source/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 static void init_lsa_String(struct lsa_String *name, const char *s)
  54 {
  55         name->string = s;
  56 }
  57
  58 /****************************************************************
  59 ****************************************************************/
  60
  61 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
  62                                          struct libnet_JoinCtx *r,
  63                                          const char *format, ...)
  64 {
  65         va_list args;
  66
  67         if (r->out.error_string) {
  68                 return;
  69         }
  70
  71         va_start(args, format);
  72         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  73         va_end(args);
  74 }
  75
  76 /****************************************************************
  77 ****************************************************************/
  78
  79 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
  80                                            struct libnet_UnjoinCtx *r,
  81                                            const char *format, ...)
  82 {
  83         va_list args;
  84
  85         if (r->out.error_string) {
  86                 return;
  87         }
  88
  89         va_start(args, format);
  90         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  91         va_end(args);
  92 }
  93
  94 #ifdef WITH_ADS
  95
  96 /****************************************************************
  97 ****************************************************************/
  98
  99 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
 100                                      const char *netbios_domain_name,
 101                                      const char *dc_name,
 102                                      const char *user_name,
 103                                      const char *password,
 104                                      ADS_STRUCT **ads)
 105 {
 106         ADS_STATUS status;
 107         ADS_STRUCT *my_ads = NULL;
 108
 109         my_ads = ads_init(dns_domain_name,
 110                           netbios_domain_name,
 111                           dc_name);
 112         if (!my_ads) {
 113                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 114         }
 115
 116         if (user_name) {
 117                 SAFE_FREE(my_ads->auth.user_name);
 118                 my_ads->auth.user_name = SMB_STRDUP(user_name);
 119         }
 120
 121         if (password) {
 122                 SAFE_FREE(my_ads->auth.password);
 123                 my_ads->auth.password = SMB_STRDUP(password);
 124         }
 125
 126         status = ads_connect(my_ads);
 127         if (!ADS_ERR_OK(status)) {
 128                 ads_destroy(&my_ads);
 129                 return status;
 130         }
 131
 132         *ads = my_ads;
 133         return ADS_SUCCESS;
 134 }
 135
 136 /****************************************************************
 137 ****************************************************************/
 138
 139 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
 140                                           struct libnet_JoinCtx *r)
 141 {
 142         ADS_STATUS status;
 143
 144         status = libnet_connect_ads(r->in.domain_name,
 145                                     r->in.domain_name,
 146                                     r->in.dc_name,
 147                                     r->in.admin_account,
 148                                     r->in.admin_password,
 149                                     &r->in.ads);
 150         if (!ADS_ERR_OK(status)) {
 151                 libnet_join_set_error_string(mem_ctx, r,
 152                         "failed to connect to AD: %s",
 153                         ads_errstr(status));
 154         }
 155
 156         return status;
 157 }
 158
 159 /****************************************************************
 160 ****************************************************************/
 161
 162 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
 163                                             struct libnet_UnjoinCtx *r)
 164 {
 165         ADS_STATUS status;
 166
 167         status = libnet_connect_ads(r->in.domain_name,
 168                                     r->in.domain_name,
 169                                     r->in.dc_name,
 170                                     r->in.admin_account,
 171                                     r->in.admin_password,
 172                                     &r->in.ads);
 173         if (!ADS_ERR_OK(status)) {
 174                 libnet_unjoin_set_error_string(mem_ctx, r,
 175                         "failed to connect to AD: %s",
 176                         ads_errstr(status));
 177         }
 178
 179         return status;
 180 }
 181
 182 /****************************************************************
 183 ****************************************************************/
 184
 185 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
 186                                                      struct libnet_JoinCtx *r)
 187 {
 188         ADS_STATUS status;
 189         LDAPMessage *res = NULL;
 190         const char *attrs[] = { "dn", NULL };
 191
 192         status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
 193         if (!ADS_ERR_OK(status)) {
 194                 return status;
 195         }
 196
 197         if (ads_count_replies(r->in.ads, res) != 1) {
 198                 ads_msgfree(r->in.ads, res);
 199                 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
 200         }
 201
 202         status = ads_create_machine_acct(r->in.ads,
 203                                          r->in.machine_name,
 204                                          r->in.account_ou);
 205         ads_msgfree(r->in.ads, res);
 206
 207         if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
 208             (status.err.rc == LDAP_ALREADY_EXISTS)) {
 209                 status = ADS_SUCCESS;
 210         }
 211
 212         return status;
 213 }
 214
 215 /****************************************************************
 216 ****************************************************************/
 217
 218 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
 219                                                     struct libnet_UnjoinCtx *r)
 220 {
 221         ADS_STATUS status;
 222
 223         if (!r->in.ads) {
