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 (!lp_use_kerberos_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         uchar md4_trust_password[16];
 766         struct samr_Ids user_rids;
 767         struct samr_Ids name_types;
 768         union samr_UserInfo user_info;
 769
 770         struct samr_CryptPassword crypt_pwd;
 771         struct samr_CryptPasswordEx crypt_pwd_ex;
 772
 773         ZERO_STRUCT(sam_pol);
 774         ZERO_STRUCT(domain_pol);
 775         ZERO_STRUCT(user_pol);
 776
 777         if (!r->in.machine_password) {
 778                 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
 779                 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
 780         }
 781
 782         /* Open the domain */
 783
 784         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
 785                                           &pipe_hnd);
 786         if (!NT_STATUS_IS_OK(status)) {
 787                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
 788                         nt_errstr(status)));
 789                 goto done;
 790         }
 791
 792         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 793                                       pipe_hnd->desthost,
 794                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 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                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
 803                                         r->out.domain_sid,
 804                                         &domain_pol);
 805         if (!NT_STATUS_IS_OK(status)) {
 806                 goto done;
 807         }
 808
 809         /* Create domain user */
 810
 811         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 812         strlower_m(acct_name);
 813
 814         init_lsa_String(&lsa_acct_name, acct_name);
 815
 816         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
 817                 uint32_t access_desired =
 818                         SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
 819                         SEC_STD_WRITE_DAC | SEC_STD_DELETE |
 820                         SAMR_USER_ACCESS_SET_PASSWORD |
 821                         SAMR_USER_ACCESS_GET_ATTRIBUTES |
 822                         SAMR_USER_ACCESS_SET_ATTRIBUTES;
 823                 uint32_t access_granted = 0;
 824
 825                 /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
 826
 827                 DEBUG(10,("Creating account with desired access mask: %d\n",
 828                         access_desired));
 829
 830                 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
 831                                                  &domain_pol,
 832                                                  &lsa_acct_name,
 833                                                  ACB_WSTRUST,
 834                                                  access_desired,
 835                                                  &user_pol,
 836                                                  &access_granted,
 837                                                  &user_rid);
 838                 if (!NT_STATUS_IS_OK(status) &&
 839                     !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 840
 841                         DEBUG(10,("Creation of workstation account failed: %s\n",
 842                                 nt_errstr(status)));
 843
 844                         /* If NT_STATUS_ACCESS_DENIED then we have a valid
 845                            username/password combo but the user does not have
 846                            administrator access. */
 847
 848                         if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
 849                                 libnet_join_set_error_string(mem_ctx, r,
 850                                         "User specified does not have "
 851                                         "administrator privileges");
 852                         }
 853
 854                         goto done;
 855                 }
 856
 857                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 858                         if (!(r->in.join_flags &
 859                               WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
 860                                 goto done;
 861                         }
 862                 }
 863
 864                 /* We *must* do this.... don't ask... */
 865
 866                 if (NT_STATUS_IS_OK(status)) {
 867                         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 868                 }
 869         }
 870
 871         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
 872                                          &domain_pol,
 873                                          1,
 874                                          &lsa_acct_name,
 875                                          &user_rids,
 876                                          &name_types);
 877         if (!NT_STATUS_IS_OK(status)) {
 878                 goto done;
 879         }
 880
 881         if (name_types.ids[0] != SID_NAME_USER) {
 882                 DEBUG(0,("%s is not a user account (type=%d)\n",
 883                         acct_name, name_types.ids[0]));
 884                 status = NT_STATUS_INVALID_WORKSTATION;
 885                 goto done;
 886         }
 887
 888         user_rid = user_rids.ids[0];
 889
 890         /* Open handle on user */
 891
 892         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 893                                       &domain_pol,
 894                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 895                                       user_rid,
 896                                       &user_pol);
 897         if (!NT_STATUS_IS_OK(status)) {
 898                 goto done;
 899         }
 900
 901         /* Create a random machine account password and generate the hash */
 902
 903         E_md4hash(r->in.machine_password, md4_trust_password);
 904
 905         init_samr_CryptPasswordEx(r->in.machine_password,
