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/*
*
* Copyright 2017 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.
*
*/
#include "src/core/lib/address_utils/parse_address.h"
#ifdef GRPC_HAVE_UNIX_SOCKET
#include <sys/un.h>
#endif
#include <string>
#include "absl/status/status.h"
#include "absl/strings/match.h"
#include "gtest/gtest.h"
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include "src/core/lib/iomgr/exec_ctx.h"
#include "src/core/lib/iomgr/port.h"
#include "src/core/lib/iomgr/sockaddr.h"
#include "src/core/lib/iomgr/socket_utils.h"
#include "test/core/util/test_config.h"
#ifdef GRPC_HAVE_UNIX_SOCKET
static void test_grpc_parse_unix(const char* uri_text, const char* pathname) {
grpc_core::ExecCtx exec_ctx;
absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
if (!uri.ok()) {
gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
ASSERT_TRUE(uri.ok());
}
grpc_resolved_address addr;
ASSERT_TRUE(grpc_parse_uri(*uri, &addr));
struct sockaddr_un* addr_un =
reinterpret_cast<struct sockaddr_un*>(addr.addr);
ASSERT_EQ(AF_UNIX, addr_un->sun_family);
ASSERT_STREQ(addr_un->sun_path, pathname);
}
static void test_grpc_parse_unix_abstract(const char* uri_text,
const char* pathname) {
grpc_core::ExecCtx exec_ctx;
absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
if (!uri.ok()) {
gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
ASSERT_TRUE(uri.ok());
}
grpc_resolved_address addr;
ASSERT_TRUE(grpc_parse_uri(*uri, &addr));
struct sockaddr_un* addr_un =
reinterpret_cast<struct sockaddr_un*>(addr.addr);
ASSERT_EQ(AF_UNIX, addr_un->sun_family);
ASSERT_EQ('\0', addr_un->sun_path[0]);
ASSERT_TRUE(absl::StartsWith(addr_un->sun_path + 1, pathname));
}
#else /* GRPC_HAVE_UNIX_SOCKET */
static void test_grpc_parse_unix(const char* uri_text, const char* pathname) {}
static void test_grpc_parse_unix_abstract(const char* uri_text,
const char* pathname) {}
#endif /* GRPC_HAVE_UNIX_SOCKET */
static void test_grpc_parse_ipv4(const char* uri_text, const char* host,
unsigned short port) {
grpc_core::ExecCtx exec_ctx;
absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
if (!uri.ok()) {
gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
ASSERT_TRUE(uri.ok());
}
grpc_resolved_address addr;
char ntop_buf[GRPC_INET_ADDRSTRLEN];
ASSERT_TRUE(grpc_parse_ipv4(*uri, &addr));
grpc_sockaddr_in* addr_in = reinterpret_cast<grpc_sockaddr_in*>(addr.addr);
ASSERT_EQ(GRPC_AF_INET, addr_in->sin_family);
ASSERT_NE(nullptr, grpc_inet_ntop(GRPC_AF_INET, &addr_in->sin_addr, ntop_buf,
sizeof(ntop_buf)));
ASSERT_STREQ(ntop_buf, host);
ASSERT_EQ(grpc_ntohs(addr_in->sin_port), port);
}
static void test_grpc_parse_ipv6(const char* uri_text, const char* host,
unsigned short port, uint32_t scope_id) {
grpc_core::ExecCtx exec_ctx;
absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
if (!uri.ok()) {
gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
ASSERT_TRUE(uri.ok());
}
grpc_resolved_address addr;
char ntop_buf[GRPC_INET6_ADDRSTRLEN];
ASSERT_TRUE(grpc_parse_ipv6(*uri, &addr));
grpc_sockaddr_in6* addr_in6 = reinterpret_cast<grpc_sockaddr_in6*>(addr.addr);
ASSERT_EQ(GRPC_AF_INET6, addr_in6->sin6_family);
ASSERT_NE(nullptr, grpc_inet_ntop(GRPC_AF_INET6, &addr_in6->sin6_addr,
ntop_buf, sizeof(ntop_buf)));
ASSERT_STREQ(ntop_buf, host);
ASSERT_EQ(grpc_ntohs(addr_in6->sin6_port), port);
ASSERT_EQ(addr_in6->sin6_scope_id, scope_id);
}
/* Test parsing invalid ipv6 addresses (valid uri_text but invalid ipv6 addr) */
static void test_grpc_parse_ipv6_invalid(const char* uri_text) {
grpc_core::ExecCtx exec_ctx;
absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
if (!uri.ok()) {
gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
ASSERT_TRUE(uri.ok());
}
grpc_resolved_address addr;
ASSERT_FALSE(grpc_parse_ipv6(*uri, &addr));
}
TEST(ParseAddressTest, MainTest) {
grpc_init();
test_grpc_parse_unix("unix:/path/name", "/path/name");
test_grpc_parse_unix_abstract("unix-abstract:foobar", "foobar");
test_grpc_parse_ipv4("ipv4:192.0.2.1:12345", "192.0.2.1", 12345);
test_grpc_parse_ipv6("ipv6:[2001:db8::1]:12345", "2001:db8::1", 12345, 0);
test_grpc_parse_ipv6("ipv6:[2001:db8::1%252]:12345", "2001:db8::1", 12345, 2);
/* Address length greater than GRPC_INET6_ADDRSTRLEN */
test_grpc_parse_ipv6_invalid(
"ipv6:WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW45%"
"25v6:45%25x$1*");
grpc_shutdown();
}
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(&argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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