source3/libnet/libnet_join.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  libnet Join Support
   4  *  Copyright (C) Gerald (Jerry) Carter 2006
   5  *  Copyright (C) Guenther Deschner 2007-2008
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "includes.h"
  22 #include "libnet/libnet.h"
  23
  24 /****************************************************************
  25 ****************************************************************/
  26
  27 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
  28         do { \
  29                 char *str = NULL; \
  30                 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
  31                 DEBUG(1,("libnet_Join:\n%s", str)); \
  32                 TALLOC_FREE(str); \
  33         } while (0)
  34
  35 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
  36         LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
  37 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
  38         LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
  39
  40 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
  41         do { \
  42                 char *str = NULL; \
  43                 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
  44                 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
  45                 TALLOC_FREE(str); \
  46         } while (0)
  47
  48 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
  49         LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
  50 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
  51         LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
  52
  53 #define W_ERROR_NOT_OK_GOTO_DONE(x) do { \
  54         if (!W_ERROR_IS_OK(x)) {\
  55                 goto done;\
  56         }\
  57 } while (0)
  58
  59 /****************************************************************
  60 ****************************************************************/
  61
  62 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
  63                                          struct libnet_JoinCtx *r,
  64                                          const char *format, ...)
  65 {
  66         va_list args;
  67
  68         if (r->out.error_string) {
  69                 return;
  70         }
  71
  72         va_start(args, format);
  73         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  74         va_end(args);
  75 }
  76
  77 /****************************************************************
  78 ****************************************************************/
  79
  80 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
  81                                            struct libnet_UnjoinCtx *r,
  82                                            const char *format, ...)
  83 {
  84         va_list args;
  85
  86         if (r->out.error_string) {
  87                 return;
  88         }
  89
  90         va_start(args, format);
  91         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  92         va_end(args);
  93 }
  94
  95 #ifdef WITH_ADS
  96
  97 /****************************************************************
  98 ****************************************************************/
  99
 100 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
 101                                      const char *netbios_domain_name,
 102                                      const char *dc_name,
 103                                      const char *user_name,
 104                                      const char *password,
 105                                      ADS_STRUCT **ads)
 106 {
 107         ADS_STATUS status;
 108         ADS_STRUCT *my_ads = NULL;
 109
 110         my_ads = ads_init(dns_domain_name,
 111                           netbios_domain_name,
 112                           dc_name);
 113         if (!my_ads) {
 114                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 115         }
 116
 117         if (user_name) {
 118                 SAFE_FREE(my_ads->auth.user_name);
 119                 my_ads->auth.user_name = SMB_STRDUP(user_name);
 120         }
 121
 122         if (password) {
 123                 SAFE_FREE(my_ads->auth.password);
 124                 my_ads->auth.password = SMB_STRDUP(password);
 125         }
 126
 127         status = ads_connect_user_creds(my_ads);
 128         if (!ADS_ERR_OK(status)) {
 129                 ads_destroy(&my_ads);
 130                 return status;
 131         }
 132
 133         *ads = my_ads;
 134         return ADS_SUCCESS;
 135 }
 136
 137 /****************************************************************
 138 ****************************************************************/
 139
 140 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
 141                                           struct libnet_JoinCtx *r)
 142 {
 143         ADS_STATUS status;
 144
 145         status = libnet_connect_ads(r->out.dns_domain_name,
 146                                     r->out.netbios_domain_name,
 147                                     r->in.dc_name,
 148                                     r->in.admin_account,
 149                                     r->in.admin_password,
 150                                     &r->in.ads);
 151         if (!ADS_ERR_OK(status)) {
 152                 libnet_join_set_error_string(mem_ctx, r,
 153                         "failed to connect to AD: %s",
 154                         ads_errstr(status));
 155                 return status;
 156         }
 157
 158         if (!r->out.netbios_domain_name) {
 159                 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
 160                                                            r->in.ads->server.workgroup);
 161                 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
 162         }
 163
 164         if (!r->out.dns_domain_name) {
 165                 r->out.dns_domain_name = talloc_strdup(mem_ctx,
 166                                                        r->in.ads->config.realm);
 167                 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
 168         }
 169
 170         r->out.domain_is_ad = true;
 171
 172         return ADS_SUCCESS;
 173 }
 174
 175 /****************************************************************
 176 ****************************************************************/
 177
 178 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
 179                                             struct libnet_UnjoinCtx *r)
 180 {
 181         ADS_STATUS status;
 182
 183         status = libnet_connect_ads(r->in.domain_name,
 184                                     r->in.domain_name,
 185                                     r->in.dc_name,
 186                                     r->in.admin_account,
 187                                     r->in.admin_password,
 188                                     &r->in.ads);
 189         if (!ADS_ERR_OK(status)) {
 190                 libnet_unjoin_set_error_string(mem_ctx, r,
 191                         "failed to connect to AD: %s",
 192                         ads_errstr(status));
 193         }
 194
 195         return status;
 196 }
 197
 198 /****************************************************************
 199  join a domain using ADS (LDAP mods)
 200 ****************************************************************/
 201
 202 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
 203                                                      struct libnet_JoinCtx *r)
 204 {
 205         ADS_STATUS status;
 206         LDAPMessage *res = NULL;
 207         const char *attrs[] = { "dn", NULL };
 208         bool moved = false;
 209
 210         status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
 211         if (!ADS_ERR_OK(status)) {
 212                 return status;
 213         }
 214
 215         status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
 216         if (!ADS_ERR_OK(status)) {
 217                 return status;
 218         }
 219
 220         if (ads_count_replies(r->in.ads, res) != 1) {
 221                 ads_msgfree(r->in.ads, res);
 222                 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
 223         }
 224
 225         ads_msgfree(r->in.ads, res);
 226
 227         /* Attempt to create the machine account and bail if this fails.
