source3/utils/net_util.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Helper routines for net
   4  *  Copyright (C) Volker Lendecke 2006
   5  *  Copyright (C) Kai Blin 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
  22 #include "includes.h"
  23 #include "utils/net.h"
  24 #include "rpc_client/cli_pipe.h"
  25 #include "../librpc/gen_ndr/ndr_lsa_c.h"
  26 #include "rpc_client/cli_lsarpc.h"
  27 #include "../librpc/gen_ndr/ndr_dssetup_c.h"
  28 #include "secrets.h"
  29 #include "../libcli/security/security.h"
  30 #include "libsmb/libsmb.h"
  31
  32 NTSTATUS net_rpc_lookup_name(struct net_context *c,
  33                              TALLOC_CTX *mem_ctx, struct cli_state *cli,
  34                              const char *name, const char **ret_domain,
  35                              const char **ret_name, struct dom_sid *ret_sid,
  36                              enum lsa_SidType *ret_type)
  37 {
  38         struct rpc_pipe_client *lsa_pipe = NULL;
  39         struct policy_handle pol;
  40         NTSTATUS status, result;
  41         const char **dom_names;
  42         struct dom_sid *sids;
  43         enum lsa_SidType *types;
  44         struct dcerpc_binding_handle *b;
  45
  46         ZERO_STRUCT(pol);
  47
  48         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc,
  49                                           &lsa_pipe);
  50         if (!NT_STATUS_IS_OK(status)) {
  51                 d_fprintf(stderr, _("Could not initialise lsa pipe\n"));
  52                 return status;
  53         }
  54
  55         b = lsa_pipe->binding_handle;
  56
  57         status = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, false,
  58                                         SEC_FLAG_MAXIMUM_ALLOWED,
  59                                         &pol);
  60         if (!NT_STATUS_IS_OK(status)) {
  61                 d_fprintf(stderr, "open_policy %s: %s\n", _("failed"),
  62                           nt_errstr(status));
  63                 return status;
  64         }
  65
  66         status = rpccli_lsa_lookup_names(lsa_pipe, mem_ctx, &pol, 1,
  67                                          &name, &dom_names, 1, &sids, &types);
  68
  69         if (!NT_STATUS_IS_OK(status)) {
  70                 /* This can happen easily, don't log an error */
  71                 goto done;
  72         }
  73
  74         if (ret_domain != NULL) {
  75                 *ret_domain = dom_names[0];
  76         }
  77         if (ret_name != NULL) {
  78                 *ret_name = talloc_strdup(mem_ctx, name);
  79         }
  80         if (ret_sid != NULL) {
  81                 sid_copy(ret_sid, &sids[0]);
  82         }
  83         if (ret_type != NULL) {
  84                 *ret_type = types[0];
  85         }
  86
  87  done:
  88         if (is_valid_policy_hnd(&pol)) {
  89                 dcerpc_lsa_Close(b, mem_ctx, &pol, &result);
  90         }
  91         TALLOC_FREE(lsa_pipe);
  92
  93         return status;
