source/libgpo/gpo_util.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Group Policy Object Support
   4  *  Copyright (C) Guenther Deschner 2005-2006
   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 2 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, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 #include "includes.h"
  22
  23 #ifdef HAVE_LDAP
  24
  25 #define DEFAULT_DOMAIN_POLICY "Default Domain Policy"
  26 #define DEFAULT_DOMAIN_CONTROLLERS_POLICY "Default Domain Controllers Policy"
  27
  28 /* should we store a parsed guid ? */
  29 struct gpo_table {
  30         const char *name;
  31         const char *guid_string;
  32 };
  33
  34 struct snapin_table {
  35         const char *name;
  36         const char *guid_string;
  37         ADS_STATUS (*snapin_fn)(ADS_STRUCT *, TALLOC_CTX *mem_ctx, const char *, const char *);
  38 };
  39
  40 #if 0 /* unused */
  41 static struct gpo_table gpo_default_policy[] = {
  42         { DEFAULT_DOMAIN_POLICY,
  43                 "31B2F340-016D-11D2-945F-00C04FB984F9" },
  44         { DEFAULT_DOMAIN_CONTROLLERS_POLICY,
  45                 "6AC1786C-016F-11D2-945F-00C04fB984F9" },
  46         { NULL, NULL }
  47 };
  48 #endif
  49
  50 /* the following is seen in gPCMachineExtensionNames or gPCUserExtensionNames */
  51
  52 static struct gpo_table gpo_cse_extensions[] = {
  53         { "Administrative Templates Extension",
  54                 "35378EAC-683F-11D2-A89A-00C04FBBCFA2" }, /* Registry Policy ? */
  55         { "Microsoft Disc Quota",
  56                 "3610EDA5-77EF-11D2-8DC5-00C04FA31A66" },
  57         { "EFS recovery",
  58                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
  59         { "Folder Redirection",
  60                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
  61         { "IP Security",
  62                 "E437BC1C-AA7D-11D2-A382-00C04F991E27" },
  63         { "Internet Explorer Branding",
  64                 "A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B" },
  65         { "QoS Packet Scheduler",
  66                 "426031c0-0b47-4852-b0ca-ac3d37bfcb39" },
  67         { "Scripts",
  68                 "42B5FAAE-6536-11D2-AE5A-0000F87571E3" },
  69         { "Security",
  70                 "827D319E-6EAC-11D2-A4EA-00C04F79F83A" },
  71         { "Software Installation",
  72                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
  73         { "Wireless Group Policy",
  74                 "0ACDD40C-75AC-BAA0-BF6DE7E7FE63" },
  75         { NULL, NULL }
  76 };
  77
  78 /* guess work */
  79 static struct snapin_table gpo_cse_snapin_extensions[] = {
  80         { "Administrative Templates",
  81                 "0F6B957D-509E-11D1-A7CC-0000F87571E3", gpo_snapin_handler_none },
  82         { "Certificates",
  83                 "53D6AB1D-2488-11D1-A28C-00C04FB94F17", gpo_snapin_handler_none },
  84         { "EFS recovery policy processing",
  85                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A", gpo_snapin_handler_none },
  86         { "Folder Redirection policy processing",
  87                 "25537BA6-77A8-11D2-9B6C-0000F8080861", gpo_snapin_handler_none },
  88         { "Folder Redirection",
  89                 "88E729D6-BDC1-11D1-BD2A-00C04FB9603F", gpo_snapin_handler_none },
  90         { "Registry policy processing",
  91                 "35378EAC-683F-11D2-A89A-00C04FBBCFA2", gpo_snapin_handler_none },
  92         { "Remote Installation Services",
  93                 "3060E8CE-7020-11D2-842D-00C04FA372D4", gpo_snapin_handler_none },
  94         { "Security Settings",
  95                 "803E14A0-B4FB-11D0-A0D0-00A0C90F574B", gpo_snapin_handler_security_settings },
  96         { "Security policy processing",
  97                 "827D319E-6EAC-11D2-A4EA-00C04F79F83A", gpo_snapin_handler_security_settings },
  98         { "unknown",
  99                 "3060E8D0-7020-11D2-842D-00C04FA372D4", gpo_snapin_handler_none },
 100         { "unknown2",
 101                 "53D6AB1B-2488-11D1-A28C-00C04FB94F17", gpo_snapin_handler_none },
 102         { NULL, NULL, NULL }
 103 };
 104
 105 static const char *name_to_guid_string(const char *name, struct gpo_table *table)
