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(const struct GROUP_POLICY_OBJECT *gpo,
 232               int debuglevel)
 233 {
 234         int lvl = debuglevel;
 235         TALLOC_CTX *frame = talloc_stackframe();
 236
 237         if (gpo == NULL) {
 238                 goto out;
 239         }
 240
 241         DEBUG(lvl,("---------------------\n\n"));
 242
 243         DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
 244         DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
 245         DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
 246         DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n",
 247                 GPO_VERSION_USER(gpo->version),
 248                 GPO_VERSION_USER(gpo->version)));
 249         DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n",
 250                 GPO_VERSION_MACHINE(gpo->version),
 251                  GPO_VERSION_MACHINE(gpo->version)));
 252         DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
 253         DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
 254
 255         DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
 256         switch (gpo->options) {
 257                 case GPFLAGS_ALL_ENABLED:
 258                         DEBUGADD(lvl,("GPFLAGS_ALL_ENABLED\n"));
 259                         break;
 260                 case GPFLAGS_USER_SETTINGS_DISABLED:
 261                         DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED\n"));
 262                         break;
 263                 case GPFLAGS_MACHINE_SETTINGS_DISABLED:
 264                         DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED\n"));
 265                         break;
 266                 case GPFLAGS_ALL_DISABLED:
 267                         DEBUGADD(lvl,("GPFLAGS_ALL_DISABLED\n"));
 268                         break;
 269                 default:
 270                         DEBUGADD(lvl,("unknown option: %d\n", gpo->options));
 271                         break;
 272         }
 273
 274         DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
 275         DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
 276         switch (gpo->link_type) {
 277                 case GP_LINK_UNKOWN:
 278                         DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
 279                         break;
 280                 case GP_LINK_OU:
 281                         DEBUGADD(lvl,("GP_LINK_OU\n"));
 282                         break;
 283                 case GP_LINK_DOMAIN:
 284                         DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
 285                         break;
 286                 case GP_LINK_SITE:
 287                         DEBUGADD(lvl,("GP_LINK_SITE\n"));
 288                         break;
 289                 case GP_LINK_MACHINE:
 290                         DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
 291                         break;
 292                 default:
 293                         break;
 294         }
 295
 296         DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
 297
 298         if (gpo->machine_extensions) {
 299
 300                 struct GP_EXT *gp_ext = NULL;
 301
 302                 if (!ads_parse_gp_ext(frame, gpo->machine_extensions,
 303                                       &gp_ext)) {
 304                         goto out;
 305                 }
 306                 dump_gp_ext(gp_ext, lvl);
 307         }
 308
 309         DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
 310
 311         if (gpo->user_extensions) {
 312
 313                 struct GP_EXT *gp_ext = NULL;
 314
 315                 if (!ads_parse_gp_ext(frame, gpo->user_extensions,
 316                                       &gp_ext)) {
 317                         goto out;
 318                 }
 319                 dump_gp_ext(gp_ext, lvl);
 320         }
 321         if (gpo->security_descriptor) {
 322                 DEBUGADD(lvl,("security descriptor:\n"));
 323
 324                 NDR_PRINT_DEBUG(security_descriptor, gpo->security_descriptor);
 325         }
 326  out:
 327         talloc_free(frame);
 328 }
 329
 330 /****************************************************************
 331 ****************************************************************/
 332
 333 void dump_gpo_list(const struct GROUP_POLICY_OBJECT *gpo_list,
 334                    int debuglevel)
 335 {
 336         const struct GROUP_POLICY_OBJECT *gpo = NULL;
 337
 338         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 339                 dump_gpo(gpo, debuglevel);
 340         }
 341 }
 342
 343 /****************************************************************
 344 ****************************************************************/
 345
 346 void dump_gplink(const struct GP_LINK *gp_link)
 347 {
 348         int i;
 349         int lvl = 10;
 350
 351         if (gp_link == NULL) {
