source3/libnet/libnet_join.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  libnet Join Support
   4  *  Copyright (C) Gerald (Jerry) Carter 2006
   5  *  Copyright (C) Guenther Deschner 2007-2008
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "includes.h"
  22 #include "libnet/libnet.h"
  23
  24 /****************************************************************
  25 ****************************************************************/
  26
  27 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
  28         do { \
  29                 char *str = NULL; \
  30                 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
  31                 DEBUG(1,("libnet_Join:\n%s", str)); \
  32                 TALLOC_FREE(str); \
  33         } while (0)
  34
  35 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
  36         LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
  37 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
  38         LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
  39
  40 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
  41         do { \
  42                 char *str = NULL; \
  43                 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
  44                 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
  45                 TALLOC_FREE(str); \
  46         } while (0)
  47
  48 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
  49         LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
  50 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
  51         LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
  52
  53 #define W_ERROR_NOT_OK_GOTO_DONE(x) do { \
  54         if (!W_ERROR_IS_OK(x)) {\
  55                 goto done;\
  56         }\
  57 } while (0)
  58
  59 /****************************************************************
  60 ****************************************************************/
  61
  62 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
  63                                          struct libnet_JoinCtx *r,
  64                                          const char *format, ...)
  65 {
  66         va_list args;
  67
  68         if (r->out.error_string) {
  69                 return;
  70         }
  71
  72         va_start(args, format);
  73         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  74         va_end(args);
  75 }
  76
  77 /****************************************************************
  78 ****************************************************************/
  79
  80 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
  81                                            struct libnet_UnjoinCtx *r,
  82                                            const char *format, ...)
  83 {
  84         va_list args;
  85
  86         if (r->out.error_string) {
  87                 return;
  88         }
  89
  90         va_start(args, format);
  91         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  92         va_end(args);
  93 }
  94
  95 #ifdef WITH_ADS
  96
  97 /****************************************************************
  98 ****************************************************************/
  99
 100 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
 101                                      const char *netbios_domain_name,
 102                                      const char *dc_name,
 103                                      const char *user_name,
 104                                      const char *password,
 105                                      ADS_STRUCT **ads)
 106 {
 107         ADS_STATUS status;
 108         ADS_STRUCT *my_ads = NULL;
 109
 110         my_ads = ads_init(dns_domain_name,
 111                           netbios_domain_name,
 112                           dc_name);
 113         if (!my_ads) {
 114                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 115         }
 116
 117         if (user_name) {
 118                 SAFE_FREE(my_ads->auth.user_name);
 119                 my_ads->auth.user_name = SMB_STRDUP(user_name);
 120         }
 121
 122         if (password) {
 123                 SAFE_FREE(my_ads->auth.password);
 124                 my_ads->auth.password = SMB_STRDUP(password);
 125         }
 126
 127         status = ads_connect_user_creds(my_ads);
 128         if (!ADS_ERR_OK(status)) {
 129                 ads_destroy(&my_ads);
 130                 return status;
 131         }
 132
 133         *ads = my_ads;
 134         return ADS_SUCCESS;
 135 }
 136
 137 /****************************************************************
 138 ****************************************************************/
 139
 140 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
 141                                           struct libnet_JoinCtx *r)
 142 {
 143         ADS_STATUS status;
 144
 145         status = libnet_connect_ads(r->out.dns_domain_name,
 146                                     r->out.netbios_domain_name,
 147                                     r->in.dc_name,
 148                                     r->in.admin_account,
 149                                     r->in.admin_password,
 150                                     &r->in.ads);
 151         if (!ADS_ERR_OK(status)) {
 152                 libnet_join_set_error_string(mem_ctx, r,
 153                         "failed to connect to AD: %s",
 154                         ads_errstr(status));
 155                 return status;
 156         }
 157
 158         if (!r->out.netbios_domain_name) {
 159                 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
 160                                                            r->in.ads->server.workgroup);
 161                 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
 162         }
 163
 164         if (!r->out.dns_domain_name) {
 165                 r->out.dns_domain_name = talloc_strdup(mem_ctx,
 166                                                        r->in.ads->config.realm);
 167                 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
 168         }
 169
 170         r->out.domain_is_ad = true;
 171
 172         return ADS_SUCCESS;
 173 }
 174
 175 /****************************************************************
 176 ****************************************************************/
 177
 178 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
 179                                             struct libnet_UnjoinCtx *r)
 180 {
 181         ADS_STATUS status;
 182
 183         status = libnet_connect_ads(r->in.domain_name,
 184                                     r->in.domain_name,
 185                                     r->in.dc_name,
 186                                     r->in.admin_account,
 187                                     r->in.admin_password,
 188                                     &r->in.ads);
 189         if (!ADS_ERR_OK(status)) {
 190                 libnet_unjoin_set_error_string(mem_ctx, r,
 191                         "failed to connect to AD: %s",
 192                         ads_errstr(status));
 193         }
 194
 195         return status;
 196 }
 197
 198 /****************************************************************
 199  join a domain using ADS (LDAP mods)
 200 ****************************************************************/
 201
 202 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
 203                                                      struct libnet_JoinCtx *r)
 204 {
 205         ADS_STATUS status;
 206         LDAPMessage *res = NULL;
 207         const char *attrs[] = { "dn", NULL };
 208         bool moved = false;
 209
 210         status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
 211         if (!ADS_ERR_OK(status)) {
 212                 return status;
 213         }
 214
 215         status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
 216         if (!ADS_ERR_OK(status)) {
 217                 return status;
 218         }
 219
 220         if (ads_count_replies(r->in.ads, res) != 1) {
 221                 ads_msgfree(r->in.ads, res);
 222                 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
 223         }
 224
 225         ads_msgfree(r->in.ads, res);
 226
 227         /* Attempt to create the machine account and bail if this fails.
