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