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         struct lsa_String lsa_acct_name;
 599         uint32 user_rid;
 600         uint32 acb_info = ACB_WSTRUST;
 601         uint32 fields_present;
 602         uchar pwbuf[532];
 603         SAM_USERINFO_CTR ctr;
 604         SAM_USER_INFO_25 p25;
 605         const int infolevel = 25;
 606         struct MD5Context md5ctx;
 607         uchar md5buffer[16];
 608         DATA_BLOB digested_session_key;
 609         uchar md4_trust_password[16];
 610         union lsa_PolicyInformation *info = NULL;
 611         struct samr_Ids user_rids;
 612         struct samr_Ids name_types;
 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_QueryInfoPolicy2(pipe_hnd, mem_ctx,
 645                                              &lsa_pol,
 646                                              LSA_POLICY_INFO_DNS,
 647                                              &info);
 648         if (NT_STATUS_IS_OK(status)) {
 649                 r->out.domain_is_ad = true;
 650                 r->out.netbios_domain_name = info->dns.name.string;
 651                 r->out.dns_domain_name = info->dns.dns_domain.string;
 652                 r->out.domain_sid = info->dns.sid;
 653         }
 654
 655         if (!NT_STATUS_IS_OK(status)) {
 656                 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
 657                                                     &lsa_pol,
 658                                                     LSA_POLICY_INFO_ACCOUNT_DOMAIN,
 659                                                     &info);
 660                 if (!NT_STATUS_IS_OK(status)) {
 661                         goto done;
 662                 }
 663
 664                 r->out.netbios_domain_name = info->account_domain.name.string;
 665                 r->out.domain_sid = info->account_domain.sid;
 666         }
 667
 668         rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
 669         cli_rpc_pipe_close(pipe_hnd);
 670
 671         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
 672         if (!pipe_hnd) {
 673                 goto done;
 674         }
 675
 676         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 677                                       pipe_hnd->cli->desthost,
 678                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 679                                       &sam_pol);
 680         if (!NT_STATUS_IS_OK(status)) {
 681                 goto done;
 682         }
 683
 684         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
 685                                         &sam_pol,
 686                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
 687                                         r->out.domain_sid,
 688                                         &domain_pol);
 689         if (!NT_STATUS_IS_OK(status)) {
 690                 goto done;
 691         }
 692
 693         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 694         strlower_m(acct_name);
 695
 696         init_lsa_String(&lsa_acct_name, acct_name);
 697
 698         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
 699                 uint32_t acct_flags =
 700                         SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
 701                         SEC_STD_WRITE_DAC | SEC_STD_DELETE |
 702                         SAMR_USER_ACCESS_SET_PASSWORD |
 703                         SAMR_USER_ACCESS_GET_ATTRIBUTES |
 704                         SAMR_USER_ACCESS_SET_ATTRIBUTES;
 705                 uint32_t access_granted = 0;
 706
 707                 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
 708                                                  &domain_pol,
 709                                                  &lsa_acct_name,
 710                                                  ACB_WSTRUST,
 711                                                  acct_flags,
 712                                                  &user_pol,
 713                                                  &access_granted,
 714                                                  &user_rid);
 715                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 716                         if (!(r->in.join_flags &
 717                               WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
 718                                 goto done;
 719                         }
 720                 }
 721
 722                 if (NT_STATUS_IS_OK(status)) {
 723                         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 724                 }
 725         }
 726
 727         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
 728                                          &domain_pol,
 729                                          1,
 730                                          &lsa_acct_name,
 731                                          &user_rids,
 732                                          &name_types);
 733         if (!NT_STATUS_IS_OK(status)) {
 734                 goto done;
 735         }
 736
 737         if (name_types.ids[0] != SID_NAME_USER) {
