1 /* 2 * Copyright (c) 2024 Apple Inc. All rights reserved. 3 * 4 * Chris Jarrett-Davies <[email protected]> 5 * SEAR Red Team / 2024-Mar-20 6 */ 7 8 #include <darwintest.h> 9 #include <stdio.h> 10 11 #include <darwintest.h> 12 13 #include <string.h> 14 #include <strings.h> 15 16 #include <arpa/inet.h> 17 #include <netinet/in.h> 18 #include <sys/socket.h> 19 #include <unistd.h> 20 21 T_GLOBAL_META( 22 T_META_NAMESPACE("xnu.net"), 23 T_META_ASROOT(true), 24 T_META_RADAR_COMPONENT_NAME("xnu"), 25 T_META_RADAR_COMPONENT_VERSION("networking"), 26 T_META_ENABLED(!TARGET_OS_BRIDGE), 27 T_META_CHECK_LEAKS(false)); 28 29 T_DECL(v4mappedv6_join_group, "Tests setting IPV6_JOIN_GROUP on an IPv4-mapped IPv6 address") 30 { 31 int s; 32 struct sockaddr_in6 sin6 = { 33 .sin6_family = AF_INET6, 34 .sin6_len = sizeof(struct sockaddr_in6), 35 .sin6_port = 1337 36 }; 37 struct ipv6_mreq mreq = {}; 38 39 T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), "create socket"); 40 41 T_ASSERT_POSIX_SUCCESS(inet_pton(AF_INET6, "::ffff:127.0.0.1", &sin6.sin6_addr), "inet_pton"); 42 T_ASSERT_POSIX_SUCCESS(connect(s, (const struct sockaddr *)&sin6, sizeof(sin6)), "connect"); 43 44 memset((unsigned char *)&mreq.ipv6mr_multiaddr, 0xff, 16); 45 46 // This should now fail (but not panic) 47 T_ASSERT_POSIX_FAILURE(setsockopt(s, IPPROTO_IPV6, IPV6_JOIN_GROUP, &mreq, sizeof(mreq)), EADDRNOTAVAIL, "setsockopt IPV6_JOIN_GROUP"); 48 } 49