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/*
* Copyright (c) 2003-2006 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef WIN32
#include <winsock2.h>
#include <windows.h>
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/queue.h>
#ifndef WIN32
#include <sys/socket.h>
#include <sys/signal.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#endif
#include <netdb.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "event.h"
#include "evdns.h"
#include "log.h"
static int dns_ok = 0;
void
dns_gethostbyname_cb(int result, char type, int count, int ttl,
void *addresses, void *arg)
{
dns_ok = 0;
if (result != DNS_ERR_NONE)
goto out;
fprintf(stderr, "type: %d, count: %d, ttl: %d: ", type, count, ttl);
switch (type) {
case DNS_IPv4_A: {
struct in_addr *in_addrs = addresses;
int i;
/* a resolution that's not valid does not help */
if (ttl < 0)
goto out;
for (i = 0; i < count; ++i)
fprintf(stderr, "%s ", inet_ntoa(in_addrs[0]));
break;
}
case DNS_PTR:
/* may get at most one PTR */
if (count != 1)
goto out;
fprintf(stderr, "%s ", *(char **)addresses);
break;
default:
goto out;
}
dns_ok = 1;
out:
event_loopexit(NULL);
}
void
dns_gethostbyname()
{
fprintf(stdout, "Simple DNS resolve: ");
dns_ok = 0;
evdns_resolve_ipv4("www.monkey.org", 0, dns_gethostbyname_cb, NULL);
event_dispatch();
if (dns_ok) {
fprintf(stdout, "OK\n");
} else {
fprintf(stdout, "FAILED\n");
exit(1);
}
}
void
dns_gethostbyaddr()
{
struct in_addr in;
in.s_addr = htonl(0x7f000001ul); /* 127.0.0.1 */
fprintf(stdout, "Simple reverse DNS resolve: ");
dns_ok = 0;
evdns_resolve_reverse(&in, 0, dns_gethostbyname_cb, NULL);
event_dispatch();
if (dns_ok) {
fprintf(stdout, "OK\n");
} else {
fprintf(stdout, "FAILED\n");
exit(1);
}
}
void
dns_suite(void)
{
evdns_init();
dns_gethostbyname();
dns_gethostbyaddr();
evdns_shutdown(0);
}
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