source3/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 char *opt_requester_name = NULL;
  60 char *opt_host = NULL;
  61 char *opt_password = NULL;
  62 char *opt_user_name = NULL;
  63 BOOL opt_user_specified = False;
  64 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 char *opt_comment = "";
  71 int opt_flags = -1;
  72 int opt_jobid = 0;
  73 int opt_timeout = 0;
  74 char *opt_target_workgroup = NULL;
  75
  76 static BOOL got_pass = False;
  77 BOOL opt_have_ip = False;
  78 struct in_addr opt_dest_ip;
  79
  80 extern pstring global_myname;
  81
  82 int net_common_flags_usage(int argc, const char **argv)
  83 {
  84
  85         d_printf("Valid targets: choose one (none defaults to localhost)\n");
  86         d_printf("\t-S or --server=<server>\t\tserver name\n");
  87         d_printf("\t-I or --ipaddress=<ipaddr>\taddress of target server\n");
  88         d_printf("\t-w or --workgroup=<wg>\t\ttarget workgroup or domain\n");
  89
  90         d_printf("\n");
  91         d_printf("Valid miscellaneous options are:\n"); /* misc options */
  92         d_printf("\t-p or --port=<port>\tconnection port on target server\n");
  93         d_printf("\t-W or --myworkgroup=<wg>\tclient workgroup\n");
  94         d_printf("\t-d or --debug=<level>\t\tdebug level (0-10)\n");
  95         d_printf("\t-n or --myname=<name>\t\tclient name\n");
  96         d_printf("\t-U or --user=<name>\t\tuser name\n");
  97         d_printf("\t-s or --conf=<path>\t\tpathname of smb.conf file\n");
  98         d_printf("\t-l or --long\t\t\tDisplay full information\n");
  99         return -1;
 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 (!got_pass) {
 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$", "IPC",
 143                                         opt_user_name, opt_workgroup,
 144                                         opt_password, strlen(opt_password));
 145
 146         if (NT_STATUS_IS_OK(nt_status)) {
 147                 return nt_status;
 148         } else {
 149                 DEBUG(0,("Cannot connect to server.  Error was %s\n",
 150                          get_nt_error_msg(nt_status)));
 151
 152                 /* Display a nicer message depending on the result */
 153
 154                 if (NT_STATUS_V(nt_status) ==
 155                     NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
 156                         d_printf("The username or password was not correct.\n");
 157
 158                 return nt_status;
 159         }
 160 }
 161
 162 /****************************************************************************
 163 connect to \\server\ipc$ 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);
 175
 176         if (NT_STATUS_IS_OK(nt_status)) {
 177                 return nt_status;
 178         } else {
 179                 DEBUG(0,("Cannot connect to server (anonymously).  Error was %s\n", get_nt_error_msg(nt_status)));
 180                 return nt_status;
 181         }
 182 }
 183
 184 static BOOL net_find_server(unsigned flags, struct in_addr *server_ip, char **server_name)
 185 {
 186
 187         if (opt_host) {
 188                 *server_name = strdup(opt_host);
 189         }
 190
 191         if (opt_have_ip) {
 192                 *server_ip = opt_dest_ip;
 193                 if (!*server_name) {
 194                         *server_name = strdup(inet_ntoa(opt_dest_ip));
 195                 }
 196         } else if (*server_name) {
 197                 /* resolve the IP address */
 198                 if (!resolve_name(*server_name, server_ip, 0x20))  {
 199                         DEBUG(1,("Unable to resolve server name\n"));
 200                         return False;
 201                 }
 202         } else if (flags & NET_FLAGS_PDC) {
 203                 struct in_addr *ip_list;
 204                 int addr_count;
 205                 if (get_dc_list(True /* PDC only*/, opt_target_workgroup, &ip_list, &addr_count)) {
 206                         fstring dc_name;
 207                         if (addr_count < 1) {
 208                                 return False;
 209                         }
 210
