source/libgpo/gpo_util.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
  22 #define DEFAULT_DOMAIN_POLICY "Default Domain Policy"
  23 #define DEFAULT_DOMAIN_CONTROLLERS_POLICY "Default Domain Controllers Policy"
  24
  25 /* should we store a parsed guid ? */
  26 struct gp_table {
  27         const char *name;
  28         const char *guid_string;
  29 };
  30
  31 #if 0 /* unused */
  32 static struct gp_table gpo_default_policy[] = {
  33         { DEFAULT_DOMAIN_POLICY,
  34                 "31B2F340-016D-11D2-945F-00C04FB984F9" },
  35         { DEFAULT_DOMAIN_CONTROLLERS_POLICY,
  36                 "6AC1786C-016F-11D2-945F-00C04fB984F9" },
  37         { NULL, NULL }
  38 };
  39 #endif
  40
  41 /* the following is seen in gPCMachineExtensionNames / gPCUserExtensionNames */
  42
  43 static struct gp_table gpo_cse_extensions[] = {
  44         /* used to be "Administrative Templates Extension" */
  45         /* "Registry Settings"
  46         (http://support.microsoft.com/kb/216357/EN-US/) */
  47         { "Registry Settings",
  48                 GP_EXT_GUID_REGISTRY },
  49         { "Microsoft Disc Quota",
  50                 "3610EDA5-77EF-11D2-8DC5-00C04FA31A66" },
  51         { "EFS recovery",
  52                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
  53         { "Folder Redirection",
  54                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
  55         { "IP Security",
  56                 "E437BC1C-AA7D-11D2-A382-00C04F991E27" },
  57         { "Internet Explorer Branding",
  58                 "A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B" },
  59         { "QoS Packet Scheduler",
  60                 "426031c0-0b47-4852-b0ca-ac3d37bfcb39" },
  61         { "Scripts",
  62                 GP_EXT_GUID_SCRIPTS },
  63         { "Security",
  64                 GP_EXT_GUID_SECURITY },
  65         { "Software Installation",
  66                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
  67         { "Wireless Group Policy",
  68                 "0ACDD40C-75AC-BAA0-BF6DE7E7FE63" },
  69         { "Application Management",
  70                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
  71         { "unknown",
  72                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
  73         { NULL, NULL }
  74 };
  75
  76 /* guess work */
  77 static struct gp_table gpo_cse_snapin_extensions[] = {
  78         { "Administrative Templates",
  79                 "0F6B957D-509E-11D1-A7CC-0000F87571E3" },
  80         { "Certificates",
  81                 "53D6AB1D-2488-11D1-A28C-00C04FB94F17" },
  82         { "EFS recovery policy processing",
  83                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
  84         { "Folder Redirection policy processing",
  85                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
  86         { "Folder Redirection",
  87                 "88E729D6-BDC1-11D1-BD2A-00C04FB9603F" },
  88         { "Registry policy processing",
  89                 "35378EAC-683F-11D2-A89A-00C04FBBCFA2" },
  90         { "Remote Installation Services",
  91                 "3060E8CE-7020-11D2-842D-00C04FA372D4" },
  92         { "Security Settings",
  93                 "803E14A0-B4FB-11D0-A0D0-00A0C90F574B" },
  94         { "Security policy processing",
  95                 "827D319E-6EAC-11D2-A4EA-00C04F79F83A" },
  96         { "unknown",
  97                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
  98         { "unknown2",
  99                 "53D6AB1B-2488-11D1-A28C-00C04FB94F17" },
 100         { NULL, NULL }
 101 };
 102
 103 /****************************************************************
 104 ****************************************************************/
 105
 106 static const char *name_to_guid_string(const char *name,
 107                                        struct gp_table *table)
 108 {
 109         int i;
 110
 111         for (i = 0; table[i].name; i++) {
 112                 if (strequal(name, table[i].name)) {
 113                         return table[i].guid_string;
 114                 }
 115         }
 116
 117         return NULL;
 118 }
 119
 120 /****************************************************************
 121 ****************************************************************/
 122
 123 static const char *guid_string_to_name(const char *guid_string,
 124                                        struct gp_table *table)
 125 {
 126         int i;
 127
 128         for (i = 0; table[i].guid_string; i++) {
 129                 if (strequal(guid_string, table[i].guid_string)) {
 130                         return table[i].name;
 131                 }
 132         }
 133
 134         return NULL;
 135 }
 136
 137 /****************************************************************
 138 ****************************************************************/
 139
 140 static const char *snapin_guid_string_to_name(const char *guid_string,
 141                                               struct gp_table *table)
 142 {
 143         int i;
 144         for (i = 0; table[i].guid_string; i++) {
 145                 if (strequal(guid_string, table[i].guid_string)) {
 146                         return table[i].name;
 147                 }
 148         }
 149         return NULL;
 150 }
 151
 152 #if 0 /* unused */
 153 static const char *default_gpo_name_to_guid_string(const char *name)
 154 {
 155         return name_to_guid_string(name, gpo_default_policy);
 156 }
 157
