| // 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 "quic/test_tools/quic_test_utils.h" |
| |
| #include <algorithm> |
| #include <cstdint> |
| #include <memory> |
| #include <utility> |
| |
| #include "absl/base/macros.h" |
| #include "absl/strings/string_view.h" |
| #include "third_party/boringssl/src/include/openssl/chacha.h" |
| #include "third_party/boringssl/src/include/openssl/sha.h" |
| #include "quic/core/crypto/crypto_framer.h" |
| #include "quic/core/crypto/crypto_handshake.h" |
| #include "quic/core/crypto/crypto_utils.h" |
| #include "quic/core/crypto/null_decrypter.h" |
| #include "quic/core/crypto/null_encrypter.h" |
| #include "quic/core/crypto/quic_decrypter.h" |
| #include "quic/core/crypto/quic_encrypter.h" |
| #include "quic/core/http/quic_spdy_client_session.h" |
| #include "quic/core/quic_buffer_allocator.h" |
| #include "quic/core/quic_config.h" |
| #include "quic/core/quic_data_writer.h" |
| #include "quic/core/quic_framer.h" |
| #include "quic/core/quic_packet_creator.h" |
| #include "quic/core/quic_simple_buffer_allocator.h" |
| #include "quic/core/quic_types.h" |
| #include "quic/core/quic_utils.h" |
| #include "quic/core/quic_versions.h" |
| #include "quic/platform/api/quic_error_code_wrappers.h" |
| #include "quic/platform/api/quic_flags.h" |
| #include "quic/platform/api/quic_logging.h" |
| #include "quic/test_tools/crypto_test_utils.h" |
| #include "quic/test_tools/quic_config_peer.h" |
| #include "quic/test_tools/quic_connection_peer.h" |
| #include "common/quiche_endian.h" |
| #include "spdy/core/spdy_frame_builder.h" |
| |
| using testing::_; |
| using testing::Invoke; |
| |
| namespace quic { |
| namespace test { |
| |
| QuicConnectionId TestConnectionId() { |
| // Chosen by fair dice roll. |
| // Guaranteed to be random. |
| return TestConnectionId(42); |
| } |
| |
| QuicConnectionId TestConnectionId(uint64_t connection_number) { |
| const uint64_t connection_id64_net = |
| quiche::QuicheEndian::HostToNet64(connection_number); |
| return QuicConnectionId(reinterpret_cast<const char*>(&connection_id64_net), |
| sizeof(connection_id64_net)); |
| } |
| |
| QuicConnectionId TestConnectionIdNineBytesLong(uint64_t connection_number) { |
| const uint64_t connection_number_net = |
| quiche::QuicheEndian::HostToNet64(connection_number); |
| char connection_id_bytes[9] = {}; |
| static_assert( |
| sizeof(connection_id_bytes) == 1 + sizeof(connection_number_net), |
| "bad lengths"); |
| memcpy(connection_id_bytes + 1, &connection_number_net, |
| sizeof(connection_number_net)); |
| return QuicConnectionId(connection_id_bytes, sizeof(connection_id_bytes)); |
| } |
| |
| uint64_t TestConnectionIdToUInt64(QuicConnectionId connection_id) { |
| QUICHE_DCHECK_EQ(connection_id.length(), kQuicDefaultConnectionIdLength); |
| uint64_t connection_id64_net = 0; |
| memcpy(&connection_id64_net, connection_id.data(), |
| std::min<size_t>(static_cast<size_t>(connection_id.length()), |
| sizeof(connection_id64_net))); |
| return quiche::QuicheEndian::NetToHost64(connection_id64_net); |
| } |
| |
| std::vector<uint8_t> CreateStatelessResetTokenForTest() { |
| static constexpr uint8_t kStatelessResetTokenDataForTest[16] = { |
| 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
| 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F}; |
| return std::vector<uint8_t>(kStatelessResetTokenDataForTest, |
| kStatelessResetTokenDataForTest + |
| sizeof(kStatelessResetTokenDataForTest)); |
| } |
| |
| std::string TestHostname() { |
| return "test.example.org"; |
| } |
| |
| QuicServerId TestServerId() { |
| return QuicServerId(TestHostname(), kTestPort); |
| } |
| |
| QuicAckFrame InitAckFrame(const std::vector<QuicAckBlock>& ack_blocks) { |
