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3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 | /* * Copyright (c) 2025 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * sockopt_sol_socket.c * * Comprehensive tests for SOL_SOCKET level socket options. * Tests both standard POSIX options and Apple-specific private options. * * Covers: * - Basic/standard socket options (SO_REUSEADDR, SO_KEEPALIVE, SO_SNDBUF, etc.) * - Domain-specific options that have socket family restrictions * - Apple-specific private options (SO_TRAFFIC_CLASS, SO_RESTRICTIONS, etc.) */ #include <sys/socket.h> #include <sys/socket_private.h> #include <sys/un.h> #include <netinet/in.h> #include <netinet/tcp.h> #include <unistd.h> #include <errno.h> #include <string.h> #include <limits.h> #include <stdbool.h> #include <uuid/uuid.h> #include <darwintest.h> /* * SO_ACCEPTFILTER is a BSD feature that was never implemented in XNU. * The constant is not defined on Apple platforms (guarded by #ifndef __APPLE__). * We define it here to test that it's properly rejected as not implemented. */ #ifndef SO_ACCEPTFILTER #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ #endif T_GLOBAL_META( T_META_NAMESPACE("xnu.net.sockopt"), T_META_CHECK_LEAKS(false), T_META_RUN_CONCURRENTLY(true) ); /* * Helper to test basic integer option round-trip */ static void test_int_option_roundtrip(int fd, int optname, const char *optname_str, int setval, int expected_getval) { int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, optname, &setval, sizeof(setval)), "setsockopt %s = %d", optname_str, setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, optname, &getval, &optlen), "getsockopt %s", optname_str); T_EXPECT_EQ(getval, expected_getval, "%s value matches (expected %d, got %d)", optname_str, expected_getval, getval); T_EXPECT_EQ(optlen, (socklen_t)sizeof(int), "%s optlen is sizeof(int)", optname_str); } /* * Helper to test boolean socket options * For boolean options: 0 means disabled, any non-zero means enabled */ static void test_bool_option(int fd, int optname, const char *optname_str, int setval, bool expect_enabled) { int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, optname, &setval, sizeof(setval)), "setsockopt %s = %d", optname_str, setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, optname, &getval, &optlen), "getsockopt %s", optname_str); if (expect_enabled) { T_EXPECT_NE(getval, 0, "%s is enabled (set %d, got non-zero %d)", optname_str, setval, getval); } else { T_EXPECT_EQ(getval, 0, "%s is disabled (set %d, got %d)", optname_str, setval, getval); } T_EXPECT_EQ(optlen, (socklen_t)sizeof(int), "%s optlen is sizeof(int)", optname_str); } /* * =========================== * Basic/Standard Socket Options * =========================== */ /* * Test SO_REUSEADDR on different socket types */ T_DECL(so_reuseaddr_inet_tcp, "SO_REUSEADDR on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Boolean options: 0 = disabled, non-zero = enabled */ test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 1, true); test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 0, false); test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 42, true); /* Any non-zero */ close(fd); } T_DECL(so_reuseaddr_inet6_udp, "SO_REUSEADDR on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 1, true); test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 0, false); test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 255, true); close(fd); } T_DECL(so_reuseaddr_unix_stream, "SO_REUSEADDR on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 1, true); test_bool_option(fd, SO_REUSEADDR, "SO_REUSEADDR", 0, false); close(fd); } /* * Test SO_REUSEPORT on different socket types */ T_DECL(so_reuseport_inet_tcp, "SO_REUSEPORT on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_REUSEPORT, "SO_REUSEPORT", 1, true); test_bool_option(fd, SO_REUSEPORT, "SO_REUSEPORT", 0, false); close(fd); } T_DECL(so_reuseport_unix_dgram, "SO_REUSEPORT on AF_UNIX DGRAM") { int fd = socket(AF_UNIX, SOCK_DGRAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_DGRAM)"); test_bool_option(fd, SO_REUSEPORT, "SO_REUSEPORT", 1, true); test_bool_option(fd, SO_REUSEPORT, "SO_REUSEPORT", 0, false); close(fd); } /* * Test SO_KEEPALIVE on different socket types */ T_DECL(so_keepalive_inet_tcp, "SO_KEEPALIVE on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_KEEPALIVE, "SO_KEEPALIVE", 1, true); test_bool_option(fd, SO_KEEPALIVE, "SO_KEEPALIVE", 0, false); close(fd); } T_DECL(so_keepalive_inet6_tcp, "SO_KEEPALIVE on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); test_bool_option(fd, SO_KEEPALIVE, "SO_KEEPALIVE", 1, true); test_bool_option(fd, SO_KEEPALIVE, "SO_KEEPALIVE", 0, false); close(fd); } /* * Test SO_DONTROUTE */ T_DECL(so_dontroute_inet_udp, "SO_DONTROUTE on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_DONTROUTE, "SO_DONTROUTE", 1, true); test_bool_option(fd, SO_DONTROUTE, "SO_DONTROUTE", 0, false); close(fd); } /* * Test SO_BROADCAST (only meaningful for datagram sockets) */ T_DECL(so_broadcast_inet_udp, "SO_BROADCAST on AF_INET UDP", T_META_ASROOT(true)) { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_BROADCAST, "SO_BROADCAST", 1, true); test_bool_option(fd, SO_BROADCAST, "SO_BROADCAST", 0, false); close(fd); } /* * Test SO_OOBINLINE */ T_DECL(so_oobinline_inet_tcp, "SO_OOBINLINE on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_OOBINLINE, "SO_OOBINLINE", 1, true); test_bool_option(fd, SO_OOBINLINE, "SO_OOBINLINE", 0, false); close(fd); } /* * Test SO_NOSIGPIPE (Apple-specific) */ T_DECL(so_nosigpipe_inet_tcp, "SO_NOSIGPIPE on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_NOSIGPIPE, "SO_NOSIGPIPE", 1, true); test_bool_option(fd, SO_NOSIGPIPE, "SO_NOSIGPIPE", 0, false); close(fd); } T_DECL(so_nosigpipe_unix_stream, "SO_NOSIGPIPE on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); test_bool_option(fd, SO_NOSIGPIPE, "SO_NOSIGPIPE", 1, true); test_bool_option(fd, SO_NOSIGPIPE, "SO_NOSIGPIPE", 0, false); close(fd); } /* * Test SO_TIMESTAMP options */ T_DECL(so_timestamp_inet_udp, "SO_TIMESTAMP on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_TIMESTAMP, "SO_TIMESTAMP", 1, true); test_bool_option(fd, SO_TIMESTAMP, "SO_TIMESTAMP", 0, false); close(fd); } T_DECL(so_timestamp_monotonic_inet_udp, "SO_TIMESTAMP_MONOTONIC on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_TIMESTAMP_MONOTONIC, "SO_TIMESTAMP_MONOTONIC", 1, 1); test_bool_option(fd, SO_TIMESTAMP_MONOTONIC, "SO_TIMESTAMP_MONOTONIC", 0, 0); close(fd); } T_DECL(so_timestamp_continuous_inet6_udp, "SO_TIMESTAMP_CONTINUOUS on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_TIMESTAMP_CONTINUOUS, "SO_TIMESTAMP_CONTINUOUS", 1, 1); test_bool_option(fd, SO_TIMESTAMP_CONTINUOUS, "SO_TIMESTAMP_CONTINUOUS", 0, 0); close(fd); } /* * Test SO_NP_EXTENSIONS - Enable network protocol extensions * This option uses a structure, not a simple integer */ T_DECL(so_np_extensions_inet_tcp, "SO_NP_EXTENSIONS on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); struct so_np_extensions sonpx; socklen_t optlen; /* Test setting SONPX_SETOPTSHUT flag */ sonpx.npx_flags = SONPX_SETOPTSHUT; sonpx.npx_mask = SONPX_SETOPTSHUT; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, sizeof(sonpx)), "setsockopt SO_NP_EXTENSIONS with SONPX_SETOPTSHUT"); /* Verify it was set */ memset(&sonpx, 0, sizeof(sonpx)); optlen = sizeof(sonpx); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, &optlen), "getsockopt SO_NP_EXTENSIONS"); T_EXPECT_NE(sonpx.npx_flags & SONPX_SETOPTSHUT, 0, "SONPX_SETOPTSHUT flag should be set"); /* Test clearing the flag */ sonpx.npx_flags = 0; sonpx.npx_mask = SONPX_SETOPTSHUT; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, sizeof(sonpx)), "setsockopt SO_NP_EXTENSIONS clear SONPX_SETOPTSHUT"); /* Verify it was cleared */ memset(&sonpx, 0, sizeof(sonpx)); optlen = sizeof(sonpx); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, &optlen), "getsockopt SO_NP_EXTENSIONS"); T_EXPECT_EQ(sonpx.npx_flags & SONPX_SETOPTSHUT, 0, "SONPX_SETOPTSHUT flag should be cleared"); close(fd); } T_DECL(so_np_extensions_inet_udp, "SO_NP_EXTENSIONS on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); struct so_np_extensions sonpx; socklen_t optlen; sonpx.npx_flags = SONPX_SETOPTSHUT; sonpx.npx_mask = SONPX_SETOPTSHUT; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, sizeof(sonpx)), "setsockopt SO_NP_EXTENSIONS"); memset(&sonpx, 0, sizeof(sonpx)); optlen = sizeof(sonpx); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, &optlen), "getsockopt SO_NP_EXTENSIONS"); T_EXPECT_NE(sonpx.npx_flags & SONPX_SETOPTSHUT, 0, "SONPX_SETOPTSHUT flag should be set"); close(fd); } T_DECL(so_np_extensions_inet6_tcp, "SO_NP_EXTENSIONS on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); struct so_np_extensions sonpx; socklen_t optlen; sonpx.npx_flags = SONPX_SETOPTSHUT; sonpx.npx_mask = SONPX_SETOPTSHUT; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, sizeof(sonpx)), "setsockopt