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             !strequal(my_fqdn, r->in.machine_name)) {
 362
 363                 strlower_m(my_fqdn);
 364                 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
 365                 if (!spn) {
 366                         return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 367                 }
 368                 spn_array[1] = spn;
 369         }
 370
 371         mods = ads_init_mods(mem_ctx);
 372         if (!mods) {
 373                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 374         }
 375
 376         /* fields of primary importance */
 377
 378         status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
 379         if (!ADS_ERR_OK(status)) {
 380                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 381         }
 382
 383         status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
 384                                  spn_array);
 385         if (!ADS_ERR_OK(status)) {
 386                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 387         }
 388
 389         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 390 }
 391
 392 /****************************************************************
 393 ****************************************************************/
 394
 395 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
 396                                               struct libnet_JoinCtx *r)
 397 {
 398         ADS_STATUS status;
 399         ADS_MODLIST mods;
 400
 401         if (!r->in.create_upn) {
 402                 return ADS_SUCCESS;
 403         }
 404
 405         /* Find our DN */
 406
 407         status = libnet_join_find_machine_acct(mem_ctx, r);
 408         if (!ADS_ERR_OK(status)) {
 409                 return status;
 410         }
 411
 412         if (!r->in.upn) {
 413                 r->in.upn = talloc_asprintf(mem_ctx,
 414                                             "host/%s@%s",
 415                                             r->in.machine_name,
 416                                             r->out.dns_domain_name);
 417                 if (!r->in.upn) {
 418                         return ADS_ERROR(LDAP_NO_MEMORY);
 419                 }
 420         }
 421
 422         /* now do the mods */
 423
 424         mods = ads_init_mods(mem_ctx);
 425         if (!mods) {
 426                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 427         }
 428
 429         /* fields of primary importance */
 430
 431         status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
 432         if (!ADS_ERR_OK(status)) {
 433                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 434         }
 435
 436         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 437 }
 438
 439
 440 /****************************************************************
 441 ****************************************************************/
 442
 443 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
 444                                                 struct libnet_JoinCtx *r)
 445 {
 446         ADS_STATUS status;
 447         ADS_MODLIST mods;
 448         char *os_sp = NULL;
 449
 450         if (!r->in.os_name || !r->in.os_version ) {
 451                 return ADS_SUCCESS;
 452         }
 453
 454         /* Find our DN */
 455
 456         status = libnet_join_find_machine_acct(mem_ctx, r);
 457         if (!ADS_ERR_OK(status)) {
 458                 return status;
 459         }
 460
 461         /* now do the mods */
 462
 463         mods = ads_init_mods(mem_ctx);
 464         if (!mods) {
 465                 return ADS_ERROR(LDAP_NO_MEMORY);
 466         }
 467
 468         os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
 469         if (!os_sp) {
 470                 return ADS_ERROR(LDAP_NO_MEMORY);
 471         }
 472
 473         /* fields of primary importance */
 474
 475         status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
 476                              r->in.os_name);
 477         if (!ADS_ERR_OK(status)) {
 478                 return status;
 479         }
 480
 481         status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
 482                              r->in.os_version);
 483         if (!ADS_ERR_OK(status)) {
 484                 return status;
 485         }
 486
 487         status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
 488                              os_sp);
 489         if (!ADS_ERR_OK(status)) {
 490                 return status;
 491         }
 492
 493         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 494 }
 495
 496 /****************************************************************
 497 ****************************************************************/
 498
 499 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
 500                                       struct libnet_JoinCtx *r)
 501 {
 502         if (!lp_use_kerberos_keytab()) {
 503                 return true;
 504         }
 505
 506         if (ads_keytab_create_default(r->in.ads) != 0) {
 507                 return false;
 508         }
 509
 510         return true;
 511 }
 512
 513 /****************************************************************
 514 ****************************************************************/
 515
 516 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
 517                                                  struct libnet_JoinCtx *r)
 518 {
 519         uint32_t domain_func;
 520         ADS_STATUS status;
 521         const char *salt = NULL;
 522         char *std_salt = NULL;
 523
 524         status = ads_domain_func_level(r->in.ads, &domain_func);
 525         if (!ADS_ERR_OK(status)) {
 526                 libnet_join_set_error_string(mem_ctx, r,
 527                         "failed to determine domain functional level: %s",
 528                         ads_errstr(status));
 529                 return false;
 530         }
 531
 532         /* go ahead and setup the default salt */
 533
 534         std_salt = kerberos_standard_des_salt();
 535         if (!std_salt) {
 536                 libnet_join_set_error_string(mem_ctx, r,
 537                         "failed to obtain standard DES salt");
 538                 return false;
 539         }
 540
 541         salt = talloc_strdup(mem_ctx, std_salt);
 542         if (!salt) {
 543                 return false;
 544         }
 545
 546         SAFE_FREE(std_salt);
 547
 548         /* if it's a Windows functional domain, we have to look for the UPN */
 549
 550         if (domain_func == DS_DOMAIN_FUNCTION_2000) {
 551                 char *upn;
 552
 553                 upn = ads_get_upn(r->in.ads, mem_ctx,
 554                                   r->in.machine_name);
 555                 if (upn) {
 556                         salt = talloc_strdup(mem_ctx, upn);
 557                         if (!salt) {
 558                                 return false;
 559                         }
 560                 }
 561         }
 562
 563         return kerberos_secrets_store_des_salt(salt);
 564 }
 565
 566 /****************************************************************
 567 ****************************************************************/
 568
 569 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
 570                                                   struct libnet_JoinCtx *r)
 571 {
 572         ADS_STATUS status;
 573
 574         if (!r->in.ads) {
 575                 status = libnet_join_connect_ads(mem_ctx, r);
 576                 if (!ADS_ERR_OK(status)) {
 577                         return status;
 578                 }
 579         }
 580
 581         status = libnet_join_set_machine_spn(mem_ctx, r);
 582         if (!ADS_ERR_OK(status)) {
 583                 libnet_join_set_error_string(mem_ctx, r,
 584                         "failed to set machine spn: %s",
 585                         ads_errstr(status));
 586                 return status;
 587         }
 588
 589         status = libnet_join_set_os_attributes(mem_ctx, r);
