source/utils/net.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    Distributed SMB/CIFS Server Management Utility
   4    Copyright (C) 2001 Steve French  (sfrench@us.ibm.com)
   5    Copyright (C) 2001 Jim McDonough (jmcd@us.ibm.com)
   6    Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
   7    Copyright (C) 2001 Andrew Bartlett (abartlet@samba.org)
   8
   9    Originally written by Steve and Jim. Largely rewritten by tridge in
  10    November 2001.
  11
  12    Reworked again by abartlet in December 2001
  13
  14    This program is free software; you can redistribute it and/or modify
  15    it under the terms of the GNU General Public License as published by
  16    the Free Software Foundation; either version 2 of the License, or
  17    (at your option) any later version.
  18
  19    This program is distributed in the hope that it will be useful,
  20    but WITHOUT ANY WARRANTY; without even the implied warranty of
  21    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22    GNU General Public License for more details.
  23
  24    You should have received a copy of the GNU General Public License
  25    along with this program; if not, write to the Free Software
  26    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  27
  28 /*****************************************************/
  29 /*                                                   */
  30 /*   Distributed SMB/CIFS Server Management Utility  */
  31 /*                                                   */
  32 /*   The intent was to make the syntax similar       */
  33 /*   to the NET utility (first developed in DOS      */
  34 /*   with additional interesting & useful functions  */
  35 /*   added in later SMB server network operating     */
  36 /*   systems).                                       */
  37 /*                                                   */
  38 /*****************************************************/
  39
  40 #include "includes.h"
  41 #include "../utils/net.h"
  42
  43 /***********************************************************************/
  44 /* Beginning of internationalization section.  Translatable constants  */
  45 /* should be kept in this area and referenced in the rest of the code. */
  46 /*                                                                     */
  47 /* No functions, outside of Samba or LSB (Linux Standards Base) should */
  48 /* be used (if possible).                                              */
  49 /***********************************************************************/
  50
  51 #define YES_STRING              "Yes"
  52 #define NO_STRING               "No"
  53
  54 /************************************************************************************/
  55 /*                       end of internationalization section                        */
  56 /************************************************************************************/
  57
  58 /* Yes, these buggers are globals.... */
  59 const char *opt_requester_name = NULL;
  60 const char *opt_host = NULL;
  61 const char *opt_password = NULL;
  62 const char *opt_user_name = NULL;
  63 BOOL opt_user_specified = False;
  64 const char *opt_workgroup = NULL;
  65 int opt_long_list_entries = 0;
  66 int opt_reboot = 0;
  67 int opt_force = 0;
  68 int opt_port = 0;
  69 int opt_maxusers = -1;
  70 const char *opt_comment = "";
  71 const char *opt_container = "cn=Users";
  72 int opt_flags = -1;
  73 int opt_timeout = 0;
  74 const char *opt_target_workgroup = NULL;
  75 static int opt_machine_pass = 0;
  76
  77 BOOL opt_have_ip = False;
  78 struct in_addr opt_dest_ip;
  79
  80 extern BOOL AllowDebugChange;
  81
  82 uint32 get_sec_channel_type(const char *param)
  83 {
  84         if (!(param && *param)) {
  85                 return get_default_sec_channel();
  86         } else {
  87                 if (strcasecmp(param, "PDC")==0) {
  88                         return SEC_CHAN_BDC;
  89                 } else if (strcasecmp(param, "BDC")==0) {
  90                         return SEC_CHAN_BDC;
  91                 } else if (strcasecmp(param, "MEMBER")==0) {