SO_NP_EXTENSIONS"); memset(&sonpx, 0, sizeof(sonpx)); optlen = sizeof(sonpx); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, &optlen), "getsockopt SO_NP_EXTENSIONS"); T_EXPECT_NE(sonpx.npx_flags & SONPX_SETOPTSHUT, 0, "SONPX_SETOPTSHUT flag should be set"); close(fd); } T_DECL(so_np_extensions_inet6_udp, "SO_NP_EXTENSIONS on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); struct so_np_extensions sonpx; socklen_t optlen; sonpx.npx_flags = SONPX_SETOPTSHUT; sonpx.npx_mask = SONPX_SETOPTSHUT; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, sizeof(sonpx)), "setsockopt SO_NP_EXTENSIONS"); memset(&sonpx, 0, sizeof(sonpx)); optlen = sizeof(sonpx); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, &optlen), "getsockopt SO_NP_EXTENSIONS"); T_EXPECT_NE(sonpx.npx_flags & SONPX_SETOPTSHUT, 0, "SONPX_SETOPTSHUT flag should be set"); close(fd); } T_DECL(so_np_extensions_unix_stream, "SO_NP_EXTENSIONS on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); struct so_np_extensions sonpx; socklen_t optlen; sonpx.npx_flags = SONPX_SETOPTSHUT; sonpx.npx_mask = SONPX_SETOPTSHUT; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, sizeof(sonpx)), "setsockopt SO_NP_EXTENSIONS"); memset(&sonpx, 0, sizeof(sonpx)); optlen = sizeof(sonpx); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, &optlen), "getsockopt SO_NP_EXTENSIONS"); T_EXPECT_NE(sonpx.npx_flags & SONPX_SETOPTSHUT, 0, "SONPX_SETOPTSHUT flag should be set"); close(fd); } T_DECL(so_np_extensions_unix_dgram, "SO_NP_EXTENSIONS on AF_UNIX DGRAM") { int fd = socket(AF_UNIX, SOCK_DGRAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_DGRAM)"); struct so_np_extensions sonpx; socklen_t optlen; sonpx.npx_flags = SONPX_SETOPTSHUT; sonpx.npx_mask = SONPX_SETOPTSHUT; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, sizeof(sonpx)), "setsockopt SO_NP_EXTENSIONS"); memset(&sonpx, 0, sizeof(sonpx)); optlen = sizeof(sonpx); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NP_EXTENSIONS, &sonpx, &optlen), "getsockopt SO_NP_EXTENSIONS"); T_EXPECT_NE(sonpx.npx_flags & SONPX_SETOPTSHUT, 0, "SONPX_SETOPTSHUT flag should be set"); close(fd); } /* * Test SO_SNDBUF and SO_RCVBUF */ T_DECL(so_sndbuf_inet_tcp, "SO_SNDBUF on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int sizes[] = {4096, 8192, 16384, 32768, 65536}; for (size_t i = 0; i < sizeof(sizes) / sizeof(sizes[0]); i++) { int setval = sizes[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &setval, sizeof(setval)), "setsockopt SO_SNDBUF = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &getval, &optlen), "getsockopt SO_SNDBUF"); /* Kernel may round up or adjust the value */ T_EXPECT_GE(getval, setval, "SO_SNDBUF value >= requested (requested %d, got %d)", setval, getval); } close(fd); } T_DECL(so_rcvbuf_inet_udp, "SO_RCVBUF on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); int sizes[] = {4096, 8192, 16384, 32768, 65536}; for (size_t i = 0; i < sizeof(sizes) / sizeof(sizes[0]); i++) { int setval = sizes[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &setval, sizeof(setval)), "setsockopt SO_RCVBUF = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &getval, &optlen), "getsockopt SO_RCVBUF"); /* Kernel may round up or adjust the value */ T_EXPECT_GE(getval, setval, "SO_RCVBUF value >= requested (requested %d, got %d)", setval, getval); } close(fd); } T_DECL(so_sndbuf_unix_stream, "SO_SNDBUF on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); int setval = 16384; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &setval, sizeof(setval)), "setsockopt SO_SNDBUF = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &getval, &optlen), "getsockopt SO_SNDBUF"); T_EXPECT_GE(getval, setval, "SO_SNDBUF value >= requested (requested %d, got %d)", setval, getval); close(fd); } /* * Test SO_SNDLOWAT and SO_RCVLOWAT */ T_DECL(so_sndlowat_inet_tcp, "SO_SNDLOWAT on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* SO_SNDLOWAT is typically fixed at 2048 on XNU */ int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_SNDLOWAT, &getval, &optlen), "getsockopt SO_SNDLOWAT"); T_LOG("Default SO_SNDLOWAT: %d", getval); close(fd); } T_DECL(so_rcvlowat_inet_tcp, "SO_RCVLOWAT on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_int_option_roundtrip(fd, SO_RCVLOWAT, "SO_RCVLOWAT", 1, 1); test_int_option_roundtrip(fd, SO_RCVLOWAT, "SO_RCVLOWAT", 1024, 1024); close(fd); } /* * Test SO_SNDTIMEO and SO_RCVTIMEO */ T_DECL(so_sndtimeo_inet_tcp, "SO_SNDTIMEO on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); struct timeval tv_set = { .tv_sec = 5, .tv_usec = 500000 }; /* 5.5 seconds */ struct timeval tv_get = {0}; socklen_t optlen = sizeof(tv_get); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv_set, sizeof(tv_set)), "setsockopt SO_SNDTIMEO"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv_get, &optlen), "getsockopt SO_SNDTIMEO"); T_EXPECT_EQ(tv_get.tv_sec, tv_set.tv_sec, "SO_SNDTIMEO tv_sec matches"); T_EXPECT_EQ(tv_get.tv_usec, tv_set.tv_usec, "SO_SNDTIMEO tv_usec matches"); close(fd); } T_DECL(so_rcvtimeo_inet_udp, "SO_RCVTIMEO on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); struct timeval tv_set = { .tv_sec = 2, .tv_usec = 250000 }; /* 2.25 seconds */ struct timeval tv_get = {0}; socklen_t optlen = sizeof(tv_get); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv_set, sizeof(tv_set)), "setsockopt SO_RCVTIMEO"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv_get, &optlen), "getsockopt SO_RCVTIMEO"); T_EXPECT_EQ(tv_get.tv_sec, tv_set.tv_sec, "SO_RCVTIMEO tv_sec matches"); T_EXPECT_EQ(tv_get.tv_usec, tv_set.tv_usec, "SO_RCVTIMEO tv_usec matches"); close(fd); } T_DECL(so_rcvtimeo_unix_stream, "SO_RCVTIMEO on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); struct timeval tv_set = { .tv_sec = 1, .tv_usec = 0 }; /* 1 second */ struct timeval tv_get = {0}; socklen_t optlen = sizeof(tv_get); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv_set, sizeof(tv_set)), "setsockopt SO_RCVTIMEO"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv_get, &optlen), "getsockopt SO_RCVTIMEO"); T_EXPECT_EQ(tv_get.tv_sec, tv_set.tv_sec, "SO_RCVTIMEO tv_sec matches"); close(fd); } /* * Test SO_LINGER and SO_LINGER_SEC */ T_DECL(so_linger_inet_tcp, "SO_LINGER on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); struct linger l_set = { .l_onoff = 1, .l_linger = 10 }; struct linger l_get = {0}; socklen_t optlen = sizeof(l_get); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_LINGER, &l_set, sizeof(l_set)), "setsockopt SO_LINGER on=1 linger=10"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_LINGER, &l_get, &optlen), "getsockopt SO_LINGER"); T_EXPECT_EQ(l_get.l_onoff, 1, "SO_LINGER l_onoff matches"); T_EXPECT_EQ(l_get.l_linger, 10, "SO_LINGER l_linger matches"); /* Disable linger */ l_set.l_onoff = 0; l_set.l_linger = 0; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_LINGER, &l_set, sizeof(l_set)), "setsockopt SO_LINGER off"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_LINGER, &l_get, &optlen), "getsockopt SO_LINGER"); T_EXPECT_EQ(l_get.l_onoff, 0, "SO_LINGER disabled"); close(fd); } T_DECL(so_linger_sec_inet6_tcp, "SO_LINGER_SEC on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); struct linger l_set = { .l_onoff = 1, .l_linger = 5 }; struct linger l_get = {0}; socklen_t optlen = sizeof(l_get); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_LINGER_SEC, &l_set, sizeof(l_set)), "setsockopt SO_LINGER_SEC on=1 linger=5"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_LINGER_SEC, &l_get, &optlen), "getsockopt SO_LINGER_SEC"); T_EXPECT_EQ(l_get.l_onoff, 1, "SO_LINGER_SEC l_onoff matches"); T_EXPECT_EQ(l_get.l_linger, 5, "SO_LINGER_SEC l_linger matches"); close(fd); } T_DECL(so_linger_unix_stream, "SO_LINGER on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); struct linger l_set = { .l_onoff = 1, .l_linger = 3 }; struct linger l_get = {0}; socklen_t optlen = sizeof(l_get); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_LINGER, &l_set, sizeof(l_set)), "setsockopt SO_LINGER"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_LINGER, &l_get, &optlen), "getsockopt SO_LINGER"); T_EXPECT_EQ(l_get.l_onoff, 1, "SO_LINGER l_onoff matches"); T_EXPECT_EQ(l_get.l_linger, 3, "SO_LINGER l_linger matches"); close(fd); } /* * Test read-only options: SO_TYPE, SO_ERROR, SO_ACCEPTCONN */ T_DECL(so_type_readonly, "SO_TYPE is read-only") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int type = 0; socklen_t optlen = sizeof(type); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_TYPE, &type, &optlen), "getsockopt SO_TYPE"); T_EXPECT_EQ(type, SOCK_STREAM, "SO_TYPE is SOCK_STREAM"); /* Try to set SO_TYPE (should fail) */ int newtype = SOCK_DGRAM; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_TYPE, &newtype, sizeof(newtype)), ENOPROTOOPT, "setsockopt SO_TYPE should fail"); close(fd); /* Test with UDP socket */ fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_TYPE, &type, &optlen), "getsockopt SO_TYPE"); T_EXPECT_EQ(type, SOCK_DGRAM, "SO_TYPE