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

   1 /*
   2  * dtest.c
   3  * - simple test program, not part of the library
   4  */
   5 /*
   6  *  This file is part of adns, which is Copyright (C) 1997, 1998 Ian Jackson
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2, or (at your option)
  11  *  any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software Foundation,
  20  *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22
  23 #include <stdio.h>
  24 #include <unistd.h>
  25 #include <assert.h>
  26 #include <stdlib.h>
  27
  28 #include "adns.h"
  29
  30 static void failure(const char *what, adns_status st) {
  31   fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
  32   exit(2);
  33 }
  34
  35 static const char *defaultargv[]= { "ns.chiark.greenend.org.uk", 0 };
  36
  37 int main(int argc, const char *const *argv) {
  38   adns_state ads;
  39   adns_query *qus, qu;
  40   adns_answer *ans;
  41   const char *rrtn, *fmtn;
  42   char *show;
  43   int len, i, qc, qi;
  44   adns_status r, ri;
  45
  46   if (argv[0] && argv[1]) argv++;
  47   else argv= defaultargv;
  48
  49   for (qc=0; qc[argv]; qc++);
  50   qus= malloc(sizeof(qus)*qc);
  51   if (!qus) { perror("malloc qus"); exit(3); }
  52
  53   r= adns_init(&ads,adns_if_debug|adns_if_noautosys,0);
  54   if (r) failure("init",r);
  55
  56   for (qi=0; qi<qc; qi++) {
  57     r= adns_submit(ads,argv[qi],adns_r_a,0,0,&qus[qi]);
  58     if (r) failure("submit",r);
  59   }
  60
  61   for (qi=0; qi<qc; qi++) {
  62     qu= qus[qi];
  63     r= adns_wait(ads,&qu,&ans,0);
  64     if (r) failure("wait",r);
  65
  66     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
  67     fprintf(stdout, "%s: %s; nrrs=%d; cname=%s; ",
  68             argv[qi], adns_strerror(ans->status),
  69             ans->nrrs, ans->cname ? ans->cname : "$");
  70     fprintf(stdout, "type %s(%s) %s\n",
  71             ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
  72             adns_strerror(ri));
  73     if (ans->nrrs) {
  74       assert(!ri);
  75       for (i=0; i<ans->nrrs; i++) {
  76         r= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes+i*len,&show);
  77         if (r) failure("info",r);
  78         printf(" %s\n",show);
  79         free(show);
  80       }
  81     }
  82     free(ans);
  83   }
  84
  85   free(qus);
  86   exit(0);
  87 }