source3/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 extern int optind, opterr, optopt;
  60
  61 /* Yes, these buggers are globals.... */
  62 char *opt_requester_name = NULL;
  63 char *opt_host = NULL;
  64 char *opt_password = NULL;
  65 char *opt_user_name = NULL;
  66 char *opt_workgroup = NULL;
  67 int opt_long_list_entries = 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 char *opt_target_workgroup = NULL;
  74
  75 static BOOL got_pass = False;
  76 static BOOL have_ip = False;
  77 static struct in_addr dest_ip;
  78
  79 extern pstring global_myname;
  80
  81 /*
  82   run a function from a function table. If not found then
  83   call the specified usage function
  84 */
  85 int net_run_function(int argc, const char **argv, struct functable *table,
  86                      int (*usage_fn)(int argc, const char **argv))
  87 {
  88         int i;
  89
  90         if (argc < 1) {
  91                 d_printf("\nUsage: \n");
  92                 return usage_fn(argc, argv);
  93         }
  94         for (i=0; table[i].funcname; i++) {
  95                 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
  96                         return table[i].fn(argc-1, argv+1);
  97         }
  98         d_printf("No command: %s\n", argv[0]);
  99         return usage_fn(argc, argv);
 100 }
 101
 102
 103 /****************************************************************************
 104 connect to \\server\ipc$
 105 ****************************************************************************/
 106 static struct cli_state *connect_to_ipc(struct in_addr *server_ip, const char *server_name)
 107 {
 108         struct cli_state *c;
 109         NTSTATUS nt_status;
 110
 111         if (!got_pass) {
 112                 char *pass = getpass("Password:");
 113                 if (pass) {
 114                         opt_password = strdup(pass);
 115                 }
 116         }
 117
 118         nt_status = cli_full_connection(&c, opt_requester_name, server_name,
 119                                         server_ip, opt_port,
 120                                         "IPC$", "IPC",
 121                                         opt_user_name, opt_workgroup,
 122                                         opt_password, strlen(opt_password));
 123
 124         if (NT_STATUS_IS_OK(nt_status)) {
 125                 return c;
 126         } else {
 127                 DEBUG(1,("Cannot connect to server.  Error was %s\n", get_nt_error_msg(nt_status)));
 128                 return NULL;
 129         }
 130 }
 131
 132 /****************************************************************************
 133 connect to \\server\ipc$ anonymously
 134 ****************************************************************************/
 135 static struct cli_state *connect_to_ipc_anonymous(struct in_addr *server_ip, const char *server_name)
 136 {
 137         struct cli_state *c;
 138         NTSTATUS nt_status;
 139
 140         nt_status = cli_full_connection(&c, opt_requester_name, server_name,
 141                                         server_ip, opt_port,
 142                                         "IPC$", "IPC",
 143                                         "", "",
 144                                         "", 0);
 145
 146         if (NT_STATUS_IS_OK(nt_status)) {
 147                 return c;
 148         } else {
 149                 DEBUG(1,("Cannot connect to server (anonymously).  Error was %s\n", get_nt_error_msg(nt_status)));
 150                 return NULL;
 151         }
 152 }
 153
 154 static BOOL net_find_server(unsigned flags, struct in_addr *server_ip, char **server_name)
 155 {
 156
 157         if (opt_host) {
 158                 *server_name = strdup(opt_host);
 159         }
 160
 161         if (have_ip) {
 162                 *server_ip = dest_ip;
 163                 if (!*server_name) {
 164                         *server_name = strdup(inet_ntoa(dest_ip));
 165                 }
 166         } else if (server_name) {
 167                 /* resolve the IP address */
 168                 if (!resolve_name(*server_name, server_ip, 0x20))  {
 169                         DEBUG(1,("Unable to resolve server name\n"));
 170                         return False;
 171                 }
 172         } else if (flags & NET_FLAGS_PDC) {
 173                 struct in_addr *ip_list;
 174                 int addr_count;
 175                 if (get_dc_list(True /* PDC only*/, opt_target_workgroup, &ip_list, &addr_count)) {