  94 }
  95
  96 /****************************************************************************
  97  Connect to \\server\service.
  98 ****************************************************************************/
  99
 100 NTSTATUS connect_to_service(struct net_context *c,
 101                             struct cli_state **cli_ctx,
 102                             const struct sockaddr_storage *server_ss,
 103                             const char *server_name,
 104                             const char *service_name,
 105                             const char *service_type)
 106 {
 107         NTSTATUS nt_status;
 108         int flags = 0;
 109         enum smb_signing_setting signing_setting = SMB_SIGNING_DEFAULT;
 110
 111         c->opt_password = net_prompt_pass(c, c->opt_user_name);
 112
 113         if (c->opt_kerberos) {
 114                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
 115         }
 116
 117         if (c->opt_kerberos && c->opt_password) {
 118                 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 119         }
 120
 121         if (c->opt_ccache) {
 122                 flags |= CLI_FULL_CONNECTION_USE_CCACHE;
 123         }
 124
 125         if (strequal(service_type, "IPC")) {
 126                 signing_setting = SMB_SIGNING_IPC_DEFAULT;
 127         }
 128
 129         nt_status = cli_full_connection(cli_ctx, NULL, server_name,
 130                                         server_ss, c->opt_port,
 131                                         service_name, service_type,
 132                                         c->opt_user_name, c->opt_workgroup,
 133                                         c->opt_password, flags,
 134                                         signing_setting);
 135         if (!NT_STATUS_IS_OK(nt_status)) {
 136                 d_fprintf(stderr, _("Could not connect to server %s\n"),
 137                           server_name);
 138
 139                 /* Display a nicer message depending on the result */
 140
 141                 if (NT_STATUS_V(nt_status) ==
 142                     NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
 143                         d_fprintf(stderr,
 144                                   _("The username or password was not "
 145                                     "correct.\n"));
 146
 147                 if (NT_STATUS_V(nt_status) ==
 148                     NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT))
 149                         d_fprintf(stderr, _("The account was locked out.\n"));
 150
 151                 if (NT_STATUS_V(nt_status) ==
 152                     NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED))
 153                         d_fprintf(stderr, _("The account was disabled.\n"));
 154                 return nt_status;
 155         }
 156
 157         if (c->smb_encrypt) {
 158                 nt_status = cli_cm_force_encryption(*cli_ctx,
 159                                                     c->opt_user_name,
 160                                                     c->opt_password,
 161                                                     c->opt_workgroup,
 162                                                     service_name);
 163                 if (!NT_STATUS_IS_OK(nt_status)) {
 164                         cli_shutdown(*cli_ctx);
 165                         *cli_ctx = NULL;
 166                 }
 167         }
 168
 169         return nt_status;
 170 }
 171
 172 /****************************************************************************
 173  Connect to \\server\ipc$.
 174 ****************************************************************************/
 175
 176 NTSTATUS connect_to_ipc(struct net_context *c,
 177                         struct cli_state **cli_ctx,
 178                         const struct sockaddr_storage *server_ss,
 179                         const char *server_name)
 180 {
 181         return connect_to_service(c, cli_ctx, server_ss, server_name, "IPC$",
 182                                   "IPC");
 183 }
 184
 185 /****************************************************************************
 186  Connect to \\server\ipc$ anonymously.
 187 ****************************************************************************/
 188
 189 NTSTATUS connect_to_ipc_anonymous(struct net_context *c,
 190                                 struct cli_state **cli_ctx,
 191                                 const struct sockaddr_storage *server_ss,
 192                                 const char *server_name)
 193 {
 194         NTSTATUS nt_status;
 195
 196         nt_status = cli_full_connection(cli_ctx, c->opt_requester_name,
 197                                         server_name, server_ss, c->opt_port,
 198                                         "IPC$", "IPC",
 199                                         "", "",
 200                                         "", 0, SMB_SIGNING_DEFAULT);
 201
 202         if (NT_STATUS_IS_OK(nt_status)) {
 203                 return nt_status;
 204         } else {
 205                 DEBUG(1,("Cannot connect to server (anonymously).  Error was %s\n", nt_errstr(nt_status)));
 206                 return nt_status;
 207         }
 208 }
 209
 210 /**
 211  * Connect a server and open a given pipe
 212  *
 213  * @param cli_dst               A cli_state
 214  * @param pipe                  The pipe to open
 215  * @param got_pipe              boolean that stores if we got a pipe
 216  *
 217  * @return Normal NTSTATUS return.