| QUICHE_DCHECK_GT(ack_blocks.size(), 0u); |
| |
| QuicAckFrame ack; |
| QuicPacketNumber end_of_previous_block(1); |
| for (const QuicAckBlock& block : ack_blocks) { |
| QUICHE_DCHECK_GE(block.start, end_of_previous_block); |
| QUICHE_DCHECK_GT(block.limit, block.start); |
| ack.packets.AddRange(block.start, block.limit); |
| end_of_previous_block = block.limit; |
| } |
| |
| ack.largest_acked = ack.packets.Max(); |
| |
| return ack; |
| } |
| |
| QuicAckFrame InitAckFrame(uint64_t largest_acked) { |
| return InitAckFrame(QuicPacketNumber(largest_acked)); |
| } |
| |
| QuicAckFrame InitAckFrame(QuicPacketNumber largest_acked) { |
| return InitAckFrame({{QuicPacketNumber(1), largest_acked + 1}}); |
| } |
| |
| QuicAckFrame MakeAckFrameWithAckBlocks(size_t num_ack_blocks, |
| uint64_t least_unacked) { |
| QuicAckFrame ack; |
| ack.largest_acked = QuicPacketNumber(2 * num_ack_blocks + least_unacked); |
| // Add enough received packets to get num_ack_blocks ack blocks. |
| for (QuicPacketNumber i = QuicPacketNumber(2); |
| i < QuicPacketNumber(2 * num_ack_blocks + 1); i += 2) { |
| ack.packets.Add(i + least_unacked); |
| } |
| return ack; |
| } |
| |
| QuicAckFrame MakeAckFrameWithGaps(uint64_t gap_size, |
| size_t max_num_gaps, |
| uint64_t largest_acked) { |
| QuicAckFrame ack; |
| ack.largest_acked = QuicPacketNumber(largest_acked); |
| ack.packets.Add(QuicPacketNumber(largest_acked)); |
| for (size_t i = 0; i < max_num_gaps; ++i) { |
| if (largest_acked <= gap_size) { |
| break; |
| } |
| largest_acked -= gap_size; |
| ack.packets.Add(QuicPacketNumber(largest_acked)); |
| } |
| return ack; |
| } |
| |
| EncryptionLevel HeaderToEncryptionLevel(const QuicPacketHeader& header) { |
| if (header.form == IETF_QUIC_SHORT_HEADER_PACKET) { |
| return ENCRYPTION_FORWARD_SECURE; |
| } else if (header.form == IETF_QUIC_LONG_HEADER_PACKET) { |
| if (header.long_packet_type == HANDSHAKE) { |
| return ENCRYPTION_HANDSHAKE; |
| } else if (header.long_packet_type == ZERO_RTT_PROTECTED) { |
| return ENCRYPTION_ZERO_RTT; |
| } |
| } |
| return ENCRYPTION_INITIAL; |
| } |
| |
| std::unique_ptr<QuicPacket> BuildUnsizedDataPacket( |
| QuicFramer* framer, |
| const QuicPacketHeader& header, |
| const QuicFrames& frames) { |
| const size_t max_plaintext_size = |
| framer->GetMaxPlaintextSize(kMaxOutgoingPacketSize); |
| size_t packet_size = GetPacketHeaderSize(framer->transport_version(), header); |
| for (size_t i = 0; i < frames.size(); ++i) { |
| QUICHE_DCHECK_LE(packet_size, max_plaintext_size); |
| bool first_frame = i == 0; |
| bool last_frame = i == frames.size() - 1; |
| const size_t frame_size = framer->GetSerializedFrameLength( |
| frames[i], max_plaintext_size - packet_size, first_frame, last_frame, |
| header.packet_number_length); |
| QUICHE_DCHECK(frame_size); |
| packet_size += frame_size; |
| } |
| return BuildUnsizedDataPacket(framer, header, frames, packet_size); |
| } |
| |
| std::unique_ptr<QuicPacket> BuildUnsizedDataPacket( |
| QuicFramer* framer, |
| const QuicPacketHeader& header, |
| const QuicFrames& frames, |
| size_t packet_size) { |
| char* buffer = new char[packet_size]; |
| EncryptionLevel level = HeaderToEncryptionLevel(header); |
| size_t length = |
| framer->BuildDataPacket(header, frames, buffer, packet_size, level); |
| QUICHE_DCHECK_NE(0u, length); |
| // Re-construct the data packet with data ownership. |
| return std::make_unique<QuicPacket>( |
| buffer, length, /* owns_buffer */ true, |
| GetIncludedDestinationConnectionIdLength(header), |
| GetIncludedSourceConnectionIdLength(header), header.version_flag, |
| header.nonce != nullptr, header.packet_number_length, |
| header.retry_token_length_length, header.retry_token.length(), |
