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 #define TALLOC_DEPRECATED 1
  20 #include "includes.h"
  21 #include "librpc/gen_ndr/ndr_misc.h"
  22 #if _SAMBA_BUILD_ == 4
  23 #include "system/filesys.h"
  24 #include "auth/auth.h"
  25 #include "../libgpo/gpo.h"
  26 #include "../lib/talloc/talloc.h"
  27 #include "source4/libgpo/ads_convenience.h"
  28 #endif
  29 #undef strdup
  30
  31 #if 0
  32 #define DEFAULT_DOMAIN_POLICY "Default Domain Policy"
  33 #define DEFAULT_DOMAIN_CONTROLLERS_POLICY "Default Domain Controllers Policy"
  34 #endif
  35
  36 /* should we store a parsed guid ? */
  37 struct gp_table {
  38         const char *name;
  39         const char *guid_string;
  40 };
  41
  42 #if 0 /* unused */
  43 static struct gp_table gpo_default_policy[] = {
  44         { DEFAULT_DOMAIN_POLICY,
  45                 "31B2F340-016D-11D2-945F-00C04FB984F9" },
  46         { DEFAULT_DOMAIN_CONTROLLERS_POLICY,
  47                 "6AC1786C-016F-11D2-945F-00C04fB984F9" },
  48         { NULL, NULL }
  49 };
  50 #endif
  51
  52 /* the following is seen in gPCMachineExtensionNames / gPCUserExtensionNames */
  53
  54 static struct gp_table gpo_cse_extensions[] = {
  55         /* used to be "Administrative Templates Extension" */
  56         /* "Registry Settings"
  57         (http://support.microsoft.com/kb/216357/EN-US/) */
  58         { "Registry Settings",
  59                 GP_EXT_GUID_REGISTRY },
  60         { "Microsoft Disc Quota",
  61                 "3610EDA5-77EF-11D2-8DC5-00C04FA31A66" },
  62         { "EFS recovery",
  63                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
  64         { "Folder Redirection",
  65                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
  66         { "IP Security",
  67                 "E437BC1C-AA7D-11D2-A382-00C04F991E27" },
  68         { "Internet Explorer Branding",
  69                 "A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B" },
  70         { "QoS Packet Scheduler",
  71                 "426031c0-0b47-4852-b0ca-ac3d37bfcb39" },
  72         { "Scripts",
  73                 GP_EXT_GUID_SCRIPTS },
  74         { "Security",
  75                 GP_EXT_GUID_SECURITY },
  76         { "Software Installation",
  77                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
  78         { "Wireless Group Policy",
  79                 "0ACDD40C-75AC-BAA0-BF6DE7E7FE63" },
  80         { "Application Management",
  81                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
  82         { "unknown",
  83                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
  84         { NULL, NULL }
  85 };
  86
  87 /* guess work */
  88 static struct gp_table gpo_cse_snapin_extensions[] = {
  89         { "Administrative Templates",
  90                 "0F6B957D-509E-11D1-A7CC-0000F87571E3" },
  91         { "Certificates",
  92                 "53D6AB1D-2488-11D1-A28C-00C04FB94F17" },
  93         { "EFS recovery policy processing",
  94                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
  95         { "Folder Redirection policy processing",
  96                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
  97         { "Folder Redirection",
  98                 "88E729D6-BDC1-11D1-BD2A-00C04FB9603F" },
  99         { "Registry policy processing",
 100                 "35378EAC-683F-11D2-A89A-00C04FBBCFA2" },
 101         { "Remote Installation Services",
 102                 "3060E8CE-7020-11D2-842D-00C04FA372D4" },
 103         { "Security Settings",
 104                 "803E14A0-B4FB-11D0-A0D0-00A0C90F574B" },
 105         { "Security policy processing",
 106                 "827D319E-6EAC-11D2-A4EA-00C04F79F83A" },
 107         { "unknown",
 108                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
 109         { "unknown2",
 110                 "53D6AB1B-2488-11D1-A28C-00C04FB94F17" },
 111         { NULL, NULL }
 112 };
 113
 114 /****************************************************************
 115 ****************************************************************/
 116
 117 static const char *name_to_guid_string(const char *name,
 118                                        struct gp_table *table)
 119 {
 120         int i;
 121
 122         for (i = 0; table[i].name; i++) {
 123                 if (strequal(name, table[i].name)) {
 124                         return table[i].guid_string;
 125                 }
 126         }
 127
 128         return NULL;
 129 }
 130
 131 /****************************************************************
 132 ****************************************************************/
 133
 134 static const char *guid_string_to_name(const char *guid_string,
 135                                        struct gp_table *table)
 136 {
 137         int i;
 138
 139         for (i = 0; table[i].guid_string; i++) {