  92                         return SEC_CHAN_WKSTA;
  93 #if 0
  94                 } else if (strcasecmp(param, "DOMAIN")==0) {
  95                         return SEC_CHAN_DOMAIN;
  96 #endif
  97                 } else {
  98                         return get_default_sec_channel();
  99                 }
 100         }
 101 }
 102
 103 /*
 104   run a function from a function table. If not found then
 105   call the specified usage function
 106 */
 107 int net_run_function(int argc, const char **argv, struct functable *table,
 108                      int (*usage_fn)(int argc, const char **argv))
 109 {
 110         int i;
 111
 112         if (argc < 1) {
 113                 d_printf("\nUsage: \n");
 114                 return usage_fn(argc, argv);
 115         }
 116         for (i=0; table[i].funcname; i++) {
 117                 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
 118                         return table[i].fn(argc-1, argv+1);
 119         }
 120         d_printf("No command: %s\n", argv[0]);
 121         return usage_fn(argc, argv);
 122 }
 123
 124
 125 /****************************************************************************
 126 connect to \\server\ipc$
 127 ****************************************************************************/
 128 NTSTATUS connect_to_ipc(struct cli_state **c, struct in_addr *server_ip,
 129                                         const char *server_name)
 130 {
 131         NTSTATUS nt_status;
 132
 133         if (!opt_password) {
 134                 char *pass = getpass("Password:");
 135                 if (pass) {
 136                         opt_password = strdup(pass);
 137                 }
 138         }
 139
 140         nt_status = cli_full_connection(c, opt_requester_name, server_name,
 141                                         server_ip, opt_port,
 142                                         "IPC$", "IPC",
 143                                         opt_user_name, opt_workgroup,
 144                                         opt_password, 0, Undefined, NULL);
 145
 146         if (NT_STATUS_IS_OK(nt_status)) {
 147                 return nt_status;
 148         } else {
 149                 DEBUG(1,("Cannot connect to server.  Error was %s\n",
 150                          nt_errstr(nt_status)));
 151
 152                 /* Display a nicer message depending on the result */
 153
 154                 if (NT_STATUS_V(nt_status) ==
 155                     NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
 156                         d_printf("The username or password was not correct.\n");
 157
 158                 return nt_status;
 159         }
 160 }
 161
 162 /****************************************************************************
 163 connect to \\server\ipc$ anonymously
 164 ****************************************************************************/
 165 NTSTATUS connect_to_ipc_anonymous(struct cli_state **c,
 166                         struct in_addr *server_ip, const char *server_name)
 167 {
 168         NTSTATUS nt_status;
 169
 170         nt_status = cli_full_connection(c, opt_requester_name, server_name,
 171                                         server_ip, opt_port,
 172                                         "IPC$", "IPC",
 173                                         "", "",
 174                                         "", 0, Undefined, NULL);
 175
 176         if (NT_STATUS_IS_OK(nt_status)) {
 177                 return nt_status;
 178         } else {
 179                 DEBUG(1,("Cannot connect to server (anonymously).  Error was %s\n", nt_errstr(nt_status)));
 180                 return nt_status;
 181         }
 182 }
 183
 184 /****************************************************************************
 185  Use the local machine's password for this session
 186 ****************************************************************************/
 187 int net_use_machine_password(void)
 188 {
 189         char *user_name = NULL;
 190
 191         if (!secrets_init()) {
 192                 d_printf("ERROR: Unable to open secrets database\n");
