1/* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> 3 * Copyright (c) 2015-2017 The strace developers. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include "tests.h" 30#include <netinet/in.h> 31 32#if defined IP_ADD_MEMBERSHIP && defined IPV6_ADD_MEMBERSHIP \ 33 && defined IPV6_JOIN_ANYCAST && defined HAVE_IF_INDEXTONAME 34 35# include <stdio.h> 36# include <unistd.h> 37# include <sys/socket.h> 38# include <arpa/inet.h> 39# include <net/if.h> 40 41int 42main(void) 43{ 44 static const char multi4addr[] = "224.0.0.3"; 45 static const char multi6addr[] = "ff01::c"; 46 static const char interface[] = "127.0.0.1"; 47 48 TAIL_ALLOC_OBJECT_CONST_PTR(struct ip_mreq, m4); 49 TAIL_ALLOC_OBJECT_CONST_PTR(struct ipv6_mreq, m6); 50 unsigned int i; 51 int rc; 52 53 inet_pton(AF_INET, multi4addr, &m4->imr_multiaddr); 54 inet_pton(AF_INET, interface, &m4->imr_interface); 55 inet_pton(AF_INET6, multi6addr, &m6->ipv6mr_multiaddr); 56 57 m6->ipv6mr_interface = if_nametoindex("lo"); 58 if (!m6->ipv6mr_interface) 59 perror_msg_and_skip("lo"); 60 61 (void) close(0); 62 if (socket(AF_INET, SOCK_DGRAM, 0)) 63 perror_msg_and_skip("socket"); 64 65 struct { 66 int level; 67 const char *str_level; 68 int optname; 69 const char *str_optname; 70 void *optval; 71 unsigned int optsize; 72 } short_any[] = { 73 { 74 ARG_STR(SOL_IP), ARG_STR(IP_ADD_MEMBERSHIP), 75 m4, sizeof(*m4) 76 }, 77 { 78 ARG_STR(SOL_IP), ARG_STR(IP_DROP_MEMBERSHIP), 79 m4, sizeof(*m4) 80 }, 81 { 82 ARG_STR(SOL_IPV6), ARG_STR(IPV6_ADD_MEMBERSHIP), 83 m6, sizeof(*m6) 84 }, 85 { 86 ARG_STR(SOL_IPV6), ARG_STR(IPV6_DROP_MEMBERSHIP), 87 m6, sizeof(*m6) 88 }, 89 { 90 ARG_STR(SOL_IPV6), ARG_STR(IPV6_JOIN_ANYCAST), 91 m6, sizeof(*m6) 92 }, 93 { 94 ARG_STR(SOL_IPV6), ARG_STR(IPV6_LEAVE_ANYCAST), 95 m6, sizeof(*m6) 96 } 97 }; 98 99 for (i = 0; i < ARRAY_SIZE(short_any); ++i) { 100 rc = setsockopt(0, short_any[i].level, short_any[i].optname, 101 short_any[i].optval, 1); 102 printf("setsockopt(0, %s, %s, \"\\%hho\", 1) = %s\n", 103 short_any[i].str_level, short_any[i].str_optname, 104 *(unsigned char *) short_any[i].optval, 105 sprintrc(rc)); 106 107 rc = setsockopt(0, short_any[i].level, short_any[i].optname, 108 short_any[i].optval + 1, short_any[i].optsize); 109 printf("setsockopt(0, %s, %s, %p, %u) = %s\n", 110 short_any[i].str_level, short_any[i].str_optname, 111 short_any[i].optval + 1, short_any[i].optsize, 112 sprintrc(rc)); 113 } 114 115 struct { 116 int optname; 117 const char *str_optname; 118 } long_ip[] = { 119 { ARG_STR(IP_ADD_MEMBERSHIP) }, 120 { ARG_STR(IP_DROP_MEMBERSHIP) } 121 }, long_ipv6[] = { 122 { ARG_STR(IPV6_ADD_MEMBERSHIP) }, 123 { ARG_STR(IPV6_DROP_MEMBERSHIP) }, 124 { ARG_STR(IPV6_JOIN_ANYCAST) }, 125 { ARG_STR(IPV6_LEAVE_ANYCAST) } 126 }; 127 128 for (i = 0; i < ARRAY_SIZE(long_ip); ++i) { 129 rc = setsockopt(0, SOL_IP, long_ip[i].optname, 130 m4, sizeof(*m4)); 131 printf("setsockopt(0, SOL_IP, %s" 132 ", {imr_multiaddr=inet_addr(\"%s\")" 133 ", imr_interface=inet_addr(\"%s\")}, %u) = %s\n", 134 long_ip[i].str_optname, multi4addr, 135 interface, (unsigned) sizeof(*m4), sprintrc(rc)); 136 } 137 138 for (i = 0; i < ARRAY_SIZE(long_ipv6); ++i) { 139 rc = setsockopt(0, SOL_IPV6, long_ipv6[i].optname, 140 m6, sizeof(*m6)); 141 printf("setsockopt(0, SOL_IPV6, %s" 142 ", {inet_pton(AF_INET6, \"%s\", &ipv6mr_multiaddr)" 143 ", ipv6mr_interface=if_nametoindex(\"lo\")}" 144 ", %u) = %s\n", 145 long_ipv6[i].str_optname, multi6addr, 146 (unsigned) sizeof(*m6), sprintrc(rc)); 147 } 148 149 puts("+++ exited with 0 +++"); 150 return 0; 151} 152 153#else 154 155SKIP_MAIN_UNDEFINED("IP_ADD_MEMBERSHIP && IPV6_ADD_MEMBERSHIP" 156 " && IPV6_JOIN_ANYCAST && HAVE_IF_INDEXTONAME") 157 158#endif 159