 224                 status = libnet_unjoin_connect_ads(mem_ctx, r);
 225                 if (!ADS_ERR_OK(status)) {
 226                         return status;
 227                 }
 228         }
 229
 230         status = ads_leave_realm(r->in.ads, r->in.machine_name);
 231         if (!ADS_ERR_OK(status)) {
 232                 libnet_unjoin_set_error_string(mem_ctx, r,
 233                         "failed to leave realm: %s",
 234                         ads_errstr(status));
 235                 return status;
 236         }
 237
 238         return ADS_SUCCESS;
 239 }
 240
 241 /****************************************************************
 242 ****************************************************************/
 243
 244 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
 245                                                 struct libnet_JoinCtx *r)
 246 {
 247         ADS_STATUS status;
 248         LDAPMessage *res = NULL;
 249         char *dn = NULL;
 250
 251         if (!r->in.machine_name) {
 252                 return ADS_ERROR(LDAP_NO_MEMORY);
 253         }
 254
 255         status = ads_find_machine_acct(r->in.ads,
 256                                        &res,
 257                                        r->in.machine_name);
 258         if (!ADS_ERR_OK(status)) {
 259                 return status;
 260         }
 261
 262         if (ads_count_replies(r->in.ads, res) != 1) {
 263                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 264                 goto done;
 265         }
 266
 267         dn = ads_get_dn(r->in.ads, res);
 268         if (!dn) {
 269                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 270                 goto done;
 271         }
 272
 273         r->out.dn = talloc_strdup(mem_ctx, dn);
 274         if (!r->out.dn) {
 275                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 276                 goto done;
 277         }
 278
 279  done:
 280         ads_msgfree(r->in.ads, res);
 281         ads_memfree(r->in.ads, dn);
 282
 283         return status;
 284 }
 285
 286 /****************************************************************
 287 ****************************************************************/
 288
 289 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
 290                                               struct libnet_JoinCtx *r)
 291 {
 292         ADS_STATUS status;
 293         ADS_MODLIST mods;
 294         fstring my_fqdn;
 295         const char *spn_array[3] = {NULL, NULL, NULL};
 296         char *spn = NULL;
 297
 298         if (!r->in.ads) {
 299                 status = libnet_join_connect_ads(mem_ctx, r);
 300                 if (!ADS_ERR_OK(status)) {
 301                         return status;
 302                 }
 303         }
 304
 305         status = libnet_join_find_machine_acct(mem_ctx, r);
 306         if (!ADS_ERR_OK(status)) {
 307                 return status;
 308         }
 309
 310         spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
 311         if (!spn) {
 312                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 313         }
 314         strupper_m(spn);
 315         spn_array[0] = spn;
 316
 317         if (name_to_fqdn(my_fqdn, r->in.machine_name) &&
 318             !strequal(my_fqdn, r->in.machine_name)) {
 319
 320                 strlower_m(my_fqdn);
 321                 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
 322                 if (!spn) {
 323                         return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 324                 }
 325                 spn_array[1] = spn;
 326         }
 327
 328         mods = ads_init_mods(mem_ctx);
 329         if (!mods) {
 330                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 331         }
 332
 333         status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
 334         if (!ADS_ERR_OK(status)) {
 335                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 336         }
 337
 338         status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
 339                                  spn_array);
 340         if (!ADS_ERR_OK(status)) {
 341                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 342         }
 343
 344         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 345 }
 346
 347 /****************************************************************
 348 ****************************************************************/
 349
 350 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
 351                                               struct libnet_JoinCtx *r)
 352 {
 353         ADS_STATUS status;
 354         ADS_MODLIST mods;
 355
 356         if (!r->in.create_upn) {
 357                 return ADS_SUCCESS;
 358         }
 359
 360         if (!r->in.ads) {
 361                 status = libnet_join_connect_ads(mem_ctx, r);
 362                 if (!ADS_ERR_OK(status)) {
 363                         return status;
 364                 }
 365         }
 366
 367         status = libnet_join_find_machine_acct(mem_ctx, r);
 368         if (!ADS_ERR_OK(status)) {
 369                 return status;
 370         }
 371
 372         if (!r->in.upn) {
 373                 r->in.upn = talloc_asprintf(mem_ctx,
 374                                             "host/%s@%s",
 375                                             r->in.machine_name,
 376                                             r->out.dns_domain_name);
 377                 if (!r->in.upn) {
 378                         return ADS_ERROR(LDAP_NO_MEMORY);
 379                 }
 380         }
 381
 382         mods = ads_init_mods(mem_ctx);
 383         if (!mods) {
 384                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 385         }
 386
 387         status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
 388         if (!ADS_ERR_OK(status)) {
 389                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 390         }
 391
 392         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 393 }
 394
 395
 396 /****************************************************************
 397 ****************************************************************/
 398
 399 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
 400                                                 struct libnet_JoinCtx *r)
 401 {
 402         ADS_STATUS status;
 403         ADS_MODLIST mods;