 228            Assume that the admin wants exactly what they requested */
 229
 230         status = ads_create_machine_acct(r->in.ads,
 231                                          r->in.machine_name,
 232                                          r->in.account_ou);
 233
 234         if (ADS_ERR_OK(status)) {
 235                 DEBUG(1,("machine account creation created\n"));
 236                 return status;
 237         } else  if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
 238                     (status.err.rc == LDAP_ALREADY_EXISTS)) {
 239                 status = ADS_SUCCESS;
 240         }
 241
 242         if (!ADS_ERR_OK(status)) {
 243                 DEBUG(1,("machine account creation failed\n"));
 244                 return status;
 245         }
 246
 247         status = ads_move_machine_acct(r->in.ads,
 248                                        r->in.machine_name,
 249                                        r->in.account_ou,
 250                                        &moved);
 251         if (!ADS_ERR_OK(status)) {
 252                 DEBUG(1,("failure to locate/move pre-existing "
 253                         "machine account\n"));
 254                 return status;
 255         }
 256
 257         DEBUG(1,("The machine account %s the specified OU.\n",
 258                 moved ? "was moved into" : "already exists in"));
 259
 260         return status;
 261 }
 262
 263 /****************************************************************
 264 ****************************************************************/
 265
 266 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
 267                                                     struct libnet_UnjoinCtx *r)
 268 {
 269         ADS_STATUS status;
 270
 271         if (!r->in.ads) {
 272                 return libnet_unjoin_connect_ads(mem_ctx, r);
 273         }
 274
 275         status = ads_leave_realm(r->in.ads, r->in.machine_name);
 276         if (!ADS_ERR_OK(status)) {
 277                 libnet_unjoin_set_error_string(mem_ctx, r,
 278                         "failed to leave realm: %s",
 279                         ads_errstr(status));
 280                 return status;
 281         }
 282
 283         return ADS_SUCCESS;
 284 }
 285
 286 /****************************************************************
 287 ****************************************************************/
 288
 289 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
 290                                                 struct libnet_JoinCtx *r)
 291 {
 292         ADS_STATUS status;
 293         LDAPMessage *res = NULL;
 294         char *dn = NULL;
 295
 296         if (!r->in.machine_name) {
 297                 return ADS_ERROR(LDAP_NO_MEMORY);
 298         }
 299
 300         status = ads_find_machine_acct(r->in.ads,
 301                                        &res,
 302                                        r->in.machine_name);
 303         if (!ADS_ERR_OK(status)) {
 304                 return status;
 305         }
 306
 307         if (ads_count_replies(r->in.ads, res) != 1) {
 308                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 309                 goto done;
 310         }
 311
 312         dn = ads_get_dn(r->in.ads, res);
 313         if (!dn) {
 314                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 315                 goto done;
 316         }
 317
 318         r->out.dn = talloc_strdup(mem_ctx, dn);
 319         if (!r->out.dn) {
 320                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 321                 goto done;
 322         }
 323
 324  done:
 325         ads_msgfree(r->in.ads, res);
 326         ads_memfree(r->in.ads, dn);
 327
 328         return status;
 329 }
 330
 331 /****************************************************************
 332  Set a machines dNSHostName and servicePrincipalName attributes
 333 ****************************************************************/
 334
 335 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
 336                                               struct libnet_JoinCtx *r)
 337 {
 338         ADS_STATUS status;
 339         ADS_MODLIST mods;
 340         fstring my_fqdn;
 341         const char *spn_array[3] = {NULL, NULL, NULL};
 342         char *spn = NULL;
 343
 344         /* Find our DN */
 345
 346         status = libnet_join_find_machine_acct(mem_ctx, r);
 347         if (!ADS_ERR_OK(status)) {
 348                 return status;
 349         }
 350
 351         /* Windows only creates HOST/shortname & HOST/fqdn. */
 352
 353         spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
 354         if (!spn) {
 355                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 356         }
 357         strupper_m(spn);
 358         spn_array[0] = spn;
 359
 360         if (!name_to_fqdn(my_fqdn, r->in.machine_name)
 361             || (strchr(my_fqdn, '.') == NULL)) {
 362                 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
 363                              r->out.dns_domain_name);
 364         }
 365
 366         strlower_m(my_fqdn);
 367
 368         if (!strequal(my_fqdn, r->in.machine_name)) {
 369                 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
 370                 if (!spn) {
 371                         return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 372                 }
 373                 spn_array[1] = spn;
 374         }
 375
 376         mods = ads_init_mods(mem_ctx);
 377         if (!mods) {
 378                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 379         }
 380
 381         /* fields of primary importance */
 382
 383         status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
 384         if (!ADS_ERR_OK(status)) {
 385                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 386         }
 387
 388         status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
 389                                  spn_array);
 390         if (!ADS_ERR_OK(status)) {
 391                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 392         }
 393
 394         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 395 }
 396
 397 /****************************************************************
 398 ****************************************************************/
 399
 400 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
 401                                               struct libnet_JoinCtx *r)
 402 {
 403         ADS_STATUS status;
 404         ADS_MODLIST mods;
 405
 406         if (!r->in.create_upn) {
 407                 return ADS_SUCCESS;
 408         }
 409
 410         /* Find our DN */
 411
 412         status = libnet_join_find_machine_acct(mem_ctx, r);
 413         if (!ADS_ERR_OK(status)) {
 414                 return status;
 415         }
 416
 417         if (!r->in.upn) {
 418                 r->in.upn = talloc_asprintf(mem_ctx,
 419                                             "host/%s@%s",
 420                                             r->in.machine_name,
 421                                             r->out.dns_domain_name);
 422                 if (!r->in.upn) {
 423                         return ADS_ERROR(LDAP_NO_MEMORY);
 424                 }
 425         }
 426
 427         /* now do the mods */
 428
 429         mods = ads_init_mods(mem_ctx);
 430         if (!mods) {
 431                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 432         }
 433
 434         /* fields of primary importance */
 435
 436         status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
 437         if (!ADS_ERR_OK(status)) {
 438                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 439         }
 440
 441         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 442 }
 443
 444
 445 /****************************************************************
 446 ****************************************************************/
 447
 448 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
 449                                                 struct libnet_JoinCtx *r)
 450 {
 451         ADS_STATUS status;
 452         ADS_MODLIST mods;
 453         char *os_sp = NULL;
 454
 455         if (!r->in.os_name || !r->in.os_version ) {
 456                 return ADS_SUCCESS;
 457         }
 458
 459         /* Find our DN */
 460
 461         status = libnet_join_find_machine_acct(mem_ctx, r);
 462         if (!ADS_ERR_OK(status)) {
 463                 return status;
 464         }
 465
 466         /* now do the mods */
 467
 468         mods = ads_init_mods(mem_ctx);
 469         if (!mods) {
 470                 return ADS_ERROR(LDAP_NO_MEMORY);
 471         }
 472
 473         os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
 474         if (!os_sp) {
 475                 return ADS_ERROR(LDAP_NO_MEMORY);
 476         }
 477
 478         /* fields of primary importance */
 479
 480         status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
 481                              r->in.os_name);
 482         if (!ADS_ERR_OK(status)) {
 483                 return status;
 484         }
 485
 486         status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
 487                              r->in.os_version);
 488         if (!ADS_ERR_OK(status)) {
 489                 return status;
 490         }
 491
 492         status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
 493                              os_sp);
 494         if (!ADS_ERR_OK(status)) {
 495                 return status;
 496         }
 497
 498         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 499 }
 500
 501 /****************************************************************
 502 ****************************************************************/
 503
 504 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
 505                                       struct libnet_JoinCtx *r)
 506 {
 507         if (!lp_use_kerberos_keytab()) {
 508                 return true;
 509         }
 510
 511         if (ads_keytab_create_default(r->in.ads) != 0) {
 512                 return false;
 513         }
 514
 515         return true;
 516 }
 517
 518 /****************************************************************
 519 ****************************************************************/