 590         if (!ADS_ERR_OK(status)) {
 591                 libnet_join_set_error_string(mem_ctx, r,
 592                         "failed to set machine os attributes: %s",
 593                         ads_errstr(status));
 594                 return status;
 595         }
 596
 597         status = libnet_join_set_machine_upn(mem_ctx, r);
 598         if (!ADS_ERR_OK(status)) {
 599                 libnet_join_set_error_string(mem_ctx, r,
 600                         "failed to set machine upn: %s",
 601                         ads_errstr(status));
 602                 return status;
 603         }
 604
 605         if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
 606                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 607         }
 608
 609         if (!libnet_join_create_keytab(mem_ctx, r)) {
 610                 libnet_join_set_error_string(mem_ctx, r,
 611                         "failed to create kerberos keytab");
 612                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 613         }
 614
 615         return ADS_SUCCESS;
 616 }
 617 #endif /* WITH_ADS */
 618
 619 /****************************************************************
 620  Store the machine password and domain SID
 621 ****************************************************************/
 622
 623 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
 624                                                  struct libnet_JoinCtx *r)
 625 {
 626         if (!secrets_store_domain_sid(r->out.netbios_domain_name,
 627                                       r->out.domain_sid))
 628         {
 629                 DEBUG(1,("Failed to save domain sid\n"));
 630                 return false;
 631         }
 632
 633         if (!secrets_store_machine_password(r->in.machine_password,
 634                                             r->out.netbios_domain_name,
 635                                             r->in.secure_channel_type))
 636         {
 637                 DEBUG(1,("Failed to save machine password\n"));
 638                 return false;
 639         }
 640
 641         return true;
 642 }
 643
 644 /****************************************************************
 645  Connect dc's IPC$ share
 646 ****************************************************************/
 647
 648 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
 649                                            const char *user,
 650                                            const char *pass,
 651                                            bool use_kerberos,
 652                                            struct cli_state **cli)
 653 {
 654         int flags = 0;
 655
 656         if (use_kerberos) {
 657                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
 658         }
 659
 660         if (use_kerberos && pass) {
 661                 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 662         }
 663
 664         return cli_full_connection(cli, NULL,
 665                                    dc,
 666                                    NULL, 0,
 667                                    "IPC$", "IPC",
 668                                    user,
 669                                    NULL,
 670                                    pass,
 671                                    flags,
 672                                    Undefined, NULL);
 673 }
 674
 675 /****************************************************************
 676  Lookup domain dc's info
 677 ****************************************************************/
 678
 679 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
 680                                           struct libnet_JoinCtx *r,
 681                                           struct cli_state **cli)
 682 {
 683         struct rpc_pipe_client *pipe_hnd = NULL;
 684         POLICY_HND lsa_pol;
 685         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 686         union lsa_PolicyInformation *info = NULL;
 687
 688         status = libnet_join_connect_dc_ipc(r->in.dc_name,
 689                                             r->in.admin_account,
 690                                             r->in.admin_password,
 691                                             r->in.use_kerberos,
 692                                             cli);
 693         if (!NT_STATUS_IS_OK(status)) {
 694                 goto done;
 695         }
 696
 697         status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
 698                                           &pipe_hnd);
 699         if (!NT_STATUS_IS_OK(status)) {
 700                 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
 701                         nt_errstr(status)));
 702                 goto done;
 703         }
 704
 705         status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
 706                                         SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
 707         if (!NT_STATUS_IS_OK(status)) {
 708                 goto done;
 709         }
 710
 711         status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
 712                                              &lsa_pol,
 713                                              LSA_POLICY_INFO_DNS,
 714                                              &info);
 715         if (NT_STATUS_IS_OK(status)) {
 716                 r->out.domain_is_ad = true;
 717                 r->out.netbios_domain_name = info->dns.name.string;
 718                 r->out.dns_domain_name = info->dns.dns_domain.string;
 719                 r->out.forest_name = info->dns.dns_forest.string;
 720                 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
 721                 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
 722         }
 723
 724         if (!NT_STATUS_IS_OK(status)) {
 725                 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
 726                                                     &lsa_pol,
 727                                                     LSA_POLICY_INFO_ACCOUNT_DOMAIN,
 728                                                     &info);
 729                 if (!NT_STATUS_IS_OK(status)) {
 730                         goto done;
 731                 }
 732
 733                 r->out.netbios_domain_name = info->account_domain.name.string;
 734                 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
 735                 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
 736         }
 737
 738         rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
 739         TALLOC_FREE(pipe_hnd);
 740
 741  done:
 742         return status;
 743 }
 744
 745 /****************************************************************
 746  Do the domain join
 747 ****************************************************************/
 748
 749 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 750                                            struct libnet_JoinCtx *r,
 751                                            struct cli_state *cli)
 752 {
 753         struct rpc_pipe_client *pipe_hnd = NULL;
 754         POLICY_HND sam_pol, domain_pol, user_pol;
 755         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 756         char *acct_name;
 757         struct lsa_String lsa_acct_name;
 758         uint32_t user_rid;
 759         uint32_t acct_flags = ACB_WSTRUST;
 760         uchar md4_trust_password[16];
 761         struct samr_Ids user_rids;
 762         struct samr_Ids name_types;
 763         union samr_UserInfo user_info;
 764
 765         struct samr_CryptPassword crypt_pwd;
 766         struct samr_CryptPasswordEx crypt_pwd_ex;
 767
 768         ZERO_STRUCT(sam_pol);
 769         ZERO_STRUCT(domain_pol);
 770         ZERO_STRUCT(user_pol);
 771
 772         if (!r->in.machine_password) {
 773                 r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
 774                 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
 775         }
 776
 777         /* Open the domain */
 778
 779         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
 780                                           &pipe_hnd);
