source/utils/net.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    Version 3.0
   4    Distributed SMB/CIFS Server Management Utility
   5    Copyright (C) 2001 Steve French  (sfrench@us.ibm.com)
   6    Copyright (C) 2001 Jim McDonough (jmcd@us.ibm.com)
   7    Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
   8    Copyright (C) 2001 Andrew Bartlett (abartlet@samba.org)
   9
  10    Originally written by Steve and Jim. Largely rewritten by tridge in
  11    November 2001.
  12
  13    Reworked again by abartlet in December 2001
  14
  15    This program is free software; you can redistribute it and/or modify
  16    it under the terms of the GNU General Public License as published by
  17    the Free Software Foundation; either version 2 of the License, or
  18    (at your option) any later version.
  19
  20    This program is distributed in the hope that it will be useful,
  21    but WITHOUT ANY WARRANTY; without even the implied warranty of
  22    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23    GNU General Public License for more details.
  24
  25    You should have received a copy of the GNU General Public License
  26    along with this program; if not, write to the Free Software
  27    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  28
  29 /*****************************************************/
  30 /*                                                   */
  31 /*   Distributed SMB/CIFS Server Management Utility  */
  32 /*                                                   */
  33 /*   The intent was to make the syntax similar       */
  34 /*   to the NET utility (first developed in DOS      */
  35 /*   with additional interesting & useful functions  */
  36 /*   added in later SMB server network operating     */
  37 /*   systems).                                       */
  38 /*                                                   */
  39 /*****************************************************/
  40
  41 #include "includes.h"
  42 #include "../utils/net.h"
  43
  44 /***********************************************************************/
  45 /* Beginning of internationalization section.  Translatable constants  */
  46 /* should be kept in this area and referenced in the rest of the code. */
  47 /*                                                                     */
  48 /* No functions, outside of Samba or LSB (Linux Standards Base) should */
  49 /* be used (if possible).                                              */
  50 /***********************************************************************/
  51
  52 #define YES_STRING              "Yes"
  53 #define NO_STRING               "No"
  54
  55 /************************************************************************************/
  56 /*                       end of internationalization section                        */
  57 /************************************************************************************/
  58
  59 /* Yes, these buggers are globals.... */
  60 char *opt_requester_name = NULL;
  61 char *opt_host = NULL;
  62 char *opt_password = NULL;
  63 char *opt_user_name = NULL;
  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 /*
  83   run a function from a function table. If not found then
  84   call the specified usage function
  85 */
  86 int net_run_function(int argc, const char **argv, struct functable *table,
  87                      int (*usage_fn)(int argc, const char **argv))
  88 {
  89         int i;
  90
  91         if (argc < 1) {
  92                 d_printf("\nUsage: \n");
  93                 return usage_fn(argc, argv);
  94         }
  95         for (i=0; table[i].funcname; i++) {
  96                 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
  97                         return table[i].fn(argc-1, argv+1);
  98         }
  99         d_printf("No command: %s\n", argv[0]);
 100         return usage_fn(argc, argv);
 101 }
 102
 103
 104 /****************************************************************************
 105 connect to \\server\ipc$
 106 ****************************************************************************/
 107 static struct cli_state *connect_to_ipc(struct in_addr *server_ip, const char *server_name)
 108 {
 109         struct cli_state *c;
 110         NTSTATUS nt_status;
 111
 112         if (!got_pass) {
 113                 char *pass = getpass("Password:");
 114                 if (pass) {
 115                         opt_password = strdup(pass);
 116                 }
 117         }
 118
 119         nt_status = cli_full_connection(&c, opt_requester_name, server_name,
