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.syntax_id,
  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
 110         c->opt_password = net_prompt_pass(c, c->opt_user_name);
 111
 112         if (c->opt_kerberos) {
 113                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
 114         }
 115
 116         if (c->opt_kerberos && c->opt_password) {
 117                 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 118         }
 119
 120         if (c->opt_ccache) {
 121                 flags |= CLI_FULL_CONNECTION_USE_CCACHE;
 122         }
 123
 124         nt_status = cli_full_connection(cli_ctx, NULL, server_name,
 125                                         server_ss, c->opt_port,
 126                                         service_name, service_type,
 127                                         c->opt_user_name, c->opt_workgroup,
 128                                         c->opt_password, flags,
 129                                         SMB_SIGNING_DEFAULT);
 130         if (!NT_STATUS_IS_OK(nt_status)) {
 131                 d_fprintf(stderr, _("Could not connect to server %s\n"),
 132                           server_name);
 133
 134                 /* Display a nicer message depending on the result */
 135
 136                 if (NT_STATUS_V(nt_status) ==
 137                     NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
 138                         d_fprintf(stderr,
 139                                   _("The username or password was not "
 140                                     "correct.\n"));
 141
 142                 if (NT_STATUS_V(nt_status) ==
 143                     NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT))
 144                         d_fprintf(stderr, _("The account was locked out.\n"));
 145
 146                 if (NT_STATUS_V(nt_status) ==
 147                     NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED))
 148                         d_fprintf(stderr, _("The account was disabled.\n"));
 149                 return nt_status;
 150         }
 151
 152         if (c->smb_encrypt) {
 153                 nt_status = cli_force_encryption(*cli_ctx,
 154                                         c->opt_user_name,
 155                                         c->opt_password,
 156                                         c->opt_workgroup);
 157
 158                 if (NT_STATUS_EQUAL(nt_status,NT_STATUS_NOT_SUPPORTED)) {
 159                         d_printf(_("Encryption required and "
 160                                 "server that doesn't support "
 161                                 "UNIX extensions - failing connect\n"));
 162                 } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNKNOWN_REVISION)) {
 163                         d_printf(_("Encryption required and "
 164                                 "can't get UNIX CIFS extensions "
 165                                 "version from server.\n"));
 166                 } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNSUPPORTED_COMPRESSION)) {
 167                         d_printf(_("Encryption required and "
 168                                 "share %s doesn't support "
 169                                 "encryption.\n"), service_name);
 170                 } else if (!NT_STATUS_IS_OK(nt_status)) {
 171                         d_printf(_("Encryption required and "
 172                                 "setup failed with error %s.\n"),
 173                                 nt_errstr(nt_status));
 174                 }
 175
 176                 if (!NT_STATUS_IS_OK(nt_status)) {
 177                         cli_shutdown(*cli_ctx);
 178                         *cli_ctx = NULL;
 179                 }
 180         }
 181
 182         return nt_status;
 183 }
 184
 185 /****************************************************************************
 186  Connect to \\server\ipc$.
 187 ****************************************************************************/
 188
 189 NTSTATUS connect_to_ipc(struct net_context *c,
 190                         struct cli_state **cli_ctx,
 191                         const struct sockaddr_storage *server_ss,
 192                         const char *server_name)
 193 {
 194         return connect_to_service(c, cli_ctx, server_ss, server_name, "IPC$",
 195                                   "IPC");
 196 }
 197
 198 /****************************************************************************
 199  Connect to \\server\ipc$ anonymously.
 200 ****************************************************************************/
 201
 202 NTSTATUS connect_to_ipc_anonymous(struct net_context *c,
 203                                 struct cli_state **cli_ctx,
 204                                 const struct sockaddr_storage *server_ss,
 205                                 const char *server_name)
 206 {
 207         NTSTATUS nt_status;
 208
 209         nt_status = cli_full_connection(cli_ctx, c->opt_requester_name,
 210                                         server_name, server_ss, c->opt_port,
 211                                         "IPC$", "IPC",
 212                                         "", "",
 213                                         "", 0, SMB_SIGNING_DEFAULT);
 214
 215         if (NT_STATUS_IS_OK(nt_status)) {
 216                 return nt_status;
 217         } else {
 218                 DEBUG(1,("Cannot connect to server (anonymously).  Error was %s\n", nt_errstr(nt_status)));
 219                 return nt_status;
 220         }
 221 }
 222
 223 /**
 224  * Connect a server and open a given pipe
 225  *
 226  * @param cli_dst               A cli_state
 227  * @param pipe                  The pipe to open
 228  * @param got_pipe              boolean that stores if we got a pipe
 229  *
 230  * @return Normal NTSTATUS return.