 193                 exit(1);
 194         }
 195
 196         user_name = NULL;
 197         opt_password = secrets_fetch_machine_password(opt_target_workgroup, NULL, NULL);
 198         if (asprintf(&user_name, "%s$@%s", global_myname(), lp_realm()) == -1) {
 199                 return -1;
 200         }
 201         opt_user_name = user_name;
 202         return 0;
 203 }
 204
 205 BOOL net_find_server(unsigned flags, struct in_addr *server_ip, char **server_name)
 206 {
 207
 208         if (opt_host) {
 209                 *server_name = strdup(opt_host);
 210         }
 211
 212         if (opt_have_ip) {
 213                 *server_ip = opt_dest_ip;
 214                 if (!*server_name) {
 215                         *server_name = strdup(inet_ntoa(opt_dest_ip));
 216                 }
 217         } else if (*server_name) {
 218                 /* resolve the IP address */
 219                 if (!resolve_name(*server_name, server_ip, 0x20))  {
 220                         DEBUG(1,("Unable to resolve server name\n"));
 221                         return False;
 222                 }
 223         } else if (flags & NET_FLAGS_PDC) {
 224                 struct in_addr pdc_ip;
 225
 226                 if (get_pdc_ip(opt_target_workgroup, &pdc_ip)) {
 227                         fstring dc_name;
 228
 229                         if (is_zero_ip(pdc_ip))
 230                                 return False;
 231
 232                         if ( !name_status_find(opt_target_workgroup, 0x1b, 0x20, pdc_ip, dc_name) )
 233                                 return False;
 234
 235                         *server_name = strdup(dc_name);
 236                         *server_ip = pdc_ip;
 237                 }
 238
 239         } else if (flags & NET_FLAGS_DMB) {
 240                 struct in_addr msbrow_ip;
 241                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1)) */
 242                 if (!resolve_name(opt_target_workgroup, &msbrow_ip, 0x1B))  {
 243                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 244                         return False;
 245                 } else {
 246                         *server_ip = msbrow_ip;
 247                 }
 248                 *server_name = strdup(inet_ntoa(opt_dest_ip));
 249         } else if (flags & NET_FLAGS_MASTER) {
 250                 struct in_addr brow_ips;
 251                 if (!resolve_name(opt_target_workgroup, &brow_ips, 0x1D))  {
 252                                 /* go looking for workgroups */
 253                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 254                         return False;
 255                 } else {
 256                         *server_ip = brow_ips;
 257                 }
 258                 *server_name = strdup(inet_ntoa(opt_dest_ip));
 259         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 260                 extern struct in_addr loopback_ip;
 261                 *server_ip = loopback_ip;
 262                 *server_name = strdup("127.0.0.1");
 263         }
 264
 265         if (!server_name || !*server_name) {
 266                 DEBUG(1,("no server to connect to\n"));
 267                 return False;
 268         }
 269
 270         return True;
 271 }
 272
 273
 274 BOOL net_find_pdc(struct in_addr *server_ip, fstring server_name, const char *domain_name)
 275 {
 276         if (get_pdc_ip(domain_name, server_ip)) {
 277                 if (is_zero_ip(*server_ip))
 278                         return False;
 279
 280                 if (!name_status_find(domain_name, 0x1b, 0x20, *server_ip, server_name))
 281                         return False;
 282
 283                 return True;
 284         }
 285         else
 286                 return False;
 287 }
 288
 289
 290 struct cli_state *net_make_ipc_connection(unsigned flags)
 291 {
 292         char *server_name = NULL;
 293         struct in_addr server_ip;
 294         struct cli_state *cli = NULL;
 295         NTSTATUS nt_status;
 296
 297         if (!net_find_server(flags, &server_ip, &server_name)) {