 404         char *os_sp = NULL;
 405
 406         if (!r->in.os_name || !r->in.os_version ) {
 407                 return ADS_SUCCESS;
 408         }
 409
 410         if (!r->in.ads) {
 411                 status = libnet_join_connect_ads(mem_ctx, r);
 412                 if (!ADS_ERR_OK(status)) {
 413                         return status;
 414                 }
 415         }
 416
 417         status = libnet_join_find_machine_acct(mem_ctx, r);
 418         if (!ADS_ERR_OK(status)) {
 419                 return status;
 420         }
 421
 422         mods = ads_init_mods(mem_ctx);
 423         if (!mods) {
 424                 return ADS_ERROR(LDAP_NO_MEMORY);
 425         }
 426
 427         os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
 428         if (!os_sp) {
 429                 return ADS_ERROR(LDAP_NO_MEMORY);
 430         }
 431
 432         status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
 433                              r->in.os_name);
 434         if (!ADS_ERR_OK(status)) {
 435                 return status;
 436         }
 437
 438         status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
 439                              r->in.os_version);
 440         if (!ADS_ERR_OK(status)) {
 441                 return status;
 442         }
 443
 444         status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
 445                              os_sp);
 446         if (!ADS_ERR_OK(status)) {
 447                 return status;
 448         }
 449
 450         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 451 }
 452
 453 /****************************************************************
 454 ****************************************************************/
 455
 456 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
 457                                       struct libnet_JoinCtx *r)
 458 {
 459         if (!lp_use_kerberos_keytab()) {
 460                 return true;
 461         }
 462
 463         if (!ads_keytab_create_default(r->in.ads)) {
 464                 return false;
 465         }
 466
 467         return true;
 468 }
 469
 470 /****************************************************************
 471 ****************************************************************/
 472
 473 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
 474                                                  struct libnet_JoinCtx *r)
 475 {
 476         uint32_t domain_func;
 477         ADS_STATUS status;
 478         const char *salt = NULL;
 479         char *std_salt = NULL;
 480
 481         status = ads_domain_func_level(r->in.ads, &domain_func);
 482         if (!ADS_ERR_OK(status)) {
 483                 libnet_join_set_error_string(mem_ctx, r,
 484                         "failed to determine domain functional level: %s",
 485                         ads_errstr(status));
 486                 return false;
 487         }
 488
 489         std_salt = kerberos_standard_des_salt();
 490         if (!std_salt) {
 491                 libnet_join_set_error_string(mem_ctx, r,
 492                         "failed to obtain standard DES salt");
 493                 return false;
 494         }
 495
 496         salt = talloc_strdup(mem_ctx, std_salt);
 497         if (!salt) {
 498                 return false;
 499         }
 500
 501         SAFE_FREE(std_salt);
 502
 503         if (domain_func == DS_DOMAIN_FUNCTION_2000) {
 504                 char *upn;
 505
 506                 upn = ads_get_upn(r->in.ads, mem_ctx,
 507                                   r->in.machine_name);
 508                 if (upn) {
 509                         salt = talloc_strdup(mem_ctx, upn);
 510                         if (!salt) {
 511                                 return false;
 512                         }
 513                 }
 514         }
 515
 516         return kerberos_secrets_store_des_salt(salt);
 517 }
 518
 519 /****************************************************************
 520 ****************************************************************/
 521
 522 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
 523                                                   struct libnet_JoinCtx *r)
 524 {
 525         ADS_STATUS status;
 526
 527         status = libnet_join_set_machine_spn(mem_ctx, r);
 528         if (!ADS_ERR_OK(status)) {
 529                 libnet_join_set_error_string(mem_ctx, r,
 530                         "failed to set machine spn: %s",
 531                         ads_errstr(status));
 532                 return status;
 533         }
 534
 535         status = libnet_join_set_os_attributes(mem_ctx, r);
 536         if (!ADS_ERR_OK(status)) {
 537                 libnet_join_set_error_string(mem_ctx, r,
 538                         "failed to set machine os attributes: %s",
 539                         ads_errstr(status));
 540                 return status;
 541         }
 542
 543         status = libnet_join_set_machine_upn(mem_ctx, r);
 544         if (!ADS_ERR_OK(status)) {
 545                 libnet_join_set_error_string(mem_ctx, r,
 546                         "failed to set machine upn: %s",
 547                         ads_errstr(status));
 548                 return status;
 549         }
 550
 551         if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
 552                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 553         }
 554
 555         if (!libnet_join_create_keytab(mem_ctx, r)) {
 556                 libnet_join_set_error_string(mem_ctx, r,
 557                         "failed to create kerberos keytab");
 558                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 559         }
 560
 561         return ADS_SUCCESS;
 562 }
 563 #endif /* WITH_ADS */
 564
 565 /****************************************************************
 566 ****************************************************************/
 567
 568 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
 569                                                  struct libnet_JoinCtx *r)
 570 {
 571         if (!secrets_store_domain_sid(r->out.netbios_domain_name,
 572                                       r->out.domain_sid))
 573         {
 574                 return false;
 575         }
 576
 577         if (!secrets_store_machine_password(r->in.machine_password,
 578                                             r->out.netbios_domain_name,
 579                                             SEC_CHAN_WKSTA))
