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 NTSTATUS gpo_process_a_gpo(TALLOC_CTX *mem_ctx,
 447                            const struct security_token *token,
 448                            struct registry_key *root_key,
 449                            struct GROUP_POLICY_OBJECT *gpo,
 450                            const char *extension_guid_filter,
 451                            uint32_t flags)
 452 {
 453         struct GP_EXT *gp_ext = NULL;
 454         int i;
 455
 456         DEBUG(10,("gpo_process_a_gpo: processing gpo %s (%s)\n",
 457                 gpo->name, gpo->display_name));
 458         if (extension_guid_filter) {
 459                 DEBUGADD(10,("gpo_process_a_gpo: using filter %s (%s)\n",
 460                         extension_guid_filter,
 461                         cse_gpo_guid_string_to_name(extension_guid_filter)));
 462         }
 463
 464         if (!gpo_get_gp_ext_from_gpo(mem_ctx, flags, gpo, &gp_ext)) {
 465                 return NT_STATUS_INVALID_PARAMETER;
 466         }
 467
 468         if (!gp_ext || !gp_ext->num_exts) {
 469                 if (flags & GPO_INFO_FLAG_VERBOSE) {
 470                         DEBUG(0,("gpo_process_a_gpo: "
 471                                 "no policies in %s (%s) for this extension\n",
 472                                 gpo->name, gpo->display_name));
 473                 }
 474                 return NT_STATUS_OK;
 475         }
 476
 477         for (i=0; i<gp_ext->num_exts; i++) {
 478
 479                 NTSTATUS ntstatus;
 480
 481                 if (extension_guid_filter &&
 482                     !strequal(extension_guid_filter,
 483                               gp_ext->extensions_guid[i])) {
 484                         continue;
 485                 }
 486
 487                 ntstatus = gpext_process_extension(mem_ctx,
 488                                                    flags, token, root_key, gpo,
 489                                                    gp_ext->extensions_guid[i],
 490                                                    gp_ext->snapins_guid[i]);
 491                 if (!NT_STATUS_IS_OK(ntstatus)) {
 492                         return ntstatus;
 493                 }
 494         }
 495
 496         return NT_STATUS_OK;
 497 }
 498
 499 /****************************************************************
 500 ****************************************************************/
 501
 502 static NTSTATUS gpo_process_gpo_list_by_ext(TALLOC_CTX *mem_ctx,
 503                                             const struct security_token *token,
 504                                             struct registry_key *root_key,
 505                                             struct GROUP_POLICY_OBJECT *gpo_list,
 506                                             const char *extensions_guid,
 507                                             uint32_t flags)
 508 {
 509         NTSTATUS status;
 510         struct GROUP_POLICY_OBJECT *gpo;
 511
 512         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 513
 514                 if (gpo->link_type == GP_LINK_LOCAL) {
 515                         continue;
 516                 }
 517
 518
 519                 /* FIXME: we need to pass down the *list* down to the
 520                  * extension, otherwise we cannot store the e.g. the *list* of
 521                  * logon-scripts correctly (for more then one GPO) */
 522
 523                 status = gpo_process_a_gpo(mem_ctx, token, root_key,
 524                                            gpo, extensions_guid, flags);
 525
 526                 if (!NT_STATUS_IS_OK(status)) {
 527                         DEBUG(0,("failed to process gpo by ext: %s\n",
 528                                 nt_errstr(status)));
 529                         return status;
 530                 }
 531         }
 532
 533         return NT_STATUS_OK;
 534 }
 535
 536 /****************************************************************
 537 ****************************************************************/
 538
 539 NTSTATUS gpo_process_gpo_list(TALLOC_CTX *mem_ctx,
 540                               const struct security_token *token,
 541                               struct GROUP_POLICY_OBJECT *gpo_list,
 542                               const char *extensions_guid_filter,
 543                               uint32_t flags)
 544 {
 545         NTSTATUS status = NT_STATUS_OK;
 546         struct gp_extension *gp_ext_list = NULL;
 547         struct gp_extension *gp_ext = NULL;
 548         struct registry_key *root_key = NULL;
 549         struct gp_registry_context *reg_ctx = NULL;
 550         WERROR werr;
 551
 552         status = init_gp_extensions(mem_ctx);
 553         if (!NT_STATUS_IS_OK(status)) {
 554                 return status;
 555         }
 556
 557         gp_ext_list = get_gp_extension_list();
 558         if (!gp_ext_list) {
 559                 return NT_STATUS_DLL_INIT_FAILED;
 560         }
 561
 562         /* get the key here */
 563         if (flags & GPO_LIST_FLAG_MACHINE) {
 564                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKLM, REG_KEY_WRITE,
 565                                        get_system_token(),
 566                                        &reg_ctx);
 567         } else {
 568                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKCU, REG_KEY_WRITE,
 569                                        token,
 570                                        &reg_ctx);
 571         }
 572         if (!W_ERROR_IS_OK(werr)) {
 573                 talloc_free(reg_ctx);
 574                 return werror_to_ntstatus(werr);