 906                                   &cli->user_session_key,
 907                                   &crypt_pwd_ex);
 908
 909         /* Fill in the additional account flags now */
 910
 911         acct_flags |= ACB_PWNOEXP;
 912         if (r->out.domain_is_ad) {
 913 #if !defined(ENCTYPE_ARCFOUR_HMAC)
 914                 acct_flags |= ACB_USE_DES_KEY_ONLY;
 915 #endif
 916                 ;;
 917         }
 918
 919         /* Set password and account flags on machine account */
 920
 921         ZERO_STRUCT(user_info.info25);
 922
 923         user_info.info25.info.fields_present = ACCT_NT_PWD_SET |
 924                                                ACCT_LM_PWD_SET |
 925                                                SAMR_FIELD_ACCT_FLAGS;
 926
 927         user_info.info25.info.acct_flags = acct_flags;
 928         memcpy(&user_info.info25.password.data, crypt_pwd_ex.data,
 929                sizeof(crypt_pwd_ex.data));
 930
 931         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
 932                                          &user_pol,
 933                                          25,
 934                                          &user_info);
 935
 936         if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
 937
 938                 /* retry with level 24 */
 939
 940                 init_samr_CryptPassword(r->in.machine_password,
 941                                         &cli->user_session_key,
 942                                         &crypt_pwd);
 943
 944                 init_samr_user_info24(&user_info.info24, crypt_pwd.data, 24);
 945
 946                 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
 947                                                   &user_pol,
 948                                                   24,
 949                                                   &user_info);
 950         }
 951
 952         if (!NT_STATUS_IS_OK(status)) {
 953
 954                 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
 955                                        &user_pol);
 956
 957                 libnet_join_set_error_string(mem_ctx, r,
 958                         "Failed to set password for machine account (%s)\n",
 959                         nt_errstr(status));
 960                 goto done;
 961         }
 962
 963         status = NT_STATUS_OK;
 964
 965  done:
 966         if (!pipe_hnd) {
 967                 return status;
 968         }
 969
 970         if (is_valid_policy_hnd(&sam_pol)) {
 971                 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
 972         }
 973         if (is_valid_policy_hnd(&domain_pol)) {
 974                 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
 975         }
 976         if (is_valid_policy_hnd(&user_pol)) {
 977                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 978         }
 979         TALLOC_FREE(pipe_hnd);
 980
 981         return status;
 982 }
 983
 984 /****************************************************************
 985 ****************************************************************/
 986
 987 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
 988                         const char *machine_name,
 989                         const char *dc_name)
 990 {
 991         uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
 992         struct cli_state *cli = NULL;
 993         struct rpc_pipe_client *pipe_hnd = NULL;
 994         struct rpc_pipe_client *netlogon_pipe = NULL;
 995         NTSTATUS status;
 996         char *machine_password = NULL;
 997         char *machine_account = NULL;
 998
 999         if (!dc_name) {
1000                 return NT_STATUS_INVALID_PARAMETER;
1001         }
1002
1003         if (!secrets_init()) {
1004                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1005         }
1006
1007         machine_password = secrets_fetch_machine_password(netbios_domain_name,
1008                                                           NULL, NULL);
1009         if (!machine_password) {
1010                 return NT_STATUS_NO_TRUST_LSA_SECRET;
1011         }
1012
1013         asprintf(&machine_account, "%s$", machine_name);
1014         if (!machine_account) {
1015                 SAFE_FREE(machine_password);
1016                 return NT_STATUS_NO_MEMORY;
1017         }
1018
1019         status = cli_full_connection(&cli, NULL,
1020                                      dc_name,
1021                                      NULL, 0,
1022                                      "IPC$", "IPC",
1023                                      machine_account,
1024                                      NULL,
1025                                      machine_password,
1026                                      0,
1027                                      Undefined, NULL);
1028         free(machine_account);
1029         free(machine_password);
1030
1031         if (!NT_STATUS_IS_OK(status)) {
1032                 status = cli_full_connection(&cli, NULL,
1033                                              dc_name,
1034                                              NULL, 0,
1035                                              "IPC$", "IPC",
1036                                              "",
1037                                              NULL,
1038                                              "",
1039                                              0,
1040                                              Undefined, NULL);
1041         }
1042
1043         if (!NT_STATUS_IS_OK(status)) {
1044                 return status;
1045         }
1046
1047         status = get_schannel_session_key(cli, netbios_domain_name,
1048                                           &neg_flags, &netlogon_pipe);
1049         if (!NT_STATUS_IS_OK(status)) {
1050                 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1051                         cli_shutdown(cli);
1052                         return NT_STATUS_OK;
1053                 }
1054
1055                 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1056                         "key from server %s for domain %s. Error was %s\n",
