blob: 035aca1e48993ed06071c65267e8a595bc922ca5 [file] [log] [blame]
// 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/stl_util.h"
#include "net/base/io_buffer.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 defined(OS_LINUX) || defined(OS_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::Bind(&UserCanConnectCallback, allow_user);
}
class UnixDomainServerSocketTest : public testing::Test {
protected:
UnixDomainServerSocketTest() {
EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
socket_path_ = temp_dir_.path().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 defined(OS_ANDROID) || defined(OS_LINUX)
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) {
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(new 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