 580         {
 581                 return false;
 582         }
 583
 584         return true;
 585 }
 586
 587 /****************************************************************
 588 ****************************************************************/
 589
 590 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 591                                            struct libnet_JoinCtx *r)
 592 {
 593         struct cli_state *cli = NULL;
 594         struct rpc_pipe_client *pipe_hnd = NULL;
 595         POLICY_HND sam_pol, domain_pol, user_pol, lsa_pol;
 596         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 597         char *acct_name;
 598         const char *const_acct_name;
 599         struct lsa_String lsa_acct_name;
 600         uint32 user_rid;
 601         uint32 num_rids, *name_types, *user_rids;
 602         uint32 flags = 0x3e8;
 603         uint32 acb_info = ACB_WSTRUST;
 604         uint32 fields_present;
 605         uchar pwbuf[532];
 606         SAM_USERINFO_CTR ctr;
 607         SAM_USER_INFO_25 p25;
 608         const int infolevel = 25;
 609         struct MD5Context md5ctx;
 610         uchar md5buffer[16];
 611         DATA_BLOB digested_session_key;
 612         uchar md4_trust_password[16];
 613
 614         if (!r->in.machine_password) {
 615                 r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
 616                 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
 617         }
 618
 619         status = cli_full_connection(&cli, NULL,
 620                                      r->in.dc_name,
 621                                      NULL, 0,
 622                                      "IPC$", "IPC",
 623                                      r->in.admin_account,
 624                                      NULL,
 625                                      r->in.admin_password,
 626                                      0,
 627                                      Undefined, NULL);
 628
 629         if (!NT_STATUS_IS_OK(status)) {
 630                 goto done;
 631         }
 632
 633         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
 634         if (!pipe_hnd) {
 635                 goto done;
 636         }
 637
 638         status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
 639                                         SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
 640         if (!NT_STATUS_IS_OK(status)) {
 641                 goto done;
 642         }
 643
 644         status = rpccli_lsa_query_info_policy2(pipe_hnd, mem_ctx, &lsa_pol,
 645                                                12,
 646                                                &r->out.netbios_domain_name,
 647                                                &r->out.dns_domain_name,
 648                                                NULL,
 649                                                NULL,
 650                                                &r->out.domain_sid);
 651
 652         if (NT_STATUS_IS_OK(status)) {
 653                 r->out.domain_is_ad = true;
 654         }
 655
 656         if (!NT_STATUS_IS_OK(status)) {
 657                 status = rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx, &lsa_pol,
 658                                                       5,
 659                                                       &r->out.netbios_domain_name,
 660                                                       &r->out.domain_sid);
 661                 if (!NT_STATUS_IS_OK(status)) {
 662                         goto done;
 663                 }
 664         }
 665
 666         rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
 667         cli_rpc_pipe_close(pipe_hnd);
 668
 669         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
 670         if (!pipe_hnd) {
 671                 goto done;
 672         }
 673
 674         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 675                                       pipe_hnd->cli->desthost,
 676                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 677                                       &sam_pol);
 678         if (!NT_STATUS_IS_OK(status)) {
 679                 goto done;
 680         }
 681
 682         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
 683                                         &sam_pol,
 684                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
 685                                         r->out.domain_sid,
 686                                         &domain_pol);
 687         if (!NT_STATUS_IS_OK(status)) {
 688                 goto done;
 689         }
 690
 691         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 692         strlower_m(acct_name);
 693         const_acct_name = acct_name;
 694
 695         init_lsa_String(&lsa_acct_name, acct_name);
 696
 697         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
 698                 uint32_t acct_flags =
 699                         SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
 700                         SEC_STD_WRITE_DAC | SEC_STD_DELETE |
 701                         SAMR_USER_ACCESS_SET_PASSWORD |
 702                         SAMR_USER_ACCESS_GET_ATTRIBUTES |
 703                         SAMR_USER_ACCESS_SET_ATTRIBUTES;
 704                 uint32_t access_granted = 0;
 705
 706                 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
 707                                                  &domain_pol,
 708                                                  &lsa_acct_name,
 709                                                  ACB_WSTRUST,
 710                                                  acct_flags,
 711                                                  &user_pol,
 712                                                  &access_granted,
 713                                                  &user_rid);
 714                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 715                         if (!(r->in.join_flags &
 716                               WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
 717                                 goto done;
 718                         }
 719                 }
 720
 721                 if (NT_STATUS_IS_OK(status)) {
 722                         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 723                 }
 724         }
 725
 726         status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