 298                 d_printf("\nUnable to find a suitable server\n");
 299                 return NULL;
 300         }
 301
 302         if (flags & NET_FLAGS_ANONYMOUS) {
 303                 nt_status = connect_to_ipc_anonymous(&cli, &server_ip, server_name);
 304         } else {
 305                 nt_status = connect_to_ipc(&cli, &server_ip, server_name);
 306         }
 307
 308         SAFE_FREE(server_name);
 309         if (NT_STATUS_IS_OK(nt_status)) {
 310                 return cli;
 311         } else {
 312                 return NULL;
 313         }
 314 }
 315
 316 static int net_user(int argc, const char **argv)
 317 {
 318         if (net_ads_check() == 0)
 319                 return net_ads_user(argc, argv);
 320
 321         /* if server is not specified, default to PDC? */
 322         if (net_rpc_check(NET_FLAGS_PDC))
 323                 return net_rpc_user(argc, argv);
 324
 325         return net_rap_user(argc, argv);
 326 }
 327
 328 static int net_group(int argc, const char **argv)
 329 {
 330         if (net_ads_check() == 0)
 331                 return net_ads_group(argc, argv);
 332
 333         if (argc == 0 && net_rpc_check(NET_FLAGS_PDC))
 334                 return net_rpc_group(argc, argv);
 335
 336         return net_rap_group(argc, argv);
 337 }
 338
 339 static int net_join(int argc, const char **argv)
 340 {
 341         if (net_ads_check() == 0) {
 342                 if (net_ads_join(argc, argv) == 0)
 343                         return 0;
 344                 else
 345                         d_printf("ADS join did not work, falling back to RPC...\n");
 346         }
 347         return net_rpc_join(argc, argv);
 348 }
 349
 350 static int net_changetrustpw(int argc, const char **argv)
 351 {
 352         if (net_ads_check() == 0)
 353                 return net_ads_changetrustpw(argc, argv);
 354
 355         return net_rpc_changetrustpw(argc, argv);
 356 }
 357
 358 static int net_changesecretpw(int argc, const char **argv)
 359 {
 360         char *trust_pw;
 361         uint32 sec_channel_type = SEC_CHAN_WKSTA;
 362
 363         if(opt_force) {
 364                 trust_pw = getpass("Enter machine password: ");
 365
 366                 if (!secrets_store_machine_password(trust_pw, lp_workgroup(), sec_channel_type)) {
 367                             d_printf("Unable to write the machine account password in the secrets database");
 368                             return 1;
 369                 }
 370                 else {
 371                     d_printf("Modified trust account password in secrets database\n");
 372                 }
 373         }
 374         else {
 375                 d_printf("Machine account password change requires the -f flag.\n");
 376                 d_printf("Do NOT use this function unless you know what it does!\n");
 377                 d_printf("This function will change the ADS Domain member machine account password in the secrets.tdb file!\n");
 378         }
 379
 380         return 0;
 381 }
 382
 383 static int net_share(int argc, const char **argv)
 384 {
 385         if (net_rpc_check(0))
 386                 return net_rpc_share(argc, argv);
 387         return net_rap_share(argc, argv);
 388 }
 389
 390 static int net_file(int argc, const char **argv)
 391 {
 392         if (net_rpc_check(0))
 393                 return net_rpc_file(argc, argv);
 394         return net_rap_file(argc, argv);
 395 }
 396
 397 /*
 398  Retrieve our local SID or the SID for the specified name
 399  */
 400 static int net_getlocalsid(int argc, const char **argv)
 401 {
 402         DOM_SID sid;
 403         const char *name;
 404         fstring sid_str;
 405
 406         if (argc >= 1) {
 407                 name = argv[0];
 408         }
 409         else {
 410                 name = global_myname();
 411         }
 412
 413         if (!secrets_fetch_domain_sid(name, &sid)) {
 414                 DEBUG(0, ("Can't fetch domain SID for name: %s\n", name));
 415                 return 1;
 416         }
 417         sid_to_string(sid_str, &sid);
 418         d_printf("SID for domain %s is: %s\n", name, sid_str);