 781         if (!NT_STATUS_IS_OK(status)) {
 782                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
 783                         nt_errstr(status)));
 784                 goto done;
 785         }
 786
 787         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 788                                       pipe_hnd->desthost,
 789                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 790                                       &sam_pol);
 791         if (!NT_STATUS_IS_OK(status)) {
 792                 goto done;
 793         }
 794
 795         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
 796                                         &sam_pol,
 797                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
 798                                         r->out.domain_sid,
 799                                         &domain_pol);
 800         if (!NT_STATUS_IS_OK(status)) {
 801                 goto done;
 802         }
 803
 804         /* Create domain user */
 805
 806         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 807         strlower_m(acct_name);
 808
 809         init_lsa_String(&lsa_acct_name, acct_name);
 810
 811         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
 812                 uint32_t access_desired =
 813                         SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
 814                         SEC_STD_WRITE_DAC | SEC_STD_DELETE |
 815                         SAMR_USER_ACCESS_SET_PASSWORD |
 816                         SAMR_USER_ACCESS_GET_ATTRIBUTES |
 817                         SAMR_USER_ACCESS_SET_ATTRIBUTES;
 818                 uint32_t access_granted = 0;
 819
 820                 /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
 821
 822                 DEBUG(10,("Creating account with desired access mask: %d\n",
 823                         access_desired));
 824
 825                 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
 826                                                  &domain_pol,
 827                                                  &lsa_acct_name,
 828                                                  ACB_WSTRUST,
 829                                                  access_desired,
 830                                                  &user_pol,
 831                                                  &access_granted,
 832                                                  &user_rid);
 833                 if (!NT_STATUS_IS_OK(status) &&
 834                     !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 835
 836                         DEBUG(10,("Creation of workstation account failed: %s\n",
 837                                 nt_errstr(status)));
 838
 839                         /* If NT_STATUS_ACCESS_DENIED then we have a valid
 840                            username/password combo but the user does not have
 841                            administrator access. */
 842
 843                         if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
 844                                 libnet_join_set_error_string(mem_ctx, r,
 845                                         "User specified does not have "
 846                                         "administrator privileges");
 847                         }
 848
 849                         goto done;
 850                 }
 851
 852                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 853                         if (!(r->in.join_flags &
 854                               WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
 855                                 goto done;
 856                         }
 857                 }
 858
 859                 /* We *must* do this.... don't ask... */
 860
 861                 if (NT_STATUS_IS_OK(status)) {
 862                         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 863                 }
 864         }
 865
 866         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
 867                                          &domain_pol,
 868                                          1,
 869                                          &lsa_acct_name,
 870                                          &user_rids,
 871                                          &name_types);
 872         if (!NT_STATUS_IS_OK(status)) {
 873                 goto done;
 874         }
 875
 876         if (name_types.ids[0] != SID_NAME_USER) {
 877                 DEBUG(0,("%s is not a user account (type=%d)\n",
 878                         acct_name, name_types.ids[0]));
 879                 status = NT_STATUS_INVALID_WORKSTATION;
 880                 goto done;
 881         }
 882
 883         user_rid = user_rids.ids[0];
 884
 885         /* Open handle on user */
 886
 887         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 888                                       &domain_pol,
 889                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 890                                       user_rid,
 891                                       &user_pol);
 892         if (!NT_STATUS_IS_OK(status)) {
 893                 goto done;
 894         }
 895
 896         /* Create a random machine account password and generate the hash */
 897
 898         E_md4hash(r->in.machine_password, md4_trust_password);
 899
 900         init_samr_CryptPasswordEx(r->in.machine_password,
 901                                   &cli->user_session_key,
 902                                   &crypt_pwd_ex);
 903
 904         /* Fill in the additional account flags now */
 905
 906         acct_flags |= ACB_PWNOEXP;
 907         if (r->out.domain_is_ad) {
 908 #if !defined(ENCTYPE_ARCFOUR_HMAC)
 909                 acct_flags |= ACB_USE_DES_KEY_ONLY;
 910 #endif
 911                 ;;
 912         }
 913
 914         /* Set password and account flags on machine account */
 915
 916         ZERO_STRUCT(user_info.info25);
 917
 918         user_info.info25.info.fields_present = ACCT_NT_PWD_SET |
 919                                                ACCT_LM_PWD_SET |
 920                                                SAMR_FIELD_ACCT_FLAGS;
 921
 922         user_info.info25.info.acct_flags = acct_flags;
 923         memcpy(&user_info.info25.password.data, crypt_pwd_ex.data,
 924                sizeof(crypt_pwd_ex.data));
 925
 926         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
 927                                          &user_pol,
 928                                          25,
 929                                          &user_info);
 930
 931         if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
 932
 933                 /* retry with level 24 */
 934
 935                 init_samr_CryptPassword(r->in.machine_password,
 936                                         &cli->user_session_key,
 937                                         &crypt_pwd);
 938
 939                 init_samr_user_info24(&user_info.info24, crypt_pwd.data, 24);
 940
 941                 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
 942                                                   &user_pol,
 943                                                   24,
 944                                                   &user_info);
 945         }
 946
 947         if (!NT_STATUS_IS_OK(status)) {
 948
 949                 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
 950                                        &user_pol);
 951
 952                 libnet_join_set_error_string(mem_ctx, r,
 953                         "Failed to set password for machine account (%s)\n",
 954                         nt_errstr(status));
 955                 goto done;
 956         }
 957
 958         status = NT_STATUS_OK;
 959
 960  done:
 961         if (!pipe_hnd) {
 962                 return status;
 963         }
 964
 965         if (is_valid_policy_hnd(&sam_pol)) {
 966                 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
 967         }
 968         if (is_valid_policy_hnd(&domain_pol)) {