 520
 521 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
 522                                                  struct libnet_JoinCtx *r)
 523 {
 524         uint32_t domain_func;
 525         ADS_STATUS status;
 526         const char *salt = NULL;
 527         char *std_salt = NULL;
 528
 529         status = ads_domain_func_level(r->in.ads, &domain_func);
 530         if (!ADS_ERR_OK(status)) {
 531                 libnet_join_set_error_string(mem_ctx, r,
 532                         "failed to determine domain functional level: %s",
 533                         ads_errstr(status));
 534                 return false;
 535         }
 536
 537         /* go ahead and setup the default salt */
 538
 539         std_salt = kerberos_standard_des_salt();
 540         if (!std_salt) {
 541                 libnet_join_set_error_string(mem_ctx, r,
 542                         "failed to obtain standard DES salt");
 543                 return false;
 544         }
 545
 546         salt = talloc_strdup(mem_ctx, std_salt);
 547         if (!salt) {
 548                 return false;
 549         }
 550
 551         SAFE_FREE(std_salt);
 552
 553         /* if it's a Windows functional domain, we have to look for the UPN */
 554
 555         if (domain_func == DS_DOMAIN_FUNCTION_2000) {
 556                 char *upn;
 557
 558                 upn = ads_get_upn(r->in.ads, mem_ctx,
 559                                   r->in.machine_name);
 560                 if (upn) {
 561                         salt = talloc_strdup(mem_ctx, upn);
 562                         if (!salt) {
 563                                 return false;
 564                         }
 565                 }
 566         }
 567
 568         return kerberos_secrets_store_des_salt(salt);
 569 }
 570
 571 /****************************************************************
 572 ****************************************************************/
 573
 574 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
 575                                                   struct libnet_JoinCtx *r)
 576 {
 577         ADS_STATUS status;
 578
 579         if (!r->in.ads) {
 580                 status = libnet_join_connect_ads(mem_ctx, r);
 581                 if (!ADS_ERR_OK(status)) {
 582                         return status;
 583                 }
 584         }
 585
 586         status = libnet_join_set_machine_spn(mem_ctx, r);
 587         if (!ADS_ERR_OK(status)) {
 588                 libnet_join_set_error_string(mem_ctx, r,
 589                         "failed to set machine spn: %s",
 590                         ads_errstr(status));
 591                 return status;
 592         }
 593
 594         status = libnet_join_set_os_attributes(mem_ctx, r);
 595         if (!ADS_ERR_OK(status)) {
 596                 libnet_join_set_error_string(mem_ctx, r,
 597                         "failed to set machine os attributes: %s",
 598                         ads_errstr(status));
 599                 return status;
 600         }
 601
 602         status = libnet_join_set_machine_upn(mem_ctx, r);
 603         if (!ADS_ERR_OK(status)) {
 604                 libnet_join_set_error_string(mem_ctx, r,
 605                         "failed to set machine upn: %s",
 606                         ads_errstr(status));
 607                 return status;
 608         }
 609
 610         if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
 611                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 612         }
 613
 614         if (!libnet_join_create_keytab(mem_ctx, r)) {
 615                 libnet_join_set_error_string(mem_ctx, r,
 616                         "failed to create kerberos keytab");
 617                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 618         }
 619
 620         return ADS_SUCCESS;
 621 }
 622 #endif /* WITH_ADS */
 623
 624 /****************************************************************
 625  Store the machine password and domain SID
 626 ****************************************************************/
 627
 628 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
 629                                                  struct libnet_JoinCtx *r)
 630 {
 631         if (!secrets_store_domain_sid(r->out.netbios_domain_name,
 632                                       r->out.domain_sid))
 633         {
 634                 DEBUG(1,("Failed to save domain sid\n"));
 635                 return false;
 636         }
 637
 638         if (!secrets_store_machine_password(r->in.machine_password,
 639                                             r->out.netbios_domain_name,
 640                                             r->in.secure_channel_type))
 641         {
 642                 DEBUG(1,("Failed to save machine password\n"));
 643                 return false;
 644         }
 645
 646         return true;
 647 }
 648
 649 /****************************************************************
 650  Connect dc's IPC$ share
 651 ****************************************************************/
 652
 653 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
 654                                            const char *user,
 655                                            const char *pass,
 656                                            bool use_kerberos,
 657                                            struct cli_state **cli)
 658 {
 659         int flags = 0;
 660
 661         if (use_kerberos) {
 662                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
 663         }
 664
 665         if (use_kerberos && pass) {
 666                 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 667         }
 668
 669         return cli_full_connection(cli, NULL,
 670                                    dc,
 671                                    NULL, 0,
 672                                    "IPC$", "IPC",
 673                                    user,
 674                                    NULL,
 675                                    pass,
 676                                    flags,
 677                                    Undefined, NULL);
 678 }
 679
 680 /****************************************************************
 681  Lookup domain dc's info
 682 ****************************************************************/
 683
 684 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
 685                                           struct libnet_JoinCtx *r,
 686                                           struct cli_state **cli)
 687 {
 688         struct rpc_pipe_client *pipe_hnd = NULL;
 689         POLICY_HND lsa_pol;
 690         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 691         union lsa_PolicyInformation *info = NULL;
 692
 693         status = libnet_join_connect_dc_ipc(r->in.dc_name,
 694                                             r->in.admin_account,
 695                                             r->in.admin_password,
 696                                             r->in.use_kerberos,
 697                                             cli);
 698         if (!NT_STATUS_IS_OK(status)) {
 699                 goto done;
 700         }
 701
 702         status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
 703                                           &pipe_hnd);
 704         if (!NT_STATUS_IS_OK(status)) {
 705                 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
 706                         nt_errstr(status)));
 707                 goto done;
 708         }
 709
 710         status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
 711                                         SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
 712         if (!NT_STATUS_IS_OK(status)) {
 713                 goto done;
 714         }
 715
 716         status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
 717                                              &lsa_pol,
 718                                              LSA_POLICY_INFO_DNS,
 719                                              &info);
 720         if (NT_STATUS_IS_OK(status)) {
 721                 r->out.domain_is_ad = true;
 722                 r->out.netbios_domain_name = info->dns.name.string;
 723                 r->out.dns_domain_name = info->dns.dns_domain.string;
 724                 r->out.forest_name = info->dns.dns_forest.string;
 725                 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
 726                 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
 727         }
 728
 729         if (!NT_STATUS_IS_OK(status)) {
 730                 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
 731                                                     &lsa_pol,
 732                                                     LSA_POLICY_INFO_ACCOUNT_DOMAIN,
 733                                                     &info);
 734                 if (!NT_STATUS_IS_OK(status)) {
 735                         goto done;
 736                 }
 737
 738                 r->out.netbios_domain_name = info->account_domain.name.string;
 739                 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
 740                 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
 741         }
 742
 743         rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
 744         TALLOC_FREE(pipe_hnd);
 745
 746  done:
 747         return status;
 748 }
 749
 750 /****************************************************************
 751  Do the domain join
 752 ****************************************************************/
 753
 754 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 755                                            struct libnet_JoinCtx *r,
 756                                            struct cli_state *cli)
 757 {
 758         struct rpc_pipe_client *pipe_hnd = NULL;
 759         POLICY_HND sam_pol, domain_pol, user_pol;
 760         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 761         char *acct_name;
 762         struct lsa_String lsa_acct_name;
 763         uint32_t user_rid;
 764         uint32_t acct_flags = ACB_WSTRUST;
 765         struct samr_Ids user_rids;
 766         struct samr_Ids name_types;
 767         union samr_UserInfo user_info;
 768
 769         struct samr_CryptPassword crypt_pwd;
