d_fprintf(stderr, "Unable to resolve group %s to a SID\n", ntgroup);
 511                 return -1;
 512         }
 513
 514         if ( !NT_STATUS_IS_OK(pdb_delete_group_mapping_entry(sid)) ) {
 515                 d_fprintf(stderr, "Failed to removing group %s from the mapping db!\n", ntgroup);
 516                 return -1;
 517         }
 518
 519         d_printf("Sucessfully removed %s from the mapping db\n", ntgroup);
 520
 521         return 0;
 522 }
 523
 524 static int net_groupmap_set(int argc, const char **argv)
 525 {
 526         const char *ntgroup = NULL;
 527         struct group *grp = NULL;
 528         GROUP_MAP map;
 529         BOOL have_map = False;
 530
 531         if ((argc < 1) || (argc > 2)) {
 532                 d_printf("Usage: net groupmap set \"NT Group\" "
 533                          "[\"unix group\"] [-C \"comment\"] [-L] [-D]\n");
 534                 return -1;
 535         }
 536
 537         if ( opt_localgroup && opt_domaingroup ) {
 538                 d_printf("Can only specify -L or -D, not both\n");
 539                 return -1;
 540         }
 541
 542         ntgroup = argv[0];
 543
 544         if (argc == 2) {
 545                 grp = getgrnam(argv[1]);
 546
 547                 if (grp == NULL) {
 548                         d_fprintf(stderr, "Could not find unix group %s\n", argv[1]);
 549                         return -1;
 550                 }
 551         }
 552
 553         have_map = pdb_getgrnam(&map, ntgroup);
 554
 555         if (!have_map) {
 556                 DOM_SID sid;
 557                 have_map = ( (strncmp(ntgroup, "S-", 2) == 0) &&
 558                              string_to_sid(&sid, ntgroup) &&
 559                              pdb_getgrsid(&map, sid) );
 560         }
 561
 562         if (!have_map) {
 563
 564                 /* Ok, add it */
 565
 566                 if (grp == NULL) {
 567                         d_fprintf(stderr, "Could not find group mapping for %s\n",
 568                                  ntgroup);
 569                         return -1;
 570                 }
 571
 572                 map.gid = grp->gr_gid;
 573
 574                 if (opt_rid == 0) {
 575                         if ( pdb_rid_algorithm() )
 576                                 opt_rid = algorithmic_pdb_gid_to_group_rid(map.gid);
 577                         else {
 578                                 if ( !pdb_new_rid((uint32*)&opt_rid) ) {
 579                                         d_fprintf( stderr, "Could not allocate new RID\n");
 580                                         return -1;
 581                                 }
 582                         }
 583                 }
 584
 585                 sid_copy(&map.sid, get_global_sam_sid());
 586                 sid_append_rid(&map.sid, opt_rid);
 587
 588                 map.sid_name_use = SID_NAME_DOM_GRP;
 589                 fstrcpy(map.nt_name, ntgroup);
 590                 fstrcpy(map.comment, "");
 591
 592                 if (!NT_STATUS_IS_OK(pdb_add_group_mapping_entry(&map))) {
 593                         d_fprintf(stderr, "Could not add mapping entry for %s\n",
 594                                  ntgroup);
 595                         return -1;
 596                 }
 597         }
 598
 599         /* Now we have a mapping entry, update that stuff */
 600
 601         if ( opt_localgroup || opt_domaingroup ) {
 602                 if (map.sid_name_use == SID_NAME_WKN_GRP) {
 603                         d_fprintf(stderr, "Can't change type of the BUILTIN group %s\n",
 604                                  map.nt_name);
 605                         return -1;
 606                 }
 607         }
 608
 609         if (opt_localgroup)
 610                 map.sid_name_use = SID_NAME_ALIAS;
 611
 612         if (opt_domaingroup)
 613                 map.sid_name_use = SID_NAME_DOM_GRP;
 614
 615         /* The case (opt_domaingroup && opt_localgroup) was tested for above */
 616
 617         if (strlen(opt_comment) > 0)
 618                 fstrcpy(map.comment, opt_comment);
 619
 620         if (strlen(opt_newntname) > 0)