is SOCK_DGRAM"); close(fd); } T_DECL(so_error_readonly, "SO_ERROR is read-only and clears on read") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int error = 0; socklen_t optlen = sizeof(error); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &optlen), "getsockopt SO_ERROR"); T_EXPECT_EQ(error, 0, "SO_ERROR initially 0"); /* Try to set SO_ERROR (should fail) */ error = EINVAL; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_ERROR, &error, sizeof(error)), ENOPROTOOPT, "setsockopt SO_ERROR should fail"); close(fd); } /* * Test SO_NREAD and SO_NWRITE (read-only, information options) */ T_DECL(so_nread_readonly, "SO_NREAD is read-only") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int nread = 0; socklen_t optlen = sizeof(nread); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NREAD, &nread, &optlen), "getsockopt SO_NREAD"); T_EXPECT_EQ(nread, 0, "SO_NREAD initially 0 (no data buffered)"); close(fd); } T_DECL(so_nwrite_readonly, "SO_NWRITE is read-only") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int nwrite = 0; socklen_t optlen = sizeof(nwrite); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NWRITE, &nwrite, &optlen), "getsockopt SO_NWRITE"); T_EXPECT_EQ(nwrite, 0, "SO_NWRITE initially 0 (no pending data)"); close(fd); } /* * Test SO_ACCEPTCONN - Check if socket is accepting connections * Note: This option is not implemented in XNU, so getsockopt fails with ENOPROTOOPT */ T_DECL(so_acceptconn_not_implemented, "SO_ACCEPTCONN is not implemented") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int accepting = 0; socklen_t optlen = sizeof(accepting); /* SO_ACCEPTCONN is not implemented - should fail with ENOPROTOOPT */ T_ASSERT_POSIX_FAILURE( getsockopt(fd, SOL_SOCKET, SO_ACCEPTCONN, &accepting, &optlen), ENOPROTOOPT, "getsockopt SO_ACCEPTCONN should fail (not implemented)"); /* setsockopt should also fail */ accepting = 1; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_ACCEPTCONN, &accepting, sizeof(accepting)), ENOPROTOOPT, "setsockopt SO_ACCEPTCONN should fail (not implemented)"); close(fd); } /* * Test SO_ACCEPTFILTER - Set accept filter * Note: This option is not implemented in XNU, so both get/set fail with ENOPROTOOPT * The SO_ACCEPTFILTER constant is defined but the implementation is missing. */ T_DECL(so_acceptfilter_not_implemented, "SO_ACCEPTFILTER is not implemented") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* SO_ACCEPTFILTER uses struct accept_filter_arg, but it's not exposed on Apple platforms */ struct accept_filter_arg { char af_name[16]; char af_arg[256 - 16]; } af; memset(&af, 0, sizeof(af)); socklen_t optlen = sizeof(af); /* getsockopt should fail - not implemented */ T_ASSERT_POSIX_FAILURE( getsockopt(fd, SOL_SOCKET, SO_ACCEPTFILTER, &af, &optlen), ENOPROTOOPT, "getsockopt SO_ACCEPTFILTER should fail (not implemented)"); /* setsockopt should also fail - not implemented */ strlcpy(af.af_name, "dataready", sizeof(af.af_name)); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_ACCEPTFILTER, &af, sizeof(af)), ENOPROTOOPT, "setsockopt SO_ACCEPTFILTER should fail (not implemented)"); close(fd); } /* * Test SO_NUMRCVPKT - Number of packets in receive buffer (read-only) */ T_DECL(so_numrcvpkt_readonly, "SO_NUMRCVPKT is read-only") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); int numrcvpkt = 0; socklen_t optlen = sizeof(numrcvpkt); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NUMRCVPKT, &numrcvpkt, &optlen), "getsockopt SO_NUMRCVPKT"); T_EXPECT_EQ(numrcvpkt, 0, "SO_NUMRCVPKT initially 0 (no packets buffered)"); T_LOG("SO_NUMRCVPKT: %d", numrcvpkt); /* Try to set SO_NUMRCVPKT (should fail - read-only) */ numrcvpkt = 10; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_NUMRCVPKT, &numrcvpkt, sizeof(numrcvpkt)), ENOPROTOOPT, "setsockopt SO_NUMRCVPKT should fail (read-only)"); close(fd); } /* * Test SO_RANDOMPORT - Use random source port */ T_DECL(so_randomport_inet, "SO_RANDOMPORT on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_RANDOMPORT, "SO_RANDOMPORT", 1, true); test_bool_option(fd, SO_RANDOMPORT, "SO_RANDOMPORT", 0, false); close(fd); } T_DECL(so_randomport_inet6, "SO_RANDOMPORT on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_RANDOMPORT, "SO_RANDOMPORT", 1, true); test_bool_option(fd, SO_RANDOMPORT, "SO_RANDOMPORT", 0, false); close(fd); } /* * Test SO_REUSESHAREUID - Allow socket reuse by same UID */ T_DECL(so_reuseshareuid_inet, "SO_REUSESHAREUID on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_REUSESHAREUID, "SO_REUSESHAREUID", 1, true); test_bool_option(fd, SO_REUSESHAREUID, "SO_REUSESHAREUID", 0, false); close(fd); } T_DECL(so_reuseshareuid_inet6, "SO_REUSESHAREUID on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); test_bool_option(fd, SO_REUSESHAREUID, "SO_REUSESHAREUID", 1, true); test_bool_option(fd, SO_REUSESHAREUID, "SO_REUSESHAREUID", 0, false); close(fd); } /* * Test SO_NOTIFYCONFLICT - Send notification on bind conflict */ T_DECL(so_notifyconflict_inet_tcp, "SO_NOTIFYCONFLICT on AF_INET TCP", T_META_ASROOT(true)) { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 1, true); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 0, false); close(fd); } T_DECL(so_notifyconflict_inet_udp, "SO_NOTIFYCONFLICT on AF_INET UDP", T_META_ASROOT(true)) { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 1, true); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 0, false); close(fd); } T_DECL(so_notifyconflict_inet6_tcp, "SO_NOTIFYCONFLICT on AF_INET6 TCP", T_META_ASROOT(true)) { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 1, true); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 0, false); close(fd); } T_DECL(so_notifyconflict_inet6_udp, "SO_NOTIFYCONFLICT on AF_INET6 UDP", T_META_ASROOT(true)) { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 1, true); test_bool_option(fd, SO_NOTIFYCONFLICT, "SO_NOTIFYCONFLICT", 0, false); close(fd); } /* * Test SO_NET_SERVICE_TYPE - Network service type classification */ T_DECL(so_net_service_type_inet, "SO_NET_SERVICE_TYPE on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Test different service types */ int service_types[] = { NET_SERVICE_TYPE_BE, /* Best effort */ NET_SERVICE_TYPE_BK, /* Background */ NET_SERVICE_TYPE_SIG, /* Signaling */ NET_SERVICE_TYPE_VI, /* Video */ NET_SERVICE_TYPE_VO, /* Voice */ NET_SERVICE_TYPE_RV, /* Responsive video */ NET_SERVICE_TYPE_AV, /* Audio/Video */ NET_SERVICE_TYPE_OAM, /* Operations/Administration/Management */ NET_SERVICE_TYPE_RD /* Responsive data */ }; for (size_t i = 0; i < sizeof(service_types) / sizeof(service_types[0]); i++) { int setval = service_types[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &setval, sizeof(setval)), "setsockopt SO_NET_SERVICE_TYPE = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &getval, &optlen), "getsockopt SO_NET_SERVICE_TYPE"); T_EXPECT_EQ(getval, setval, "SO_NET_SERVICE_TYPE value matches (expected %d, got %d)", setval, getval); } close(fd); } T_DECL(so_net_service_type_inet6_udp, "SO_NET_SERVICE_TYPE on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_int_option_roundtrip(fd, SO_NET_SERVICE_TYPE, "SO_NET_SERVICE_TYPE", NET_SERVICE_TYPE_AV, NET_SERVICE_TYPE_AV); test_int_option_roundtrip(fd, SO_NET_SERVICE_TYPE, "SO_NET_SERVICE_TYPE", NET_SERVICE_TYPE_BE, NET_SERVICE_TYPE_BE); close(fd); } T_DECL(so_net_service_type_inet_udp, "SO_NET_SERVICE_TYPE on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); /* Test different service types */ int service_types[] = { NET_SERVICE_TYPE_BE, NET_SERVICE_TYPE_BK, NET_SERVICE_TYPE_VI, NET_SERVICE_TYPE_VO, NET_SERVICE_TYPE_AV, NET_SERVICE_TYPE_RD }; for (size_t i = 0; i < sizeof(service_types) / sizeof(service_types[0]); i++) { int setval = service_types[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &setval, sizeof(setval)), "setsockopt SO_NET_SERVICE_TYPE = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &getval, &optlen), "getsockopt SO_NET_SERVICE_TYPE"); T_EXPECT_EQ(getval, setval, "SO_NET_SERVICE_TYPE value matches (expected %d, got %d)", setval, getval); } close(fd); } T_DECL(so_net_service_type_inet6_tcp, "SO_NET_SERVICE_TYPE on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); /* Test different service types */ int service_types[] = { NET_SERVICE_TYPE_BE, NET_SERVICE_TYPE_BK, NET_SERVICE_TYPE_SIG, NET_SERVICE_TYPE_VI, NET_SERVICE_TYPE_VO, NET_SERVICE_TYPE_RV, NET_SERVICE_TYPE_AV, NET_SERVICE_TYPE_OAM, NET_SERVICE_TYPE_RD }; for (size_t i = 0; i < sizeof(service_types) / sizeof(service_types[0]); i++) { int setval = service_types[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &setval, sizeof(setval)), "setsockopt SO_NET_SERVICE_TYPE = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &getval, &optlen), "getsockopt SO_NET_SERVICE_TYPE"); T_EXPECT_EQ(getval, setval, "SO_NET_SERVICE_TYPE value matches (expected %d, got %d)", setval, getval); } close(fd); } T_DECL(so_net_service_type_icmp, "SO_NET_SERVICE_TYPE on ICMP", T_META_ASROOT(true)) { int