 770         struct samr_CryptPasswordEx crypt_pwd_ex;
 771
 772         ZERO_STRUCT(sam_pol);
 773         ZERO_STRUCT(domain_pol);
 774         ZERO_STRUCT(user_pol);
 775
 776         if (!r->in.machine_password) {
 777                 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
 778                 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
 779         }
 780
 781         /* Open the domain */
 782
 783         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
 784                                           &pipe_hnd);
 785         if (!NT_STATUS_IS_OK(status)) {
 786                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
 787                         nt_errstr(status)));
 788                 goto done;
 789         }
 790
 791         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
 792                                       pipe_hnd->desthost,
 793                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 794                                       &sam_pol);
 795         if (!NT_STATUS_IS_OK(status)) {
 796                 goto done;
 797         }
 798
 799         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
 800                                         &sam_pol,
 801                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
 802                                         r->out.domain_sid,
 803                                         &domain_pol);
 804         if (!NT_STATUS_IS_OK(status)) {
 805                 goto done;
 806         }
 807
 808         /* Create domain user */
 809
 810         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 811         strlower_m(acct_name);
 812
 813         init_lsa_String(&lsa_acct_name, acct_name);
 814
 815         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
 816                 uint32_t access_desired =
 817                         SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
 818                         SEC_STD_WRITE_DAC | SEC_STD_DELETE |
 819                         SAMR_USER_ACCESS_SET_PASSWORD |
 820                         SAMR_USER_ACCESS_GET_ATTRIBUTES |
 821                         SAMR_USER_ACCESS_SET_ATTRIBUTES;
 822                 uint32_t access_granted = 0;
 823
 824                 /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
 825
 826                 DEBUG(10,("Creating account with desired access mask: %d\n",
 827                         access_desired));
 828
 829                 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
 830                                                  &domain_pol,
 831                                                  &lsa_acct_name,
 832                                                  ACB_WSTRUST,
 833                                                  access_desired,
 834                                                  &user_pol,
 835                                                  &access_granted,
 836                                                  &user_rid);
 837                 if (!NT_STATUS_IS_OK(status) &&
 838                     !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 839
 840                         DEBUG(10,("Creation of workstation account failed: %s\n",
 841                                 nt_errstr(status)));
 842
 843                         /* If NT_STATUS_ACCESS_DENIED then we have a valid
 844                            username/password combo but the user does not have
 845                            administrator access. */
 846
 847                         if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
 848                                 libnet_join_set_error_string(mem_ctx, r,
 849                                         "User specified does not have "
 850                                         "administrator privileges");
 851                         }
 852
 853                         goto done;
 854                 }
 855
 856                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 857                         if (!(r->in.join_flags &
 858                               WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
 859                                 goto done;
 860                         }
 861                 }
 862
 863                 /* We *must* do this.... don't ask... */
 864
 865                 if (NT_STATUS_IS_OK(status)) {
 866                         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 867                 }
 868         }
 869
 870         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
 871                                          &domain_pol,
 872                                          1,
 873                                          &lsa_acct_name,
 874                                          &user_rids,
 875                                          &name_types);
 876         if (!NT_STATUS_IS_OK(status)) {
 877                 goto done;
 878         }
 879
 880         if (name_types.ids[0] != SID_NAME_USER) {
 881                 DEBUG(0,("%s is not a user account (type=%d)\n",
 882                         acct_name, name_types.ids[0]));
 883                 status = NT_STATUS_INVALID_WORKSTATION;
 884                 goto done;
 885         }
 886
 887         user_rid = user_rids.ids[0];
 888
 889         /* Open handle on user */
 890
 891         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
 892                                       &domain_pol,
 893                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
 894                                       user_rid,
 895                                       &user_pol);
 896         if (!NT_STATUS_IS_OK(status)) {
 897                 goto done;
 898         }
 899
 900         /* Fill in the additional account flags now */
 901
 902         acct_flags |= ACB_PWNOEXP;
 903         if (r->out.domain_is_ad) {
 904 #if !defined(ENCTYPE_ARCFOUR_HMAC)
 905                 acct_flags |= ACB_USE_DES_KEY_ONLY;
 906 #endif
 907                 ;;
 908         }
 909
 910         /* Set account flags on machine account */
 911         ZERO_STRUCT(user_info.info16);
 912         user_info.info16.acct_flags = acct_flags;
 913
 914         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
 915                                          &user_pol,
 916                                          16,
 917                                          &user_info);
 918
 919         if (!NT_STATUS_IS_OK(status)) {
 920
 921                 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
 922                                        &user_pol);
 923
 924                 libnet_join_set_error_string(mem_ctx, r,
 925                         "Failed to set account flags for machine account (%s)\n",
 926                         nt_errstr(status));
 927                 goto done;
 928         }
 929
 930         /* Set password on machine account - first try level 26 */
 931
 932         init_samr_CryptPasswordEx(r->in.machine_password,
 933                                   &cli->user_session_key,
 934                                   &crypt_pwd_ex);
 935
 936         init_samr_user_info26(&user_info.info26, &crypt_pwd_ex,
 937                               PASS_DONT_CHANGE_AT_NEXT_LOGON);
 938
 939         status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
 940                                           &user_pol,
 941                                           26,
 942                                           &user_info);
 943
 944         if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
 945
 946                 /* retry with level 24 */
 947
 948                 init_samr_CryptPassword(r->in.machine_password,
 949                                         &cli->user_session_key,
 950                                         &crypt_pwd);
 951
 952                 init_samr_user_info24(&user_info.info24, &crypt_pwd,
 953                                       PASS_DONT_CHANGE_AT_NEXT_LOGON);
 954
 955                 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
 956                                                   &user_pol,
 957                                                   24,
 958                                                   &user_info);
 959         }
 960
 961         if (!NT_STATUS_IS_OK(status)) {
 962
 963                 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
 964                                        &user_pol);
 965
 966                 libnet_join_set_error_string(mem_ctx, r,
 967                         "Failed to set password for machine account (%s)\n",
 968                         nt_errstr(status));
 969                 goto done;
 970         }
 971
 972         status = NT_STATUS_OK;
 973
 974  done:
 975         if (!pipe_hnd) {
 976                 return status;
 977         }
 978
 979         if (is_valid_policy_hnd(&sam_pol)) {
 980                 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
 981         }
 982         if (is_valid_policy_hnd(&domain_pol)) {
 983                 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
 984         }
 985         if (is_valid_policy_hnd(&user_pol)) {
 986                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
 987         }
 988         TALLOC_FREE(pipe_hnd);
 989
 990         return status;
 991 }
 992
 993 /****************************************************************
 994 ****************************************************************/
 995
 996 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
 997                         const char *machine_name,
 998                         const char *dc_name)
 999 {
1000         uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1001         struct cli_state *cli = NULL;
1002         struct rpc_pipe_client *pipe_hnd = NULL;
1003         struct rpc_pipe_client *netlogon_pipe = NULL;
1004         NTSTATUS status;
1005         char *machine_password = NULL;
1006         char *machine_account = NULL;
1007
1008         if (!dc_name) {
1009                 return NT_STATUS_INVALID_PARAMETER;
1010         }
1011
1012         if (!secrets_init()) {
1013                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1014         }
1015
1016         machine_password = secrets_fetch_machine_password(netbios_domain_name,
