/* * * Copyright 2015-2016, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include "src/core/lib/iomgr/sockaddr_utils.h" #include #include #include #include #include #include "test/core/util/test_config.h" static struct sockaddr_in make_addr4(const uint8_t *data, size_t data_len) { struct sockaddr_in addr4; memset(&addr4, 0, sizeof(addr4)); addr4.sin_family = AF_INET; GPR_ASSERT(data_len == sizeof(addr4.sin_addr.s_addr)); memcpy(&addr4.sin_addr.s_addr, data, data_len); addr4.sin_port = htons(12345); return addr4; } static struct sockaddr_in6 make_addr6(const uint8_t *data, size_t data_len) { struct sockaddr_in6 addr6; memset(&addr6, 0, sizeof(addr6)); addr6.sin6_family = AF_INET6; GPR_ASSERT(data_len == sizeof(addr6.sin6_addr.s6_addr)); memcpy(&addr6.sin6_addr.s6_addr, data, data_len); addr6.sin6_port = htons(12345); return addr6; } static const uint8_t kMapped[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 192, 0, 2, 1}; static const uint8_t kNotQuiteMapped[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xfe, 192, 0, 2, 99}; static const uint8_t kIPv4[] = {192, 0, 2, 1}; static const uint8_t kIPv6[] = {0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}; static void test_sockaddr_is_v4mapped(void) { struct sockaddr_in input4; struct sockaddr_in6 input6; struct sockaddr_in output4; struct sockaddr_in expect4; gpr_log(GPR_INFO, "%s", "test_sockaddr_is_v4mapped"); /* v4mapped input should succeed. */ input6 = make_addr6(kMapped, sizeof(kMapped)); GPR_ASSERT(grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, NULL)); GPR_ASSERT( grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, &output4)); expect4 = make_addr4(kIPv4, sizeof(kIPv4)); GPR_ASSERT(memcmp(&expect4, &output4, sizeof(expect4)) == 0); /* Non-v4mapped input should fail. */ input6 = make_addr6(kNotQuiteMapped, sizeof(kNotQuiteMapped)); GPR_ASSERT( !grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, NULL)); GPR_ASSERT( !grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, &output4)); /* Output is unchanged. */ GPR_ASSERT(memcmp(&expect4, &output4, sizeof(expect4)) == 0); /* Plain IPv4 input should also fail. */ input4 = make_addr4(kIPv4, sizeof(kIPv4)); GPR_ASSERT( !grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input4, NULL)); } static void test_sockaddr_to_v4mapped(void) { struct sockaddr_in input4; struct sockaddr_in6 input6; struct sockaddr_in6 output6; struct sockaddr_in6 expect6; gpr_log(GPR_INFO, "%s", "test_sockaddr_to_v4mapped"); /* IPv4 input should succeed. */ input4 = make_addr4(kIPv4, sizeof(kIPv4)); GPR_ASSERT( grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input4, &output6)); expect6 = make_addr6(kMapped, sizeof(kMapped)); GPR_ASSERT(memcmp(&expect6, &output6, sizeof(output6)) == 0); /* IPv6 input should fail. */ input6 = make_addr6(kIPv6, sizeof(kIPv6)); GPR_ASSERT( !grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input6, &output6)); /* Output is unchanged. */ GPR_ASSERT(memcmp(&expect6, &output6, sizeof(output6)) == 0); /* Already-v4mapped input should also fail. */ input6 = make_addr6(kMapped, sizeof(kMapped)); GPR_ASSERT( !grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input6, &output6)); } static void test_sockaddr_is_wildcard(void) { struct sockaddr_in wild4; struct sockaddr_in6 wild6; struct sockaddr_in6 wild_mapped; struct sockaddr dummy; int port; gpr_log(GPR_INFO, "%s", "test_sockaddr_is_wildcard"); /* Generate wildcards. */ grpc_sockaddr_make_wildcards(555, &wild4, &wild6); GPR_ASSERT( grpc_sockaddr_to_v4mapped((const struct sockaddr *)&wild4, &wild_mapped)); /* Test 0.0.0.0:555 */ port = -1; GPR_ASSERT(grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild4, &port)); GPR_ASSERT(port == 555); memset(&wild4.sin_addr.s_addr, 0xbd, 