nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 0605995 | 2015-02-18 08:34:56 -0800 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 34 | #include "src/core/iomgr/sockaddr_utils.h" |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 35 | |
| 36 | #include <errno.h> |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 37 | #include <string.h> |
| 38 | |
| 39 | #include <grpc/support/alloc.h> |
| 40 | #include <grpc/support/log.h> |
| 41 | #include <grpc/support/port_platform.h> |
| 42 | #include "test/core/util/test_config.h" |
| 43 | |
| 44 | static struct sockaddr_in make_addr4(const gpr_uint8 *data, size_t data_len) { |
| 45 | struct sockaddr_in addr4; |
| 46 | memset(&addr4, 0, sizeof(addr4)); |
| 47 | addr4.sin_family = AF_INET; |
| 48 | GPR_ASSERT(data_len == sizeof(addr4.sin_addr.s_addr)); |
| 49 | memcpy(&addr4.sin_addr.s_addr, data, data_len); |
| 50 | addr4.sin_port = htons(12345); |
| 51 | return addr4; |
| 52 | } |
| 53 | |
| 54 | static struct sockaddr_in6 make_addr6(const gpr_uint8 *data, size_t data_len) { |
| 55 | struct sockaddr_in6 addr6; |
| 56 | memset(&addr6, 0, sizeof(addr6)); |
| 57 | addr6.sin6_family = AF_INET6; |
| 58 | GPR_ASSERT(data_len == sizeof(addr6.sin6_addr.s6_addr)); |
| 59 | memcpy(&addr6.sin6_addr.s6_addr, data, data_len); |
| 60 | addr6.sin6_port = htons(12345); |
| 61 | return addr6; |
| 62 | } |
| 63 | |
| 64 | static const gpr_uint8 kMapped[] = {0, 0, 0, 0, 0, 0, 0, 0, |
| 65 | 0, 0, 0xff, 0xff, 192, 0, 2, 1}; |
| 66 | static const gpr_uint8 kNotQuiteMapped[] = {0, 0, 0, 0, 0, 0, 0, 0, |
| 67 | 0, 0, 0xff, 0xfe, 192, 0, 2, 99}; |
| 68 | static const gpr_uint8 kIPv4[] = {192, 0, 2, 1}; |
| 69 | static const gpr_uint8 kIPv6[] = {0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0, |
| 70 | 0, 0, 0, 0, 0, 0, 0, 1}; |
| 71 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 72 | static void test_sockaddr_is_v4mapped(void) { |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 73 | struct sockaddr_in input4; |
| 74 | struct sockaddr_in6 input6; |
| 75 | struct sockaddr_in output4; |
| 76 | struct sockaddr_in expect4; |
| 77 | |
| 78 | gpr_log(GPR_INFO, "%s", __FUNCTION__); |
| 79 | |
| 80 | /* v4mapped input should succeed. */ |
| 81 | input6 = make_addr6(kMapped, sizeof(kMapped)); |
| 82 | GPR_ASSERT(grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, NULL)); |
| 83 | GPR_ASSERT( |
| 84 | grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, &output4)); |
| 85 | expect4 = make_addr4(kIPv4, sizeof(kIPv4)); |
| 86 | GPR_ASSERT(memcmp(&expect4, &output4, sizeof(expect4)) == 0); |
| 87 | |
| 88 | /* Non-v4mapped input should fail. */ |
| 89 | input6 = make_addr6(kNotQuiteMapped, sizeof(kNotQuiteMapped)); |
| 90 | GPR_ASSERT( |
| 91 | !grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, NULL)); |
| 92 | GPR_ASSERT( |
| 93 | !grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, &output4)); |
| 94 | /* Output is unchanged. */ |
| 95 | GPR_ASSERT(memcmp(&expect4, &output4, sizeof(expect4)) == 0); |
| 96 | |
| 97 | /* Plain IPv4 input should also fail. */ |
| 98 | input4 = make_addr4(kIPv4, sizeof(kIPv4)); |
| 99 | GPR_ASSERT( |
| 100 | !grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input4, NULL)); |
| 101 | } |
| 102 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 103 | static void test_sockaddr_to_v4mapped(void) { |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 104 | struct sockaddr_in input4; |
| 105 | struct sockaddr_in6 input6; |
| 106 | struct sockaddr_in6 output6; |
| 107 | struct sockaddr_in6 expect6; |
| 108 | |
| 109 | gpr_log(GPR_INFO, "%s", __FUNCTION__); |
| 110 | |
| 111 | /* IPv4 input should succeed. */ |
| 112 | input4 = make_addr4(kIPv4, sizeof(kIPv4)); |
| 113 | GPR_ASSERT( |
| 114 | grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input4, &output6)); |
| 115 | expect6 = make_addr6(kMapped, sizeof(kMapped)); |
| 116 | GPR_ASSERT(memcmp(&expect6, &output6, sizeof(output6)) == 0); |
| 117 | |
| 118 | /* IPv6 input should fail. */ |
| 119 | input6 = make_addr6(kIPv6, sizeof(kIPv6)); |
| 120 | GPR_ASSERT( |
| 121 | !grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input6, &output6)); |
| 122 | /* Output is unchanged. */ |
| 123 | GPR_ASSERT(memcmp(&expect6, &output6, sizeof(output6)) == 0); |
| 124 | |
| 125 | /* Already-v4mapped input should also fail. */ |
| 126 | input6 = make_addr6(kMapped, sizeof(kMapped)); |
| 127 | GPR_ASSERT( |
| 128 | !grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input6, &output6)); |
| 129 | } |