 158 static const char *default_gpo_guid_string_to_name(const char *guid)
 159 {
 160         return guid_string_to_name(guid, gpo_default_policy);
 161 }
 162 #endif
 163
 164 /****************************************************************
 165 ****************************************************************/
 166
 167 const char *cse_gpo_guid_string_to_name(const char *guid)
 168 {
 169         return guid_string_to_name(guid, gpo_cse_extensions);
 170 }
 171
 172 /****************************************************************
 173 ****************************************************************/
 174
 175 const char *cse_gpo_name_to_guid_string(const char *name)
 176 {
 177         return name_to_guid_string(name, gpo_cse_extensions);
 178 }
 179
 180 /****************************************************************
 181 ****************************************************************/
 182
 183 const char *cse_snapin_gpo_guid_string_to_name(const char *guid)
 184 {
 185         return snapin_guid_string_to_name(guid, gpo_cse_snapin_extensions);
 186 }
 187
 188 /****************************************************************
 189 ****************************************************************/
 190
 191 void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel)
 192 {
 193         int lvl = debuglevel;
 194         int i;
 195
 196         if (gp_ext == NULL) {
 197                 return;
 198         }
 199
 200         DEBUG(lvl,("\t---------------------\n\n"));
 201         DEBUGADD(lvl,("\tname:\t\t\t%s\n", gp_ext->gp_extension));
 202
 203         for (i=0; i< gp_ext->num_exts; i++) {
 204
 205                 DEBUGADD(lvl,("\textension:\t\t\t%s\n",
 206                         gp_ext->extensions_guid[i]));
 207                 DEBUGADD(lvl,("\textension (name):\t\t\t%s\n",
 208                         gp_ext->extensions[i]));
 209
 210                 DEBUGADD(lvl,("\tsnapin:\t\t\t%s\n",
 211                         gp_ext->snapins_guid[i]));
 212                 DEBUGADD(lvl,("\tsnapin (name):\t\t\t%s\n",
 213                         gp_ext->snapins[i]));
 214         }
 215 }
 216
 217 #ifdef HAVE_LDAP
 218
 219 /****************************************************************
 220 ****************************************************************/
 221
 222 void dump_gpo(ADS_STRUCT *ads,
 223               TALLOC_CTX *mem_ctx,
 224               struct GROUP_POLICY_OBJECT *gpo,
 225               int debuglevel)
 226 {
 227         int lvl = debuglevel;
 228
 229         if (gpo == NULL) {
 230                 return;
 231         }
 232
 233         DEBUG(lvl,("---------------------\n\n"));
 234
 235         DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
 236         DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
 237         DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
 238         DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n",
 239                 GPO_VERSION_USER(gpo->version),
 240                 GPO_VERSION_USER(gpo->version)));
 241         DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n",
 242                 GPO_VERSION_MACHINE(gpo->version),
 243                  GPO_VERSION_MACHINE(gpo->version)));
 244         DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
 245         DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
 246
 247         DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
 248         switch (gpo->options) {
 249                 case GPFLAGS_ALL_ENABLED:
 250                         DEBUGADD(lvl,("GPFLAGS_ALL_ENABLED\n"));
 251                         break;
 252                 case GPFLAGS_USER_SETTINGS_DISABLED:
 253                         DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED\n"));
 254                         break;
 255                 case GPFLAGS_MACHINE_SETTINGS_DISABLED:
 256                         DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED\n"));
 257                         break;
 258                 case GPFLAGS_ALL_DISABLED:
 259                         DEBUGADD(lvl,("GPFLAGS_ALL_DISABLED\n"));
 260                         break;
 261                 default:
 262                         DEBUGADD(lvl,("unknown option: %d\n", gpo->options));
 263                         break;
 264         }
 265
 266         DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
 267         DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
 268         switch (gpo->link_type) {
 269                 case GP_LINK_UNKOWN:
 270                         DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
 271                         break;
 272                 case GP_LINK_OU:
 273                         DEBUGADD(lvl,("GP_LINK_OU\n"));
 274                         break;
 275                 case GP_LINK_DOMAIN:
 276                         DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
 277                         break;
 278                 case GP_LINK_SITE:
 279                         DEBUGADD(lvl,("GP_LINK_SITE\n"));
 280                         break;
 281                 case GP_LINK_MACHINE:
 282                         DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
 283                         break;
 284                 default:
 285                         break;
 286         }
 287
 288         DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
 289
 290         if (gpo->machine_extensions) {
 291
 292                 struct GP_EXT *gp_ext = NULL;
 293
