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1 /*
2  * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31 #include <assert.h>
32 #include <unistd.h>
33 #include <sys/socket.h>
34 #include <netinet/in.h>
35 #include <arpa/inet.h>
36 
37 int
main(void)38 main(void)
39 {
40 #if defined IP_ADD_MEMBERSHIP && defined IPV6_ADD_MEMBERSHIP \
41  && defined IPV6_JOIN_ANYCAST && defined HAVE_INET_PTON
42 	struct ip_mreq m4;
43 	struct ipv6_mreq m6;
44 
45 	inet_pton(AF_INET, "224.0.0.3", &m4.imr_multiaddr);
46 	inet_pton(AF_INET, "127.0.0.1", &m4.imr_interface);
47 	inet_pton(AF_INET6, "ff01::c", &m6.ipv6mr_multiaddr);
48 	m6.ipv6mr_interface = 1;
49 
50 	(void) close(0);
51 	assert(socket(AF_INET, SOCK_DGRAM, 0) == 0);
52 
53 	assert(setsockopt(0, SOL_IP, IP_ADD_MEMBERSHIP, &m4, 1) == -1);
54 	assert(setsockopt(0, SOL_IP, IP_DROP_MEMBERSHIP, &m4, 1) == -1);
55 	if (setsockopt(0, SOL_IP, IP_ADD_MEMBERSHIP, &m4, sizeof(m4)) ||
56 	    setsockopt(0, SOL_IP, IP_DROP_MEMBERSHIP, &m4, sizeof(m4)))
57 		return 77;
58 
59 	assert(setsockopt(0, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &m6, 1) == -1);
60 	assert(setsockopt(0, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &m6, 1) == -1);
61 	assert(setsockopt(0, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &m6, sizeof(m6)) == -1);
62 	assert(setsockopt(0, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &m6, sizeof(m6)) == -1);
63 
64 	assert(setsockopt(0, SOL_IPV6, IPV6_JOIN_ANYCAST, &m6, 1) == -1);
65 	assert(setsockopt(0, SOL_IPV6, IPV6_LEAVE_ANYCAST, &m6, 1) == -1);
66 	assert(setsockopt(0, SOL_IPV6, IPV6_JOIN_ANYCAST, &m6, sizeof(m6)) == -1);
67 	assert(setsockopt(0, SOL_IPV6, IPV6_LEAVE_ANYCAST, &m6, sizeof(m6)) == -1);
68 
69 	return 0;
70 #else
71 	return 77;
72 #endif
73 }
74