1017                                                           NULL, NULL);
1018         if (!machine_password) {
1019                 return NT_STATUS_NO_TRUST_LSA_SECRET;
1020         }
1021
1022         asprintf(&machine_account, "%s$", machine_name);
1023         if (!machine_account) {
1024                 SAFE_FREE(machine_password);
1025                 return NT_STATUS_NO_MEMORY;
1026         }
1027
1028         status = cli_full_connection(&cli, NULL,
1029                                      dc_name,
1030                                      NULL, 0,
1031                                      "IPC$", "IPC",
1032                                      machine_account,
1033                                      NULL,
1034                                      machine_password,
1035                                      0,
1036                                      Undefined, NULL);
1037         free(machine_account);
1038         free(machine_password);
1039
1040         if (!NT_STATUS_IS_OK(status)) {
1041                 status = cli_full_connection(&cli, NULL,
1042                                              dc_name,
1043                                              NULL, 0,
1044                                              "IPC$", "IPC",
1045                                              "",
1046                                              NULL,
1047                                              "",
1048                                              0,
1049                                              Undefined, NULL);
1050         }
1051
1052         if (!NT_STATUS_IS_OK(status)) {
1053                 return status;
1054         }
1055
1056         status = get_schannel_session_key(cli, netbios_domain_name,
1057                                           &neg_flags, &netlogon_pipe);
1058         if (!NT_STATUS_IS_OK(status)) {
1059                 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1060                         cli_shutdown(cli);
1061                         return NT_STATUS_OK;
1062                 }
1063
1064                 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1065                         "key from server %s for domain %s. Error was %s\n",
1066                 cli->desthost, netbios_domain_name, nt_errstr(status)));
1067                 cli_shutdown(cli);
1068                 return status;
1069         }
1070
1071         if (!lp_client_schannel()) {
1072                 cli_shutdown(cli);
1073                 return NT_STATUS_OK;
1074         }
1075
1076         status = cli_rpc_pipe_open_schannel_with_key(
1077                 cli, &ndr_table_netlogon.syntax_id, PIPE_AUTH_LEVEL_PRIVACY,
1078                 netbios_domain_name, netlogon_pipe->dc, &pipe_hnd);
1079
1080         cli_shutdown(cli);
1081
1082         if (!NT_STATUS_IS_OK(status)) {
1083                 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1084                         "on netlogon pipe to server %s for domain %s. "
1085                         "Error was %s\n",
1086                         cli->desthost, netbios_domain_name, nt_errstr(status)));
1087                 return status;
1088         }
1089
1090         return NT_STATUS_OK;
1091 }
1092
1093 /****************************************************************
1094 ****************************************************************/
1095
1096 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1097                                       struct libnet_JoinCtx *r)
1098 {
1099         NTSTATUS status;
1100
1101         status = libnet_join_ok(r->out.netbios_domain_name,
1102                                 r->in.machine_name,
1103                                 r->in.dc_name);
1104         if (!NT_STATUS_IS_OK(status)) {
1105                 libnet_join_set_error_string(mem_ctx, r,
1106                         "failed to verify domain membership after joining: %s",
1107                         get_friendly_nt_error_msg(status));
1108                 return WERR_SETUP_NOT_JOINED;
1109         }
1110
1111         return WERR_OK;
1112 }
1113
1114 /****************************************************************
1115 ****************************************************************/
1116
1117 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1118                                                     struct libnet_UnjoinCtx *r)
1119 {
1120         if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1121                 return false;
1122         }
1123
1124         if (!secrets_delete_domain_sid(lp_workgroup())) {
1125                 return false;
1126         }
1127
1128         return true;
1129 }
1130
1131 /****************************************************************
1132 ****************************************************************/
1133
1134 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1135                                              struct libnet_UnjoinCtx *r)
1136 {
1137         struct cli_state *cli = NULL;
1138         struct rpc_pipe_client *pipe_hnd = NULL;
1139         POLICY_HND sam_pol, domain_pol, user_pol;
1140         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1141         char *acct_name;
1142         uint32_t user_rid;
1143         struct lsa_String lsa_acct_name;
1144         struct samr_Ids user_rids;
1145         struct samr_Ids name_types;
1146         union samr_UserInfo *info = NULL;
1147
1148         ZERO_STRUCT(sam_pol);
1149         ZERO_STRUCT(domain_pol);
1150         ZERO_STRUCT(user_pol);
1151
1152         status = libnet_join_connect_dc_ipc(r->in.dc_name,
1153                                             r->in.admin_account,
1154                                             r->in.admin_password,
1155                                             r->in.use_kerberos,
1156                                             &cli);
1157         if (!NT_STATUS_IS_OK(status)) {
1158                 goto done;
1159         }
1160
1161         /* Open the domain */
1162
1163         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1164                                           &pipe_hnd);
1165         if (!NT_STATUS_IS_OK(status)) {
1166                 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1167                         nt_errstr(status)));
1168                 goto done;
1169         }
1170
1171         status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1172                                       pipe_hnd->desthost,
1173                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1174                                       &sam_pol);
1175         if (!NT_STATUS_IS_OK(status)) {
1176                 goto done;
1177         }
1178
1179         status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1180                                         &sam_pol,
1181                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
1182                                         r->in.domain_sid,
1183                                         &domain_pol);
1184         if (!NT_STATUS_IS_OK(status)) {
1185                 goto done;
1186         }
1187
1188         /* Create domain user */
1189
1190         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1191         strlower_m(acct_name);
1192
1193         init_lsa_String(&lsa_acct_name, acct_name);
1194
1195         status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1196                                          &domain_pol,
1197                                          1,
1198                                          &lsa_acct_name,
1199                                          &user_rids,
1200                                          &name_types);
1201
1202         if (!NT_STATUS_IS_OK(status)) {
1203                 goto done;
1204         }
1205
1206         if (name_types.ids[0] != SID_NAME_USER) {
1207                 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1208                         name_types.ids[0]));
1209                 status = NT_STATUS_INVALID_WORKSTATION;
1210                 goto done;
1211         }
1212
1213         user_rid = user_rids.ids[0];
1214
1215         /* Open handle on user */
1216
1217         status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1218                                       &domain_pol,
1219                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
1220                                       user_rid,
1221                                       &user_pol);
1222         if (!NT_STATUS_IS_OK(status)) {
1223                 goto done;
1224         }
1225
1226         /* Get user info */
1227
1228         status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1229                                            &user_pol,
1230                                            16,
1231                                            &info);
1232         if (!NT_STATUS_IS_OK(status)) {
1233                 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1234                 goto done;
1235         }
1236
1237         /* now disable and setuser info */
1238
1239         info->info16.acct_flags |= ACB_DISABLED;
1240
1241         status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1242                                          &user_pol,
1243                                          16,
1244                                          info);
1245
1246         rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1247
1248 done:
1249         if (pipe_hnd) {
1250                 if (is_valid_policy_hnd(&domain_pol)) {
1251                         rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1252                 }
1253                 if (is_valid_policy_hnd(&sam_pol)) {
1254                         rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1255                 }
1256                 TALLOC_FREE(pipe_hnd);
1257         }
1258
1259         if (cli) {
1260                 cli_shutdown(cli);
1261         }
1262
1263         return status;
1264 }
1265
1266 /****************************************************************
1267 ****************************************************************/
1268
1269 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1270 {
1271         WERROR werr;
1272         struct smbconf_ctx *ctx;
1273
1274         werr = smbconf_init_reg(r, &ctx, NULL);
1275         if (!W_ERROR_IS_OK(werr)) {
