1 /*
2 * Copyright (c) 2015-2016 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 #include "tests.h"
29 #include <netinet/in.h>
30
31 #if defined IP_ADD_MEMBERSHIP && defined IPV6_ADD_MEMBERSHIP \
32 && defined IPV6_JOIN_ANYCAST && defined HAVE_IF_INDEXTONAME
33
34 # include <stdio.h>
35 # include <unistd.h>
36 # include <sys/socket.h>
37 # include <arpa/inet.h>
38 # include <net/if.h>
39
40 int
main(void)41 main(void)
42 {
43 static const char multi4addr[] = "224.0.0.3";
44 static const char multi6addr[] = "ff01::c";
45 static const char interface[] = "127.0.0.1";
46
47 struct ip_mreq *const m4 = tail_alloc(sizeof(*m4));
48 struct ipv6_mreq *const m6 = tail_alloc(sizeof(*m6));
49 unsigned int i;
50 int rc;
51
52 inet_pton(AF_INET, multi4addr, &m4->imr_multiaddr);
53 inet_pton(AF_INET, interface, &m4->imr_interface);
54 inet_pton(AF_INET6, multi6addr, &m6->ipv6mr_multiaddr);
55
56 m6->ipv6mr_interface = if_nametoindex("lo");
57 if (!m6->ipv6mr_interface)
58 perror_msg_and_skip("lo");
59
60 (void) close(0);
61 if (socket(AF_INET, SOCK_DGRAM, 0))
62 perror_msg_and_skip("socket");
63
64 struct {
65 int level;
66 const char *str_level;
67 int optname;
68 const char *str_optname;
69 void *optval;
70 unsigned int optsize;
71 } short_any[] = {
72 {
73 ARG_STR(SOL_IP), ARG_STR(IP_ADD_MEMBERSHIP),
74 m4, sizeof(*m4)
75 },
76 {
77 ARG_STR(SOL_IP), ARG_STR(IP_DROP_MEMBERSHIP),
78 m4, sizeof(*m4)
79 },
80 {
81 ARG_STR(SOL_IPV6), ARG_STR(IPV6_ADD_MEMBERSHIP),
82 m6, sizeof(*m6)
83 },
84 {
85 ARG_STR(SOL_IPV6), ARG_STR(IPV6_DROP_MEMBERSHIP),
86 m6, sizeof(*m6)
87 },
88 {
89 ARG_STR(SOL_IPV6), ARG_STR(IPV6_JOIN_ANYCAST),
90 m6, sizeof(*m6)
91 },
92 {
93 ARG_STR(SOL_IPV6), ARG_STR(IPV6_LEAVE_ANYCAST),
94 m6, sizeof(*m6)
95 }
96 };
97
98 for (i = 0; i < ARRAY_SIZE(short_any); ++i) {
99 rc = setsockopt(0, short_any[i].level, short_any[i].optname,
100 short_any[i].optval, 1);
101 printf("setsockopt(0, %s, %s, \"\\%hho\", 1) = %s\n",
102 short_any[i].str_level, short_any[i].str_optname,
103 * (unsigned char *) short_any[i].optval,
104 sprintrc(rc));
105
106 rc = setsockopt(0, short_any[i].level, short_any[i].optname,
107 short_any[i].optval + 1, short_any[i].optsize);
108 printf("setsockopt(0, %s, %s, %p, %u) = %s\n",
109 short_any[i].str_level, short_any[i].str_optname,
110 short_any[i].optval + 1, short_any[i].optsize,
111 sprintrc(rc));
112 }
113
114 struct {
115 int optname;
116 const char *str_optname;
117 } long_ip[] = {
118 { ARG_STR(IP_ADD_MEMBERSHIP) },
119 { ARG_STR(IP_DROP_MEMBERSHIP) }
120 }, long_ipv6[] = {
121 { ARG_STR(IPV6_ADD_MEMBERSHIP) },
122 { ARG_STR(IPV6_DROP_MEMBERSHIP) },
123 { ARG_STR(IPV6_JOIN_ANYCAST) },
124 { ARG_STR(IPV6_LEAVE_ANYCAST) }
125 };
126
127 for (i = 0; i < ARRAY_SIZE(long_ip); ++i) {
128 rc = setsockopt(0, SOL_IP, long_ip[i].optname,
129 m4, sizeof(*m4));
130 printf("setsockopt(0, SOL_IP, %s"
131 ", {imr_multiaddr=inet_addr(\"%s\")"
132 ", imr_interface=inet_addr(\"%s\")}, %u) = %s\n",
133 long_ip[i].str_optname, multi4addr,
134 interface, (unsigned) sizeof(*m4), sprintrc(rc));
135 }
136
137 for (i = 0; i < ARRAY_SIZE(long_ipv6); ++i) {
138 rc = setsockopt(0, SOL_IPV6, long_ipv6[i].optname,
139 m6, sizeof(*m6));
140 printf("setsockopt(0, SOL_IPV6, %s"
141 ", {ipv6mr_multiaddr=inet_pton(\"%s\")"
142 ", ipv6mr_interface=if_nametoindex(\"lo\")}"
143 ", %u) = %s\n",
144 long_ipv6[i].str_optname, multi6addr,
145 (unsigned) sizeof(*m6), sprintrc(rc));
146 }
147
148 puts("+++ exited with 0 +++");
149 return 0;
150 }
151
152 #else
153
154 SKIP_MAIN_UNDEFINED("IP_ADD_MEMBERSHIP && IPV6_ADD_MEMBERSHIP"
155 " && IPV6_JOIN_ANYCAST && HAVE_IF_INDEXTONAME")
156
157 #endif
158