 969                 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
 970         }
 971         if (is_valid_policy_hnd(&user_pol)) {
 972                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 973         }
 974         TALLOC_FREE(pipe_hnd);
 975
 976         return status;
 977 }
 978
 979 /****************************************************************
 980 ****************************************************************/
 981
 982 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
 983                         const char *machine_name,
 984                         const char *dc_name)
 985 {
 986         uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
 987         struct cli_state *cli = NULL;
 988         struct rpc_pipe_client *pipe_hnd = NULL;
 989         struct rpc_pipe_client *netlogon_pipe = NULL;
 990         NTSTATUS status;
 991         char *machine_password = NULL;
 992         char *machine_account = NULL;
 993
 994         if (!dc_name) {
 995                 return NT_STATUS_INVALID_PARAMETER;
 996         }
 997
 998         if (!secrets_init()) {
 999                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1000         }
1001
1002         machine_password = secrets_fetch_machine_password(netbios_domain_name,
1003                                                           NULL, NULL);
1004         if (!machine_password) {
1005                 return NT_STATUS_NO_TRUST_LSA_SECRET;
1006         }
1007
1008         asprintf(&machine_account, "%s$", machine_name);
1009         if (!machine_account) {
1010                 SAFE_FREE(machine_password);
1011                 return NT_STATUS_NO_MEMORY;
1012         }
1013
1014         status = cli_full_connection(&cli, NULL,
1015                                      dc_name,
1016                                      NULL, 0,
1017                                      "IPC$", "IPC",
1018                                      machine_account,
1019                                      NULL,
1020                                      machine_password,
1021                                      0,
1022                                      Undefined, NULL);
1023         free(machine_account);
1024         free(machine_password);
1025
1026         if (!NT_STATUS_IS_OK(status)) {
1027                 status = cli_full_connection(&cli, NULL,
1028                                              dc_name,
1029                                              NULL, 0,
1030                                              "IPC$", "IPC",
1031                                              "",
1032                                              NULL,
1033                                              "",
1034                                              0,
1035                                              Undefined, NULL);
1036         }
1037
1038         if (!NT_STATUS_IS_OK(status)) {
1039                 return status;
1040         }
1041
1042         status = get_schannel_session_key(cli, netbios_domain_name,
1043                                           &neg_flags, &netlogon_pipe);
1044         if (!NT_STATUS_IS_OK(status)) {
1045                 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1046                         cli_shutdown(cli);
1047                         return NT_STATUS_OK;
1048                 }
1049
1050                 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1051                         "key from server %s for domain %s. Error was %s\n",
1052                 cli->desthost, netbios_domain_name, nt_errstr(status)));
1053                 cli_shutdown(cli);
1054                 return status;
1055         }
1056
1057         if (!lp_client_schannel()) {
1058                 cli_shutdown(cli);
1059                 return NT_STATUS_OK;
1060         }
1061
1062         status = cli_rpc_pipe_open_schannel_with_key(
1063                 cli, &ndr_table_netlogon.syntax_id, PIPE_AUTH_LEVEL_PRIVACY,
1064                 netbios_domain_name, netlogon_pipe->dc, &pipe_hnd);
1065
1066         cli_shutdown(cli);
1067
1068         if (!NT_STATUS_IS_OK(status)) {
1069                 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1070                         "on netlogon pipe to server %s for domain %s. "
1071                         "Error was %s\n",
1072                         cli->desthost, netbios_domain_name, nt_errstr(status)));
1073                 return status;
1074         }
1075
1076         return NT_STATUS_OK;
1077 }
1078
1079 /****************************************************************
1080 ****************************************************************/
1081
1082 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1083                                       struct libnet_JoinCtx *r)
1084 {
1085         NTSTATUS status;
1086
1087         status = libnet_join_ok(r->out.netbios_domain_name,
1088                                 r->in.machine_name,
1089                                 r->in.dc_name);
1090         if (!NT_STATUS_IS_OK(status)) {
1091                 libnet_join_set_error_string(mem_ctx, r,
1092                         "failed to verify domain membership after joining: %s",
1093                         get_friendly_nt_error_msg(status));
1094                 return WERR_SETUP_NOT_JOINED;
1095         }
1096
1097         return WERR_OK;
1098 }
1099
1100 /****************************************************************
1101 ****************************************************************/
1102
1103 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1104                                                     struct libnet_UnjoinCtx *r)
1105 {
1106         if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1107                 return false;
1108         }
1109
1110         if (!secrets_delete_domain_sid(lp_workgroup())) {
1111                 return false;
1112         }
1113
1114         return true;
1115 }
1116
1117 /****************************************************************
1118 ****************************************************************/
1119
1120 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1121                                              struct libnet_UnjoinCtx *r)
1122 {
1123         struct cli_state *cli = NULL;
1124         struct rpc_pipe_client *pipe_hnd = NULL;
1125         POLICY_HND sam_pol, domain_pol, user_pol;
1126         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1127         char *acct_name;
1128         uint32_t user_rid;
1129         struct lsa_String lsa_acct_name;
1130         struct samr_Ids user_rids;
1131         struct samr_Ids name_types;
1132         union samr_UserInfo *info = NULL;
1133
1134         ZERO_STRUCT(sam_pol);
1135         ZERO_STRUCT(domain_pol);
1136         ZERO_STRUCT(user_pol);
1137
1138         status = libnet_join_connect_dc_ipc(r->in.dc_name,
1139                                             r->in.admin_account,
1140                                             r->in.admin_password,
1141                                             r->in.use_kerberos,
1142                                             &cli);
1143         if (!NT_STATUS_IS_OK(status)) {
1144                 goto done;
1145         }
1146
1147         /* Open the domain */
1148
1149         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1150                                           &pipe_hnd);
1151         if (!NT_STATUS_IS_OK(status)) {
1152                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1153                         nt_errstr(status)));
1154                 goto done;
1155         }
1156
1157         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1158                                       pipe_hnd->desthost,
1159                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1160                                       &sam_pol);
1161         if (!NT_STATUS_IS_OK(status)) {
1162                 goto done;
1163         }
1164
1165         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1166                                         &sam_pol,
1167                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
