libgpo/gpo_ldap.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Group Policy Object Support
   4  *  Copyright (C) Guenther Deschner 2005,2007
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "includes.h"
  21 #include "libgpo/gpo.h"
  22 #include "auth.h"
  23 #if _SAMBA_BUILD_ == 4
  24 #include "libgpo/gpo_s4.h"
  25 #include "source4/libgpo/ads_convenience.h"
  26 #endif
  27 #include "../libcli/security/security.h"
  28
  29 /****************************************************************
  30  parse the raw extension string into a GP_EXT structure
  31 ****************************************************************/
  32
  33 bool ads_parse_gp_ext(TALLOC_CTX *mem_ctx,
  34                       const char *extension_raw,
  35                       struct GP_EXT **gp_ext)
  36 {
  37         bool ret = false;
  38         struct GP_EXT *ext = NULL;
  39         char **ext_list = NULL;
  40         char **ext_strings = NULL;
  41         int i;
  42
  43         if (!extension_raw) {
  44                 goto parse_error;
  45         }
  46
  47         DEBUG(20,("ads_parse_gp_ext: %s\n", extension_raw));
  48
  49         ext = talloc_zero(mem_ctx, struct GP_EXT);
  50         if (!ext) {
  51                 goto parse_error;
  52         }
  53
  54         ext_list = str_list_make(mem_ctx, extension_raw, "]");
  55         if (!ext_list) {
  56                 goto parse_error;
  57         }
  58
  59         for (i = 0; ext_list[i] != NULL; i++) {
  60                 /* no op */
  61         }
  62
  63         ext->num_exts = i;
  64
  65         if (ext->num_exts) {
  66                 ext->extensions         = talloc_zero_array(mem_ctx, char *,
  67                                                             ext->num_exts);
  68                 ext->extensions_guid    = talloc_zero_array(mem_ctx, char *,
  69                                                             ext->num_exts);
  70                 ext->snapins            = talloc_zero_array(mem_ctx, char *,
  71                                                             ext->num_exts);
  72                 ext->snapins_guid       = talloc_zero_array(mem_ctx, char *,
  73                                                             ext->num_exts);
  74         }
  75
  76         ext->gp_extension = talloc_strdup(mem_ctx, extension_raw);
  77
  78         if (!ext->extensions || !ext->extensions_guid ||
  79             !ext->snapins || !ext->snapins_guid ||
  80             !ext->gp_extension) {
  81                 goto parse_error;
  82         }
  83
  84         for (i = 0; ext_list[i] != NULL; i++) {
  85
  86                 int k;
  87                 char *p, *q;
  88
  89                 DEBUGADD(10,("extension #%d\n", i));
  90
  91                 p = ext_list[i];
  92
  93                 if (p[0] == '[') {
  94                         p++;
  95                 }
  96
  97                 ext_strings = str_list_make(mem_ctx, p, "}");
  98                 if (ext_strings == NULL) {
  99                         goto parse_error;
 100                 }
 101
 102                 for (k = 0; ext_strings[k] != NULL; k++) {
 103                         /* no op */
 104                 }
 105
 106                 q = ext_strings[0];
 107
 108                 if (q[0] == '{') {
 109                         q++;
 110                 }
 111
 112                 ext->extensions[i] = talloc_strdup(mem_ctx,
 113                                            cse_gpo_guid_string_to_name(q));
 114                 ext->extensions_guid[i] = talloc_strdup(mem_ctx, q);
 115
 116                 /* we might have no name for the guid */
 117                 if (ext->extensions_guid[i] == NULL) {
 118                         goto parse_error;
 119                 }
 120
 121                 for (k = 1; ext_strings[k] != NULL; k++) {
 122
 123                         char *m = ext_strings[k];
 124
 125                         if (m[0] == '{') {
 126                                 m++;
 127                         }
 128
 129                         /* FIXME: theoretically there could be more than one
 130                          * snapin per extension */
 131                         ext->snapins[i] = talloc_strdup(mem_ctx,
 132                                 cse_snapin_gpo_guid_string_to_name(m));
