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Diffstat (limited to 'test/core/iomgr/sockaddr_utils_test.cc')
-rw-r--r--test/core/iomgr/sockaddr_utils_test.cc279
1 files changed, 279 insertions, 0 deletions
diff --git a/test/core/iomgr/sockaddr_utils_test.cc b/test/core/iomgr/sockaddr_utils_test.cc
new file mode 100644
index 0000000000..40f2157ba3
--- /dev/null
+++ b/test/core/iomgr/sockaddr_utils_test.cc
@@ -0,0 +1,279 @@
+/*
+ *
+ * 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, NULL));
+ 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, NULL));
+ 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, NULL));
+}
+
+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 != 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,
+ grpc_resolved_address* addr) {
+ char* str;
+ gpr_log(GPR_INFO, " expect_sockaddr_uri(%s)", expected);
+ str = grpc_sockaddr_to_uri(addr);
+ GPR_ASSERT(str != NULL);
+ 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) == NULL);
+}
+
+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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 09:25:43 +0000