 727                                           &domain_pol, flags, 1,
 728                                           &const_acct_name,
 729                                           &num_rids, &user_rids, &name_types);
 730         if (!NT_STATUS_IS_OK(status)) {
 731                 goto done;
 732         }
 733
 734         if (name_types[0] != SID_NAME_USER) {
 735                 status = NT_STATUS_INVALID_WORKSTATION;
 736                 goto done;
 737         }
 738
 739         user_rid = user_rids[0];
 740
 741         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 742                                       &domain_pol,
 743                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 744                                       user_rid,
 745                                       &user_pol);
 746         if (!NT_STATUS_IS_OK(status)) {
 747                 goto done;
 748         }
 749
 750         E_md4hash(r->in.machine_password, md4_trust_password);
 751         encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
 752
 753         generate_random_buffer((uint8*)md5buffer, sizeof(md5buffer));
 754         digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
 755
 756         MD5Init(&md5ctx);
 757         MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
 758         MD5Update(&md5ctx, cli->user_session_key.data,
 759                   cli->user_session_key.length);
 760         MD5Final(digested_session_key.data, &md5ctx);
 761
 762         SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
 763         memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
 764
 765         acb_info |= ACB_PWNOEXP;
 766         if (r->out.domain_is_ad) {
 767 #if !defined(ENCTYPE_ARCFOUR_HMAC)
 768                 acb_info |= ACB_USE_DES_KEY_ONLY;
 769 #endif
 770                 ;;
 771         }
 772
 773         ZERO_STRUCT(ctr);
 774         ZERO_STRUCT(p25);
 775
 776         fields_present = ACCT_NT_PWD_SET | ACCT_LM_PWD_SET | ACCT_FLAGS;
 777         init_sam_user_info25P(&p25, fields_present, acb_info, (char *)pwbuf);
 778
 779         ctr.switch_value = infolevel;
 780         ctr.info.id25    = &p25;
 781
 782         status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol,
 783                                            infolevel, &cli->user_session_key,
 784                                            &ctr);
 785         if (!NT_STATUS_IS_OK(status)) {
 786                 goto done;
 787         }
 788
 789         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 790         cli_rpc_pipe_close(pipe_hnd);
 791
 792         status = NT_STATUS_OK;
 793  done:
 794         if (cli) {
 795                 cli_shutdown(cli);
 796         }
 797
 798         return status;
 799 }
 800
 801 /****************************************************************
 802 ****************************************************************/
 803
 804 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
 805                                                     struct libnet_UnjoinCtx *r)
 806 {
 807         if (!secrets_delete_machine_password_ex(lp_workgroup())) {
 808                 return false;
 809         }
 810
 811         if (!secrets_delete_domain_sid(lp_workgroup())) {
 812                 return false;
 813         }
 814
 815         return true;
 816 }
 817
 818 /****************************************************************
 819 ****************************************************************/
 820
 821 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
 822                                              struct libnet_UnjoinCtx *r)
 823 {
 824         struct cli_state *cli = NULL;
 825         struct rpc_pipe_client *pipe_hnd = NULL;
 826         POLICY_HND sam_pol, domain_pol, user_pol;
 827         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 828         char *acct_name;
 829         uint32 flags = 0x3e8;
 830         const char *const_acct_name;
 831         uint32 user_rid;
 832         uint32 num_rids, *name_types, *user_rids;
 833         SAM_USERINFO_CTR ctr, *qctr = NULL;
 834         SAM_USER_INFO_16 p16;
 835
 836         status = cli_full_connection(&cli, NULL,
 837                                      r->in.dc_name,
 838                                      NULL, 0,
 839                                      "IPC$", "IPC",
 840                                      r->in.admin_account,
 841                                      NULL,
 842                                      r->in.admin_password,
 843                                      0, Undefined, NULL);
 844
 845         if (!NT_STATUS_IS_OK(status)) {
 846                 goto done;
 847         }
 848
 849         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
 850         if (!pipe_hnd) {
 851                 goto done;
 852         }
 853
 854         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 855                                       pipe_hnd->cli->desthost,
 856                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 857                                       &sam_pol);
 858         if (!NT_STATUS_IS_OK(status)) {
 859                 goto done;
 860         }
 861
 862         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
 863                                         &sam_pol,
 864                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
 865                                         r->in.domain_sid,
 866                                         &domain_pol);
 867         if (!NT_STATUS_IS_OK(status)) {
 868                 goto done;
 869         }
 870
 871         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 872         strlower_m(acct_name);
 873         const_acct_name = acct_name;
 874
 875         status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
 876                                           &domain_pol, flags, 1,
 877                                           &const_acct_name,
 878                                           &num_rids, &user_rids, &name_types);
 879         if (!NT_STATUS_IS_OK(status)) {
 880                 goto done;
 881         }
 882
 883         if (name_types[0] != SID_NAME_USER) {
 884                 status = NT_STATUS_INVALID_WORKSTATION;
 885                 goto done;
 886         }
 887
 888         user_rid = user_rids[0];
 889
 890         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 891                                       &domain_pol,