 140                 if (strequal(guid_string, table[i].guid_string)) {
 141                         return table[i].name;
 142                 }
 143         }
 144
 145         return NULL;
 146 }
 147
 148 /****************************************************************
 149 ****************************************************************/
 150
 151 static const char *snapin_guid_string_to_name(const char *guid_string,
 152                                               struct gp_table *table)
 153 {
 154         int i;
 155         for (i = 0; table[i].guid_string; i++) {
 156                 if (strequal(guid_string, table[i].guid_string)) {
 157                         return table[i].name;
 158                 }
 159         }
 160         return NULL;
 161 }
 162
 163 #if 0 /* unused */
 164 static const char *default_gpo_name_to_guid_string(const char *name)
 165 {
 166         return name_to_guid_string(name, gpo_default_policy);
 167 }
 168
 169 static const char *default_gpo_guid_string_to_name(const char *guid)
 170 {
 171         return guid_string_to_name(guid, gpo_default_policy);
 172 }
 173 #endif
 174
 175 /****************************************************************
 176 ****************************************************************/
 177
 178 const char *cse_gpo_guid_string_to_name(const char *guid)
 179 {
 180         return guid_string_to_name(guid, gpo_cse_extensions);
 181 }
 182
 183 /****************************************************************
 184 ****************************************************************/
 185
 186 const char *cse_gpo_name_to_guid_string(const char *name)
 187 {
 188         return name_to_guid_string(name, gpo_cse_extensions);
 189 }
 190
 191 /****************************************************************
 192 ****************************************************************/
 193
 194 const char *cse_snapin_gpo_guid_string_to_name(const char *guid)
 195 {
 196         return snapin_guid_string_to_name(guid, gpo_cse_snapin_extensions);
 197 }
 198
 199 /****************************************************************
 200 ****************************************************************/
 201
 202 void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel)
 203 {
 204         int lvl = debuglevel;
 205         int i;
 206
 207         if (gp_ext == NULL) {
 208                 return;
 209         }
 210
 211         DEBUG(lvl,("\t---------------------\n\n"));
 212         DEBUGADD(lvl,("\tname:\t\t\t%s\n", gp_ext->gp_extension));
 213
 214         for (i=0; i< gp_ext->num_exts; i++) {
 215
 216                 DEBUGADD(lvl,("\textension:\t\t\t%s\n",
 217                         gp_ext->extensions_guid[i]));
 218                 DEBUGADD(lvl,("\textension (name):\t\t\t%s\n",
 219                         gp_ext->extensions[i]));
 220
 221                 DEBUGADD(lvl,("\tsnapin:\t\t\t%s\n",
 222                         gp_ext->snapins_guid[i]));
 223                 DEBUGADD(lvl,("\tsnapin (name):\t\t\t%s\n",
 224                         gp_ext->snapins[i]));
 225         }
 226 }
 227
 228 #ifdef HAVE_LDAP
 229
 230 /****************************************************************
 231 ****************************************************************/
 232
 233 void dump_gpo(ADS_STRUCT *ads,
 234               TALLOC_CTX *mem_ctx,
 235               struct GROUP_POLICY_OBJECT *gpo,
 236               int debuglevel)
 237 {
 238         int lvl = debuglevel;
 239
 240         if (gpo == NULL) {
 241                 return;
 242         }
 243
 244         DEBUG(lvl,("---------------------\n\n"));
 245
 246         DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
 247         DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
 248         DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
 249         DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n",
 250                 GPO_VERSION_USER(gpo->version),
 251                 GPO_VERSION_USER(gpo->version)));
 252         DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n",
 253                 GPO_VERSION_MACHINE(gpo->version),
 254                  GPO_VERSION_MACHINE(gpo->version)));
 255         DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
 256         DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
 257
 258         DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
 259         switch (gpo->options) {
 260                 case GPFLAGS_ALL_ENABLED:
 261                         DEBUGADD(lvl,("GPFLAGS_ALL_ENABLED\n"));
 262                         break;
 263                 case GPFLAGS_USER_SETTINGS_DISABLED:
 264                         DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED\n"));
 265                         break;
 266                 case GPFLAGS_MACHINE_SETTINGS_DISABLED:
 267                         DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED\n"));