 294                 if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
 295                                       &gp_ext)) {
 296                         return;
 297                 }
 298                 dump_gp_ext(gp_ext, lvl);
 299         }
 300
 301         DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
 302
 303         if (gpo->user_extensions) {
 304
 305                 struct GP_EXT *gp_ext = NULL;
 306
 307                 if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
 308                                       &gp_ext)) {
 309                         return;
 310                 }
 311                 dump_gp_ext(gp_ext, lvl);
 312         }
 313
 314         DEBUGADD(lvl,("security descriptor:\n"));
 315
 316         ads_disp_sd(ads, mem_ctx, gpo->security_descriptor);
 317 }
 318
 319 /****************************************************************
 320 ****************************************************************/
 321
 322 void dump_gpo_list(ADS_STRUCT *ads,
 323                    TALLOC_CTX *mem_ctx,
 324                    struct GROUP_POLICY_OBJECT *gpo_list,
 325                    int debuglevel)
 326 {
 327         struct GROUP_POLICY_OBJECT *gpo = NULL;
 328
 329         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 330                 dump_gpo(ads, mem_ctx, gpo, debuglevel);
 331         }
 332 }
 333
 334 /****************************************************************
 335 ****************************************************************/
 336
 337 void dump_gplink(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct GP_LINK *gp_link)
 338 {
 339         ADS_STATUS status;
 340         int i;
 341         int lvl = 10;
 342
 343         if (gp_link == NULL) {
 344                 return;
 345         }
 346
 347         DEBUG(lvl,("---------------------\n\n"));
 348
 349         DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
 350         DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
 351         switch (gp_link->gp_opts) {
 352                 case GPOPTIONS_INHERIT:
 353                         DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
 354                         break;
 355                 case GPOPTIONS_BLOCK_INHERITANCE:
 356                         DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
 357                         break;
 358                 default:
 359                         break;
 360         }
 361
 362         DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
 363
 364         for (i = 0; i < gp_link->num_links; i++) {
 365
 366                 DEBUGADD(lvl,("---------------------\n\n"));
 367
 368                 DEBUGADD(lvl,("link: #%d\n", i + 1));
 369                 DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
 370
 371                 DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
 372                 if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
 373                         DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
 374                 }
 375                 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
 376                         DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
 377                 }
 378                 DEBUGADD(lvl,("\n"));
 379
 380                 if (ads != NULL && mem_ctx != NULL) {
 381
 382                         struct GROUP_POLICY_OBJECT gpo;
 383
 384                         status = ads_get_gpo(ads, mem_ctx,
 385                                              gp_link->link_names[i],
 386                                              NULL, NULL, &gpo);
 387                         if (!ADS_ERR_OK(status)) {
 388                                 DEBUG(lvl,("get gpo for %s failed: %s\n",
 389                                         gp_link->link_names[i],
 390                                         ads_errstr(status)));
 391                                 return;
 392                         }
 393                         dump_gpo(ads, mem_ctx, &gpo, lvl);
 394                 }
 395         }
 396 }
 397
 398 #endif /* HAVE_LDAP */
 399
 400 /****************************************************************
 401 ****************************************************************/
 402
 403 NTSTATUS process_extension(ADS_STRUCT *ads,
 404                            TALLOC_CTX *mem_ctx,
 405                            uint32_t flags,
 406                            const struct nt_user_token *token,
 407                            struct GROUP_POLICY_OBJECT *gpo,
 408                            const char *extension_guid,
 409                            const char *snapin_guid)
 410 {
 411         DEBUG(0,("process_extension: no extension available for:\n"));
 412         DEBUGADD(0,("%s (%s) (snapin: %s)\n",
 413                 extension_guid,
 414                 cse_gpo_guid_string_to_name(extension_guid),
 415                 snapin_guid));
 416
 417         return NT_STATUS_OK;
 418 }
 419
 420 /****************************************************************
 421 ****************************************************************/
 422
 423 ADS_STATUS gpo_process_a_gpo(ADS_STRUCT *ads,
 424                              TALLOC_CTX *mem_ctx,
 425                              const struct nt_user_token *token,
 426                              struct GROUP_POLICY_OBJECT *gpo,
 427                              const char *extension_guid_filter,
 428                              uint32_t flags)
 429 {
 430         struct GP_EXT *gp_ext = NULL;
 431         int i;
 432
