1/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to 5 * deal in the Software without restriction, including without limitation the 6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 7 * sell copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 19 * IN THE SOFTWARE. 20 */ 21 22#include "uv.h" 23#include "task.h" 24 25#include <stdio.h> 26#include <string.h> 27 28#ifdef __linux__ 29# include <sys/socket.h> 30# include <net/if.h> 31#endif 32 33 34TEST_IMPL(ip6_addr_link_local) { 35#if defined(__CYGWIN__) || defined(__MSYS__) 36 /* FIXME: Does Cygwin support this? */ 37 RETURN_SKIP("FIXME: This test needs more investigation on Cygwin"); 38#endif 39 char string_address[INET6_ADDRSTRLEN]; 40 uv_interface_address_t* addresses; 41 uv_interface_address_t* address; 42 struct sockaddr_in6 addr; 43 unsigned int iface_index; 44 const char* device_name; 45 /* 40 bytes address, 16 bytes device name, plus reserve. */ 46 char scoped_addr[128]; 47 size_t scoped_addr_len; 48 char interface_id[UV_IF_NAMESIZE]; 49 size_t interface_id_len; 50 int count; 51 int ix; 52 int r; 53 54 ASSERT(0 == uv_interface_addresses(&addresses, &count)); 55 56 for (ix = 0; ix < count; ix++) { 57 address = addresses + ix; 58 59 if (address->address.address6.sin6_family != AF_INET6) 60 continue; 61 62 ASSERT(0 == uv_inet_ntop(AF_INET6, 63 &address->address.address6.sin6_addr, 64 string_address, 65 sizeof(string_address))); 66 67 /* Skip addresses that are not link-local. */ 68 if (strncmp(string_address, "fe80::", 6) != 0) 69 continue; 70 71 iface_index = address->address.address6.sin6_scope_id; 72 device_name = address->name; 73 74 scoped_addr_len = sizeof(scoped_addr); 75 ASSERT(0 == uv_if_indextoname(iface_index, scoped_addr, &scoped_addr_len)); 76#ifndef _WIN32 77 /* This assert fails on Windows, as Windows semantics are different. */ 78 ASSERT(0 == strcmp(device_name, scoped_addr)); 79#endif 80 81 interface_id_len = sizeof(interface_id); 82 r = uv_if_indextoiid(iface_index, interface_id, &interface_id_len); 83 ASSERT(0 == r); 84#ifdef _WIN32 85 /* On Windows, the interface identifier is the numeric string of the index. */ 86 ASSERT(strtoul(interface_id, NULL, 10) == iface_index); 87#else 88 /* On Unix/Linux, the interface identifier is the interface device name. */ 89 ASSERT(0 == strcmp(device_name, interface_id)); 90#endif 91 92 snprintf(scoped_addr, 93 sizeof(scoped_addr), 94 "%s%%%s", 95 string_address, 96 interface_id); 97 98 fprintf(stderr, "Testing link-local address %s " 99 "(iface_index: 0x%02x, device_name: %s)\n", 100 scoped_addr, 101 iface_index, 102 device_name); 103 fflush(stderr); 104 105 ASSERT(0 == uv_ip6_addr(scoped_addr, TEST_PORT, &addr)); 106 fprintf(stderr, "Got scope_id 0x%02x\n", addr.sin6_scope_id); 107 fflush(stderr); 108 ASSERT(iface_index == addr.sin6_scope_id); 109 } 110 111 uv_free_interface_addresses(addresses, count); 112 113 scoped_addr_len = sizeof(scoped_addr); 114 ASSERT(0 != uv_if_indextoname((unsigned int)-1, scoped_addr, &scoped_addr_len)); 115 116 MAKE_VALGRIND_HAPPY(); 117 return 0; 118} 119 120 121#define GOOD_ADDR_LIST(X) \ 122 X("::") \ 123 X("::1") \ 124 X("fe80::1") \ 125 X("fe80::") \ 126 X("fe80::2acf:daff:fedd:342a") \ 127 X("fe80:0:0:0:2acf:daff:fedd:342a") \ 128 X("fe80:0:0:0:2acf:daff:1.2.3.4") \ 129 X("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") \ 130 131#define BAD_ADDR_LIST(X) \ 132 X(":::1") \ 133 X("abcde::1") \ 134 X("fe80:0:0:0:2acf:daff:fedd:342a:5678") \ 135 X("fe80:0:0:0:2acf:daff:abcd:1.2.3.4") \ 136 X("fe80:0:0:2acf:daff:1.2.3.4.5") \ 137 X("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.255") \ 138 139#define TEST_GOOD(ADDR) \ 140 ASSERT(0 == uv_inet_pton(AF_INET6, ADDR, &addr)); \ 141 ASSERT(0 == uv_inet_pton(AF_INET6, ADDR "%en1", &addr)); \ 142 ASSERT(0 == uv_inet_pton(AF_INET6, ADDR "%%%%", &addr)); \ 143 ASSERT(0 == uv_inet_pton(AF_INET6, ADDR "%en1:1.2.3.4", &addr)); \ 144 145#define TEST_BAD(ADDR) \ 146 ASSERT(0 != uv_inet_pton(AF_INET6, ADDR, &addr)); \ 147 ASSERT(0 != uv_inet_pton(AF_INET6, ADDR "%en1", &addr)); \ 148 ASSERT(0 != uv_inet_pton(AF_INET6, ADDR "%%%%", &addr)); \ 149 ASSERT(0 != uv_inet_pton(AF_INET6, ADDR "%en1:1.2.3.4", &addr)); \ 150 151TEST_IMPL(ip6_pton) { 152 struct in6_addr addr; 153 154 GOOD_ADDR_LIST(TEST_GOOD) 155 BAD_ADDR_LIST(TEST_BAD) 156 157 MAKE_VALGRIND_HAPPY(); 158 return 0; 159} 160 161#undef GOOD_ADDR_LIST 162#undef BAD_ADDR_LIST 163 164TEST_IMPL(ip6_sin6_len) { 165 struct sockaddr_in6 s; 166 ASSERT_EQ(0, uv_ip6_addr("::", 0, &s)); 167#ifdef SIN6_LEN 168 ASSERT(s.sin6_len == sizeof(s)); 169#endif 170 return 0; 171} 172