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// Copyright (c) 2012 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 "remoting/protocol/ssl_hmac_channel_authenticator.h"
#include "base/bind.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/test/test_timeouts.h"
#include "base/timer.h"
#include "base/path_service.h"
#include "crypto/rsa_private_key.h"
#include "net/base/net_errors.h"
#include "net/base/test_data_directory.h"
#include "remoting/protocol/connection_tester.h"
#include "remoting/protocol/fake_session.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
using testing::_;
using testing::NotNull;
using testing::SaveArg;
namespace remoting {
namespace protocol {
namespace {
const char kTestSharedSecret[] = "1234-1234-5678";
const char kTestSharedSecretBad[] = "0000-0000-0001";
class MockChannelDoneCallback {
public:
MOCK_METHOD2(OnDone, void(net::Error error, net::StreamSocket* socket));
};
ACTION_P(QuitThreadOnCounter, counter) {
--(*counter);
EXPECT_GE(*counter, 0);
if (*counter == 0)
MessageLoop::current()->Quit();
}
} // namespace
class SslHmacChannelAuthenticatorTest : public testing::Test {
public:
SslHmacChannelAuthenticatorTest() {}
virtual ~SslHmacChannelAuthenticatorTest() {}
protected:
virtual void SetUp() OVERRIDE {
FilePath certs_dir(net::GetTestCertsDirectory());
FilePath cert_path = certs_dir.AppendASCII("unittest.selfsigned.der");
ASSERT_TRUE(file_util::ReadFileToString(cert_path, &host_cert_));
FilePath key_path = certs_dir.AppendASCII("unittest.key.bin");
std::string key_string;
ASSERT_TRUE(file_util::ReadFileToString(key_path, &key_string));
std::vector<uint8> key_vector(
reinterpret_cast<const uint8*>(key_string.data()),
reinterpret_cast<const uint8*>(key_string.data() +
key_string.length()));
private_key_.reset(
crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_vector));
}
void RunChannelAuth(bool expected_fail) {
client_fake_socket_.reset(new FakeSocket());
host_fake_socket_.reset(new FakeSocket());
client_fake_socket_->PairWith(host_fake_socket_.get());
client_auth_->SecureAndAuthenticate(
client_fake_socket_.PassAs<net::StreamSocket>(),
base::Bind(&SslHmacChannelAuthenticatorTest::OnClientConnected,
base::Unretained(this)));
host_auth_->SecureAndAuthenticate(
host_fake_socket_.PassAs<net::StreamSocket>(),
base::Bind(&SslHmacChannelAuthenticatorTest::OnHostConnected,
base::Unretained(this)));
// Expect two callbacks to be called - the client callback and the host
// callback.
int callback_counter = 2;
if (expected_fail) {
EXPECT_CALL(client_callback_, OnDone(net::ERR_FAILED, NULL))
.WillOnce(QuitThreadOnCounter(&callback_counter));
EXPECT_CALL(host_callback_, OnDone(net::ERR_FAILED, NULL))
.WillOnce(QuitThreadOnCounter(&callback_counter));
} else {
EXPECT_CALL(client_callback_, OnDone(net::OK, NotNull()))
.WillOnce(QuitThreadOnCounter(&callback_counter));
EXPECT_CALL(host_callback_, OnDone(net::OK, NotNull()))
.WillOnce(QuitThreadOnCounter(&callback_counter));
}
// Ensure that .Run() does not run unbounded if the callbacks are never
// called.
base::Timer shutdown_timer(false, false);
shutdown_timer.Start(FROM_HERE, TestTimeouts::action_timeout(),
MessageLoop::QuitClosure());
message_loop_.Run();
}
void OnHostConnected(net::Error error,
scoped_ptr<net::StreamSocket> socket) {
host_callback_.OnDone(error, socket.get());
host_socket_ = socket.Pass();
}
void OnClientConnected(net::Error error,
scoped_ptr<net::StreamSocket> socket) {
client_callback_.OnDone(error, socket.get());
client_socket_ = socket.Pass();
}
MessageLoop message_loop_;
scoped_ptr<crypto::RSAPrivateKey> private_key_;
std::string host_cert_;
scoped_ptr<FakeSocket> client_fake_socket_;
scoped_ptr<FakeSocket> host_fake_socket_;
scoped_ptr<ChannelAuthenticator> client_auth_;
scoped_ptr<ChannelAuthenticator> host_auth_;
MockChannelDoneCallback client_callback_;
MockChannelDoneCallback host_callback_;
scoped_ptr<net::StreamSocket> client_socket_;
scoped_ptr<net::StreamSocket> host_socket_;
DISALLOW_COPY_AND_ASSIGN(SslHmacChannelAuthenticatorTest);
};
// Verify that a channel can be connected using a valid shared secret.
TEST_F(SslHmacChannelAuthenticatorTest, SuccessfulAuth) {
client_auth_ = SslHmacChannelAuthenticator::CreateForClient(
host_cert_, kTestSharedSecret);
host_auth_ = SslHmacChannelAuthenticator::CreateForHost(
host_cert_, private_key_.get(), kTestSharedSecret);
RunChannelAuth(false);
ASSERT_TRUE(client_socket_.get() != NULL);
ASSERT_TRUE(host_socket_.get() != NULL);
StreamConnectionTester tester(host_socket_.get(), client_socket_.get(),
100, 2);
tester.Start();
message_loop_.Run();
tester.CheckResults();
}
// Verify that channels cannot be using invalid shared secret.
TEST_F(SslHmacChannelAuthenticatorTest, InvalidChannelSecret) {
client_auth_ = SslHmacChannelAuthenticator::CreateForClient(
host_cert_, kTestSharedSecretBad);
host_auth_ = SslHmacChannelAuthenticator::CreateForHost(
host_cert_, private_key_.get(), kTestSharedSecret);
RunChannelAuth(true);
ASSERT_TRUE(host_socket_.get() == NULL);
}
} // namespace protocol
} // namespace remoting
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