 133                         ext->snapins_guid[i] = talloc_strdup(mem_ctx, m);
 134
 135                         /* we might have no name for the guid */
 136                         if (ext->snapins_guid[i] == NULL) {
 137                                 goto parse_error;
 138                         }
 139                 }
 140         }
 141
 142         *gp_ext = ext;
 143
 144         ret = true;
 145
 146  parse_error:
 147         talloc_free(ext_list);
 148         talloc_free(ext_strings);
 149
 150         return ret;
 151 }
 152
 153 #ifdef HAVE_LDAP
 154
 155 /****************************************************************
 156  parse the raw link string into a GP_LINK structure
 157 ****************************************************************/
 158
 159 static ADS_STATUS gpo_parse_gplink(TALLOC_CTX *mem_ctx,
 160                                    const char *gp_link_raw,
 161                                    uint32_t options,
 162                                    struct GP_LINK *gp_link)
 163 {
 164         ADS_STATUS status = ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
 165         char **link_list;
 166         int i;
 167
 168         ZERO_STRUCTP(gp_link);
 169
 170         DEBUG(10,("gpo_parse_gplink: gPLink: %s\n", gp_link_raw));
 171
 172         link_list = str_list_make_v3(mem_ctx, gp_link_raw, "]");
 173         if (!link_list) {
 174                 goto parse_error;
 175         }
 176
 177         for (i = 0; link_list[i] != NULL; i++) {
 178                 /* no op */
 179         }
 180
 181         gp_link->gp_opts = options;
 182         gp_link->num_links = i;
 183
 184         if (gp_link->num_links) {
 185                 gp_link->link_names = talloc_zero_array(mem_ctx, char *,
 186                                                         gp_link->num_links);
 187                 gp_link->link_opts = talloc_zero_array(mem_ctx, uint32_t,
 188                                                        gp_link->num_links);
 189         }
 190
 191         gp_link->gp_link = talloc_strdup(mem_ctx, gp_link_raw);
 192
 193         if (!gp_link->link_names || !gp_link->link_opts || !gp_link->gp_link) {
 194                 goto parse_error;
 195         }
 196
 197         for (i = 0; link_list[i] != NULL; i++) {
 198
 199                 char *p, *q;
 200
 201                 DEBUGADD(10,("gpo_parse_gplink: processing link #%d\n", i));
 202
 203                 q = link_list[i];
 204                 if (q[0] == '[') {
 205                         q++;
 206                 };
 207
 208                 p = strchr(q, ';');
 209
 210                 if (p == NULL) {
 211                         goto parse_error;
 212                 }
 213
 214                 gp_link->link_names[i] = talloc_strdup(mem_ctx, q);
 215                 if (gp_link->link_names[i] == NULL) {
 216                         goto parse_error;
 217                 }
 218                 gp_link->link_names[i][PTR_DIFF(p, q)] = 0;
 219
 220                 gp_link->link_opts[i] = atoi(p + 1);
 221
 222                 DEBUGADD(10,("gpo_parse_gplink: link: %s\n",
 223                         gp_link->link_names[i]));
 224                 DEBUGADD(10,("gpo_parse_gplink: opt: %d\n",
 225                         gp_link->link_opts[i]));
 226
 227         }
 228
 229         status = ADS_SUCCESS;
 230
 231  parse_error:
 232         talloc_free(link_list);
 233
 234         return status;
 235 }
 236
 237 /****************************************************************
 238  helper call to get a GP_LINK structure from a linkdn
 239 ****************************************************************/
 240
 241 ADS_STATUS ads_get_gpo_link(ADS_STRUCT *ads,
 242                             TALLOC_CTX *mem_ctx,
 243                             const char *link_dn,
 244                             struct GP_LINK *gp_link_struct)
 245 {
 246         ADS_STATUS status;
 247         const char *attrs[] = {"gPLink", "gPOptions", NULL};
 248         LDAPMessage *res = NULL;
 249         const char *gp_link;
 250         uint32_t gp_options;
 251
 252         ZERO_STRUCTP(gp_link_struct);
 253
 254         status = ads_search_dn(ads, &res, link_dn, attrs);
 255         if (!ADS_ERR_OK(status)) {
 256                 DEBUG(10,("ads_get_gpo_link: search failed with %s\n",
