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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "net/socket/unix_domain_server_socket_posix.h"
- #include <memory>
- #include <vector>
- #include "base/bind.h"
- #include "base/files/file_path.h"
- #include "base/files/scoped_temp_dir.h"
- #include "base/run_loop.h"
- #include "base/test/task_environment.h"
- #include "build/build_config.h"
- #include "net/base/io_buffer.h"
- #include "net/base/ip_endpoint.h"
- #include "net/base/net_errors.h"
- #include "net/base/test_completion_callback.h"
- #include "net/socket/unix_domain_client_socket_posix.h"
- #include "net/test/gtest_util.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- using net::test::IsError;
- using net::test::IsOk;
- namespace net {
- namespace {
- const char kSocketFilename[] = "socket_for_testing";
- const char kInvalidSocketPath[] = "/invalid/path";
- bool UserCanConnectCallback(bool allow_user,
- const UnixDomainServerSocket::Credentials& credentials) {
- // Here peers are running in same process.
- #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
- EXPECT_EQ(getpid(), credentials.process_id);
- #endif
- EXPECT_EQ(getuid(), credentials.user_id);
- EXPECT_EQ(getgid(), credentials.group_id);
- return allow_user;
- }
- UnixDomainServerSocket::AuthCallback CreateAuthCallback(bool allow_user) {
- return base::BindRepeating(&UserCanConnectCallback, allow_user);
- }
- class UnixDomainServerSocketTest : public testing::Test {
- protected:
- UnixDomainServerSocketTest() {
- EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
- socket_path_ = temp_dir_.GetPath().Append(kSocketFilename).value();
- }
- base::ScopedTempDir temp_dir_;
- std::string socket_path_;
- };
- TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPath) {
- const bool kUseAbstractNamespace = false;
- UnixDomainServerSocket server_socket(CreateAuthCallback(true),
- kUseAbstractNamespace);
- EXPECT_EQ(ERR_FILE_NOT_FOUND,
- server_socket.BindAndListen(kInvalidSocketPath, /*backlog=*/1));
- }
- TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPathWithAbstractNamespace) {
- const bool kUseAbstractNamespace = true;
- UnixDomainServerSocket server_socket(CreateAuthCallback(true),
- kUseAbstractNamespace);
- #if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- EXPECT_THAT(server_socket.BindAndListen(kInvalidSocketPath, /*backlog=*/1),
- IsOk());
- #else
- EXPECT_EQ(ERR_ADDRESS_INVALID,
- server_socket.BindAndListen(kInvalidSocketPath, /*backlog=*/1));
- #endif
- }
- TEST_F(UnixDomainServerSocketTest, ListenAgainAfterFailureWithInvalidPath) {
- const bool kUseAbstractNamespace = false;
- UnixDomainServerSocket server_socket(CreateAuthCallback(true),
- kUseAbstractNamespace);
- EXPECT_EQ(ERR_FILE_NOT_FOUND,
- server_socket.BindAndListen(kInvalidSocketPath, /*backlog=*/1));
- EXPECT_THAT(server_socket.BindAndListen(socket_path_, /*backlog=*/1), IsOk());
- }
- TEST_F(UnixDomainServerSocketTest, AcceptWithForbiddenUser) {
- base::test::TaskEnvironment task_environment(
- base::test::TaskEnvironment::MainThreadType::IO);
- const bool kUseAbstractNamespace = false;
- UnixDomainServerSocket server_socket(CreateAuthCallback(false),
- kUseAbstractNamespace);
- EXPECT_THAT(server_socket.BindAndListen(socket_path_, /*backlog=*/1), IsOk());
- std::unique_ptr<StreamSocket> accepted_socket;
- TestCompletionCallback accept_callback;
- EXPECT_EQ(ERR_IO_PENDING,
- server_socket.Accept(&accepted_socket, accept_callback.callback()));
- EXPECT_FALSE(accepted_socket);
- UnixDomainClientSocket client_socket(socket_path_, kUseAbstractNamespace);
- EXPECT_FALSE(client_socket.IsConnected());
- // Connect() will return OK before the server rejects the connection.
- TestCompletionCallback connect_callback;
- int rv = connect_callback.GetResult(
- client_socket.Connect(connect_callback.callback()));
- ASSERT_THAT(rv, IsOk());
- // Try to read from the socket.
- const int read_buffer_size = 10;
- scoped_refptr<IOBuffer> read_buffer =
- base::MakeRefCounted<IOBuffer>(read_buffer_size);
- TestCompletionCallback read_callback;
- rv = read_callback.GetResult(client_socket.Read(
- read_buffer.get(), read_buffer_size, read_callback.callback()));
- // The server should have disconnected gracefully, without sending any data.
- ASSERT_EQ(0, rv);
- EXPECT_FALSE(client_socket.IsConnected());
- // The server socket should not have called |accept_callback| or modified
- // |accepted_socket|.
- EXPECT_FALSE(accept_callback.have_result());
- EXPECT_FALSE(accepted_socket);
- }
- TEST_F(UnixDomainServerSocketTest, UnimplementedMethodsFail) {
- const bool kUseAbstractNamespace = false;
- UnixDomainServerSocket server_socket(CreateAuthCallback(true),
- kUseAbstractNamespace);
- IPEndPoint ep;
- EXPECT_THAT(server_socket.Listen(ep, 0), IsError(ERR_NOT_IMPLEMENTED));
- EXPECT_EQ(ERR_NOT_IMPLEMENTED,
- server_socket.ListenWithAddressAndPort(kInvalidSocketPath,
- 0,
- /*backlog=*/1));
- EXPECT_THAT(server_socket.GetLocalAddress(&ep), IsError(ERR_ADDRESS_INVALID));
- }
- // Normal cases including read/write are tested by UnixDomainClientSocketTest.
- } // namespace
- } // namespace net
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