 231  **/
 232 NTSTATUS connect_dst_pipe(struct net_context *c, struct cli_state **cli_dst,
 233                           struct rpc_pipe_client **pp_pipe_hnd,
 234                           const struct ndr_syntax_id *interface)
 235 {
 236         NTSTATUS nt_status;
 237         char *server_name = SMB_STRDUP("127.0.0.1");
 238         struct cli_state *cli_tmp = NULL;
 239         struct rpc_pipe_client *pipe_hnd = NULL;
 240
 241         if (server_name == NULL) {
 242                 return NT_STATUS_NO_MEMORY;
 243         }
 244
 245         if (c->opt_destination) {
 246                 SAFE_FREE(server_name);
 247                 if ((server_name = SMB_STRDUP(c->opt_destination)) == NULL) {
 248                         return NT_STATUS_NO_MEMORY;
 249                 }
 250         }
 251
 252         /* make a connection to a named pipe */
 253         nt_status = connect_to_ipc(c, &cli_tmp, NULL, server_name);
 254         if (!NT_STATUS_IS_OK(nt_status)) {
 255                 SAFE_FREE(server_name);
 256                 return nt_status;
 257         }
 258
 259         nt_status = cli_rpc_pipe_open_noauth(cli_tmp, interface,
 260                                              &pipe_hnd);
 261         if (!NT_STATUS_IS_OK(nt_status)) {
 262                 DEBUG(0, ("couldn't not initialize pipe\n"));
 263                 cli_shutdown(cli_tmp);
 264                 SAFE_FREE(server_name);
 265                 return nt_status;
 266         }
 267
 268         *cli_dst = cli_tmp;
 269         *pp_pipe_hnd = pipe_hnd;
 270         SAFE_FREE(server_name);
 271
 272         return nt_status;
 273 }
 274
 275 /****************************************************************************
 276  Use the local machine account (krb) and password for this session.
 277 ****************************************************************************/
 278
 279 int net_use_krb_machine_account(struct net_context *c)
 280 {
 281         char *user_name = NULL;
 282
 283         if (!secrets_init()) {
 284                 d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
 285                 exit(1);
 286         }
 287
 288         c->opt_password = secrets_fetch_machine_password(
 289                                 c->opt_target_workgroup, NULL, NULL);
 290         if (asprintf(&user_name, "%s$@%s", lp_netbios_name(), lp_realm()) == -1) {
 291                 return -1;
 292         }
 293         c->opt_user_name = user_name;
 294         return 0;
 295 }
 296
 297 /****************************************************************************