 433         DEBUG(10,("gpo_process_a_gpo: processing gpo %s (%s)\n",
 434                 gpo->name, gpo->display_name));
 435         if (extension_guid_filter) {
 436                 DEBUGADD(10,("gpo_process_a_gpo: using filter %s\n",
 437                         extension_guid_filter));
 438         }
 439
 440         if (flags & GPO_LIST_FLAG_MACHINE) {
 441
 442                 if (gpo->machine_extensions) {
 443
 444                         if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
 445                                               &gp_ext)) {
 446                                 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 447                         }
 448
 449                 } else {
 450                         /* nothing to apply */
 451                         return ADS_SUCCESS;
 452                 }
 453
 454         } else {
 455
 456                 if (gpo->user_extensions) {
 457
 458                         if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
 459                                               &gp_ext)) {
 460                                 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 461                         }
 462                 } else {
 463                         /* nothing to apply */
 464                         return ADS_SUCCESS;
 465                 }
 466         }
 467
 468         for (i=0; i<gp_ext->num_exts; i++) {
 469
 470                 NTSTATUS ntstatus;
 471
 472                 if (extension_guid_filter &&
 473                     !strequal(extension_guid_filter,
 474                               gp_ext->extensions_guid[i])) {
 475                         continue;
 476                 }
 477
 478                 ntstatus = process_extension(ads, mem_ctx,
 479                                              flags, token, gpo,
 480                                              gp_ext->extensions_guid[i],
 481                                              gp_ext->snapins_guid[i]);
 482                 if (!NT_STATUS_IS_OK(ntstatus)) {
 483                         ADS_ERROR_NT(ntstatus);
 484                 }
 485         }
 486
 487         return ADS_SUCCESS;
 488 }
 489
 490 /****************************************************************
 491 ****************************************************************/
 492
 493 ADS_STATUS gpo_process_gpo_list(ADS_STRUCT *ads,
 494                                 TALLOC_CTX *mem_ctx,
 495                                 const struct nt_user_token *token,
 496                                 struct GROUP_POLICY_OBJECT *gpo_list,
 497                                 const char *extensions_guid,
 498                                 uint32_t flags)
 499 {
 500         ADS_STATUS status;
 501         struct GROUP_POLICY_OBJECT *gpo;
 502
 503         /* FIXME: ok, this is wrong, windows does process the extensions and
 504          * hands the list of gpos to each extension and not process each gpo
 505          * with all extensions (this is how the extension can store the list
 506          * gplist in the registry) */
 507
 508         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 509
 510                 status = gpo_process_a_gpo(ads, mem_ctx, token, gpo,
 511                                            extensions_guid, flags);
 512
 513                 if (!ADS_ERR_OK(status)) {
 514                         DEBUG(0,("failed to process gpo: %s\n",
 515                                 ads_errstr(status)));
 516                         return status;
 517                 }
 518
 519         }
 520
 521         return ADS_SUCCESS;
 522 }
 523
 524 /****************************************************************
 525  check wether the version number in a GROUP_POLICY_OBJECT match those of the
 526  locally stored version. If not, fetch the required policy via CIFS
 527 ****************************************************************/
 528
 529 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
 530                            TALLOC_CTX *mem_ctx,
 531                            uint32_t flags,
 532                            struct GROUP_POLICY_OBJECT *gpo,
 533                            struct cli_state **cli_out)
 534 {
 535         NTSTATUS result;
 536         char *server = NULL;
 537         char *share = NULL;
 538         char *nt_path = NULL;
 539         char *unix_path = NULL;
 540         uint32_t sysvol_gpt_version = 0;
 541         char *display_name = NULL;
 542         struct cli_state *cli = NULL;
 543
 544         result = gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path,
 545                                          &server, &share, &nt_path, &unix_path);
 546
 547         if (!NT_STATUS_IS_OK(result)) {
 548                 goto out;
 549         }
 550
 551         result = gpo_get_sysvol_gpt_version(mem_ctx,
 552                                             unix_path,
 553                                             &sysvol_gpt_version,
 554                                             &display_name);
 555         if (!NT_STATUS_IS_OK(result) &&
 556             !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
 557                 DEBUG(10,("check_refresh_gpo: "
 558                         "failed to get local gpt version: %s\n",
 559                         nt_errstr(result)));
 560                 goto out;
 561         }
 562
 563         DEBUG(10,("check_refresh_gpo: versions gpo %d sysvol %d\n",
 564                 gpo->version, sysvol_gpt_version));
 565