 575         }
 576
 577         root_key = reg_ctx->curr_key;
 578
 579         for (gp_ext = gp_ext_list; gp_ext; gp_ext = gp_ext->next) {
 580
 581                 const char *guid_str = NULL;
 582
 583                 guid_str = GUID_string(mem_ctx, gp_ext->guid);
 584                 if (!guid_str) {
 585                         status = NT_STATUS_NO_MEMORY;
 586                         goto done;
 587                 }
 588
 589                 if (extensions_guid_filter &&
 590                     (!strequal(guid_str, extensions_guid_filter)))  {
 591                         continue;
 592                 }
 593
 594                 DEBUG(0,("-------------------------------------------------\n"));
 595                 DEBUG(0,("gpo_process_gpo_list: processing ext: %s {%s}\n",
 596                         gp_ext->name, guid_str));
 597
 598
 599                 status = gpo_process_gpo_list_by_ext(mem_ctx, token,
 600                                                      root_key, gpo_list,
 601                                                      guid_str, flags);
 602                 if (!NT_STATUS_IS_OK(status)) {
 603                         goto done;
 604                 }
 605         }
 606
 607  done:
 608         talloc_free(reg_ctx);
 609         talloc_free(root_key);
 610         free_gp_extensions();
 611
 612         return status;
 613 }
 614
 615
 616 /****************************************************************
 617  check wether the version number in a GROUP_POLICY_OBJECT match those of the
 618  locally stored version. If not, fetch the required policy via CIFS
 619 ****************************************************************/
 620
 621 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
 622                            TALLOC_CTX *mem_ctx,
 623                            const char *cache_dir,
 624                            uint32_t flags,
 625                            struct GROUP_POLICY_OBJECT *gpo)
 626 {
 627         NTSTATUS result;
 628         char *server = NULL;
 629         char *share = NULL;
 630         char *nt_path = NULL;
 631         char *unix_path = NULL;
 632         uint32_t sysvol_gpt_version = 0;
 633         char *display_name = NULL;
 634
 635         result = gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
 636                                          &server, &share, &nt_path, &unix_path);
 637
 638         if (!NT_STATUS_IS_OK(result)) {
 639                 goto out;
 640         }
 641
 642         result = gpo_get_sysvol_gpt_version(mem_ctx,
 643                                             unix_path,
 644                                             &sysvol_gpt_version,
 645                                             &display_name);
 646         if (!NT_STATUS_IS_OK(result) &&
 647             !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
 648                 DEBUG(10,("check_refresh_gpo: "
 649                         "failed to get local gpt version: %s\n",
 650                         nt_errstr(result)));
 651                 goto out;
 652         }
 653
 654         DEBUG(10,("check_refresh_gpo: versions gpo %d sysvol %d\n",
 655                 gpo->version, sysvol_gpt_version));
 656
 657         /* FIXME: handle GPO_INFO_FLAG_FORCED_REFRESH from flags */
 658
 659         while (gpo->version > sysvol_gpt_version) {
 660
 661                 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
 662
 663                 result = gpo_fetch_files(mem_ctx, ads, cache_dir, gpo);
 664                 if (!NT_STATUS_IS_OK(result)) {
 665                         goto out;
 666                 }
 667
 668                 result = gpo_get_sysvol_gpt_version(mem_ctx,
 669                                                     unix_path,
 670                                                     &sysvol_gpt_version,
 671                                                     &display_name);
 672                 if (!NT_STATUS_IS_OK(result)) {
 673                         DEBUG(10,("check_refresh_gpo: "
 674                                 "failed to get local gpt version: %s\n",
 675                                 nt_errstr(result)));
 676                         goto out;
 677                 }
 678
 679                 if (gpo->version == sysvol_gpt_version) {
 680                         break;
 681                 }
 682         }
 683
 684         DEBUG(10,("Name:\t\t\t%s (%s)\n", gpo->display_name, gpo->name));
 685         DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
 686                 sysvol_gpt_version,
 687                 GPO_VERSION_USER(sysvol_gpt_version),
 688                 GPO_VERSION_MACHINE(sysvol_gpt_version)));
 689         DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
 690                 gpo->version,
 691                 GPO_VERSION_USER(gpo->version),
 692                 GPO_VERSION_MACHINE(gpo->version)));
 693         DEBUGADD(10,("LDAP GPO link:\t\t%s\n", gpo->link));
 694
 695         result = NT_STATUS_OK;
 696
 697  out:
 698         return result;
 699
 700 }
 701
 702 /****************************************************************
 703  check wether the version numbers in the gpo_list match the locally stored, if
 704  not, go and get each required GPO via CIFS
 705  ****************************************************************/
 706
 707 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
 708                                 TALLOC_CTX *mem_ctx,
 709                                 const char *cache_dir,
 710                                 uint32_t flags,