1057                 cli->desthost, netbios_domain_name, nt_errstr(status)));
1058                 cli_shutdown(cli);
1059                 return status;
1060         }
1061
1062         if (!lp_client_schannel()) {
1063                 cli_shutdown(cli);
1064                 return NT_STATUS_OK;
1065         }
1066
1067         status = cli_rpc_pipe_open_schannel_with_key(
1068                 cli, &ndr_table_netlogon.syntax_id, PIPE_AUTH_LEVEL_PRIVACY,
1069                 netbios_domain_name, netlogon_pipe->dc, &pipe_hnd);
1070
1071         cli_shutdown(cli);
1072
1073         if (!NT_STATUS_IS_OK(status)) {
1074                 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1075                         "on netlogon pipe to server %s for domain %s. "
1076                         "Error was %s\n",
1077                         cli->desthost, netbios_domain_name, nt_errstr(status)));
1078                 return status;
1079         }
1080
1081         return NT_STATUS_OK;
1082 }
1083
1084 /****************************************************************
1085 ****************************************************************/
1086
1087 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1088                                       struct libnet_JoinCtx *r)
1089 {
1090         NTSTATUS status;
1091
1092         status = libnet_join_ok(r->out.netbios_domain_name,
1093                                 r->in.machine_name,
1094                                 r->in.dc_name);
1095         if (!NT_STATUS_IS_OK(status)) {
1096                 libnet_join_set_error_string(mem_ctx, r,
1097                         "failed to verify domain membership after joining: %s",
1098                         get_friendly_nt_error_msg(status));
1099                 return WERR_SETUP_NOT_JOINED;
1100         }
1101
1102         return WERR_OK;
1103 }
1104
1105 /****************************************************************
1106 ****************************************************************/
1107
1108 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1109                                                     struct libnet_UnjoinCtx *r)
1110 {
1111         if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1112                 return false;
1113         }
1114
1115         if (!secrets_delete_domain_sid(lp_workgroup())) {
1116                 return false;
1117         }
1118
1119         return true;
1120 }
1121
1122 /****************************************************************
1123 ****************************************************************/
1124
1125 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1126                                              struct libnet_UnjoinCtx *r)
1127 {
1128         struct cli_state *cli = NULL;
1129         struct rpc_pipe_client *pipe_hnd = NULL;
1130         POLICY_HND sam_pol, domain_pol, user_pol;
1131         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1132         char *acct_name;
1133         uint32_t user_rid;
1134         struct lsa_String lsa_acct_name;
1135         struct samr_Ids user_rids;
1136         struct samr_Ids name_types;
1137         union samr_UserInfo *info = NULL;
1138
1139         ZERO_STRUCT(sam_pol);
1140         ZERO_STRUCT(domain_pol);
1141         ZERO_STRUCT(user_pol);
1142
1143         status = libnet_join_connect_dc_ipc(r->in.dc_name,
1144                                             r->in.admin_account,
1145                                             r->in.admin_password,
1146                                             r->in.use_kerberos,
1147                                             &cli);
1148         if (!NT_STATUS_IS_OK(status)) {
1149                 goto done;
1150         }
1151
1152         /* Open the domain */
1153
1154         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1155                                           &pipe_hnd);
1156         if (!NT_STATUS_IS_OK(status)) {
1157                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1158                         nt_errstr(status)));
1159                 goto done;
1160         }
1161
1162         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1163                                       pipe_hnd->desthost,
1164                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1165                                       &sam_pol);
1166         if (!NT_STATUS_IS_OK(status)) {
1167                 goto done;
1168         }
1169
1170         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1171                                         &sam_pol,
1172                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
1173                                         r->in.domain_sid,
1174                                         &domain_pol);
1175         if (!NT_STATUS_IS_OK(status)) {
1176                 goto done;
1177         }
1178
1179         /* Create domain user */
1180
1181         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1182         strlower_m(acct_name);
1183
1184         init_lsa_String(&lsa_acct_name, acct_name);
1185
1186         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1187                                          &domain_pol,
1188                                          1,
1189                                          &lsa_acct_name,
1190                                          &user_rids,
1191                                          &name_types);
1192
1193         if (!NT_STATUS_IS_OK(status)) {
1194                 goto done;
1195         }
1196
1197         if (name_types.ids[0] != SID_NAME_USER) {
1198                 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1199                         name_types.ids[0]));
1200                 status = NT_STATUS_INVALID_WORKSTATION;
1201                 goto done;
1202         }
1203
1204         user_rid = user_rids.ids[0];
1205
1206         /* Open handle on user */
1207
1208         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1209                                       &domain_pol,
1210                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1211                                       user_rid,