 218  **/
 219 NTSTATUS connect_dst_pipe(struct net_context *c, struct cli_state **cli_dst,
 220                           struct rpc_pipe_client **pp_pipe_hnd,
 221                           const struct ndr_interface_table *table)
 222 {
 223         NTSTATUS nt_status;
 224         char *server_name = SMB_STRDUP("127.0.0.1");
 225         struct cli_state *cli_tmp = NULL;
 226         struct rpc_pipe_client *pipe_hnd = NULL;
 227
 228         if (server_name == NULL) {
 229                 return NT_STATUS_NO_MEMORY;
 230         }
 231
 232         if (c->opt_destination) {
 233                 SAFE_FREE(server_name);
 234                 if ((server_name = SMB_STRDUP(c->opt_destination)) == NULL) {
 235                         return NT_STATUS_NO_MEMORY;
 236                 }
 237         }
 238
 239         /* make a connection to a named pipe */
 240         nt_status = connect_to_ipc(c, &cli_tmp, NULL, server_name);
 241         if (!NT_STATUS_IS_OK(nt_status)) {
 242                 SAFE_FREE(server_name);
 243                 return nt_status;
 244         }
 245
 246         nt_status = cli_rpc_pipe_open_noauth(cli_tmp, table,
 247                                              &pipe_hnd);
 248         if (!NT_STATUS_IS_OK(nt_status)) {
 249                 DEBUG(0, ("couldn't not initialize pipe\n"));
 250                 cli_shutdown(cli_tmp);
 251                 SAFE_FREE(server_name);
 252                 return nt_status;
 253         }
 254
 255         *cli_dst = cli_tmp;
 256         *pp_pipe_hnd = pipe_hnd;
 257         SAFE_FREE(server_name);
 258
 259         return nt_status;
 260 }
 261
 262 /****************************************************************************
 263  Use the local machine account (krb) and password for this session.
 264 ****************************************************************************/
 265
 266 int net_use_krb_machine_account(struct net_context *c)
 267 {
 268         char *user_name = NULL;
 269
 270         if (!secrets_init()) {
 271                 d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
 272                 exit(1);
 273         }
 274
 275         c->opt_password = secrets_fetch_machine_password(
 276                                 c->opt_target_workgroup, NULL, NULL);
 277         if (asprintf(&user_name, "%s$@%s", lp_netbios_name(), lp_realm()) == -1) {
 278                 return -1;
 279         }
 280         c->opt_user_name = user_name;
 281         return 0;
 282 }
 283
 284 /****************************************************************************
 285  Use the machine account name and password for this session.
 286 ****************************************************************************/
 287
 288 int net_use_machine_account(struct net_context *c)
 289 {
 290         char *user_name = NULL;
 291
 292         if (!secrets_init()) {
 293                 d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
 294                 exit(1);
 295         }
 296
 297         c->opt_password = secrets_fetch_machine_password(
 298                                 c->opt_target_workgroup, NULL, NULL);
 299         if (asprintf(&user_name, "%s$", lp_netbios_name()) == -1) {
 300                 return -1;
 301         }
 302         c->opt_user_name = user_name;
 303         return 0;
 304 }
 305
 306 bool net_find_server(struct net_context *c,
 307                         const char *domain,
 308                         unsigned flags,
 309                         struct sockaddr_storage *server_ss,
 310                         char **server_name)
 311 {
 312         const char *d = domain ? domain : c->opt_target_workgroup;
 313
 314         if (c->opt_host) {
 315                 *server_name = SMB_STRDUP(c->opt_host);
 316         }
 317
 318         if (c->opt_have_ip) {
 319                 *server_ss = c->opt_dest_ip;
 320                 if (!*server_name) {
 321                         char addr[INET6_ADDRSTRLEN];
 322                         print_sockaddr(addr, sizeof(addr), &c->opt_dest_ip);
 323                         *server_name = SMB_STRDUP(addr);
 324                 }
 325         } else if (*server_name) {
 326                 /* resolve the IP address */
 327                 if (!resolve_name(*server_name, server_ss, 0x20, false))  {