 228            Assume that the admin wants exactly what they requested */
 229
 230         status = ads_create_machine_acct(r->in.ads,
 231                                          r->in.machine_name,
 232                                          r->in.account_ou);
 233
 234         if (ADS_ERR_OK(status)) {
 235                 DEBUG(1,("machine account creation created\n"));
 236                 return status;
 237         } else  if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
 238                     (status.err.rc == LDAP_ALREADY_EXISTS)) {
 239                 status = ADS_SUCCESS;
 240         }
 241
 242         if (!ADS_ERR_OK(status)) {
 243                 DEBUG(1,("machine account creation failed\n"));
 244                 return status;
 245         }
 246
 247         status = ads_move_machine_acct(r->in.ads,
 248                                        r->in.machine_name,
 249                                        r->in.account_ou,
 250                                        &moved);
 251         if (!ADS_ERR_OK(status)) {
 252                 DEBUG(1,("failure to locate/move pre-existing "
 253                         "machine account\n"));
 254                 return status;
 255         }
 256
 257         DEBUG(1,("The machine account %s the specified OU.\n",
 258                 moved ? "was moved into" : "already exists in"));
 259
 260         return status;
 261 }
 262
 263 /****************************************************************
 264 ****************************************************************/
 265
 266 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
 267                                                     struct libnet_UnjoinCtx *r)
 268 {
 269         ADS_STATUS status;
 270
 271         if (!r->in.ads) {
 272                 return libnet_unjoin_connect_ads(mem_ctx, r);
 273         }
 274
 275         status = ads_leave_realm(r->in.ads, r->in.machine_name);
 276         if (!ADS_ERR_OK(status)) {
 277                 libnet_unjoin_set_error_string(mem_ctx, r,
 278                         "failed to leave realm: %s",
 279                         ads_errstr(status));
 280                 return status;
 281         }
 282
 283         return ADS_SUCCESS;
 284 }
 285
 286 /****************************************************************
 287 ****************************************************************/
 288
 289 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
 290                                                 struct libnet_JoinCtx *r)
 291 {
 292         ADS_STATUS status;
 293         LDAPMessage *res = NULL;
 294         char *dn = NULL;
 295
 296         if (!r->in.machine_name) {
 297                 return ADS_ERROR(LDAP_NO_MEMORY);
 298         }
 299
 300         status = ads_find_machine_acct(r->in.ads,
 301                                        &res,
 302                                        r->in.machine_name);
 303         if (!ADS_ERR_OK(status)) {
 304                 return status;
 305         }
 306
 307         if (ads_count_replies(r->in.ads, res) != 1) {
 308                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 309                 goto done;
 310         }
 311
 312         dn = ads_get_dn(r->in.ads, res);
 313         if (!dn) {
 314                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 315                 goto done;
 316         }
 317
 318         r->out.dn = talloc_strdup(mem_ctx, dn);
 319         if (!r->out.dn) {
 320                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 321                 goto done;
 322         }
 323
 324  done:
 325         ads_msgfree(r->in.ads, res);
 326         ads_memfree(r->in.ads, dn);
 327
 328         return status;
 329 }
 330
 331 /****************************************************************
 332  Set a machines dNSHostName and servicePrincipalName attributes
 333 ****************************************************************/
 334
 335 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
 336                                               struct libnet_JoinCtx *r)
 337 {
 338         ADS_STATUS status;
 339         ADS_MODLIST mods;
 340         fstring my_fqdn;
 341         const char *spn_array[3] = {NULL, NULL, NULL};
 342         char *spn = NULL;
 343
 344         /* Find our DN */
 345
 346         status = libnet_join_find_machine_acct(mem_ctx, r);
 347         if (!ADS_ERR_OK(status)) {
 348                 return status;
 349         }
 350
 351         /* Windows only creates HOST/shortname & HOST/fqdn. */
 352
 353         spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
 354         if (!spn) {
 355                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 356         }
 357         strupper_m(spn);
 358         spn_array[0] = spn;
 359
 360         if (!name_to_fqdn(my_fqdn, r->in.machine_name)
 361             || (strchr(my_fqdn, '.') == NULL)) {
 362                 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
 363                              r->out.dns_domain_name);
 364         }
 365
 366         strlower_m(my_fqdn);
 367
 368         if (!strequal(my_fqdn, r->in.machine_name)) {
 369                 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
 370                 if (!spn) {
 371                         return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 372                 }
 373                 spn_array[1] = spn;
 374         }
 375
 376         mods = ads_init_mods(mem_ctx);
 377         if (!mods) {
 378                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 379         }
 380
 381         /* fields of primary importance */
 382
 383         status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
 384         if (!ADS_ERR_OK(status)) {
 385                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 386         }
 387
 388         status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
 389                                  spn_array);
 390         if (!ADS_ERR_OK(status)) {
 391                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 392         }
 393
 394         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 395 }
 396
 397 /****************************************************************
 398 ****************************************************************/
 399
 400 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
 401                                               struct libnet_JoinCtx *r)
 402 {
 403         ADS_STATUS status;
 404         ADS_MODLIST mods;
 405
 406         if (!r->in.create_upn) {
 407                 return ADS_SUCCESS;
 408         }
 409
 410         /* Find our DN */
 411
 412         status = libnet_join_find_machine_acct(mem_ctx, r);
 413         if (!ADS_ERR_OK(status)) {
 414                 return status;
 415         }
 416
 417         if (!r->in.upn) {
 418                 r->in.upn = talloc_asprintf(mem_ctx,
 419                                             "host/%s@%s",
 420                                             r->in.machine_name,
 421                                             r->out.dns_domain_name);
 422                 if (!r->in.upn) {
 423                         return ADS_ERROR(LDAP_NO_MEMORY);
 424                 }
 425         }
 426
 427         /* now do the mods */
 428
 429         mods = ads_init_mods(mem_ctx);
 430         if (!mods) {
 431                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 432         }
 433
 434         /* fields of primary importance */
 435
 436         status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
 437         if (!ADS_ERR_OK(status)) {
 438                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 439         }
 440
 441         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 442 }
 443
 444
 445 /****************************************************************
 446 ****************************************************************/
 447
 448 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
 449                                                 struct libnet_JoinCtx *r)
 450 {
 451         ADS_STATUS status;
 452         ADS_MODLIST mods;
 453         char *os_sp = NULL;
 454
 455         if (!r->in.os_name || !r->in.os_version ) {
 456                 return ADS_SUCCESS;
 457         }
 458
 459         /* Find our DN */
 460
 461         status = libnet_join_find_machine_acct(mem_ctx, r);
 462         if (!ADS_ERR_OK(status)) {
 463                 return status;
 464         }
 465
 466         /* now do the mods */
 467
 468         mods = ads_init_mods(mem_ctx);
 469         if (!mods) {
 470                 return ADS_ERROR(LDAP_NO_MEMORY);
 471         }
 472
 473         os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
 474         if (!os_sp) {
 475                 return ADS_ERROR(LDAP_NO_MEMORY);
 476         }
 477
 478         /* fields of primary importance */
 479
 480         status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
 481                              r->in.os_name);
 482         if (!ADS_ERR_OK(status)) {
 483                 return status;
 484         }
 485
 486         status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
 487                              r->in.os_version);
 488         if (!ADS_ERR_OK(status)) {
 489                 return status;
 490         }
 491
 492         status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
 493                              os_sp);
 494         if (!ADS_ERR_OK(status)) {
 495                 return status;
 496         }
 497
 498         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 499 }
 500
 501 /****************************************************************
 502 ****************************************************************/
 503
 504 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
 505                                       struct libnet_JoinCtx *r)
 506 {
 507         if (!USE_SYSTEM_KEYTAB) {
 508                 return true;
 509         }
 510
 511         if (ads_keytab_create_default(r->in.ads) != 0) {
 512                 return false;
 513         }
 514
 515         return true;
 516 }
 517
 518 /****************************************************************
 519 ****************************************************************/