 419         return 0;
 420 }
 421
 422 static int net_setlocalsid(int argc, const char **argv)
 423 {
 424         DOM_SID sid;
 425
 426         if ( (argc != 1)
 427              || (strncmp(argv[0], "S-1-5-21-", strlen("S-1-5-21-")) != 0)
 428              || (!string_to_sid(&sid, argv[0]))
 429              || (sid.num_auths != 4)) {
 430                 d_printf("usage: net setlocalsid S-1-5-21-x-y-z\n");
 431                 return 1;
 432         }
 433
 434         if (!secrets_store_domain_sid(global_myname(), &sid)) {
 435                 DEBUG(0,("Can't store domain SID as a pdc/bdc.\n"));
 436                 return 1;
 437         }
 438
 439         return 0;
 440 }
 441
 442 static int net_getdomainsid(int argc, const char **argv)
 443 {
 444         DOM_SID domain_sid;
 445         fstring sid_str;
 446
 447         if (!secrets_fetch_domain_sid(global_myname(), &domain_sid)) {
 448                 d_printf("Could not fetch local SID\n");
 449                 return 1;
 450         }
 451         sid_to_string(sid_str, &domain_sid);
 452         d_printf("SID for domain %s is: %s\n", global_myname(), sid_str);
 453
 454         if (!secrets_fetch_domain_sid(opt_workgroup, &domain_sid)) {
 455                 d_printf("Could not fetch domain SID\n");
 456                 return 1;
 457         }
 458
 459         sid_to_string(sid_str, &domain_sid);
 460         d_printf("SID for domain %s is: %s\n", opt_workgroup, sid_str);
 461
 462         return 0;
 463 }
 464
 465 #ifdef WITH_FAKE_KASERVER
 466
 467 int net_afskey_usage(int argc, const char **argv)
 468 {
 469         d_printf("  net afskey filename\n"
 470                  "\tImports a OpenAFS KeyFile into our secrets.tdb\n\n");
 471         return -1;
 472 }
 473
 474 static int net_afskey(int argc, const char **argv)
 475 {
 476         int fd;
 477         struct afs_keyfile keyfile;
 478
 479         if (argc != 2) {
 480                 d_printf("usage: 'net afskey <keyfile> cell'\n");
 481                 return -1;
 482         }
 483
 484         if (!secrets_init()) {
 485                 d_printf("Could not open secrets.tdb\n");
 486                 return -1;
 487         }
 488
 489         if ((fd = open(argv[0], O_RDONLY, 0)) < 0) {
 490                 d_printf("Could not open %s\n", argv[0]);
 491                 return -1;
 492         }
 493
 494         if (read(fd, &keyfile, sizeof(keyfile)) != sizeof(keyfile)) {
 495                 d_printf("Could not read keyfile\n");
 496                 return -1;
 497         }
 498
 499         if (!secrets_store_afs_keyfile(argv[1], &keyfile)) {
 500                 d_printf("Could not write keyfile to secrets.tdb\n");
 501                 return -1;
 502         }
 503
 504         return 0;
 505 }
 506
 507 #endif /* WITH_FAKE_KASERVER */
 508
 509 static uint32 get_maxrid(void)
 510 {
 511         SAM_ACCOUNT *pwd = NULL;
 512         uint32 max_rid = 0;
 513         GROUP_MAP *map = NULL;
 514         int num_entries = 0;
 515         int i;
 516
 517         if (!pdb_setsampwent(False)) {
 518                 DEBUG(0, ("load_sampwd_entries: Unable to open passdb.\n"));
 519                 return 0;
 520         }
 521
 522         for (; (NT_STATUS_IS_OK(pdb_init_sam(&pwd)))
 523                      && pdb_getsampwent(pwd) == True; pwd=NULL) {
 524                 uint32 rid;
 525
 526                 if (!sid_peek_rid(pdb_get_user_sid(pwd), &rid)) {
 527                         DEBUG(0, ("can't get RID for user '%s'\n",
 528                                   pdb_get_username(pwd)));
 529                         pdb_free_sam(&pwd);
 530                         continue;
 531                 }
 532
 533                 if (rid > max_rid)
 534                         max_rid = rid;
 535
 536                 DEBUG(1,("%d is user '%s'\n", rid, pdb_get_username(pwd)));
 537                 pdb_free_sam(&pwd);
 538         }
 539
 540         pdb_endsampwent();
 541         pdb_free_sam(&pwd);
 542
 543         if (!pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &num_entries,