 257                         ads_errstr(status)));
 258                 return status;
 259         }
 260
 261         if (ads_count_replies(ads, res) != 1) {
 262                 DEBUG(10,("ads_get_gpo_link: no result\n"));
 263                 ads_msgfree(ads, res);
 264                 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
 265         }
 266
 267         gp_link = ads_pull_string(ads, mem_ctx, res, "gPLink");
 268         if (gp_link == NULL) {
 269                 DEBUG(10,("ads_get_gpo_link: no 'gPLink' attribute found\n"));
 270                 ads_msgfree(ads, res);
 271                 return ADS_ERROR(LDAP_NO_SUCH_ATTRIBUTE);
 272         }
 273
 274         /* perfectly legal to have no options */
 275         if (!ads_pull_uint32(ads, res, "gPOptions", &gp_options)) {
 276                 DEBUG(10,("ads_get_gpo_link: "
 277                         "no 'gPOptions' attribute found\n"));
 278                 gp_options = 0;
 279         }
 280
 281         ads_msgfree(ads, res);
 282
 283         return gpo_parse_gplink(mem_ctx, gp_link, gp_options, gp_link_struct);
 284 }
 285
 286 /****************************************************************
 287  helper call to add a gp link
 288 ****************************************************************/
 289
 290 ADS_STATUS ads_add_gpo_link(ADS_STRUCT *ads,
 291                             TALLOC_CTX *mem_ctx,
 292                             const char *link_dn,
 293                             const char *gpo_dn,
 294                             uint32_t gpo_opt)
 295 {
 296         ADS_STATUS status;
 297         const char *attrs[] = {"gPLink", NULL};
 298         LDAPMessage *res = NULL;
 299         const char *gp_link, *gp_link_new;
 300         ADS_MODLIST mods;
 301
 302         /* although ADS allows to set anything here, we better check here if
 303          * the gpo_dn is sane */
 304
 305         if (!strnequal(gpo_dn, "LDAP://CN={", strlen("LDAP://CN={")) != 0) {
 306                 return ADS_ERROR(LDAP_INVALID_DN_SYNTAX);
 307         }
 308
 309         status = ads_search_dn(ads, &res, link_dn, attrs);
 310         if (!ADS_ERR_OK(status)) {
 311                 DEBUG(10,("ads_add_gpo_link: search failed with %s\n",
 312                         ads_errstr(status)));
 313                 return status;
 314         }
 315
 316         if (ads_count_replies(ads, res) != 1) {
 317                 DEBUG(10,("ads_add_gpo_link: no result\n"));
 318                 ads_msgfree(ads, res);
 319                 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
 320         }
 321
 322         gp_link = ads_pull_string(ads, mem_ctx, res, "gPLink");
 323         if (gp_link == NULL) {
 324                 gp_link_new = talloc_asprintf(mem_ctx, "[%s;%d]",
 325                         gpo_dn, gpo_opt);
 326         } else {
 327                 gp_link_new = talloc_asprintf(mem_ctx, "%s[%s;%d]",
 328                         gp_link, gpo_dn, gpo_opt);
 329         }
 330
 331         ads_msgfree(ads, res);
 332         ADS_ERROR_HAVE_NO_MEMORY(gp_link_new);
 333
 334         mods = ads_init_mods(mem_ctx);
 335         ADS_ERROR_HAVE_NO_MEMORY(mods);
 336
 337         status = ads_mod_str(mem_ctx, &mods, "gPLink", gp_link_new);
 338         if (!ADS_ERR_OK(status)) {
 339                 return status;
 340         }
 341
 342         return ads_gen_mod(ads, link_dn, mods);
 343 }
 344
 345 /****************************************************************
 346  helper call to delete add a gp link
 347 ****************************************************************/
 348
 349 /* untested & broken */
 350 ADS_STATUS ads_delete_gpo_link(ADS_STRUCT *ads,
 351                                TALLOC_CTX *mem_ctx,
 352                                const char *link_dn,
 353                                const char *gpo_dn)
 354 {
 355         ADS_STATUS status;
 356         const char *attrs[] = {"gPLink", NULL};
 357         LDAPMessage *res = NULL;
 358         const char *gp_link, *gp_link_new = NULL;
 359         ADS_MODLIST mods;
 360
 361         /* check for a sane gpo_dn */
 362         if (gpo_dn[0] != '[') {
 363                 DEBUG(10,("ads_delete_gpo_link: first char not: [\n"));
 364                 return ADS_ERROR(LDAP_INVALID_DN_SYNTAX);