 352                 return;
 353         }
 354
 355         DEBUG(lvl,("---------------------\n\n"));
 356
 357         DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
 358         DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
 359         switch (gp_link->gp_opts) {
 360                 case GPOPTIONS_INHERIT:
 361                         DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
 362                         break;
 363                 case GPOPTIONS_BLOCK_INHERITANCE:
 364                         DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
 365                         break;
 366                 default:
 367                         break;
 368         }
 369
 370         DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
 371
 372         for (i = 0; i < gp_link->num_links; i++) {
 373
 374                 DEBUGADD(lvl,("---------------------\n\n"));
 375
 376                 DEBUGADD(lvl,("link: #%d\n", i + 1));
 377                 DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
 378
 379                 DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
 380                 if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
 381                         DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
 382                 }
 383                 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
 384                         DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
 385                 }
 386                 DEBUGADD(lvl,("\n"));
 387         }
 388 }
 389
 390 #endif /* HAVE_LDAP */
 391
 392 /****************************************************************
 393 ****************************************************************/
 394
 395 bool gpo_get_gp_ext_from_gpo(TALLOC_CTX *mem_ctx,
 396                              uint32_t flags,
 397                              const struct GROUP_POLICY_OBJECT *gpo,
 398                              struct GP_EXT **gp_ext)
 399 {
 400         ZERO_STRUCTP(*gp_ext);
 401
 402         if (flags & GPO_INFO_FLAG_MACHINE) {
 403
 404                 if (gpo->machine_extensions) {
 405
 406                         if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
 407                                               gp_ext)) {
 408                                 return false;
 409                         }
 410                 }
 411         } else {
 412
 413                 if (gpo->user_extensions) {
 414
 415                         if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
 416                                               gp_ext)) {
 417                                 return false;
 418                         }
 419                 }
 420         }
 421
 422         return true;
 423 }
 424
 425 /****************************************************************
 426 ****************************************************************/
 427
 428 static NTSTATUS gpo_process_a_gpo(TALLOC_CTX *mem_ctx,
 429                                   const struct security_token *token,
 430                                   struct registry_key *root_key,
 431                                   struct GROUP_POLICY_OBJECT *gpo,
 432                                   const char *extension_guid_filter,
 433                                   uint32_t flags)
 434 {
 435         struct GP_EXT *gp_ext = NULL;
 436         int i;
 437
 438         DEBUG(10,("gpo_process_a_gpo: processing gpo %s (%s)\n",
 439                 gpo->name, gpo->display_name));
 440         if (extension_guid_filter) {
 441                 DEBUGADD(10,("gpo_process_a_gpo: using filter %s (%s)\n",
 442                         extension_guid_filter,
 443                         cse_gpo_guid_string_to_name(extension_guid_filter)));
 444         }
 445
 446         if (!gpo_get_gp_ext_from_gpo(mem_ctx, flags, gpo, &gp_ext)) {
 447                 return NT_STATUS_INVALID_PARAMETER;
 448         }
 449
 450         if (!gp_ext || !gp_ext->num_exts) {
 451                 if (flags & GPO_INFO_FLAG_VERBOSE) {
 452                         DEBUG(0,("gpo_process_a_gpo: "
 453                                 "no policies in %s (%s) for this extension\n",
 454                                 gpo->name, gpo->display_name));
 455                 }
 456                 return NT_STATUS_OK;
 457         }
 458
 459         for (i=0; i<gp_ext->num_exts; i++) {
 460
 461                 NTSTATUS ntstatus;
 462
 463                 if (extension_guid_filter &&
 464                     !strequal(extension_guid_filter,
 465                               gp_ext->extensions_guid[i])) {
 466                         continue;
 467                 }
 468
 469                 ntstatus = gpext_process_extension(mem_ctx,
 470                                                    flags, token, root_key, gpo,
 471                                                    gp_ext->extensions_guid[i],
