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 | |
34 | TEST_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 | |
151 | TEST_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 | |