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/*
* Copyright (C) 2011-2012 Reto Guadagnini
* HSR Hochschule fuer Technik Rapperswil
*
* This program 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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.
*/
#include <stdio.h>
#include <library.h>
#include <utils/debug.h>
/**
* Define debug level
*/
static level_t dbg_level = 1;
static void dbg_dnssec(debug_t group, level_t level, char *fmt, ...)
{
if ((level <= dbg_level) || level <= 1)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
fprintf(stderr, "\n");
va_end(args);
}
}
int main(int argc, char *argv[])
{
resolver_t *resolver;
resolver_response_t *response;
enumerator_t *enumerator;
chunk_t rdata;
rr_set_t *rrset;
rr_t *rr;
library_init(NULL, "dnssec");
atexit(library_deinit);
dbg = dbg_dnssec;
if (!lib->plugins->load(lib->plugins, PLUGINS))
{
return 1;
}
if (argc != 2)
{
fprintf(stderr, "usage: dnssec <name>\n");
return 1;
}
resolver = lib->resolver->create(lib->resolver);
if (!resolver)
{
printf("failed to create a resolver!\n");
return 1;
}
response = resolver->query(resolver, argv[1], RR_CLASS_IN, RR_TYPE_A);
if (!response)
{
printf("no response received!\n");
resolver->destroy(resolver);
return 1;
}
printf("DNS response:\n");
if (!response->has_data(response) || !response->query_name_exist(response))
{
if (!response->has_data(response))
{
printf(" no data in the response\n");
}
if (!response->query_name_exist(response))
{
printf(" query name does not exist\n");
}
response->destroy(response);
resolver->destroy(resolver);
return 1;
}
printf(" RRs in the response:\n");
rrset = response->get_rr_set(response);
if (!rrset)
{
printf(" response contains no RRset!\n");
response->destroy(response);
resolver->destroy(resolver);
return 1;
}
enumerator = rrset->create_rr_enumerator(rrset);
while (enumerator->enumerate(enumerator, &rr))
{
printf(" name: %s\n", rr->get_name(rr));
}
enumerator = rrset->create_rrsig_enumerator(rrset);
if (enumerator)
{
printf(" RRSIGs for the RRset:\n");
while (enumerator->enumerate(enumerator, &rr))
{
rdata = rr->get_rdata(rr);
printf(" name: %s\n", rr->get_name(rr));
printf(" RDATA: %#B\n", &rdata);
}
}
printf(" security status of the response: ");
switch (response->get_security_state(response))
{
case SECURE:
printf("SECURE\n\n");
break;
case INSECURE:
printf("INSECURE\n\n");
break;
case BOGUS:
printf("BOGUS\n\n");
break;
case INDETERMINATE:
printf("INDETERMINATE\n\n");
break;
}
response->destroy(response);
resolver->destroy(resolver);
return 0;
}
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