 738                 status = NT_STATUS_INVALID_WORKSTATION;
 739                 goto done;
 740         }
 741
 742         user_rid = user_rids.ids[0];
 743
 744         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 745                                       &domain_pol,
 746                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 747                                       user_rid,
 748                                       &user_pol);
 749         if (!NT_STATUS_IS_OK(status)) {
 750                 goto done;
 751         }
 752
 753         E_md4hash(r->in.machine_password, md4_trust_password);
 754         encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
 755
 756         generate_random_buffer((uint8*)md5buffer, sizeof(md5buffer));
 757         digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
 758
 759         MD5Init(&md5ctx);
 760         MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
 761         MD5Update(&md5ctx, cli->user_session_key.data,
 762                   cli->user_session_key.length);
 763         MD5Final(digested_session_key.data, &md5ctx);
 764
 765         SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
 766         memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
 767
 768         acb_info |= ACB_PWNOEXP;
 769         if (r->out.domain_is_ad) {
 770 #if !defined(ENCTYPE_ARCFOUR_HMAC)
 771                 acb_info |= ACB_USE_DES_KEY_ONLY;
 772 #endif
 773                 ;;
 774         }
 775
 776         ZERO_STRUCT(ctr);
 777         ZERO_STRUCT(p25);
 778
 779         fields_present = ACCT_NT_PWD_SET | ACCT_LM_PWD_SET |
 780                          SAMR_FIELD_ACCT_FLAGS;
 781         init_sam_user_info25P(&p25, fields_present, acb_info, (char *)pwbuf);
 782
 783         ctr.switch_value = infolevel;
 784         ctr.info.id25    = &p25;
 785
 786         status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol,
 787                                            infolevel, &cli->user_session_key,
 788                                            &ctr);
 789         if (!NT_STATUS_IS_OK(status)) {
 790                 goto done;
 791         }
 792
 793         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 794         cli_rpc_pipe_close(pipe_hnd);
 795
 796         status = NT_STATUS_OK;
 797  done:
 798         if (cli) {
 799                 cli_shutdown(cli);
 800         }
 801
 802         return status;
 803 }
 804
 805 /****************************************************************
 806 ****************************************************************/
 807
 808 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
 809                                                     struct libnet_UnjoinCtx *r)
 810 {
 811         if (!secrets_delete_machine_password_ex(lp_workgroup())) {
 812                 return false;
 813         }
 814
 815         if (!secrets_delete_domain_sid(lp_workgroup())) {
 816                 return false;
 817         }
 818
 819         return true;
 820 }
 821
 822 /****************************************************************
 823 ****************************************************************/
 824
 825 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
 826                                              struct libnet_UnjoinCtx *r)
 827 {
 828         struct cli_state *cli = NULL;
 829         struct rpc_pipe_client *pipe_hnd = NULL;
 830         POLICY_HND sam_pol, domain_pol, user_pol;
 831         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 832         char *acct_name;
 833         uint32 user_rid;
 834         SAM_USERINFO_CTR ctr;
 835         SAM_USER_INFO_16 p16;
 836         struct lsa_String lsa_acct_name;
 837         struct samr_Ids user_rids;
 838         struct samr_Ids name_types;
 839         union samr_UserInfo *info = NULL;
 840
 841         status = cli_full_connection(&cli, NULL,
 842                                      r->in.dc_name,
 843                                      NULL, 0,
 844                                      "IPC$", "IPC",
 845                                      r->in.admin_account,
 846                                      NULL,
 847                                      r->in.admin_password,
 848                                      0, Undefined, NULL);
 849
 850         if (!NT_STATUS_IS_OK(status)) {
 851                 goto done;
 852         }
 853
 854         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
 855         if (!pipe_hnd) {
 856                 goto done;
 857         }
 858
 859         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 860                                       pipe_hnd->cli->desthost,
 861                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 862                                       &sam_pol);
 863         if (!NT_STATUS_IS_OK(status)) {
 864                 goto done;
 865         }
 866
 867         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
 868                                         &sam_pol,
 869                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
 870                                         r->in.domain_sid,