 544                                     ENUM_ONLY_MAPPED))
 545                 return max_rid;
 546
 547         for (i = 0; i < num_entries; i++) {
 548                 uint32 rid;
 549
 550                 if (!sid_peek_check_rid(get_global_sam_sid(), &map[i].sid,
 551                                         &rid)) {
 552                         DEBUG(3, ("skipping map for group '%s', SID %s\n",
 553                                   map[i].nt_name,
 554                                   sid_string_static(&map[i].sid)));
 555                         continue;
 556                 }
 557                 DEBUG(1,("%d is group '%s'\n", rid, map[i].nt_name));
 558
 559                 if (rid > max_rid)
 560                         max_rid = rid;
 561         }
 562
 563         SAFE_FREE(map);
 564
 565         return max_rid;
 566 }
 567
 568 static int net_maxrid(int argc, const char **argv)
 569 {
 570         uint32 rid;
 571
 572         if (argc != 0) {
 573                 DEBUG(0, ("usage: net maxrid\n"));
 574                 return 1;
 575         }
 576
 577         if ((rid = get_maxrid()) == 0) {
 578                 DEBUG(0, ("can't get current maximum rid\n"));
 579                 return 1;
 580         }
 581
 582         d_printf("Currently used maximum rid: %d\n", rid);
 583
 584         return 0;
 585 }
 586
 587 /* main function table */
 588 static struct functable net_func[] = {
 589         {"RPC", net_rpc},
 590         {"RAP", net_rap},
 591         {"ADS", net_ads},
 592
 593         /* eventually these should auto-choose the transport ... */
 594         {"FILE", net_file},
 595         {"SHARE", net_share},
 596         {"SESSION", net_rap_session},
 597         {"SERVER", net_rap_server},
 598         {"DOMAIN", net_rap_domain},
 599         {"PRINTQ", net_rap_printq},
 600         {"USER", net_user},
 601         {"GROUP", net_group},
 602         {"GROUPMAP", net_groupmap},
 603         {"VALIDATE", net_rap_validate},
 604         {"GROUPMEMBER", net_rap_groupmember},
 605         {"ADMIN", net_rap_admin},
 606         {"SERVICE", net_rap_service},
 607         {"PASSWORD", net_rap_password},
 608         {"CHANGETRUSTPW", net_changetrustpw},
 609         {"CHANGESECRETPW", net_changesecretpw},
 610         {"TIME", net_time},
 611         {"LOOKUP", net_lookup},
 612         {"JOIN", net_join},
 613         {"CACHE", net_cache},
 614         {"GETLOCALSID", net_getlocalsid},
 615         {"SETLOCALSID", net_setlocalsid},
 616         {"GETDOMAINSID", net_getdomainsid},
 617         {"MAXRID", net_maxrid},
 618         {"IDMAP", net_idmap},
 619 #ifdef WITH_FAKE_KASERVER
 620         {"AFSKEY", net_afskey},
 621 #endif
 622
 623         {"HELP", net_help},
 624         {NULL, NULL}
 625 };
 626
 627
 628 /****************************************************************************
 629   main program
 630 ****************************************************************************/
 631  int main(int argc, const char **argv)
 632 {
 633         int opt,i;
 634         char *p;
 635         int rc = 0;
 636         int argc_new = 0;
 637         const char ** argv_new;
 638         poptContext pc;
 639
 640         struct poptOption long_options[] = {
 641                 {"help",        'h', POPT_ARG_NONE,   0, 'h'},
 642                 {"workgroup",   'w', POPT_ARG_STRING, &opt_target_workgroup},
 643                 {"user",        'U', POPT_ARG_STRING, &opt_user_name, 'U'},
 644                 {"ipaddress",   'I', POPT_ARG_STRING, 0,'I'},
 645                 {"port",        'p', POPT_ARG_INT,    &opt_port},
 646                 {"myname",      'n', POPT_ARG_STRING, &opt_requester_name},
 647                 {"server",      'S', POPT_ARG_STRING, &opt_host},
 648                 {"container",   'c', POPT_ARG_STRING, &opt_container},
 649                 {"comment",     'C', POPT_ARG_STRING, &opt_comment},
 650                 {"maxusers",    'M', POPT_ARG_INT,    &opt_maxusers},
 651                 {"flags",       'F', POPT_ARG_INT,    &opt_flags},
 652                 {"long",        'l', POPT_ARG_NONE,   &opt_long_list_entries},
