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 /* 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_port = 0;
  67 int opt_maxusers = -1;
  68 char *opt_comment = "";
  69 int opt_flags = -1;
  70 int opt_jobid = 0;
  71 char *opt_target_workgroup = NULL;
  72
  73 static BOOL got_pass = False;
  74 static BOOL have_ip = False;
  75 static struct in_addr dest_ip;
  76
  77 extern pstring global_myname;
  78
  79 /*
  80   run a function from a function table. If not found then
  81   call the specified usage function
  82 */
  83 int net_run_function(int argc, const char **argv, struct functable *table,
  84                      int (*usage_fn)(int argc, const char **argv))
  85 {
  86         int i;
  87
  88         if (argc < 1) {
  89                 d_printf("\nUsage: \n");
  90                 return usage_fn(argc, argv);
  91         }
  92         for (i=0; table[i].funcname; i++) {
  93                 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
  94                         return table[i].fn(argc-1, argv+1);
  95         }
  96         d_printf("No command: %s\n", argv[0]);
  97         return usage_fn(argc, argv);
  98 }
  99
 100
 101 /****************************************************************************
 102 connect to \\server\ipc$
 103 ****************************************************************************/
 104 static struct cli_state *connect_to_ipc(struct in_addr *server_ip, const char *server_name)
 105 {
 106         struct cli_state *c;
 107         NTSTATUS nt_status;
 108
 109         if (!got_pass) {
 110                 char *pass = getpass("Password:");
 111                 if (pass) {
 112                         opt_password = strdup(pass);
 113                 }
 114         }
 115
 116         nt_status = cli_full_connection(&c, opt_requester_name, server_name,
 117                                         server_ip, opt_port,
 118                                         "IPC$", "IPC",
 119                                         opt_user_name, opt_workgroup,
 120                                         opt_password, strlen(opt_password));
 121
 122         if (NT_STATUS_IS_OK(nt_status)) {
 123                 return c;
 124         } else {
 125                 DEBUG(1,("Cannot connect to server.  Error was %s\n", get_nt_error_msg(nt_status)));
 126                 return NULL;
 127         }
 128 }
 129
 130 /****************************************************************************
 131 connect to \\server\ipc$ anonymously
 132 ****************************************************************************/
 133 static struct cli_state *connect_to_ipc_anonymous(struct in_addr *server_ip, const char *server_name)
 134 {
 135         struct cli_state *c;
 136         NTSTATUS nt_status;
 137
 138         nt_status = cli_full_connection(&c, opt_requester_name, server_name,
 139                                         server_ip, opt_port,
 140                                         "IPC$", "IPC",
 141                                         "", "",
 142                                         "", 0);
 143
 144         if (NT_STATUS_IS_OK(nt_status)) {
 145                 return c;
 146         } else {
 147                 DEBUG(1,("Cannot connect to server (anonymously).  Error was %s\n", get_nt_error_msg(nt_status)));
 148                 return NULL;
 149         }
 150 }
 151
 152 static BOOL net_find_server(unsigned flags, struct in_addr *server_ip, char **server_name)
 153 {
 154
 155         if (opt_host) {
 156                 *server_name = strdup(opt_host);
 157         }
 158
 159         if (have_ip) {
 160                 *server_ip = dest_ip;
 161                 if (!*server_name) {
 162                         *server_name = strdup(inet_ntoa(dest_ip));
 163                 }
 164         } else if (*server_name) {
 165                 /* resolve the IP address */
 166                 if (!resolve_name(*server_name, server_ip, 0x20))  {
 167                         DEBUG(1,("Unable to resolve server name\n"));
 168                         return False;
 169                 }
 170         } else if (flags & NET_FLAGS_PDC) {
 171                 struct in_addr *ip_list;
 172                 int addr_count;
 173                 if (get_dc_list(True /* PDC only*/, opt_target_workgroup, &ip_list, &addr_count)) {
 174                         fstring dc_name;
 175                         if (addr_count < 1) {
 176                                 return False;
 177                         }
 178
 179                         *server_ip = *ip_list;
 180
 181                         if (is_zero_ip(*server_ip))
 182                                 return False;
 183
 184                         if (!lookup_dc_name(global_myname, opt_target_workgroup, server_ip, dc_name))
 185                                 return False;
 186
