libgpo/gpo_util.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Group Policy Object Support
   4  *  Copyright (C) Guenther Deschner 2005-2008
   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 #undef strdup
  23
  24 #define DEFAULT_DOMAIN_POLICY "Default Domain Policy"
  25 #define DEFAULT_DOMAIN_CONTROLLERS_POLICY "Default Domain Controllers Policy"
  26
  27 /* should we store a parsed guid ? */
  28 struct gp_table {
  29         const char *name;
  30         const char *guid_string;
  31 };
  32
  33 #if 0 /* unused */
  34 static struct gp_table gpo_default_policy[] = {
  35         { DEFAULT_DOMAIN_POLICY,
  36                 "31B2F340-016D-11D2-945F-00C04FB984F9" },
  37         { DEFAULT_DOMAIN_CONTROLLERS_POLICY,
  38                 "6AC1786C-016F-11D2-945F-00C04fB984F9" },
  39         { NULL, NULL }
  40 };
  41 #endif
  42
  43 /* the following is seen in gPCMachineExtensionNames / gPCUserExtensionNames */
  44
  45 static struct gp_table gpo_cse_extensions[] = {
  46         /* used to be "Administrative Templates Extension" */
  47         /* "Registry Settings"
  48         (http://support.microsoft.com/kb/216357/EN-US/) */
  49         { "Registry Settings",
  50                 GP_EXT_GUID_REGISTRY },
  51         { "Microsoft Disc Quota",
  52                 "3610EDA5-77EF-11D2-8DC5-00C04FA31A66" },
  53         { "EFS recovery",
  54                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
  55         { "Folder Redirection",
  56                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
  57         { "IP Security",
  58                 "E437BC1C-AA7D-11D2-A382-00C04F991E27" },
  59         { "Internet Explorer Branding",
  60                 "A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B" },
  61         { "QoS Packet Scheduler",
  62                 "426031c0-0b47-4852-b0ca-ac3d37bfcb39" },
  63         { "Scripts",
  64                 GP_EXT_GUID_SCRIPTS },
  65         { "Security",
  66                 GP_EXT_GUID_SECURITY },
  67         { "Software Installation",
  68                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
  69         { "Wireless Group Policy",
  70                 "0ACDD40C-75AC-BAA0-BF6DE7E7FE63" },
  71         { "Application Management",
  72                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
  73         { "unknown",
  74                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
  75         { NULL, NULL }
  76 };
  77
  78 /* guess work */
  79 static struct gp_table gpo_cse_snapin_extensions[] = {
  80         { "Administrative Templates",
  81                 "0F6B957D-509E-11D1-A7CC-0000F87571E3" },
  82         { "Certificates",
  83                 "53D6AB1D-2488-11D1-A28C-00C04FB94F17" },
  84         { "EFS recovery policy processing",
  85                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
  86         { "Folder Redirection policy processing",
  87                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
  88         { "Folder Redirection",
  89                 "88E729D6-BDC1-11D1-BD2A-00C04FB9603F" },
  90         { "Registry policy processing",
  91                 "35378EAC-683F-11D2-A89A-00C04FBBCFA2" },
  92         { "Remote Installation Services",
  93                 "3060E8CE-7020-11D2-842D-00C04FA372D4" },
  94         { "Security Settings",
  95                 "803E14A0-B4FB-11D0-A0D0-00A0C90F574B" },
  96         { "Security policy processing",
  97                 "827D319E-6EAC-11D2-A4EA-00C04F79F83A" },
  98         { "unknown",
  99                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
 100         { "unknown2",
 101                 "53D6AB1B-2488-11D1-A28C-00C04FB94F17" },
 102         { NULL, NULL }
 103 };
 104
 105 /****************************************************************
 106 ****************************************************************/
 107
 108 static const char *name_to_guid_string(const char *name,
 109                                        struct gp_table *table)
 110 {
 111         int i;
 112
 113         for (i = 0; table[i].name; i++) {
 114                 if (strequal(name, table[i].name)) {
 115                         return table[i].guid_string;
 116                 }
 117         }
 118
 119         return NULL;
 120 }
 121
 122 /****************************************************************
 123 ****************************************************************/
 124
 125 static const char *guid_string_to_name(const char *guid_string,
 126                                        struct gp_table *table)
 127 {
 128         int i;
 129
 130         for (i = 0; table[i].guid_string; i++) {
 131                 if (strequal(guid_string, table[i].guid_string)) {
 132                         return table[i].name;
 133                 }
 134         }
 135
 136         return NULL;
 137 }
 138
 139 /****************************************************************