 365         }
 366
 367         if (gpo_dn[strlen(gpo_dn)] != ']') {
 368                 DEBUG(10,("ads_delete_gpo_link: last char not: ]\n"));
 369                 return ADS_ERROR(LDAP_INVALID_DN_SYNTAX);
 370         }
 371
 372         status = ads_search_dn(ads, &res, link_dn, attrs);
 373         if (!ADS_ERR_OK(status)) {
 374                 DEBUG(10,("ads_delete_gpo_link: search failed with %s\n",
 375                         ads_errstr(status)));
 376                 return status;
 377         }
 378
 379         if (ads_count_replies(ads, res) != 1) {
 380                 DEBUG(10,("ads_delete_gpo_link: no result\n"));
 381                 ads_msgfree(ads, res);
 382                 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
 383         }
 384
 385         gp_link = ads_pull_string(ads, mem_ctx, res, "gPLink");
 386         if (gp_link == NULL) {
 387                 return ADS_ERROR(LDAP_NO_SUCH_ATTRIBUTE);
 388         }
 389
 390         /* find link to delete */
 391         /* gp_link_new = talloc_asprintf(mem_ctx, "%s[%s;%d]", gp_link,
 392                                          gpo_dn, gpo_opt); */
 393
 394         ads_msgfree(ads, res);
 395         ADS_ERROR_HAVE_NO_MEMORY(gp_link_new);
 396
 397         mods = ads_init_mods(mem_ctx);
 398         ADS_ERROR_HAVE_NO_MEMORY(mods);
 399
 400         status = ads_mod_str(mem_ctx, &mods, "gPLink", gp_link_new);
 401         if (!ADS_ERR_OK(status)) {
 402                 return status;
 403         }
 404
 405         return ads_gen_mod(ads, link_dn, mods);
 406 }
 407
 408 /****************************************************************
 409  parse a GROUP_POLICY_OBJECT structure from an LDAPMessage result
 410 ****************************************************************/
 411
 412  ADS_STATUS ads_parse_gpo(ADS_STRUCT *ads,
 413                           TALLOC_CTX *mem_ctx,
 414                           LDAPMessage *res,
 415                           const char *gpo_dn,
 416                           struct GROUP_POLICY_OBJECT *gpo)
 417 {
 418         ZERO_STRUCTP(gpo);
 419
 420         ADS_ERROR_HAVE_NO_MEMORY(res);
 421
 422         if (gpo_dn) {
 423                 gpo->ds_path = talloc_strdup(mem_ctx, gpo_dn);
 424         } else {
 425                 gpo->ds_path = ads_get_dn(ads, mem_ctx, res);
 426         }
 427
 428         ADS_ERROR_HAVE_NO_MEMORY(gpo->ds_path);
 429
 430         if (!ads_pull_uint32(ads, res, "versionNumber", &gpo->version)) {
 431                 return ADS_ERROR(LDAP_NO_MEMORY);
 432         }
 433
 434         if (!ads_pull_uint32(ads, res, "flags", &gpo->options)) {
 435                 return ADS_ERROR(LDAP_NO_MEMORY);
 436         }
 437
 438         gpo->file_sys_path = ads_pull_string(ads, mem_ctx, res,
 439                 "gPCFileSysPath");
 440         ADS_ERROR_HAVE_NO_MEMORY(gpo->file_sys_path);
 441
 442         gpo->display_name = ads_pull_string(ads, mem_ctx, res,
 443                 "displayName");
 444         ADS_ERROR_HAVE_NO_MEMORY(gpo->display_name);
 445
 446         gpo->name = ads_pull_string(ads, mem_ctx, res,
 447                 "name");
 448         ADS_ERROR_HAVE_NO_MEMORY(gpo->name);
 449
 450         gpo->machine_extensions = ads_pull_string(ads, mem_ctx, res,
 451                 "gPCMachineExtensionNames");
 452         gpo->user_extensions = ads_pull_string(ads, mem_ctx, res,
 453                 "gPCUserExtensionNames");
 454
 455         ads_pull_sd(ads, mem_ctx, res, "ntSecurityDescriptor",
 456                 &gpo->security_descriptor);
 457         ADS_ERROR_HAVE_NO_MEMORY(gpo->security_descriptor);
 458
 459         return ADS_ERROR(LDAP_SUCCESS);
 460 }
 461
 462 /****************************************************************
 463  get a GROUP_POLICY_OBJECT structure based on different input parameters
 464 ****************************************************************/
 465
 466 ADS_STATUS ads_get_gpo(ADS_STRUCT *ads,
 467                        TALLOC_CTX *mem_ctx,
 468                        const char *gpo_dn,
 469                        const char *display_name,
 470                        const char *guid_name,
 471                        struct GROUP_POLICY_OBJECT *gpo)
 472 {
 473         ADS_STATUS status;
 474         LDAPMessage *res = NULL;