 871                                         &domain_pol);
 872         if (!NT_STATUS_IS_OK(status)) {
 873                 goto done;
 874         }
 875
 876         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 877         strlower_m(acct_name);
 878
 879         init_lsa_String(&lsa_acct_name, acct_name);
 880
 881         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
 882                                          &domain_pol,
 883                                          1,
 884                                          &lsa_acct_name,
 885                                          &user_rids,
 886                                          &name_types);
 887
 888         if (!NT_STATUS_IS_OK(status)) {
 889                 goto done;
 890         }
 891
 892         if (name_types.ids[0] != SID_NAME_USER) {
 893                 status = NT_STATUS_INVALID_WORKSTATION;
 894                 goto done;
 895         }
 896
 897         user_rid = user_rids.ids[0];
 898
 899         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 900                                       &domain_pol,
 901                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 902                                       user_rid,
 903                                       &user_pol);
 904         if (!NT_STATUS_IS_OK(status)) {
 905                 goto done;
 906         }
 907
 908         status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
 909                                            &user_pol,
 910                                            16,
 911                                            &info);
 912         if (!NT_STATUS_IS_OK(status)) {
 913                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 914                 goto done;
 915         }
 916
 917         ZERO_STRUCT(ctr);
 918         ctr.switch_value = 16;
 919         ctr.info.id16 = &p16;
 920
 921         p16.acb_info = info->info16.acct_flags | ACB_DISABLED;
 922
 923         status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
 924                                            &cli->user_session_key, &ctr);
 925
 926         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 927
 928 done:
 929         if (pipe_hnd) {
 930                 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
 931                 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
 932                 cli_rpc_pipe_close(pipe_hnd);
 933         }
 934
 935         if (cli) {
 936                 cli_shutdown(cli);
 937         }
 938
 939         return status;
 940 }
 941
 942 /****************************************************************
 943 ****************************************************************/
 944
 945 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
 946 {
 947         WERROR werr;
 948         struct libnet_conf_ctx *ctx;
 949
 950         werr = libnet_conf_open(r, &ctx);
 951         if (!W_ERROR_IS_OK(werr)) {
 952                 goto done;
 953         }
 954
 955         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
 956
 957                 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
 958                 if (!W_ERROR_IS_OK(werr)) {
 959                         goto done;
 960                 }
 961
 962                 werr = libnet_conf_set_global_parameter(ctx, "workgroup",
 963                                                         r->in.domain_name);
 964                 goto done;
 965         }
 966
 967         werr = libnet_conf_set_global_parameter(ctx, "security", "domain");
 968         if (!W_ERROR_IS_OK(werr)) {
 969                 goto done;
 970         }
 971
 972         werr = libnet_conf_set_global_parameter(ctx, "workgroup",
 973                                                 r->out.netbios_domain_name);
 974         if (!W_ERROR_IS_OK(werr)) {
 975                 goto done;
 976         }
 977
 978         if (r->out.domain_is_ad) {
 979                 werr = libnet_conf_set_global_parameter(ctx, "security", "ads");
 980                 if (!W_ERROR_IS_OK(werr)) {
 981                         goto done;
 982                 }
 983
 984                 werr = libnet_conf_set_global_parameter(ctx, "realm",
 985                                                         r->out.dns_domain_name);
 986         }
 987
 988 done:
 989         libnet_conf_close(ctx);
 990         return werr;
 991 }
 992
 993 /****************************************************************
 994 ****************************************************************/
 995
 996 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
 997 {
 998         WERROR werr = WERR_OK;
 999         struct libnet_conf_ctx *ctx;
1000
1001         werr = libnet_conf_open(r, &ctx);
1002         if (!W_ERROR_IS_OK(werr)) {
1003                 goto done;
1004         }
1005
1006         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1007
1008                 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
1009                 if (!W_ERROR_IS_OK(werr)) {
1010                         goto done;
1011                 }
1012         }