 140 ****************************************************************/
 141
 142 static const char *snapin_guid_string_to_name(const char *guid_string,
 143                                               struct gp_table *table)
 144 {
 145         int i;
 146         for (i = 0; table[i].guid_string; i++) {
 147                 if (strequal(guid_string, table[i].guid_string)) {
 148                         return table[i].name;
 149                 }
 150         }
 151         return NULL;
 152 }
 153
 154 #if 0 /* unused */
 155 static const char *default_gpo_name_to_guid_string(const char *name)
 156 {
 157         return name_to_guid_string(name, gpo_default_policy);
 158 }
 159
 160 static const char *default_gpo_guid_string_to_name(const char *guid)
 161 {
 162         return guid_string_to_name(guid, gpo_default_policy);
 163 }
 164 #endif
 165
 166 /****************************************************************
 167 ****************************************************************/
 168
 169 const char *cse_gpo_guid_string_to_name(const char *guid)
 170 {
 171         return guid_string_to_name(guid, gpo_cse_extensions);
 172 }
 173
 174 /****************************************************************
 175 ****************************************************************/
 176
 177 const char *cse_gpo_name_to_guid_string(const char *name)
 178 {
 179         return name_to_guid_string(name, gpo_cse_extensions);
 180 }
 181
 182 /****************************************************************
 183 ****************************************************************/
 184
 185 const char *cse_snapin_gpo_guid_string_to_name(const char *guid)
 186 {
 187         return snapin_guid_string_to_name(guid, gpo_cse_snapin_extensions);
 188 }
 189
 190 /****************************************************************
 191 ****************************************************************/
 192
 193 void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel)
 194 {
 195         int lvl = debuglevel;
 196         int i;
 197
 198         if (gp_ext == NULL) {
 199                 return;
 200         }
 201
 202         DEBUG(lvl,("\t---------------------\n\n"));
 203         DEBUGADD(lvl,("\tname:\t\t\t%s\n", gp_ext->gp_extension));
 204
 205         for (i=0; i< gp_ext->num_exts; i++) {
 206
 207                 DEBUGADD(lvl,("\textension:\t\t\t%s\n",
 208                         gp_ext->extensions_guid[i]));
 209                 DEBUGADD(lvl,("\textension (name):\t\t\t%s\n",
 210                         gp_ext->extensions[i]));
 211
 212                 DEBUGADD(lvl,("\tsnapin:\t\t\t%s\n",
 213                         gp_ext->snapins_guid[i]));
 214                 DEBUGADD(lvl,("\tsnapin (name):\t\t\t%s\n",
 215                         gp_ext->snapins[i]));
 216         }
 217 }
 218
 219 #ifdef HAVE_LDAP
 220
 221 /****************************************************************
 222 ****************************************************************/
 223
 224 void dump_gpo(ADS_STRUCT *ads,
 225               TALLOC_CTX *mem_ctx,
 226               struct GROUP_POLICY_OBJECT *gpo,
 227               int debuglevel)
 228 {
 229         int lvl = debuglevel;
 230
 231         if (gpo == NULL) {
 232                 return;
 233         }
 234
 235         DEBUG(lvl,("---------------------\n\n"));
 236
 237         DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
 238         DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
 239         DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
 240         DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n",
 241                 GPO_VERSION_USER(gpo->version),
 242                 GPO_VERSION_USER(gpo->version)));
 243         DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n",
 244                 GPO_VERSION_MACHINE(gpo->version),
 245                  GPO_VERSION_MACHINE(gpo->version)));
 246         DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
 247         DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
 248
 249         DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
 250         switch (gpo->options) {
 251                 case GPFLAGS_ALL_ENABLED:
 252                         DEBUGADD(lvl,("GPFLAGS_ALL_ENABLED\n"));
 253                         break;
 254                 case GPFLAGS_USER_SETTINGS_DISABLED:
 255                         DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED\n"));
 256                         break;
 257                 case GPFLAGS_MACHINE_SETTINGS_DISABLED:
 258                         DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED\n"));
 259                         break;
 260                 case GPFLAGS_ALL_DISABLED:
 261                         DEBUGADD(lvl,("GPFLAGS_ALL_DISABLED\n"));
 262                         break;
 263                 default:
 264                         DEBUGADD(lvl,("unknown option: %d\n", gpo->options));