 475         char *dn;
 476         const char *filter;
 477         const char *attrs[] = {
 478                 "cn",
 479                 "displayName",
 480                 "flags",
 481                 "gPCFileSysPath",
 482                 "gPCFunctionalityVersion",
 483                 "gPCMachineExtensionNames",
 484                 "gPCUserExtensionNames",
 485                 "gPCWQLFilter",
 486                 "name",
 487                 "ntSecurityDescriptor",
 488                 "versionNumber",
 489                 NULL};
 490         uint32_t sd_flags = SECINFO_DACL;
 491
 492         ZERO_STRUCTP(gpo);
 493
 494         if (!gpo_dn && !display_name && !guid_name) {
 495                 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
 496         }
 497
 498         if (gpo_dn) {
 499
 500                 if (strnequal(gpo_dn, "LDAP://", strlen("LDAP://")) != 0) {
 501                         gpo_dn = gpo_dn + strlen("LDAP://");
 502                 }
 503
 504                 status = ads_search_retry_dn_sd_flags(ads, &res,
 505                                                       sd_flags,
 506                                                       gpo_dn, attrs);
 507
 508         } else if (display_name || guid_name) {
 509
 510                 filter = talloc_asprintf(mem_ctx,
 511                                  "(&(objectclass=groupPolicyContainer)(%s=%s))",
 512                                  display_name ? "displayName" : "name",
 513                                  display_name ? display_name : guid_name);
 514                 ADS_ERROR_HAVE_NO_MEMORY(filter);
 515
 516                 status = ads_do_search_all_sd_flags(ads, ads->config.bind_path,
 517                                                     LDAP_SCOPE_SUBTREE, filter,
 518                                                     attrs, sd_flags, &res);
 519         }
 520
 521         if (!ADS_ERR_OK(status)) {
 522                 DEBUG(10,("ads_get_gpo: search failed with %s\n",
 523                         ads_errstr(status)));
 524                 return status;
 525         }
 526
 527         if (ads_count_replies(ads, res) != 1) {
 528                 DEBUG(10,("ads_get_gpo: no result\n"));
 529                 ads_msgfree(ads, res);
 530                 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
 531         }
 532
 533         dn = ads_get_dn(ads, mem_ctx, res);
 534         if (dn == NULL) {
 535                 ads_msgfree(ads, res);
 536                 return ADS_ERROR(LDAP_NO_MEMORY);
 537         }
 538
 539         status = ads_parse_gpo(ads, mem_ctx, res, dn, gpo);
 540         ads_msgfree(ads, res);
 541         TALLOC_FREE(dn);
 542
 543         return status;
 544 }
 545
 546 /****************************************************************
 547  add a gplink to the GROUP_POLICY_OBJECT linked list
 548 ****************************************************************/
 549
 550 static ADS_STATUS add_gplink_to_gpo_list(ADS_STRUCT *ads,
 551                                          TALLOC_CTX *mem_ctx,
 552                                          struct GROUP_POLICY_OBJECT **gpo_list,
 553                                          const char *link_dn,
 554                                          struct GP_LINK *gp_link,
 555                                          enum GPO_LINK_TYPE link_type,
 556                                          bool only_add_forced_gpos,
 557                                          const struct security_token *token)
 558 {
 559         ADS_STATUS status;
 560         int i;
 561
 562         for (i = 0; i < gp_link->num_links; i++) {
 563
 564                 struct GROUP_POLICY_OBJECT *new_gpo = NULL;
 565
 566                 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
 567                         DEBUG(10,("skipping disabled GPO\n"));
 568                         continue;
 569                 }
 570
 571                 if (only_add_forced_gpos) {
 572
 573                         if (!(gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED)) {
 574                                 DEBUG(10,("skipping nonenforced GPO link "
 575                                         "because GPOPTIONS_BLOCK_INHERITANCE "
 576                                         "has been set\n"));