fd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_RAW, IPPROTO_ICMP)"); /* Test a few service types on ICMP */ int service_types[] = { NET_SERVICE_TYPE_BE, NET_SERVICE_TYPE_BK, NET_SERVICE_TYPE_VI, NET_SERVICE_TYPE_VO }; for (size_t i = 0; i < sizeof(service_types) / sizeof(service_types[0]); i++) { int setval = service_types[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &setval, sizeof(setval)), "setsockopt SO_NET_SERVICE_TYPE = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &getval, &optlen), "getsockopt SO_NET_SERVICE_TYPE"); T_EXPECT_EQ(getval, setval, "SO_NET_SERVICE_TYPE value matches (expected %d, got %d)", setval, getval); } close(fd); } T_DECL(so_net_service_type_icmpv6, "SO_NET_SERVICE_TYPE on ICMPv6", T_META_ASROOT(true)) { int fd = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6)"); /* Test a few service types on ICMPv6 */ int service_types[] = { NET_SERVICE_TYPE_BE, NET_SERVICE_TYPE_BK, NET_SERVICE_TYPE_VI, NET_SERVICE_TYPE_VO }; for (size_t i = 0; i < sizeof(service_types) / sizeof(service_types[0]); i++) { int setval = service_types[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &setval, sizeof(setval)), "setsockopt SO_NET_SERVICE_TYPE = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NET_SERVICE_TYPE, &getval, &optlen), "getsockopt SO_NET_SERVICE_TYPE"); T_EXPECT_EQ(getval, setval, "SO_NET_SERVICE_TYPE value matches (expected %d, got %d)", setval, getval); } close(fd); } /* * Test SO_NETSVC_MARKING_LEVEL - QoS marking level (read-only) */ T_DECL(so_netsvc_marking_level_readonly, "SO_NETSVC_MARKING_LEVEL is read-only") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Should be able to read the marking level */ int marking_level = 0; socklen_t optlen = sizeof(marking_level); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NETSVC_MARKING_LEVEL, &marking_level, &optlen), "getsockopt SO_NETSVC_MARKING_LEVEL"); T_LOG("SO_NETSVC_MARKING_LEVEL: %d", marking_level); /* Try to set SO_NETSVC_MARKING_LEVEL (should fail - read-only) */ int new_level = NETSVC_MRKNG_LVL_L2; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_NETSVC_MARKING_LEVEL, &new_level, sizeof(new_level)), ENOPROTOOPT, "setsockopt SO_NETSVC_MARKING_LEVEL should fail (read-only)"); close(fd); } T_DECL(so_netsvc_marking_level_inet6, "SO_NETSVC_MARKING_LEVEL on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); /* Should be able to read the marking level */ int marking_level = 0; socklen_t optlen = sizeof(marking_level); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NETSVC_MARKING_LEVEL, &marking_level, &optlen), "getsockopt SO_NETSVC_MARKING_LEVEL"); T_LOG("SO_NETSVC_MARKING_LEVEL: %d", marking_level); close(fd); } /* * Test invalid option lengths */ T_DECL(so_reuseaddr_invalid_optlen, "SO_REUSEADDR with invalid optlen") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Too small */ char smallval = 1; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &smallval, sizeof(smallval)), EINVAL, "setsockopt SO_REUSEADDR with too small optlen should fail"); /* NULL pointer with non-zero length */ T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, NULL, sizeof(int)), EFAULT, "setsockopt SO_REUSEADDR with NULL optval should fail"); close(fd); } /* * Test SO_DONTTRUNC - Don't truncate datagram messages * This option prevents truncation when reading datagrams that are larger * than the provided buffer */ T_DECL(so_donttrunc_inet, "SO_DONTTRUNC on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_DONTTRUNC, "SO_DONTTRUNC", 1, true); test_bool_option(fd, SO_DONTTRUNC, "SO_DONTTRUNC", 0, false); close(fd); } T_DECL(so_donttrunc_inet6, "SO_DONTTRUNC on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_DONTTRUNC, "SO_DONTTRUNC", 1, true); test_bool_option(fd, SO_DONTTRUNC, "SO_DONTTRUNC", 0, false); close(fd); } T_DECL(so_donttrunc_unix_dgram, "SO_DONTTRUNC on AF_UNIX DGRAM") { int fd = socket(AF_UNIX, SOCK_DGRAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_DGRAM)"); test_bool_option(fd, SO_DONTTRUNC, "SO_DONTTRUNC", 1, true); test_bool_option(fd, SO_DONTTRUNC, "SO_DONTTRUNC", 0, false); close(fd); } /* * Test SO_DEBUG option */ T_DECL(so_debug_inet_tcp, "SO_DEBUG on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_DEBUG, "SO_DEBUG", 1, true); test_bool_option(fd, SO_DEBUG, "SO_DEBUG", 0, false); close(fd); } /* * Test SO_USELOOPBACK (deprecated but still present) */ T_DECL(so_useloopback_inet_udp, "SO_USELOOPBACK on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_USELOOPBACK, "SO_USELOOPBACK", 1, true); test_bool_option(fd, SO_USELOOPBACK, "SO_USELOOPBACK", 0, false); close(fd); } /* * =========================== * Domain-Specific Options (Socket Family Restrictions) * =========================== */ /* * Test SO_AWDL_UNRESTRICTED on different socket families */ T_DECL(so_awdl_unrestricted_unix_stream, "SO_AWDL_UNRESTRICTED fails on AF_UNIX SOCK_STREAM", T_META_ASROOT(true)) { int fd; int optval = 1; fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_AWDL_UNRESTRICTED, &optval, sizeof(optval)), EOPNOTSUPP, "setsockopt SO_AWDL_UNRESTRICTED on AF_UNIX should fail"); close(fd); } T_DECL(so_awdl_unrestricted_unix_dgram, "SO_AWDL_UNRESTRICTED fails on AF_UNIX SOCK_DGRAM", T_META_ASROOT(true)) { int fd; int optval = 1; fd = socket(AF_UNIX, SOCK_DGRAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_DGRAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_AWDL_UNRESTRICTED, &optval, sizeof(optval)), EOPNOTSUPP, "setsockopt SO_AWDL_UNRESTRICTED on AF_UNIX should fail"); close(fd); } T_DECL(so_awdl_unrestricted_inet_tcp, "SO_AWDL_UNRESTRICTED succeeds on AF_INET TCP", T_META_ASROOT(true)) { int fd; int optval = 1; int getval = 0; socklen_t optlen = sizeof(getval); fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); T_MAYFAIL; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_AWDL_UNRESTRICTED, &optval, sizeof(optval)), "setsockopt SO_AWDL_UNRESTRICTED on AF_INET"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_AWDL_UNRESTRICTED, &getval, &optlen), "getsockopt SO_AWDL_UNRESTRICTED on AF_INET"); T_MAYFAIL; T_EXPECT_EQ(getval, 1, "SO_AWDL_UNRESTRICTED value matches"); close(fd); } T_DECL(so_awdl_unrestricted_inet6_tcp, "SO_AWDL_UNRESTRICTED succeeds on AF_INET6 TCP", T_META_ASROOT(true)) { int fd; int optval = 1; int getval = 0; socklen_t optlen = sizeof(getval); fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); T_MAYFAIL; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_AWDL_UNRESTRICTED, &optval, sizeof(optval)), "setsockopt SO_AWDL_UNRESTRICTED on AF_INET6"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_AWDL_UNRESTRICTED, &getval, &optlen), "getsockopt SO_AWDL_UNRESTRICTED on AF_INET6"); T_MAYFAIL; T_EXPECT_EQ(getval, 1, "SO_AWDL_UNRESTRICTED value matches"); close(fd); } /* * Test SO_INTCOPROC_ALLOW - IPv6 only option */ T_DECL(so_intcoproc_allow_unix, "SO_INTCOPROC_ALLOW fails on AF_UNIX", T_META_ASROOT(true)) { int fd; int optval = 1; fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_INTCOPROC_ALLOW, &optval, sizeof(optval)), EOPNOTSUPP, "setsockopt SO_INTCOPROC_ALLOW on AF_UNIX should fail"); close(fd); } T_DECL(so_intcoproc_allow_inet, "SO_INTCOPROC_ALLOW fails on AF_INET", T_META_ASROOT(true)) { int fd; int optval = 1; fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); T_MAYFAIL; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_INTCOPROC_ALLOW, &optval, sizeof(optval)), EOPNOTSUPP, "setsockopt SO_INTCOPROC_ALLOW on AF_INET should fail"); close(fd); } T_DECL(so_intcoproc_allow_inet6, "SO_INTCOPROC_ALLOW succeeds on AF_INET6", T_META_ASROOT(true)) { int fd; int optval = 1; int getval = 0; socklen_t optlen = sizeof(getval); fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); T_MAYFAIL; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_INTCOPROC_ALLOW, &optval, sizeof(optval)), "setsockopt SO_INTCOPROC_ALLOW on AF_INET6"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_INTCOPROC_ALLOW, &getval, &optlen), "getsockopt SO_INTCOPROC_ALLOW on AF_INET6"); T_MAYFAIL; T_EXPECT_EQ(getval, 1, "SO_INTCOPROC_ALLOW value matches"); close(fd); } /* * Test SO_NECP_ATTRIBUTES on different socket families */ T_DECL(so_necp_attributes_unix, "SO_NECP_ATTRIBUTES fails on AF_UNIX", T_META_ASROOT(true)) { int fd; uint8_t optval[16] = {0}; fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_NECP_ATTRIBUTES, optval, sizeof(optval)), EINVAL, "setsockopt SO_NECP_ATTRIBUTES on AF_UNIX should fail"); close(fd); } /* * Test SO_NECP_CLIENTUUID on different socket families */ T_DECL(so_necp_clientuuid_unix, "SO_NECP_CLIENTUUID fails on AF_UNIX", T_META_ASROOT(true)) { int fd; uuid_t client_uuid; uuid_clear(client_uuid); uuid_generate(client_uuid); fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_NECP_CLIENTUUID, &client_uuid, sizeof(client_uuid)), EINVAL, "setsockopt SO_NECP_CLIENTUUID on AF_UNIX should fail"); close(fd); } T_DECL(so_necp_clientuuid_inet, "SO_NECP_CLIENTUUID on AF_INET doesn't fail with EINVAL", T_META_ASROOT(true)) { int fd; uuid_t