 176                         fstring dc_name;
 177                         if (addr_count < 1) {
 178                                 return False;
 179                         }
 180
 181                         *server_ip = *ip_list;
 182
 183                         if (is_zero_ip(*server_ip))
 184                                 return False;
 185
 186                         if (!lookup_dc_name(global_myname, opt_target_workgroup, server_ip, dc_name))
 187                                 return False;
 188
 189                         *server_name = strdup(dc_name);
 190                 }
 191
 192         } else if (flags & NET_FLAGS_DMB) {
 193                 struct in_addr msbrow_ip;
 194                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1)) */
 195                 if (!resolve_name(opt_target_workgroup, &msbrow_ip, 0x1B))  {
 196                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 197                         return False;
 198                 } else {
 199                         *server_ip = msbrow_ip;
 200                 }
 201                 *server_name = strdup(inet_ntoa(dest_ip));
 202         } else if (flags & NET_FLAGS_MASTER) {
 203                 struct in_addr brow_ips;
 204                 if (!resolve_name(opt_target_workgroup, &brow_ips, 0x1D))  {
 205                                 /* go looking for workgroups */
 206                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 207                         return False;
 208                 } else {
 209                         *server_ip = brow_ips;
 210                 }
 211                 *server_name = strdup(inet_ntoa(dest_ip));
 212         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 213                 extern struct in_addr loopback_ip;
 214                 *server_ip = loopback_ip;
 215                 *server_name = strdup("127.0.0.1");
 216         }
 217
 218         if (!server_name || !*server_name) {
 219                 DEBUG(1,("no server to connect to\n"));
 220                 return False;
 221         }
 222
 223         return True;
 224 }
 225
 226 struct cli_state *net_make_ipc_connection(unsigned flags)
 227 {
 228         char *server_name = NULL;
 229         struct in_addr server_ip;
 230         struct cli_state *cli;
 231
 232         if (!net_find_server(flags, &server_ip, &server_name)) {
 233                 d_printf("\nUnable to find a suitable server\n");
 234                 return NULL;
 235         }
 236
 237         if (flags & NET_FLAGS_ANONYMOUS) {
 238                 cli = connect_to_ipc_anonymous(&server_ip, server_name);
 239         } else {
 240                 cli = connect_to_ipc(&server_ip, server_name);
 241         }
 242         SAFE_FREE(server_name);
 243         if(!cli) {
 244                 d_printf("\nUnable to connect to target server\n");
 245                 return NULL;
 246         }
 247         return cli;
 248 }
 249
 250
 251 static int net_usage(int argc, const char **argv)
 252 {
 253         d_printf("  net ads [command]\tto run ADS commands\n"\
 254                  "  net rap [command]\tto run RAP (pre-RPC) commands\n"\
 255                  "  net rpc [command]\tto run RPC commands\n"\
 256                  "  net rap help\n"\
 257                  "\nType \"net help <option>\" to get more information on that option\n");
 258         return -1;
 259 }
 260
 261 static int help_usage(int argc, const char **argv)
 262 {
 263         d_printf("\n"\
 264 "Usage: net help <function>\n"\
 265 "\n"\
 266 "Valid functions are:\n"\
 267 "  RPC RAP ADS\n");
 268         return -1;
 269 }
 270
 271 /*
 272   handle "net help *" subcommands
 273 */
 274 static int net_help(int argc, const char **argv)
 275 {
 276         struct functable func[] = {
 277                 {"ADS", net_ads_usage},
 278                 {"RAP", net_rap_usage},
 279                 {"RPC", net_rpc_usage},
 280                 {"HELP", help_usage},
 281                 {NULL, NULL}};
 282
 283         return net_run_function(argc, argv, func, help_usage);
 284 }
 285
 286 /* main function table */
 287 static struct functable net_func[] = {
 288         {"RPC", net_rpc},
 289         {"RAP", net_rap},
 290         {"ADS", net_ads},
 291         {"HELP", net_help},
 292         {NULL, NULL}
 293 };
 294
 295
 296 /****************************************************************************
 297   main program
 298 ****************************************************************************/
