mdw@git.distorted.org.uk Git - adns/blob - client/fanftest.c

   1 /*
   2  * fanftest.c
   3  * - a small test program from Tony Finch
   4  */
   5 /*
   6  *  This file is
   7  *   Copyright (C) 1999 Tony Finch <dot@dotat.at>
   8  *   Copyright (C) 1999-2000 Ian Jackson <ian@davenant.greenend.org.uk>
   9  *
  10  *  It is part of adns, which is
  11  *    Copyright (C) 1997-2000,2003,2006,2014  Ian Jackson
  12  *    Copyright (C) 2014  Mark Wooding
  13  *    Copyright (C) 1999-2000,2003,2006  Tony Finch
  14  *    Copyright (C) 1991 Massachusetts Institute of Technology
  15  *  (See the file INSTALL for full details.)
  16  *
  17  *  This program is free software; you can redistribute it and/or modify
  18  *  it under the terms of the GNU General Public License as published by
  19  *  the Free Software Foundation; either version 3, or (at your option)
  20  *  any later version.
  21  *
  22  *  This program is distributed in the hope that it will be useful,
  23  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  *  GNU General Public License for more details.
  26  *
  27  *  You should have received a copy of the GNU General Public License
  28  *  along with this program; if not, write to the Free Software Foundation.
  29  *
  30  * This version was originally supplied by Tony Finch, but has been
  31  * modified by Ian Jackson as it was incorporated into adns.
  32  */
  33
  34 static const char * const cvsid =
  35         "$Id$";
  36
  37 #include <sys/types.h>
  38 #include <sys/time.h>
  39
  40 #include <string.h>
  41 #include <stdlib.h>
  42 #include <stdio.h>
  43 #include <errno.h>
  44
  45 #include "config.h"
  46 #include "adns.h"
  47
  48 static const char *progname;
  49
  50 static void aargh(const char *msg) {
  51   fprintf(stderr, "%s: %s: %s (%d)\n", progname, msg,
  52           strerror(errno) ? strerror(errno) : "Unknown error", errno);
  53   exit(1);
  54 }
  55
  56 int main(int argc, char *argv[]) {
  57   adns_state adns;
  58   adns_query query;
  59   adns_answer *answer;
  60
  61   progname= strrchr(*argv, '/');
  62   if (progname)
  63     progname++;
  64   else
  65     progname= *argv;
  66
  67   if (argc != 2) {
  68     fprintf(stderr, "usage: %s <domain>\n", progname);
  69     exit(1);
  70   }
  71
  72   errno= adns_init(&adns, adns_if_debug, 0);
  73   if (errno) aargh("adns_init");
  74
  75   errno= adns_submit(adns, argv[1], adns_r_ptr,
  76                      adns_qf_quoteok_cname|adns_qf_cname_loose,
  77                      NULL, &query);
  78   if (errno) aargh("adns_submit");
  79
  80   errno= adns_wait(adns, &query, &answer, NULL);
  81   if (errno) aargh("adns_init");
  82
  83   printf("%s\n", answer->status == adns_s_ok ? *answer->rrs.str : "dunno");
  84
  85   adns_finish(adns);
  86
  87   return 0;
  88 }