 711                                 struct GROUP_POLICY_OBJECT *gpo_list)
 712 {
 713         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 714         struct GROUP_POLICY_OBJECT *gpo;
 715
 716         if (!gpo_list) {
 717                 return NT_STATUS_INVALID_PARAMETER;
 718         }
 719
 720         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 721
 722                 result = check_refresh_gpo(ads, mem_ctx, cache_dir, flags, gpo);
 723                 if (!NT_STATUS_IS_OK(result)) {
 724                         goto out;
 725                 }
 726         }
 727
 728         result = NT_STATUS_OK;
 729
 730  out:
 731         /* FIXME close cli connection */
 732
 733         return result;
 734 }
 735
 736 /****************************************************************
 737 ****************************************************************/
 738
 739 NTSTATUS gpo_get_unix_path(TALLOC_CTX *mem_ctx,
 740                            const char *cache_dir,
 741                            struct GROUP_POLICY_OBJECT *gpo,
 742                            char **unix_path)
 743 {
 744         char *server, *share, *nt_path;
 745         return gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
 746                                        &server, &share, &nt_path, unix_path);
 747 }
 748
 749 /****************************************************************
 750 ****************************************************************/
 751
 752 char *gpo_flag_str(TALLOC_CTX *ctx, uint32_t flags)
 753 {
 754         char *str = NULL;
 755
 756         if (flags == 0) {
 757                 return NULL;
 758         }
 759
 760         str = talloc_strdup(ctx, "");
 761         if (!str) {
 762                 return NULL;
 763         }
 764
 765         if (flags & GPO_INFO_FLAG_SLOWLINK)
 766                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_SLOWLINK ");
 767         if (flags & GPO_INFO_FLAG_VERBOSE)
 768                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_VERBOSE ");
 769         if (flags & GPO_INFO_FLAG_SAFEMODE_BOOT)
 770                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_SAFEMODE_BOOT ");
 771         if (flags & GPO_INFO_FLAG_NOCHANGES)
 772                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_NOCHANGES ");
 773         if (flags & GPO_INFO_FLAG_MACHINE)
 774                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_MACHINE ");
 775         if (flags & GPO_INFO_FLAG_LOGRSOP_TRANSITION)
 776                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_LOGRSOP_TRANSITION ");
 777         if (flags & GPO_INFO_FLAG_LINKTRANSITION)
 778                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_LINKTRANSITION ");
 779         if (flags & GPO_INFO_FLAG_FORCED_REFRESH)
 780                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_FORCED_REFRESH ");
 781         if (flags & GPO_INFO_FLAG_BACKGROUND)
 782                 str = talloc_strdup_append(str, "GPO_INFO_FLAG_BACKGROUND ");
 783
 784         return str;
 785 }
 786
 787 /****************************************************************
 788 ****************************************************************/
 789
 790 NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
 791                       uint32_t flags,
 792                       const char *filename,
 793                       const char *suffix,
 794                       const char **filename_out)
 795 {
 796         const char *tmp = NULL;
 797         struct stat sbuf;
 798         const char *path = NULL;
 799
 800         if (flags & GPO_LIST_FLAG_MACHINE) {
 801                 path = "Machine";
 802         } else {
 803                 path = "User";
 804         }
 805
 806         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 807                               path, suffix);
 808         NT_STATUS_HAVE_NO_MEMORY(tmp);
 809
 810         if (stat(tmp, &sbuf) == 0) {
 811                 *filename_out = tmp;
 812                 return NT_STATUS_OK;
 813         }
 814
 815         path = talloc_strdup_upper(mem_ctx, path);
 816         NT_STATUS_HAVE_NO_MEMORY(path);
 817
 818         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 819                               path, suffix);
 820         NT_STATUS_HAVE_NO_MEMORY(tmp);
 821
 822         if (stat(tmp, &sbuf) == 0) {
 823                 *filename_out = tmp;
 824                 return NT_STATUS_OK;
 825         }
 826
 827         return NT_STATUS_NO_SUCH_FILE;
 828 }
 829
 830 /****************************************************************
 831 ****************************************************************/
 832
 833 ADS_STATUS gp_get_machine_token(ADS_STRUCT *ads,
 834                                 TALLOC_CTX *mem_ctx,
 835                                 const char *dn,
 836                                 struct security_token **token)
 837 {
 838 #ifdef HAVE_ADS
 839         struct security_token *ad_token = NULL;
 840         ADS_STATUS status;
 841         NTSTATUS ntstatus;
 842
 843         status = ads_get_sid_token(ads, mem_ctx, dn, &ad_token);
 844         if (!ADS_ERR_OK(status)) {
 845                 return status;
 846         }
 847         ntstatus = merge_nt_token(mem_ctx, ad_token, get_system_token(),
 848                                   token);
 849         if (!NT_STATUS_IS_OK(ntstatus)) {
 850                 return ADS_ERROR_NT(ntstatus);
 851         }
 852         return ADS_SUCCESS;
 853 #else
 854         return ADS_ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 855 #endif
 856 }