1212                                       &user_pol);
1213         if (!NT_STATUS_IS_OK(status)) {
1214                 goto done;
1215         }
1216
1217         /* Get user info */
1218
1219         status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1220                                            &user_pol,
1221                                            16,
1222                                            &info);
1223         if (!NT_STATUS_IS_OK(status)) {
1224                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1225                 goto done;
1226         }
1227
1228         /* now disable and setuser info */
1229
1230         info->info16.acct_flags |= ACB_DISABLED;
1231
1232         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1233                                          &user_pol,
1234                                          16,
1235                                          info);
1236
1237         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1238
1239 done:
1240         if (pipe_hnd) {
1241                 if (is_valid_policy_hnd(&domain_pol)) {
1242                         rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1243                 }
1244                 if (is_valid_policy_hnd(&sam_pol)) {
1245                         rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1246                 }
1247                 TALLOC_FREE(pipe_hnd);
1248         }
1249
1250         if (cli) {
1251                 cli_shutdown(cli);
1252         }
1253
1254         return status;
1255 }
1256
1257 /****************************************************************
1258 ****************************************************************/
1259
1260 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1261 {
1262         WERROR werr;
1263         struct smbconf_ctx *ctx;
1264
1265         werr = smbconf_init_reg(r, &ctx, NULL);
1266         if (!W_ERROR_IS_OK(werr)) {
1267                 goto done;
1268         }
1269
1270         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1271
1272                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1273                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1274
1275                 werr = smbconf_set_global_parameter(ctx, "workgroup",
1276                                                     r->in.domain_name);
1277
1278                 smbconf_delete_global_parameter(ctx, "realm");
1279                 goto done;
1280         }
1281
1282         werr = smbconf_set_global_parameter(ctx, "security", "domain");
1283         W_ERROR_NOT_OK_GOTO_DONE(werr);
1284
1285         werr = smbconf_set_global_parameter(ctx, "workgroup",
1286                                             r->out.netbios_domain_name);
1287         W_ERROR_NOT_OK_GOTO_DONE(werr);
1288
1289         if (r->out.domain_is_ad) {
1290                 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1291                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1292
1293                 werr = smbconf_set_global_parameter(ctx, "realm",
1294                                                     r->out.dns_domain_name);
1295                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1296         }
1297
1298  done:
1299         smbconf_shutdown(ctx);
1300         return werr;
1301 }
1302
1303 /****************************************************************
1304 ****************************************************************/
1305
1306 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1307 {
1308         WERROR werr = WERR_OK;
1309         struct smbconf_ctx *ctx;
1310
1311         werr = smbconf_init_reg(r, &ctx, NULL);
1312         if (!W_ERROR_IS_OK(werr)) {
1313                 goto done;
1314         }
1315
1316         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1317
1318                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1319                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1320
1321                 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1322                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1323
1324                 smbconf_delete_global_parameter(ctx, "realm");
1325         }
1326
1327  done:
1328         smbconf_shutdown(ctx);
1329         return werr;
1330 }
1331
1332 /****************************************************************
1333 ****************************************************************/
1334
1335 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1336 {
1337         WERROR werr;
1338
1339         if (!W_ERROR_IS_OK(r->out.result)) {
1340                 return r->out.result;
1341         }
1342
1343         if (!r->in.modify_config) {
1344                 return WERR_OK;
1345         }
1346
1347         werr = do_join_modify_vals_config(r);
1348         if (!W_ERROR_IS_OK(werr)) {
1349                 return werr;
1350         }
1351
1352         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1353
1354         r->out.modified_config = true;
1355         r->out.result = werr;
1356
1357         return werr;
1358 }
1359
1360 /****************************************************************
1361 ****************************************************************/
1362
1363 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1364 {
1365         WERROR werr;
1366
1367         if (!W_ERROR_IS_OK(r->out.result)) {
1368                 return r->out.result;
1369         }
1370
1371         if (!r->in.modify_config) {
1372                 return WERR_OK;
1373         }
1374
1375         werr = do_unjoin_modify_vals_config(r);
1376         if (!W_ERROR_IS_OK(werr)) {
1377                 return werr;
1378         }
1379
1380         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1381
1382         r->out.modified_config = true;
1383         r->out.result = werr;
1384
1385         return werr;
1386 }
1387
1388 /****************************************************************
1389 ****************************************************************/
1390