| header.length_length); |
| } |
| |
| std::string Sha1Hash(absl::string_view data) { |
| char buffer[SHA_DIGEST_LENGTH]; |
| SHA1(reinterpret_cast<const uint8_t*>(data.data()), data.size(), |
| reinterpret_cast<uint8_t*>(buffer)); |
| return std::string(buffer, ABSL_ARRAYSIZE(buffer)); |
| } |
| |
| bool ClearControlFrame(const QuicFrame& frame) { |
| DeleteFrame(&const_cast<QuicFrame&>(frame)); |
| return true; |
| } |
| |
| bool ClearControlFrameWithTransmissionType(const QuicFrame& frame, |
| TransmissionType /*type*/) { |
| return ClearControlFrame(frame); |
| } |
| |
| uint64_t SimpleRandom::RandUint64() { |
| uint64_t result; |
| RandBytes(&result, sizeof(result)); |
| return result; |
| } |
| |
| void SimpleRandom::RandBytes(void* data, size_t len) { |
| uint8_t* data_bytes = reinterpret_cast<uint8_t*>(data); |
| while (len > 0) { |
| const size_t buffer_left = sizeof(buffer_) - buffer_offset_; |
| const size_t to_copy = std::min(buffer_left, len); |
| memcpy(data_bytes, buffer_ + buffer_offset_, to_copy); |
| data_bytes += to_copy; |
| buffer_offset_ += to_copy; |
| len -= to_copy; |
| |
| if (buffer_offset_ == sizeof(buffer_)) { |
| FillBuffer(); |
| } |
| } |
| } |
| |
| void SimpleRandom::FillBuffer() { |
| uint8_t nonce[12]; |
| memcpy(nonce, buffer_, sizeof(nonce)); |
| CRYPTO_chacha_20(buffer_, buffer_, sizeof(buffer_), key_, nonce, 0); |
| buffer_offset_ = 0; |
| } |
| |
| void SimpleRandom::set_seed(uint64_t seed) { |
| static_assert(sizeof(key_) == SHA256_DIGEST_LENGTH, "Key has to be 256 bits"); |
| SHA256(reinterpret_cast<const uint8_t*>(&seed), sizeof(seed), key_); |
| |
| memset(buffer_, 0, sizeof(buffer_)); |
| FillBuffer(); |
| } |
| |
| MockFramerVisitor::MockFramerVisitor() { |
| // By default, we want to accept packets. |
| ON_CALL(*this, OnProtocolVersionMismatch(_)) |
| .WillByDefault(testing::Return(false)); |
| |
| // By default, we want to accept packets. |
| ON_CALL(*this, OnUnauthenticatedHeader(_)) |
| .WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnUnauthenticatedPublicHeader(_)) |
| .WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnPacketHeader(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnStreamFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnCryptoFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnStopWaitingFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnPaddingFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnPingFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnRstStreamFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnConnectionCloseFrame(_)) |
| .WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnStopSendingFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnPathChallengeFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnPathResponseFrame(_)).WillByDefault(testing::Return(true)); |
| |
| ON_CALL(*this, OnGoAwayFrame(_)).WillByDefault(testing::Return(true)); |
| ON_CALL(*this, OnMaxStreamsFrame(_)).WillByDefault(testing::Return(true)); |
| ON_CALL(*this, OnStreamsBlockedFrame(_)).WillByDefault(testing::Return(true)); |
| } |
| |
| MockFramerVisitor::~MockFramerVisitor() {} |
| |
| bool NoOpFramerVisitor::OnProtocolVersionMismatch( |
| ParsedQuicVersion /*version*/) { |
| return false; |
| } |
| |
| bool NoOpFramerVisitor::OnUnauthenticatedPublicHeader( |
| const QuicPacketHeader& /*header*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnUnauthenticatedHeader( |
| const QuicPacketHeader& /*header*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnPacketHeader(const QuicPacketHeader& /*header*/) { |
| return true; |
| } |
| |
| void NoOpFramerVisitor::OnCoalescedPacket( |
| const QuicEncryptedPacket& /*packet*/) {} |
| |