1168                                         r->in.domain_sid,
1169                                         &domain_pol);
1170         if (!NT_STATUS_IS_OK(status)) {
1171                 goto done;
1172         }
1173
1174         /* Create domain user */
1175
1176         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1177         strlower_m(acct_name);
1178
1179         init_lsa_String(&lsa_acct_name, acct_name);
1180
1181         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1182                                          &domain_pol,
1183                                          1,
1184                                          &lsa_acct_name,
1185                                          &user_rids,
1186                                          &name_types);
1187
1188         if (!NT_STATUS_IS_OK(status)) {
1189                 goto done;
1190         }
1191
1192         if (name_types.ids[0] != SID_NAME_USER) {
1193                 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1194                         name_types.ids[0]));
1195                 status = NT_STATUS_INVALID_WORKSTATION;
1196                 goto done;
1197         }
1198
1199         user_rid = user_rids.ids[0];
1200
1201         /* Open handle on user */
1202
1203         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1204                                       &domain_pol,
1205                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1206                                       user_rid,
1207                                       &user_pol);
1208         if (!NT_STATUS_IS_OK(status)) {
1209                 goto done;
1210         }
1211
1212         /* Get user info */
1213
1214         status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1215                                            &user_pol,
1216                                            16,
1217                                            &info);
1218         if (!NT_STATUS_IS_OK(status)) {
1219                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1220                 goto done;
1221         }
1222
1223         /* now disable and setuser info */
1224
1225         info->info16.acct_flags |= ACB_DISABLED;
1226
1227         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1228                                          &user_pol,
1229                                          16,
1230                                          info);
1231
1232         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1233
1234 done:
1235         if (pipe_hnd) {
1236                 if (is_valid_policy_hnd(&domain_pol)) {
1237                         rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1238                 }
1239                 if (is_valid_policy_hnd(&sam_pol)) {
1240                         rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1241                 }
1242                 TALLOC_FREE(pipe_hnd);
1243         }
1244
1245         if (cli) {
1246                 cli_shutdown(cli);
1247         }
1248
1249         return status;
1250 }
1251
1252 /****************************************************************
1253 ****************************************************************/
1254
1255 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1256 {
1257         WERROR werr;
1258         struct smbconf_ctx *ctx;
1259
1260         werr = smbconf_init_reg(r, &ctx, NULL);
1261         if (!W_ERROR_IS_OK(werr)) {
1262                 goto done;
1263         }
1264
1265         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1266
1267                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1268                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1269
1270                 werr = smbconf_set_global_parameter(ctx, "workgroup",
1271                                                     r->in.domain_name);
1272
1273                 smbconf_delete_global_parameter(ctx, "realm");
1274                 goto done;
1275         }
1276
1277         werr = smbconf_set_global_parameter(ctx, "security", "domain");
1278         W_ERROR_NOT_OK_GOTO_DONE(werr);
1279
1280         werr = smbconf_set_global_parameter(ctx, "workgroup",
1281                                             r->out.netbios_domain_name);
1282         W_ERROR_NOT_OK_GOTO_DONE(werr);
1283
1284         if (r->out.domain_is_ad) {
1285                 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1286                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1287
1288                 werr = smbconf_set_global_parameter(ctx, "realm",
1289                                                     r->out.dns_domain_name);
1290                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1291         }
1292
1293  done:
1294         smbconf_shutdown(ctx);
1295         return werr;
1296 }
1297
1298 /****************************************************************
1299 ****************************************************************/
1300
1301 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1302 {
1303         WERROR werr = WERR_OK;
1304         struct smbconf_ctx *ctx;
1305
1306         werr = smbconf_init_reg(r, &ctx, NULL);
1307         if (!W_ERROR_IS_OK(werr)) {
1308                 goto done;
1309         }
1310
1311         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1312
1313                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1314                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1315
1316                 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1317                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1318
1319                 smbconf_delete_global_parameter(ctx, "realm");
1320         }
1321
1322  done:
1323         smbconf_shutdown(ctx);
1324         return werr;
1325 }
1326
1327 /****************************************************************
1328 ****************************************************************/
1329
1330 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1331 {
1332         WERROR werr;
1333
1334         if (!W_ERROR_IS_OK(r->out.result)) {
1335                 return r->out.result;
1336         }
1337
1338         if (!r->in.modify_config) {
1339                 return WERR_OK;
1340         }
1341
1342         werr = do_join_modify_vals_config(r);
1343         if (!W_ERROR_IS_OK(werr)) {
1344                 return werr;
1345         }
1346
1347         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1348
1349         r->out.modified_config = true;
1350         r->out.result = werr;
1351
1352         return werr;
1353 }
1354
1355 /****************************************************************
1356 ****************************************************************/
1357
1358 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1359 {
1360         WERROR werr;
1361
1362         if (!W_ERROR_IS_OK(r->out.result)) {
1363                 return r->out.result;
1364         }
1365
1366         if (!r->in.modify_config) {
1367                 return WERR_OK;
1368         }
1369
1370         werr = do_unjoin_modify_vals_config(r);
1371         if (!W_ERROR_IS_OK(werr)) {
1372                 return werr;
1373         }
1374
1375         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1376
1377         r->out.modified_config = true;
1378         r->out.result = werr;
1379
1380         return werr;
1381 }
1382
1383 /****************************************************************
1384 ****************************************************************/
1385
1386 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1387                                    const char *domain_str,
1388                                    const char **domain_p,
1389                                    const char **dc_p)
1390 {
1391         char *domain = NULL;
1392         char *dc = NULL;
1393         const char *p = NULL;
1394
1395         if (!domain_str || !domain_p || !dc_p) {
1396                 return false;
1397         }
1398
1399         p = strchr_m(domain_str, '\\');