 265                         break;
 266         }
 267
 268         DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
 269         DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
 270         switch (gpo->link_type) {
 271                 case GP_LINK_UNKOWN:
 272                         DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
 273                         break;
 274                 case GP_LINK_OU:
 275                         DEBUGADD(lvl,("GP_LINK_OU\n"));
 276                         break;
 277                 case GP_LINK_DOMAIN:
 278                         DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
 279                         break;
 280                 case GP_LINK_SITE:
 281                         DEBUGADD(lvl,("GP_LINK_SITE\n"));
 282                         break;
 283                 case GP_LINK_MACHINE:
 284                         DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
 285                         break;
 286                 default:
 287                         break;
 288         }
 289
 290         DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
 291
 292         if (gpo->machine_extensions) {
 293
 294                 struct GP_EXT *gp_ext = NULL;
 295
 296                 if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
 297                                       &gp_ext)) {
 298                         return;
 299                 }
 300                 dump_gp_ext(gp_ext, lvl);
 301         }
 302
 303         DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
 304
 305         if (gpo->user_extensions) {
 306
 307                 struct GP_EXT *gp_ext = NULL;
 308
 309                 if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
 310                                       &gp_ext)) {
 311                         return;
 312                 }
 313                 dump_gp_ext(gp_ext, lvl);
 314         }
 315
 316         DEBUGADD(lvl,("security descriptor:\n"));
 317
 318         NDR_PRINT_DEBUG(security_descriptor, gpo->security_descriptor);
 319 }
 320
 321 /****************************************************************
 322 ****************************************************************/
 323
 324 void dump_gpo_list(ADS_STRUCT *ads,
 325                    TALLOC_CTX *mem_ctx,
 326                    struct GROUP_POLICY_OBJECT *gpo_list,
 327                    int debuglevel)
 328 {
 329         struct GROUP_POLICY_OBJECT *gpo = NULL;
 330
 331         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 332                 dump_gpo(ads, mem_ctx, gpo, debuglevel);
 333         }
 334 }
 335
 336 /****************************************************************
 337 ****************************************************************/
 338
 339 void dump_gplink(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct GP_LINK *gp_link)
 340 {
 341         ADS_STATUS status;
 342         int i;
 343         int lvl = 10;
 344
 345         if (gp_link == NULL) {
 346                 return;
 347         }
 348
 349         DEBUG(lvl,("---------------------\n\n"));
 350
 351         DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
 352         DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
 353         switch (gp_link->gp_opts) {
 354                 case GPOPTIONS_INHERIT:
 355                         DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
 356                         break;
 357                 case GPOPTIONS_BLOCK_INHERITANCE:
 358                         DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
 359                         break;
 360                 default:
 361                         break;
 362         }
 363
 364         DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
 365
 366         for (i = 0; i < gp_link->num_links; i++) {
 367
 368                 DEBUGADD(lvl,("---------------------\n\n"));
 369
 370                 DEBUGADD(lvl,("link: #%d\n", i + 1));
 371                 DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
 372
 373                 DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
 374                 if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
 375                         DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
 376                 }
 377                 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
 378                         DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
 379                 }
 380                 DEBUGADD(lvl,("\n"));
 381
 382                 if (ads != NULL && mem_ctx != NULL) {
 383
 384                         struct GROUP_POLICY_OBJECT gpo;
 385
 386                         status = ads_get_gpo(ads, mem_ctx,
 387                                              gp_link->link_names[i],
 388                                              NULL, NULL, &gpo);
 389                         if (!ADS_ERR_OK(status)) {
