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