1391 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1392                                    const char *domain_str,
1393                                    const char **domain_p,
1394                                    const char **dc_p)
1395 {
1396         char *domain = NULL;
1397         char *dc = NULL;
1398         const char *p = NULL;
1399
1400         if (!domain_str || !domain_p || !dc_p) {
1401                 return false;
1402         }
1403
1404         p = strchr_m(domain_str, '\\');
1405
1406         if (p != NULL) {
1407                 domain = talloc_strndup(mem_ctx, domain_str,
1408                                          PTR_DIFF(p, domain_str));
1409                 dc = talloc_strdup(mem_ctx, p+1);
1410                 if (!dc) {
1411                         return false;
1412                 }
1413         } else {
1414                 domain = talloc_strdup(mem_ctx, domain_str);
1415                 dc = NULL;
1416         }
1417         if (!domain) {
1418                 return false;
1419         }
1420
1421         *domain_p = domain;
1422
1423         if (!*dc_p && dc) {
1424                 *dc_p = dc;
1425         }
1426
1427         return true;
1428 }
1429
1430 /****************************************************************
1431 ****************************************************************/
1432
1433 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1434                                          struct libnet_JoinCtx *r)
1435 {
1436         if (!r->in.domain_name) {
1437                 libnet_join_set_error_string(mem_ctx, r,
1438                         "No domain name defined");
1439                 return WERR_INVALID_PARAM;
1440         }
1441
1442         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1443                                     &r->in.domain_name,
1444                                     &r->in.dc_name)) {
1445                 libnet_join_set_error_string(mem_ctx, r,
1446                         "Failed to parse domain name");
1447                 return WERR_INVALID_PARAM;
1448         }
1449
1450         if (IS_DC) {
1451                 return WERR_SETUP_DOMAIN_CONTROLLER;
1452         }
1453
1454         if (!secrets_init()) {
1455                 libnet_join_set_error_string(mem_ctx, r,
1456                         "Unable to open secrets database");
1457                 return WERR_CAN_NOT_COMPLETE;
1458         }
1459
1460         return WERR_OK;
1461 }
1462
1463 /****************************************************************
1464 ****************************************************************/
1465
1466 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1467 {
1468         NTSTATUS status;
1469
1470         /* Try adding dom admins to builtin\admins. Only log failures. */
1471         status = create_builtin_administrators(domain_sid);
1472         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1473                 DEBUG(10,("Unable to auto-add domain administrators to "
1474                           "BUILTIN\\Administrators during join because "
1475                           "winbindd must be running."));
1476         } else if (!NT_STATUS_IS_OK(status)) {
1477                 DEBUG(5, ("Failed to auto-add domain administrators to "
1478                           "BUILTIN\\Administrators during join: %s\n",
1479                           nt_errstr(status)));
1480         }
1481
1482         /* Try adding dom users to builtin\users. Only log failures. */
1483         status = create_builtin_users(domain_sid);
1484         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1485                 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1486                           "during join because 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
1494 /****************************************************************
1495 ****************************************************************/
1496
1497 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1498                                           struct libnet_JoinCtx *r)
1499 {
1500         WERROR werr;
1501
1502         if (!W_ERROR_IS_OK(r->out.result)) {
1503                 return r->out.result;
1504         }
1505
1506         werr = do_JoinConfig(r);
1507         if (!W_ERROR_IS_OK(werr)) {
1508                 return werr;
1509         }
1510
1511         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1512                 return WERR_OK;
1513         }
1514
1515         saf_store(r->in.domain_name, r->in.dc_name);
1516
1517 #ifdef WITH_ADS
1518         if (r->out.domain_is_ad) {
1519                 ADS_STATUS ads_status;
1520
1521                 ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
1522                 if (!ADS_ERR_OK(ads_status)) {
1523                         return WERR_GENERAL_FAILURE;
1524                 }
1525         }
1526 #endif /* WITH_ADS */
1527
1528         libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1529
1530         return WERR_OK;
1531 }
1532
1533 /****************************************************************
1534 ****************************************************************/
1535
1536 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1537 {
1538         const char *krb5_cc_env = NULL;
1539
1540         if (r->in.ads) {
1541                 ads_destroy(&r->in.ads);
1542         }
1543
1544         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1545         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1546                 unsetenv(KRB5_ENV_CCNAME);
1547         }
1548
1549         return 0;
1550 }
1551
1552 /****************************************************************
1553 ****************************************************************/
1554
1555 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1556 {
1557         const char *krb5_cc_env = NULL;
1558
1559         if (r->in.ads) {
1560                 ads_destroy(&r->in.ads);
1561         }
1562
1563         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1564         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1565                 unsetenv(KRB5_ENV_CCNAME);
1566         }