 328                         DEBUG(1,("Unable to resolve server name\n"));
 329                         return false;
 330                 }
 331         } else if (flags & NET_FLAGS_PDC) {
 332                 fstring dc_name;
 333                 struct sockaddr_storage pdc_ss;
 334
 335                 if (!get_pdc_ip(d, &pdc_ss)) {
 336                         DEBUG(1,("Unable to resolve PDC server address\n"));
 337                         return false;
 338                 }
 339
 340                 if (is_zero_addr(&pdc_ss)) {
 341                         return false;
 342                 }
 343
 344                 if (!name_status_find(d, 0x1b, 0x20, &pdc_ss, dc_name)) {
 345                         return false;
 346                 }
 347
 348                 *server_name = SMB_STRDUP(dc_name);
 349                 *server_ss = pdc_ss;
 350         } else if (flags & NET_FLAGS_DMB) {
 351                 struct sockaddr_storage msbrow_ss;
 352                 char addr[INET6_ADDRSTRLEN];
 353
 354                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
 355                 if (!resolve_name(d, &msbrow_ss, 0x1B, false))  {
 356                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 357                         return false;
 358                 }
 359                 *server_ss = msbrow_ss;
 360                 print_sockaddr(addr, sizeof(addr), server_ss);
 361                 *server_name = SMB_STRDUP(addr);
 362         } else if (flags & NET_FLAGS_MASTER) {
 363                 struct sockaddr_storage brow_ss;
 364                 char addr[INET6_ADDRSTRLEN];
 365                 if (!resolve_name(d, &brow_ss, 0x1D, false))  {
 366                                 /* go looking for workgroups */
 367                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 368                         return false;
 369                 }
 370                 *server_ss = brow_ss;
 371                 print_sockaddr(addr, sizeof(addr), server_ss);
 372                 *server_name = SMB_STRDUP(addr);
 373         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 374                 if (!interpret_string_addr(server_ss,
 375                                         "127.0.0.1", AI_NUMERICHOST)) {
 376                         DEBUG(1,("Unable to resolve 127.0.0.1\n"));
 377                         return false;
 378                 }
 379                 *server_name = SMB_STRDUP("127.0.0.1");
 380         }
 381
 382         if (!*server_name) {
 383                 DEBUG(1,("no server to connect to\n"));
 384                 return false;
 385         }
 386
 387         return true;
 388 }
 389
 390 bool net_find_pdc(struct sockaddr_storage *server_ss,
 391                 fstring server_name,
 392                 const char *domain_name)
 393 {
 394         if (!get_pdc_ip(domain_name, server_ss)) {
 395                 return false;
 396         }
 397         if (is_zero_addr(server_ss)) {
 398                 return false;
 399         }
 400
 401         if (!name_status_find(domain_name, 0x1b, 0x20, server_ss, server_name)) {
 402                 return false;
 403         }
 404
 405         return true;
 406 }
 407
 408 NTSTATUS net_make_ipc_connection(struct net_context *c, unsigned flags,
 409                                  struct cli_state **pcli)
 410 {
 411         return net_make_ipc_connection_ex(c, c->opt_workgroup, NULL, NULL, flags, pcli);
 412 }
 413
 414 NTSTATUS net_make_ipc_connection_ex(struct net_context *c ,const char *domain,
 415                                     const char *server,
 416                                     const struct sockaddr_storage *pss,
 417                                     unsigned flags, struct cli_state **pcli)
 418 {
 419         char *server_name = NULL;
 420         struct sockaddr_storage server_ss;
 421         struct cli_state *cli = NULL;
 422         NTSTATUS nt_status;
 423
 424         if ( !server || !pss ) {
 425                 if (!net_find_server(c, domain, flags, &server_ss,
 426                                      &server_name)) {
 427                         d_fprintf(stderr, _("Unable to find a suitable server "
 428                                 "for domain %s\n"), domain);
 429                         nt_status = NT_STATUS_UNSUCCESSFUL;