 621                 fstrcpy(map.nt_name, opt_newntname);
 622
 623         if (grp != NULL)
 624                 map.gid = grp->gr_gid;
 625
 626         if (!NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map))) {
 627                 d_fprintf(stderr, "Could not update group mapping for %s\n", ntgroup);
 628                 return -1;
 629         }
 630
 631         return 0;
 632 }
 633
 634 static int net_groupmap_cleanup(int argc, const char **argv)
 635 {
 636         GROUP_MAP *map = NULL;
 637         size_t i, entries;
 638
 639         if (!pdb_enum_group_mapping(NULL, SID_NAME_UNKNOWN, &map, &entries,
 640                                     ENUM_ALL_MAPPED)) {
 641                 d_fprintf(stderr, "Could not list group mappings\n");
 642                 return -1;
 643         }
 644
 645         for (i=0; i<entries; i++) {
 646
 647                 if (map[i].gid == -1)
 648                         printf("Group %s is not mapped\n", map[i].nt_name);
 649
 650                 if (!sid_check_is_in_our_domain(&map[i].sid)) {
 651                         printf("Deleting mapping for NT Group %s, sid %s\n",
 652                                map[i].nt_name,
 653                                sid_string_static(&map[i].sid));
 654                         pdb_delete_group_mapping_entry(map[i].sid);
 655                 }
 656         }
 657
 658         SAFE_FREE(map);
 659
 660         return 0;
 661 }
 662
 663 static int net_groupmap_addmem(int argc, const char **argv)
 664 {
 665         DOM_SID alias, member;
 666
 667         if ( (argc != 2) ||
 668              !string_to_sid(&alias, argv[0]) ||
 669              !string_to_sid(&member, argv[1]) ) {
 670                 d_printf("Usage: net groupmap addmem alias-sid member-sid\n");
 671                 return -1;
 672         }
 673
 674         if (!NT_STATUS_IS_OK(pdb_add_aliasmem(&alias, &member))) {
 675                 d_fprintf(stderr, "Could not add sid %s to alias %s\n",
 676                          argv[1], argv[0]);
 677                 return -1;
 678         }
 679
 680         return 0;
 681 }
 682
 683 static int net_groupmap_delmem(int argc, const char **argv)
 684 {
 685         DOM_SID alias, member;
 686
 687         if ( (argc != 2) ||
 688              !string_to_sid(&alias, argv[0]) ||
 689              !string_to_sid(&member, argv[1]) ) {
 690                 d_printf("Usage: net groupmap delmem alias-sid member-sid\n");
 691                 return -1;
 692         }
 693
 694         if (!NT_STATUS_IS_OK(pdb_del_aliasmem(&alias, &member))) {
 695                 d_fprintf(stderr, "Could not delete sid %s from alias %s\n",
 696                          argv[1], argv[0]);
 697                 return -1;
 698         }
 699
 700         return 0;
 701 }
 702
 703 static int net_groupmap_listmem(int argc, const char **argv)
 704 {
 705         DOM_SID alias;
 706         DOM_SID *members;
 707         size_t i, num;
 708
 709         if ( (argc != 1) ||
 710              !string_to_sid(&alias, argv[0]) ) {
 711                 d_printf("Usage: net groupmap listmem alias-sid\n");
 712                 return -1;
 713         }
 714
 715         members = NULL;
 716         num = 0;
 717
 718         if (!NT_STATUS_IS_OK(pdb_enum_aliasmem(&alias, &members, &num))) {
 719                 d_fprintf(stderr, "Could not list members for sid %s\n", argv[0]);
 720                 return -1;
 721         }
 722
 723         for (i = 0; i < num; i++) {
 724                 printf("%s\n", sid_string_static(&(members[i])));
 725         }
 726
 727         TALLOC_FREE(members);
 728
 729         return 0;
 730 }
 731
 732 static BOOL print_alias_memberships(TALLOC_CTX *mem_ctx,
 733                                     const DOM_SID *domain_sid,
 734                                     const DOM_SID *member)
 735 {
 736         uint32 *alias_rids;
 737         size_t i, num_alias_rids;
 738
 739         alias_rids = NULL;
 740         num_alias_rids = 0;
 741
 742         if (!NT_STATUS_IS_OK(pdb_enum_alias_memberships(
 743                                      mem_ctx, domain_sid, member, 1,
 744                                      &alias_rids, &num_alias_rids))) {