 268                         break;
 269                 case GPFLAGS_ALL_DISABLED:
 270                         DEBUGADD(lvl,("GPFLAGS_ALL_DISABLED\n"));
 271                         break;
 272                 default:
 273                         DEBUGADD(lvl,("unknown option: %d\n", gpo->options));
 274                         break;
 275         }
 276
 277         DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
 278         DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
 279         switch (gpo->link_type) {
 280                 case GP_LINK_UNKOWN:
 281                         DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
 282                         break;
 283                 case GP_LINK_OU:
 284                         DEBUGADD(lvl,("GP_LINK_OU\n"));
 285                         break;
 286                 case GP_LINK_DOMAIN:
 287                         DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
 288                         break;
 289                 case GP_LINK_SITE:
 290                         DEBUGADD(lvl,("GP_LINK_SITE\n"));
 291                         break;
 292                 case GP_LINK_MACHINE:
 293                         DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
 294                         break;
 295                 default:
 296                         break;
 297         }
 298
 299         DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
 300
 301         if (gpo->machine_extensions) {
 302
 303                 struct GP_EXT *gp_ext = NULL;
 304
 305                 if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
 306                                       &gp_ext)) {
 307                         return;
 308                 }
 309                 dump_gp_ext(gp_ext, lvl);
 310         }
 311
 312         DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
 313
 314         if (gpo->user_extensions) {
 315
 316                 struct GP_EXT *gp_ext = NULL;
 317
 318                 if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
 319                                       &gp_ext)) {
 320                         return;
 321                 }
 322                 dump_gp_ext(gp_ext, lvl);
 323         }
 324         if (gpo->security_descriptor) {
 325                 DEBUGADD(lvl,("security descriptor:\n"));
 326
 327                 NDR_PRINT_DEBUG(security_descriptor, gpo->security_descriptor);
 328         }
 329 }
 330
 331 /****************************************************************
 332 ****************************************************************/
 333
 334 void dump_gpo_list(ADS_STRUCT *ads,
 335                    TALLOC_CTX *mem_ctx,
 336                    struct GROUP_POLICY_OBJECT *gpo_list,
 337                    int debuglevel)
 338 {
 339         struct GROUP_POLICY_OBJECT *gpo = NULL;
 340
 341         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 342                 dump_gpo(ads, mem_ctx, gpo, debuglevel);
 343         }
 344 }
 345
 346 /****************************************************************
 347 ****************************************************************/
 348
 349 void dump_gplink(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct GP_LINK *gp_link)
 350 {
 351         ADS_STATUS status;
 352         int i;
 353         int lvl = 10;
 354
 355         if (gp_link == NULL) {
 356                 return;
 357         }
 358
 359         DEBUG(lvl,("---------------------\n\n"));
 360
 361         DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
 362         DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
 363         switch (gp_link->gp_opts) {
 364                 case GPOPTIONS_INHERIT:
 365                         DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
 366                         break;
 367                 case GPOPTIONS_BLOCK_INHERITANCE:
 368                         DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
 369                         break;
 370                 default:
 371                         break;
 372         }
 373
 374         DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
 375
 376         for (i = 0; i < gp_link->num_links; i++) {
 377
 378                 DEBUGADD(lvl,("---------------------\n\n"));
 379
 380                 DEBUGADD(lvl,("link: #%d\n", i + 1));
 381                 DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
 382
 383                 DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
 384                 if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
 385                         DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
 386                 }
 387                 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
 388                         DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
 389                 }
 390                 DEBUGADD(lvl,("\n"));
 391