 472                                                    gp_ext->snapins_guid[i]);
 473                 if (!NT_STATUS_IS_OK(ntstatus)) {
 474                         return ntstatus;
 475                 }
 476         }
 477
 478         return NT_STATUS_OK;
 479 }
 480
 481 /****************************************************************
 482 ****************************************************************/
 483
 484 static NTSTATUS gpo_process_gpo_list_by_ext(TALLOC_CTX *mem_ctx,
 485                                             const struct security_token *token,
 486                                             struct registry_key *root_key,
 487                                             struct GROUP_POLICY_OBJECT *gpo_list,
 488                                             const char *extensions_guid,
 489                                             uint32_t flags)
 490 {
 491         NTSTATUS status;
 492         struct GROUP_POLICY_OBJECT *gpo;
 493
 494         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 495
 496                 if (gpo->link_type == GP_LINK_LOCAL) {
 497                         continue;
 498                 }
 499
 500
 501                 /* FIXME: we need to pass down the *list* down to the
 502                  * extension, otherwise we cannot store the e.g. the *list* of
 503                  * logon-scripts correctly (for more then one GPO) */
 504
 505                 status = gpo_process_a_gpo(mem_ctx, token, root_key,
 506                                            gpo, extensions_guid, flags);
 507
 508                 if (!NT_STATUS_IS_OK(status)) {
 509                         DEBUG(0,("failed to process gpo by ext: %s\n",
 510                                 nt_errstr(status)));
 511                         return status;
 512                 }
 513         }
 514
 515         return NT_STATUS_OK;
 516 }
 517
 518 /****************************************************************
 519 ****************************************************************/
 520
 521 NTSTATUS gpo_process_gpo_list(TALLOC_CTX *mem_ctx,
 522                               const struct security_token *token,
 523                               struct GROUP_POLICY_OBJECT *gpo_list,
 524                               const char *extensions_guid_filter,
 525                               uint32_t flags)
 526 {
 527         NTSTATUS status = NT_STATUS_OK;
 528         struct gp_extension *gp_ext_list = NULL;
 529         struct gp_extension *gp_ext = NULL;
 530         struct registry_key *root_key = NULL;
 531         struct gp_registry_context *reg_ctx = NULL;
 532         WERROR werr;
 533
 534         status = gpext_init_gp_extensions(mem_ctx);
 535         if (!NT_STATUS_IS_OK(status)) {
 536                 return status;
 537         }
 538
 539         gp_ext_list = gpext_get_gp_extension_list();
 540         if (!gp_ext_list) {
 541                 return NT_STATUS_DLL_INIT_FAILED;
 542         }
 543
 544         /* get the key here */
 545         if (flags & GPO_LIST_FLAG_MACHINE) {
 546                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKLM, REG_KEY_WRITE,
 547                                        get_system_token(),
 548                                        &reg_ctx);
 549         } else {
 550                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKCU, REG_KEY_WRITE,
 551                                        token,
 552                                        &reg_ctx);
 553         }
 554         if (!W_ERROR_IS_OK(werr)) {
 555                 talloc_free(reg_ctx);
 556                 return werror_to_ntstatus(werr);
 557         }
 558
 559         root_key = reg_ctx->curr_key;
 560
 561         for (gp_ext = gp_ext_list; gp_ext; gp_ext = gp_ext->next) {
 562
 563                 const char *guid_str = NULL;
 564
 565                 guid_str = GUID_string(mem_ctx, gp_ext->guid);
 566                 if (!guid_str) {
 567                         status = NT_STATUS_NO_MEMORY;
 568                         goto done;
 569                 }
 570
 571                 if (extensions_guid_filter &&
 572                     (!strequal(guid_str, extensions_guid_filter)))  {
 573                         continue;
 574                 }
 575
 576                 DEBUG(0,("-------------------------------------------------\n"));
 577                 DEBUG(0,("gpo_process_gpo_list: processing ext: %s {%s}\n",
 578                         gp_ext->name, guid_str));
 579
 580
 581                 status = gpo_process_gpo_list_by_ext(mem_ctx, token,
 582                                                      root_key, gpo_list,
 583                                                      guid_str, flags);
 584                 if (!NT_STATUS_IS_OK(status)) {
 585                         goto done;
 586                 }
 587         }
 588
 589  done:
 590         talloc_free(reg_ctx);
 591         talloc_free(root_key);
 592         gpext_free_gp_extensions();