 892                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 893                                       user_rid,
 894                                       &user_pol);
 895         if (!NT_STATUS_IS_OK(status)) {
 896                 goto done;
 897         }
 898
 899         status = rpccli_samr_query_userinfo(pipe_hnd, mem_ctx,
 900                                             &user_pol, 16, &qctr);
 901         if (!NT_STATUS_IS_OK(status)) {
 902                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 903                 goto done;
 904         }
 905
 906         ZERO_STRUCT(ctr);
 907         ctr.switch_value = 16;
 908         ctr.info.id16 = &p16;
 909
 910         p16.acb_info = qctr->info.id16->acb_info | ACB_DISABLED;
 911
 912         status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
 913                                            &cli->user_session_key, &ctr);
 914
 915         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 916
 917 done:
 918         if (pipe_hnd) {
 919                 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
 920                 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
 921                 cli_rpc_pipe_close(pipe_hnd);
 922         }
 923
 924         if (cli) {
 925                 cli_shutdown(cli);
 926         }
 927
 928         return status;
 929 }
 930
 931 /****************************************************************
 932 ****************************************************************/
 933
 934 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
 935 {
 936         WERROR werr;
 937         struct libnet_conf_ctx *ctx;
 938
 939         werr = libnet_conf_open(r, &ctx);
 940         if (!W_ERROR_IS_OK(werr)) {
 941                 goto done;
 942         }
 943
 944         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
 945
 946                 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
 947                 if (!W_ERROR_IS_OK(werr)) {
 948                         goto done;
 949                 }
 950
 951                 werr = libnet_conf_set_global_parameter(ctx, "workgroup",
 952                                                         r->in.domain_name);
 953                 goto done;
 954         }
 955
 956         werr = libnet_conf_set_global_parameter(ctx, "security", "domain");
 957         if (!W_ERROR_IS_OK(werr)) {
 958                 goto done;
 959         }
 960
 961         werr = libnet_conf_set_global_parameter(ctx, "workgroup",
 962                                                 r->out.netbios_domain_name);
 963         if (!W_ERROR_IS_OK(werr)) {
 964                 goto done;
 965         }
 966
 967         if (r->out.domain_is_ad) {
 968                 werr = libnet_conf_set_global_parameter(ctx, "security", "ads");
 969                 if (!W_ERROR_IS_OK(werr)) {
 970                         goto done;
 971                 }
 972
 973                 werr = libnet_conf_set_global_parameter(ctx, "realm",
 974                                                         r->out.dns_domain_name);
 975         }
 976
 977 done:
 978         libnet_conf_close(ctx);
 979         return werr;
 980 }
 981
 982 /****************************************************************
 983 ****************************************************************/
 984
 985 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
 986 {
 987         WERROR werr = WERR_OK;
 988         struct libnet_conf_ctx *ctx;
 989
 990         werr = libnet_conf_open(r, &ctx);
 991         if (!W_ERROR_IS_OK(werr)) {
 992                 goto done;
 993         }
 994
 995         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
 996
 997                 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
 998                 if (!W_ERROR_IS_OK(werr)) {
 999                         goto done;
1000                 }
1001         }
1002
1003         libnet_conf_delete_global_parameter(ctx, "realm");
1004
1005 done:
1006         libnet_conf_close(ctx);
1007         return werr;
1008 }
1009
1010 /****************************************************************
1011 ****************************************************************/
1012
1013 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1014 {
1015         WERROR werr;
1016
1017         if (!W_ERROR_IS_OK(r->out.result)) {
1018                 return r->out.result;
1019         }
1020
1021         if (!r->in.modify_config) {
1022                 return WERR_OK;
1023         }
1024
1025         werr = do_join_modify_vals_config(r);
1026         if (!W_ERROR_IS_OK(werr)) {
1027                 return werr;
1028         }
1029
1030         r->out.modified_config = true;
1031         r->out.result = werr;
1032
1033         return werr;
1034 }
1035
1036 /****************************************************************
1037 ****************************************************************/
1038
1039 static WERROR do_UnjoinConfig(struct libnet_UnjoinCtx *r)
1040 {
1041         WERROR werr;
1042
1043         if (!W_ERROR_IS_OK(r->out.result)) {
1044                 return r->out.result;
1045         }
1046
1047         if (!r->in.modify_config) {
1048                 return WERR_OK;
1049         }
1050
1051         werr = do_unjoin_modify_vals_config(r);
1052         if (!W_ERROR_IS_OK(werr)) {
1053                 return werr;
1054         }
1055
1056         r->out.modified_config = true;
1057         r->out.result = werr;
1058
1059         return werr;
1060 }
1061
1062 /****************************************************************
1063 ****************************************************************/
1064
1065 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1066                                          struct libnet_JoinCtx *r)
1067 {
1068
1069         if (!r->in.domain_name) {
1070                 return WERR_INVALID_PARAM;
1071         }
1072
1073         if (r->in.modify_config && !lp_config_backend_is_registry()) {
1074                 return WERR_NOT_SUPPORTED;
1075         }
1076
1077         if (IS_DC) {
1078                 return WERR_SETUP_DOMAIN_CONTROLLER;
1079         }
1080
1081         if (!secrets_init()) {
1082                 libnet_join_set_error_string(mem_ctx, r,
1083                         "Unable to open secrets database");
1084                 return WERR_CAN_NOT_COMPLETE;
1085         }
1086
1087         return WERR_OK;