 120                                         server_ip, opt_port,
 121                                         "IPC$", "IPC",
 122                                         opt_user_name, opt_workgroup,
 123                                         opt_password, strlen(opt_password));
 124
 125         if (NT_STATUS_IS_OK(nt_status)) {
 126                 return c;
 127         } else {
 128                 DEBUG(0,("Cannot connect to server.  Error was %s\n",
 129                          get_nt_error_msg(nt_status)));
 130
 131                 /* Display a nicer message depending on the result */
 132
 133                 if (NT_STATUS_V(nt_status) ==
 134                     NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
 135                         d_printf("The username or password was not correct.\n");
 136
 137                 return NULL;
 138         }
 139 }
 140
 141 /****************************************************************************
 142 connect to \\server\ipc$ anonymously
 143 ****************************************************************************/
 144 static struct cli_state *connect_to_ipc_anonymous(struct in_addr *server_ip, const char *server_name)
 145 {
 146         struct cli_state *c;
 147         NTSTATUS nt_status;
 148
 149         nt_status = cli_full_connection(&c, opt_requester_name, server_name,
 150                                         server_ip, opt_port,
 151                                         "IPC$", "IPC",
 152                                         "", "",
 153                                         "", 0);
 154
 155         if (NT_STATUS_IS_OK(nt_status)) {
 156                 return c;
 157         } else {
 158                 DEBUG(0,("Cannot connect to server (anonymously).  Error was %s\n", get_nt_error_msg(nt_status)));
 159                 return NULL;
 160         }
 161 }
 162
 163 static BOOL net_find_server(unsigned flags, struct in_addr *server_ip, char **server_name)
 164 {
 165
 166         if (opt_host) {
 167                 *server_name = strdup(opt_host);
 168         }
 169
 170         if (opt_have_ip) {
 171                 *server_ip = opt_dest_ip;
 172                 if (!*server_name) {
 173                         *server_name = strdup(inet_ntoa(opt_dest_ip));
 174                 }
 175         } else if (*server_name) {
 176                 /* resolve the IP address */
 177                 if (!resolve_name(*server_name, server_ip, 0x20))  {
 178                         DEBUG(1,("Unable to resolve server name\n"));
 179                         return False;
 180                 }
 181         } else if (flags & NET_FLAGS_PDC) {
 182                 struct in_addr *ip_list;
 183                 int addr_count;
 184                 if (get_dc_list(True /* PDC only*/, opt_target_workgroup, &ip_list, &addr_count)) {
 185                         fstring dc_name;
 186                         if (addr_count < 1) {
 187                                 return False;
 188                         }
 189
 190                         *server_ip = *ip_list;
 191
 192                         if (is_zero_ip(*server_ip))
 193                                 return False;
 194
 195                         if (!lookup_dc_name(global_myname, opt_target_workgroup, server_ip, dc_name))
 196                                 return False;
 197
 198                         *server_name = strdup(dc_name);
 199                 }
 200
 201         } else if (flags & NET_FLAGS_DMB) {
 202                 struct in_addr msbrow_ip;
 203                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1)) */
 204                 if (!resolve_name(opt_target_workgroup, &msbrow_ip, 0x1B))  {
 205                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 206                         return False;
 207                 } else {
 208                         *server_ip = msbrow_ip;
 209                 }
 210                 *server_name = strdup(inet_ntoa(opt_dest_ip));
 211         } else if (flags & NET_FLAGS_MASTER) {
 212                 struct in_addr brow_ips;
 213                 if (!resolve_name(opt_target_workgroup, &brow_ips, 0x1D))  {
 214                                 /* go looking for workgroups */
 215                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 216                         return False;
 217                 } else {
 218                         *server_ip = brow_ips;
 219                 }
 220                 *server_name = strdup(inet_ntoa(opt_dest_ip));