1276                 goto done;
1277         }
1278
1279         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1280
1281                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1282                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1283
1284                 werr = smbconf_set_global_parameter(ctx, "workgroup",
1285                                                     r->in.domain_name);
1286
1287                 smbconf_delete_global_parameter(ctx, "realm");
1288                 goto done;
1289         }
1290
1291         werr = smbconf_set_global_parameter(ctx, "security", "domain");
1292         W_ERROR_NOT_OK_GOTO_DONE(werr);
1293
1294         werr = smbconf_set_global_parameter(ctx, "workgroup",
1295                                             r->out.netbios_domain_name);
1296         W_ERROR_NOT_OK_GOTO_DONE(werr);
1297
1298         if (r->out.domain_is_ad) {
1299                 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1300                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1301
1302                 werr = smbconf_set_global_parameter(ctx, "realm",
1303                                                     r->out.dns_domain_name);
1304                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1305         }
1306
1307  done:
1308         smbconf_shutdown(ctx);
1309         return werr;
1310 }
1311
1312 /****************************************************************
1313 ****************************************************************/
1314
1315 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1316 {
1317         WERROR werr = WERR_OK;
1318         struct smbconf_ctx *ctx;
1319
1320         werr = smbconf_init_reg(r, &ctx, NULL);
1321         if (!W_ERROR_IS_OK(werr)) {
1322                 goto done;
1323         }
1324
1325         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1326
1327                 werr = smbconf_set_global_parameter(ctx, "security", "user");
1328                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1329
1330                 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1331                 W_ERROR_NOT_OK_GOTO_DONE(werr);
1332
1333                 smbconf_delete_global_parameter(ctx, "realm");
1334         }
1335
1336  done:
1337         smbconf_shutdown(ctx);
1338         return werr;
1339 }
1340
1341 /****************************************************************
1342 ****************************************************************/
1343
1344 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1345 {
1346         WERROR werr;
1347
1348         if (!W_ERROR_IS_OK(r->out.result)) {
1349                 return r->out.result;
1350         }
1351
1352         if (!r->in.modify_config) {
1353                 return WERR_OK;
1354         }
1355
1356         werr = do_join_modify_vals_config(r);
1357         if (!W_ERROR_IS_OK(werr)) {
1358                 return werr;
1359         }
1360
1361         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1362
1363         r->out.modified_config = true;
1364         r->out.result = werr;
1365
1366         return werr;
1367 }
1368
1369 /****************************************************************
1370 ****************************************************************/
1371
1372 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1373 {
1374         WERROR werr;
1375
1376         if (!W_ERROR_IS_OK(r->out.result)) {
1377                 return r->out.result;
1378         }
1379
1380         if (!r->in.modify_config) {
1381                 return WERR_OK;
1382         }
1383
1384         werr = do_unjoin_modify_vals_config(r);
1385         if (!W_ERROR_IS_OK(werr)) {
1386                 return werr;
1387         }
1388
1389         lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1390
1391         r->out.modified_config = true;
1392         r->out.result = werr;
1393
1394         return werr;
1395 }
1396
1397 /****************************************************************
1398 ****************************************************************/
1399
1400 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1401                                    const char *domain_str,
1402                                    const char **domain_p,
1403                                    const char **dc_p)
1404 {
1405         char *domain = NULL;
1406         char *dc = NULL;
1407         const char *p = NULL;
1408
1409         if (!domain_str || !domain_p || !dc_p) {
1410                 return false;
1411         }
1412
1413         p = strchr_m(domain_str, '\\');
1414
1415         if (p != NULL) {
1416                 domain = talloc_strndup(mem_ctx, domain_str,
1417                                          PTR_DIFF(p, domain_str));
1418                 dc = talloc_strdup(mem_ctx, p+1);
1419                 if (!dc) {
1420                         return false;
1421                 }
1422         } else {
1423                 domain = talloc_strdup(mem_ctx, domain_str);
1424                 dc = NULL;
1425         }
1426         if (!domain) {
1427                 return false;
1428         }
1429
1430         *domain_p = domain;
1431
1432         if (!*dc_p && dc) {
1433                 *dc_p = dc;
1434         }
1435
1436         return true;
1437 }
1438
1439 /****************************************************************
1440 ****************************************************************/
1441
1442 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1443                                          struct libnet_JoinCtx *r)
1444 {
1445         if (!r->in.domain_name) {
1446                 libnet_join_set_error_string(mem_ctx, r,
1447                         "No domain name defined");
1448                 return WERR_INVALID_PARAM;
1449         }
1450
1451         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1452                                     &r->in.domain_name,
1453                                     &r->in.dc_name)) {
1454                 libnet_join_set_error_string(mem_ctx, r,
1455                         "Failed to parse domain name");
1456                 return WERR_INVALID_PARAM;
1457         }
1458
1459         if (IS_DC) {
1460                 return WERR_SETUP_DOMAIN_CONTROLLER;
1461         }
1462
1463         if (!secrets_init()) {
1464                 libnet_join_set_error_string(mem_ctx, r,
1465                         "Unable to open secrets database");
1466                 return WERR_CAN_NOT_COMPLETE;
1467         }
1468
1469         return WERR_OK;
1470 }
1471
1472 /****************************************************************
1473 ****************************************************************/
1474
1475 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1476 {
1477         NTSTATUS status;
1478
1479         /* Try adding dom admins to builtin\admins. Only log failures. */
1480         status = create_builtin_administrators(domain_sid);
1481         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1482                 DEBUG(10,("Unable to auto-add domain administrators to "
1483                           "BUILTIN\\Administrators during join because "
1484                           "winbindd must be running."));
1485         } else if (!NT_STATUS_IS_OK(status)) {
1486                 DEBUG(5, ("Failed to auto-add domain administrators to "
1487                           "BUILTIN\\Administrators during join: %s\n",
1488                           nt_errstr(status)));
1489         }
1490
1491         /* Try adding dom users to builtin\users. Only log failures. */
1492         status = create_builtin_users(domain_sid);
1493         if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1494                 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1495                           "during join because winbindd must be running."));
1496         } else if (!NT_STATUS_IS_OK(status)) {
1497                 DEBUG(5, ("Failed to auto-add domain administrators to "
1498                           "BUILTIN\\Administrators during join: %s\n",
1499                           nt_errstr(status)));
1500         }
1501 }
1502
1503 /****************************************************************
1504 ****************************************************************/
1505
1506 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1507                                           struct libnet_JoinCtx *r)
1508 {
1509         WERROR werr;
1510
1511         if (!W_ERROR_IS_OK(r->out.result)) {
1512                 return r->out.result;
1513         }
1514
1515         werr = do_JoinConfig(r);
1516         if (!W_ERROR_IS_OK(werr)) {
1517                 return werr;
1518         }
1519
1520         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1521                 return WERR_OK;
1522         }
1523
1524         saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1525         if (r->out.dns_domain_name) {
1526                 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1527         }
1528
1529 #ifdef WITH_ADS
1530         if (r->out.domain_is_ad) {
1531                 ADS_STATUS ads_status;
1532
1533                 ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
1534                 if (!ADS_ERR_OK(ads_status)) {
1535                         return WERR_GENERAL_FAILURE;
1536                 }
1537         }
1538 #endif /* WITH_ADS */
1539
1540         libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1541
1542         return WERR_OK;
1543 }
1544
1545 /****************************************************************
1546 ****************************************************************/
1547
1548 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1549 {
1550         const char *krb5_cc_env = NULL;
1551
1552         if (r->in.ads) {
1553                 ads_destroy(&r->in.ads);
1554         }
1555
1556         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1557         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1558                 unsetenv(KRB5_ENV_CCNAME);
1559         }
1560
1561         return 0;
1562 }
1563
1564 /****************************************************************
1565 ****************************************************************/
1566
1567 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1568 {