1400
1401         if (p != NULL) {
1402                 domain = talloc_strndup(mem_ctx, domain_str,
1403                                          PTR_DIFF(p, domain_str));
1404                 dc = talloc_strdup(mem_ctx, p+1);
1405                 if (!dc) {
1406                         return false;
1407                 }
1408         } else {
1409                 domain = talloc_strdup(mem_ctx, domain_str);
1410                 dc = NULL;
1411         }
1412         if (!domain) {
1413                 return false;
1414         }
1415
1416         *domain_p = domain;
1417
1418         if (!*dc_p && dc) {
1419                 *dc_p = dc;
1420         }
1421
1422         return true;
1423 }
1424
1425 /****************************************************************
1426 ****************************************************************/
1427
1428 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1429                                          struct libnet_JoinCtx *r)
1430 {
1431         if (!r->in.domain_name) {
1432                 libnet_join_set_error_string(mem_ctx, r,
1433                         "No domain name defined");
1434                 return WERR_INVALID_PARAM;
1435         }
1436
1437         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1438                                     &r->in.domain_name,
1439                                     &r->in.dc_name)) {
1440                 libnet_join_set_error_string(mem_ctx, r,
1441                         "Failed to parse domain name");
1442                 return WERR_INVALID_PARAM;
1443         }
1444
1445         if (IS_DC) {
1446                 return WERR_SETUP_DOMAIN_CONTROLLER;
1447         }
1448
1449         if (!secrets_init()) {
1450                 libnet_join_set_error_string(mem_ctx, r,
1451                         "Unable to open secrets database");
1452                 return WERR_CAN_NOT_COMPLETE;
1453         }
1454
1455         return WERR_OK;
1456 }
1457
1458 /****************************************************************
1459 ****************************************************************/
1460
1461 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1462 {
1463         NTSTATUS status;
1464
1465         /* Try adding dom admins to builtin\admins. Only log failures. */
1466         status = create_builtin_administrators(domain_sid);
1467         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1468                 DEBUG(10,("Unable to auto-add domain administrators to "
1469                           "BUILTIN\\Administrators during join because "
1470                           "winbindd must be running."));
1471         } else if (!NT_STATUS_IS_OK(status)) {
1472                 DEBUG(5, ("Failed to auto-add domain administrators to "
1473                           "BUILTIN\\Administrators during join: %s\n",
1474                           nt_errstr(status)));
1475         }
1476
1477         /* Try adding dom users to builtin\users. Only log failures. */
1478         status = create_builtin_users(domain_sid);
1479         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1480                 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1481                           "during join because winbindd must be running."));
1482         } else if (!NT_STATUS_IS_OK(status)) {
1483                 DEBUG(5, ("Failed to auto-add domain administrators to "
1484                           "BUILTIN\\Administrators during join: %s\n",
1485                           nt_errstr(status)));
1486         }
1487 }
1488
1489 /****************************************************************
1490 ****************************************************************/
1491
1492 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1493                                           struct libnet_JoinCtx *r)
1494 {
1495         WERROR werr;
1496
1497         if (!W_ERROR_IS_OK(r->out.result)) {
1498                 return r->out.result;
1499         }
1500
1501         werr = do_JoinConfig(r);
1502         if (!W_ERROR_IS_OK(werr)) {
1503                 return werr;
1504         }
1505
1506         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1507                 saf_store(r->in.domain_name, r->in.dc_name);
1508
1509 #ifdef WITH_ADS
1510                 if (r->out.domain_is_ad) {
1511                         ADS_STATUS ads_status;
1512
1513                         ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
1514                         if (!ADS_ERR_OK(ads_status)) {
1515                                 return WERR_GENERAL_FAILURE;
1516                         }
1517                 }
1518 #endif /* WITH_ADS */
1519         }
1520
1521         libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1522
1523         return WERR_OK;
1524 }
1525
1526 /****************************************************************
1527 ****************************************************************/
1528
1529 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1530 {
1531         const char *krb5_cc_env = NULL;
1532
1533         if (r->in.ads) {
1534                 ads_destroy(&r->in.ads);
1535         }
1536
1537         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1538         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1539                 unsetenv(KRB5_ENV_CCNAME);
1540         }
1541
1542         return 0;
1543 }
1544
1545 /****************************************************************
1546 ****************************************************************/
1547
1548 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1549 {
1550         const char *krb5_cc_env = NULL;
1551
1552         if (r->in.ads) {
1553                 ads_destroy(&r->in.ads);
1554         }
1555
1556         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1557         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1558                 unsetenv(KRB5_ENV_CCNAME);
1559         }
1560
1561         return 0;
1562 }
1563
1564 /****************************************************************
1565 ****************************************************************/
1566
1567 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1568                            struct libnet_JoinCtx **r)
1569 {
1570         struct libnet_JoinCtx *ctx;
1571         const char *krb5_cc_env = NULL;
1572
1573         ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1574         if (!ctx) {
1575                 return WERR_NOMEM;
1576         }
1577
1578         talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1579
1580         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1581         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1582
1583         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1584         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1585                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1586                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1587                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1588         }
1589
1590         ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1591
1592         *r = ctx;
1593
1594         return WERR_OK;
1595 }
1596
1597 /****************************************************************
1598 ****************************************************************/
1599
1600 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1601                              struct libnet_UnjoinCtx **r)
1602 {
1603         struct libnet_UnjoinCtx *ctx;
1604         const char *krb5_cc_env = NULL;
1605
1606         ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1607         if (!ctx) {
1608                 return WERR_NOMEM;
1609         }
1610
1611         talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1612
1613         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1614         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1615