1088 }
1089
1090 /****************************************************************
1091 ****************************************************************/
1092
1093 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1094                                           struct libnet_JoinCtx *r)
1095 {
1096         WERROR werr;
1097
1098         if (!W_ERROR_IS_OK(r->out.result)) {
1099                 return r->out.result;
1100         }
1101
1102         werr = do_JoinConfig(r);
1103         if (!W_ERROR_IS_OK(werr)) {
1104                 return werr;
1105         }
1106
1107         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1108                 saf_store(r->in.domain_name, r->in.dc_name);
1109         }
1110
1111         return WERR_OK;
1112 }
1113
1114 /****************************************************************
1115 ****************************************************************/
1116
1117 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1118 {
1119         if (r->in.ads) {
1120                 ads_destroy(&r->in.ads);
1121         }
1122
1123         return 0;
1124 }
1125
1126 /****************************************************************
1127 ****************************************************************/
1128
1129 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1130 {
1131         if (r->in.ads) {
1132                 ads_destroy(&r->in.ads);
1133         }
1134
1135         return 0;
1136 }
1137
1138 /****************************************************************
1139 ****************************************************************/
1140
1141 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1142                            struct libnet_JoinCtx **r)
1143 {
1144         struct libnet_JoinCtx *ctx;
1145
1146         ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1147         if (!ctx) {
1148                 return WERR_NOMEM;
1149         }
1150
1151         talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1152
1153         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1154         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1155
1156         *r = ctx;
1157
1158         return WERR_OK;
1159 }
1160
1161 /****************************************************************
1162 ****************************************************************/
1163
1164 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1165                              struct libnet_UnjoinCtx **r)
1166 {
1167         struct libnet_UnjoinCtx *ctx;
1168
1169         ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1170         if (!ctx) {
1171                 return WERR_NOMEM;
1172         }
1173
1174         talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1175
1176         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1177         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1178
1179         *r = ctx;
1180
1181         return WERR_OK;
1182 }
1183
1184 /****************************************************************
1185 ****************************************************************/
1186
1187 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1188                                 struct libnet_JoinCtx *r)
1189 {
1190         NTSTATUS status;
1191 #ifdef WITH_ADS
1192         ADS_STATUS ads_status;
1193 #endif /* WITH_ADS */
1194
1195         if (!r->in.dc_name) {
1196                 struct DS_DOMAIN_CONTROLLER_INFO *info;
1197                 status = dsgetdcname(mem_ctx,
1198                                      r->in.domain_name,
1199                                      NULL,
1200                                      NULL,
1201                                      DS_DIRECTORY_SERVICE_REQUIRED |
1202                                      DS_WRITABLE_REQUIRED |
1203                                      DS_RETURN_DNS_NAME,
1204                                      &info);
1205                 if (!NT_STATUS_IS_OK(status)) {
1206                         libnet_join_set_error_string(mem_ctx, r,
1207                                 "failed to find DC for domain %s",
1208                                 r->in.domain_name,
1209                                 get_friendly_nt_error_msg(status));
1210                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1211                 }
1212
1213                 r->in.dc_name = talloc_strdup(mem_ctx,
1214                                               info->domain_controller_name);
1215                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1216         }
1217
1218 #ifdef WITH_ADS
1219         if (r->in.account_ou) {
1220
1221                 ads_status = libnet_join_connect_ads(mem_ctx, r);
1222                 if (!ADS_ERR_OK(ads_status)) {
1223                         return WERR_DEFAULT_JOIN_REQUIRED;
1224                 }
1225
1226                 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1227                 if (!ADS_ERR_OK(ads_status)) {
1228                         libnet_join_set_error_string(mem_ctx, r,
1229                                 "failed to precreate account in ou %s: %s",
1230                                 r->in.account_ou,
1231                                 ads_errstr(ads_status));
1232                         return WERR_DEFAULT_JOIN_REQUIRED;
1233                 }
1234
1235                 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1236         }
1237 #endif /* WITH_ADS */
1238
1239         status = libnet_join_joindomain_rpc(mem_ctx, r);
1240         if (!NT_STATUS_IS_OK(status)) {
1241                 libnet_join_set_error_string(mem_ctx, r,
1242                         "failed to join domain over rpc: %s",
1243                         get_friendly_nt_error_msg(status));
1244                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1245                         return WERR_SETUP_ALREADY_JOINED;
1246                 }
1247                 return ntstatus_to_werror(status);
1248         }
1249
1250         if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1251                 return WERR_SETUP_NOT_JOINED;
1252         }
1253
1254 #ifdef WITH_ADS
1255         if (r->out.domain_is_ad) {
1256                 ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
1257                 if (!ADS_ERR_OK(ads_status)) {
1258                         return WERR_GENERAL_FAILURE;
1259                 }
1260         }
1261 #endif /* WITH_ADS */
1262
1263         return WERR_OK;