 392                 if (ads != NULL && mem_ctx != NULL) {
 393
 394                         struct GROUP_POLICY_OBJECT gpo;
 395
 396                         status = ads_get_gpo(ads, mem_ctx,
 397                                              gp_link->link_names[i],
 398                                              NULL, NULL, &gpo);
 399                         if (!ADS_ERR_OK(status)) {
 400                                 DEBUG(lvl,("get gpo for %s failed: %s\n",
 401                                         gp_link->link_names[i],
 402                                         ads_errstr(status)));
 403                                 return;
 404                         }
 405                         dump_gpo(ads, mem_ctx, &gpo, lvl);
 406                 }
 407         }
 408 }
 409
 410 #endif /* HAVE_LDAP */
 411
 412 /****************************************************************
 413 ****************************************************************/
 414
 415 static bool gpo_get_gp_ext_from_gpo(TALLOC_CTX *mem_ctx,
 416                                     uint32_t flags,
 417                                     struct GROUP_POLICY_OBJECT *gpo,
 418                                     struct GP_EXT **gp_ext)
 419 {
 420         ZERO_STRUCTP(*gp_ext);
 421
 422         if (flags & GPO_INFO_FLAG_MACHINE) {
 423
 424                 if (gpo->machine_extensions) {
 425
 426                         if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
 427                                               gp_ext)) {
 428                                 return false;
 429                         }
 430                 }
 431         } else {
 432
 433                 if (gpo->user_extensions) {
 434
 435                         if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
 436                                               gp_ext)) {
 437                                 return false;
 438                         }
 439                 }
 440         }
 441
 442         return true;
 443 }
 444
 445 /****************************************************************
 446 ****************************************************************/
 447
 448 ADS_STATUS gpo_process_a_gpo(ADS_STRUCT *ads,
 449                              TALLOC_CTX *mem_ctx,
 450                              const NT_USER_TOKEN *token,
 451                              struct registry_key *root_key,
 452                              struct GROUP_POLICY_OBJECT *gpo,
 453                              const char *extension_guid_filter,
 454                              uint32_t flags)
 455 {
 456         struct GP_EXT *gp_ext = NULL;
 457         int i;
 458
 459         DEBUG(10,("gpo_process_a_gpo: processing gpo %s (%s)\n",
 460                 gpo->name, gpo->display_name));
 461         if (extension_guid_filter) {
 462                 DEBUGADD(10,("gpo_process_a_gpo: using filter %s (%s)\n",
 463                         extension_guid_filter,
 464                         cse_gpo_guid_string_to_name(extension_guid_filter)));
 465         }
 466
 467         if (!gpo_get_gp_ext_from_gpo(mem_ctx, flags, gpo, &gp_ext)) {
 468                 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 469         }
 470
 471         if (!gp_ext || !gp_ext->num_exts) {
 472                 if (flags & GPO_INFO_FLAG_VERBOSE) {
 473                         DEBUG(0,("gpo_process_a_gpo: "
 474                                 "no policies in %s (%s) for this extension\n",
 475                                 gpo->name, gpo->display_name));
 476                 }
 477                 return ADS_SUCCESS;
 478         }
 479
 480         for (i=0; i<gp_ext->num_exts; i++) {
 481
 482                 NTSTATUS ntstatus;
 483
 484                 if (extension_guid_filter &&
 485                     !strequal(extension_guid_filter,
 486                               gp_ext->extensions_guid[i])) {
 487                         continue;
 488                 }
 489
 490                 ntstatus = gpext_process_extension(ads, mem_ctx,
 491                                                    flags, token, root_key, gpo,
 492                                                    gp_ext->extensions_guid[i],
 493                                                    gp_ext->snapins_guid[i]);
 494                 if (!NT_STATUS_IS_OK(ntstatus)) {
 495                         ADS_ERROR_NT(ntstatus);
 496                 }
 497         }
 498
 499         return ADS_SUCCESS;
 500 }
 501
 502 /****************************************************************
 503 ****************************************************************/
 504
 505 static ADS_STATUS gpo_process_gpo_list_by_ext(ADS_STRUCT *ads,
 506                                               TALLOC_CTX *mem_ctx,
 507                                               const NT_USER_TOKEN *token,
 508                                               struct registry_key *root_key,