1567
1568         return 0;
1569 }
1570
1571 /****************************************************************
1572 ****************************************************************/
1573
1574 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1575                            struct libnet_JoinCtx **r)
1576 {
1577         struct libnet_JoinCtx *ctx;
1578         const char *krb5_cc_env = NULL;
1579
1580         ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1581         if (!ctx) {
1582                 return WERR_NOMEM;
1583         }
1584
1585         talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1586
1587         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1588         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1589
1590         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1591         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1592                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1593                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1594                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1595         }
1596
1597         ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1598
1599         *r = ctx;
1600
1601         return WERR_OK;
1602 }
1603
1604 /****************************************************************
1605 ****************************************************************/
1606
1607 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1608                              struct libnet_UnjoinCtx **r)
1609 {
1610         struct libnet_UnjoinCtx *ctx;
1611         const char *krb5_cc_env = NULL;
1612
1613         ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1614         if (!ctx) {
1615                 return WERR_NOMEM;
1616         }
1617
1618         talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1619
1620         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1621         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1622
1623         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1624         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1625                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1626                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1627                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1628         }
1629
1630         *r = ctx;
1631
1632         return WERR_OK;
1633 }
1634
1635 /****************************************************************
1636 ****************************************************************/
1637
1638 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1639                                        struct libnet_JoinCtx *r)
1640 {
1641         /* check if configuration is already set correctly */
1642
1643         switch (r->out.domain_is_ad) {
1644                 case false:
1645                         if ((strequal(lp_workgroup(),
1646                                       r->out.netbios_domain_name)) &&
1647                             (lp_security() == SEC_DOMAIN)) {
1648                                 /* nothing to be done */
1649                                 return WERR_OK;
1650                         }
1651                         break;
1652                 case true:
1653                         if ((strequal(lp_workgroup(),
1654                                       r->out.netbios_domain_name)) &&
1655                             (strequal(lp_realm(),
1656                                       r->out.dns_domain_name)) &&
1657                             ((lp_security() == SEC_ADS) ||
1658                              (lp_security() == SEC_DOMAIN))) {
1659                                 /* nothing to be done */
1660                                 return WERR_OK;
1661                         }
1662                         break;
1663         }
1664
1665         /* check if we are supposed to manipulate configuration */
1666
1667         if (!r->in.modify_config) {
1668                 libnet_join_set_error_string(mem_ctx, r,
1669                         "Invalid configuration and configuration modification "
1670                         "was not requested");
1671                 return WERR_CAN_NOT_COMPLETE;
1672         }
1673
1674         /* check if we are able to manipulate configuration */
1675
1676         if (!lp_config_backend_is_registry()) {
1677                 libnet_join_set_error_string(mem_ctx, r,
1678                         "Configuration manipulation requested but not "
1679                         "supported by backend");
1680                 return WERR_NOT_SUPPORTED;
1681         }
1682
1683         return WERR_OK;
1684 }
1685
1686 /****************************************************************
1687 ****************************************************************/
1688
1689 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1690                                 struct libnet_JoinCtx *r)
1691 {
1692         NTSTATUS status;
1693         WERROR werr;
1694         struct cli_state *cli = NULL;
1695 #ifdef WITH_ADS
1696         ADS_STATUS ads_status;
1697 #endif /* WITH_ADS */
1698
1699         if (!r->in.dc_name) {
1700                 struct netr_DsRGetDCNameInfo *info;
1701                 const char *dc;
1702                 status = dsgetdcname(mem_ctx,
1703                                      r->in.msg_ctx,
1704                                      r->in.domain_name,
1705                                      NULL,
1706                                      NULL,
1707                                      DS_DIRECTORY_SERVICE_REQUIRED |
1708                                      DS_WRITABLE_REQUIRED |
1709                                      DS_RETURN_DNS_NAME,
1710                                      &info);
1711                 if (!NT_STATUS_IS_OK(status)) {
1712                         libnet_join_set_error_string(mem_ctx, r,
1713                                 "failed to find DC for domain %s",
1714                                 r->in.domain_name,
1715                                 get_friendly_nt_error_msg(status));
