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