1); GPR_ASSERT( !grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild4, &port)); /* Test [::]:555 */ port = -1; GPR_ASSERT(grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild6, &port)); GPR_ASSERT(port == 555); memset(&wild6.sin6_addr.s6_addr, 0xbd, 1); GPR_ASSERT( !grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild6, &port)); /* Test [::ffff:0.0.0.0]:555 */ port = -1; GPR_ASSERT( grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild_mapped, &port)); GPR_ASSERT(port == 555); memset(&wild_mapped.sin6_addr.s6_addr, 0xbd, 1); GPR_ASSERT( !grpc_sockaddr_is_wildcard((const struct sockaddr *)&wild_mapped, &port)); /* Test AF_UNSPEC. */ port = -1; memset(&dummy, 0, sizeof(dummy)); GPR_ASSERT(!grpc_sockaddr_is_wildcard(&dummy, &port)); GPR_ASSERT(port == -1); } static void expect_sockaddr_str(const char *expected, void *addr, int normalize) { int result; char *str; gpr_log(GPR_INFO, " expect_sockaddr_str(%s)", expected); result = grpc_sockaddr_to_string(&str, (struct sockaddr *)addr, normalize); GPR_ASSERT(str != NULL); GPR_ASSERT(result >= 0); GPR_ASSERT((size_t)result == strlen(str)); GPR_ASSERT(strcmp(expected, str) == 0); gpr_free(str); } static void expect_sockaddr_uri(const char *expected, void *addr) { char *str; gpr_log(GPR_INFO, " expect_sockaddr_uri(%s)", expected); str = grpc_sockaddr_to_uri((struct sockaddr *)addr); GPR_ASSERT(str != NULL); GPR_ASSERT(strcmp(expected, str) == 0); gpr_free(str); } static void test_sockaddr_to_string(void) { struct sockaddr_in input4; struct sockaddr_in6 input6; struct sockaddr dummy; gpr_log(GPR_INFO, "%s", "test_sockaddr_to_string"); errno = 0x7EADBEEF; input4 = make_addr4(kIPv4, sizeof(kIPv4)); expect_sockaddr_str("192.0.2.1:12345", &input4, 0); expect_sockaddr_str("192.0.2.1:12345", &input4, 1); expect_sockaddr_uri("ipv4:192.0.2.1:12345", &input4); input6 = make_addr6(kIPv6, sizeof(kIPv6)); expect_sockaddr_str("[2001:db8::1]:12345", &input6, 0); expect_sockaddr_str("[2001:db8::1]:12345", &input6, 1); expect_sockaddr_uri("ipv6:[2001:db8::1]:12345", &input6); input6 = make_addr6(kMapped, sizeof(kMapped)); expect_sockaddr_str("[::ffff:192.0.2.1]:12345", &input6, 0); expect_sockaddr_str("192.0.2.1:12345", &input6, 1); expect_sockaddr_uri("ipv4:192.0.2.1:12345", &input6); input6 = make_addr6(kNotQuiteMapped, sizeof(kNotQuiteMapped)); expect_sockaddr_str("[::fffe:c000:263]:12345", &input6, 0); expect_sockaddr_str("[::fffe:c000:263]:12345", &input6, 1); expect_sockaddr_uri("ipv6:[::fffe:c000:263]:12345", &input6); memset(&dummy, 0, sizeof(dummy)); dummy.sa_family = 123; expect_sockaddr_str("(sockaddr family=123)", &dummy, 0); expect_sockaddr_str("(sockaddr family=123)", &dummy, 1); GPR_ASSERT(grpc_sockaddr_to_uri(&dummy) == NULL); GPR_ASSERT(errno == 0x7EADBEEF); } static void test_sockaddr_set_get_port(void) { struct sockaddr_in input4; struct sockaddr_in6 input6; struct sockaddr dummy; gpr_log(GPR_DEBUG, "test_sockaddr_set_get_port"); input4 = make_addr4(kIPv4, sizeof(kIPv4)); GPR_ASSERT(grpc_sockaddr_get_port((struct sockaddr *)&input4) == 12345); GPR_ASSERT(grpc_sockaddr_set_port((struct sockaddr *)&input4, 54321)); GPR_ASSERT(grpc_sockaddr_get_port((struct sockaddr *)&input4) == 54321); input6 = make_addr6(kIPv6, sizeof(kIPv6)); GPR_ASSERT(grpc_sockaddr_get_port((struct sockaddr *)&input6) == 12345); GPR_ASSERT(grpc_sockaddr_set_port((struct sockaddr *)&input6, 54321)); GPR_ASSERT(grpc_sockaddr_get_port((struct sockaddr *)&input6) == 54321); memset(&dummy, 0, sizeof(dummy)); dummy.sa_family = 123; GPR_ASSERT(grpc_sockaddr_get_port(&dummy) == 0); GPR_ASSERT(grpc_sockaddr_set_port(&dummy, 1234) == 0); } int main(int argc, char **argv) { grpc_test_init(argc, argv); test_sockaddr_is_v4mapped(); test_sockaddr_to_v4mapped(); test_sockaddr_is_wildcard(); test_sockaddr_to_string(); test_sockaddr_set_get_port(); return 0; }