1616         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1617         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1618                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1619                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1620                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1621         }
1622
1623         *r = ctx;
1624
1625         return WERR_OK;
1626 }
1627
1628 /****************************************************************
1629 ****************************************************************/
1630
1631 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1632                                        struct libnet_JoinCtx *r)
1633 {
1634         /* check if configuration is already set correctly */
1635
1636         switch (r->out.domain_is_ad) {
1637                 case false:
1638                         if ((strequal(lp_workgroup(),
1639                                       r->out.netbios_domain_name)) &&
1640                             (lp_security() == SEC_DOMAIN)) {
1641                                 /* nothing to be done */
1642                                 return WERR_OK;
1643                         }
1644                         break;
1645                 case true:
1646                         if ((strequal(lp_workgroup(),
1647                                       r->out.netbios_domain_name)) &&
1648                             (strequal(lp_realm(),
1649                                       r->out.dns_domain_name)) &&
1650                             ((lp_security() == SEC_ADS) ||
1651                              (lp_security() == SEC_DOMAIN))) {
1652                                 /* nothing to be done */
1653                                 return WERR_OK;
1654                         }
1655                         break;
1656         }
1657
1658         /* check if we are supposed to manipulate configuration */
1659
1660         if (!r->in.modify_config) {
1661                 libnet_join_set_error_string(mem_ctx, r,
1662                         "Invalid configuration and configuration modification "
1663                         "was not requested");
1664                 return WERR_CAN_NOT_COMPLETE;
1665         }
1666
1667         /* check if we are able to manipulate configuration */
1668
1669         if (!lp_config_backend_is_registry()) {
1670                 libnet_join_set_error_string(mem_ctx, r,
1671                         "Configuration manipulation requested but not "
1672                         "supported by backend");
1673                 return WERR_NOT_SUPPORTED;
1674         }
1675
1676         return WERR_OK;
1677 }
1678
1679 /****************************************************************
1680 ****************************************************************/
1681
1682 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1683                                 struct libnet_JoinCtx *r)
1684 {
1685         NTSTATUS status;
1686         WERROR werr;
1687         struct cli_state *cli = NULL;
1688 #ifdef WITH_ADS
1689         ADS_STATUS ads_status;
1690 #endif /* WITH_ADS */
1691
1692         if (!r->in.dc_name) {
1693                 struct netr_DsRGetDCNameInfo *info;
1694                 const char *dc;
1695                 status = dsgetdcname(mem_ctx,
1696                                      r->in.msg_ctx,
1697                                      r->in.domain_name,
1698                                      NULL,
1699                                      NULL,
1700                                      DS_DIRECTORY_SERVICE_REQUIRED |
1701                                      DS_WRITABLE_REQUIRED |
1702                                      DS_RETURN_DNS_NAME,
1703                                      &info);
1704                 if (!NT_STATUS_IS_OK(status)) {
1705                         libnet_join_set_error_string(mem_ctx, r,
1706                                 "failed to find DC for domain %s",
1707                                 r->in.domain_name,
1708                                 get_friendly_nt_error_msg(status));
1709                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1710                 }
1711
1712                 dc = strip_hostname(info->dc_unc);
1713                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1714                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1715         }
1716
1717         status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1718         if (!NT_STATUS_IS_OK(status)) {
1719                 libnet_join_set_error_string(mem_ctx, r,
1720                         "failed to lookup DC info for domain '%s' over rpc: %s",
1721                         r->in.domain_name, get_friendly_nt_error_msg(status));
1722                 return ntstatus_to_werror(status);
1723         }
1724
1725         werr = libnet_join_check_config(mem_ctx, r);
1726         if (!W_ERROR_IS_OK(werr)) {
1727                 goto done;
1728         }
1729
1730 #ifdef WITH_ADS
1731         if (r->out.domain_is_ad && r->in.account_ou) {
1732
1733                 ads_status = libnet_join_connect_ads(mem_ctx, r);
1734                 if (!ADS_ERR_OK(ads_status)) {
1735                         return WERR_DEFAULT_JOIN_REQUIRED;
1736                 }
1737
1738                 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1739                 if (!ADS_ERR_OK(ads_status)) {
1740                         libnet_join_set_error_string(mem_ctx, r,
1741                                 "failed to precreate account in ou %s: %s",
1742                                 r->in.account_ou,
1743                                 ads_errstr(ads_status));
1744                         return WERR_DEFAULT_JOIN_REQUIRED;
1745                 }
1746
1747                 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1748         }
1749 #endif /* WITH_ADS */
1750
1751         status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1752         if (!NT_STATUS_IS_OK(status)) {
1753                 libnet_join_set_error_string(mem_ctx, r,
1754                         "failed to join domain '%s' over rpc: %s",
1755                         r->in.domain_name, get_friendly_nt_error_msg(status));
1756                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1757                         return WERR_SETUP_ALREADY_JOINED;
1758                 }
1759                 werr = ntstatus_to_werror(status);
1760                 goto done;
1761         }
1762
1763         if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1764                 werr = WERR_SETUP_NOT_JOINED;
1765                 goto done;
1766         }
1767
1768         werr = WERR_OK;
1769
1770  done:
1771         if (cli) {
1772                 cli_shutdown(cli);
1773         }
1774
1775         return werr;
1776 }
1777
1778 /****************************************************************
1779 ****************************************************************/
1780
1781 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1782                                    struct libnet_JoinCtx *r)
1783 {
1784         WERROR werr;
1785         struct libnet_UnjoinCtx *u = NULL;
1786
1787         werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1788         if (!W_ERROR_IS_OK(werr)) {
1789                 return werr;
1790         }
1791
1792         u->in.debug             = r->in.debug;
1793         u->in.dc_name           = r->in.dc_name;
1794         u->in.domain_name       = r->in.domain_name;
1795         u->in.admin_account     = r->in.admin_account;
1796         u->in.admin_password    = r->in.admin_password;
1797         u->in.modify_config     = r->in.modify_config;
1798         u->in.unjoin_flags      = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1799                                   WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1800
1801         werr = libnet_Unjoin(mem_ctx, u);
1802         TALLOC_FREE(u);
1803
1804         return werr;
1805 }
1806
1807 /****************************************************************
1808 ****************************************************************/
1809
1810 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1811                    struct libnet_JoinCtx *r)