 390                                 DEBUG(lvl,("get gpo for %s failed: %s\n",
 391                                         gp_link->link_names[i],
 392                                         ads_errstr(status)));
 393                                 return;
 394                         }
 395                         dump_gpo(ads, mem_ctx, &gpo, lvl);
 396                 }
 397         }
 398 }
 399
 400 #endif /* HAVE_LDAP */
 401
 402 /****************************************************************
 403 ****************************************************************/
 404
 405 static bool gpo_get_gp_ext_from_gpo(TALLOC_CTX *mem_ctx,
 406                                     uint32_t flags,
 407                                     struct GROUP_POLICY_OBJECT *gpo,
 408                                     struct GP_EXT **gp_ext)
 409 {
 410         ZERO_STRUCTP(*gp_ext);
 411
 412         if (flags & GPO_INFO_FLAG_MACHINE) {
 413
 414                 if (gpo->machine_extensions) {
 415
 416                         if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
 417                                               gp_ext)) {
 418                                 return false;
 419                         }
 420                 }
 421         } else {
 422
 423                 if (gpo->user_extensions) {
 424
 425                         if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
 426                                               gp_ext)) {
 427                                 return false;
 428                         }
 429                 }
 430         }
 431
 432         return true;
 433 }
 434
 435 /****************************************************************
 436 ****************************************************************/
 437
 438 ADS_STATUS gpo_process_a_gpo(ADS_STRUCT *ads,
 439                              TALLOC_CTX *mem_ctx,
 440                              const struct nt_user_token *token,
 441                              struct registry_key *root_key,
 442                              struct GROUP_POLICY_OBJECT *gpo,
 443                              const char *extension_guid_filter,
 444                              uint32_t flags)
 445 {
 446         struct GP_EXT *gp_ext = NULL;
 447         int i;
 448
 449         DEBUG(10,("gpo_process_a_gpo: processing gpo %s (%s)\n",
 450                 gpo->name, gpo->display_name));
 451         if (extension_guid_filter) {
 452                 DEBUGADD(10,("gpo_process_a_gpo: using filter %s (%s)\n",
 453                         extension_guid_filter,
 454                         cse_gpo_guid_string_to_name(extension_guid_filter)));
 455         }
 456
 457         if (!gpo_get_gp_ext_from_gpo(mem_ctx, flags, gpo, &gp_ext)) {
 458                 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 459         }
 460
 461         if (!gp_ext || !gp_ext->num_exts) {
 462                 if (flags & GPO_INFO_FLAG_VERBOSE) {
 463                         DEBUG(0,("gpo_process_a_gpo: "
 464                                 "no policies in %s (%s) for this extension\n",
 465                                 gpo->name, gpo->display_name));
 466                 }
 467                 return ADS_SUCCESS;
 468         }
 469
 470         for (i=0; i<gp_ext->num_exts; i++) {
 471
 472                 NTSTATUS ntstatus;
 473
 474                 if (extension_guid_filter &&
 475                     !strequal(extension_guid_filter,
 476                               gp_ext->extensions_guid[i])) {
 477                         continue;
 478                 }
 479
 480                 ntstatus = gpext_process_extension(ads, mem_ctx,
 481                                                    flags, token, root_key, gpo,
 482                                                    gp_ext->extensions_guid[i],
 483                                                    gp_ext->snapins_guid[i]);
 484                 if (!NT_STATUS_IS_OK(ntstatus)) {
 485                         ADS_ERROR_NT(ntstatus);
 486                 }
 487         }
 488
 489         return ADS_SUCCESS;
 490 }
 491
 492 /****************************************************************
 493 ****************************************************************/
 494
 495 static ADS_STATUS gpo_process_gpo_list_by_ext(ADS_STRUCT *ads,
 496                                               TALLOC_CTX *mem_ctx,
 497                                               const struct nt_user_token *token,
 498                                               struct registry_key *root_key,
 499                                               struct GROUP_POLICY_OBJECT *gpo_list,
 500                                               const char *extensions_guid,
 501                                               uint32_t flags)
 502 {
 503         ADS_STATUS status;
 504         struct GROUP_POLICY_OBJECT *gpo;
 505
 506         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 507