1569         const char *krb5_cc_env = NULL;
1570
1571         if (r->in.ads) {
1572                 ads_destroy(&r->in.ads);
1573         }
1574
1575         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1576         if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1577                 unsetenv(KRB5_ENV_CCNAME);
1578         }
1579
1580         return 0;
1581 }
1582
1583 /****************************************************************
1584 ****************************************************************/
1585
1586 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1587                            struct libnet_JoinCtx **r)
1588 {
1589         struct libnet_JoinCtx *ctx;
1590         const char *krb5_cc_env = NULL;
1591
1592         ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1593         if (!ctx) {
1594                 return WERR_NOMEM;
1595         }
1596
1597         talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1598
1599         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1600         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1601
1602         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1603         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1604                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1605                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1606                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1607         }
1608
1609         ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1610
1611         *r = ctx;
1612
1613         return WERR_OK;
1614 }
1615
1616 /****************************************************************
1617 ****************************************************************/
1618
1619 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1620                              struct libnet_UnjoinCtx **r)
1621 {
1622         struct libnet_UnjoinCtx *ctx;
1623         const char *krb5_cc_env = NULL;
1624
1625         ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1626         if (!ctx) {
1627                 return WERR_NOMEM;
1628         }
1629
1630         talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1631
1632         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1633         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1634
1635         krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1636         if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1637                 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1638                 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1639                 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1640         }
1641
1642         *r = ctx;
1643
1644         return WERR_OK;
1645 }
1646
1647 /****************************************************************
1648 ****************************************************************/
1649
1650 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1651                                        struct libnet_JoinCtx *r)
1652 {
1653         bool valid_security = false;
1654         bool valid_workgroup = false;
1655         bool valid_realm = false;
1656
1657         /* check if configuration is already set correctly */
1658
1659         valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1660
1661         switch (r->out.domain_is_ad) {
1662                 case false:
1663                         valid_security = (lp_security() == SEC_DOMAIN);
1664                         if (valid_workgroup && valid_security) {
1665                                 /* nothing to be done */
1666                                 return WERR_OK;
1667                         }
1668                         break;
1669                 case true:
1670                         valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1671                         switch (lp_security()) {
1672                         case SEC_DOMAIN:
1673                         case SEC_ADS:
1674                                 valid_security = true;
1675                         }
1676
1677                         if (valid_workgroup && valid_realm && valid_security) {
1678                                 /* nothing to be done */
1679                                 return WERR_OK;
1680                         }
1681                         break;
1682         }
1683
1684         /* check if we are supposed to manipulate configuration */
1685
1686         if (!r->in.modify_config) {
1687
1688                 char *wrong_conf = talloc_strdup(mem_ctx, "");
1689
1690                 if (!valid_workgroup) {
1691                         wrong_conf = talloc_asprintf_append(wrong_conf,
1692                                 "\"workgroup\" set to '%s', should be '%s'",
1693                                 lp_workgroup(), r->out.netbios_domain_name);
1694                         W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1695                 }
1696
1697                 if (!valid_realm) {
1698                         wrong_conf = talloc_asprintf_append(wrong_conf,
1699                                 "\"realm\" set to '%s', should be '%s'",
1700                                 lp_realm(), r->out.dns_domain_name);
1701                         W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1702                 }
1703
1704                 if (!valid_security) {
1705                         const char *sec = NULL;
1706                         switch (lp_security()) {
1707                         case SEC_SHARE: sec = "share"; break;
1708                         case SEC_USER:  sec = "user"; break;
1709                         case SEC_DOMAIN: sec = "domain"; break;
1710                         case SEC_ADS: sec = "ads"; break;
1711                         }
1712                         wrong_conf = talloc_asprintf_append(wrong_conf,
1713                                 "\"security\" set to '%s', should be %s",
1714                                 sec, r->out.domain_is_ad ?
1715                                 "either 'domain' or 'ads'" : "'domain'");
1716                         W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1717                 }
1718
1719                 libnet_join_set_error_string(mem_ctx, r,
1720                         "Invalid configuration (%s) and configuration modification "
1721                         "was not requested", wrong_conf);
1722                 return WERR_CAN_NOT_COMPLETE;
1723         }
1724
1725         /* check if we are able to manipulate configuration */
1726
1727         if (!lp_config_backend_is_registry()) {
1728                 libnet_join_set_error_string(mem_ctx, r,
1729                         "Configuration manipulation requested but not "
1730                         "supported by backend");
1731                 return WERR_NOT_SUPPORTED;
1732         }
1733
1734         return WERR_OK;
1735 }
1736
1737 /****************************************************************
1738 ****************************************************************/
1739
1740 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1741                                 struct libnet_JoinCtx *r)
1742 {
1743         NTSTATUS status;
1744         WERROR werr;
1745         struct cli_state *cli = NULL;
1746 #ifdef WITH_ADS
1747         ADS_STATUS ads_status;
1748 #endif /* WITH_ADS */
1749
1750         if (!r->in.dc_name) {
1751                 struct netr_DsRGetDCNameInfo *info;
1752                 const char *dc;
1753                 status = dsgetdcname(mem_ctx,
1754                                      r->in.msg_ctx,
1755                                      r->in.domain_name,
1756                                      NULL,
1757                                      NULL,
1758                                      DS_FORCE_REDISCOVERY |
1759                                      DS_DIRECTORY_SERVICE_REQUIRED |
1760                                      DS_WRITABLE_REQUIRED |
1761                                      DS_RETURN_DNS_NAME,
1762                                      &info);
1763                 if (!NT_STATUS_IS_OK(status)) {
1764                         libnet_join_set_error_string(mem_ctx, r,
1765                                 "failed to find DC for domain %s",
1766                                 r->in.domain_name,
1767                                 get_friendly_nt_error_msg(status));
1768                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1769                 }
1770
1771                 dc = strip_hostname(info->dc_unc);
1772                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1773                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1774         }
1775
1776         status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1777         if (!NT_STATUS_IS_OK(status)) {
1778                 libnet_join_set_error_string(mem_ctx, r,
1779                         "failed to lookup DC info for domain '%s' over rpc: %s",
1780                         r->in.domain_name, get_friendly_nt_error_msg(status));
1781                 return ntstatus_to_werror(status);
1782         }
1783
1784         werr = libnet_join_check_config(mem_ctx, r);
1785         if (!W_ERROR_IS_OK(werr)) {
1786                 goto done;
1787         }
1788
1789 #ifdef WITH_ADS
1790         if (r->out.domain_is_ad && r->in.account_ou) {
1791
1792                 ads_status = libnet_join_connect_ads(mem_ctx, r);
1793                 if (!ADS_ERR_OK(ads_status)) {
1794                         return WERR_DEFAULT_JOIN_REQUIRED;
1795                 }
1796
1797                 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1798                 if (!ADS_ERR_OK(ads_status)) {
1799                         libnet_join_set_error_string(mem_ctx, r,
1800                                 "failed to precreate account in ou %s: %s",
1801                                 r->in.account_ou,
1802                                 ads_errstr(ads_status));
1803                         return WERR_DEFAULT_JOIN_REQUIRED;
1804                 }
1805
1806                 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1807         }
1808 #endif /* WITH_ADS */
1809
1810         status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1811         if (!NT_STATUS_IS_OK(status)) {