 509                                               struct GROUP_POLICY_OBJECT *gpo_list,
 510                                               const char *extensions_guid,
 511                                               uint32_t flags)
 512 {
 513         ADS_STATUS status;
 514         struct GROUP_POLICY_OBJECT *gpo;
 515
 516         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 517
 518                 if (gpo->link_type == GP_LINK_LOCAL) {
 519                         continue;
 520                 }
 521
 522
 523                 /* FIXME: we need to pass down the *list* down to the
 524                  * extension, otherwise we cannot store the e.g. the *list* of
 525                  * logon-scripts correctly (for more then one GPO) */
 526
 527                 status = gpo_process_a_gpo(ads, mem_ctx, token, root_key,
 528                                            gpo, extensions_guid, flags);
 529
 530                 if (!ADS_ERR_OK(status)) {
 531                         DEBUG(0,("failed to process gpo by ext: %s\n",
 532                                 ads_errstr(status)));
 533                         return status;
 534                 }
 535         }
 536
 537         return ADS_SUCCESS;
 538 }
 539
 540 /****************************************************************
 541 ****************************************************************/
 542
 543 ADS_STATUS gpo_process_gpo_list(ADS_STRUCT *ads,
 544                                 TALLOC_CTX *mem_ctx,
 545                                 const NT_USER_TOKEN *token,
 546                                 struct GROUP_POLICY_OBJECT *gpo_list,
 547                                 const char *extensions_guid_filter,
 548                                 uint32_t flags)
 549 {
 550         ADS_STATUS status = ADS_SUCCESS;
 551         struct gp_extension *gp_ext_list = NULL;
 552         struct gp_extension *gp_ext = NULL;
 553         struct registry_key *root_key = NULL;
 554         struct gp_registry_context *reg_ctx = NULL;
 555 #if 0
 556         WERROR werr;
 557 #endif
 558         status = ADS_ERROR_NT(init_gp_extensions(mem_ctx));
 559         if (!ADS_ERR_OK(status)) {
 560                 return status;
 561         }
 562
 563         gp_ext_list = get_gp_extension_list();
 564         if (!gp_ext_list) {
 565                 return ADS_ERROR_NT(NT_STATUS_DLL_INIT_FAILED);
 566         }
 567 /* FIXME Needs to be replaced with new patchfile_preg calls */
 568 #if 0
 569         /* get the key here */
 570         if (flags & GPO_LIST_FLAG_MACHINE) {
 571                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKLM, REG_KEY_WRITE,
 572                                        get_system_token(),
 573                                        &reg_ctx);
 574         } else {
 575                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKCU, REG_KEY_WRITE,
 576                                        token,
 577                                        &reg_ctx);
 578         }
 579         if (!W_ERROR_IS_OK(werr)) {
 580                 talloc_free(reg_ctx);
 581                 return ADS_ERROR_NT(werror_to_ntstatus(werr));
 582         }
 583 #endif
 584
 585         root_key = reg_ctx->curr_key;
 586
 587         for (gp_ext = gp_ext_list; gp_ext; gp_ext = gp_ext->next) {
 588
 589                 const char *guid_str = NULL;
 590
 591                 guid_str = GUID_string(mem_ctx, gp_ext->guid);
 592                 if (!guid_str) {
 593                         status = ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
 594                         goto done;
 595                 }
 596
 597                 if (extensions_guid_filter &&
 598                     (!strequal(guid_str, extensions_guid_filter)))  {
 599                         continue;
 600                 }
 601
 602                 DEBUG(0,("-------------------------------------------------\n"));
 603                 DEBUG(0,("gpo_process_gpo_list: processing ext: %s {%s}\n",
 604                         gp_ext->name, guid_str));
 605
 606
 607                 status = gpo_process_gpo_list_by_ext(ads, mem_ctx, token,
 608                                                      root_key, gpo_list,
 609                                                      guid_str, flags);
 610                 if (!ADS_ERR_OK(status)) {
 611                         goto done;
 612                 }
 613         }
 614
 615  done:
 616         talloc_free(reg_ctx);
 617         talloc_free(root_key);
 618         free_gp_extensions();
 619
 620         return status;
 621 }
 622
 623
 624 /****************************************************************
 625  check wether the version number in a GROUP_POLICY_OBJECT match those of the
 626  locally stored version. If not, fetch the required policy via CIFS
 627 ****************************************************************/
