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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/v2_authenticator.h"
#include "base/bind.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/path_service.h"
#include "crypto/rsa_private_key.h"
#include "net/base/net_errors.h"
#include "remoting/protocol/authenticator.h"
#include "remoting/protocol/channel_authenticator.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::DeleteArg;
using testing::SaveArg;
namespace remoting {
namespace protocol {
namespace {
const int kMessageSize = 100;
const int kMessages = 1;
const char kClientJid[] = "host2@gmail.com/321";
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));
};
} // namespace
class V2AuthenticatorTest : public testing::Test {
public:
V2AuthenticatorTest() {
}
virtual ~V2AuthenticatorTest() {
}
protected:
virtual void SetUp() OVERRIDE {
FilePath certs_dir;
PathService::Get(base::DIR_SOURCE_ROOT, &certs_dir);
certs_dir = certs_dir.AppendASCII("net");
certs_dir = certs_dir.AppendASCII("data");
certs_dir = certs_dir.AppendASCII("ssl");
certs_dir = certs_dir.AppendASCII("certificates");
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 InitAuthenticators(const std::string& client_secret,
const std::string& host_secret) {
host_.reset(V2Authenticator::CreateForHost(
host_cert_, *private_key_, host_secret));
client_.reset(V2Authenticator::CreateForClient(client_secret));
}
void RunAuthExchange() {
do {
scoped_ptr<buzz::XmlElement> message;
// Pass message from client to host.
ASSERT_EQ(Authenticator::MESSAGE_READY, client_->state());
message.reset(client_->GetNextMessage());
ASSERT_TRUE(message.get());
ASSERT_NE(Authenticator::MESSAGE_READY, client_->state());
ASSERT_EQ(Authenticator::WAITING_MESSAGE, host_->state());
host_->ProcessMessage(message.get());
ASSERT_NE(Authenticator::WAITING_MESSAGE, host_->state());
// Are we done yet?
if (host_->state() == Authenticator::ACCEPTED ||
host_->state() == Authenticator::REJECTED) {
break;
}
// Pass message from host to client.
ASSERT_EQ(Authenticator::MESSAGE_READY, host_->state());
message.reset(host_->GetNextMessage());
ASSERT_TRUE(message.get());
ASSERT_NE(Authenticator::MESSAGE_READY, host_->state());
ASSERT_EQ(Authenticator::WAITING_MESSAGE, client_->state());
client_->ProcessMessage(message.get());
ASSERT_NE(Authenticator::WAITING_MESSAGE, client_->state());
} while (client_->state() != Authenticator::ACCEPTED &&
client_->state() != Authenticator::REJECTED);
}
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_.release(),
base::Bind(&MockChannelDoneCallback::OnDone,
base::Unretained(&client_callback_)));
host_auth_->SecureAndAuthenticate(
host_fake_socket_.release(),
base::Bind(&MockChannelDoneCallback::OnDone,
base::Unretained(&host_callback_)));
net::StreamSocket* client_socket = NULL;
net::StreamSocket* host_socket = NULL;
EXPECT_CALL(client_callback_, OnDone(net::OK, _))
.WillOnce(SaveArg<1>(&client_socket));
if (expected_fail) {
EXPECT_CALL(host_callback_, OnDone(net::ERR_FAILED, NULL));
} else {
EXPECT_CALL(host_callback_, OnDone(net::OK, _))
.WillOnce(SaveArg<1>(&host_socket));
}
message_loop_.RunAllPending();
client_socket_.reset(client_socket);
host_socket_.reset(host_socket);
}
MessageLoop message_loop_;
scoped_ptr<crypto::RSAPrivateKey> private_key_;
std::string host_cert_;
scoped_ptr<V2Authenticator> host_;
scoped_ptr<V2Authenticator> client_;
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(V2AuthenticatorTest);
};
TEST_F(V2AuthenticatorTest, SuccessfulAuth) {
ASSERT_NO_FATAL_FAILURE(
InitAuthenticators(kTestSharedSecret, kTestSharedSecret));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
ASSERT_EQ(Authenticator::ACCEPTED, host_->state());
ASSERT_EQ(Authenticator::ACCEPTED, client_->state());
client_auth_.reset(client_->CreateChannelAuthenticator());
host_auth_.reset(host_->CreateChannelAuthenticator());
RunChannelAuth(false);
EXPECT_TRUE(client_socket_.get() != NULL);
EXPECT_TRUE(host_socket_.get() != NULL);
StreamConnectionTester tester(host_socket_.get(), client_socket_.get(),
kMessageSize, kMessages);
tester.Start();
message_loop_.Run();
tester.CheckResults();
}
// Verify that connection is rejected when secrets don't match.
TEST_F(V2AuthenticatorTest, InvalidSecret) {
ASSERT_NO_FATAL_FAILURE(
InitAuthenticators(kTestSharedSecretBad, kTestSharedSecret));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
ASSERT_EQ(Authenticator::REJECTED, client_->state());
// Change |client_| so that we can get the laste message.
client_->state_ = Authenticator::MESSAGE_READY;
scoped_ptr<buzz::XmlElement> message(client_->GetNextMessage());
ASSERT_TRUE(message.get());
ASSERT_EQ(Authenticator::WAITING_MESSAGE, client_->state());
host_->ProcessMessage(message.get());
ASSERT_EQ(Authenticator::REJECTED, host_->state());
}
} // namespace protocol
} // namespace remoting
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