 106 {
 107         int i;
 108
 109         for (i = 0; table[i].name; i++) {
 110                 if (strequal(name, table[i].name)) {
 111                         return table[i].guid_string;
 112                 }
 113         }
 114
 115         return NULL;
 116 }
 117
 118 static const char *guid_string_to_name(const char *guid_string, struct gpo_table *table)
 119 {
 120         int i;
 121
 122         for (i = 0; table[i].guid_string; i++) {
 123                 if (strequal(guid_string, table[i].guid_string)) {
 124                         return table[i].name;
 125                 }
 126         }
 127
 128         return NULL;
 129 }
 130
 131 static const char *snapin_guid_string_to_name(const char *guid_string,
 132                                               struct snapin_table *table)
 133 {
 134         int i;
 135         for (i = 0; table[i].guid_string; i++) {
 136                 if (strequal(guid_string, table[i].guid_string)) {
 137                         return table[i].name;
 138                 }
 139         }
 140         return NULL;
 141 }
 142
 143 #if 0 /* unused */
 144 static const char *default_gpo_name_to_guid_string(const char *name)
 145 {
 146         return name_to_guid_string(name, gpo_default_policy);
 147 }
 148
 149 static const char *default_gpo_guid_string_to_name(const char *guid)
 150 {
 151         return guid_string_to_name(guid, gpo_default_policy);
 152 }
 153 #endif
 154
 155 const char *cse_gpo_guid_string_to_name(const char *guid)
 156 {
 157         return guid_string_to_name(guid, gpo_cse_extensions);
 158 }
 159
 160 static const char *cse_gpo_name_to_guid_string(const char *name)
 161 {
 162         return name_to_guid_string(name, gpo_cse_extensions);
 163 }
 164
 165 const char *cse_snapin_gpo_guid_string_to_name(const char *guid)
 166 {
 167         return snapin_guid_string_to_name(guid, gpo_cse_snapin_extensions);
 168 }
 169
 170 void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel)
 171 {
 172         int lvl = debuglevel;
 173         int i;
 174
 175         if (gp_ext == NULL) {
 176                 return;
 177         }
 178
 179         DEBUG(lvl,("\t---------------------\n\n"));
 180         DEBUGADD(lvl,("\tname:\t\t\t%s\n", gp_ext->gp_extension));
 181
 182         for (i=0; i< gp_ext->num_exts; i++) {
 183
 184                 DEBUGADD(lvl,("\textension:\t\t\t%s\n", gp_ext->extensions_guid[i]));
 185                 DEBUGADD(lvl,("\textension (name):\t\t\t%s\n", gp_ext->extensions[i]));
 186
 187                 DEBUGADD(lvl,("\tsnapin:\t\t\t%s\n", gp_ext->snapins_guid[i]));
 188                 DEBUGADD(lvl,("\tsnapin (name):\t\t\t%s\n", gp_ext->snapins[i]));
 189         }
 190 }
 191
 192 void dump_gpo(TALLOC_CTX *mem_ctx, struct GROUP_POLICY_OBJECT *gpo, int debuglevel)
 193 {
 194         int lvl = debuglevel;
 195
 196         if (gpo == NULL) {
 197                 return;
 198         }
 199
 200         DEBUG(lvl,("---------------------\n\n"));
 201
 202         DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
 203         DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
 204         DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
 205         DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n", GPO_VERSION_USER(gpo->version),
 206                                                         GPO_VERSION_USER(gpo->version)));
 207         DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n", GPO_VERSION_MACHINE(gpo->version),
 208                                                          GPO_VERSION_MACHINE(gpo->version)));
 209         DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
 210         DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
 211
 212         DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
 213         if (gpo->options & GPFLAGS_USER_SETTINGS_DISABLED) {
 214                 DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED "));
 215         }
 216         if (gpo->options & GPFLAGS_MACHINE_SETTINGS_DISABLED) {
 217                 DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED"));
 218         }
 219         DEBUGADD(lvl,("\n"));
 220