 508                 if (gpo->link_type == GP_LINK_LOCAL) {
 509                         continue;
 510                 }
 511
 512
 513                 /* FIXME: we need to pass down the *list* down to the
 514                  * extension, otherwise we cannot store the e.g. the *list* of
 515                  * logon-scripts correctly (for more then one GPO) */
 516
 517                 status = gpo_process_a_gpo(ads, mem_ctx, token, root_key,
 518                                            gpo, extensions_guid, flags);
 519
 520                 if (!ADS_ERR_OK(status)) {
 521                         DEBUG(0,("failed to process gpo by ext: %s\n",
 522                                 ads_errstr(status)));
 523                         return status;
 524                 }
 525         }
 526
 527         return ADS_SUCCESS;
 528 }
 529
 530 /****************************************************************
 531 ****************************************************************/
 532
 533 ADS_STATUS gpo_process_gpo_list(ADS_STRUCT *ads,
 534                                 TALLOC_CTX *mem_ctx,
 535                                 const struct nt_user_token *token,
 536                                 struct GROUP_POLICY_OBJECT *gpo_list,
 537                                 const char *extensions_guid_filter,
 538                                 uint32_t flags)
 539 {
 540         ADS_STATUS status = ADS_SUCCESS;
 541         struct gp_extension *gp_ext_list = NULL;
 542         struct gp_extension *gp_ext = NULL;
 543         struct registry_key *root_key = NULL;
 544         struct gp_registry_context *reg_ctx = NULL;
 545         WERROR werr;
 546
 547         status = ADS_ERROR_NT(init_gp_extensions(mem_ctx));
 548         if (!ADS_ERR_OK(status)) {
 549                 return status;
 550         }
 551
 552         gp_ext_list = get_gp_extension_list();
 553         if (!gp_ext_list) {
 554                 return ADS_ERROR_NT(NT_STATUS_DLL_INIT_FAILED);
 555         }
 556
 557         /* get the key here */
 558         if (flags & GPO_LIST_FLAG_MACHINE) {
 559                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKLM, REG_KEY_WRITE,
 560                                        get_system_token(),
 561                                        &reg_ctx);
 562         } else {
 563                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKCU, REG_KEY_WRITE,
 564                                        token,
 565                                        &reg_ctx);
 566         }
 567         if (!W_ERROR_IS_OK(werr)) {
 568                 gp_free_reg_ctx(reg_ctx);
 569                 return ADS_ERROR_NT(werror_to_ntstatus(werr));
 570         }
 571
 572         root_key = reg_ctx->curr_key;
 573
 574         for (gp_ext = gp_ext_list; gp_ext; gp_ext = gp_ext->next) {
 575
 576                 const char *guid_str = NULL;
 577
 578                 guid_str = GUID_string(mem_ctx, gp_ext->guid);
 579                 if (!guid_str) {
 580                         status = ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
 581                         goto done;
 582                 }
 583
 584                 if (extensions_guid_filter &&
 585                     (!strequal(guid_str, extensions_guid_filter)))  {
 586                         continue;
 587                 }
 588
 589                 DEBUG(0,("-------------------------------------------------\n"));
 590                 DEBUG(0,("gpo_process_gpo_list: processing ext: %s {%s}\n",
 591                         gp_ext->name, guid_str));
 592
 593
 594                 status = gpo_process_gpo_list_by_ext(ads, mem_ctx, token,
 595                                                      root_key, gpo_list,
 596                                                      guid_str, flags);
 597                 if (!ADS_ERR_OK(status)) {
 598                         goto done;
 599                 }
 600         }
 601
 602  done:
 603         gp_free_reg_ctx(reg_ctx);
 604         TALLOC_FREE(root_key);
 605         free_gp_extensions();
 606
 607         return status;
 608 }
 609
 610
 611 /****************************************************************
 612  check wether the version number in a GROUP_POLICY_OBJECT match those of the
 613  locally stored version. If not, fetch the required policy via CIFS
 614 ****************************************************************/
 615
 616 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
 617                            TALLOC_CTX *mem_ctx,
 618                            uint32_t flags,
 619                            struct GROUP_POLICY_OBJECT *gpo,
 620                            struct cli_state **cli_out)
 621 {
 622         NTSTATUS result;
 623         char *server = NULL;
 624         char *share = NULL;
 625         char *nt_path = NULL;
 626         char *unix_path = NULL;
 627         uint32_t sysvol_gpt_version = 0;