 520
 521 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
 522                                                  struct libnet_JoinCtx *r)
 523 {
 524         uint32_t domain_func;
 525         ADS_STATUS status;
 526         const char *salt = NULL;
 527         char *std_salt = NULL;
 528
 529         status = ads_domain_func_level(r->in.ads, &domain_func);
 530         if (!ADS_ERR_OK(status)) {
 531                 libnet_join_set_error_string(mem_ctx, r,
 532                         "failed to determine domain functional level: %s",
 533                         ads_errstr(status));
 534                 return false;
 535         }
 536
 537         /* go ahead and setup the default salt */
 538
 539         std_salt = kerberos_standard_des_salt();
 540         if (!std_salt) {
 541                 libnet_join_set_error_string(mem_ctx, r,
 542                         "failed to obtain standard DES salt");
 543                 return false;
 544         }
 545
 546         salt = talloc_strdup(mem_ctx, std_salt);
 547         if (!salt) {
 548                 return false;
 549         }
 550
 551         SAFE_FREE(std_salt);
 552
 553         /* if it's a Windows functional domain, we have to look for the UPN */
 554
 555         if (domain_func == DS_DOMAIN_FUNCTION_2000) {
 556                 char *upn;
 557
 558                 upn = ads_get_upn(r->in.ads, mem_ctx,
 559                                   r->in.machine_name);
 560                 if (upn) {
 561                         salt = talloc_strdup(mem_ctx, upn);
 562                         if (!salt) {
 563                                 return false;
 564                         }
 565                 }
 566         }
 567
 568         return kerberos_secrets_store_des_salt(salt);
 569 }
 570
 571 /****************************************************************
 572 ****************************************************************/
 573
 574 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
 575                                                   struct libnet_JoinCtx *r)
 576 {
 577         ADS_STATUS status;
 578
 579         if (!r->in.ads) {
 580                 status = libnet_join_connect_ads(mem_ctx, r);
 581                 if (!ADS_ERR_OK(status)) {
 582                         return status;
 583                 }
 584         }
 585
 586         status = libnet_join_set_machine_spn(mem_ctx, r);
 587         if (!ADS_ERR_OK(status)) {
 588                 libnet_join_set_error_string(mem_ctx, r,
 589                         "failed to set machine spn: %s",
 590                         ads_errstr(status));
 591                 return status;
 592         }
 593
 594         status = libnet_join_set_os_attributes(mem_ctx, r);
 595         if (!ADS_ERR_OK(status)) {
 596                 libnet_join_set_error_string(mem_ctx, r,
 597                         "failed to set machine os attributes: %s",
 598                         ads_errstr(status));
 599                 return status;
 600         }
 601
 602         status = libnet_join_set_machine_upn(mem_ctx, r);
 603         if (!ADS_ERR_OK(status)) {
 604                 libnet_join_set_error_string(mem_ctx, r,
 605                         "failed to set machine upn: %s",
 606                         ads_errstr(status));
 607                 return status;
 608         }
 609
 610         if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
 611                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 612         }
 613
 614         if (!libnet_join_create_keytab(mem_ctx, r)) {
 615                 libnet_join_set_error_string(mem_ctx, r,
 616                         "failed to create kerberos keytab");
 617                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 618         }
 619
 620         return ADS_SUCCESS;
 621 }
 622 #endif /* WITH_ADS */
 623
 624 /****************************************************************
 625  Store the machine password and domain SID
 626 ****************************************************************/
 627
 628 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
 629                                                  struct libnet_JoinCtx *r)
 630 {
 631         if (!secrets_store_domain_sid(r->out.netbios_domain_name,
 632                                       r->out.domain_sid))
 633         {
 634                 DEBUG(1,("Failed to save domain sid\n"));
 635                 return false;
 636         }
 637
 638         if (!secrets_store_machine_password(r->in.machine_password,
 639                                             r->out.netbios_domain_name,
 640                                             r->in.secure_channel_type))
 641         {
 642                 DEBUG(1,("Failed to save machine password\n"));
 643                 return false;
 644         }
 645
 646         return true;
 647 }
 648
 649 /****************************************************************
 650  Connect dc's IPC$ share
 651 ****************************************************************/
 652
 653 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
 654                                            const char *user,
 655                                            const char *pass,
 656                                            bool use_kerberos,
 657                                            struct cli_state **cli)
 658 {
 659         int flags = 0;
 660
 661         if (use_kerberos) {
 662                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
 663         }
 664
 665         if (use_kerberos && pass) {
 666                 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 667         }
 668
 669         return cli_full_connection(cli, NULL,
 670                                    dc,
 671                                    NULL, 0,
 672                                    "IPC$", "IPC",
 673                                    user,
 674                                    NULL,
 675                                    pass,
 676                                    flags,
 677                                    Undefined, NULL);
 678 }
 679
 680 /****************************************************************
 681  Lookup domain dc's info
 682 ****************************************************************/
 683
 684 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
 685                                           struct libnet_JoinCtx *r,
 686                                           struct cli_state **cli)
 687 {
 688         struct rpc_pipe_client *pipe_hnd = NULL;
 689         POLICY_HND lsa_pol;
 690         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 691         union lsa_PolicyInformation *info = NULL;
 692
 693         status = libnet_join_connect_dc_ipc(r->in.dc_name,
 694                                             r->in.admin_account,
 695                                             r->in.admin_password,
 696                                             r->in.use_kerberos,
 697                                             cli);
 698         if (!NT_STATUS_IS_OK(status)) {
 699                 goto done;
 700         }
 701
 702         status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
 703                                           &pipe_hnd);
 704         if (!NT_STATUS_IS_OK(status)) {
 705                 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
 706                         nt_errstr(status)));
 707                 goto done;
 708         }
 709
 710         status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
 711                                         SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
 712         if (!NT_STATUS_IS_OK(status)) {
 713                 goto done;
 714         }
 715
 716         status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
 717                                              &lsa_pol,
 718                                              LSA_POLICY_INFO_DNS,
 719                                              &info);
 720         if (NT_STATUS_IS_OK(status)) {
 721                 r->out.domain_is_ad = true;
 722                 r->out.netbios_domain_name = info->dns.name.string;
 723                 r->out.dns_domain_name = info->dns.dns_domain.string;
 724                 r->out.forest_name = info->dns.dns_forest.string;
 725                 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
 726                 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
 727         }
 728
 729         if (!NT_STATUS_IS_OK(status)) {
 730                 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
 731                                                     &lsa_pol,
 732                                                     LSA_POLICY_INFO_ACCOUNT_DOMAIN,
 733                                                     &info);
 734                 if (!NT_STATUS_IS_OK(status)) {
 735                         goto done;
 736                 }
 737
 738                 r->out.netbios_domain_name = info->account_domain.name.string;
 739                 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
 740                 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
 741         }
 742
 743         rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
 744         TALLOC_FREE(pipe_hnd);
 745
 746  done:
 747         return status;
 748 }
 749
 750 /****************************************************************
 751  Do the domain join
 752 ****************************************************************/
 753
 754 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 755                                            struct libnet_JoinCtx *r,
 756                                            struct cli_state *cli)
 757 {
 758         struct rpc_pipe_client *pipe_hnd = NULL;
 759         POLICY_HND sam_pol, domain_pol, user_pol;
 760         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 761         char *acct_name;
 762         struct lsa_String lsa_acct_name;
 763         uint32_t user_rid;
 764         uint32_t acct_flags = ACB_WSTRUST;
 765         struct samr_Ids user_rids;
 766         struct samr_Ids name_types;
 767         union samr_UserInfo user_info;
 768
 769         struct samr_CryptPassword crypt_pwd;
 770         struct samr_CryptPasswordEx crypt_pwd_ex;
 771