 430                         goto done;
 431                 }
 432         } else {
 433                 server_name = SMB_STRDUP( server );
 434                 server_ss = *pss;
 435         }
 436
 437         if (flags & NET_FLAGS_ANONYMOUS) {
 438                 nt_status = connect_to_ipc_anonymous(c, &cli, &server_ss,
 439                                                      server_name);
 440         } else {
 441                 nt_status = connect_to_ipc(c, &cli, &server_ss,
 442                                            server_name);
 443         }
 444
 445         /* store the server in the affinity cache if it was a PDC */
 446
 447         if ( (flags & NET_FLAGS_PDC) && NT_STATUS_IS_OK(nt_status) )
 448                 saf_store(cli->server_domain, server_name);
 449
 450         SAFE_FREE(server_name);
 451         if (!NT_STATUS_IS_OK(nt_status)) {
 452                 d_fprintf(stderr, _("Connection failed: %s\n"),
 453                           nt_errstr(nt_status));
 454                 cli = NULL;
 455         } else if (c->opt_request_timeout) {
 456                 cli_set_timeout(cli, c->opt_request_timeout * 1000);
 457         }
 458
 459 done:
 460         if (pcli != NULL) {
 461                 *pcli = cli;
 462         }
 463         return nt_status;
 464 }
 465
 466 /****************************************************************************
 467 ****************************************************************************/
 468
 469 const char *net_prompt_pass(struct net_context *c, const char *user)
 470 {
 471         char *prompt = NULL;
 472         char pwd[256] = {0};
 473         int rc;
 474
 475         if (c->opt_password) {
 476                 return c->opt_password;
 477         }
 478
 479         if (c->opt_machine_pass) {
 480                 return NULL;
 481         }
 482
 483         if (c->opt_kerberos && !c->opt_user_specified) {
 484                 return NULL;
 485         }
 486
 487         if (asprintf(&prompt, _("Enter %s's password:"), user) == -1) {
 488                 return NULL;
 489         }
 490
 491         rc = samba_getpass(prompt, pwd, sizeof(pwd), false, false);
 492         SAFE_FREE(prompt);
 493         if (rc < 0) {
 494                 return NULL;
 495         }
 496
 497         return SMB_STRDUP(pwd);
 498 }
 499
 500 int net_run_function(struct net_context *c, int argc, const char **argv,
 501                       const char *whoami, struct functable *table)
 502 {
 503         int i;
 504
 505         if (argc != 0) {
 506                 for (i=0; table[i].funcname != NULL; i++) {
 507                         if (strcasecmp_m(argv[0], table[i].funcname) == 0)
 508                                 return table[i].fn(c, argc-1, argv+1);
 509                 }
 510         }
 511
 512         if (c->display_usage == false) {
 513                 d_fprintf(stderr, _("Invalid command: %s %s\n"), whoami,
 514                           (argc > 0)?argv[0]:"");
 515         }
 516         d_printf(_("Usage:\n"));
 517         for (i=0; table[i].funcname != NULL; i++) {
 518                 if(c->display_usage == false)
 519                         d_printf("%s %-15s %s\n", whoami, table[i].funcname,
 520                                  _(table[i].description));
 521                 else
 522                         d_printf("%s\n", _(table[i].usage));
 523         }
 524
 525         return c->display_usage?0:-1;
 526 }
 527
 528 void net_display_usage_from_functable(struct functable *table)
 529 {
 530         int i;
 531         for (i=0; table[i].funcname != NULL; i++) {
 532                 d_printf("%s\n", _(table[i].usage));
 533         }
 534 }
 535
 536 const char *net_share_type_str(int num_type)
 537 {
 538         switch(num_type) {
 539                 case 0: return _("Disk");
 540                 case 1: return _("Print");
 541                 case 2: return _("Dev");
 542                 case 3: return _("IPC");
 543                 default: return _("Unknown");
 544         }
 545 }
 546
 547 static NTSTATUS net_scan_dc_noad(struct net_context *c,
 548                                  struct cli_state *cli,
 549                                  struct net_dc_info *dc_info)
 550 {
 551         TALLOC_CTX *mem_ctx = talloc_tos();