 298  Use the machine account name and password for this session.
 299 ****************************************************************************/
 300
 301 int net_use_machine_account(struct net_context *c)
 302 {
 303         char *user_name = NULL;
 304
 305         if (!secrets_init()) {
 306                 d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
 307                 exit(1);
 308         }
 309
 310         c->opt_password = secrets_fetch_machine_password(
 311                                 c->opt_target_workgroup, NULL, NULL);
 312         if (asprintf(&user_name, "%s$", lp_netbios_name()) == -1) {
 313                 return -1;
 314         }
 315         c->opt_user_name = user_name;
 316         return 0;
 317 }
 318
 319 bool net_find_server(struct net_context *c,
 320                         const char *domain,
 321                         unsigned flags,
 322                         struct sockaddr_storage *server_ss,
 323                         char **server_name)
 324 {
 325         const char *d = domain ? domain : c->opt_target_workgroup;
 326
 327         if (c->opt_host) {
 328                 *server_name = SMB_STRDUP(c->opt_host);
 329         }
 330
 331         if (c->opt_have_ip) {
 332                 *server_ss = c->opt_dest_ip;
 333                 if (!*server_name) {
 334                         char addr[INET6_ADDRSTRLEN];
 335                         print_sockaddr(addr, sizeof(addr), &c->opt_dest_ip);
 336                         *server_name = SMB_STRDUP(addr);
 337                 }
 338         } else if (*server_name) {
 339                 /* resolve the IP address */
 340                 if (!resolve_name(*server_name, server_ss, 0x20, false))  {
 341                         DEBUG(1,("Unable to resolve server name\n"));
 342                         return false;
 343                 }
 344         } else if (flags & NET_FLAGS_PDC) {
 345                 fstring dc_name;
 346                 struct sockaddr_storage pdc_ss;
 347
 348                 if (!get_pdc_ip(d, &pdc_ss)) {
 349                         DEBUG(1,("Unable to resolve PDC server address\n"));
 350                         return false;
 351                 }
 352
 353                 if (is_zero_addr(&pdc_ss)) {
 354                         return false;
 355                 }
 356
 357                 if (!name_status_find(d, 0x1b, 0x20, &pdc_ss, dc_name)) {
 358                         return false;
 359                 }
 360
 361                 *server_name = SMB_STRDUP(dc_name);
 362                 *server_ss = pdc_ss;
 363         } else if (flags & NET_FLAGS_DMB) {
 364                 struct sockaddr_storage msbrow_ss;
 365                 char addr[INET6_ADDRSTRLEN];
 366
 367                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
 368                 if (!resolve_name(d, &msbrow_ss, 0x1B, false))  {
 369                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 370                         return false;
 371                 }
 372                 *server_ss = msbrow_ss;
 373                 print_sockaddr(addr, sizeof(addr), server_ss);
 374                 *server_name = SMB_STRDUP(addr);
 375         } else if (flags & NET_FLAGS_MASTER) {
 376                 struct sockaddr_storage brow_ss;
 377                 char addr[INET6_ADDRSTRLEN];
 378                 if (!resolve_name(d, &brow_ss, 0x1D, false))  {
 379                                 /* go looking for workgroups */
 380                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 381                         return false;
 382                 }
 383                 *server_ss = brow_ss;
 384                 print_sockaddr(addr, sizeof(addr), server_ss);
 385                 *server_name = SMB_STRDUP(addr);
 386         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 387                 if (!interpret_string_addr(server_ss,
 388                                         "127.0.0.1", AI_NUMERICHOST)) {
 389                         DEBUG(1,("Unable to resolve 127.0.0.1\n"));
 390                         return false;
 391                 }
 392                 *server_name = SMB_STRDUP("127.0.0.1");
 393         }
 394
 395         if (!*server_name) {
 396                 DEBUG(1,("no server to connect to\n"));
 397                 return false;
 398         }
 399
 400         return true;
 401 }
 402
 403 bool net_find_pdc(struct sockaddr_storage *server_ss,
 404                 fstring server_name,
 405                 const char *domain_name)
 406 {
 407         if (!get_pdc_ip(domain_name, server_ss)) {
 408                 return false;
 409         }
 410         if (is_zero_addr(server_ss)) {
 411                 return false;
 412         }
 413
 414         if (!name_status_find(domain_name, 0x1b, 0x20, server_ss, server_name)) {