 772         ZERO_STRUCT(sam_pol);
 773         ZERO_STRUCT(domain_pol);
 774         ZERO_STRUCT(user_pol);
 775
 776         if (!r->in.machine_password) {
 777                 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
 778                 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
 779         }
 780
 781         /* Open the domain */
 782
 783         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
 784                                           &pipe_hnd);
 785         if (!NT_STATUS_IS_OK(status)) {
 786                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
 787                         nt_errstr(status)));
 788                 goto done;
 789         }
 790
 791         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 792                                       pipe_hnd->desthost,
 793                                       SAMR_ACCESS_ENUM_DOMAINS
 794                                       | SAMR_ACCESS_OPEN_DOMAIN,
 795                                       &sam_pol);
 796         if (!NT_STATUS_IS_OK(status)) {
 797                 goto done;
 798         }
 799
 800         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
 801                                         &sam_pol,
 802                                         SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
 803                                         | SAMR_DOMAIN_ACCESS_CREATE_USER
 804                                         | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
 805                                         r->out.domain_sid,
 806                                         &domain_pol);
 807         if (!NT_STATUS_IS_OK(status)) {
 808                 goto done;
 809         }
 810
 811         /* Create domain user */
 812
 813         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 814         strlower_m(acct_name);
 815
 816         init_lsa_String(&lsa_acct_name, acct_name);
 817
 818         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
 819                 uint32_t access_desired =
 820                         SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
 821                         SEC_STD_WRITE_DAC | SEC_STD_DELETE |
 822                         SAMR_USER_ACCESS_SET_PASSWORD |
 823                         SAMR_USER_ACCESS_GET_ATTRIBUTES |
 824                         SAMR_USER_ACCESS_SET_ATTRIBUTES;
 825                 uint32_t access_granted = 0;
 826
 827                 /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
 828
 829                 DEBUG(10,("Creating account with desired access mask: %d\n",
 830                         access_desired));
 831
 832                 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
 833                                                  &domain_pol,
 834                                                  &lsa_acct_name,
 835                                                  ACB_WSTRUST,
 836                                                  access_desired,
 837                                                  &user_pol,
 838                                                  &access_granted,
 839                                                  &user_rid);
 840                 if (!NT_STATUS_IS_OK(status) &&
 841                     !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 842
 843                         DEBUG(10,("Creation of workstation account failed: %s\n",
 844                                 nt_errstr(status)));
 845
 846                         /* If NT_STATUS_ACCESS_DENIED then we have a valid
 847                            username/password combo but the user does not have
 848                            administrator access. */
 849
 850                         if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
 851                                 libnet_join_set_error_string(mem_ctx, r,
 852                                         "User specified does not have "
 853                                         "administrator privileges");
 854                         }
 855
 856                         goto done;
 857                 }
 858
 859                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 860                         if (!(r->in.join_flags &
 861                               WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
 862                                 goto done;
 863                         }
 864                 }
 865
 866                 /* We *must* do this.... don't ask... */
 867
 868                 if (NT_STATUS_IS_OK(status)) {
 869                         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 870                 }
 871         }
 872
 873         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
 874                                          &domain_pol,
 875                                          1,
 876                                          &lsa_acct_name,
 877                                          &user_rids,
 878                                          &name_types);
 879         if (!NT_STATUS_IS_OK(status)) {
 880                 goto done;
 881         }
 882
 883         if (name_types.ids[0] != SID_NAME_USER) {
 884                 DEBUG(0,("%s is not a user account (type=%d)\n",
 885                         acct_name, name_types.ids[0]));
 886                 status = NT_STATUS_INVALID_WORKSTATION;
 887                 goto done;
 888         }
 889
 890         user_rid = user_rids.ids[0];
 891
 892         /* Open handle on user */
 893
 894         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 895                                       &domain_pol,
 896                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 897                                       user_rid,
 898                                       &user_pol);
 899         if (!NT_STATUS_IS_OK(status)) {
 900                 goto done;
 901         }
 902
 903         /* Fill in the additional account flags now */
 904
 905         acct_flags |= ACB_PWNOEXP;
 906         if (r->out.domain_is_ad) {
 907 #if !defined(ENCTYPE_ARCFOUR_HMAC)
 908                 acct_flags |= ACB_USE_DES_KEY_ONLY;
 909 #endif
 910                 ;;
 911         }
 912
 913         /* Set account flags on machine account */
 914         ZERO_STRUCT(user_info.info16);
 915         user_info.info16.acct_flags = acct_flags;
 916
 917         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
 918                                          &user_pol,
 919                                          16,
 920                                          &user_info);
 921
 922         if (!NT_STATUS_IS_OK(status)) {
 923
 924                 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
 925                                        &user_pol);
 926
 927                 libnet_join_set_error_string(mem_ctx, r,
 928                         "Failed to set account flags for machine account (%s)\n",
 929                         nt_errstr(status));
 930                 goto done;
 931         }
 932
 933         /* Set password on machine account - first try level 26 */
 934
 935         init_samr_CryptPasswordEx(r->in.machine_password,
 936                                   &cli->user_session_key,
 937                                   &crypt_pwd_ex);
 938
 939         user_info.info26.password = crypt_pwd_ex;
 940         user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
 941
 942         status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
 943                                           &user_pol,
 944                                           26,
 945                                           &user_info);
 946
 947         if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
 948
 949                 /* retry with level 24 */
 950
 951                 init_samr_CryptPassword(r->in.machine_password,
 952                                         &cli->user_session_key,
 953                                         &crypt_pwd);
 954
 955                 user_info.info24.password = crypt_pwd;
 956                 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
 957
 958                 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
 959                                                   &user_pol,
 960                                                   24,
 961                                                   &user_info);
 962         }
 963
 964         if (!NT_STATUS_IS_OK(status)) {
 965
 966                 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
 967                                        &user_pol);
 968
 969                 libnet_join_set_error_string(mem_ctx, r,
 970                         "Failed to set password for machine account (%s)\n",
 971                         nt_errstr(status));
 972                 goto done;
 973         }
 974
 975         status = NT_STATUS_OK;
 976
 977  done:
 978         if (!pipe_hnd) {
 979                 return status;
 980         }
 981
 982         if (is_valid_policy_hnd(&sam_pol)) {
 983                 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
 984         }
 985         if (is_valid_policy_hnd(&domain_pol)) {
 986                 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
 987         }
 988         if (is_valid_policy_hnd(&user_pol)) {
 989                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 990         }
 991         TALLOC_FREE(pipe_hnd);
 992
 993         return status;
 994 }
 995
 996 /****************************************************************
 997 ****************************************************************/
 998
 999 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1000                         const char *machine_name,
1001                         const char *dc_name)
1002 {
1003         uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1004         struct cli_state *cli = NULL;
1005         struct rpc_pipe_client *pipe_hnd = NULL;
1006         struct rpc_pipe_client *netlogon_pipe = NULL;
1007         NTSTATUS status;
1008         char *machine_password = NULL;
1009         char *machine_account = NULL;
1010
1011         if (!dc_name) {
1012                 return NT_STATUS_INVALID_PARAMETER;
1013         }
1014
1015         if (!secrets_init()) {
