| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| /* With the addition of a libuv endpoint, sockaddr.h now includes uv.h when |
| using that endpoint. Because of various transitive includes in uv.h, |
| including windows.h on Windows, uv.h must be included before other system |
| headers. Therefore, sockaddr.h must always be included first */ |
| #include "src/core/lib/iomgr/sockaddr_utils.h" |
| #include "src/core/lib/iomgr/sockaddr.h" |
| |
| #include <errno.h> |
| #include <string.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/port_platform.h> |
| #include "test/core/util/test_config.h" |
| |
| static grpc_resolved_address make_addr4(const uint8_t* data, size_t data_len) { |
| grpc_resolved_address resolved_addr4; |
| struct sockaddr_in* addr4 = (struct sockaddr_in*)resolved_addr4.addr; |
| memset(&resolved_addr4, 0, sizeof(resolved_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); |
| resolved_addr4.len = sizeof(struct sockaddr_in); |
| return resolved_addr4; |
| } |
| |
| static grpc_resolved_address make_addr6(const uint8_t* data, size_t data_len) { |
| grpc_resolved_address resolved_addr6; |
| struct sockaddr_in6* addr6 = (struct sockaddr_in6*)resolved_addr6.addr; |
| memset(&resolved_addr6, 0, sizeof(resolved_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); |
| resolved_addr6.len = sizeof(struct sockaddr_in6); |
| return resolved_addr6; |
| } |
| |
| static void set_addr6_scope_id(grpc_resolved_address* addr, uint32_t scope_id) { |
| struct sockaddr_in6* addr6 = (struct sockaddr_in6*)addr->addr; |
| GPR_ASSERT(addr6->sin6_family == AF_INET6); |
| addr6->sin6_scope_id = scope_id; |
| } |
| |
| 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) { |
| grpc_resolved_address input4; |
| grpc_resolved_address input6; |
| grpc_resolved_address output4; |
| grpc_resolved_address 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(&input6, nullptr)); |
| GPR_ASSERT(grpc_sockaddr_is_v4mapped(&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(&input6, nullptr)); |
| GPR_ASSERT(!grpc_sockaddr_is_v4mapped(&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(&input4, nullptr)); |
| } |
| |
| static void test_sockaddr_to_v4mapped(void) { |
| grpc_resolved_address input4; |
| grpc_resolved_address input6; |
| grpc_resolved_address output6; |
| grpc_resolved_address 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(&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(&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(&input6, &output6)); |
| } |
| |
| static void test_sockaddr_is_wildcard(void) { |
| grpc_resolved_address wild4; |
| grpc_resolved_address wild6; |
| grpc_resolved_address wild_mapped; |
| grpc_resolved_address dummy; |
| struct sockaddr_in* wild4_addr; |
| struct sockaddr_in6* wild6_addr; |
| struct sockaddr_in6* wild_mapped_addr; |
| 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(&wild4, &wild_mapped)); |
| |
| /* Test 0.0.0.0:555 */ |
| port = -1; |
| GPR_ASSERT(grpc_sockaddr_is_wildcard(&wild4, &port)); |
| GPR_ASSERT(port == 555); |
| wild4_addr = (struct sockaddr_in*)&wild4.addr; |
| memset(&wild4_addr->sin_addr.s_addr, 0xbd, 1); |
| GPR_ASSERT(!grpc_sockaddr_is_wildcard(&wild4, &port)); |
| |
| /* Test [::]:555 */ |
| port = -1; |
| GPR_ASSERT(grpc_sockaddr_is_wildcard(&wild6, &port)); |
| GPR_ASSERT(port == 555); |
| wild6_addr = (struct sockaddr_in6*)&wild6.addr; |
| memset(&wild6_addr->sin6_addr.s6_addr, 0xbd, 1); |
| GPR_ASSERT(!grpc_sockaddr_is_wildcard(&wild6, &port)); |
| |
| /* Test [::ffff:0.0.0.0]:555 */ |
| port = -1; |
| GPR_ASSERT(grpc_sockaddr_is_wildcard(&wild_mapped, &port)); |
| GPR_ASSERT(port == 555); |
| wild_mapped_addr = (struct sockaddr_in6*)&wild_mapped.addr; |
| memset(&wild_mapped_addr->sin6_addr.s6_addr, 0xbd, 1); |
| GPR_ASSERT(!grpc_sockaddr_is_wildcard(&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, |
| grpc_resolved_address* addr, int normalize) { |
| int result; |
| char* str; |
| gpr_log(GPR_INFO, " expect_sockaddr_str(%s)", expected); |
| result = grpc_sockaddr_to_string(&str, addr, normalize); |
| GPR_ASSERT(str != nullptr); |
| 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, |
| grpc_resolved_address* addr) { |
| char* str; |
| gpr_log(GPR_INFO, " expect_sockaddr_uri(%s)", expected); |
| str = grpc_sockaddr_to_uri(addr); |
| GPR_ASSERT(str != nullptr); |
| GPR_ASSERT(strcmp(expected, str) == 0); |
| gpr_free(str); |
| } |
| |
| static void test_sockaddr_to_string(void) { |
| grpc_resolved_address input4; |
| grpc_resolved_address input6; |
| grpc_resolved_address dummy; |
| struct sockaddr* dummy_addr; |
| |
| 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); |
| |
| set_addr6_scope_id(&input6, 2); |
| expect_sockaddr_str("[2001:db8::1%252]:12345", &input6, 0); |
| expect_sockaddr_str("[2001:db8::1%252]:12345", &input6, 1); |
| expect_sockaddr_uri("ipv6:[2001:db8::1%252]:12345", &input6); |
| |
| set_addr6_scope_id(&input6, 101); |
| expect_sockaddr_str("[2001:db8::1%25101]:12345", &input6, 0); |
| expect_sockaddr_str("[2001:db8::1%25101]:12345", &input6, 1); |
| expect_sockaddr_uri("ipv6:[2001:db8::1%25101]: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_addr = (struct sockaddr*)dummy.addr; |
| dummy_addr->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) == nullptr); |
| } |
| |
| static void test_sockaddr_set_get_port(void) { |
| grpc_resolved_address input4; |
| grpc_resolved_address input6; |
| grpc_resolved_address dummy; |
| struct sockaddr* dummy_addr; |
| |
| gpr_log(GPR_DEBUG, "test_sockaddr_set_get_port"); |
| |
| input4 = make_addr4(kIPv4, sizeof(kIPv4)); |
| GPR_ASSERT(grpc_sockaddr_get_port(&input4) == 12345); |
| GPR_ASSERT(grpc_sockaddr_set_port(&input4, 54321)); |
| GPR_ASSERT(grpc_sockaddr_get_port(&input4) == 54321); |
| |
| input6 = make_addr6(kIPv6, sizeof(kIPv6)); |
| GPR_ASSERT(grpc_sockaddr_get_port(&input6) == 12345); |
| GPR_ASSERT(grpc_sockaddr_set_port(&input6, 54321)); |
| GPR_ASSERT(grpc_sockaddr_get_port(&input6) == 54321); |
| |
| memset(&dummy, 0, sizeof(dummy)); |
| dummy_addr = (struct sockaddr*)dummy.addr; |
| dummy_addr->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; |
| } |