 187                         *server_name = strdup(dc_name);
 188                 }
 189
 190         } else if (flags & NET_FLAGS_DMB) {
 191                 struct in_addr msbrow_ip;
 192                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1)) */
 193                 if (!resolve_name(opt_target_workgroup, &msbrow_ip, 0x1B))  {
 194                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 195                         return False;
 196                 } else {
 197                         *server_ip = msbrow_ip;
 198                 }
 199                 *server_name = strdup(inet_ntoa(dest_ip));
 200         } else if (flags & NET_FLAGS_MASTER) {
 201                 struct in_addr brow_ips;
 202                 if (!resolve_name(opt_target_workgroup, &brow_ips, 0x1D))  {
 203                                 /* go looking for workgroups */
 204                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 205                         return False;
 206                 } else {
 207                         *server_ip = brow_ips;
 208                 }
 209                 *server_name = strdup(inet_ntoa(dest_ip));
 210         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 211                 extern struct in_addr loopback_ip;
 212                 *server_ip = loopback_ip;
 213                 *server_name = strdup("127.0.0.1");
 214         }
 215
 216         if (!server_name || !*server_name) {
 217                 DEBUG(1,("no server to connect to\n"));
 218                 return False;
 219         }
 220
 221         return True;
 222 }
 223
 224 struct cli_state *net_make_ipc_connection(unsigned flags)
 225 {
 226         char *server_name = NULL;
 227         struct in_addr server_ip;
 228         struct cli_state *cli;
 229
 230         if (!net_find_server(flags, &server_ip, &server_name)) {
 231                 d_printf("\nUnable to find a suitable server\n");
 232                 return NULL;
 233         }
 234
 235         if (flags & NET_FLAGS_ANONYMOUS) {
 236                 cli = connect_to_ipc_anonymous(&server_ip, server_name);
 237         } else {
 238                 cli = connect_to_ipc(&server_ip, server_name);
 239         }
 240         SAFE_FREE(server_name);
 241         if(!cli) {
 242                 d_printf("\nUnable to connect to target server\n");
 243                 return NULL;
 244         }
 245         return cli;
 246 }
 247
 248
 249 static int net_usage(int argc, const char **argv)
 250 {
 251         d_printf("  net ads [command]\tto run ADS commands\n"\
 252                  "  net rap [command]\tto run RAP (pre-RPC) commands\n"\
 253                  "  net rpc [command]\tto run RPC commands\n"\
 254                  "  net rap help\n"\
 255                  "\nType \"net help <option>\" to get more information on that option\n");
 256         return -1;
 257 }
 258
 259 static int help_usage(int argc, const char **argv)
 260 {
 261         d_printf(
 262 "\n"\
 263 "Usage: net help <function>\n"\
 264 "\n"\
 265 "Valid functions are:\n"\
 266 "  RPC RAP ADS FILE SHARE SESSION SERVER DOMAIN PRINTQ USER GROUP VALIDATE\n"\
 267 "  GROUPMEMBER ADMIN SERVICE PASSWORD\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
 281                 {"FILE", net_rap_file_usage},
 282                 {"SHARE", net_rap_share_usage},
 283                 {"SESSION", net_rap_session_usage},
 284                 {"SERVER", net_rap_server_usage},
 285                 {"DOMAIN", net_rap_domain_usage},
 286                 {"PRINTQ", net_rap_printq_usage},
 287                 {"USER", net_rap_user_usage},
 288                 {"GROUP", net_rap_group_usage},
 289                 {"VALIDATE", net_rap_validate_usage},
 290                 {"GROUPMEMBER", net_rap_groupmember_usage},
 291                 {"ADMIN", net_rap_admin_usage},
 292                 {"SERVICE", net_rap_service_usage},
 293                 {"PASSWORD", net_rap_password_usage},
 294
 295                 {"HELP", help_usage},
 296                 {NULL, NULL}};
 297
 298         return net_run_function(argc, argv, func, help_usage);
 299 }
 300
 301 /* main function table */
 302 static struct functable net_func[] = {
 303         {"RPC", net_rpc},
 304         {"RAP", net_rap},
 305         {"ADS", net_ads},
 306
 307         /* eventually these should auto-choose the transport ... */
 308         {"FILE", net_rap_file},
 309         {"SHARE", net_rap_share},
 310         {"SESSION", net_rap_session},
 311         {"SERVER", net_rap_server},
 312         {"DOMAIN", net_rap_domain},
 313         {"PRINTQ", net_rap_printq},
 314         {"USER", net_rap_user},
 315         {"GROUP", net_rap_group},
 316         {"VALIDATE", net_rap_validate},
 317         {"GROUPMEMBER", net_rap_groupmember},
 318         {"ADMIN", net_rap_admin},
 319         {"SERVICE", net_rap_service},