 221         DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
 222         DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
 223         switch (gpo->link_type) {
 224         case GP_LINK_UNKOWN:
 225                 DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
 226                 break;
 227         case GP_LINK_OU:
 228                 DEBUGADD(lvl,("GP_LINK_OU\n"));
 229                 break;
 230         case GP_LINK_DOMAIN:
 231                 DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
 232                 break;
 233         case GP_LINK_SITE:
 234                 DEBUGADD(lvl,("GP_LINK_SITE\n"));
 235                 break;
 236         case GP_LINK_MACHINE:
 237                 DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
 238                 break;
 239         default:
 240                 break;
 241         }
 242
 243         if (gpo->machine_extensions) {
 244
 245                 struct GP_EXT gp_ext;
 246                 ADS_STATUS status;
 247
 248                 DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
 249
 250                 status = ads_parse_gp_ext(mem_ctx, gpo->machine_extensions, &gp_ext);
 251                 if (!ADS_ERR_OK(status)) {
 252                         return;
 253                 }
 254                 dump_gp_ext(&gp_ext, lvl);
 255         }
 256
 257         if (gpo->user_extensions) {
 258
 259                 struct GP_EXT gp_ext;
 260                 ADS_STATUS status;
 261
 262                 DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
 263
 264                 status = ads_parse_gp_ext(mem_ctx, gpo->user_extensions, &gp_ext);
 265                 if (!ADS_ERR_OK(status)) {
 266                         return;
 267                 }
 268                 dump_gp_ext(&gp_ext, lvl);
 269         }
 270 }
 271
 272 void dump_gplink(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct GP_LINK *gp_link)
 273 {
 274         ADS_STATUS status;
 275         int i;
 276         int lvl = 10;
 277
 278         if (gp_link == NULL) {
 279                 return;
 280         }
 281
 282         DEBUG(lvl,("---------------------\n\n"));
 283
 284         DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
 285         DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
 286         switch (gp_link->gp_opts) {
 287         case GPOPTIONS_INHERIT:
 288                 DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
 289                 break;
 290         case GPOPTIONS_BLOCK_INHERITANCE:
 291                 DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
 292                 break;
 293         default:
 294                 break;
 295         }
 296
 297         DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
 298
 299         for (i = 0; i < gp_link->num_links; i++) {
 300
 301                 DEBUGADD(lvl,("---------------------\n\n"));
 302
 303                 DEBUGADD(lvl,("link: #%d\n", i + 1));
 304                 DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
 305
 306                 DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
 307                 if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
 308                         DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
 309                 }
 310                 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
 311                         DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
 312                 }
 313                 DEBUGADD(lvl,("\n"));
 314
 315                 if (ads != NULL && mem_ctx != NULL) {
 316
 317                         struct GROUP_POLICY_OBJECT gpo;
 318
 319                         status = ads_get_gpo(ads, mem_ctx, gp_link->link_names[i], NULL, NULL, &gpo);
 320                         if (!ADS_ERR_OK(status)) {
 321                                 DEBUG(lvl,("get gpo for %s failed: %s\n", gp_link->link_names[i], ads_errstr(status)));
 322                                 return;
 323                         }
 324                         dump_gpo(mem_ctx, &gpo, lvl);
 325                 }
 326         }
 327 }
 328
 329 ADS_STATUS process_extension_with_snapin(ADS_STRUCT *ads,
 330                                          TALLOC_CTX *mem_ctx,