1016                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1017         }
1018
1019         machine_password = secrets_fetch_machine_password(netbios_domain_name,
1020                                                           NULL, NULL);
1021         if (!machine_password) {
1022                 return NT_STATUS_NO_TRUST_LSA_SECRET;
1023         }
1024
1025         if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1026                 SAFE_FREE(machine_password);
1027                 return NT_STATUS_NO_MEMORY;
1028         }
1029
1030         status = cli_full_connection(&cli, NULL,
1031                                      dc_name,
1032                                      NULL, 0,
1033                                      "IPC$", "IPC",
1034                                      machine_account,
1035                                      NULL,
1036                                      machine_password,
1037                                      0,
1038                                      Undefined, NULL);
1039         free(machine_account);
1040         free(machine_password);
1041
1042         if (!NT_STATUS_IS_OK(status)) {
1043                 status = cli_full_connection(&cli, NULL,
1044                                              dc_name,
1045                                              NULL, 0,
1046                                              "IPC$", "IPC",
1047                                              "",
1048                                              NULL,
1049                                              "",
1050                                              0,
1051                                              Undefined, NULL);
1052         }
1053
1054         if (!NT_STATUS_IS_OK(status)) {
1055                 return status;
1056         }
1057
1058         status = get_schannel_session_key(cli, netbios_domain_name,
1059                                           &neg_flags, &netlogon_pipe);
1060         if (!NT_STATUS_IS_OK(status)) {
1061                 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1062                         cli_shutdown(cli);
1063                         return NT_STATUS_OK;
1064                 }
1065
1066                 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1067                         "key from server %s for domain %s. Error was %s\n",
1068                 cli->desthost, netbios_domain_name, nt_errstr(status)));
1069                 cli_shutdown(cli);
1070                 return status;
1071         }
1072
1073         if (!lp_client_schannel()) {
1074                 cli_shutdown(cli);
1075                 return NT_STATUS_OK;
1076         }
1077
1078         status = cli_rpc_pipe_open_schannel_with_key(
1079                 cli, &ndr_table_netlogon.syntax_id, PIPE_AUTH_LEVEL_PRIVACY,
1080                 netbios_domain_name, netlogon_pipe->dc, &pipe_hnd);
1081
1082         cli_shutdown(cli);
1083
1084         if (!NT_STATUS_IS_OK(status)) {
1085                 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1086                         "on netlogon pipe to server %s for domain %s. "
1087                         "Error was %s\n",
1088                         cli->desthost, netbios_domain_name, nt_errstr(status)));
1089                 return status;
1090         }
1091
1092         return NT_STATUS_OK;
1093 }
1094
1095 /****************************************************************
1096 ****************************************************************/
1097
1098 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1099                                       struct libnet_JoinCtx *r)
1100 {
1101         NTSTATUS status;
1102
1103         status = libnet_join_ok(r->out.netbios_domain_name,
1104                                 r->in.machine_name,
1105                                 r->in.dc_name);
1106         if (!NT_STATUS_IS_OK(status)) {
1107                 libnet_join_set_error_string(mem_ctx, r,
1108                         "failed to verify domain membership after joining: %s",
1109                         get_friendly_nt_error_msg(status));
1110                 return WERR_SETUP_NOT_JOINED;
1111         }
1112
1113         return WERR_OK;
1114 }
1115
1116 /****************************************************************
1117 ****************************************************************/
1118
1119 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1120                                                     struct libnet_UnjoinCtx *r)
1121 {
1122         if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1123                 return false;
1124         }
1125
1126         if (!secrets_delete_domain_sid(lp_workgroup())) {
1127                 return false;
1128         }
1129
1130         return true;
1131 }
1132
1133 /****************************************************************
1134 ****************************************************************/
1135
1136 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1137                                              struct libnet_UnjoinCtx *r)
1138 {
1139         struct cli_state *cli = NULL;
1140         struct rpc_pipe_client *pipe_hnd = NULL;
1141         POLICY_HND sam_pol, domain_pol, user_pol;
1142         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1143         char *acct_name;
1144         uint32_t user_rid;
1145         struct lsa_String lsa_acct_name;
1146         struct samr_Ids user_rids;
1147         struct samr_Ids name_types;
1148         union samr_UserInfo *info = NULL;
1149
1150         ZERO_STRUCT(sam_pol);
1151         ZERO_STRUCT(domain_pol);
1152         ZERO_STRUCT(user_pol);
1153
1154         status = libnet_join_connect_dc_ipc(r->in.dc_name,
1155                                             r->in.admin_account,
1156                                             r->in.admin_password,
1157                                             r->in.use_kerberos,
1158                                             &cli);
1159         if (!NT_STATUS_IS_OK(status)) {
1160                 goto done;
1161         }
1162
1163         /* Open the domain */
1164
1165         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1166                                           &pipe_hnd);
1167         if (!NT_STATUS_IS_OK(status)) {
1168                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1169                         nt_errstr(status)));
1170                 goto done;
1171         }
1172
1173         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1174                                       pipe_hnd->desthost,
1175                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1176                                       &sam_pol);
1177         if (!NT_STATUS_IS_OK(status)) {
1178                 goto done;
1179         }
1180
1181         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1182                                         &sam_pol,
1183                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
1184                                         r->in.domain_sid,
1185                                         &domain_pol);
1186         if (!NT_STATUS_IS_OK(status)) {
1187                 goto done;
1188         }
1189
1190         /* Create domain user */
1191
1192         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1193         strlower_m(acct_name);
1194
1195         init_lsa_String(&lsa_acct_name, acct_name);
1196
1197         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1198                                          &domain_pol,
1199                                          1,
1200                                          &lsa_acct_name,
1201                                          &user_rids,
1202                                          &name_types);
1203
1204         if (!NT_STATUS_IS_OK(status)) {
1205                 goto done;
1206         }
1207
1208         if (name_types.ids[0] != SID_NAME_USER) {
1209                 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1210                         name_types.ids[0]));
1211                 status = NT_STATUS_INVALID_WORKSTATION;
1212                 goto done;
1213         }
1214
1215         user_rid = user_rids.ids[0];
1216
1217         /* Open handle on user */
1218
1219         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1220                                       &domain_pol,
1221                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1222                                       user_rid,
1223                                       &user_pol);
1224         if (!NT_STATUS_IS_OK(status)) {
1225                 goto done;
1226         }
1227
1228         /* Get user info */
1229
1230         status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1231                                            &user_pol,
1232                                            16,
1233                                            &info);
1234         if (!NT_STATUS_IS_OK(status)) {
1235                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1236                 goto done;
1237         }
1238
1239         /* now disable and setuser info */
1240
1241         info->info16.acct_flags |= ACB_DISABLED;
1242
1243         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1244                                          &user_pol,
1245                                          16,
1246                                          info);
1247
1248         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1249
1250 done:
1251         if (pipe_hnd) {
1252                 if (is_valid_policy_hnd(&domain_pol)) {
1253                         rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1254                 }
1255                 if (is_valid_policy_hnd(&sam_pol)) {
1256                         rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1257                 }
1258                 TALLOC_FREE(pipe_hnd);
1259         }
1260
1261         if (cli) {
1262                 cli_shutdown(cli);
1263         }
1264
1265         return status;
1266 }
1267
1268 /****************************************************************
1269 ****************************************************************/
1270
1271 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1272 {
1273         WERROR werr;
1274         struct smbconf_ctx *ctx;
1275
