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