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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_server_stream.h"
#include <map>
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "net/quic/crypto/aes_128_gcm_12_encrypter.h"
#include "net/quic/crypto/crypto_framer.h"
#include "net/quic/crypto/crypto_handshake.h"
#include "net/quic/crypto/crypto_protocol.h"
#include "net/quic/crypto/crypto_server_config.h"
#include "net/quic/crypto/crypto_utils.h"
#include "net/quic/crypto/quic_decrypter.h"
#include "net/quic/crypto/quic_encrypter.h"
#include "net/quic/crypto/quic_random.h"
#include "net/quic/quic_crypto_client_stream.h"
#include "net/quic/quic_protocol.h"
#include "net/quic/quic_session.h"
#include "net/quic/test_tools/crypto_test_utils.h"
#include "net/quic/test_tools/quic_test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
class QuicConnection;
class ReliableQuicStream;
} // namespace net
using testing::_;
namespace net {
namespace test {
namespace {
class QuicCryptoServerStreamTest : public ::testing::Test {
public:
QuicCryptoServerStreamTest()
: guid_(1),
addr_(ParseIPLiteralToNumber("192.0.2.33", &ip_) ?
ip_ : IPAddressNumber(), 1),
connection_(new PacketSavingConnection(guid_, addr_, true)),
session_(connection_, DefaultQuicConfig(), true),
crypto_config_(QuicCryptoServerConfig::TESTING,
QuicRandom::GetInstance()),
stream_(crypto_config_, &session_) {
config_.SetDefaults();
session_.config()->SetDefaults();
session_.SetCryptoStream(&stream_);
// We advance the clock initially because the default time is zero and the
// strike register worries that we've just overflowed a uint32 time.
connection_->AdvanceTime(QuicTime::Delta::FromSeconds(100000));
// TODO(rtenneti): Enable testing of ProofSource.
// crypto_config_.SetProofSource(CryptoTestUtils::ProofSourceForTesting());
CryptoTestUtils::SetupCryptoServerConfigForTest(
connection_->clock(), connection_->random_generator(),
session_.config(), &crypto_config_);
}
void ConstructHandshakeMessage() {
CryptoFramer framer;
message_data_.reset(framer.ConstructHandshakeMessage(message_));
}
int CompleteCryptoHandshake() {
return CryptoTestUtils::HandshakeWithFakeClient(connection_, &stream_,
client_options_);
}
protected:
IPAddressNumber ip_;
QuicGuid guid_;
IPEndPoint addr_;
PacketSavingConnection* connection_;
TestSession session_;
QuicConfig config_;
QuicCryptoServerConfig crypto_config_;
QuicCryptoServerStream stream_;
CryptoHandshakeMessage message_;
scoped_ptr<QuicData> message_data_;
CryptoTestUtils::FakeClientOptions client_options_;
};
TEST_F(QuicCryptoServerStreamTest, NotInitiallyConected) {
EXPECT_FALSE(stream_.encryption_established());
EXPECT_FALSE(stream_.handshake_confirmed());
}
TEST_F(QuicCryptoServerStreamTest, ConnectedAfterCHLO) {
// CompleteCryptoHandshake returns the number of client hellos sent. This
// test should send:
// * One to get a source-address token and certificates.
// * One to complete the handshake.
EXPECT_EQ(2, CompleteCryptoHandshake());
EXPECT_TRUE(stream_.encryption_established());
EXPECT_TRUE(stream_.handshake_confirmed());
}
TEST_F(QuicCryptoServerStreamTest, ZeroRTT) {
QuicGuid guid(1);
IPAddressNumber ip;
ParseIPLiteralToNumber("127.0.0.1", &ip);
IPEndPoint addr(ip, 0);
PacketSavingConnection* client_conn =
new PacketSavingConnection(guid, addr, false);
PacketSavingConnection* server_conn =
new PacketSavingConnection(guid, addr, false);
client_conn->AdvanceTime(QuicTime::Delta::FromSeconds(100000));
server_conn->AdvanceTime(QuicTime::Delta::FromSeconds(100000));
QuicConfig client_config;
client_config.SetDefaults();
scoped_ptr<TestSession> client_session(
new TestSession(client_conn, client_config, false));
QuicCryptoClientConfig client_crypto_config;
client_crypto_config.SetDefaults();
scoped_ptr<QuicCryptoClientStream> client(new QuicCryptoClientStream(
"test.example.com", client_session.get(), &client_crypto_config));
client_session->SetCryptoStream(client.get());
// Do a first handshake in order to prime the client config with the server's
// information.