 320         {"PASSWORD", net_rap_password},
 321
 322         {"HELP", net_help},
 323         {NULL, NULL}
 324 };
 325
 326
 327 /****************************************************************************
 328   main program
 329 ****************************************************************************/
 330  int main(int argc, const char **argv)
 331 {
 332         int opt,i;
 333         char *p;
 334         int rc = 0;
 335         int argc_new = 0;
 336         const char ** argv_new;
 337         poptContext pc;
 338         static char *servicesf = dyn_CONFIGFILE;
 339         static int debuglevel;
 340
 341         struct poptOption long_options[] = {
 342                 {"help",        'h', POPT_ARG_NONE,   0,     'h'},
 343                 {"workgroup",   'w', POPT_ARG_STRING, &opt_target_workgroup},
 344                 {"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
 345                 {"user",        'U', POPT_ARG_STRING, &opt_user_name, 'U'},
 346                 {"ipaddress",   'I', POPT_ARG_STRING, 0,     'I'},
 347                 {"port",        'p', POPT_ARG_INT,    &opt_port},
 348                 {"myname",      'n', POPT_ARG_STRING, &opt_requester_name},
 349                 {"conf",        's', POPT_ARG_STRING, &servicesf},
 350                 {"debug",       'd', POPT_ARG_INT,    &debuglevel, 'd'},
 351                 {"debuglevel",  'd', POPT_ARG_INT,    &debuglevel, 'd'},
 352                 {"server",      'S', POPT_ARG_STRING, &opt_host},
 353                 {"comment",     'C', POPT_ARG_STRING, &opt_comment},
 354                 {"maxusers",    'M', POPT_ARG_INT,    &opt_maxusers},
 355                 {"flags",       'F', POPT_ARG_INT,    &opt_flags},
 356                 {"jobid",       'j', POPT_ARG_INT,    &opt_jobid},
 357                 {"long",        'l', POPT_ARG_NONE,   &opt_long_list_entries},
 358                 { 0, 0, 0, 0}
 359         };
 360
 361         got_pass = 0;
 362         zero_ip(&dest_ip);
 363
 364         dbf = x_stdout;
 365
 366         pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
 367                             POPT_CONTEXT_KEEP_FIRST);
 368
 369         while((opt = poptGetNextOpt(pc)) != -1) {
 370                 switch (opt) {
 371                 case 'h':
 372                         net_usage(argc, argv);
 373                         exit(0);
 374                         break;
 375                 case 'I':
 376                         dest_ip = *interpret_addr2(poptGetOptArg(pc));
 377                         if (is_zero_ip(dest_ip))
 378                                 d_printf("\nInvalid ip address specified\n");
 379                         else
 380                                 have_ip = True;
 381                         break;
 382                 case 'U':
 383                         opt_user_name = strdup(opt_user_name);
 384                         p = strchr(opt_user_name,'%');
 385                         if (p) {
 386                                 *p = 0;
 387                                 opt_password = p+1;
 388                                 got_pass = 1;
 389                         }
 390                         break;
 391                 default:
 392                         d_printf("\nInvalid option %c (%d)\n", (char)opt, opt);
 393                         net_usage(argc, argv);
 394                 }
 395         }
 396
 397         DEBUGLEVEL = debuglevel;
 398
 399         lp_load(servicesf,True,False,False);
 400
 401         argv_new = (const char **)poptGetArgs(pc);
 402
 403         argc_new = argc;
 404         for (i=0; i<argc; i++) {
 405                 if (argv_new[i] == NULL) {
 406                         argc_new = i;
 407                         break;
 408                 }
 409         }
 410
 411         if (!opt_requester_name) {
 412                 static fstring myname;
 413                 get_myname(myname);
 414                 opt_requester_name = myname;
 415         }
 416
 417         if (!opt_user_name && getenv("LOGNAME")) {
 418                 opt_user_name = getenv("LOGNAME");
 419         }
 420
 421         if (!opt_workgroup) {
 422                 opt_workgroup = lp_workgroup();
 423         }
 424
 425         if (!opt_target_workgroup) {
 426                 opt_target_workgroup = lp_workgroup();
 427         }
 428
 429         if (!*global_myname) {
 430                 char *p2;
 431
 432                 fstrcpy(global_myname, myhostname());
 433                 p2 = strchr_m(global_myname, '.');
 434                 if (p2)
 435                         *p2 = 0;
 436         }
 437
 438         strupper(global_myname);
 439
 440         load_interfaces();
 441
 442         rc = net_run_function(argc_new-1, argv_new+1, net_func, net_usage);
 443
 444         DEBUG(2,("return code = %d\n", rc));
 445         return rc;
 446 }