1276         werr = smbconf_init_reg(r, &ctx, NULL);
1277         if (!W_ERROR_IS_OK(werr)) {
1278                 goto done;
1279         }
1280
1281         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1282
1283                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1284                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1285
1286                 werr = smbconf_set_global_parameter(ctx, "workgroup",
1287                                                     r->in.domain_name);
1288
1289                 smbconf_delete_global_parameter(ctx, "realm");
1290                 goto done;
1291         }
1292
1293         werr = smbconf_set_global_parameter(ctx, "security", "domain");
1294         W_ERROR_NOT_OK_GOTO_DONE(werr);
1295
1296         werr = smbconf_set_global_parameter(ctx, "workgroup",
1297                                             r->out.netbios_domain_name);
1298         W_ERROR_NOT_OK_GOTO_DONE(werr);
1299
1300         if (r->out.domain_is_ad) {
1301                 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1302                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1303
1304                 werr = smbconf_set_global_parameter(ctx, "realm",
1305                                                     r->out.dns_domain_name);
1306                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1307         }
1308
1309  done:
1310         smbconf_shutdown(ctx);
1311         return werr;
1312 }
1313
1314 /****************************************************************
1315 ****************************************************************/
1316
1317 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1318 {
1319         WERROR werr = WERR_OK;
1320         struct smbconf_ctx *ctx;
1321
1322         werr = smbconf_init_reg(r, &ctx, NULL);
1323         if (!W_ERROR_IS_OK(werr)) {
1324                 goto done;
1325         }
1326
1327         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1328
1329                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1330                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1331
1332                 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1333                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1334
1335                 smbconf_delete_global_parameter(ctx, "realm");
1336         }
1337
1338  done:
1339         smbconf_shutdown(ctx);
1340         return werr;
1341 }
1342
1343 /****************************************************************
1344 ****************************************************************/
1345
1346 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1347 {
1348         WERROR werr;
1349
1350         if (!W_ERROR_IS_OK(r->out.result)) {
1351                 return r->out.result;
1352         }
1353
1354         if (!r->in.modify_config) {
1355                 return WERR_OK;
1356         }
1357
1358         werr = do_join_modify_vals_config(r);
1359         if (!W_ERROR_IS_OK(werr)) {
1360                 return werr;
1361         }
1362
1363         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1364
1365         r->out.modified_config = true;
1366         r->out.result = werr;
1367
1368         return werr;
1369 }
1370
1371 /****************************************************************
1372 ****************************************************************/
1373
1374 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1375 {
1376         WERROR werr;
1377
1378         if (!W_ERROR_IS_OK(r->out.result)) {
1379                 return r->out.result;
1380         }
1381
1382         if (!r->in.modify_config) {
1383                 return WERR_OK;
1384         }
1385
1386         werr = do_unjoin_modify_vals_config(r);
1387         if (!W_ERROR_IS_OK(werr)) {
1388                 return werr;
1389         }
1390
1391         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1392
1393         r->out.modified_config = true;
1394         r->out.result = werr;
1395
1396         return werr;
1397 }
1398
1399 /****************************************************************
1400 ****************************************************************/
1401
1402 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1403                                    const char *domain_str,
1404                                    const char **domain_p,
1405                                    const char **dc_p)
1406 {
1407         char *domain = NULL;
1408         char *dc = NULL;
1409         const char *p = NULL;
1410
1411         if (!domain_str || !domain_p || !dc_p) {
1412                 return false;
1413         }
1414
1415         p = strchr_m(domain_str, '\\');
1416
1417         if (p != NULL) {
1418                 domain = talloc_strndup(mem_ctx, domain_str,
1419                                          PTR_DIFF(p, domain_str));
1420                 dc = talloc_strdup(mem_ctx, p+1);
1421                 if (!dc) {
1422                         return false;
1423                 }
1424         } else {
1425                 domain = talloc_strdup(mem_ctx, domain_str);
1426                 dc = NULL;
1427         }
1428         if (!domain) {
1429                 return false;
1430         }
1431
1432         *domain_p = domain;
1433
1434         if (!*dc_p && dc) {
1435                 *dc_p = dc;
1436         }
1437
1438         return true;
1439 }
1440
1441 /****************************************************************
1442 ****************************************************************/
1443
1444 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1445                                          struct libnet_JoinCtx *r)
1446 {
1447         if (!r->in.domain_name) {
1448                 libnet_join_set_error_string(mem_ctx, r,
1449                         "No domain name defined");
1450                 return WERR_INVALID_PARAM;
1451         }
1452
1453         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1454                                     &r->in.domain_name,
1455                                     &r->in.dc_name)) {
1456                 libnet_join_set_error_string(mem_ctx, r,
1457                         "Failed to parse domain name");
1458                 return WERR_INVALID_PARAM;
1459         }
1460
1461         if (IS_DC) {
1462                 return WERR_SETUP_DOMAIN_CONTROLLER;
1463         }
1464
1465         if (!secrets_init()) {
1466                 libnet_join_set_error_string(mem_ctx, r,
1467                         "Unable to open secrets database");
1468                 return WERR_CAN_NOT_COMPLETE;
1469         }
1470
1471         return WERR_OK;
1472 }
1473
1474 /****************************************************************
1475 ****************************************************************/
1476
1477 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1478 {
1479         NTSTATUS status;
1480
1481         /* Try adding dom admins to builtin\admins. Only log failures. */
1482         status = create_builtin_administrators(domain_sid);
1483         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1484                 DEBUG(10,("Unable to auto-add domain administrators to "
1485                           "BUILTIN\\Administrators during join because "
1486                           "winbindd must be running."));
1487         } else if (!NT_STATUS_IS_OK(status)) {
1488                 DEBUG(5, ("Failed to auto-add domain administrators to "
1489                           "BUILTIN\\Administrators during join: %s\n",
1490                           nt_errstr(status)));
1491         }
1492
1493         /* Try adding dom users to builtin\users. Only log failures. */
1494         status = create_builtin_users(domain_sid);
1495         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1496                 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1497                           "during join because winbindd must be running."));
1498         } else if (!NT_STATUS_IS_OK(status)) {
1499                 DEBUG(5, ("Failed to auto-add domain administrators to "
1500                           "BUILTIN\\Administrators during join: %s\n",
1501                           nt_errstr(status)));
1502         }
1503 }
1504
1505 /****************************************************************
1506 ****************************************************************/
1507
1508 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1509                                           struct libnet_JoinCtx *r)
1510 {
1511         WERROR werr;
1512
1513         if (!W_ERROR_IS_OK(r->out.result)) {
1514                 return r->out.result;
1515         }
1516
1517         werr = do_JoinConfig(r);
1518         if (!W_ERROR_IS_OK(werr)) {
1519                 return werr;
1520         }
1521
1522         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1523                 return WERR_OK;
1524         }
1525
1526         saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1527         if (r->out.dns_domain_name) {
1528                 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1529         }
1530
1531 #ifdef WITH_ADS
1532         if (r->out.domain_is_ad) {
1533                 ADS_STATUS ads_status;
1534
1535                 ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
1536                 if (!ADS_ERR_OK(ads_status)) {
1537                         return WERR_GENERAL_FAILURE;
1538                 }
1539         }
1540 #endif /* WITH_ADS */
1541
1542         libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1543
1544         return WERR_OK;
1545 }
1546
1547 /****************************************************************
1548 ****************************************************************/
1549
1550 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1551 {
1552         const char *krb5_cc_env = NULL;
1553
1554         if (r->in.ads) {
1555                 ads_destroy(&r->in.ads);
1556         }
1557
1558         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1559         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1560                 unsetenv(KRB5_ENV_CCNAME);
1561         }
1562
1563         return 0;
1564 }
1565
1566 /****************************************************************
1567 ****************************************************************/
1568