 299  int main(int argc, const char **argv)
 300 {
 301         int opt,i;
 302         char *p;
 303         int rc = 0;
 304         int argc_new = 0;
 305         const char ** argv_new;
 306         poptContext pc;
 307         static char *servicesf = dyn_CONFIGFILE;
 308         static int debuglevel;
 309
 310         struct poptOption long_options[] = {
 311                 {"help",        'h', POPT_ARG_NONE,   0,     'h'},
 312                 {"workgroup",   'w', POPT_ARG_STRING, &opt_target_workgroup},
 313                 {"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
 314                 {"user",        'U', POPT_ARG_STRING, &opt_user_name, 'U'},
 315                 {"ipaddress",   'I', POPT_ARG_STRING, 0,     'I'},
 316                 {"port",        'p', POPT_ARG_INT,    &opt_port},
 317                 {"myname",      'n', POPT_ARG_STRING, &opt_requester_name},
 318                 {"conf",        's', POPT_ARG_STRING, &servicesf},
 319                 {"debug",       'd', POPT_ARG_INT,    &debuglevel, 'd'},
 320                 {"debuglevel",  'd', POPT_ARG_INT,    &debuglevel, 'd'},
 321                 {"server",      'S', POPT_ARG_STRING, &opt_host},
 322                 {"comment",     'C', POPT_ARG_STRING, &opt_comment},
 323                 {"maxusers",    'M', POPT_ARG_INT,    &opt_maxusers},
 324                 {"flags",       'F', POPT_ARG_INT,    &opt_flags},
 325                 {"jobid",       'j', POPT_ARG_INT,    &opt_jobid},
 326                 {"long",        'l', POPT_ARG_NONE,   &opt_long_list_entries},
 327                 { 0, 0, 0, 0}
 328         };
 329
 330         got_pass = 0;
 331         zero_ip(&dest_ip);
 332
 333         dbf = x_stdout;
 334
 335         pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
 336                             POPT_CONTEXT_KEEP_FIRST);
 337
 338         while((opt = poptGetNextOpt(pc)) != -1) {
 339                 switch (opt) {
 340                 case 'h':
 341                         net_usage(argc, argv);
 342                         exit(0);
 343                         break;
 344                 case 'I':
 345                         dest_ip = *interpret_addr2(poptGetOptArg(pc));
 346                         if (is_zero_ip(dest_ip))
 347                                 d_printf("\nInvalid ip address specified\n");
 348                         else
 349                                 have_ip = True;
 350                         break;
 351                 case 'U':
 352                         opt_user_name = strdup(opt_user_name);
 353                         p = strchr(opt_user_name,'%');
 354                         if (p) {
 355                                 *p = 0;
 356                                 opt_password = p+1;
 357                                 got_pass = 1;
 358                         }
 359                         break;
 360                 default:
 361                         d_printf("\nInvalid option %c (%d)\n", (char)opt, opt);
 362                         net_usage(argc, argv);
 363                 }
 364         }
 365
 366         DEBUGLEVEL = debuglevel;
 367
 368         lp_load(servicesf,True,False,False);
 369
 370         argv_new = (const char **)poptGetArgs(pc);
 371
 372         argc_new = argc;
 373         for (i=0; i<argc; i++) {
 374                 if (argv_new[i] == NULL) {
 375                         argc_new = i;
 376                         break;
 377                 }
 378         }
 379
 380         if (!opt_requester_name) {
 381                 static fstring myname;
 382                 get_myname(myname);
 383                 opt_requester_name = myname;
 384         }
 385
 386         if (!opt_user_name && getenv("LOGNAME")) {
 387                 opt_user_name = getenv("LOGNAME");
 388         }
 389
 390         if (!opt_workgroup) {
 391                 opt_workgroup = lp_workgroup();
 392         }
 393
 394         if (!opt_target_workgroup) {
 395                 opt_target_workgroup = lp_workgroup();
 396         }
 397
 398         if (!*global_myname) {
 399                 char *p2;
 400
 401                 fstrcpy(global_myname, myhostname());
 402                 p2 = strchr_m(global_myname, '.');
 403                 if (p2)
 404                         *p2 = 0;
 405         }
 406
 407         load_interfaces();
 408
 409         rc = net_run_function(argc_new-1, argv_new+1, net_func, net_usage);
 410
 411         DEBUG(2,("return code = %d\n", rc));
 412         return rc;
 413 }