 593
 594         return status;
 595 }
 596
 597
 598 /****************************************************************
 599  check wether the version number in a GROUP_POLICY_OBJECT match those of the
 600  locally stored version. If not, fetch the required policy via CIFS
 601 ****************************************************************/
 602
 603 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
 604                            TALLOC_CTX *mem_ctx,
 605                            const char *cache_dir,
 606                            uint32_t flags,
 607                            struct GROUP_POLICY_OBJECT *gpo)
 608 {
 609         NTSTATUS result;
 610         char *server = NULL;
 611         char *share = NULL;
 612         char *nt_path = NULL;
 613         char *unix_path = NULL;
 614         uint32_t sysvol_gpt_version = 0;
 615         char *display_name = NULL;
 616
 617         result = gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
 618                                          &server, &share, &nt_path, &unix_path);
 619
 620         if (!NT_STATUS_IS_OK(result)) {
 621                 goto out;
 622         }
 623
 624         result = gpo_get_sysvol_gpt_version(mem_ctx,
 625                                             unix_path,
 626                                             &sysvol_gpt_version,
 627                                             &display_name);
 628         if (!NT_STATUS_IS_OK(result) &&
 629             !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
 630                 DEBUG(10,("check_refresh_gpo: "
 631                         "failed to get local gpt version: %s\n",
 632                         nt_errstr(result)));
 633                 goto out;
 634         }
 635
 636         DEBUG(10,("check_refresh_gpo: versions gpo %d sysvol %d\n",
 637                 gpo->version, sysvol_gpt_version));
 638
 639         /* FIXME: handle GPO_INFO_FLAG_FORCED_REFRESH from flags */
 640
 641         while (gpo->version > sysvol_gpt_version) {
 642
 643                 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
 644
 645                 result = gpo_fetch_files(mem_ctx, ads, cache_dir, gpo);
 646                 if (!NT_STATUS_IS_OK(result)) {
 647                         goto out;
 648                 }
 649
 650                 result = gpo_get_sysvol_gpt_version(mem_ctx,
 651                                                     unix_path,
 652                                                     &sysvol_gpt_version,
 653                                                     &display_name);
 654                 if (!NT_STATUS_IS_OK(result)) {
 655                         DEBUG(10,("check_refresh_gpo: "
 656                                 "failed to get local gpt version: %s\n",
 657                                 nt_errstr(result)));
 658                         goto out;
 659                 }
 660
 661                 if (gpo->version == sysvol_gpt_version) {
 662                         break;
 663                 }
 664         }
 665
 666         DEBUG(10,("Name:\t\t\t%s (%s)\n", gpo->display_name, gpo->name));
 667         DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
 668                 sysvol_gpt_version,
 669                 GPO_VERSION_USER(sysvol_gpt_version),
 670                 GPO_VERSION_MACHINE(sysvol_gpt_version)));
 671         DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
 672                 gpo->version,
 673                 GPO_VERSION_USER(gpo->version),
 674                 GPO_VERSION_MACHINE(gpo->version)));
 675         DEBUGADD(10,("LDAP GPO link:\t\t%s\n", gpo->link));
 676
 677         result = NT_STATUS_OK;
 678
 679  out:
 680         return result;
 681
 682 }
 683
 684 /****************************************************************
 685  check wether the version numbers in the gpo_list match the locally stored, if
 686  not, go and get each required GPO via CIFS
 687  ****************************************************************/
 688
 689 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
 690                                 TALLOC_CTX *mem_ctx,
 691                                 const char *cache_dir,
 692                                 uint32_t flags,
 693                                 struct GROUP_POLICY_OBJECT *gpo_list)
 694 {
 695         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 696         struct GROUP_POLICY_OBJECT *gpo;
 697
 698         if (!gpo_list) {
 699                 return NT_STATUS_INVALID_PARAMETER;
 700         }
 701
 702         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 703
 704                 result = check_refresh_gpo(ads, mem_ctx, cache_dir, flags, gpo);
 705                 if (!NT_STATUS_IS_OK(result)) {
 706                         goto out;
 707                 }
 708         }
 709
 710         result = NT_STATUS_OK;
 711
 712  out:
 713         /* FIXME close cli connection */