 628
 629 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
 630                            TALLOC_CTX *mem_ctx,
 631                            const char *cache_dir,
 632                            struct loadparm_context *lp_ctx,
 633                            uint32_t flags,
 634                            struct GROUP_POLICY_OBJECT *gpo)
 635 {
 636         NTSTATUS result;
 637         char *server = NULL;
 638         char *share = NULL;
 639         char *nt_path = NULL;
 640         char *unix_path = NULL;
 641         uint32_t sysvol_gpt_version = 0;
 642         char *display_name = NULL;
 643
 644         result = gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
 645                                          &server, &share, &nt_path, &unix_path);
 646
 647         if (!NT_STATUS_IS_OK(result)) {
 648                 goto out;
 649         }
 650
 651         result = gpo_get_sysvol_gpt_version(mem_ctx,
 652                                             unix_path,
 653                                             &sysvol_gpt_version,
 654                                             &display_name);
 655         if (!NT_STATUS_IS_OK(result) &&
 656             !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
 657                 DEBUG(10,("check_refresh_gpo: "
 658                         "failed to get local gpt version: %s\n",
 659                         nt_errstr(result)));
 660                 goto out;
 661         }
 662
 663         DEBUG(10,("check_refresh_gpo: versions gpo %d sysvol %d\n",
 664                 gpo->version, sysvol_gpt_version));
 665
 666         /* FIXME: handle GPO_INFO_FLAG_FORCED_REFRESH from flags */
 667
 668         while (gpo->version > sysvol_gpt_version) {
 669
 670                 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
 671
 672                 result = gpo_fetch_files(mem_ctx, ads, lp_ctx, cache_dir, gpo);
 673                 if (!NT_STATUS_IS_OK(result)) {
 674                         goto out;
 675                 }
 676
 677                 result = gpo_get_sysvol_gpt_version(mem_ctx,
 678                                                     unix_path,
 679                                                     &sysvol_gpt_version,
 680                                                     &display_name);
 681                 if (!NT_STATUS_IS_OK(result)) {
 682                         DEBUG(10,("check_refresh_gpo: "
 683                                 "failed to get local gpt version: %s\n",
 684                                 nt_errstr(result)));
 685                         goto out;
 686                 }
 687
 688                 if (gpo->version == sysvol_gpt_version) {
 689                         break;
 690                 }
 691         }
 692
 693         DEBUG(10,("Name:\t\t\t%s (%s)\n", gpo->display_name, gpo->name));
 694         DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
 695                 sysvol_gpt_version,
 696                 GPO_VERSION_USER(sysvol_gpt_version),
 697                 GPO_VERSION_MACHINE(sysvol_gpt_version)));
 698         DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
 699                 gpo->version,
 700                 GPO_VERSION_USER(gpo->version),
 701                 GPO_VERSION_MACHINE(gpo->version)));
 702         DEBUGADD(10,("LDAP GPO link:\t\t%s\n", gpo->link));
 703
 704         result = NT_STATUS_OK;
 705
 706  out:
 707         return result;
 708
 709 }
 710
 711 /****************************************************************
 712  check wether the version numbers in the gpo_list match the locally stored, if
 713  not, go and get each required GPO via CIFS
 714  ****************************************************************/
 715
 716 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
 717                                 TALLOC_CTX *mem_ctx,
 718                                 const char *cache_dir,
 719                                 struct loadparm_context *lp_ctx,
 720                                 uint32_t flags,
 721                                 struct GROUP_POLICY_OBJECT *gpo_list)
 722 {
 723         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 724         struct GROUP_POLICY_OBJECT *gpo;
 725
 726         if (!gpo_list) {
 727                 return NT_STATUS_INVALID_PARAMETER;
 728         }
 729
 730         for (gpo = gpo_list; gpo; gpo = gpo->next) {
 731
 732                 result = check_refresh_gpo(ads, mem_ctx, cache_dir, lp_ctx, flags, gpo);
 733                 if (!NT_STATUS_IS_OK(result)) {
 734                         goto out;
 735                 }
 736         }
 737
 738         result = NT_STATUS_OK;
 739
 740  out:
 741         /* FIXME close cli connection */
 742
 743         return result;
 744 }
 745
 746 /****************************************************************
 747 ****************************************************************/
