tests/ip_mreq.c

/*
 * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
 * 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 HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

int
main(void)
{
#if defined IP_ADD_MEMBERSHIP && defined IPV6_ADD_MEMBERSHIP \
 && defined IPV6_JOIN_ANYCAST && defined HAVE_INET_PTON
	struct ip_mreq m4;
	struct ipv6_mreq m6;

	inet_pton(AF_INET, "224.0.0.3", &m4.imr_multiaddr);
	inet_pton(AF_INET, "127.0.0.1", &m4.imr_interface);
	inet_pton(AF_INET6, "ff01::c", &m6.ipv6mr_multiaddr);
	m6.ipv6mr_interface = 1;

	(void) close(0);
	assert(socket(AF_INET, SOCK_DGRAM, 0) == 0);

	assert(setsockopt(0, SOL_IP, IP_ADD_MEMBERSHIP, &m4, 1) == -1);
	assert(setsockopt(0, SOL_IP, IP_DROP_MEMBERSHIP, &m4, 1) == -1);
	if (setsockopt(0, SOL_IP, IP_ADD_MEMBERSHIP, &m4, sizeof(m4)) ||
	    setsockopt(0, SOL_IP, IP_DROP_MEMBERSHIP, &m4, sizeof(m4)))
		return 77;

	assert(setsockopt(0, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &m6, 1) == -1);
	assert(setsockopt(0, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &m6, 1) == -1);
	assert(setsockopt(0, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &m6, sizeof(m6)) == -1);
	assert(setsockopt(0, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &m6, sizeof(m6)) == -1);

	assert(setsockopt(0, SOL_IPV6, IPV6_JOIN_ANYCAST, &m6, 1) == -1);
	assert(setsockopt(0, SOL_IPV6, IPV6_LEAVE_ANYCAST, &m6, 1) == -1);
	assert(setsockopt(0, SOL_IPV6, IPV6_JOIN_ANYCAST, &m6, sizeof(m6)) == -1);
	assert(setsockopt(0, SOL_IPV6, IPV6_LEAVE_ANYCAST, &m6, sizeof(m6)) == -1);

	return 0;
#else
	return 77;
#endif
}