source/utils/net_lookup.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    net lookup command
   4    Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 #include "includes.h"
  21 #include "../utils/net.h"
  22
  23 int net_lookup_usage(int argc, const char **argv)
  24 {
  25         d_printf(
  26 "net lookup host HOSTNAME <type>\n\tgives IP for a hostname\n\n"\
  27 "\n");
  28         return -1;
  29 }
  30
  31 /* lookup a hostname giving an IP */
  32 static int net_lookup_host(int argc, const char **argv)
  33 {
  34         struct in_addr ip;
  35         int name_type = 0x20;
  36
  37         if (argc == 0) return net_lookup_usage(argc, argv);
  38         if (argc > 1) name_type = strtol(argv[1], NULL, 0);
  39
  40         if (!resolve_name(argv[0], &ip, name_type)) {
  41                 /* we deliberately use DEBUG() here to send it to stderr
  42                    so scripts aren't mucked up */
  43                 DEBUG(0,("Didn't find %s#%02x\n", argv[0], name_type));
  44                 return -1;
  45         }
  46
  47         d_printf("%s\n", inet_ntoa(ip));
  48         return 0;
  49 }
  50
  51
  52 /* lookup hosts or IP addresses using internal samba lookup fns */
  53 int net_lookup(int argc, const char **argv)
  54 {
  55         struct functable func[] = {
  56                 {"HOST", net_lookup_host},
  57                 {NULL, NULL}
  58         };
  59
  60         return net_run_function(argc, argv, func, net_lookup_usage);
  61 }