 628         char *display_name = NULL;
 629         struct cli_state *cli = NULL;
 630
 631         result = gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path,
 632                                          &server, &share, &nt_path, &unix_path);
 633
 634         if (!NT_STATUS_IS_OK(result)) {
 635                 goto out;
 636         }
 637
 638         result = gpo_get_sysvol_gpt_version(mem_ctx,
 639                                             unix_path,
 640                                             &sysvol_gpt_version,
 641                                             &display_name);
 642         if (!NT_STATUS_IS_OK(result) &&
 643             !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
 644                 DEBUG(10,("check_refresh_gpo: "
 645                         "failed to get local gpt version: %s\n",
 646                         nt_errstr(result)));
 647                 goto out;
 648         }
 649
 650         DEBUG(10,("check_refresh_gpo: versions gpo %d sysvol %d\n",
 651                 gpo->version, sysvol_gpt_version));
 652
 653         /* FIXME: handle GPO_INFO_FLAG_FORCED_REFRESH from flags */
 654
 655         while (gpo->version > sysvol_gpt_version) {
 656
 657                 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
 658
 659                 if (*cli_out == NULL) {
 660
 661                         result = cli_full_connection(&cli,
 662                                         global_myname(),
 663                                         ads->config.ldap_server_name,
 664                                         /* server */
 665                                         NULL, 0,
 666                                         share, "A:",
 667                                         ads->auth.user_name, NULL,
 668                                         ads->auth.password,
 669                                         CLI_FULL_CONNECTION_USE_KERBEROS |
 670                                         CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS,
 671                                         Undefined, NULL);
 672                         if (!NT_STATUS_IS_OK(result)) {
 673                                 DEBUG(10,("check_refresh_gpo: "
 674                                         "failed to connect: %s\n",
 675                                         nt_errstr(result)));
 676                                 goto out;
 677                         }
 678
 679                         *cli_out = cli;
 680                 }
 681
 682                 result = gpo_fetch_files(mem_ctx, *cli_out, gpo);
 683                 if (!NT_STATUS_IS_OK(result)) {
 684                         goto out;
 685                 }
 686
 687                 result = gpo_get_sysvol_gpt_version(mem_ctx,
 688                                                     unix_path,
 689                                                     &sysvol_gpt_version,
 690                                                     &display_name);
 691                 if (!NT_STATUS_IS_OK(result)) {
 692                         DEBUG(10,("check_refresh_gpo: "
 693                                 "failed to get local gpt version: %s\n",
 694                                 nt_errstr(result)));
 695                         goto out;
 696                 }
 697
 698                 if (gpo->version == sysvol_gpt_version) {
 699                         break;
 700                 }
 701         }
 702
 703         DEBUG(10,("Name:\t\t\t%s (%s)\n", gpo->display_name, gpo->name));
 704         DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
 705                 sysvol_gpt_version,
 706                 GPO_VERSION_USER(sysvol_gpt_version),
 707                 GPO_VERSION_MACHINE(sysvol_gpt_version)));
 708         DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
 709                 gpo->version,
 710                 GPO_VERSION_USER(gpo->version),
 711                 GPO_VERSION_MACHINE(gpo->version)));
 712         DEBUGADD(10,("LDAP GPO link:\t\t%s\n", gpo->link));
 713
 714         result = NT_STATUS_OK;
 715
 716  out:
 717         return result;
 718
 719 }
 720
 721 /****************************************************************
 722  check wether the version numbers in the gpo_list match the locally stored, if
 723  not, go and get each required GPO via CIFS
 724  ****************************************************************/
 725
 726 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
 727                                 TALLOC_CTX *mem_ctx,
 728                                 uint32_t flags,
 729                                 struct GROUP_POLICY_OBJECT *gpo_list)
 730 {
 731         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 732         struct cli_state *cli = NULL;
 733         struct GROUP_POLICY_OBJECT *gpo;
 734
 735         if (!gpo_list) {
 736                 return NT_STATUS_INVALID_PARAMETER;
 737         }
 738