 331                                          const char *extension_guid,
 332                                          const char *snapin_guid)
 333 {
 334         int i;
 335
 336         for (i=0; gpo_cse_snapin_extensions[i].guid_string; i++) {
 337
 338                 if (strcmp(gpo_cse_snapin_extensions[i].guid_string, snapin_guid) == 0) {
 339
 340                         return gpo_cse_snapin_extensions[i].snapin_fn(ads, mem_ctx,
 341                                                                       extension_guid, snapin_guid);
 342                 }
 343         }
 344
 345         DEBUG(10,("process_extension_with_snapin: no snapin handler for extension %s (%s) found\n",
 346                 extension_guid, snapin_guid));
 347
 348         return ADS_ERROR(LDAP_SUCCESS);
 349 }
 350
 351 ADS_STATUS gpo_process_a_gpo(ADS_STRUCT *ads,
 352                              TALLOC_CTX *mem_ctx,
 353                              struct GROUP_POLICY_OBJECT *gpo,
 354                              const char *extension_guid,
 355                              uint32 flags)
 356 {
 357         ADS_STATUS status;
 358         struct GP_EXT gp_ext;
 359         int i;
 360
 361         if (flags & GPO_LIST_FLAG_MACHINE) {
 362
 363                 if (gpo->machine_extensions) {
 364
 365                         status = ads_parse_gp_ext(mem_ctx, gpo->machine_extensions, &gp_ext);
 366
 367                         if (!ADS_ERR_OK(status)) {
 368                                 return status;
 369                         }
 370
 371                 } else {
 372                         /* nothing to apply */
 373                         return ADS_ERROR(LDAP_SUCCESS);
 374                 }
 375
 376         } else {
 377
 378                 if (gpo->user_extensions) {
 379
 380                         status = ads_parse_gp_ext(mem_ctx, gpo->user_extensions, &gp_ext);
 381
 382                         if (!ADS_ERR_OK(status)) {
 383                                 return status;
 384                         }
 385                 } else {
 386                         /* nothing to apply */
 387                         return ADS_ERROR(LDAP_SUCCESS);
 388                 }
 389         }
 390
 391         for (i=0; i<gp_ext.num_exts; i++) {
 392
 393                 if (extension_guid && !strequal(extension_guid, gp_ext.extensions_guid[i])) {
 394                         continue;
 395                 }
 396
 397                 status = process_extension_with_snapin(ads, mem_ctx, gp_ext.extensions_guid[i],
 398                                                        gp_ext.snapins_guid[i]);
 399                 if (!ADS_ERR_OK(status)) {
 400                         return status;
 401                 }
 402         }
 403
 404         return ADS_ERROR(LDAP_SUCCESS);
 405 }
 406
 407 ADS_STATUS gpo_process_gpo_list(ADS_STRUCT *ads,
 408                                 TALLOC_CTX *mem_ctx,
 409                                 struct GROUP_POLICY_OBJECT **gpo_list,
 410                                 const char *extensions_guid,
 411                                 uint32 flags)
 412 {
 413         ADS_STATUS status;
 414         struct GROUP_POLICY_OBJECT *gpo = *gpo_list;
 415
 416         for (gpo = *gpo_list; gpo; gpo = gpo->next) {
 417
 418                 status = gpo_process_a_gpo(ads, mem_ctx, gpo,
 419                                            extensions_guid, flags);
 420
 421                 if (!ADS_ERR_OK(status)) {
 422                         return status;
 423                 }
 424
 425         }
 426
 427         return ADS_ERROR(LDAP_SUCCESS);
 428 }
 429
 430 ADS_STATUS gpo_snapin_handler_none(ADS_STRUCT *ads,
 431                                    TALLOC_CTX *mem_ctx,
 432                                    const char *extension_guid,
 433                                    const char *snapin_guid)
 434 {
 435         DEBUG(10,("gpo_snapin_handler_none\n"));
 436
 437         return ADS_ERROR(LDAP_SUCCESS);
 438 }
 439
 440 ADS_STATUS gpo_snapin_handler_security_settings(ADS_STRUCT *ads,
 441                                                 TALLOC_CTX *mem_ctx,
 442                                                 const char *extension_guid,