client_uuid, get_uuid; socklen_t optlen = sizeof(get_uuid); int ret; uuid_clear(client_uuid); uuid_generate(client_uuid); fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* * Setting SO_NECP_CLIENTUUID requires a registered NECP client. * Since we don't have Network Extensions running, this will fail * with ENOENT (client UUID not found) rather than EINVAL (wrong * socket family). We're testing that it doesn't reject based on * socket family. */ ret = setsockopt(fd, SOL_SOCKET, SO_NECP_CLIENTUUID, &client_uuid, sizeof(client_uuid)); if (ret == -1) { T_EXPECT_NE(errno, EINVAL, "setsockopt SO_NECP_CLIENTUUID should not fail with EINVAL on AF_INET"); T_LOG("setsockopt failed with errno %d (%s) - expected for unregistered client", errno, strerror(errno)); } else { /* If it succeeded, verify round-trip */ T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NECP_CLIENTUUID, &get_uuid, &optlen), "getsockopt SO_NECP_CLIENTUUID on AF_INET"); T_EXPECT_EQ(uuid_compare(client_uuid, get_uuid), 0, "SO_NECP_CLIENTUUID matches"); } close(fd); } /* * Test SO_NECP_LISTENUUID on different socket families */ T_DECL(so_necp_listenuuid_unix, "SO_NECP_LISTENUUID fails on AF_UNIX", T_META_ASROOT(true)) { int fd; uuid_t listen_uuid; uuid_clear(listen_uuid); uuid_generate(listen_uuid); fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_NECP_LISTENUUID, &listen_uuid, sizeof(listen_uuid)), EINVAL, "setsockopt SO_NECP_LISTENUUID on AF_UNIX should fail"); close(fd); } T_DECL(so_necp_listenuuid_inet6, "SO_NECP_LISTENUUID on AF_INET6 doesn't fail with EINVAL", T_META_ASROOT(true)) { int fd; uuid_t listen_uuid, get_uuid; socklen_t optlen = sizeof(get_uuid); int ret; uuid_clear(listen_uuid); uuid_generate(listen_uuid); fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); /* * Setting SO_NECP_LISTENUUID requires a registered NECP client. * Since we don't have Network Extensions running, this will fail * with ENOENT (client UUID not found) rather than EINVAL (wrong * socket family). We're testing that it doesn't reject based on * socket family. */ ret = setsockopt(fd, SOL_SOCKET, SO_NECP_LISTENUUID, &listen_uuid, sizeof(listen_uuid)); if (ret == -1) { T_EXPECT_NE(errno, EINVAL, "setsockopt SO_NECP_LISTENUUID should not fail with EINVAL on AF_INET6"); T_LOG("setsockopt failed with errno %d (%s) - expected for unregistered client", errno, strerror(errno)); } else { /* If it succeeded, verify round-trip */ T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_NECP_LISTENUUID, &get_uuid, &optlen), "getsockopt SO_NECP_LISTENUUID on AF_INET6"); T_EXPECT_EQ(uuid_compare(listen_uuid, get_uuid), 0, "SO_NECP_LISTENUUID matches"); } close(fd); } /* * Test SO_RESOLVER_SIGNATURE on different socket families */ T_DECL(so_resolver_signature_unix, "SO_RESOLVER_SIGNATURE fails on AF_UNIX", T_META_ASROOT(true)) { int fd; uint8_t signature[32] = {0}; fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_RESOLVER_SIGNATURE, signature, sizeof(signature)), EINVAL, "setsockopt SO_RESOLVER_SIGNATURE on AF_UNIX should fail"); close(fd); } /* * Test SO_MAX_PACING_RATE on different socket families */ T_DECL(so_max_pacing_rate_unix, "SO_MAX_PACING_RATE fails on AF_UNIX", T_META_ASROOT(true)) { int fd; uint64_t pacing_rate = 1000000; /* 1 Mbps */ fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_MAX_PACING_RATE, &pacing_rate, sizeof(pacing_rate)), EINVAL, "setsockopt SO_MAX_PACING_RATE on AF_UNIX should fail"); close(fd); } T_DECL(so_max_pacing_rate_inet, "SO_MAX_PACING_RATE succeeds on AF_INET", T_META_ASROOT(true)) { int fd; uint64_t pacing_rate = 1000000; /* 1 Mbps */ uint64_t get_rate = 0; socklen_t optlen = sizeof(get_rate); fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MAX_PACING_RATE, &pacing_rate, sizeof(pacing_rate)), "setsockopt SO_MAX_PACING_RATE on AF_INET"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_MAX_PACING_RATE, &get_rate, &optlen), "getsockopt SO_MAX_PACING_RATE on AF_INET"); T_EXPECT_EQ(get_rate, pacing_rate, "SO_MAX_PACING_RATE value matches"); close(fd); } T_DECL(so_max_pacing_rate_inet6_udp, "SO_MAX_PACING_RATE succeeds on AF_INET6 UDP", T_META_ASROOT(true)) { int fd; uint64_t pacing_rate = 5000000; /* 5 Mbps */ uint64_t get_rate = 0; socklen_t optlen = sizeof(get_rate); fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MAX_PACING_RATE, &pacing_rate, sizeof(pacing_rate)), "setsockopt SO_MAX_PACING_RATE on AF_INET6 UDP"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_MAX_PACING_RATE, &get_rate, &optlen), "getsockopt SO_MAX_PACING_RATE on AF_INET6 UDP"); T_EXPECT_EQ(get_rate, pacing_rate, "SO_MAX_PACING_RATE value matches"); close(fd); } /* * Test SO_CONNECTION_IDLE on different socket families */ T_DECL(so_connection_idle_unix, "SO_CONNECTION_IDLE fails on AF_UNIX", T_META_ASROOT(true)) { int fd; int is_idle = 1; fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_CONNECTION_IDLE, &is_idle, sizeof(is_idle)), EINVAL, "setsockopt SO_CONNECTION_IDLE on AF_UNIX should fail"); close(fd); } T_DECL(so_connection_idle_inet, "SO_CONNECTION_IDLE succeeds on AF_INET", T_META_ASROOT(true)) { int fd; int is_idle = 1; int get_idle = 0; socklen_t optlen = sizeof(get_idle); fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_CONNECTION_IDLE, &is_idle, sizeof(is_idle)), "setsockopt SO_CONNECTION_IDLE on AF_INET"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_CONNECTION_IDLE, &get_idle, &optlen), "getsockopt SO_CONNECTION_IDLE on AF_INET"); T_EXPECT_EQ(get_idle, 1, "SO_CONNECTION_IDLE value matches"); /* Test clearing the flag */ is_idle = 0; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_CONNECTION_IDLE, &is_idle, sizeof(is_idle)), "setsockopt SO_CONNECTION_IDLE clear on AF_INET"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_CONNECTION_IDLE, &get_idle, &optlen), "getsockopt SO_CONNECTION_IDLE on AF_INET"); T_EXPECT_EQ(get_idle, 0, "SO_CONNECTION_IDLE cleared"); close(fd); } T_DECL(so_connection_idle_inet6, "SO_CONNECTION_IDLE succeeds on AF_INET6", T_META_ASROOT(true)) { int fd; int is_idle = 1; int get_idle = 0; socklen_t optlen = sizeof(get_idle); fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_CONNECTION_IDLE, &is_idle, sizeof(is_idle)), "setsockopt SO_CONNECTION_IDLE on AF_INET6"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_CONNECTION_IDLE, &get_idle, &optlen), "getsockopt SO_CONNECTION_IDLE on AF_INET6"); T_EXPECT_EQ(get_idle, 1, "SO_CONNECTION_IDLE value matches"); close(fd); } /* * =========================== * Private SOL_SOCKET Options * =========================== */ /* * Test SO_TRAFFIC_CLASS - Traffic service class */ T_DECL(so_traffic_class_inet_tcp, "SO_TRAFFIC_CLASS on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Test different traffic classes */ int tc_values[] = {SO_TC_BE, SO_TC_BK, SO_TC_BK_SYS, SO_TC_RD, SO_TC_OAM, SO_TC_AV, SO_TC_RV, SO_TC_VI, SO_TC_VO, SO_TC_CTL}; for (size_t i = 0; i < sizeof(tc_values) / sizeof(tc_values[0]); i++) { int setval = tc_values[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &setval, sizeof(setval)), "setsockopt SO_TRAFFIC_CLASS = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &getval, &optlen), "getsockopt SO_TRAFFIC_CLASS"); T_EXPECT_EQ(getval, setval, "SO_TRAFFIC_CLASS value matches (expected %d, got %d)", setval, getval); } close(fd); } T_DECL(so_traffic_class_inet_udp, "SO_TRAFFIC_CLASS on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); /* Test a few traffic classes */ int setval = SO_TC_AV; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &setval, sizeof(setval)), "setsockopt SO_TRAFFIC_CLASS = SO_TC_AV"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &getval, &optlen), "getsockopt SO_TRAFFIC_CLASS"); T_EXPECT_EQ(getval, SO_TC_AV, "SO_TRAFFIC_CLASS is SO_TC_AV"); close(fd); } T_DECL(so_traffic_class_invalid, "SO_TRAFFIC_CLASS rejects invalid values") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Test invalid traffic class value */ int invalid = 9999; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &invalid, sizeof(invalid)), EINVAL, "SO_TRAFFIC_CLASS should reject invalid value"); close(fd); } /* * Test SO_RECV_TRAFFIC_CLASS - Receive traffic class */ T_DECL(so_recv_traffic_class_inet_udp, "SO_RECV_TRAFFIC_CLASS on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_RECV_TRAFFIC_CLASS, "SO_RECV_TRAFFIC_CLASS", 1, true); test_bool_option(fd, SO_RECV_TRAFFIC_CLASS, "SO_RECV_TRAFFIC_CLASS", 0, false); close(fd); } /* * Test SO_TRAFFIC_MGT_BACKGROUND - Background traffic management */ T_DECL(so_traffic_mgt_background_inet_tcp, "SO_TRAFFIC_MGT_BACKGROUND on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_TRAFFIC_MGT_BACKGROUND, "SO_TRAFFIC_MGT_BACKGROUND", 1, true); test_bool_option(fd, SO_TRAFFIC_MGT_BACKGROUND, "SO_TRAFFIC_MGT_BACKGROUND", 0, false); close(fd); } /* * Test SO_RECV_ANYIF - Unrestricted inbound processing */ T_DECL(so_recv_anyif_inet_udp, "SO_RECV_ANYIF on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_RECV_ANYIF, "SO_RECV_ANYIF", 1, true); test_bool_option(fd, SO_RECV_ANYIF, "SO_RECV_ANYIF", 