 415                 return false;
 416         }
 417
 418         return true;
 419 }
 420
 421 NTSTATUS net_make_ipc_connection(struct net_context *c, unsigned flags,
 422                                  struct cli_state **pcli)
 423 {
 424         return net_make_ipc_connection_ex(c, c->opt_workgroup, NULL, NULL, flags, pcli);
 425 }
 426
 427 NTSTATUS net_make_ipc_connection_ex(struct net_context *c ,const char *domain,
 428                                     const char *server,
 429                                     const struct sockaddr_storage *pss,
 430                                     unsigned flags, struct cli_state **pcli)
 431 {
 432         char *server_name = NULL;
 433         struct sockaddr_storage server_ss;
 434         struct cli_state *cli = NULL;
 435         NTSTATUS nt_status;
 436
 437         if ( !server || !pss ) {
 438                 if (!net_find_server(c, domain, flags, &server_ss,
 439                                      &server_name)) {
 440                         d_fprintf(stderr, _("Unable to find a suitable server "
 441                                 "for domain %s\n"), domain);
 442                         nt_status = NT_STATUS_UNSUCCESSFUL;
 443                         goto done;
 444                 }
 445         } else {
 446                 server_name = SMB_STRDUP( server );
 447                 server_ss = *pss;
 448         }
 449
 450         if (flags & NET_FLAGS_ANONYMOUS) {
 451                 nt_status = connect_to_ipc_anonymous(c, &cli, &server_ss,
 452                                                      server_name);
 453         } else {
 454                 nt_status = connect_to_ipc(c, &cli, &server_ss,
 455                                            server_name);
 456         }
 457
 458         /* store the server in the affinity cache if it was a PDC */
 459
 460         if ( (flags & NET_FLAGS_PDC) && NT_STATUS_IS_OK(nt_status) )
 461                 saf_store(cli->server_domain, server_name);
 462
 463         SAFE_FREE(server_name);
 464         if (!NT_STATUS_IS_OK(nt_status)) {
 465                 d_fprintf(stderr, _("Connection failed: %s\n"),
 466                           nt_errstr(nt_status));
 467                 cli = NULL;
 468         } else if (c->opt_request_timeout) {
 469                 cli_set_timeout(cli, c->opt_request_timeout * 1000);
 470         }
 471
 472 done:
 473         if (pcli != NULL) {
 474                 *pcli = cli;
 475         }
 476         return nt_status;
 477 }
 478
 479 /****************************************************************************
 480 ****************************************************************************/
 481
 482 const char *net_prompt_pass(struct net_context *c, const char *user)
 483 {
 484         char *prompt = NULL;
 485         const char *pass = NULL;
 486
 487         if (c->opt_password) {
 488                 return c->opt_password;
 489         }
 490
 491         if (c->opt_machine_pass) {
 492                 return NULL;
 493         }
 494
 495         if (c->opt_kerberos && !c->opt_user_specified) {
 496                 return NULL;
 497         }
 498
 499         if (asprintf(&prompt, _("Enter %s's password:"), user) == -1) {
 500                 return NULL;
 501         }
 502
 503         pass = getpass(prompt);
 504         SAFE_FREE(prompt);
 505
 506         return pass;
 507 }
 508
 509 int net_run_function(struct net_context *c, int argc, const char **argv,
 510                       const char *whoami, struct functable *table)
 511 {
 512         int i;
 513
 514         if (argc != 0) {
 515                 for (i=0; table[i].funcname != NULL; i++) {
 516                         if (strcasecmp_m(argv[0], table[i].funcname) == 0)
 517                                 return table[i].fn(c, argc-1, argv+1);
 518                 }
 519         }
 520
 521         if (c->display_usage == false) {
 522                 d_fprintf(stderr, _("Invalid command: %s %s\n"), whoami,
 523                           (argc > 0)?argv[0]:"");
 524         }
 525         d_printf(_("Usage:\n"));
 526         for (i=0; table[i].funcname != NULL; i++) {
 527                 if(c->display_usage == false)
 528                         d_printf("%s %-15s %s\n", whoami, table[i].funcname,
 529                                  _(table[i].description));
 530                 else
 531                         d_printf("%s\n", _(table[i].usage));
 532         }
 533
 534         return c->display_usage?0:-1;
 535 }
 536
 537 void net_display_usage_from_functable(struct functable *table)
 538 {
 539         int i;
 540         for (i=0; table[i].funcname != NULL; i++) {
 541                 d_printf("%s\n", _(table[i].usage));
 542         }
 543 }
 544
 545 const char *net_share_type_str(int num_type)
 546 {
 547         switch(num_type) {