| 130 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 131 | static void test_sockaddr_is_wildcard(void) { |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 132 | struct sockaddr_in wild4; |
| 133 | struct sockaddr_in6 wild6; |
| 134 | struct sockaddr_in6 wild_mapped; |
| 135 | struct sockaddr dummy; |
| 136 | int port; |
| 137 | |
| 138 | gpr_log(GPR_INFO, "%s", __FUNCTION__); |
| 139 | |
| 140 | /* Generate wildcards. */ |
| 141 | grpc_sockaddr_make_wildcards(555, &wild4, &wild6); |
| 142 | GPR_ASSERT( |
| 143 | grpc_sockaddr_to_v4mapped((const struct sockaddr *)&wild4, &wild_mapped)); |
| 144 | |
| 145 | /* Test 0.0.0.0:555 */ |
| 146 | port = -1; |
| 147 | GPR_ASSERT(grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild4, &port)); |
| 148 | GPR_ASSERT(port == 555); |
| 149 | memset(&wild4.sin_addr.s_addr, 0xbd, 1); |
| 150 | GPR_ASSERT( |
| 151 | !grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild4, &port)); |
| 152 | |
| 153 | /* Test [::]:555 */ |
| 154 | port = -1; |
| 155 | GPR_ASSERT(grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild6, &port)); |
| 156 | GPR_ASSERT(port == 555); |
| 157 | memset(&wild6.sin6_addr.s6_addr, 0xbd, 1); |
| 158 | GPR_ASSERT( |
| 159 | !grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild6, &port)); |
| 160 | |
| 161 | /* Test [::ffff:0.0.0.0]:555 */ |
| 162 | port = -1; |
| 163 | GPR_ASSERT( |
| 164 | grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild_mapped, &port)); |
| 165 | GPR_ASSERT(port == 555); |
| 166 | memset(&wild_mapped.sin6_addr.s6_addr, 0xbd, 1); |
| 167 | GPR_ASSERT( |
| 168 | !grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild_mapped, &port)); |
| 169 | |
| 170 | /* Test AF_UNSPEC. */ |
| 171 | port = -1; |
| 172 | memset(&dummy, 0, sizeof(dummy)); |
| 173 | GPR_ASSERT(!grpc_sockaddr_is_wildcard(&dummy, &port)); |
| 174 | GPR_ASSERT(port == -1); |
| 175 | } |
| 176 | |
| 177 | static void expect_sockaddr_str(const char *expected, void *addr, |
| 178 | int normalize) { |
| 179 | int result; |
| 180 | char *str; |
| 181 | gpr_log(GPR_INFO, " expect_sockaddr_str(%s)", expected); |
| 182 | result = grpc_sockaddr_to_string(&str, (struct sockaddr *)addr, normalize); |
| 183 | GPR_ASSERT(str != NULL); |
Nicolas "Pixel" Noble | 213ed91 | 2015-01-30 02:11:35 +0100 | [diff] [blame] | 184 | GPR_ASSERT(result >= 0); |
| 185 | GPR_ASSERT((size_t)result == strlen(str)); |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 186 | GPR_ASSERT(strcmp(expected, str) == 0); |
| 187 | gpr_free(str); |
| 188 | } |
| 189 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 190 | static void test_sockaddr_to_string(void) { |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 191 | struct sockaddr_in input4; |
| 192 | struct sockaddr_in6 input6; |
| 193 | struct sockaddr dummy; |
| 194 | |
| 195 | gpr_log(GPR_INFO, "%s", __FUNCTION__); |
| 196 | |
Nicolas "Pixel" Noble | 213ed91 | 2015-01-30 02:11:35 +0100 | [diff] [blame] | 197 | errno = 0x7EADBEEF; |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 198 | |
| 199 | input4 = make_addr4(kIPv4, sizeof(kIPv4)); |
| 200 | expect_sockaddr_str("192.0.2.1:12345", &input4, 0); |
| 201 | expect_sockaddr_str("192.0.2.1:12345", &input4, 1); |
| 202 | |
| 203 | input6 = make_addr6(kIPv6, sizeof(kIPv6)); |
| 204 | expect_sockaddr_str("[2001:db8::1]:12345", &input6, 0); |
| 205 | expect_sockaddr_str("[2001:db8::1]:12345", &input6, 1); |
| 206 | |
| 207 | input6 = make_addr6(kMapped, sizeof(kMapped)); |
| 208 | expect_sockaddr_str("[::ffff:192.0.2.1]:12345", &input6, 0); |
| 209 | expect_sockaddr_str("192.0.2.1:12345", &input6, 1); |
| 210 | |
| 211 | input6 = make_addr6(kNotQuiteMapped, sizeof(kNotQuiteMapped)); |
| 212 | expect_sockaddr_str("[::fffe:c000:263]:12345", &input6, 0); |
| 213 | expect_sockaddr_str("[::fffe:c000:263]:12345", &input6, 1); |
| 214 | |
| 215 | memset(&dummy, 0, sizeof(dummy)); |
Craig Tiller | d19d850 | 2015-01-21 16:28:39 -0800 | [diff] [blame] | 216 | dummy.sa_family = 123; |
| 217 | expect_sockaddr_str("(sockaddr family=123)", &dummy, 0); |
| 218 | expect_sockaddr_str("(sockaddr family=123)", &dummy, 1); |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 219 | |
Nicolas "Pixel" Noble | 213ed91 | 2015-01-30 02:11:35 +0100 | [diff] [blame] | 220 | GPR_ASSERT(errno == 0x7EADBEEF); |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | int main(int argc, char **argv) { |
| 224 | grpc_test_init(argc, argv); |
| 225 | |
| 226 | test_sockaddr_is_v4mapped(); |
| 227 | test_sockaddr_to_v4mapped(); |
| 228 | test_sockaddr_is_wildcard(); |
| 229 | test_sockaddr_to_string(); |
| 230 | |
| 231 | return 0; |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 232 | } |