1716                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1717                 }
1718
1719                 dc = strip_hostname(info->dc_unc);
1720                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1721                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1722         }
1723
1724         status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1725         if (!NT_STATUS_IS_OK(status)) {
1726                 libnet_join_set_error_string(mem_ctx, r,
1727                         "failed to lookup DC info for domain '%s' over rpc: %s",
1728                         r->in.domain_name, get_friendly_nt_error_msg(status));
1729                 return ntstatus_to_werror(status);
1730         }
1731
1732         werr = libnet_join_check_config(mem_ctx, r);
1733         if (!W_ERROR_IS_OK(werr)) {
1734                 goto done;
1735         }
1736
1737 #ifdef WITH_ADS
1738         if (r->out.domain_is_ad && r->in.account_ou) {
1739
1740                 ads_status = libnet_join_connect_ads(mem_ctx, r);
1741                 if (!ADS_ERR_OK(ads_status)) {
1742                         return WERR_DEFAULT_JOIN_REQUIRED;
1743                 }
1744
1745                 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1746                 if (!ADS_ERR_OK(ads_status)) {
1747                         libnet_join_set_error_string(mem_ctx, r,
1748                                 "failed to precreate account in ou %s: %s",
1749                                 r->in.account_ou,
1750                                 ads_errstr(ads_status));
1751                         return WERR_DEFAULT_JOIN_REQUIRED;
1752                 }
1753
1754                 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1755         }
1756 #endif /* WITH_ADS */
1757
1758         status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1759         if (!NT_STATUS_IS_OK(status)) {
1760                 libnet_join_set_error_string(mem_ctx, r,
1761                         "failed to join domain '%s' over rpc: %s",
1762                         r->in.domain_name, get_friendly_nt_error_msg(status));
1763                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1764                         return WERR_SETUP_ALREADY_JOINED;
1765                 }
1766                 werr = ntstatus_to_werror(status);
1767                 goto done;
1768         }
1769
1770         if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1771                 werr = WERR_SETUP_NOT_JOINED;
1772                 goto done;
1773         }
1774
1775         werr = WERR_OK;
1776
1777  done:
1778         if (cli) {
1779                 cli_shutdown(cli);
1780         }
1781
1782         return werr;
1783 }
1784
1785 /****************************************************************
1786 ****************************************************************/
1787
1788 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1789                                    struct libnet_JoinCtx *r)
1790 {
1791         WERROR werr;
1792         struct libnet_UnjoinCtx *u = NULL;
1793
1794         werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1795         if (!W_ERROR_IS_OK(werr)) {
1796                 return werr;
1797         }
1798
1799         u->in.debug             = r->in.debug;
1800         u->in.dc_name           = r->in.dc_name;
1801         u->in.domain_name       = r->in.domain_name;
1802         u->in.admin_account     = r->in.admin_account;
1803         u->in.admin_password    = r->in.admin_password;
1804         u->in.modify_config     = r->in.modify_config;
1805         u->in.unjoin_flags      = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1806                                   WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1807
1808         werr = libnet_Unjoin(mem_ctx, u);
1809         TALLOC_FREE(u);
1810
1811         return werr;
1812 }
1813
1814 /****************************************************************
1815 ****************************************************************/
1816
1817 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1818                    struct libnet_JoinCtx *r)
1819 {
1820         WERROR werr;
1821
1822         if (r->in.debug) {
1823                 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1824         }
1825
1826         werr = libnet_join_pre_processing(mem_ctx, r);
1827         if (!W_ERROR_IS_OK(werr)) {
1828                 goto done;
1829         }
1830
1831         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1832                 werr = libnet_DomainJoin(mem_ctx, r);
1833                 if (!W_ERROR_IS_OK(werr)) {
1834                         goto done;
1835                 }
1836         }
1837
1838         werr = libnet_join_post_processing(mem_ctx, r);
1839         if (!W_ERROR_IS_OK(werr)) {
1840                 goto done;
1841         }
1842
1843         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1844                 werr = libnet_join_post_verify(mem_ctx, r);
1845                 if (!W_ERROR_IS_OK(werr)) {
1846                         libnet_join_rollback(mem_ctx, r);
1847                 }
1848         }
1849
1850  done:
1851         r->out.result = werr;
1852
1853         if (r->in.debug) {
1854                 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1855         }
1856         return werr;
1857 }
1858
1859 /****************************************************************
1860 ****************************************************************/
1861
1862 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1863                                   struct libnet_UnjoinCtx *r)
1864 {
1865         NTSTATUS status;
1866
1867         if (!r->in.domain_sid) {
1868                 struct dom_sid sid;
1869                 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1870                         libnet_unjoin_set_error_string(mem_ctx, r,
1871                                 "Unable to fetch domain sid: are we joined?");
1872                         return WERR_SETUP_NOT_JOINED;
1873                 }