 443                                                 const char *snapin_guid)
 444 {
 445         DEBUG(10,("gpo_snapin_handler_security_settings\n"));
 446
 447         return ADS_ERROR(LDAP_SUCCESS);
 448 }
 449
 450 ADS_STATUS gpo_lockout_policy(ADS_STRUCT *ads,
 451                               TALLOC_CTX *mem_ctx,
 452                               const char *hostname,
 453                               SAM_UNK_INFO_12 *lockout_policy)
 454 {
 455         return ADS_ERROR_NT(NT_STATUS_NOT_IMPLEMENTED);
 456 }
 457
 458 ADS_STATUS gpo_password_policy(ADS_STRUCT *ads,
 459                                TALLOC_CTX *mem_ctx,
 460                                const char *hostname,
 461                                SAM_UNK_INFO_1 *password_policy)
 462 {
 463         ADS_STATUS status;
 464         struct GROUP_POLICY_OBJECT *gpo_list;
 465         const char *attrs[] = {"distinguishedName", "userAccountControl", NULL};
 466         char *filter, *dn;
 467         LDAPMessage *res = NULL;
 468         uint32 uac;
 469
 470         filter = talloc_asprintf(mem_ctx, "(&(objectclass=user)(sAMAccountName=%s))", hostname);
 471         if (filter == NULL) {
 472                 return ADS_ERROR(LDAP_NO_MEMORY);
 473         }
 474
 475         status = ads_do_search_all(ads, ads->config.bind_path,
 476                                    LDAP_SCOPE_SUBTREE,
 477                                    filter, attrs, &res);
 478
 479         if (!ADS_ERR_OK(status)) {
 480                 return status;
 481         }
 482
 483         if (ads_count_replies(ads, res) != 1) {
 484                 ads_msgfree(ads, res);
 485                 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
 486         }
 487
 488         dn = ads_get_dn(ads, res);
 489         if (dn == NULL) {
 490                 ads_msgfree(ads, res);
 491                 return ADS_ERROR(LDAP_NO_MEMORY);
 492         }
 493
 494         if (!ads_pull_uint32(ads, res, "userAccountControl", &uac)) {
 495                 ads_msgfree(ads, res);
 496                 ads_memfree(ads, dn);
 497                 return ADS_ERROR(LDAP_NO_MEMORY);
 498         }
 499
 500         ads_msgfree(ads, res);
 501
 502         if (!(uac & UF_WORKSTATION_TRUST_ACCOUNT)) {
 503                 ads_memfree(ads, dn);
 504                 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
 505         }
 506
 507         status = ads_get_gpo_list(ads, mem_ctx, dn, GPO_LIST_FLAG_MACHINE, &gpo_list);
 508         if (!ADS_ERR_OK(status)) {
 509                 ads_memfree(ads, dn);
 510                 return status;
 511         }
 512
 513         ads_memfree(ads, dn);
 514
 515         status = gpo_process_gpo_list(ads, mem_ctx, &gpo_list,
 516                                       cse_gpo_name_to_guid_string("Security"),
 517                                       GPO_LIST_FLAG_MACHINE);
 518         if (!ADS_ERR_OK(status)) {
 519                 return status;
 520         }
 521
 522         return ADS_ERROR(LDAP_SUCCESS);
 523 }
 524
 525 /****************************************************************
 526  check wether the version number in a GROUP_POLICY_OBJECT match those of the
 527  locally stored version. If not, fetch the required policy via CIFS
 528 ****************************************************************/
 529
 530 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
 531                            TALLOC_CTX *mem_ctx,
 532                            struct GROUP_POLICY_OBJECT *gpo,
 533                            struct cli_state **cli_out)
 534 {
 535         NTSTATUS result;
 536         char *server, *share, *nt_path, *unix_path;
 537         uint32 sysvol_gpt_version = 0;
 538         char *display_name;
 539         struct cli_state *cli = NULL;
 540
 541         result = ads_gpo_explode_filesyspath(ads, mem_ctx, gpo->file_sys_path,
 542                                              &server, &share, &nt_path, &unix_path);
 543
 544         if (!NT_STATUS_IS_OK(result)) {
 545                 goto out;
 546         }
 547
 548         result = ads_gpo_get_sysvol_gpt_version(ads, mem_ctx,
 549                                                 unix_path,