1569 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1570 {
1571         const char *krb5_cc_env = NULL;
1572
1573         if (r->in.ads) {
1574                 ads_destroy(&r->in.ads);
1575         }
1576
1577         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1578         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1579                 unsetenv(KRB5_ENV_CCNAME);
1580         }
1581
1582         return 0;
1583 }
1584
1585 /****************************************************************
1586 ****************************************************************/
1587
1588 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1589                            struct libnet_JoinCtx **r)
1590 {
1591         struct libnet_JoinCtx *ctx;
1592         const char *krb5_cc_env = NULL;
1593
1594         ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1595         if (!ctx) {
1596                 return WERR_NOMEM;
1597         }
1598
1599         talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1600
1601         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1602         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1603
1604         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1605         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1606                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1607                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1608                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1609         }
1610
1611         ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1612
1613         *r = ctx;
1614
1615         return WERR_OK;
1616 }
1617
1618 /****************************************************************
1619 ****************************************************************/
1620
1621 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1622                              struct libnet_UnjoinCtx **r)
1623 {
1624         struct libnet_UnjoinCtx *ctx;
1625         const char *krb5_cc_env = NULL;
1626
1627         ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1628         if (!ctx) {
1629                 return WERR_NOMEM;
1630         }
1631
1632         talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1633
1634         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1635         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1636
1637         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1638         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1639                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1640                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1641                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1642         }
1643
1644         *r = ctx;
1645
1646         return WERR_OK;
1647 }
1648
1649 /****************************************************************
1650 ****************************************************************/
1651
1652 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1653                                        struct libnet_JoinCtx *r)
1654 {
1655         bool valid_security = false;
1656         bool valid_workgroup = false;
1657         bool valid_realm = false;
1658
1659         /* check if configuration is already set correctly */
1660
1661         valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1662
1663         switch (r->out.domain_is_ad) {
1664                 case false:
1665                         valid_security = (lp_security() == SEC_DOMAIN);
1666                         if (valid_workgroup && valid_security) {
1667                                 /* nothing to be done */
1668                                 return WERR_OK;
1669                         }
1670                         break;
1671                 case true:
1672                         valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1673                         switch (lp_security()) {
1674                         case SEC_DOMAIN:
1675                         case SEC_ADS:
1676                                 valid_security = true;
1677                         }
1678
1679                         if (valid_workgroup && valid_realm && valid_security) {
1680                                 /* nothing to be done */
1681                                 return WERR_OK;
1682                         }
1683                         break;
1684         }
1685
1686         /* check if we are supposed to manipulate configuration */
1687
1688         if (!r->in.modify_config) {
1689
1690                 char *wrong_conf = talloc_strdup(mem_ctx, "");
1691
1692                 if (!valid_workgroup) {
1693                         wrong_conf = talloc_asprintf_append(wrong_conf,
1694                                 "\"workgroup\" set to '%s', should be '%s'",
1695                                 lp_workgroup(), r->out.netbios_domain_name);
1696                         W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1697                 }
1698
1699                 if (!valid_realm) {
1700                         wrong_conf = talloc_asprintf_append(wrong_conf,
1701                                 "\"realm\" set to '%s', should be '%s'",
1702                                 lp_realm(), r->out.dns_domain_name);
1703                         W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1704                 }
1705
1706                 if (!valid_security) {
1707                         const char *sec = NULL;
1708                         switch (lp_security()) {
1709                         case SEC_SHARE: sec = "share"; break;
1710                         case SEC_USER:  sec = "user"; break;
1711                         case SEC_DOMAIN: sec = "domain"; break;
1712                         case SEC_ADS: sec = "ads"; break;
1713                         }
1714                         wrong_conf = talloc_asprintf_append(wrong_conf,
1715                                 "\"security\" set to '%s', should be %s",
1716                                 sec, r->out.domain_is_ad ?
1717                                 "either 'domain' or 'ads'" : "'domain'");
1718                         W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1719                 }
1720
1721                 libnet_join_set_error_string(mem_ctx, r,
1722                         "Invalid configuration (%s) and configuration modification "
1723                         "was not requested", wrong_conf);
1724                 return WERR_CAN_NOT_COMPLETE;
1725         }
1726
1727         /* check if we are able to manipulate configuration */
1728
1729         if (!lp_config_backend_is_registry()) {
1730                 libnet_join_set_error_string(mem_ctx, r,
1731                         "Configuration manipulation requested but not "
1732                         "supported by backend");
1733                 return WERR_NOT_SUPPORTED;
1734         }
1735
1736         return WERR_OK;
1737 }
1738
1739 /****************************************************************
1740 ****************************************************************/
1741
1742 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1743                                 struct libnet_JoinCtx *r)
1744 {
1745         NTSTATUS status;
1746         WERROR werr;
1747         struct cli_state *cli = NULL;
1748 #ifdef WITH_ADS
1749         ADS_STATUS ads_status;
1750 #endif /* WITH_ADS */
1751
1752         if (!r->in.dc_name) {
1753                 struct netr_DsRGetDCNameInfo *info;
1754                 const char *dc;
1755                 status = dsgetdcname(mem_ctx,
1756                                      r->in.msg_ctx,
1757                                      r->in.domain_name,
1758                                      NULL,
1759                                      NULL,
1760                                      DS_FORCE_REDISCOVERY |
1761                                      DS_DIRECTORY_SERVICE_REQUIRED |
1762                                      DS_WRITABLE_REQUIRED |
1763                                      DS_RETURN_DNS_NAME,
1764                                      &info);
1765                 if (!NT_STATUS_IS_OK(status)) {
1766                         libnet_join_set_error_string(mem_ctx, r,
1767                                 "failed to find DC for domain %s",
1768                                 r->in.domain_name,
1769                                 get_friendly_nt_error_msg(status));
1770                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1771                 }
1772
1773                 dc = strip_hostname(info->dc_unc);
1774                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1775                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1776         }
1777
1778         status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1779         if (!NT_STATUS_IS_OK(status)) {
1780                 libnet_join_set_error_string(mem_ctx, r,
1781                         "failed to lookup DC info for domain '%s' over rpc: %s",
1782                         r->in.domain_name, get_friendly_nt_error_msg(status));
1783                 return ntstatus_to_werror(status);
1784         }
1785
1786         werr = libnet_join_check_config(mem_ctx, r);
1787         if (!W_ERROR_IS_OK(werr)) {
1788                 goto done;
1789         }
1790
1791 #ifdef WITH_ADS
1792         if (r->out.domain_is_ad && r->in.account_ou) {
1793
1794                 ads_status = libnet_join_connect_ads(mem_ctx, r);
1795                 if (!ADS_ERR_OK(ads_status)) {
1796                         return WERR_DEFAULT_JOIN_REQUIRED;
1797                 }
1798
1799                 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1800                 if (!ADS_ERR_OK(ads_status)) {
1801                         libnet_join_set_error_string(mem_ctx, r,
1802                                 "failed to precreate account in ou %s: %s",
1803                                 r->in.account_ou,
1804                                 ads_errstr(ads_status));
1805                         return WERR_DEFAULT_JOIN_REQUIRED;
1806                 }
1807
1808                 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1809         }
1810 #endif /* WITH_ADS */
1811
1812         status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1813         if (!NT_STATUS_IS_OK(status)) {