0, false); close(fd); } /* * Test SO_DEFUNCTOK - Socket can be defunct'd */ T_DECL(so_defunctok_inet_tcp, "SO_DEFUNCTOK on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_DEFUNCTOK, "SO_DEFUNCTOK", 1, true); close(fd); } /* * Test SO_ISDEFUNCT - Get defunct status (read-only) */ T_DECL(so_isdefunct_readonly, "SO_ISDEFUNCT is read-only") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Should be able to read defunct status */ int defunct = 0; socklen_t optlen = sizeof(defunct); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_ISDEFUNCT, &defunct, &optlen), "getsockopt SO_ISDEFUNCT"); T_LOG("SO_ISDEFUNCT: %d", defunct); /* Should not be able to set it */ defunct = 1; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_ISDEFUNCT, &defunct, sizeof(defunct)), EINVAL, "setsockopt SO_ISDEFUNCT should fail (read-only)"); close(fd); } /* * Test SO_RESTRICTIONS - Deny flags */ T_DECL(so_restrictions_inet_tcp, "SO_RESTRICTIONS on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Test setting restrictions */ int restrictions = SO_RESTRICT_DENY_CELLULAR | SO_RESTRICT_DENY_EXPENSIVE; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RESTRICTIONS, &restrictions, sizeof(restrictions)), "setsockopt SO_RESTRICTIONS"); int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RESTRICTIONS, &getval, &optlen), "getsockopt SO_RESTRICTIONS"); T_EXPECT_EQ(getval, restrictions, "SO_RESTRICTIONS value matches (expected 0x%x, got 0x%x)", restrictions, getval); close(fd); } /* * Test SO_FLUSH - Flush unsent data */ T_DECL(so_flush_inet_tcp, "SO_FLUSH on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Flush all traffic classes */ int flush_val = SO_TC_ALL; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_FLUSH, &flush_val, sizeof(flush_val)), "setsockopt SO_FLUSH = SO_TC_ALL"); /* Flush specific traffic class */ flush_val = SO_TC_BE; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_FLUSH, &flush_val, sizeof(flush_val)), "setsockopt SO_FLUSH = SO_TC_BE"); close(fd); } /* * Test SO_EXTENDED_BK_IDLE - Extended background idle time * Note: This is a boolean option (0 = disable, non-zero = enable), not a time value */ T_DECL(so_extended_bk_idle_inet_tcp, "SO_EXTENDED_BK_IDLE on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Enable extended background idle */ int enable = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &enable, sizeof(enable)), "setsockopt SO_EXTENDED_BK_IDLE = 1"); int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &getval, &optlen), "getsockopt SO_EXTENDED_BK_IDLE"); T_EXPECT_NE(getval, 0, "SO_EXTENDED_BK_IDLE is enabled (got %d)", getval); /* Disable extended background idle */ int disable = 0; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &disable, sizeof(disable)), "setsockopt SO_EXTENDED_BK_IDLE = 0"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &getval, &optlen), "getsockopt SO_EXTENDED_BK_IDLE"); T_EXPECT_EQ(getval, 0, "SO_EXTENDED_BK_IDLE is disabled"); close(fd); } /* * Test SO_MARK_CELLFALLBACK - Mark as initiated by cell fallback */ T_DECL(so_mark_cellfallback_inet_tcp, "SO_MARK_CELLFALLBACK on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int mark = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MARK_CELLFALLBACK, &mark, sizeof(mark)), "setsockopt SO_MARK_CELLFALLBACK"); /* This is a one-way marking option, getsockopt may not be supported */ int getval = 0; socklen_t optlen = sizeof(getval); int ret = getsockopt(fd, SOL_SOCKET, SO_MARK_CELLFALLBACK, &getval, &optlen); if (ret == 0) { T_LOG("SO_MARK_CELLFALLBACK getsockopt returned: %d", getval); } close(fd); } /* * Test SO_MARK_KNOWN_TRACKER - Mark as connection to known tracker */ T_DECL(so_mark_known_tracker_inet_tcp, "SO_MARK_KNOWN_TRACKER on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int mark = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MARK_KNOWN_TRACKER, &mark, sizeof(mark)), "setsockopt SO_MARK_KNOWN_TRACKER"); close(fd); } /* * Test SO_MARK_KNOWN_TRACKER_NON_APP_INITIATED - Mark tracker as non-app initiated */ T_DECL(so_mark_known_tracker_non_app_initiated_inet_tcp, "SO_MARK_KNOWN_TRACKER_NON_APP_INITIATED on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int mark = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MARK_KNOWN_TRACKER_NON_APP_INITIATED, &mark, sizeof(mark)), "setsockopt SO_MARK_KNOWN_TRACKER_NON_APP_INITIATED"); close(fd); } /* * Test SO_MARK_APPROVED_APP_DOMAIN - Mark as approved app domain */ T_DECL(so_mark_approved_app_domain_inet_tcp, "SO_MARK_APPROVED_APP_DOMAIN on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int mark = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MARK_APPROVED_APP_DOMAIN, &mark, sizeof(mark)), "setsockopt SO_MARK_APPROVED_APP_DOMAIN"); close(fd); } /* * Test SO_MARK_WAKE_PKT - Mark next packet as wake packet */ T_DECL(so_mark_wake_pkt_inet_udp, "SO_MARK_WAKE_PKT on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); int mark = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MARK_WAKE_PKT, &mark, sizeof(mark)), "setsockopt SO_MARK_WAKE_PKT"); close(fd); } /* * Test SO_RECV_WAKE_PKT - Receive wake packet indication */ T_DECL(so_recv_wake_pkt_inet_udp, "SO_RECV_WAKE_PKT on AF_INET UDP") { int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_DGRAM)"); test_bool_option(fd, SO_RECV_WAKE_PKT, "SO_RECV_WAKE_PKT", 1, true); test_bool_option(fd, SO_RECV_WAKE_PKT, "SO_RECV_WAKE_PKT", 0, false); close(fd); } /* * Test SO_MARK_DOMAIN_INFO_SILENT - Domain info should be silently withheld */ T_DECL(so_mark_domain_info_silent_inet_tcp, "SO_MARK_DOMAIN_INFO_SILENT on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int mark = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_MARK_DOMAIN_INFO_SILENT, &mark, sizeof(mark)), "setsockopt SO_MARK_DOMAIN_INFO_SILENT"); close(fd); } /* * Test SO_WANT_KEV_SOCKET_CLOSED - Want delivery of KEV_SOCKET_CLOSED * Note: This is write-only, getsockopt is not supported */ T_DECL(so_want_kev_socket_closed_inet_tcp, "SO_WANT_KEV_SOCKET_CLOSED on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Enable KEV_SOCKET_CLOSED events */ int enable = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_WANT_KEV_SOCKET_CLOSED, &enable, sizeof(enable)), "setsockopt SO_WANT_KEV_SOCKET_CLOSED = 1"); /* Disable KEV_SOCKET_CLOSED events */ int disable = 0; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_WANT_KEV_SOCKET_CLOSED, &disable, sizeof(disable)), "setsockopt SO_WANT_KEV_SOCKET_CLOSED = 0"); /* getsockopt is not supported for this option */ int getval = 0; socklen_t optlen = sizeof(getval); int ret = getsockopt(fd, SOL_SOCKET, SO_WANT_KEV_SOCKET_CLOSED, &getval, &optlen); T_ASSERT_EQ(ret, -1, "getsockopt SO_WANT_KEV_SOCKET_CLOSED should fail (write-only)"); T_EXPECT_EQ(errno, ENOPROTOOPT, "errno should be ENOPROTOOPT (got %d: %s)", errno, strerror(errno)); close(fd); } /* * Test SO_QOSMARKING_POLICY_OVERRIDE - QoS marking policy override * Note: Only available on iOS, not macOS */ #if TARGET_OS_IPHONE T_DECL(so_qosmarking_policy_override_inet_tcp, "SO_QOSMARKING_POLICY_OVERRIDE on AF_INET TCP (iOS)", T_META_ENABLED(TARGET_OS_IPHONE)) { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); int policy = 1; int getval = 0; socklen_t optlen = sizeof(getval); T_MAYFAIL; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_QOSMARKING_POLICY_OVERRIDE, &policy, sizeof(policy)), "setsockopt SO_QOSMARKING_POLICY_OVERRIDE"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_QOSMARKING_POLICY_OVERRIDE, &getval, &optlen), "getsockopt SO_QOSMARKING_POLICY_OVERRIDE"); T_MAYFAIL; T_EXPECT_EQ(getval, policy, "SO_QOSMARKING_POLICY_OVERRIDE value matches (expected %d, got %d)", policy, getval); close(fd); } #else T_DECL(so_qosmarking_policy_override_inet_tcp, "SO_QOSMARKING_POLICY_OVERRIDE on AF_INET TCP (macOS)", T_META_ENABLED(!TARGET_OS_IPHONE)) { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* On macOS, SO_QOSMARKING_POLICY_OVERRIDE is not available */ int policy = 1; int ret = setsockopt(fd, SOL_SOCKET, SO_QOSMARKING_POLICY_OVERRIDE, &policy, sizeof(policy)); T_MAYFAIL; /* Should fail - exact error may vary (ENOPROTOOPT or EPERM) */ if (ret == -1) { T_LOG("SO_QOSMARKING_POLICY_OVERRIDE failed as expected on macOS: %d (%s)", errno, strerror(errno)); } else { T_FAIL("SO_QOSMARKING_POLICY_OVERRIDE should not be available on macOS"); } close(fd); } #endif /* * Test SO_FALLBACK_MODE - Fallback mode (read-only) */ T_DECL(so_fallback_mode_readonly, "SO_FALLBACK_MODE is read-only") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Should be able to read fallback mode */ int mode = 0; socklen_t optlen = sizeof(mode); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_FALLBACK_MODE, &mode, &optlen), "getsockopt SO_FALLBACK_MODE"); T_LOG("SO_FALLBACK_MODE: %d", mode); /* Setting should fail (read-only) */ mode = 1; int ret = setsockopt(fd, SOL_SOCKET, SO_FALLBACK_MODE, &mode, sizeof(mode)); if (ret == -1) { T_LOG("setsockopt SO_FALLBACK_MODE failed as expected: %s", strerror(errno)); } close(fd); } /* * Test