 550                                                 &sysvol_gpt_version,
 551                                                 &display_name);
 552         if (!NT_STATUS_IS_OK(result) &&
 553             !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
 554                 DEBUG(10,("check_refresh_gpo: failed to get local gpt version: %s\n",
 555                         nt_errstr(result)));
 556                 goto out;
 557         }
 558
 559         while (gpo->version > sysvol_gpt_version) {
 560
 561                 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
 562
 563                 if (*cli_out == NULL) {
 564
 565                         result = cli_full_connection(&cli, global_myname(),
 566                                                      server, /* ads->config.ldap_server_name, */
 567                                                      NULL, 0,
 568                                                      share, "A:",
 569                                                      ads->auth.user_name, NULL, ads->auth.password,
 570                                                      CLI_FULL_CONNECTION_USE_KERBEROS,
 571                                                      Undefined, NULL);
 572                         if (!NT_STATUS_IS_OK(result)) {
 573                                 DEBUG(10,("check_refresh_gpo: failed to connect: %s\n", nt_errstr(result)));
 574                                 goto out;
 575                         }
 576
 577                         *cli_out = cli;
 578                 }
 579
 580                 result = ads_fetch_gpo_files(ads, mem_ctx, *cli_out, gpo);
 581                 if (!NT_STATUS_IS_OK(result)) {
 582                         goto out;
 583                 }
 584
 585                 result = ads_gpo_get_sysvol_gpt_version(ads, mem_ctx,
 586                                                         unix_path,
 587                                                         &sysvol_gpt_version,
 588                                                         &display_name);
 589                 if (!NT_STATUS_IS_OK(result)) {
 590                         DEBUG(10,("check_refresh_gpo: failed to get local gpt version: %s\n",
 591                                 nt_errstr(result)));
 592                         goto out;
 593                 }
 594
 595                 if (gpo->version == sysvol_gpt_version) {
 596                         break;
 597                 }
 598         }
 599
 600         DEBUG(10,("Name:\t\t\t%s\n", gpo->display_name));
 601         DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
 602                 sysvol_gpt_version,
 603                 GPO_VERSION_USER(sysvol_gpt_version),
 604                 GPO_VERSION_MACHINE(sysvol_gpt_version)));
 605         DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
 606                 gpo->version,
 607                 GPO_VERSION_USER(gpo->version),
 608                 GPO_VERSION_MACHINE(gpo->version)));
 609
 610         result = NT_STATUS_OK;
 611
 612  out:
 613         return result;
 614
 615 }
 616
 617 /****************************************************************
 618  check wether the version numbers in the gpo_list match the locally stored, if
 619  not, go and get each required GPO via CIFS
 620  ****************************************************************/
 621
 622 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
 623                                 TALLOC_CTX *mem_ctx,
 624                                 struct GROUP_POLICY_OBJECT *gpo_list)
 625 {
 626         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 627         struct cli_state *cli = NULL;
 628         struct GROUP_POLICY_OBJECT *gpo;
 629
 630         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 631
 632                 result = check_refresh_gpo(ads, mem_ctx, gpo, &cli);
 633                 if (!NT_STATUS_IS_OK(result)) {
 634                         goto out;
 635                 }
 636         }
 637
 638         result = NT_STATUS_OK;
 639
 640  out:
 641         if (cli) {
 642                 cli_shutdown(cli);
 643         }
 644
 645         return result;
 646 }
 647
 648 #endif /* HAVE_LDAP */