 577                                 continue;
 578                         } else {
 579                                 DEBUG(10,("adding enforced GPO link although "
 580                                         "the GPOPTIONS_BLOCK_INHERITANCE "
 581                                         "has been set\n"));
 582                         }
 583                 }
 584
 585                 new_gpo = talloc_zero(mem_ctx, struct GROUP_POLICY_OBJECT);
 586                 ADS_ERROR_HAVE_NO_MEMORY(new_gpo);
 587
 588                 status = ads_get_gpo(ads, mem_ctx, gp_link->link_names[i],
 589                                      NULL, NULL, new_gpo);
 590                 if (!ADS_ERR_OK(status)) {
 591                         DEBUG(10,("failed to get gpo: %s\n",
 592                                 gp_link->link_names[i]));
 593                         return status;
 594                 }
 595
 596                 status = ADS_ERROR_NT(gpo_apply_security_filtering(new_gpo,
 597                                                                    token));
 598                 if (!ADS_ERR_OK(status)) {
 599                         DEBUG(10,("skipping GPO \"%s\" as object "
 600                                 "has no access to it\n",
 601                                 new_gpo->display_name));
 602                         talloc_free(new_gpo);
 603                         continue;
 604                 }
 605
 606                 new_gpo->link = link_dn;
 607                 new_gpo->link_type = link_type;
 608
 609                 DLIST_ADD(*gpo_list, new_gpo);
 610
 611                 DEBUG(10,("add_gplink_to_gplist: added GPLINK #%d %s "
 612                         "to GPO list\n", i, gp_link->link_names[i]));
 613         }
 614
 615         return ADS_ERROR(LDAP_SUCCESS);
 616 }
 617
 618 /****************************************************************
 619 ****************************************************************/
 620
 621 ADS_STATUS ads_get_sid_token(ADS_STRUCT *ads,
 622                              TALLOC_CTX *mem_ctx,
 623                              const char *dn,
 624                              struct security_token **token)
 625 {
 626         ADS_STATUS status;
 627         struct dom_sid object_sid;
 628         struct dom_sid primary_group_sid;
 629         struct dom_sid *ad_token_sids;
 630         size_t num_ad_token_sids = 0;
 631         struct dom_sid *token_sids;
 632         uint32_t num_token_sids = 0;
 633         struct security_token *new_token = NULL;
 634         int i;
 635
 636         status = ads_get_tokensids(ads, mem_ctx, dn,
 637                                    &object_sid, &primary_group_sid,
 638                                    &ad_token_sids, &num_ad_token_sids);
 639         if (!ADS_ERR_OK(status)) {
 640                 return status;
 641         }
 642
 643         token_sids = talloc_array(mem_ctx, struct dom_sid, 1);
 644         ADS_ERROR_HAVE_NO_MEMORY(token_sids);
 645
 646         status = ADS_ERROR_NT(add_sid_to_array_unique(mem_ctx,
 647                                                       &primary_group_sid,
 648                                                       &token_sids,
 649                                                       &num_token_sids));
 650         if (!ADS_ERR_OK(status)) {
 651                 return status;
 652         }
 653
 654         for (i = 0; i < num_ad_token_sids; i++) {
 655
 656                 if (sid_check_is_in_builtin(&ad_token_sids[i])) {
 657                         continue;
 658                 }
 659
 660                 status = ADS_ERROR_NT(add_sid_to_array_unique(mem_ctx,
 661                                                               &ad_token_sids[i],
 662                                                               &token_sids,
 663                                                               &num_token_sids));
 664                 if (!ADS_ERR_OK(status)) {
 665                         return status;
 666                 }
 667         }
 668
 669         new_token = create_local_nt_token(mem_ctx, &object_sid, false,
 670                                           num_token_sids, token_sids);
 671         ADS_ERROR_HAVE_NO_MEMORY(new_token);
 672
 673         *token = new_token;
 674
 675         security_token_debug(DBGC_CLASS, 5, *token);
