source/utils/net_lookup.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    Version 3.0
   4    net lookup command
   5    Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #include "includes.h"
  22 #include "../utils/net.h"
  23
  24 int net_lookup_usage(int argc, const char **argv)
  25 {
  26         d_printf(
  27 "net lookup host HOSTNAME <type>\n\tgives IP for a hostname\n\n"\
  28 "\n");
  29         return -1;
  30 }
  31
  32 /* lookup a hostname giving an IP */
  33 static int net_lookup_host(int argc, const char **argv)
  34 {
  35         struct in_addr ip;
  36         int name_type = 0x20;
  37
  38         if (argc == 0) return net_lookup_usage(argc, argv);
  39         if (argc > 1) name_type = strtol(argv[1], NULL, 0);
  40
  41         if (!resolve_name(argv[0], &ip, name_type)) {
  42                 /* we deliberately use DEBUG() here to send it to stderr
  43                    so scripts aren't mucked up */
  44                 DEBUG(0,("Didn't find %s#%02x\n", argv[0], name_type));
  45                 return -1;
  46         }
  47
  48         d_printf("%s\n", inet_ntoa(ip));
  49         return 0;
  50 }
  51
  52
  53 /* lookup hosts or IP addresses using internal samba lookup fns */
  54 int net_lookup(int argc, const char **argv)
  55 {
  56         struct functable func[] = {
  57                 {"HOST", net_lookup_host},
  58                 {NULL, NULL}
  59         };
  60
  61         return net_run_function(argc, argv, func, net_lookup_usage);
  62 }