 566         /* FIXME: handle GPO_INFO_FLAG_FORCED_REFRESH from flags */
 567
 568         while (gpo->version > sysvol_gpt_version) {
 569
 570                 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
 571
 572                 if (*cli_out == NULL) {
 573
 574                         result = cli_full_connection(&cli,
 575                                         global_myname(),
 576                                         ads->config.ldap_server_name,
 577                                         /* server */
 578                                         NULL, 0,
 579                                         share, "A:",
 580                                         ads->auth.user_name, NULL,
 581                                         ads->auth.password,
 582                                         CLI_FULL_CONNECTION_USE_KERBEROS,
 583                                         Undefined, NULL);
 584                         if (!NT_STATUS_IS_OK(result)) {
 585                                 DEBUG(10,("check_refresh_gpo: "
 586                                         "failed to connect: %s\n",
 587                                         nt_errstr(result)));
 588                                 goto out;
 589                         }
 590
 591                         *cli_out = cli;
 592                 }
 593
 594                 result = gpo_fetch_files(mem_ctx, *cli_out, gpo);
 595                 if (!NT_STATUS_IS_OK(result)) {
 596                         goto out;
 597                 }
 598
 599                 result = gpo_get_sysvol_gpt_version(mem_ctx,
 600                                                     unix_path,
 601                                                     &sysvol_gpt_version,
 602                                                     &display_name);
 603                 if (!NT_STATUS_IS_OK(result)) {
 604                         DEBUG(10,("check_refresh_gpo: "
 605                                 "failed to get local gpt version: %s\n",
 606                                 nt_errstr(result)));
 607                         goto out;
 608                 }
 609
 610                 if (gpo->version == sysvol_gpt_version) {
 611                         break;
 612                 }
 613         }
 614
 615         DEBUG(10,("Name:\t\t\t%s (%s)\n", gpo->display_name, gpo->name));
 616         DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
 617                 sysvol_gpt_version,
 618                 GPO_VERSION_USER(sysvol_gpt_version),
 619                 GPO_VERSION_MACHINE(sysvol_gpt_version)));
 620         DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
 621                 gpo->version,
 622                 GPO_VERSION_USER(gpo->version),
 623                 GPO_VERSION_MACHINE(gpo->version)));
 624
 625         result = NT_STATUS_OK;
 626
 627  out:
 628         return result;
 629
 630 }
 631
 632 /****************************************************************
 633  check wether the version numbers in the gpo_list match the locally stored, if
 634  not, go and get each required GPO via CIFS
 635  ****************************************************************/
 636
 637 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
 638                                 TALLOC_CTX *mem_ctx,
 639                                 uint32_t flags,
 640                                 struct GROUP_POLICY_OBJECT *gpo_list)
 641 {
 642         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 643         struct cli_state *cli = NULL;
 644         struct GROUP_POLICY_OBJECT *gpo;
 645
 646         if (!gpo_list) {
 647                 return NT_STATUS_INVALID_PARAMETER;
 648         }
 649
 650         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 651
 652                 result = check_refresh_gpo(ads, mem_ctx, flags, gpo, &cli);
 653                 if (!NT_STATUS_IS_OK(result)) {
 654                         goto out;
 655                 }
 656         }
 657
 658         result = NT_STATUS_OK;
 659
 660  out:
 661         if (cli) {
 662                 cli_shutdown(cli);
 663         }
 664
 665         return result;
 666 }
 667
 668 /****************************************************************
 669 ****************************************************************/
 670
 671 NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
 672                       uint32_t flags,
 673                       const char *filename,
 674                       const char *suffix,
 675                       const char **filename_out)
 676 {
 677         const char *tmp = NULL;
 678         SMB_STRUCT_STAT sbuf;
 679         const char *path = NULL;
 680
 681         if (flags & GPO_LIST_FLAG_MACHINE) {
 682                 path = "Machine";
 683         } else {
 684                 path = "User";
 685         }
 686
 687         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 688                               path, suffix);
 689         NT_STATUS_HAVE_NO_MEMORY(tmp);
 690
 691         if (sys_stat(tmp, &sbuf) == 0) {
 692                 *filename_out = tmp;
 693                 return NT_STATUS_OK;
 694         }
 695
 696         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 697                               strupper_static(path), suffix);
 698         NT_STATUS_HAVE_NO_MEMORY(tmp);
 699
 700         if (sys_stat(tmp, &sbuf) == 0) {
 701                 *filename_out = tmp;
 702                 return NT_STATUS_OK;
 703         }
 704
 705         return NT_STATUS_NO_SUCH_FILE;
 706 }
 707