1013
1014         libnet_conf_delete_global_parameter(ctx, "realm");
1015
1016 done:
1017         libnet_conf_close(ctx);
1018         return werr;
1019 }
1020
1021 /****************************************************************
1022 ****************************************************************/
1023
1024 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1025 {
1026         WERROR werr;
1027
1028         if (!W_ERROR_IS_OK(r->out.result)) {
1029                 return r->out.result;
1030         }
1031
1032         if (!r->in.modify_config) {
1033                 return WERR_OK;
1034         }
1035
1036         werr = do_join_modify_vals_config(r);
1037         if (!W_ERROR_IS_OK(werr)) {
1038                 return werr;
1039         }
1040
1041         r->out.modified_config = true;
1042         r->out.result = werr;
1043
1044         return werr;
1045 }
1046
1047 /****************************************************************
1048 ****************************************************************/
1049
1050 static WERROR do_UnjoinConfig(struct libnet_UnjoinCtx *r)
1051 {
1052         WERROR werr;
1053
1054         if (!W_ERROR_IS_OK(r->out.result)) {
1055                 return r->out.result;
1056         }
1057
1058         if (!r->in.modify_config) {
1059                 return WERR_OK;
1060         }
1061
1062         werr = do_unjoin_modify_vals_config(r);
1063         if (!W_ERROR_IS_OK(werr)) {
1064                 return werr;
1065         }
1066
1067         r->out.modified_config = true;
1068         r->out.result = werr;
1069
1070         return werr;
1071 }
1072
1073 /****************************************************************
1074 ****************************************************************/
1075
1076 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1077                                          struct libnet_JoinCtx *r)
1078 {
1079
1080         if (!r->in.domain_name) {
1081                 return WERR_INVALID_PARAM;
1082         }
1083
1084         if (r->in.modify_config && !lp_config_backend_is_registry()) {
1085                 return WERR_NOT_SUPPORTED;
1086         }
1087
1088         if (IS_DC) {
1089                 return WERR_SETUP_DOMAIN_CONTROLLER;
1090         }
1091
1092         if (!secrets_init()) {
1093                 libnet_join_set_error_string(mem_ctx, r,
1094                         "Unable to open secrets database");
1095                 return WERR_CAN_NOT_COMPLETE;
1096         }
1097
1098         return WERR_OK;
1099 }
1100
1101 /****************************************************************
1102 ****************************************************************/
1103
1104 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1105                                           struct libnet_JoinCtx *r)
1106 {
1107         WERROR werr;
1108
1109         if (!W_ERROR_IS_OK(r->out.result)) {
1110                 return r->out.result;
1111         }
1112
1113         werr = do_JoinConfig(r);
1114         if (!W_ERROR_IS_OK(werr)) {
1115                 return werr;
1116         }
1117
1118         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1119                 saf_store(r->in.domain_name, r->in.dc_name);
1120         }
1121
1122         return WERR_OK;
1123 }
1124
1125 /****************************************************************
1126 ****************************************************************/
1127
1128 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1129 {
1130         if (r->in.ads) {
1131                 ads_destroy(&r->in.ads);
1132         }
1133
1134         return 0;
1135 }
1136
1137 /****************************************************************
1138 ****************************************************************/
1139
1140 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1141 {
1142         if (r->in.ads) {
1143                 ads_destroy(&r->in.ads);
1144         }
1145
1146         return 0;
1147 }
1148
1149 /****************************************************************
1150 ****************************************************************/
1151
1152 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1153                            struct libnet_JoinCtx **r)
1154 {
1155         struct libnet_JoinCtx *ctx;
1156
1157         ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1158         if (!ctx) {
1159                 return WERR_NOMEM;
1160         }
1161
1162         talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1163
1164         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1165         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1166
1167         *r = ctx;
1168
1169         return WERR_OK;
1170 }
1171
1172 /****************************************************************
1173 ****************************************************************/
1174
1175 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1176                              struct libnet_UnjoinCtx **r)
1177 {
1178         struct libnet_UnjoinCtx *ctx;
1179
1180         ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1181         if (!ctx) {
