| // 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_flags.h" |
| #include "net/quic/quic_protocol.h" |
| #include "net/quic/quic_server_id.h" |
| #include "net/quic/quic_utils.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" |
| |
| using std::string; |
| |
| namespace net { |
| namespace test { |
| namespace { |
| |
| const char kServerHostname[] = "example.com"; |
| const uint16 kServerPort = 80; |
| |
| class QuicCryptoClientStreamTest : public ::testing::Test { |
| public: |
| QuicCryptoClientStreamTest() |
| : connection_(new PacketSavingConnection(Perspective::IS_CLIENT)), |
| session_(new TestClientSession(connection_, DefaultQuicConfig())), |
| server_id_(kServerHostname, kServerPort, false, PRIVACY_MODE_DISABLED), |
| stream_(new QuicCryptoClientStream(server_id_, |
| session_.get(), |
| nullptr, |
| &crypto_config_)) { |
| session_->SetCryptoStream(stream_.get()); |
| // Advance the time, because timers do not like uninitialized times. |
| connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1)); |
| } |
| |
| void CompleteCryptoHandshake() { |
| stream_->CryptoConnect(); |
| CryptoTestUtils::HandshakeWithFakeServer(connection_, stream_.get()); |
| } |
| |
| void ConstructHandshakeMessage() { |
| CryptoFramer framer; |
| message_data_.reset(framer.ConstructHandshakeMessage(message_)); |
| } |
| |
| PacketSavingConnection* connection_; |
| scoped_ptr<TestClientSession> session_; |
| QuicServerId server_id_; |
| 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) { |
| 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(kMaximumIdleTimeoutSecs, |
| config->IdleConnectionStateLifetime().ToSeconds()); |
| EXPECT_EQ(kDefaultMaxStreamsPerConnection, |
| config->MaxStreamsPerConnection()); |
| |
| const QuicCryptoNegotiatedParameters& crypto_params( |
| stream_->crypto_negotiated_params()); |
| EXPECT_EQ(crypto_config_.aead[0], crypto_params.aead); |
| EXPECT_EQ(crypto_config_.kexs[0], crypto_params.key_exchange); |
| } |
| |
| TEST_F(QuicCryptoClientStreamTest, InvalidHostname) { |
| QuicServerId server_id("invalid", 80, false, PRIVACY_MODE_DISABLED); |
| stream_.reset(new QuicCryptoClientStream(server_id, session_.get(), nullptr, |
| &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(Perspective::IS_CLIENT); |
| session_.reset(new TestClientSession(connection_, DefaultQuicConfig())); |
| stream_.reset(new QuicCryptoClientStream(server_id_, session_.get(), nullptr, |
| &crypto_config_)); |
| |
| session_->SetCryptoStream(stream_.get()); |
| |
| // Advance time 5 years to ensure that we pass the expiry time of the cached |
| // server config. |
| connection_->AdvanceTime( |
| QuicTime::Delta::FromSeconds(60 * 60 * 24 * 365 * 5)); |
| |
| stream_->CryptoConnect(); |
| // Check that a client hello was sent. |
| ASSERT_EQ(1u, connection_->encrypted_packets_.size()); |
| } |
| |
| TEST_F(QuicCryptoClientStreamTest, ServerConfigUpdate) { |
| // Test that the crypto client stream can receive server config updates after |
| // the connection has been established. |
| CompleteCryptoHandshake(); |
| |
| QuicCryptoClientConfig::CachedState* state = |
| crypto_config_.LookupOrCreate(server_id_); |
| |
| // Ensure cached STK is different to what we send in the handshake. |
| EXPECT_NE("xstk", state->source_address_token()); |
| |
| // Initialize using {...} syntax to avoid trailing \0 if converting from |
| // string. |
| unsigned char stk[] = { 'x', 's', 't', 'k' }; |
| |
| // Minimum SCFG that passes config validation checks. |
| unsigned char scfg[] = { |
| // SCFG |
| 0x53, 0x43, 0x46, 0x47, |
| // num entries |
| 0x01, 0x00, |
| // padding |
| 0x00, 0x00, |
| // EXPY |
| 0x45, 0x58, 0x50, 0x59, |
| // EXPY end offset |
| 0x08, 0x00, 0x00, 0x00, |
| // Value |
| '1', '2', '3', '4', |
| '5', '6', '7', '8' |
| }; |
| |
| CryptoHandshakeMessage server_config_update; |
| server_config_update.set_tag(kSCUP); |
| server_config_update.SetValue(kSourceAddressTokenTag, stk); |
| server_config_update.SetValue(kSCFG, scfg); |
| |
| scoped_ptr<QuicData> data( |
| CryptoFramer::ConstructHandshakeMessage(server_config_update)); |
| stream_->ProcessRawData(data->data(), data->length()); |
| |
| // Make sure that the STK and SCFG are cached correctly. |
| EXPECT_EQ("xstk", state->source_address_token()); |
| |
| string cached_scfg = state->server_config(); |
| test::CompareCharArraysWithHexError( |
| "scfg", cached_scfg.data(), cached_scfg.length(), |
| QuicUtils::AsChars(scfg), arraysize(scfg)); |
| } |
| |
| TEST_F(QuicCryptoClientStreamTest, ServerConfigUpdateBeforeHandshake) { |
| EXPECT_CALL(*connection_, SendConnectionClose( |
| QUIC_CRYPTO_UPDATE_BEFORE_HANDSHAKE_COMPLETE)); |
| CryptoHandshakeMessage server_config_update; |
| server_config_update.set_tag(kSCUP); |
| scoped_ptr<QuicData> data( |
| CryptoFramer::ConstructHandshakeMessage(server_config_update)); |
| stream_->ProcessRawData(data->data(), data->length()); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace net |