 653                 {"reboot",      'r', POPT_ARG_NONE,   &opt_reboot},
 654                 {"force",       'f', POPT_ARG_NONE,   &opt_force},
 655                 {"timeout",     't', POPT_ARG_INT,    &opt_timeout},
 656                 {"machine-pass",'P', POPT_ARG_NONE,   &opt_machine_pass},
 657                 {"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
 658                 POPT_COMMON_SAMBA
 659                 { 0, 0, 0, 0}
 660         };
 661
 662         zero_ip(&opt_dest_ip);
 663
 664         /* set default debug level to 0 regardless of what smb.conf sets */
 665         DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
 666         dbf = x_stderr;
 667
 668         pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
 669                             POPT_CONTEXT_KEEP_FIRST);
 670
 671         while((opt = poptGetNextOpt(pc)) != -1) {
 672                 switch (opt) {
 673                 case 'h':
 674                         net_help(argc, argv);
 675                         exit(0);
 676                         break;
 677                 case 'I':
 678                         opt_dest_ip = *interpret_addr2(poptGetOptArg(pc));
 679                         if (is_zero_ip(opt_dest_ip))
 680                                 d_printf("\nInvalid ip address specified\n");
 681                         else
 682                                 opt_have_ip = True;
 683                         break;
 684                 case 'U':
 685                         opt_user_specified = True;
 686                         opt_user_name = strdup(opt_user_name);
 687                         p = strchr(opt_user_name,'%');
 688                         if (p) {
 689                                 *p = 0;
 690                                 opt_password = p+1;
 691                         }
 692                         break;
 693                 default:
 694                         d_printf("\nInvalid option %s: %s\n",
 695                                  poptBadOption(pc, 0), poptStrerror(opt));
 696                         net_help(argc, argv);
 697                         exit(1);
 698                 }
 699         }
 700
 701         /*
 702          * Don't load debug level from smb.conf. It should be
 703          * set by cmdline arg or remain default (0)
 704          */
 705         AllowDebugChange = False;
 706         lp_load(dyn_CONFIGFILE,True,False,False);
 707
 708         argv_new = (const char **)poptGetArgs(pc);
 709
 710         argc_new = argc;
 711         for (i=0; i<argc; i++) {
 712                 if (argv_new[i] == NULL) {
 713                         argc_new = i;
 714                         break;
 715                 }
 716         }
 717
 718         if (!opt_requester_name) {
 719                 static fstring myname;
 720                 get_myname(myname);
 721                 opt_requester_name = myname;
 722         }
 723
 724         if (!opt_user_name && getenv("LOGNAME")) {
 725                 opt_user_name = getenv("LOGNAME");
 726         }
 727
 728         if (!opt_workgroup) {
 729                 opt_workgroup = smb_xstrdup(lp_workgroup());
 730         }
 731
 732         if (!opt_target_workgroup) {
 733                 opt_target_workgroup = smb_xstrdup(lp_workgroup());
 734         }
 735
 736         if (!init_names())
 737                 exit(1);
 738
 739         load_interfaces();
 740
 741         /* this makes sure that when we do things like call scripts,
 742            that it won't assert becouse we are not root */
 743         sec_init();
 744
 745         if (opt_machine_pass) {
 746                 /* it is very useful to be able to make ads queries as the
 747                    machine account for testing purposes and for domain leave */
 748
 749                 net_use_machine_password();
 750         }
 751
 752         if (!opt_password) {
 753                 opt_password = getenv("PASSWD");
 754         }
 755
 756         rc = net_run_function(argc_new-1, argv_new+1, net_func, net_help);
 757
 758         DEBUG(2,("return code = %d\n", rc));
 759         return rc;
 760 }