CHECK(client->CryptoConnect());
CHECK_EQ(1u, client_conn->packets_.size());
scoped_ptr<TestSession> server_session(
new TestSession(server_conn, config_, true));
scoped_ptr<QuicCryptoServerStream> server(
new QuicCryptoServerStream(crypto_config_, server_session.get()));
server_session->SetCryptoStream(server.get());
CryptoTestUtils::CommunicateHandshakeMessages(
client_conn, client.get(), server_conn, server.get());
EXPECT_EQ(2, client->num_sent_client_hellos());
// Now do another handshake, hopefully in 0-RTT.
LOG(INFO) << "Resetting for 0-RTT handshake attempt";
client_conn = new PacketSavingConnection(guid, addr, false);
server_conn = new PacketSavingConnection(guid, addr, false);
// We need to advance time past the strike-server window so that it's
// authoritative in this time span.
client_conn->AdvanceTime(QuicTime::Delta::FromSeconds(102000));
server_conn->AdvanceTime(QuicTime::Delta::FromSeconds(102000));
// This causes the client's nonce to be different and thus stops the
// strike-register from rejecting the repeated nonce.
reinterpret_cast<MockRandom*>(client_conn->random_generator())->ChangeValue();
client_session.reset(new TestSession(client_conn, client_config, false));
server_session.reset(new TestSession(server_conn, config_, true));
client.reset(new QuicCryptoClientStream(
"test.example.com", client_session.get(), &client_crypto_config));
client_session->SetCryptoStream(client.get());
server.reset(new QuicCryptoServerStream(crypto_config_,
server_session.get()));
server_session->SetCryptoStream(server.get());
CHECK(client->CryptoConnect());
CryptoTestUtils::CommunicateHandshakeMessages(
client_conn, client.get(), server_conn, server.get());
EXPECT_EQ(1, client->num_sent_client_hellos());
}
TEST_F(QuicCryptoServerStreamTest, MessageAfterHandshake) {
CompleteCryptoHandshake();
EXPECT_CALL(*connection_, SendConnectionClose(
QUIC_CRYPTO_MESSAGE_AFTER_HANDSHAKE_COMPLETE));
message_.set_tag(kCHLO);
ConstructHandshakeMessage();
stream_.ProcessData(message_data_->data(), message_data_->length());
}
TEST_F(QuicCryptoServerStreamTest, BadMessageType) {
message_.set_tag(kSHLO);
ConstructHandshakeMessage();
EXPECT_CALL(*connection_, SendConnectionClose(
QUIC_INVALID_CRYPTO_MESSAGE_TYPE));
stream_.ProcessData(message_data_->data(), message_data_->length());
}
TEST_F(QuicCryptoServerStreamTest, WithoutCertificates) {
crypto_config_.SetProofSource(NULL);
client_options_.dont_verify_certs = true;
// Only 2 client hellos need to be sent in the no-certs case: one to get the
// source-address token and the second to finish.
EXPECT_EQ(2, CompleteCryptoHandshake());
EXPECT_TRUE(stream_.encryption_established());
EXPECT_TRUE(stream_.handshake_confirmed());
}
TEST_F(QuicCryptoServerStreamTest, ChannelID) {
client_options_.channel_id_enabled = true;
// TODO(rtenneti): Enable testing of ProofVerifier.
// CompleteCryptoHandshake verifies
// stream_.crypto_negotiated_params().channel_id is correct.
EXPECT_EQ(2, CompleteCryptoHandshake());
EXPECT_TRUE(stream_.encryption_established());
EXPECT_TRUE(stream_.handshake_confirmed());
}
} // namespace
} // namespace test
} // namespace net
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