 211                         *server_ip = *ip_list;
 212
 213                         if (is_zero_ip(*server_ip))
 214                                 return False;
 215
 216                         if (!lookup_dc_name(global_myname, opt_target_workgroup, server_ip, dc_name))
 217                                 return False;
 218
 219                         *server_name = strdup(dc_name);
 220                 }
 221
 222         } else if (flags & NET_FLAGS_DMB) {
 223                 struct in_addr msbrow_ip;
 224                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1)) */
 225                 if (!resolve_name(opt_target_workgroup, &msbrow_ip, 0x1B))  {
 226                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 227                         return False;
 228                 } else {
 229                         *server_ip = msbrow_ip;
 230                 }
 231                 *server_name = strdup(inet_ntoa(opt_dest_ip));
 232         } else if (flags & NET_FLAGS_MASTER) {
 233                 struct in_addr brow_ips;
 234                 if (!resolve_name(opt_target_workgroup, &brow_ips, 0x1D))  {
 235                                 /* go looking for workgroups */
 236                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 237                         return False;
 238                 } else {
 239                         *server_ip = brow_ips;
 240                 }
 241                 *server_name = strdup(inet_ntoa(opt_dest_ip));
 242         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 243                 extern struct in_addr loopback_ip;
 244                 *server_ip = loopback_ip;
 245                 *server_name = strdup("127.0.0.1");
 246         }
 247
 248         if (!server_name || !*server_name) {
 249                 DEBUG(1,("no server to connect to\n"));
 250                 return False;
 251         }
 252
 253         return True;
 254 }
 255
 256
 257 BOOL net_find_dc(struct in_addr *server_ip, fstring server_name, char *domain_name)
 258 {
 259         struct in_addr *ip_list;
 260         int addr_count;
 261
 262         if (get_dc_list(True /* PDC only*/, domain_name, &ip_list, &addr_count)) {
 263                 fstring dc_name;
 264                 if (addr_count < 1) {
 265                         return False;
 266                 }
 267
 268                 *server_ip = *ip_list;
 269
 270                 if (is_zero_ip(*server_ip))
 271                         return False;
 272
 273                 if (!lookup_dc_name(global_myname, domain_name, server_ip, dc_name))
 274                         return False;
 275
 276                 safe_strcpy(server_name, dc_name, FSTRING_LEN);
 277                 return True;
 278         } else
 279                 return False;
 280 }
 281
 282
 283 struct cli_state *net_make_ipc_connection(unsigned flags)
 284 {
 285         char *server_name = NULL;
 286         struct in_addr server_ip;
 287         struct cli_state *cli = NULL;
 288         NTSTATUS nt_status;
 289
 290         if (!net_find_server(flags, &server_ip, &server_name)) {
 291                 d_printf("\nUnable to find a suitable server\n");
 292                 return NULL;
 293         }
 294
 295         if (flags & NET_FLAGS_ANONYMOUS) {
 296                 nt_status = connect_to_ipc_anonymous(&cli, &server_ip, server_name);
 297         } else {
 298                 nt_status = connect_to_ipc(&cli, &server_ip, server_name);
 299         }
 300         SAFE_FREE(server_name);
 301         return cli;
 302 }
 303
 304
 305 static int net_join(int argc, const char **argv)
 306 {
 307         if (lp_security() < SEC_DOMAIN) {
 308                 d_printf("Error: security setting must be DOMAIN or ADS to "\
 309                          "joing a domain\n\n");
 310                 return -1;
 311         }
 312         if (lp_security() == SEC_ADS) {
 313                 if (net_ads_join(argc, argv) == 0)
 314                         return 0;
 315                 else
 316                         d_printf("ADS join did not work, trying RPC...\n");
 317         }
