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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 "net/quic/quic_crypto_client_stream.h"
#include "base/memory/scoped_ptr.h"
#include "net/quic/crypto/aes_128_gcm_12_encrypter.h"
#include "net/quic/crypto/quic_decrypter.h"
#include "net/quic/crypto/quic_encrypter.h"
#include "net/quic/quic_protocol.h"
#include "net/quic/quic_session_key.h"
#include "net/quic/test_tools/crypto_test_utils.h"
#include "net/quic/test_tools/quic_test_utils.h"
#include "net/quic/test_tools/simple_quic_framer.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
namespace {
const char kServerHostname[] = "example.com";
const uint16 kServerPort = 80;
class QuicCryptoClientStreamTest : public ::testing::Test {
public:
QuicCryptoClientStreamTest()
: connection_(new PacketSavingConnection(false)),
session_(new TestSession(connection_, DefaultQuicConfig())),
server_key_(kServerHostname, kServerPort, false),
stream_(new QuicCryptoClientStream(server_key_, session_.get(), NULL,
&crypto_config_)) {
session_->SetCryptoStream(stream_.get());
session_->config()->SetDefaults();
crypto_config_.SetDefaults();
}
void CompleteCryptoHandshake() {
EXPECT_TRUE(stream_->CryptoConnect());
CryptoTestUtils::HandshakeWithFakeServer(connection_, stream_.get());
}
void ConstructHandshakeMessage() {
CryptoFramer framer;
message_data_.reset(framer.ConstructHandshakeMessage(message_));
}
PacketSavingConnection* connection_;
scoped_ptr<TestSession> session_;
QuicSessionKey server_key_;
scoped_ptr<QuicCryptoClientStream> stream_;
CryptoHandshakeMessage message_;
scoped_ptr<QuicData> message_data_;
QuicCryptoClientConfig crypto_config_;
};
TEST_F(QuicCryptoClientStreamTest, NotInitiallyConected) {
EXPECT_FALSE(stream_->encryption_established());
EXPECT_FALSE(stream_->handshake_confirmed());
}
TEST_F(QuicCryptoClientStreamTest, ConnectedAfterSHLO) {
CompleteCryptoHandshake();
EXPECT_TRUE(stream_->encryption_established());
EXPECT_TRUE(stream_->handshake_confirmed());
}
TEST_F(QuicCryptoClientStreamTest, MessageAfterHandshake) {
CompleteCryptoHandshake();
EXPECT_CALL(*connection_, SendConnectionClose(
QUIC_CRYPTO_MESSAGE_AFTER_HANDSHAKE_COMPLETE));
message_.set_tag(kCHLO);
ConstructHandshakeMessage();
stream_->ProcessRawData(message_data_->data(), message_data_->length());
}
TEST_F(QuicCryptoClientStreamTest, BadMessageType) {
EXPECT_TRUE(stream_->CryptoConnect());
message_.set_tag(kCHLO);
ConstructHandshakeMessage();
EXPECT_CALL(*connection_, SendConnectionCloseWithDetails(
QUIC_INVALID_CRYPTO_MESSAGE_TYPE, "Expected REJ"));
stream_->ProcessRawData(message_data_->data(), message_data_->length());
}
TEST_F(QuicCryptoClientStreamTest, NegotiatedParameters) {
CompleteCryptoHandshake();
const QuicConfig* config = session_->config();
EXPECT_EQ(FLAGS_enable_quic_pacing ? kPACE : kQBIC,
config->congestion_control());
EXPECT_EQ(kDefaultTimeoutSecs,
config->idle_connection_state_lifetime().ToSeconds());
EXPECT_EQ(kDefaultMaxStreamsPerConnection,
config->max_streams_per_connection());
EXPECT_EQ(0, config->keepalive_timeout().ToSeconds());
const QuicCryptoNegotiatedParameters& crypto_params(
stream_->crypto_negotiated_params());
EXPECT_EQ(kAESG, crypto_params.aead);
EXPECT_EQ(kC255, crypto_params.key_exchange);
}
TEST_F(QuicCryptoClientStreamTest, InvalidHostname) {
QuicSessionKey server_key("invalid", 80, false);
stream_.reset(new QuicCryptoClientStream(server_key, session_.get(), NULL,
&crypto_config_));
session_->SetCryptoStream(stream_.get());
CompleteCryptoHandshake();
EXPECT_TRUE(stream_->encryption_established());
EXPECT_TRUE(stream_->handshake_confirmed());
}
TEST_F(QuicCryptoClientStreamTest, ExpiredServerConfig) {
// Seed the config with a cached server config.
CompleteCryptoHandshake();
connection_ = new PacketSavingConnection(true);
session_.reset(new TestSession(connection_, DefaultQuicConfig()));
stream_.reset(new QuicCryptoClientStream(server_key_, session_.get(), NULL,
&crypto_config_));
session_->SetCryptoStream(stream_.get());
session_->config()->SetDefaults();
// Advance time 5 years to ensure that we pass the expiry time of the cached
// server config.
reinterpret_cast<MockClock*>(const_cast<QuicClock*>(connection_->clock()))
->AdvanceTime(QuicTime::Delta::FromSeconds(60 * 60 * 24 * 365 * 5));
// Check that a client hello was sent and that CryptoConnect doesn't fail
// with an error.
EXPECT_TRUE(stream_->CryptoConnect());
ASSERT_EQ(1u, connection_->packets_.size());
}
} // namespace
} // namespace test
} // namespace net
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