 548                 case 0: return _("Disk");
 549                 case 1: return _("Print");
 550                 case 2: return _("Dev");
 551                 case 3: return _("IPC");
 552                 default: return _("Unknown");
 553         }
 554 }
 555
 556 static NTSTATUS net_scan_dc_noad(struct net_context *c,
 557                                  struct cli_state *cli,
 558                                  struct net_dc_info *dc_info)
 559 {
 560         TALLOC_CTX *mem_ctx = talloc_tos();
 561         struct rpc_pipe_client *pipe_hnd = NULL;
 562         struct dcerpc_binding_handle *b;
 563         NTSTATUS status, result;
 564         struct policy_handle pol;
 565         union lsa_PolicyInformation *info;
 566
 567         ZERO_STRUCTP(dc_info);
 568         ZERO_STRUCT(pol);
 569
 570         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
 571                                           &pipe_hnd);
 572         if (!NT_STATUS_IS_OK(status)) {
 573                 return status;
 574         }
 575
 576         b = pipe_hnd->binding_handle;
 577
 578         status = dcerpc_lsa_open_policy(b, mem_ctx,
 579                                         false,
 580                                         SEC_FLAG_MAXIMUM_ALLOWED,
 581                                         &pol,
 582                                         &result);
 583         if (!NT_STATUS_IS_OK(status)) {
 584                 goto done;
 585         }
 586         if (!NT_STATUS_IS_OK(result)) {
 587                 status = result;
 588                 goto done;
 589         }
 590
 591         status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
 592                                             &pol,
 593                                             LSA_POLICY_INFO_ACCOUNT_DOMAIN,
 594                                             &info,
 595                                             &result);
 596         if (!NT_STATUS_IS_OK(status)) {
 597                 goto done;
 598         }
 599         if (!NT_STATUS_IS_OK(result)) {
 600                 status = result;
 601                 goto done;
 602         }
 603
 604         dc_info->netbios_domain_name = talloc_strdup(mem_ctx, info->account_domain.name.string);
 605         if (dc_info->netbios_domain_name == NULL) {
 606                 status = NT_STATUS_NO_MEMORY;
 607                 goto done;
 608         }
 609
 610  done:
 611         if (is_valid_policy_hnd(&pol)) {
 612                 dcerpc_lsa_Close(b, mem_ctx, &pol, &result);
 613         }
 614
 615         TALLOC_FREE(pipe_hnd);
 616
 617         return status;
 618 }
 619
 620 NTSTATUS net_scan_dc(struct net_context *c,
 621                      struct cli_state *cli,
 622                      struct net_dc_info *dc_info)
 623 {
 624         TALLOC_CTX *mem_ctx = talloc_tos();
 625         struct rpc_pipe_client *dssetup_pipe = NULL;
 626         struct dcerpc_binding_handle *dssetup_handle = NULL;
 627         union dssetup_DsRoleInfo info;
 628         NTSTATUS status;
 629         WERROR werr;
 630
 631         ZERO_STRUCTP(dc_info);
 632
 633         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_dssetup.syntax_id,
 634                                           &dssetup_pipe);
 635         if (!NT_STATUS_IS_OK(status)) {
 636                 DEBUG(10,("net_scan_dc: failed to open dssetup pipe with %s, "
 637                         "retrying with lsa pipe\n", nt_errstr(status)));
 638                 return net_scan_dc_noad(c, cli, dc_info);
 639         }
 640         dssetup_handle = dssetup_pipe->binding_handle;
 641
 642         status = dcerpc_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_handle, mem_ctx,
 643                                                                   DS_ROLE_BASIC_INFORMATION,
 644                                                                   &info,
 645                                                                   &werr);
 646         TALLOC_FREE(dssetup_pipe);
 647
 648         if (NT_STATUS_IS_OK(status)) {
 649                 status = werror_to_ntstatus(werr);
 650         }
 651         if (!NT_STATUS_IS_OK(status)) {
 652                 return status;
 653         }
 654
 655         dc_info->is_dc  = (info.basic.role & (DS_ROLE_PRIMARY_DC|DS_ROLE_BACKUP_DC));
 656         dc_info->is_pdc = (info.basic.role & DS_ROLE_PRIMARY_DC);
 657         dc_info->is_ad  = (info.basic.flags & DS_ROLE_PRIMARY_DS_RUNNING);
 658         dc_info->is_mixed_mode = (info.basic.flags & DS_ROLE_PRIMARY_DS_MIXED_MODE);
 659         dc_info->netbios_domain_name = talloc_strdup(mem_ctx, info.basic.domain);
 660         dc_info->dns_domain_name = talloc_strdup(mem_ctx, info.basic.dns_domain);
 661         dc_info->forest_name = talloc_strdup(mem_ctx, info.basic.forest);
 662
 663         return NT_STATUS_OK;
 664 }