 676
 677         return ADS_ERROR_LDAP(LDAP_SUCCESS);
 678 }
 679
 680 /****************************************************************
 681 ****************************************************************/
 682
 683 static ADS_STATUS add_local_policy_to_gpo_list(TALLOC_CTX *mem_ctx,
 684                                                struct GROUP_POLICY_OBJECT **gpo_list,
 685                                                enum GPO_LINK_TYPE link_type)
 686 {
 687         struct GROUP_POLICY_OBJECT *gpo = NULL;
 688
 689         ADS_ERROR_HAVE_NO_MEMORY(gpo_list);
 690
 691         gpo = talloc_zero(mem_ctx, struct GROUP_POLICY_OBJECT);
 692         ADS_ERROR_HAVE_NO_MEMORY(gpo);
 693
 694         gpo->name = talloc_strdup(mem_ctx, "Local Policy");
 695         ADS_ERROR_HAVE_NO_MEMORY(gpo->name);
 696
 697         gpo->display_name = talloc_strdup(mem_ctx, "Local Policy");
 698         ADS_ERROR_HAVE_NO_MEMORY(gpo->display_name);
 699
 700         gpo->link_type = link_type;
 701
 702         DLIST_ADD(*gpo_list, gpo);
 703
 704         return ADS_ERROR_NT(NT_STATUS_OK);
 705 }
 706
 707 /****************************************************************
 708  get the full list of GROUP_POLICY_OBJECTs for a given dn
 709 ****************************************************************/
 710
 711 ADS_STATUS ads_get_gpo_list(ADS_STRUCT *ads,
 712                             TALLOC_CTX *mem_ctx,
 713                             const char *dn,
 714                             uint32_t flags,
 715                             const struct security_token *token,
 716                             struct GROUP_POLICY_OBJECT **gpo_list)
 717 {
 718         /* (L)ocal (S)ite (D)omain (O)rganizational(U)nit */
 719
 720         ADS_STATUS status;
 721         struct GP_LINK gp_link;
 722         const char *parent_dn, *site_dn, *tmp_dn;
 723         bool add_only_forced_gpos = false;
 724
 725         ZERO_STRUCTP(gpo_list);
 726
 727         if (!dn) {
 728                 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 729         }
 730
 731         if (!ads_set_sasl_wrap_flags(ads, ADS_AUTH_SASL_SIGN)) {
 732                 return ADS_ERROR(LDAP_INVALID_CREDENTIALS);
 733         }
 734
 735         DEBUG(10,("ads_get_gpo_list: getting GPO list for [%s]\n", dn));
 736
 737         /* (L)ocal */
 738         status = add_local_policy_to_gpo_list(mem_ctx, gpo_list,
 739                                               GP_LINK_LOCAL);
 740         if (!ADS_ERR_OK(status)) {
 741                 return status;
 742         }
 743
 744         /* (S)ite */
 745
 746         /* are site GPOs valid for users as well ??? */
 747         if (flags & GPO_LIST_FLAG_MACHINE) {
 748
 749                 status = ads_site_dn_for_machine(ads, mem_ctx,
 750                                                  ads->config.ldap_server_name,
 751                                                  &site_dn);
 752                 if (!ADS_ERR_OK(status)) {
 753                         return status;
 754                 }
 755
 756                 DEBUG(10,("ads_get_gpo_list: query SITE: [%s] for GPOs\n",
 757                         site_dn));
 758
 759                 status = ads_get_gpo_link(ads, mem_ctx, site_dn, &gp_link);
 760                 if (ADS_ERR_OK(status)) {
 761
 762                         if (DEBUGLEVEL >= 100) {
 763                                 dump_gplink(ads, mem_ctx, &gp_link);
 764                         }
 765
 766                         status = add_gplink_to_gpo_list(ads, mem_ctx, gpo_list,
 767                                                         site_dn, &gp_link,
 768                                                         GP_LINK_SITE,
 769                                                         add_only_forced_gpos,
 770                                                         token);
 771                         if (!ADS_ERR_OK(status)) {
 772                                 return status;
 773                         }
 774
 775                         if (flags & GPO_LIST_FLAG_SITEONLY) {
 776                                 return ADS_ERROR(LDAP_SUCCESS);
 777                         }
 778
 779                         /* inheritance can't be blocked at the site level */
 780                 }
 781         }
 782