1182                 return WERR_NOMEM;
1183         }
1184
1185         talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1186
1187         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1188         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1189
1190         *r = ctx;
1191
1192         return WERR_OK;
1193 }
1194
1195 /****************************************************************
1196 ****************************************************************/
1197
1198 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1199                                 struct libnet_JoinCtx *r)
1200 {
1201         NTSTATUS status;
1202 #ifdef WITH_ADS
1203         ADS_STATUS ads_status;
1204 #endif /* WITH_ADS */
1205
1206         if (!r->in.dc_name) {
1207                 struct DS_DOMAIN_CONTROLLER_INFO *info;
1208                 status = dsgetdcname(mem_ctx,
1209                                      r->in.domain_name,
1210                                      NULL,
1211                                      NULL,
1212                                      DS_DIRECTORY_SERVICE_REQUIRED |
1213                                      DS_WRITABLE_REQUIRED |
1214                                      DS_RETURN_DNS_NAME,
1215                                      &info);
1216                 if (!NT_STATUS_IS_OK(status)) {
1217                         libnet_join_set_error_string(mem_ctx, r,
1218                                 "failed to find DC for domain %s",
1219                                 r->in.domain_name,
1220                                 get_friendly_nt_error_msg(status));
1221                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1222                 }
1223
1224                 r->in.dc_name = talloc_strdup(mem_ctx,
1225                                               info->domain_controller_name);
1226                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1227         }
1228
1229 #ifdef WITH_ADS
1230         if (r->in.account_ou) {
1231
1232                 ads_status = libnet_join_connect_ads(mem_ctx, r);
1233                 if (!ADS_ERR_OK(ads_status)) {
1234                         return WERR_DEFAULT_JOIN_REQUIRED;
1235                 }
1236
1237                 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1238                 if (!ADS_ERR_OK(ads_status)) {
1239                         libnet_join_set_error_string(mem_ctx, r,
1240                                 "failed to precreate account in ou %s: %s",
1241                                 r->in.account_ou,
1242                                 ads_errstr(ads_status));
1243                         return WERR_DEFAULT_JOIN_REQUIRED;
1244                 }
1245
1246                 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1247         }
1248 #endif /* WITH_ADS */
1249
1250         status = libnet_join_joindomain_rpc(mem_ctx, r);
1251         if (!NT_STATUS_IS_OK(status)) {
1252                 libnet_join_set_error_string(mem_ctx, r,
1253                         "failed to join domain over rpc: %s",
1254                         get_friendly_nt_error_msg(status));
1255                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1256                         return WERR_SETUP_ALREADY_JOINED;
1257                 }
1258                 return ntstatus_to_werror(status);
1259         }
1260
1261         if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1262                 return WERR_SETUP_NOT_JOINED;
1263         }
1264
1265 #ifdef WITH_ADS
1266         if (r->out.domain_is_ad) {
1267                 ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
1268                 if (!ADS_ERR_OK(ads_status)) {
1269                         return WERR_GENERAL_FAILURE;
1270                 }
1271         }
1272 #endif /* WITH_ADS */
1273
1274         return WERR_OK;
1275 }
1276
1277 /****************************************************************
1278 ****************************************************************/
1279
1280 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1281                    struct libnet_JoinCtx *r)
1282 {
1283         WERROR werr;
1284
1285         if (r->in.debug) {
1286                 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1287         }
1288
1289         werr = libnet_join_pre_processing(mem_ctx, r);
1290         if (!W_ERROR_IS_OK(werr)) {
1291                 goto done;
1292         }
1293
1294         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1295                 werr = libnet_DomainJoin(mem_ctx, r);
1296                 if (!W_ERROR_IS_OK(werr)) {
1297                         goto done;
1298                 }
1299         }
1300
1301         werr = libnet_join_post_processing(mem_ctx, r);
1302         if (!W_ERROR_IS_OK(werr)) {
1303                 goto done;
1304         }
1305  done:
1306         r->out.result = werr;
1307
1308         if (r->in.debug) {
1309                 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1310         }
1311         return werr;
1312 }
1313
1314 /****************************************************************
1315 ****************************************************************/