1874                 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1875                 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1876         }
1877
1878         if (!r->in.dc_name) {
1879                 struct netr_DsRGetDCNameInfo *info;
1880                 const char *dc;
1881                 status = dsgetdcname(mem_ctx,
1882                                      r->in.msg_ctx,
1883                                      r->in.domain_name,
1884                                      NULL,
1885                                      NULL,
1886                                      DS_DIRECTORY_SERVICE_REQUIRED |
1887                                      DS_WRITABLE_REQUIRED |
1888                                      DS_RETURN_DNS_NAME,
1889                                      &info);
1890                 if (!NT_STATUS_IS_OK(status)) {
1891                         libnet_unjoin_set_error_string(mem_ctx, r,
1892                                 "failed to find DC for domain %s",
1893                                 r->in.domain_name,
1894                                 get_friendly_nt_error_msg(status));
1895                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1896                 }
1897
1898                 dc = strip_hostname(info->dc_unc);
1899                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1900                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1901         }
1902
1903         status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1904         if (!NT_STATUS_IS_OK(status)) {
1905                 libnet_unjoin_set_error_string(mem_ctx, r,
1906                         "failed to disable machine account via rpc: %s",
1907                         get_friendly_nt_error_msg(status));
1908                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1909                         return WERR_SETUP_NOT_JOINED;
1910                 }
1911                 return ntstatus_to_werror(status);
1912         }
1913
1914         r->out.disabled_machine_account = true;
1915
1916 #ifdef WITH_ADS
1917         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1918                 ADS_STATUS ads_status;
1919                 libnet_unjoin_connect_ads(mem_ctx, r);
1920                 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1921                 if (!ADS_ERR_OK(ads_status)) {
1922                         libnet_unjoin_set_error_string(mem_ctx, r,
1923                                 "failed to remove machine account from AD: %s",
1924                                 ads_errstr(ads_status));
1925                 } else {
1926                         r->out.deleted_machine_account = true;
1927                         /* dirty hack */
1928                         r->out.dns_domain_name = talloc_strdup(mem_ctx,
1929                                                                r->in.ads->server.realm);
1930                         W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
1931                 }
1932         }
1933 #endif /* WITH_ADS */
1934
1935         libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1936
1937         return WERR_OK;
1938 }
1939
1940 /****************************************************************
1941 ****************************************************************/
1942
1943 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1944                                            struct libnet_UnjoinCtx *r)
1945 {
1946         if (!r->in.domain_name) {
1947                 libnet_unjoin_set_error_string(mem_ctx, r,
1948                         "No domain name defined");
1949                 return WERR_INVALID_PARAM;
1950         }
1951
1952         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1953                                     &r->in.domain_name,
1954                                     &r->in.dc_name)) {
1955                 libnet_unjoin_set_error_string(mem_ctx, r,
1956                         "Failed to parse domain name");
1957                 return WERR_INVALID_PARAM;
1958         }
1959
1960         if (IS_DC) {
1961                 return WERR_SETUP_DOMAIN_CONTROLLER;
1962         }
1963
1964         if (!secrets_init()) {
1965                 libnet_unjoin_set_error_string(mem_ctx, r,
1966                         "Unable to open secrets database");
1967                 return WERR_CAN_NOT_COMPLETE;
1968         }
1969
1970         return WERR_OK;
1971 }
1972
1973 /****************************************************************
1974 ****************************************************************/
1975
1976 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
1977                                             struct libnet_UnjoinCtx *r)
1978 {
1979         saf_delete(r->out.netbios_domain_name);
1980         saf_delete(r->out.dns_domain_name);
1981
1982         return libnet_unjoin_config(r);
1983 }
1984
1985 /****************************************************************
1986 ****************************************************************/
1987
1988 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1989                      struct libnet_UnjoinCtx *r)
1990 {
1991         WERROR werr;
1992
1993         if (r->in.debug) {
1994                 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1995         }
1996
1997         werr = libnet_unjoin_pre_processing(mem_ctx, r);
1998         if (!W_ERROR_IS_OK(werr)) {
1999                 goto done;
2000         }
2001
2002         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2003                 werr = libnet_DomainUnjoin(mem_ctx, r);
2004                 if (!W_ERROR_IS_OK(werr)) {
2005                         libnet_unjoin_config(r);
2006                         goto done;
2007                 }
2008         }
2009
2010         werr = libnet_unjoin_post_processing(mem_ctx, r);
2011         if (!W_ERROR_IS_OK(werr)) {
2012                 goto done;
2013         }
2014
2015  done:
2016         r->out.result = werr;
2017
2018         if (r->in.debug) {
2019                 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2020         }
2021
2022         return werr;
2023 }