1814                 libnet_join_set_error_string(mem_ctx, r,
1815                         "failed to join domain '%s' over rpc: %s",
1816                         r->in.domain_name, get_friendly_nt_error_msg(status));
1817                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1818                         return WERR_SETUP_ALREADY_JOINED;
1819                 }
1820                 werr = ntstatus_to_werror(status);
1821                 goto done;
1822         }
1823
1824         if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1825                 werr = WERR_SETUP_NOT_JOINED;
1826                 goto done;
1827         }
1828
1829         werr = WERR_OK;
1830
1831  done:
1832         if (cli) {
1833                 cli_shutdown(cli);
1834         }
1835
1836         return werr;
1837 }
1838
1839 /****************************************************************
1840 ****************************************************************/
1841
1842 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1843                                    struct libnet_JoinCtx *r)
1844 {
1845         WERROR werr;
1846         struct libnet_UnjoinCtx *u = NULL;
1847
1848         werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1849         if (!W_ERROR_IS_OK(werr)) {
1850                 return werr;
1851         }
1852
1853         u->in.debug             = r->in.debug;
1854         u->in.dc_name           = r->in.dc_name;
1855         u->in.domain_name       = r->in.domain_name;
1856         u->in.admin_account     = r->in.admin_account;
1857         u->in.admin_password    = r->in.admin_password;
1858         u->in.modify_config     = r->in.modify_config;
1859         u->in.unjoin_flags      = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1860                                   WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1861
1862         werr = libnet_Unjoin(mem_ctx, u);
1863         TALLOC_FREE(u);
1864
1865         return werr;
1866 }
1867
1868 /****************************************************************
1869 ****************************************************************/
1870
1871 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1872                    struct libnet_JoinCtx *r)
1873 {
1874         WERROR werr;
1875
1876         if (r->in.debug) {
1877                 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1878         }
1879
1880         werr = libnet_join_pre_processing(mem_ctx, r);
1881         if (!W_ERROR_IS_OK(werr)) {
1882                 goto done;
1883         }
1884
1885         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1886                 werr = libnet_DomainJoin(mem_ctx, r);
1887                 if (!W_ERROR_IS_OK(werr)) {
1888                         goto done;
1889                 }
1890         }
1891
1892         werr = libnet_join_post_processing(mem_ctx, r);
1893         if (!W_ERROR_IS_OK(werr)) {
1894                 goto done;
1895         }
1896
1897         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1898                 werr = libnet_join_post_verify(mem_ctx, r);
1899                 if (!W_ERROR_IS_OK(werr)) {
1900                         libnet_join_rollback(mem_ctx, r);
1901                 }
1902         }
1903
1904  done:
1905         r->out.result = werr;
1906
1907         if (r->in.debug) {
1908                 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1909         }
1910         return werr;
1911 }
1912
1913 /****************************************************************
1914 ****************************************************************/
1915
1916 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1917                                   struct libnet_UnjoinCtx *r)
1918 {
1919         NTSTATUS status;
1920
1921         if (!r->in.domain_sid) {
1922                 struct dom_sid sid;
1923                 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1924                         libnet_unjoin_set_error_string(mem_ctx, r,
1925                                 "Unable to fetch domain sid: are we joined?");
1926                         return WERR_SETUP_NOT_JOINED;
1927                 }
1928                 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1929                 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1930         }
1931
1932         if (!r->in.dc_name) {
1933                 struct netr_DsRGetDCNameInfo *info;
1934                 const char *dc;
1935                 status = dsgetdcname(mem_ctx,
1936                                      r->in.msg_ctx,
1937                                      r->in.domain_name,
1938                                      NULL,
1939                                      NULL,
1940                                      DS_DIRECTORY_SERVICE_REQUIRED |
1941                                      DS_WRITABLE_REQUIRED |
1942                                      DS_RETURN_DNS_NAME,
1943                                      &info);
1944                 if (!NT_STATUS_IS_OK(status)) {
1945                         libnet_unjoin_set_error_string(mem_ctx, r,
1946                                 "failed to find DC for domain %s",
1947                                 r->in.domain_name,
1948                                 get_friendly_nt_error_msg(status));
1949                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1950                 }
1951
1952                 dc = strip_hostname(info->dc_unc);
1953                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1954                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1955         }
1956
1957         status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1958         if (!NT_STATUS_IS_OK(status)) {
1959                 libnet_unjoin_set_error_string(mem_ctx, r,
1960                         "failed to disable machine account via rpc: %s",
1961                         get_friendly_nt_error_msg(status));
1962                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1963                         return WERR_SETUP_NOT_JOINED;
1964                 }
1965                 return ntstatus_to_werror(status);
1966         }
1967
1968         r->out.disabled_machine_account = true;
1969
1970 #ifdef WITH_ADS
1971         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1972                 ADS_STATUS ads_status;
1973                 libnet_unjoin_connect_ads(mem_ctx, r);
1974                 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1975                 if (!ADS_ERR_OK(ads_status)) {
1976                         libnet_unjoin_set_error_string(mem_ctx, r,
1977                                 "failed to remove machine account from AD: %s",
1978                                 ads_errstr(ads_status));
1979                 } else {
1980                         r->out.deleted_machine_account = true;
1981                         /* dirty hack */
1982                         r->out.dns_domain_name = talloc_strdup(mem_ctx,
1983                                                                r->in.ads->server.realm);
1984                         W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
1985                 }
1986         }
1987 #endif /* WITH_ADS */
1988
1989         libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1990
1991         return WERR_OK;
1992 }
1993
1994 /****************************************************************
1995 ****************************************************************/
1996
1997 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1998                                            struct libnet_UnjoinCtx *r)
1999 {
2000         if (!r->in.domain_name) {
2001                 libnet_unjoin_set_error_string(mem_ctx, r,
2002                         "No domain name defined");
2003                 return WERR_INVALID_PARAM;
2004         }
2005
2006         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2007                                     &r->in.domain_name,
2008                                     &r->in.dc_name)) {
2009                 libnet_unjoin_set_error_string(mem_ctx, r,
2010                         "Failed to parse domain name");
2011                 return WERR_INVALID_PARAM;
2012         }
2013
2014         if (IS_DC) {
2015                 return WERR_SETUP_DOMAIN_CONTROLLER;
2016         }
2017
2018         if (!secrets_init()) {
2019                 libnet_unjoin_set_error_string(mem_ctx, r,
2020                         "Unable to open secrets database");
2021                 return WERR_CAN_NOT_COMPLETE;
2022         }
2023
2024         return WERR_OK;
2025 }
2026
2027 /****************************************************************
2028 ****************************************************************/
2029
2030 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2031                                             struct libnet_UnjoinCtx *r)
2032 {
2033         saf_delete(r->out.netbios_domain_name);
2034         saf_delete(r->out.dns_domain_name);
2035
2036         return libnet_unjoin_config(r);
2037 }
2038
2039 /****************************************************************
2040 ****************************************************************/
2041
2042 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2043                      struct libnet_UnjoinCtx *r)
2044 {
2045         WERROR werr;
2046
2047         if (r->in.debug) {
2048                 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2049         }
2050
2051         werr = libnet_unjoin_pre_processing(mem_ctx, r);
2052         if (!W_ERROR_IS_OK(werr)) {
2053                 goto done;
2054         }
2055
2056         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2057                 werr = libnet_DomainUnjoin(mem_ctx, r);
2058                 if (!W_ERROR_IS_OK(werr)) {
2059                         libnet_unjoin_config(r);
2060                         goto done;
2061                 }
2062         }
2063
2064         werr = libnet_unjoin_post_processing(mem_ctx, r);
2065         if (!W_ERROR_IS_OK(werr)) {
2066                 goto done;
2067         }
2068
2069  done:
2070         r->out.result = werr;
2071
2072         if (r->in.debug) {
2073                 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2074         }
2075
2076         return werr;
2077 }