 318         return net_rpc_join(argc, argv);
 319 }
 320
 321 static int net_usage(int argc, const char **argv)
 322 {
 323         d_printf("  net time\t\t to view or set time information\n"\
 324                  "  net lookup\t\t to lookup host name or ip address\n"\
 325                  "\n"\
 326                  "  net ads [command]\tto run ADS commands\n"\
 327                  "  net rap [command]\tto run RAP (pre-RPC) commands\n"\
 328                  "  net rpc [command]\tto run RPC commands\n"\
 329                  "\n"\
 330                  "Type \"net help <option>\" to get more information on that option\n");
 331         return -1;
 332 }
 333
 334 static int help_usage(int argc, const char **argv)
 335 {
 336         d_printf(
 337 "\n"\
 338 "Usage: net help <function>\n"\
 339 "\n"\
 340 "Valid functions are:\n"\
 341 "  RPC RAP ADS FILE SHARE SESSION SERVER DOMAIN PRINTQ USER GROUP VALIDATE\n"\
 342 "  GROUPMEMBER ADMIN SERVICE PASSWORD TIME LOOKUP\n");
 343         return -1;
 344 }
 345
 346 /*
 347   handle "net help *" subcommands
 348 */
 349 static int net_help(int argc, const char **argv)
 350 {
 351         struct functable func[] = {
 352                 {"ADS", net_ads_usage},
 353                 {"RAP", net_rap_help},
 354                 {"RPC", net_rpc_help},
 355
 356                 {"FILE", net_rap_file_usage},
 357                 {"SHARE", net_rap_share_usage},
 358                 {"SESSION", net_rap_session_usage},
 359                 {"SERVER", net_rap_server_usage},
 360                 {"DOMAIN", net_rap_domain_usage},
 361                 {"PRINTQ", net_rap_printq_usage},
 362                 {"USER", net_rap_user_usage},
 363                 {"GROUP", net_rap_group_usage},
 364                 {"VALIDATE", net_rap_validate_usage},
 365                 {"GROUPMEMBER", net_rap_groupmember_usage},
 366                 {"ADMIN", net_rap_admin_usage},
 367                 {"SERVICE", net_rap_service_usage},
 368                 {"PASSWORD", net_rap_password_usage},
 369                 {"TIME", net_time_usage},
 370                 {"LOOKUP", net_lookup_usage},
 371
 372                 {"HELP", help_usage},
 373                 {NULL, NULL}};
 374
 375         return net_run_function(argc, argv, func, net_usage);
 376 }
 377
 378 /* main function table */
 379 static struct functable net_func[] = {
 380         {"RPC", net_rpc},
 381         {"RAP", net_rap},
 382         {"ADS", net_ads},
 383
 384         /* eventually these should auto-choose the transport ... */
 385         {"FILE", net_rap_file},
 386         {"SHARE", net_rap_share},
 387         {"SESSION", net_rap_session},
 388         {"SERVER", net_rap_server},
 389         {"DOMAIN", net_rap_domain},
 390         {"PRINTQ", net_rap_printq},
 391         {"USER", net_rap_user},
 392         {"GROUP", net_rap_group},
 393         {"VALIDATE", net_rap_validate},
 394         {"GROUPMEMBER", net_rap_groupmember},
 395         {"ADMIN", net_rap_admin},
 396         {"SERVICE", net_rap_service},
 397         {"PASSWORD", net_rap_password},
 398         {"TIME", net_time},
 399         {"LOOKUP", net_lookup},
 400         {"JOIN", net_join},
 401
 402         {"HELP", net_help},
 403         {NULL, NULL}
 404 };
 405
 406
 407 /****************************************************************************
 408   main program
 409 ****************************************************************************/
 410  int main(int argc, const char **argv)
 411 {
 412         int opt,i;
 413         char *p;
 414         int rc = 0;
 415         int argc_new = 0;
 416         const char ** argv_new;
 417         poptContext pc;
 418         static char *servicesf = dyn_CONFIGFILE;
 419         static int debuglevel;
 420
 421         struct poptOption long_options[] = {
 422                 {"help",        'h', POPT_ARG_NONE,   0, 'h'},
 423                 {"workgroup",   'w', POPT_ARG_STRING, &opt_target_workgroup},
 424                 {"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
 425                 {"user",        'U', POPT_ARG_STRING, &opt_user_name, 'U'},