 552         struct rpc_pipe_client *pipe_hnd = NULL;
 553         struct dcerpc_binding_handle *b;
 554         NTSTATUS status, result;
 555         struct policy_handle pol;
 556         union lsa_PolicyInformation *info;
 557
 558         ZERO_STRUCTP(dc_info);
 559         ZERO_STRUCT(pol);
 560
 561         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc,
 562                                           &pipe_hnd);
 563         if (!NT_STATUS_IS_OK(status)) {
 564                 return status;
 565         }
 566
 567         b = pipe_hnd->binding_handle;
 568
 569         status = dcerpc_lsa_open_policy(b, mem_ctx,
 570                                         false,
 571                                         SEC_FLAG_MAXIMUM_ALLOWED,
 572                                         &pol,
 573                                         &result);
 574         if (!NT_STATUS_IS_OK(status)) {
 575                 goto done;
 576         }
 577         if (!NT_STATUS_IS_OK(result)) {
 578                 status = result;
 579                 goto done;
 580         }
 581
 582         status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
 583                                             &pol,
 584                                             LSA_POLICY_INFO_ACCOUNT_DOMAIN,
 585                                             &info,
 586                                             &result);
 587         if (!NT_STATUS_IS_OK(status)) {
 588                 goto done;
 589         }
 590         if (!NT_STATUS_IS_OK(result)) {
 591                 status = result;
 592                 goto done;
 593         }
 594
 595         dc_info->netbios_domain_name = talloc_strdup(mem_ctx, info->account_domain.name.string);
 596         if (dc_info->netbios_domain_name == NULL) {
 597                 status = NT_STATUS_NO_MEMORY;
 598                 goto done;
 599         }
 600
 601  done:
 602         if (is_valid_policy_hnd(&pol)) {
 603                 dcerpc_lsa_Close(b, mem_ctx, &pol, &result);
 604         }
 605
 606         TALLOC_FREE(pipe_hnd);
 607
 608         return status;
 609 }
 610
 611 NTSTATUS net_scan_dc(struct net_context *c,
 612                      struct cli_state *cli,
 613                      struct net_dc_info *dc_info)
 614 {
 615         TALLOC_CTX *mem_ctx = talloc_tos();
 616         struct rpc_pipe_client *dssetup_pipe = NULL;
 617         struct dcerpc_binding_handle *dssetup_handle = NULL;
 618         union dssetup_DsRoleInfo info;
 619         NTSTATUS status;
 620         WERROR werr;
 621
 622         ZERO_STRUCTP(dc_info);
 623
 624         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_dssetup,
 625                                           &dssetup_pipe);
 626         if (!NT_STATUS_IS_OK(status)) {
 627                 DEBUG(10,("net_scan_dc: failed to open dssetup pipe with %s, "
 628                         "retrying with lsa pipe\n", nt_errstr(status)));
 629                 return net_scan_dc_noad(c, cli, dc_info);
 630         }
 631         dssetup_handle = dssetup_pipe->binding_handle;
 632
 633         status = dcerpc_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_handle, mem_ctx,
 634                                                                   DS_ROLE_BASIC_INFORMATION,
 635                                                                   &info,
 636                                                                   &werr);
 637         TALLOC_FREE(dssetup_pipe);
 638
 639         if (NT_STATUS_IS_OK(status)) {
 640                 status = werror_to_ntstatus(werr);
 641         }
 642         if (!NT_STATUS_IS_OK(status)) {
 643                 return status;
 644         }
 645
 646         dc_info->is_dc  = (info.basic.role & (DS_ROLE_PRIMARY_DC|DS_ROLE_BACKUP_DC));
 647         dc_info->is_pdc = (info.basic.role & DS_ROLE_PRIMARY_DC);
 648         dc_info->is_ad  = (info.basic.flags & DS_ROLE_PRIMARY_DS_RUNNING);
 649         dc_info->is_mixed_mode = (info.basic.flags & DS_ROLE_PRIMARY_DS_MIXED_MODE);
 650         dc_info->netbios_domain_name = talloc_strdup(mem_ctx, info.basic.domain);
 651         dc_info->dns_domain_name = talloc_strdup(mem_ctx, info.basic.dns_domain);
 652         dc_info->forest_name = talloc_strdup(mem_ctx, info.basic.forest);
 653
 654         return NT_STATUS_OK;
 655 }