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160
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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include "uv.h"
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23 #include "task.h"
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24
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25 #include <stdio.h>
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26 #include <string.h>
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27
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28 #ifdef __linux__
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29 # include <sys/socket.h>
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30 # include <net/if.h>
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31 #endif
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32
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33
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34 TEST_IMPL(ip6_addr_link_local) {
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35 #if defined(__CYGWIN__) || defined(__MSYS__)
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36 /* FIXME: Does Cygwin support this? */
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37 RETURN_SKIP("FIXME: This test needs more investigation on Cygwin");
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38 #endif
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39 char string_address[INET6_ADDRSTRLEN];
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40 uv_interface_address_t* addresses;
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41 uv_interface_address_t* address;
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42 struct sockaddr_in6 addr;
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43 unsigned int iface_index;
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44 const char* device_name;
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45 /* 40 bytes address, 16 bytes device name, plus reserve. */
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46 char scoped_addr[128];
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47 size_t scoped_addr_len;
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48 char interface_id[UV_IF_NAMESIZE];
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49 size_t interface_id_len;
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50 int count;
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51 int ix;
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52 int r;
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53
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54 ASSERT_OK(uv_interface_addresses(&addresses, &count));
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55
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56 for (ix = 0; ix < count; ix++) {
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57 address = addresses + ix;
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58
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59 if (address->address.address6.sin6_family != AF_INET6)
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60 continue;
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61
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62 ASSERT_OK(uv_inet_ntop(AF_INET6,
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63 &address->address.address6.sin6_addr,
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64 string_address,
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65 sizeof(string_address)));
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66
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67 /* Skip addresses that are not link-local. */
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68 if (strncmp(string_address, "fe80::", 6) != 0)
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69 continue;
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70
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71 iface_index = address->address.address6.sin6_scope_id;
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72 device_name = address->name;
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73
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74 scoped_addr_len = sizeof(scoped_addr);
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75 ASSERT_OK(uv_if_indextoname(iface_index,
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76 scoped_addr,
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77 &scoped_addr_len));
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78 #ifndef _WIN32
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79 /* This assert fails on Windows, as Windows semantics are different. */
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80 ASSERT_OK(strcmp(device_name, scoped_addr));
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81 #endif
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82
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83 interface_id_len = sizeof(interface_id);
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84 r = uv_if_indextoiid(iface_index, interface_id, &interface_id_len);
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85 ASSERT_OK(r);
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86 #ifdef _WIN32
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87 /* On Windows, the interface identifier is the numeric string of the index. */
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88 ASSERT_EQ(strtoul(interface_id, NULL, 10), iface_index);
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89 #else
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90 /* On Unix/Linux, the interface identifier is the interface device name. */
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91 ASSERT_OK(strcmp(device_name, interface_id));
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92 #endif
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93
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94 snprintf(scoped_addr,
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95 sizeof(scoped_addr),
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96 "%s%%%s",
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97 string_address,
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98 interface_id);
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99
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100 fprintf(stderr, "Testing link-local address %s "
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101 "(iface_index: 0x%02x, device_name: %s)\n",
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102 scoped_addr,
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103 iface_index,
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104 device_name);
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105 fflush(stderr);
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106
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107 ASSERT_OK(uv_ip6_addr(scoped_addr, TEST_PORT, &addr));
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108 fprintf(stderr, "Got scope_id 0x%2x\n", (unsigned)addr.sin6_scope_id);
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109 fflush(stderr);
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110 ASSERT_EQ(iface_index, addr.sin6_scope_id);
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111 }
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112
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113 uv_free_interface_addresses(addresses, count);
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114
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115 scoped_addr_len = sizeof(scoped_addr);
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116 ASSERT_NE(0, uv_if_indextoname((unsigned int)-1,
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117 scoped_addr,
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118 &scoped_addr_len));
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119
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120 MAKE_VALGRIND_HAPPY(uv_default_loop());
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121 return 0;
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122 }
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123
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124
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125 #define GOOD_ADDR_LIST(X) \
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126 X("::") \
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127 X("::1") \
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128 X("fe80::1") \
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129 X("fe80::") \
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130 X("fe80::2acf:daff:fedd:342a") \
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131 X("fe80:0:0:0:2acf:daff:fedd:342a") \
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132 X("fe80:0:0:0:2acf:daff:1.2.3.4") \
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133 X("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") \
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134
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135 #define BAD_ADDR_LIST(X) \
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136 X(":::1") \
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137 X("abcde::1") \
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138 X("fe80:0:0:0:2acf:daff:fedd:342a:5678") \
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139 X("fe80:0:0:0:2acf:daff:abcd:1.2.3.4") \
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140 X("fe80:0:0:2acf:daff:1.2.3.4.5") \
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141 X("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.255") \
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142
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143 #define TEST_GOOD(ADDR) \
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144 ASSERT_OK(uv_inet_pton(AF_INET6, ADDR, &addr)); \
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145 ASSERT_OK(uv_inet_pton(AF_INET6, ADDR "%en1", &addr)); \
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146 ASSERT_OK(uv_inet_pton(AF_INET6, ADDR "%%%%", &addr)); \
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147 ASSERT_OK(uv_inet_pton(AF_INET6, ADDR "%en1:1.2.3.4", &addr)); \
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148
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149 #define TEST_BAD(ADDR) \
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150 ASSERT_NE(0, uv_inet_pton(AF_INET6, ADDR, &addr)); \
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151 ASSERT_NE(0, uv_inet_pton(AF_INET6, ADDR "%en1", &addr)); \
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152 ASSERT_NE(0, uv_inet_pton(AF_INET6, ADDR "%%%%", &addr)); \
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153 ASSERT_NE(0, uv_inet_pton(AF_INET6, ADDR "%en1:1.2.3.4", &addr)); \
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154
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155 TEST_IMPL(ip6_pton) {
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156 struct in6_addr addr;
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157
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158 GOOD_ADDR_LIST(TEST_GOOD)
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159 BAD_ADDR_LIST(TEST_BAD)
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160
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161 MAKE_VALGRIND_HAPPY(uv_default_loop());
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162 return 0;
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163 }
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164
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165 #undef GOOD_ADDR_LIST
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166 #undef BAD_ADDR_LIST
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167
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168 TEST_IMPL(ip6_sin6_len) {
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169 struct sockaddr_in6 s;
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170 ASSERT_OK(uv_ip6_addr("::", 0, &s));
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171 #ifdef SIN6_LEN
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172 ASSERT_EQ(s.sin6_len, sizeof(s));
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173 #endif
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174 return 0;
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175 }
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