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/*
* NAME
* getsoa - retrieve soa record of an NS zone.
*
* SYNOPSIS
* LD_PRELOAD=/path/to/libfakedns.so getsoa [-d] ZONE NS
*
* DESCRIPTION
* Queries NS for the SOA record of an NS zone and displays it as
* a series of space-delimited values. Used as a helper for the
* self-test mode in poundharness.pl.
*
* OPTIONS
* -d Enables adns debugging output.
*
* SEE ALSO
* fakedns.c
*
* LICENSE
* This library is part of pound testsuite.
* Copyright (C) 2024-2025 Sergey Poznyakoff
*
* Pound is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Pound is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with pound. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <adns.h>
#include <assert.h>
#include <string.h>
char *progname;
static void
usage (FILE *fp)
{
fprintf (stderr, "%s ZONE NS\n", progname);
}
#define NSSTR "nameserver "
#define DEFAULT_QFLAGS \
(adns_qf_cname_loose | \
adns_qf_quoteok_query | \
adns_qf_quoteok_cname | \
adns_qf_quoteok_anshost)
/*
getsoa ZONE NS
*/
int
main (int argc, char **argv)
{
char *zone;
char *nameserver = NULL;
adns_state state;
adns_initflags flags = adns_if_none;
int rc, i;
char *config_text = NULL;
adns_answer *ans = NULL;
progname = argv[0];
while ((rc = getopt (argc, argv, "dh")) != EOF)
{
switch (rc)
{
case 'd':
flags |= adns_if_debug;
break;
case 'h':
usage (stdout);
return 0;
default:
return 1;
}
}
argc -= optind;
argv += optind;
switch (argc)
{
case 2:
nameserver = argv[1];
zone = argv[0];
break;
default:
fprintf (stderr, "%s: bad number of arguments\n", progname);
usage (stderr);
return 1;
}
config_text = malloc (sizeof (NSSTR) + 1 + strlen (nameserver));
assert (config_text != NULL);
strcat (strcpy (config_text, NSSTR), nameserver);
rc = adns_init_strcfg (&state, flags, stderr, config_text);
if (rc)
{
fprintf (stderr, "%s: can't initialize DNS state: %s",
progname, strerror (rc));
return 1;
}
rc = adns_synchronous (state, zone, adns_r_soa, DEFAULT_QFLAGS, &ans);
if (rc != adns_s_ok)
{
fprintf (stderr, "%s: %s\n", progname, adns_strerror (rc));
return 1;
}
for (i = 0; i < ans->nrrs; i++)
{
printf ("%s. %s. %ld %ld %ld %ld %ld\n",
ans->rrs.soa[i].mname,
ans->rrs.soa[i].rname,
ans->rrs.soa[i].serial,
ans->rrs.soa[i].refresh,
ans->rrs.soa[i].retry,
ans->rrs.soa[i].expire,
ans->rrs.soa[i].minimum);
}
free (ans);
return 0;
}
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