1812 {
1813         WERROR werr;
1814
1815         if (r->in.debug) {
1816                 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1817         }
1818
1819         werr = libnet_join_pre_processing(mem_ctx, r);
1820         if (!W_ERROR_IS_OK(werr)) {
1821                 goto done;
1822         }
1823
1824         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1825                 werr = libnet_DomainJoin(mem_ctx, r);
1826                 if (!W_ERROR_IS_OK(werr)) {
1827                         goto done;
1828                 }
1829         }
1830
1831         werr = libnet_join_post_processing(mem_ctx, r);
1832         if (!W_ERROR_IS_OK(werr)) {
1833                 goto done;
1834         }
1835
1836         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1837                 werr = libnet_join_post_verify(mem_ctx, r);
1838                 if (!W_ERROR_IS_OK(werr)) {
1839                         libnet_join_rollback(mem_ctx, r);
1840                 }
1841         }
1842
1843  done:
1844         r->out.result = werr;
1845
1846         if (r->in.debug) {
1847                 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1848         }
1849         return werr;
1850 }
1851
1852 /****************************************************************
1853 ****************************************************************/
1854
1855 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1856                                   struct libnet_UnjoinCtx *r)
1857 {
1858         NTSTATUS status;
1859
1860         if (!r->in.domain_sid) {
1861                 struct dom_sid sid;
1862                 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1863                         libnet_unjoin_set_error_string(mem_ctx, r,
1864                                 "Unable to fetch domain sid: are we joined?");
1865                         return WERR_SETUP_NOT_JOINED;
1866                 }
1867                 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1868                 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1869         }
1870
1871         if (!r->in.dc_name) {
1872                 struct netr_DsRGetDCNameInfo *info;
1873                 const char *dc;
1874                 status = dsgetdcname(mem_ctx,
1875                                      r->in.msg_ctx,
1876                                      r->in.domain_name,
1877                                      NULL,
1878                                      NULL,
1879                                      DS_DIRECTORY_SERVICE_REQUIRED |
1880                                      DS_WRITABLE_REQUIRED |
1881                                      DS_RETURN_DNS_NAME,
1882                                      &info);
1883                 if (!NT_STATUS_IS_OK(status)) {
1884                         libnet_unjoin_set_error_string(mem_ctx, r,
1885                                 "failed to find DC for domain %s",
1886                                 r->in.domain_name,
1887                                 get_friendly_nt_error_msg(status));
1888                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1889                 }
1890
1891                 dc = strip_hostname(info->dc_unc);
1892                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1893                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1894         }
1895
1896         status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1897         if (!NT_STATUS_IS_OK(status)) {
1898                 libnet_unjoin_set_error_string(mem_ctx, r,
1899                         "failed to disable machine account via rpc: %s",
1900                         get_friendly_nt_error_msg(status));
1901                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1902                         return WERR_SETUP_NOT_JOINED;
1903                 }
1904                 return ntstatus_to_werror(status);
1905         }
1906
1907         r->out.disabled_machine_account = true;
1908
1909 #ifdef WITH_ADS
1910         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1911                 ADS_STATUS ads_status;
1912                 libnet_unjoin_connect_ads(mem_ctx, r);
1913                 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1914                 if (!ADS_ERR_OK(ads_status)) {
1915                         libnet_unjoin_set_error_string(mem_ctx, r,
1916                                 "failed to remove machine account from AD: %s",
1917                                 ads_errstr(ads_status));
1918                 } else {
1919                         r->out.deleted_machine_account = true;
1920                         /* dirty hack */
1921                         r->out.dns_domain_name = talloc_strdup(mem_ctx,
1922                                                                r->in.ads->server.realm);
1923                         W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
1924                 }
1925         }
1926 #endif /* WITH_ADS */
1927
1928         libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1929
1930         return WERR_OK;
1931 }
1932
1933 /****************************************************************
1934 ****************************************************************/
1935
1936 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1937                                            struct libnet_UnjoinCtx *r)
1938 {
1939         if (!r->in.domain_name) {
1940                 libnet_unjoin_set_error_string(mem_ctx, r,
1941                         "No domain name defined");
1942                 return WERR_INVALID_PARAM;
1943         }
1944
1945         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1946                                     &r->in.domain_name,
1947                                     &r->in.dc_name)) {
1948                 libnet_unjoin_set_error_string(mem_ctx, r,
1949                         "Failed to parse domain name");
1950                 return WERR_INVALID_PARAM;
1951         }
1952
1953         if (IS_DC) {
1954                 return WERR_SETUP_DOMAIN_CONTROLLER;
1955         }
1956
1957         if (!secrets_init()) {
1958                 libnet_unjoin_set_error_string(mem_ctx, r,
1959                         "Unable to open secrets database");
1960                 return WERR_CAN_NOT_COMPLETE;
1961         }
1962
1963         return WERR_OK;
1964 }
1965
1966 /****************************************************************
1967 ****************************************************************/
1968
1969 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
1970                                             struct libnet_UnjoinCtx *r)
1971 {
1972         saf_delete(r->out.netbios_domain_name);
1973         saf_delete(r->out.dns_domain_name);
1974
1975         return libnet_unjoin_config(r);
1976 }
1977
1978 /****************************************************************
1979 ****************************************************************/
1980
1981 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1982                      struct libnet_UnjoinCtx *r)
1983 {
1984         WERROR werr;
1985
1986         if (r->in.debug) {
1987                 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1988         }
1989
1990         werr = libnet_unjoin_pre_processing(mem_ctx, r);
1991         if (!W_ERROR_IS_OK(werr)) {
1992                 goto done;
1993         }
1994
1995         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1996                 werr = libnet_DomainUnjoin(mem_ctx, r);
1997                 if (!W_ERROR_IS_OK(werr)) {
1998                         libnet_unjoin_config(r);
1999                         goto done;
2000                 }
2001         }
2002
2003         werr = libnet_unjoin_post_processing(mem_ctx, r);
2004         if (!W_ERROR_IS_OK(werr)) {
2005                 goto done;
2006         }
2007
2008  done:
2009         r->out.result = werr;
2010
2011         if (r->in.debug) {
2012                 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2013         }
2014
2015         return werr;
2016 }