 783         tmp_dn = dn;
 784
 785         while ((parent_dn = ads_parent_dn(tmp_dn)) &&
 786                (!strequal(parent_dn, ads_parent_dn(ads->config.bind_path)))) {
 787
 788                 /* (D)omain */
 789
 790                 /* An account can just be a member of one domain */
 791                 if (strncmp(parent_dn, "DC=", strlen("DC=")) == 0) {
 792
 793                         DEBUG(10,("ads_get_gpo_list: query DC: [%s] for GPOs\n",
 794                                 parent_dn));
 795
 796                         status = ads_get_gpo_link(ads, mem_ctx, parent_dn,
 797                                                   &gp_link);
 798                         if (ADS_ERR_OK(status)) {
 799
 800                                 if (DEBUGLEVEL >= 100) {
 801                                         dump_gplink(ads, mem_ctx, &gp_link);
 802                                 }
 803
 804                                 /* block inheritance from now on */
 805                                 if (gp_link.gp_opts &
 806                                     GPOPTIONS_BLOCK_INHERITANCE) {
 807                                         add_only_forced_gpos = true;
 808                                 }
 809
 810                                 status = add_gplink_to_gpo_list(ads,
 811                                                         mem_ctx,
 812                                                         gpo_list,
 813                                                         parent_dn,
 814                                                         &gp_link,
 815                                                         GP_LINK_DOMAIN,
 816                                                         add_only_forced_gpos,
 817                                                         token);
 818                                 if (!ADS_ERR_OK(status)) {
 819                                         return status;
 820                                 }
 821                         }
 822                 }
 823
 824                 tmp_dn = parent_dn;
 825         }
 826
 827         /* reset dn again */
 828         tmp_dn = dn;
 829
 830         while ((parent_dn = ads_parent_dn(tmp_dn)) &&
 831                (!strequal(parent_dn, ads_parent_dn(ads->config.bind_path)))) {
 832
 833
 834                 /* (O)rganizational(U)nit */
 835
 836                 /* An account can be a member of more OUs */
 837                 if (strncmp(parent_dn, "OU=", strlen("OU=")) == 0) {
 838
 839                         DEBUG(10,("ads_get_gpo_list: query OU: [%s] for GPOs\n",
 840                                 parent_dn));
 841
 842                         status = ads_get_gpo_link(ads, mem_ctx, parent_dn,
 843                                                   &gp_link);
 844                         if (ADS_ERR_OK(status)) {
 845
 846                                 if (DEBUGLEVEL >= 100) {
 847                                         dump_gplink(ads, mem_ctx, &gp_link);
 848                                 }
 849
 850                                 /* block inheritance from now on */
 851                                 if (gp_link.gp_opts &
 852                                     GPOPTIONS_BLOCK_INHERITANCE) {
 853                                         add_only_forced_gpos = true;
 854                                 }
 855
 856                                 status = add_gplink_to_gpo_list(ads,
 857                                                         mem_ctx,
 858                                                         gpo_list,
 859                                                         parent_dn,
 860                                                         &gp_link,
 861                                                         GP_LINK_OU,
 862                                                         add_only_forced_gpos,
 863                                                         token);
 864                                 if (!ADS_ERR_OK(status)) {
 865                                         return status;
 866                                 }
 867                         }
 868                 }
 869
 870                 tmp_dn = parent_dn;
 871
 872         };
 873
 874         return ADS_ERROR(LDAP_SUCCESS);
 875 }
 876
 877 #endif /* HAVE_LDAP */