 221         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 222                 extern struct in_addr loopback_ip;
 223                 *server_ip = loopback_ip;
 224                 *server_name = strdup("127.0.0.1");
 225         }
 226
 227         if (!server_name || !*server_name) {
 228                 DEBUG(1,("no server to connect to\n"));
 229                 return False;
 230         }
 231
 232         return True;
 233 }
 234
 235 struct cli_state *net_make_ipc_connection(unsigned flags)
 236 {
 237         char *server_name = NULL;
 238         struct in_addr server_ip;
 239         struct cli_state *cli;
 240
 241         if (!net_find_server(flags, &server_ip, &server_name)) {
 242                 d_printf("\nUnable to find a suitable server\n");
 243                 return NULL;
 244         }
 245
 246         if (flags & NET_FLAGS_ANONYMOUS) {
 247                 cli = connect_to_ipc_anonymous(&server_ip, server_name);
 248         } else {
 249                 cli = connect_to_ipc(&server_ip, server_name);
 250         }
 251         SAFE_FREE(server_name);
 252         return cli;
 253 }
 254
 255
 256 static int net_usage(int argc, const char **argv)
 257 {
 258         d_printf("  net ads [command]\tto run ADS commands\n"\
 259                  "  net rap [command]\tto run RAP (pre-RPC) commands\n"\
 260                  "  net rpc [command]\tto run RPC commands\n"\
 261                  "  net rap help\n"\
 262                  "\nType \"net help <option>\" to get more information on that option\n");
 263         return -1;
 264 }
 265
 266 static int help_usage(int argc, const char **argv)
 267 {
 268         d_printf(
 269 "\n"\
 270 "Usage: net help <function>\n"\
 271 "\n"\
 272 "Valid functions are:\n"\
 273 "  RPC RAP ADS FILE SHARE SESSION SERVER DOMAIN PRINTQ USER GROUP VALIDATE\n"\
 274 "  GROUPMEMBER ADMIN SERVICE PASSWORD TIME LOOKUP\n");
 275         return -1;
 276 }
 277
 278 /*
 279   handle "net help *" subcommands
 280 */
 281 static int net_help(int argc, const char **argv)
 282 {
 283         struct functable func[] = {
 284                 {"ADS", net_ads_usage},
 285                 {"RAP", net_rap_usage},
 286                 {"RPC", net_rpc_usage},
 287
 288                 {"FILE", net_rap_file_usage},
 289                 {"SHARE", net_rap_share_usage},
 290                 {"SESSION", net_rap_session_usage},
 291                 {"SERVER", net_rap_server_usage},
 292                 {"DOMAIN", net_rap_domain_usage},
 293                 {"PRINTQ", net_rap_printq_usage},
 294                 {"USER", net_rap_user_usage},
 295                 {"GROUP", net_rap_group_usage},
 296                 {"VALIDATE", net_rap_validate_usage},
 297                 {"GROUPMEMBER", net_rap_groupmember_usage},
 298                 {"ADMIN", net_rap_admin_usage},
 299                 {"SERVICE", net_rap_service_usage},
 300                 {"PASSWORD", net_rap_password_usage},
 301                 {"TIME", net_time_usage},
 302                 {"LOOKUP", net_lookup_usage},
 303
 304                 {"HELP", help_usage},
 305                 {NULL, NULL}};
 306
 307         return net_run_function(argc, argv, func, help_usage);
 308 }
 309
 310 /* main function table */
 311 static struct functable net_func[] = {
 312         {"RPC", net_rpc},
 313         {"RAP", net_rap},
 314         {"ADS", net_ads},
 315
 316         /* eventually these should auto-choose the transport ... */
 317         {"FILE", net_rap_file},
 318         {"SHARE", net_rap_share},
 319         {"SESSION", net_rap_session},
 320         {"SERVER", net_rap_server},
 321         {"DOMAIN", net_rap_domain},
 322         {"PRINTQ", net_rap_printq},
 323         {"USER", net_rap_user},
 324         {"GROUP", net_rap_group},
 325         {"VALIDATE", net_rap_validate},
 326         {"GROUPMEMBER", net_rap_groupmember},
 327         {"ADMIN", net_rap_admin},
 328         {"SERVICE", net_rap_service},
 329         {"PASSWORD", net_rap_password},
 330         {"TIME", net_time},
 331         {"LOOKUP", net_lookup},
 332
 333         {"HELP", net_help},
 334         {NULL, NULL}
 335 };
 336
 337
 338 /****************************************************************************
 339   main program
 340 ****************************************************************************/
 341  int main(int argc, const char **argv)
 342 {
 343         int opt,i;
 344         char *p;
 345         int rc = 0;
 346         int argc_new = 0;
 347         const char ** argv_new;
 348         poptContext pc;