 426                 {"ipaddress",   'I', POPT_ARG_STRING, 0,'I'},
 427                 {"port",        'p', POPT_ARG_INT,    &opt_port},
 428                 {"myname",      'n', POPT_ARG_STRING, &opt_requester_name},
 429                 {"conf",        's', POPT_ARG_STRING, &servicesf},
 430                 {"debug",       'd', POPT_ARG_INT,    &debuglevel, 'd'},
 431                 {"debuglevel",  'd', POPT_ARG_INT,    &debuglevel, 'd'},
 432                 {"server",      'S', POPT_ARG_STRING, &opt_host},
 433                 {"comment",     'C', POPT_ARG_STRING, &opt_comment},
 434                 {"maxusers",    'M', POPT_ARG_INT,    &opt_maxusers},
 435                 {"flags",       'F', POPT_ARG_INT,    &opt_flags},
 436                 {"jobid",       'j', POPT_ARG_INT,    &opt_jobid},
 437                 {"long",        'l', POPT_ARG_NONE,   &opt_long_list_entries},
 438                 {"reboot",      'r', POPT_ARG_NONE,   &opt_reboot},
 439                 {"force",       'f', POPT_ARG_NONE,   &opt_force},
 440                 {"timeout",     't', POPT_ARG_INT,    &opt_timeout},
 441                 { 0, 0, 0, 0}
 442         };
 443
 444         got_pass = 0;
 445         zero_ip(&opt_dest_ip);
 446
 447         dbf = x_stderr;
 448
 449         pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
 450                             POPT_CONTEXT_KEEP_FIRST);
 451
 452         while((opt = poptGetNextOpt(pc)) != -1) {
 453                 switch (opt) {
 454                 case 'h':
 455                         net_usage(argc, argv);
 456                         exit(0);
 457                         break;
 458                 case 'I':
 459                         opt_dest_ip = *interpret_addr2(poptGetOptArg(pc));
 460                         if (is_zero_ip(opt_dest_ip))
 461                                 d_printf("\nInvalid ip address specified\n");
 462                         else
 463                                 opt_have_ip = True;
 464                         break;
 465                 case 'U':
 466                         opt_user_specified = True;
 467                         opt_user_name = strdup(opt_user_name);
 468                         p = strchr(opt_user_name,'%');
 469                         if (p) {
 470                                 *p = 0;
 471                                 opt_password = p+1;
 472                                 got_pass = 1;
 473                         }
 474                         break;
 475                 default:
 476                         d_printf("\nInvalid option %c (%d)\n", (char)opt, opt);
 477                         net_usage(argc, argv);
 478                 }
 479         }
 480
 481         lp_load(servicesf,True,False,False);
 482
 483         DEBUGLEVEL = debuglevel;
 484
 485         argv_new = (const char **)poptGetArgs(pc);
 486
 487         argc_new = argc;
 488         for (i=0; i<argc; i++) {
 489                 if (argv_new[i] == NULL) {
 490                         argc_new = i;
 491                         break;
 492                 }
 493         }
 494
 495         if (!opt_requester_name) {
 496                 static fstring myname;
 497                 get_myname(myname);
 498                 opt_requester_name = myname;
 499         }
 500
 501         if (!opt_user_name && getenv("LOGNAME")) {
 502                 opt_user_name = getenv("LOGNAME");
 503         }
 504
 505         if (!opt_workgroup) {
 506                 opt_workgroup = lp_workgroup();
 507         }
 508
 509         if (!opt_target_workgroup) {
 510                 opt_target_workgroup = lp_workgroup();
 511         }
 512
 513         if (!*global_myname) {
 514                 char *p2;
 515
 516                 fstrcpy(global_myname, myhostname());
 517                 p2 = strchr_m(global_myname, '.');
 518                 if (p2)
 519                         *p2 = 0;
 520         }
 521
 522         strupper(global_myname);
 523
 524         load_interfaces();
 525
 526         rc = net_run_function(argc_new-1, argv_new+1, net_func, net_usage);
 527
 528         DEBUG(2,("return code = %d\n", rc));
 529         return rc;
 530 }