 714
 715         return result;
 716 }
 717
 718 /****************************************************************
 719 ****************************************************************/
 720
 721 NTSTATUS gpo_get_unix_path(TALLOC_CTX *mem_ctx,
 722                            const char *cache_dir,
 723                            struct GROUP_POLICY_OBJECT *gpo,
 724                            char **unix_path)
 725 {
 726         char *server, *share, *nt_path;
 727         return gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
 728                                        &server, &share, &nt_path, unix_path);
 729 }
 730
 731 /****************************************************************
 732 ****************************************************************/
 733
 734 char *gpo_flag_str(TALLOC_CTX *ctx, uint32_t flags)
 735 {
 736         char *str = NULL;
 737
 738         if (flags == 0) {
 739                 return NULL;
 740         }
 741
 742         str = talloc_strdup(ctx, "");
 743         if (!str) {
 744                 return NULL;
 745         }
 746
 747         if (flags & GPO_INFO_FLAG_SLOWLINK)
 748                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_SLOWLINK ");
 749         if (flags & GPO_INFO_FLAG_VERBOSE)
 750                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_VERBOSE ");
 751         if (flags & GPO_INFO_FLAG_SAFEMODE_BOOT)
 752                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_SAFEMODE_BOOT ");
 753         if (flags & GPO_INFO_FLAG_NOCHANGES)
 754                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_NOCHANGES ");
 755         if (flags & GPO_INFO_FLAG_MACHINE)
 756                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_MACHINE ");
 757         if (flags & GPO_INFO_FLAG_LOGRSOP_TRANSITION)
 758                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_LOGRSOP_TRANSITION ");
 759         if (flags & GPO_INFO_FLAG_LINKTRANSITION)
 760                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_LINKTRANSITION ");
 761         if (flags & GPO_INFO_FLAG_FORCED_REFRESH)
 762                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_FORCED_REFRESH ");
 763         if (flags & GPO_INFO_FLAG_BACKGROUND)
 764                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_BACKGROUND ");
 765
 766         return str;
 767 }
 768
 769 /****************************************************************
 770 ****************************************************************/
 771
 772 NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
 773                       uint32_t flags,
 774                       const char *filename,
 775                       const char *suffix,
 776                       const char **filename_out)
 777 {
 778         const char *tmp = NULL;
 779         struct stat sbuf;
 780         const char *path = NULL;
 781
 782         if (flags & GPO_LIST_FLAG_MACHINE) {
 783                 path = "Machine";
 784         } else {
 785                 path = "User";
 786         }
 787
 788         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 789                               path, suffix);
 790         NT_STATUS_HAVE_NO_MEMORY(tmp);
 791
 792         if (stat(tmp, &sbuf) == 0) {
 793                 *filename_out = tmp;
 794                 return NT_STATUS_OK;
 795         }
 796
 797         path = talloc_strdup_upper(mem_ctx, path);
 798         NT_STATUS_HAVE_NO_MEMORY(path);
 799
 800         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 801                               path, suffix);
 802         NT_STATUS_HAVE_NO_MEMORY(tmp);
 803
 804         if (stat(tmp, &sbuf) == 0) {
 805                 *filename_out = tmp;
 806                 return NT_STATUS_OK;
 807         }
 808
 809         return NT_STATUS_NO_SUCH_FILE;
 810 }
 811
 812 /****************************************************************
 813 ****************************************************************/
 814
 815 ADS_STATUS gp_get_machine_token(ADS_STRUCT *ads,
 816                                 TALLOC_CTX *mem_ctx,
 817                                 const char *dn,
 818                                 struct security_token **token)
 819 {
 820 #ifdef HAVE_ADS
 821         struct security_token *ad_token = NULL;
 822         ADS_STATUS status;
 823         NTSTATUS ntstatus;
 824
 825         status = ads_get_sid_token(ads, mem_ctx, dn, &ad_token);
 826         if (!ADS_ERR_OK(status)) {
 827                 return status;
 828         }
 829         ntstatus = merge_nt_token(mem_ctx, ad_token, get_system_token(),
 830                                   token);
 831         if (!NT_STATUS_IS_OK(ntstatus)) {
 832                 return ADS_ERROR_NT(ntstatus);
 833         }
 834         return ADS_SUCCESS;
 835 #else
 836         return ADS_ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 837 #endif
 838 }