SO_STATISTICS_EVENT - Statistics event */ T_DECL(so_statistics_event_inet_tcp, "SO_STATISTICS_EVENT on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Set statistics event */ int64_t event = SO_STATISTICS_EVENT_ENTER_CELLFALLBACK; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_STATISTICS_EVENT, &event, sizeof(event)), "setsockopt SO_STATISTICS_EVENT = ENTER_CELLFALLBACK"); event = SO_STATISTICS_EVENT_EXIT_CELLFALLBACK; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_STATISTICS_EVENT, &event, sizeof(event)), "setsockopt SO_STATISTICS_EVENT = EXIT_CELLFALLBACK"); close(fd); } /* * Test multiple private options on same socket */ T_DECL(so_private_multiple_options, "Multiple private SOL_SOCKET options on same socket") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Set multiple options */ int tc = SO_TC_VI; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &tc, sizeof(tc)), "setsockopt SO_TRAFFIC_CLASS"); int recv_tc = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RECV_TRAFFIC_CLASS, &recv_tc, sizeof(recv_tc)), "setsockopt SO_RECV_TRAFFIC_CLASS"); int restrictions = SO_RESTRICT_DENY_CELLULAR; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RESTRICTIONS, &restrictions, sizeof(restrictions)), "setsockopt SO_RESTRICTIONS"); int recv_anyif = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RECV_ANYIF, &recv_anyif, sizeof(recv_anyif)), "setsockopt SO_RECV_ANYIF"); /* Verify all options */ int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &getval, &optlen), "getsockopt SO_TRAFFIC_CLASS"); T_EXPECT_EQ(getval, SO_TC_VI, "SO_TRAFFIC_CLASS still set"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RECV_TRAFFIC_CLASS, &getval, &optlen), "getsockopt SO_RECV_TRAFFIC_CLASS"); T_EXPECT_NE(getval, 0, "SO_RECV_TRAFFIC_CLASS still enabled"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RESTRICTIONS, &getval, &optlen), "getsockopt SO_RESTRICTIONS"); T_EXPECT_EQ(getval, SO_RESTRICT_DENY_CELLULAR, "SO_RESTRICTIONS still set"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RECV_ANYIF, &getval, &optlen), "getsockopt SO_RECV_ANYIF"); T_EXPECT_NE(getval, 0, "SO_RECV_ANYIF still enabled"); close(fd); } /* * Additional AF_INET6 coverage for private SOL_SOCKET options * Testing options that were previously only tested on AF_INET */ T_DECL(so_traffic_class_inet6_tcp, "SO_TRAFFIC_CLASS on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); /* Test different traffic classes */ int tc_values[] = {SO_TC_BE, SO_TC_BK, SO_TC_VI, SO_TC_VO, SO_TC_CTL}; for (size_t i = 0; i < sizeof(tc_values) / sizeof(tc_values[0]); i++) { int setval = tc_values[i]; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &setval, sizeof(setval)), "setsockopt SO_TRAFFIC_CLASS = %d", setval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &getval, &optlen), "getsockopt SO_TRAFFIC_CLASS"); T_EXPECT_EQ(getval, setval, "SO_TRAFFIC_CLASS value matches (expected %d, got %d)", setval, getval); } close(fd); } T_DECL(so_traffic_class_inet6_udp, "SO_TRAFFIC_CLASS on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); int setval = SO_TC_AV; int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &setval, sizeof(setval)), "setsockopt SO_TRAFFIC_CLASS = SO_TC_AV"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_TRAFFIC_CLASS, &getval, &optlen), "getsockopt SO_TRAFFIC_CLASS"); T_EXPECT_EQ(getval, SO_TC_AV, "SO_TRAFFIC_CLASS is SO_TC_AV"); close(fd); } T_DECL(so_recv_anyif_inet6_udp, "SO_RECV_ANYIF on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_RECV_ANYIF, "SO_RECV_ANYIF", 1, true); test_bool_option(fd, SO_RECV_ANYIF, "SO_RECV_ANYIF", 0, false); close(fd); } T_DECL(so_traffic_mgt_background_inet6_tcp, "SO_TRAFFIC_MGT_BACKGROUND on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); test_bool_option(fd, SO_TRAFFIC_MGT_BACKGROUND, "SO_TRAFFIC_MGT_BACKGROUND", 1, true); test_bool_option(fd, SO_TRAFFIC_MGT_BACKGROUND, "SO_TRAFFIC_MGT_BACKGROUND", 0, false); close(fd); } T_DECL(so_recv_traffic_class_inet6_udp, "SO_RECV_TRAFFIC_CLASS on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_RECV_TRAFFIC_CLASS, "SO_RECV_TRAFFIC_CLASS", 1, true); test_bool_option(fd, SO_RECV_TRAFFIC_CLASS, "SO_RECV_TRAFFIC_CLASS", 0, false); close(fd); } T_DECL(so_restrictions_inet6_tcp, "SO_RESTRICTIONS on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); int restrictions = SO_RESTRICT_DENY_CELLULAR | SO_RESTRICT_DENY_EXPENSIVE; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_RESTRICTIONS, &restrictions, sizeof(restrictions)), "setsockopt SO_RESTRICTIONS"); int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_RESTRICTIONS, &getval, &optlen), "getsockopt SO_RESTRICTIONS"); T_EXPECT_EQ(getval, restrictions, "SO_RESTRICTIONS value matches (expected 0x%x, got 0x%x)", restrictions, getval); close(fd); } T_DECL(so_extended_bk_idle_inet6_tcp, "SO_EXTENDED_BK_IDLE on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); /* Enable extended background idle */ int enable = 1; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &enable, sizeof(enable)), "setsockopt SO_EXTENDED_BK_IDLE = 1"); int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &getval, &optlen), "getsockopt SO_EXTENDED_BK_IDLE"); T_EXPECT_NE(getval, 0, "SO_EXTENDED_BK_IDLE is enabled (got %d)", getval); /* Disable extended background idle */ int disable = 0; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &disable, sizeof(disable)), "setsockopt SO_EXTENDED_BK_IDLE = 0"); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &getval, &optlen), "getsockopt SO_EXTENDED_BK_IDLE"); T_EXPECT_EQ(getval, 0, "SO_EXTENDED_BK_IDLE is disabled"); close(fd); } T_DECL(so_defunctok_inet6_tcp, "SO_DEFUNCTOK on AF_INET6 TCP") { int fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_STREAM)"); test_bool_option(fd, SO_DEFUNCTOK, "SO_DEFUNCTOK", 1, true); close(fd); } /* * AF_UNIX coverage for private SOL_SOCKET options * Testing that private SOL_SOCKET options work on Unix domain sockets */ T_DECL(so_defunctok_unix_stream, "SO_DEFUNCTOK on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); test_bool_option(fd, SO_DEFUNCTOK, "SO_DEFUNCTOK", 1, true); close(fd); } T_DECL(so_extended_bk_idle_unix_stream_not_supported, "SO_EXTENDED_BK_IDLE not supported on AF_UNIX") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); /* SO_EXTENDED_BK_IDLE is only supported on PF_INET/PF_INET6 + IPPROTO_TCP */ int enable = 1; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &enable, sizeof(enable)), EOPNOTSUPP, "setsockopt SO_EXTENDED_BK_IDLE should fail on AF_UNIX with EOPNOTSUPP"); /* getsockopt should still work but return disabled state */ int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_EXTENDED_BK_IDLE, &getval, &optlen), "getsockopt SO_EXTENDED_BK_IDLE"); T_EXPECT_EQ(getval, 0, "SO_EXTENDED_BK_IDLE is not set (got %d)", getval); close(fd); } T_DECL(so_isdefunct_unix_stream, "SO_ISDEFUNCT on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); /* Should be able to read defunct status */ int defunct = 0; socklen_t optlen = sizeof(defunct); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_ISDEFUNCT, &defunct, &optlen), "getsockopt SO_ISDEFUNCT"); T_LOG("SO_ISDEFUNCT: %d", defunct); close(fd); } /* * =========================== * Security/Identity Options * =========================== */ /* * Test SO_LABEL - MAC framework label (deprecated) */ T_DECL(so_label_deprecated, "SO_LABEL is deprecated and returns EOPNOTSUPP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* SO_LABEL is deprecated and should return EOPNOTSUPP */ int label = 1; T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_LABEL, &label, sizeof(label)), EOPNOTSUPP, "setsockopt SO_LABEL should fail (deprecated)"); /* getsockopt should also fail */ socklen_t optlen = sizeof(label); T_ASSERT_POSIX_FAILURE( getsockopt(fd, SOL_SOCKET, SO_LABEL, &label, &optlen), EOPNOTSUPP, "getsockopt SO_LABEL should fail (deprecated)"); close(fd); } /* * Test SO_PEERLABEL - Get peer's MAC label (deprecated) */ T_DECL(so_peerlabel_deprecated, "SO_PEERLABEL is deprecated and returns EOPNOTSUPP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* SO_PEERLABEL is deprecated and should return EOPNOTSUPP */ int label = 0; socklen_t optlen = sizeof(label); T_ASSERT_POSIX_FAILURE( getsockopt(fd, SOL_SOCKET, SO_PEERLABEL, &label, &optlen), EOPNOTSUPP, "getsockopt SO_PEERLABEL should fail (deprecated)"); close(fd); } /* * Test SO_DELEGATED - Delegated socket (set effective PID) * Note: This is a write-only option, getsockopt is not supported */ T_DECL(so_delegated_inet_tcp, "SO_DELEGATED on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Try to set to our own PID (should succeed) */ pid_t mypid = getpid(); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_DELEGATED, &mypid, sizeof(mypid)), "setsockopt SO_DELEGATED = own PID"); /* getsockopt is not supported for this option (write-only) */ pid_t getpid_val = 0; socklen_t optlen = sizeof(getpid_val); int ret = getsockopt(fd, SOL_SOCKET, SO_DELEGATED, &getpid_val, &optlen); T_ASSERT_EQ(ret, -1, "getsockopt