1812                 libnet_join_set_error_string(mem_ctx, r,
1813                         "failed to join domain '%s' over rpc: %s",
1814                         r->in.domain_name, get_friendly_nt_error_msg(status));
1815                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1816                         return WERR_SETUP_ALREADY_JOINED;
1817                 }
1818                 werr = ntstatus_to_werror(status);
1819                 goto done;
1820         }
1821
1822         if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1823                 werr = WERR_SETUP_NOT_JOINED;
1824                 goto done;
1825         }
1826
1827         werr = WERR_OK;
1828
1829  done:
1830         if (cli) {
1831                 cli_shutdown(cli);
1832         }
1833
1834         return werr;
1835 }
1836
1837 /****************************************************************
1838 ****************************************************************/
1839
1840 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1841                                    struct libnet_JoinCtx *r)
1842 {
1843         WERROR werr;
1844         struct libnet_UnjoinCtx *u = NULL;
1845
1846         werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1847         if (!W_ERROR_IS_OK(werr)) {
1848                 return werr;
1849         }
1850
1851         u->in.debug             = r->in.debug;
1852         u->in.dc_name           = r->in.dc_name;
1853         u->in.domain_name       = r->in.domain_name;
1854         u->in.admin_account     = r->in.admin_account;
1855         u->in.admin_password    = r->in.admin_password;
1856         u->in.modify_config     = r->in.modify_config;
1857         u->in.unjoin_flags      = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1858                                   WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1859
1860         werr = libnet_Unjoin(mem_ctx, u);
1861         TALLOC_FREE(u);
1862
1863         return werr;
1864 }
1865
1866 /****************************************************************
1867 ****************************************************************/
1868
1869 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1870                    struct libnet_JoinCtx *r)
1871 {
1872         WERROR werr;
1873
1874         if (r->in.debug) {
1875                 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1876         }
1877
1878         werr = libnet_join_pre_processing(mem_ctx, r);
1879         if (!W_ERROR_IS_OK(werr)) {
1880                 goto done;
1881         }
1882
1883         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1884                 werr = libnet_DomainJoin(mem_ctx, r);
1885                 if (!W_ERROR_IS_OK(werr)) {
1886                         goto done;
1887                 }
1888         }
1889
1890         werr = libnet_join_post_processing(mem_ctx, r);
1891         if (!W_ERROR_IS_OK(werr)) {
1892                 goto done;
1893         }
1894
1895         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1896                 werr = libnet_join_post_verify(mem_ctx, r);
1897                 if (!W_ERROR_IS_OK(werr)) {
1898                         libnet_join_rollback(mem_ctx, r);
1899                 }
1900         }
1901
1902  done:
1903         r->out.result = werr;
1904
1905         if (r->in.debug) {
1906                 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1907         }
1908         return werr;
1909 }
1910
1911 /****************************************************************
1912 ****************************************************************/
1913
1914 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1915                                   struct libnet_UnjoinCtx *r)
1916 {
1917         NTSTATUS status;
1918
1919         if (!r->in.domain_sid) {
1920                 struct dom_sid sid;
1921                 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1922                         libnet_unjoin_set_error_string(mem_ctx, r,
1923                                 "Unable to fetch domain sid: are we joined?");
1924                         return WERR_SETUP_NOT_JOINED;
1925                 }
1926                 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1927                 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1928         }
1929
1930         if (!r->in.dc_name) {
1931                 struct netr_DsRGetDCNameInfo *info;
1932                 const char *dc;
1933                 status = dsgetdcname(mem_ctx,
1934                                      r->in.msg_ctx,
1935                                      r->in.domain_name,
1936                                      NULL,
1937                                      NULL,
1938                                      DS_DIRECTORY_SERVICE_REQUIRED |
1939                                      DS_WRITABLE_REQUIRED |
1940                                      DS_RETURN_DNS_NAME,
1941                                      &info);
1942                 if (!NT_STATUS_IS_OK(status)) {
1943                         libnet_unjoin_set_error_string(mem_ctx, r,
1944                                 "failed to find DC for domain %s",
1945                                 r->in.domain_name,
1946                                 get_friendly_nt_error_msg(status));
1947                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1948                 }
1949
1950                 dc = strip_hostname(info->dc_unc);
1951                 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1952                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1953         }
1954
1955         status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1956         if (!NT_STATUS_IS_OK(status)) {
1957                 libnet_unjoin_set_error_string(mem_ctx, r,
1958                         "failed to disable machine account via rpc: %s",
1959                         get_friendly_nt_error_msg(status));
1960                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1961                         return WERR_SETUP_NOT_JOINED;
1962                 }
1963                 return ntstatus_to_werror(status);
1964         }
1965
1966         r->out.disabled_machine_account = true;
1967
1968 #ifdef WITH_ADS
1969         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1970                 ADS_STATUS ads_status;
1971                 libnet_unjoin_connect_ads(mem_ctx, r);
1972                 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1973                 if (!ADS_ERR_OK(ads_status)) {
1974                         libnet_unjoin_set_error_string(mem_ctx, r,
1975                                 "failed to remove machine account from AD: %s",
1976                                 ads_errstr(ads_status));
1977                 } else {
1978                         r->out.deleted_machine_account = true;
1979                         /* dirty hack */
1980                         r->out.dns_domain_name = talloc_strdup(mem_ctx,
1981                                                                r->in.ads->server.realm);
1982                         W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
1983                 }
1984         }
1985 #endif /* WITH_ADS */
1986
1987         libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1988
1989         return WERR_OK;
1990 }
1991
1992 /****************************************************************
1993 ****************************************************************/
1994
1995 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1996                                            struct libnet_UnjoinCtx *r)
1997 {
1998         if (!r->in.domain_name) {
1999                 libnet_unjoin_set_error_string(mem_ctx, r,
2000                         "No domain name defined");
2001                 return WERR_INVALID_PARAM;
2002         }
2003
2004         if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2005                                     &r->in.domain_name,
2006                                     &r->in.dc_name)) {
2007                 libnet_unjoin_set_error_string(mem_ctx, r,
2008                         "Failed to parse domain name");
2009                 return WERR_INVALID_PARAM;
2010         }
2011
2012         if (IS_DC) {
2013                 return WERR_SETUP_DOMAIN_CONTROLLER;
2014         }
2015
2016         if (!secrets_init()) {
2017                 libnet_unjoin_set_error_string(mem_ctx, r,
2018                         "Unable to open secrets database");
2019                 return WERR_CAN_NOT_COMPLETE;
2020         }
2021
2022         return WERR_OK;
2023 }
2024
2025 /****************************************************************
2026 ****************************************************************/
2027
2028 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2029                                             struct libnet_UnjoinCtx *r)
2030 {
2031         saf_delete(r->out.netbios_domain_name);
2032         saf_delete(r->out.dns_domain_name);
2033
2034         return libnet_unjoin_config(r);
2035 }
2036
2037 /****************************************************************
2038 ****************************************************************/
2039
2040 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2041                      struct libnet_UnjoinCtx *r)
2042 {
2043         WERROR werr;
2044
2045         if (r->in.debug) {
2046                 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2047         }
2048
2049         werr = libnet_unjoin_pre_processing(mem_ctx, r);
2050         if (!W_ERROR_IS_OK(werr)) {
2051                 goto done;
2052         }
2053
2054         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2055                 werr = libnet_DomainUnjoin(mem_ctx, r);
2056                 if (!W_ERROR_IS_OK(werr)) {
2057                         libnet_unjoin_config(r);
2058                         goto done;
2059                 }
2060         }
2061
2062         werr = libnet_unjoin_post_processing(mem_ctx, r);
2063         if (!W_ERROR_IS_OK(werr)) {
2064                 goto done;
2065         }
2066
2067  done:
2068         r->out.result = werr;
2069
2070         if (r->in.debug) {
2071                 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2072         }
2073
2074         return werr;
2075 }