 748
 749 NTSTATUS gpo_get_unix_path(TALLOC_CTX *mem_ctx,
 750                            const char *cache_dir,
 751                            struct GROUP_POLICY_OBJECT *gpo,
 752                            char **unix_path)
 753 {
 754         char *server, *share, *nt_path;
 755         return gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
 756                                        &server, &share, &nt_path, unix_path);
 757 }
 758
 759 /****************************************************************
 760 ****************************************************************/
 761
 762 char *gpo_flag_str(TALLOC_CTX *ctx, uint32_t flags)
 763 {
 764         char *str = NULL;
 765
 766         if (flags == 0) {
 767                 return NULL;
 768         }
 769
 770         if (flags & GPO_INFO_FLAG_SLOWLINK)
 771                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_SLOWLINK ");
 772         if (flags & GPO_INFO_FLAG_VERBOSE)
 773                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_VERBOSE ");
 774         if (flags & GPO_INFO_FLAG_SAFEMODE_BOOT)
 775                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_SAFEMODE_BOOT ");
 776         if (flags & GPO_INFO_FLAG_NOCHANGES)
 777                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_NOCHANGES ");
 778         if (flags & GPO_INFO_FLAG_MACHINE)
 779                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_MACHINE ");
 780         if (flags & GPO_INFO_FLAG_LOGRSOP_TRANSITION)
 781                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_LOGRSOP_TRANSITION ");
 782         if (flags & GPO_INFO_FLAG_LINKTRANSITION)
 783                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_LINKTRANSITION ");
 784         if (flags & GPO_INFO_FLAG_FORCED_REFRESH)
 785                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_FORCED_REFRESH ");
 786         if (flags & GPO_INFO_FLAG_BACKGROUND)
 787                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_BACKGROUND ");
 788
 789         return str;
 790 }
 791
 792 /****************************************************************
 793 ****************************************************************/
 794
 795 NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
 796                       uint32_t flags,
 797                       const char *filename,
 798                       const char *suffix,
 799                       const char **filename_out)
 800 {
 801         const char *tmp = NULL;
 802         struct stat sbuf;
 803         const char *path = NULL;
 804
 805         if (flags & GPO_LIST_FLAG_MACHINE) {
 806                 path = "Machine";
 807         } else {
 808                 path = "User";
 809         }
 810
 811         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 812                               path, suffix);
 813         NT_STATUS_HAVE_NO_MEMORY(tmp);
 814
 815         if (stat(tmp, &sbuf) == 0) {
 816                 *filename_out = tmp;
 817                 return NT_STATUS_OK;
 818         }
 819
 820         path = talloc_strdup_upper(mem_ctx, path);
 821         NT_STATUS_HAVE_NO_MEMORY(path);
 822
 823         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
 824                               path, suffix);
 825         NT_STATUS_HAVE_NO_MEMORY(tmp);
 826
 827         if (stat(tmp, &sbuf) == 0) {
 828                 *filename_out = tmp;
 829                 return NT_STATUS_OK;
 830         }
 831
 832         return NT_STATUS_NO_SUCH_FILE;
 833 }
 834
 835 /****************************************************************
 836 ****************************************************************/
 837
 838 ADS_STATUS gp_get_machine_token(ADS_STRUCT *ads,
 839                                 TALLOC_CTX *mem_ctx,
 840                                 struct loadparm_context *lp_ctx,
 841                                 const char *dn,
 842                                 NT_USER_TOKEN **token)
 843 {
 844         NT_USER_TOKEN *ad_token = NULL;
 845         ADS_STATUS status;
 846 #if _SAMBA_BUILD_ == 4
 847         struct auth_session_info *info;
 848 #else
 849         NTSTATUS ntstatus;
 850 #endif
 851
 852 #ifndef HAVE_ADS
 853         return ADS_ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 854 #endif
 855         status = ads_get_sid_token(ads, mem_ctx, dn, &ad_token);
 856         if (!ADS_ERR_OK(status)) {
 857                 return status;
 858         }
 859 #if _SAMBA_BUILD_ == 4
 860         info = system_session(mem_ctx, lp_ctx);
 861         *token = info->security_token;
 862 #else
 863         ntstatus = merge_nt_token(mem_ctx, ad_token, get_system_token(),
 864                                   token);
 865         if (!NT_STATUS_IS_OK(ntstatus)) {
 866                 return ADS_ERROR_NT(ntstatus);
 867         }
 868 #endif
 869         return ADS_SUCCESS;
 870 }