 739         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 740
 741                 result = check_refresh_gpo(ads, mem_ctx, flags, gpo, &cli);
 742                 if (!NT_STATUS_IS_OK(result)) {
 743                         goto out;
 744                 }
 745         }
 746
 747         result = NT_STATUS_OK;
 748
 749  out:
 750         if (cli) {
 751                 cli_shutdown(cli);
 752         }
 753
 754         return result;
 755 }
 756
 757 /****************************************************************
 758 ****************************************************************/
 759
 760 NTSTATUS gpo_get_unix_path(TALLOC_CTX *mem_ctx,
 761                            struct GROUP_POLICY_OBJECT *gpo,
 762                            char **unix_path)
 763 {
 764         char *server, *share, *nt_path;
 765         return gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path,
 766                                        &server, &share, &nt_path, unix_path);
 767 }
 768
 769 /****************************************************************
 770 ****************************************************************/
 771
 772 char *gpo_flag_str(uint32_t flags)
 773 {
 774         fstring str = "";
 775
 776         if (flags == 0) {
 777                 return NULL;
 778         }
 779
 780         if (flags & GPO_INFO_FLAG_SLOWLINK)
 781                 fstrcat(str, "GPO_INFO_FLAG_SLOWLINK ");
 782         if (flags & GPO_INFO_FLAG_VERBOSE)
 783                 fstrcat(str, "GPO_INFO_FLAG_VERBOSE ");
 784         if (flags & GPO_INFO_FLAG_SAFEMODE_BOOT)
 785                 fstrcat(str, "GPO_INFO_FLAG_SAFEMODE_BOOT ");
 786         if (flags & GPO_INFO_FLAG_NOCHANGES)
 787                 fstrcat(str, "GPO_INFO_FLAG_NOCHANGES ");
 788         if (flags & GPO_INFO_FLAG_MACHINE)
 789                 fstrcat(str, "GPO_INFO_FLAG_MACHINE ");
 790         if (flags & GPO_INFO_FLAG_LOGRSOP_TRANSITION)
 791                 fstrcat(str, "GPO_INFO_FLAG_LOGRSOP_TRANSITION ");
 792         if (flags & GPO_INFO_FLAG_LINKTRANSITION)
 793                 fstrcat(str, "GPO_INFO_FLAG_LINKTRANSITION ");
 794         if (flags & GPO_INFO_FLAG_FORCED_REFRESH)
 795                 fstrcat(str, "GPO_INFO_FLAG_FORCED_REFRESH ");
 796         if (flags & GPO_INFO_FLAG_BACKGROUND)
 797                 fstrcat(str, "GPO_INFO_FLAG_BACKGROUND ");
 798
 799         return strdup(str);
 800 }
 801
 802 /****************************************************************
 803 ****************************************************************/
 804
 805 NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
 806                       uint32_t flags,
 807                       const char *filename,
 808                       const char *suffix,
 809                       const char **filename_out)
 810 {
 811         const char *tmp = NULL;
 812         struct stat sbuf;
 813         const char *path = NULL;
 814
 815         if (flags & GPO_LIST_FLAG_MACHINE) {
 816                 path = "Machine";
 817         } else {
 818                 path = "User";
 819         }
 820
 821         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 822                               path, suffix);
 823         NT_STATUS_HAVE_NO_MEMORY(tmp);
 824
 825         if (stat(tmp, &sbuf) == 0) {
 826                 *filename_out = tmp;
 827                 return NT_STATUS_OK;
 828         }
 829
 830         path = talloc_strdup_upper(mem_ctx, path);
 831         NT_STATUS_HAVE_NO_MEMORY(path);
 832
 833         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 834                               path, suffix);
 835         NT_STATUS_HAVE_NO_MEMORY(tmp);
 836
 837         if (sys_stat(tmp, &sbuf) == 0) {
 838                 *filename_out = tmp;
 839                 return NT_STATUS_OK;
 840         }
 841
 842         return NT_STATUS_NO_SUCH_FILE;
 843 }
 844
 845 /****************************************************************
 846 ****************************************************************/
 847
 848 ADS_STATUS gp_get_machine_token(ADS_STRUCT *ads,
 849                                 TALLOC_CTX *mem_ctx,
 850                                 const char *dn,
 851                                 struct nt_user_token **token)
 852 {
 853         struct nt_user_token *ad_token = NULL;
 854         ADS_STATUS status;
 855         NTSTATUS ntstatus;
 856
 857 #ifndef HAVE_ADS
 858         return ADS_ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 859 #endif
 860         status = ads_get_sid_token(ads, mem_ctx, dn, &ad_token);
 861         if (!ADS_ERR_OK(status)) {
 862                 return status;
 863         }
 864
 865         ntstatus = merge_nt_token(mem_ctx, ad_token, get_system_token(),
 866                                   token);
 867         if (!NT_STATUS_IS_OK(ntstatus)) {
 868                 return ADS_ERROR_NT(ntstatus);
 869         }
 870
 871         return ADS_SUCCESS;
 872 }