1264 }
1265
1266 /****************************************************************
1267 ****************************************************************/
1268
1269 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1270                    struct libnet_JoinCtx *r)
1271 {
1272         WERROR werr;
1273
1274         if (r->in.debug) {
1275                 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1276         }
1277
1278         werr = libnet_join_pre_processing(mem_ctx, r);
1279         if (!W_ERROR_IS_OK(werr)) {
1280                 goto done;
1281         }
1282
1283         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1284                 werr = libnet_DomainJoin(mem_ctx, r);
1285                 if (!W_ERROR_IS_OK(werr)) {
1286                         goto done;
1287                 }
1288         }
1289
1290         werr = libnet_join_post_processing(mem_ctx, r);
1291         if (!W_ERROR_IS_OK(werr)) {
1292                 goto done;
1293         }
1294  done:
1295         r->out.result = werr;
1296
1297         if (r->in.debug) {
1298                 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1299         }
1300         return werr;
1301 }
1302
1303 /****************************************************************
1304 ****************************************************************/
1305
1306 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1307                                   struct libnet_UnjoinCtx *r)
1308 {
1309         NTSTATUS status;
1310
1311         if (!r->in.domain_sid) {
1312                 struct dom_sid sid;
1313                 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1314                         libnet_unjoin_set_error_string(mem_ctx, r,
1315                                 "Unable to fetch domain sid: are we joined?");
1316                         return WERR_SETUP_NOT_JOINED;
1317                 }
1318                 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1319                 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1320         }
1321
1322         if (!r->in.dc_name) {
1323                 struct DS_DOMAIN_CONTROLLER_INFO *info;
1324                 status = dsgetdcname(mem_ctx,
1325                                      r->in.domain_name,
1326                                      NULL,
1327                                      NULL,
1328                                      DS_DIRECTORY_SERVICE_REQUIRED |
1329                                      DS_WRITABLE_REQUIRED |
1330                                      DS_RETURN_DNS_NAME,
1331                                      &info);
1332                 if (!NT_STATUS_IS_OK(status)) {
1333                         libnet_unjoin_set_error_string(mem_ctx, r,
1334                                 "failed to find DC for domain %s",
1335                                 r->in.domain_name,
1336                                 get_friendly_nt_error_msg(status));
1337                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1338                 }
1339
1340                 r->in.dc_name = talloc_strdup(mem_ctx,
1341                                               info->domain_controller_name);
1342                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1343         }
1344
1345         status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1346         if (!NT_STATUS_IS_OK(status)) {
1347                 libnet_unjoin_set_error_string(mem_ctx, r,
1348                         "failed to disable machine account via rpc: %s",
1349                         get_friendly_nt_error_msg(status));
1350                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1351                         return WERR_SETUP_NOT_JOINED;
1352                 }
1353                 return ntstatus_to_werror(status);
1354         }
1355
1356 #ifdef WITH_ADS
1357         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1358                 ADS_STATUS ads_status;
1359                 libnet_unjoin_connect_ads(mem_ctx, r);
1360                 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1361                 if (!ADS_ERR_OK(ads_status)) {
1362                         libnet_unjoin_set_error_string(mem_ctx, r,
1363                                 "failed to remove machine account from AD: %s",
1364                                 ads_errstr(ads_status));
1365                 }
1366         }
1367 #endif /* WITH_ADS */
1368
1369         libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1370
1371         return WERR_OK;
1372 }
1373
1374 /****************************************************************
1375 ****************************************************************/
1376
1377 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1378                                            struct libnet_UnjoinCtx *r)
1379 {
1380         if (r->in.modify_config && !lp_config_backend_is_registry()) {
1381                 return WERR_NOT_SUPPORTED;
1382         }
1383
1384         if (!secrets_init()) {
1385                 libnet_unjoin_set_error_string(mem_ctx, r,
1386                         "Unable to open secrets database");
1387                 return WERR_CAN_NOT_COMPLETE;
1388         }
1389
1390         return WERR_OK;
1391 }
1392
1393
1394 /****************************************************************
1395 ****************************************************************/
1396
1397 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1398                      struct libnet_UnjoinCtx *r)
1399 {
1400         WERROR werr;
1401
1402         if (r->in.debug) {
1403                 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1404         }
1405
1406         werr = libnet_unjoin_pre_processing(mem_ctx, r);
1407         if (!W_ERROR_IS_OK(werr)) {
1408                 goto done;
1409         }
1410
1411         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1412                 werr = libnet_DomainUnjoin(mem_ctx, r);
1413                 if (!W_ERROR_IS_OK(werr)) {
1414                         goto done;
1415                 }
1416         }
1417
1418         werr = do_UnjoinConfig(r);
1419         if (!W_ERROR_IS_OK(werr)) {
1420                 goto done;
1421         }
1422
1423  done:
1424         r->out.result = werr;
1425
1426         if (r->in.debug) {
1427                 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
1428         }
1429
1430         return werr;
1431 }