 349         static char *servicesf = dyn_CONFIGFILE;
 350         static int debuglevel;
 351
 352         struct poptOption long_options[] = {
 353                 {"help",        'h', POPT_ARG_NONE,   0,     'h'},
 354                 {"workgroup",   'w', POPT_ARG_STRING, &opt_target_workgroup},
 355                 {"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
 356                 {"user",        'U', POPT_ARG_STRING, &opt_user_name, 'U'},
 357                 {"ipaddress",   'I', POPT_ARG_STRING, 0,     'I'},
 358                 {"port",        'p', POPT_ARG_INT,    &opt_port},
 359                 {"myname",      'n', POPT_ARG_STRING, &opt_requester_name},
 360                 {"conf",        's', POPT_ARG_STRING, &servicesf},
 361                 {"debug",       'd', POPT_ARG_INT,    &debuglevel, 'd'},
 362                 {"debuglevel",  'd', POPT_ARG_INT,    &debuglevel, 'd'},
 363                 {"server",      'S', POPT_ARG_STRING, &opt_host},
 364                 {"comment",     'C', POPT_ARG_STRING, &opt_comment},
 365                 {"maxusers",    'M', POPT_ARG_INT,    &opt_maxusers},
 366                 {"flags",       'F', POPT_ARG_INT,    &opt_flags},
 367                 {"jobid",       'j', POPT_ARG_INT,    &opt_jobid},
 368                 {"long",        'l', POPT_ARG_NONE,   &opt_long_list_entries},
 369                 {"reboot",        'r', POPT_ARG_NONE,   &opt_reboot},
 370                 {"force",        'f', POPT_ARG_NONE,   &opt_force},
 371                 {"timeout",       't', POPT_ARG_INT,    &opt_timeout},
 372                 { 0, 0, 0, 0}
 373         };
 374
 375         got_pass = 0;
 376         zero_ip(&opt_dest_ip);
 377
 378         dbf = x_stderr;
 379
 380         pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
 381                             POPT_CONTEXT_KEEP_FIRST);
 382
 383         while((opt = poptGetNextOpt(pc)) != -1) {
 384                 switch (opt) {
 385                 case 'h':
 386                         net_usage(argc, argv);
 387                         exit(0);
 388                         break;
 389                 case 'I':
 390                         opt_dest_ip = *interpret_addr2(poptGetOptArg(pc));
 391                         if (is_zero_ip(opt_dest_ip))
 392                                 d_printf("\nInvalid ip address specified\n");
 393                         else
 394                                 opt_have_ip = True;
 395                         break;
 396                 case 'U':
 397                         opt_user_name = strdup(opt_user_name);
 398                         p = strchr(opt_user_name,'%');
 399                         if (p) {
 400                                 *p = 0;
 401                                 opt_password = p+1;
 402                                 got_pass = 1;
 403                         }
 404                         break;
 405                 default:
 406                         d_printf("\nInvalid option %c (%d)\n", (char)opt, opt);
 407                         net_usage(argc, argv);
 408                 }
 409         }
 410
 411         lp_load(servicesf,True,False,False);
 412
 413         DEBUGLEVEL = debuglevel;
 414
 415         argv_new = (const char **)poptGetArgs(pc);
 416
 417         argc_new = argc;
 418         for (i=0; i<argc; i++) {
 419                 if (argv_new[i] == NULL) {
 420                         argc_new = i;
 421                         break;
 422                 }
 423         }
 424
 425         if (!opt_requester_name) {
 426                 static fstring myname;
 427                 get_myname(myname);
 428                 opt_requester_name = myname;
 429         }
 430
 431         if (!opt_user_name && getenv("LOGNAME")) {
 432                 opt_user_name = getenv("LOGNAME");
 433         }
 434
 435         if (!opt_workgroup) {
 436                 opt_workgroup = lp_workgroup();
 437         }
 438
 439         if (!opt_target_workgroup) {
 440                 opt_target_workgroup = lp_workgroup();
 441         }
 442
 443         if (!*global_myname) {
 444                 char *p2;
 445
 446                 fstrcpy(global_myname, myhostname());
 447                 p2 = strchr_m(global_myname, '.');
 448                 if (p2)
 449                         *p2 = 0;
 450         }
 451
 452         strupper(global_myname);
 453
 454         load_interfaces();
 455
 456         rc = net_run_function(argc_new-1, argv_new+1, net_func, net_usage);
 457
 458         DEBUG(2,("return code = %d\n", rc));
 459         return rc;
 460 }