1316
1317 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1318                                   struct libnet_UnjoinCtx *r)
1319 {
1320         NTSTATUS status;
1321
1322         if (!r->in.domain_sid) {
1323                 struct dom_sid sid;
1324                 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1325                         libnet_unjoin_set_error_string(mem_ctx, r,
1326                                 "Unable to fetch domain sid: are we joined?");
1327                         return WERR_SETUP_NOT_JOINED;
1328                 }
1329                 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1330                 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1331         }
1332
1333         if (!r->in.dc_name) {
1334                 struct DS_DOMAIN_CONTROLLER_INFO *info;
1335                 status = dsgetdcname(mem_ctx,
1336                                      r->in.domain_name,
1337                                      NULL,
1338                                      NULL,
1339                                      DS_DIRECTORY_SERVICE_REQUIRED |
1340                                      DS_WRITABLE_REQUIRED |
1341                                      DS_RETURN_DNS_NAME,
1342                                      &info);
1343                 if (!NT_STATUS_IS_OK(status)) {
1344                         libnet_unjoin_set_error_string(mem_ctx, r,
1345                                 "failed to find DC for domain %s",
1346                                 r->in.domain_name,
1347                                 get_friendly_nt_error_msg(status));
1348                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1349                 }
1350
1351                 r->in.dc_name = talloc_strdup(mem_ctx,
1352                                               info->domain_controller_name);
1353                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1354         }
1355
1356         status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1357         if (!NT_STATUS_IS_OK(status)) {
1358                 libnet_unjoin_set_error_string(mem_ctx, r,
1359                         "failed to disable machine account via rpc: %s",
1360                         get_friendly_nt_error_msg(status));
1361                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1362                         return WERR_SETUP_NOT_JOINED;
1363                 }
1364                 return ntstatus_to_werror(status);
1365         }
1366
1367 #ifdef WITH_ADS
1368         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1369                 ADS_STATUS ads_status;
1370                 libnet_unjoin_connect_ads(mem_ctx, r);
1371                 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1372                 if (!ADS_ERR_OK(ads_status)) {
1373                         libnet_unjoin_set_error_string(mem_ctx, r,
1374                                 "failed to remove machine account from AD: %s",
1375                                 ads_errstr(ads_status));
1376                 }
1377         }
1378 #endif /* WITH_ADS */
1379
1380         libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1381
1382         return WERR_OK;
1383 }
1384
1385 /****************************************************************
1386 ****************************************************************/
1387
1388 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1389                                            struct libnet_UnjoinCtx *r)
1390 {
1391         if (r->in.modify_config && !lp_config_backend_is_registry()) {
1392                 return WERR_NOT_SUPPORTED;
1393         }
1394
1395         if (!secrets_init()) {
1396                 libnet_unjoin_set_error_string(mem_ctx, r,
1397                         "Unable to open secrets database");
1398                 return WERR_CAN_NOT_COMPLETE;
1399         }
1400
1401         return WERR_OK;
1402 }
1403
1404
1405 /****************************************************************
1406 ****************************************************************/
1407
1408 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1409                      struct libnet_UnjoinCtx *r)
1410 {
1411         WERROR werr;
1412
1413         if (r->in.debug) {
1414                 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1415         }
1416
1417         werr = libnet_unjoin_pre_processing(mem_ctx, r);
1418         if (!W_ERROR_IS_OK(werr)) {
1419                 goto done;
1420         }
1421
1422         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1423                 werr = libnet_DomainUnjoin(mem_ctx, r);
1424                 if (!W_ERROR_IS_OK(werr)) {
1425                         goto done;
1426                 }
1427         }
1428
1429         werr = do_UnjoinConfig(r);
1430         if (!W_ERROR_IS_OK(werr)) {
1431                 goto done;
1432         }
1433
1434  done:
1435         r->out.result = werr;
1436
1437         if (r->in.debug) {
1438                 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
1439         }
1440
1441         return werr;
1442 }