 745                 d_fprintf(stderr, "Could not list memberships for sid %s\n",
 746                          sid_string_static(member));
 747                 return False;
 748         }
 749
 750         for (i = 0; i < num_alias_rids; i++) {
 751                 DOM_SID alias;
 752                 sid_copy(&alias, domain_sid);
 753                 sid_append_rid(&alias, alias_rids[i]);
 754                 printf("%s\n", sid_string_static(&alias));
 755         }
 756
 757         return True;
 758 }
 759
 760 static int net_groupmap_memberships(int argc, const char **argv)
 761 {
 762         TALLOC_CTX *mem_ctx;
 763         DOM_SID *domain_sid, *builtin_sid, member;
 764
 765         if ( (argc != 1) ||
 766              !string_to_sid(&member, argv[0]) ) {
 767                 d_printf("Usage: net groupmap memberof sid\n");
 768                 return -1;
 769         }
 770
 771         mem_ctx = talloc_init("net_groupmap_memberships");
 772         if (mem_ctx == NULL) {
 773                 d_fprintf(stderr, "talloc_init failed\n");
 774                 return -1;
 775         }
 776
 777         domain_sid = get_global_sam_sid();
 778         builtin_sid = string_sid_talloc(mem_ctx, "S-1-5-32");
 779         if ((domain_sid == NULL) || (builtin_sid == NULL)) {
 780                 d_fprintf(stderr, "Could not get domain sid\n");
 781                 return -1;
 782         }
 783
 784         if (!print_alias_memberships(mem_ctx, domain_sid, &member) ||
 785             !print_alias_memberships(mem_ctx, builtin_sid, &member))
 786                 return -1;
 787
 788         talloc_destroy(mem_ctx);
 789
 790         return 0;
 791 }
 792
 793 int net_help_groupmap(int argc, const char **argv)
 794 {
 795         d_printf("net groupmap add"\
 796                 "\n  Create a new group mapping\n");
 797         d_printf("net groupmap modify"\
 798                 "\n  Update a group mapping\n");
 799         d_printf("net groupmap delete"\
 800                 "\n  Remove a group mapping\n");
 801         d_printf("net groupmap addmem"\
 802                  "\n  Add a foreign alias member\n");
 803         d_printf("net groupmap delmem"\
 804                  "\n  Delete a foreign alias member\n");
 805         d_printf("net groupmap listmem"\
 806                  "\n  List foreign group members\n");
 807         d_printf("net groupmap memberships"\
 808                  "\n  List foreign group memberships\n");
 809         d_printf("net groupmap list"\
 810                 "\n  List current group map\n");
 811         d_printf("net groupmap set"\
 812                 "\n  Set group mapping\n");
 813         d_printf("net groupmap cleanup"\
 814                 "\n  Remove foreign group mapping entries\n");
 815
 816         return -1;
 817 }
 818
 819
 820 /***********************************************************
 821  migrated functionality from smbgroupedit
 822  **********************************************************/
 823 int net_groupmap(int argc, const char **argv)
 824 {
 825         struct functable func[] = {
 826                 {"add", net_groupmap_add},
 827                 {"modify", net_groupmap_modify},
 828                 {"delete", net_groupmap_delete},
 829                 {"set", net_groupmap_set},
 830                 {"cleanup", net_groupmap_cleanup},
 831                 {"addmem", net_groupmap_addmem},
 832                 {"delmem", net_groupmap_delmem},
 833                 {"listmem", net_groupmap_listmem},
 834                 {"memberships", net_groupmap_memberships},
 835                 {"list", net_groupmap_list},
 836                 {"help", net_help_groupmap},
 837                 {NULL, NULL}
 838         };
 839
 840         /* we shouldn't have silly checks like this */
 841         if (getuid() != 0) {
 842                 d_fprintf(stderr, "You must be root to edit group mappings.\n");
 843                 return -1;
 844         }
 845
 846         if ( argc )
 847                 return net_run_function(argc, argv, func, net_help_groupmap);
 848
 849         return net_help_groupmap( argc, argv );
 850 }
 851