SO_DELEGATED should fail (write-only)"); T_EXPECT_EQ(errno, ENOPROTOOPT, "errno should be ENOPROTOOPT (got %d: %s)", errno, strerror(errno)); close(fd); } T_DECL(so_delegated_inet6_udp, "SO_DELEGATED on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); pid_t mypid = getpid(); T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_DELEGATED, &mypid, sizeof(mypid)), "setsockopt SO_DELEGATED = own PID"); close(fd); } T_DECL(so_delegated_fails_on_unix, "SO_DELEGATED works on AF_UNIX") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); /* SO_DELEGATED should work on AF_UNIX */ pid_t mypid = getpid(); int ret = setsockopt(fd, SOL_SOCKET, SO_DELEGATED, &mypid, sizeof(mypid)); if (ret == 0) { T_LOG("SO_DELEGATED succeeded on AF_UNIX"); } else { T_LOG("SO_DELEGATED failed on AF_UNIX: %d (%s)", errno, strerror(errno)); } close(fd); } /* * Test SO_DELEGATED_UUID - Delegated socket by UUID * Note: This is a write-only option, getsockopt is not supported */ T_DECL(so_delegated_uuid_inet_tcp, "SO_DELEGATED_UUID on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Generate a UUID */ uuid_t test_uuid; uuid_clear(test_uuid); uuid_generate(test_uuid); /* Try to set the UUID - may fail without proper entitlements/permissions */ int ret = setsockopt(fd, SOL_SOCKET, SO_DELEGATED_UUID, &test_uuid, sizeof(test_uuid)); if (ret == -1) { T_LOG("SO_DELEGATED_UUID failed as expected: %d (%s)", errno, strerror(errno)); } else { T_LOG("SO_DELEGATED_UUID succeeded"); /* getsockopt is not supported (write-only) */ uuid_t get_uuid; socklen_t optlen = sizeof(get_uuid); ret = getsockopt(fd, SOL_SOCKET, SO_DELEGATED_UUID, &get_uuid, &optlen); T_ASSERT_EQ(ret, -1, "getsockopt SO_DELEGATED_UUID should fail (write-only)"); T_EXPECT_EQ(errno, ENOPROTOOPT, "errno should be ENOPROTOOPT (got %d: %s)", errno, strerror(errno)); } close(fd); } T_DECL(so_delegated_uuid_inet6_udp, "SO_DELEGATED_UUID on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); uuid_t test_uuid; uuid_clear(test_uuid); uuid_generate(test_uuid); int ret = setsockopt(fd, SOL_SOCKET, SO_DELEGATED_UUID, &test_uuid, sizeof(test_uuid)); if (ret == -1) { T_LOG("SO_DELEGATED_UUID failed: %d (%s)", errno, strerror(errno)); } else { T_LOG("SO_DELEGATED_UUID succeeded"); } close(fd); } /* * Test SO_EXECPATH - Executable path (Application Firewall) */ T_DECL(so_execpath_inet_tcp, "SO_EXECPATH on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* Try to set executable path */ char execpath[1024] = "/usr/bin/test"; int ret = setsockopt(fd, SOL_SOCKET, SO_EXECPATH, execpath, (socklen_t)strlen(execpath) + 1); if (ret == -1) { T_LOG("SO_EXECPATH setsockopt failed: %d (%s)", errno, strerror(errno)); } else { T_LOG("SO_EXECPATH setsockopt succeeded"); } /* Try to get executable path */ char getpath[1024] = {0}; socklen_t optlen = sizeof(getpath); ret = getsockopt(fd, SOL_SOCKET, SO_EXECPATH, getpath, &optlen); if (ret == -1) { T_LOG("SO_EXECPATH getsockopt failed: %d (%s)", errno, strerror(errno)); } else { T_LOG("SO_EXECPATH getsockopt succeeded: %s", getpath); } close(fd); } /* * Test SO_APPLICATION_ID - Application identifier */ T_DECL(so_application_id_inet_tcp, "SO_APPLICATION_ID on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* SO_APPLICATION_ID requires PF_INET or PF_INET6 */ so_application_id_t app_id; memset(&app_id, 0, sizeof(app_id)); app_id.uid = getuid(); uuid_generate(app_id.effective_uuid); app_id.persona_id = (uid_t)-1; /* PERSONA_ID_NONE */ int ret = setsockopt(fd, SOL_SOCKET, SO_APPLICATION_ID, &app_id, sizeof(app_id)); if (ret == -1) { T_LOG("SO_APPLICATION_ID setsockopt failed: %d (%s)", errno, strerror(errno)); } else { T_LOG("SO_APPLICATION_ID setsockopt succeeded"); /* Try to get it back */ so_application_id_t get_app_id; socklen_t optlen = sizeof(get_app_id); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_APPLICATION_ID, &get_app_id, &optlen), "getsockopt SO_APPLICATION_ID"); T_EXPECT_EQ(get_app_id.uid, app_id.uid, "SO_APPLICATION_ID uid matches"); T_LOG("SO_APPLICATION_ID persona_id: %u", get_app_id.persona_id); } close(fd); } T_DECL(so_application_id_fails_on_unix, "SO_APPLICATION_ID fails on AF_UNIX") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); /* SO_APPLICATION_ID requires PF_INET or PF_INET6 */ so_application_id_t app_id; memset(&app_id, 0, sizeof(app_id)); app_id.uid = getuid(); uuid_generate(app_id.effective_uuid); app_id.persona_id = (uid_t)-1; /* PERSONA_ID_NONE */ T_ASSERT_POSIX_FAILURE( setsockopt(fd, SOL_SOCKET, SO_APPLICATION_ID, &app_id, sizeof(app_id)), EINVAL, "setsockopt SO_APPLICATION_ID should fail on AF_UNIX"); close(fd); } /* * Test SO_OPPORTUNISTIC - Opportunistic networking (deprecated) */ T_DECL(so_opportunistic_inet_tcp, "SO_OPPORTUNISTIC on AF_INET TCP (deprecated)") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* SO_OPPORTUNISTIC is deprecated - use SO_TRAFFIC_CLASS instead */ test_bool_option(fd, SO_OPPORTUNISTIC, "SO_OPPORTUNISTIC", 1, true); test_bool_option(fd, SO_OPPORTUNISTIC, "SO_OPPORTUNISTIC", 0, false); close(fd); } T_DECL(so_opportunistic_inet6_udp, "SO_OPPORTUNISTIC on AF_INET6 UDP (deprecated)") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_OPPORTUNISTIC, "SO_OPPORTUNISTIC", 1, true); test_bool_option(fd, SO_OPPORTUNISTIC, "SO_OPPORTUNISTIC", 0, false); close(fd); } /* * Test SO_PRIVILEGED_TRAFFIC_CLASS - Privileged traffic class * Note: Requires special entitlements, may fail with EPERM */ T_DECL(so_privileged_traffic_class_inet_tcp, "SO_PRIVILEGED_TRAFFIC_CLASS on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); /* SO_PRIVILEGED_TRAFFIC_CLASS is a boolean option requiring special entitlements */ int enable = 1; int ret = setsockopt(fd, SOL_SOCKET, SO_PRIVILEGED_TRAFFIC_CLASS, &enable, sizeof(enable)); if (ret == -1) { T_LOG("SO_PRIVILEGED_TRAFFIC_CLASS failed (expected without entitlements): %d (%s)", errno, strerror(errno)); T_EXPECT_EQ(errno, EPERM, "Should fail with EPERM without entitlements"); } else { T_LOG("SO_PRIVILEGED_TRAFFIC_CLASS succeeded (has required entitlements)"); /* Verify it was set */ int getval = 0; socklen_t optlen = sizeof(getval); T_ASSERT_POSIX_SUCCESS( getsockopt(fd, SOL_SOCKET, SO_PRIVILEGED_TRAFFIC_CLASS, &getval, &optlen), "getsockopt SO_PRIVILEGED_TRAFFIC_CLASS"); T_EXPECT_NE(getval, 0, "SO_PRIVILEGED_TRAFFIC_CLASS is enabled"); /* Disable it */ int disable = 0; T_ASSERT_POSIX_SUCCESS( setsockopt(fd, SOL_SOCKET, SO_PRIVILEGED_TRAFFIC_CLASS, &disable, sizeof(disable)), "setsockopt SO_PRIVILEGED_TRAFFIC_CLASS = 0"); } close(fd); } T_DECL(so_privileged_traffic_class_inet6_udp, "SO_PRIVILEGED_TRAFFIC_CLASS on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); /* SO_PRIVILEGED_TRAFFIC_CLASS requires special entitlements */ int enable = 1; int ret = setsockopt(fd, SOL_SOCKET, SO_PRIVILEGED_TRAFFIC_CLASS, &enable, sizeof(enable)); if (ret == -1) { T_LOG("SO_PRIVILEGED_TRAFFIC_CLASS failed (expected without entitlements): %d (%s)", errno, strerror(errno)); T_EXPECT_EQ(errno, EPERM, "Should fail with EPERM without entitlements"); } else { T_LOG("SO_PRIVILEGED_TRAFFIC_CLASS succeeded (has required entitlements)"); } close(fd); } /* * Test SO_NOWAKEFROMSLEEP - Don't wake device from sleep */ T_DECL(so_nowakefromsleep_inet_tcp, "SO_NOWAKEFROMSLEEP on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_NOWAKEFROMSLEEP, "SO_NOWAKEFROMSLEEP", 1, true); test_bool_option(fd, SO_NOWAKEFROMSLEEP, "SO_NOWAKEFROMSLEEP", 0, false); close(fd); } T_DECL(so_nowakefromsleep_inet6_udp, "SO_NOWAKEFROMSLEEP on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_NOWAKEFROMSLEEP, "SO_NOWAKEFROMSLEEP", 1, true); test_bool_option(fd, SO_NOWAKEFROMSLEEP, "SO_NOWAKEFROMSLEEP", 0, false); close(fd); } T_DECL(so_nowakefromsleep_unix_stream, "SO_NOWAKEFROMSLEEP on AF_UNIX STREAM") { int fd = socket(AF_UNIX, SOCK_STREAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_STREAM)"); test_bool_option(fd, SO_NOWAKEFROMSLEEP, "SO_NOWAKEFROMSLEEP", 1, true); test_bool_option(fd, SO_NOWAKEFROMSLEEP, "SO_NOWAKEFROMSLEEP", 0, false); close(fd); } /* * Test SO_NOAPNFALLBK - No APN fallback */ T_DECL(so_noapnfallbk_inet_tcp, "SO_NOAPNFALLBK on AF_INET TCP") { int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET, SOCK_STREAM)"); test_bool_option(fd, SO_NOAPNFALLBK, "SO_NOAPNFALLBK", 1, true); test_bool_option(fd, SO_NOAPNFALLBK, "SO_NOAPNFALLBK", 0, false); close(fd); } T_DECL(so_noapnfallbk_inet6_udp, "SO_NOAPNFALLBK on AF_INET6 UDP") { int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_INET6, SOCK_DGRAM)"); test_bool_option(fd, SO_NOAPNFALLBK, "SO_NOAPNFALLBK", 1, true); test_bool_option(fd, SO_NOAPNFALLBK, "SO_NOAPNFALLBK", 0, false); close(fd); } T_DECL(so_noapnfallbk_unix_dgram, "SO_NOAPNFALLBK on AF_UNIX DGRAM") { int fd = socket(AF_UNIX, SOCK_DGRAM, 0); T_ASSERT_POSIX_SUCCESS(fd, "socket(AF_UNIX, SOCK_DGRAM)"); test_bool_option(fd, SO_NOAPNFALLBK, "SO_NOAPNFALLBK", 1, true); test_bool_option(fd, SO_NOAPNFALLBK, "SO_NOAPNFALLBK", 0, false); close(fd); } |