| void NoOpFramerVisitor::OnUndecryptablePacket( |
| const QuicEncryptedPacket& /*packet*/, |
| EncryptionLevel /*decryption_level*/, |
| bool /*has_decryption_key*/) {} |
| |
| bool NoOpFramerVisitor::OnStreamFrame(const QuicStreamFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnCryptoFrame(const QuicCryptoFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnAckFrameStart(QuicPacketNumber /*largest_acked*/, |
| QuicTime::Delta /*ack_delay_time*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnAckRange(QuicPacketNumber /*start*/, |
| QuicPacketNumber /*end*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnAckTimestamp(QuicPacketNumber /*packet_number*/, |
| QuicTime /*timestamp*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnAckFrameEnd(QuicPacketNumber /*start*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnStopWaitingFrame( |
| const QuicStopWaitingFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnPaddingFrame(const QuicPaddingFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnPingFrame(const QuicPingFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnRstStreamFrame(const QuicRstStreamFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnConnectionCloseFrame( |
| const QuicConnectionCloseFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnNewConnectionIdFrame( |
| const QuicNewConnectionIdFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnRetireConnectionIdFrame( |
| const QuicRetireConnectionIdFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnNewTokenFrame(const QuicNewTokenFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnStopSendingFrame( |
| const QuicStopSendingFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnPathChallengeFrame( |
| const QuicPathChallengeFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnPathResponseFrame( |
| const QuicPathResponseFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnGoAwayFrame(const QuicGoAwayFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnMaxStreamsFrame( |
| const QuicMaxStreamsFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnStreamsBlockedFrame( |
| const QuicStreamsBlockedFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnWindowUpdateFrame( |
| const QuicWindowUpdateFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnBlockedFrame(const QuicBlockedFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnMessageFrame(const QuicMessageFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnHandshakeDoneFrame( |
| const QuicHandshakeDoneFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::OnAckFrequencyFrame( |
| const QuicAckFrequencyFrame& /*frame*/) { |
| return true; |
| } |
| |
| bool NoOpFramerVisitor::IsValidStatelessResetToken( |
| QuicUint128 /*token*/) const { |
| return false; |
| } |
| |
| MockQuicConnectionVisitor::MockQuicConnectionVisitor() {} |
| |
| MockQuicConnectionVisitor::~MockQuicConnectionVisitor() {} |
| |
| MockQuicConnectionHelper::MockQuicConnectionHelper() {} |
| |
| MockQuicConnectionHelper::~MockQuicConnectionHelper() {} |
| |
| const QuicClock* MockQuicConnectionHelper::GetClock() const { |
| return &clock_; |
| } |
| |
| QuicRandom* MockQuicConnectionHelper::GetRandomGenerator() { |
| return &random_generator_; |
| } |
| |
| QuicAlarm* MockAlarmFactory::CreateAlarm(QuicAlarm::Delegate* delegate) { |
| return new MockAlarmFactory::TestAlarm( |
| QuicArenaScopedPtr<QuicAlarm::Delegate>(delegate)); |
| } |
| |
| QuicArenaScopedPtr<QuicAlarm> MockAlarmFactory::CreateAlarm( |
| QuicArenaScopedPtr<QuicAlarm::Delegate> delegate, |
| QuicConnectionArena* arena) { |
| if (arena != nullptr) { |
| return arena->New<TestAlarm>(std::move(delegate)); |
| } else { |
| return QuicArenaScopedPtr<TestAlarm>(new TestAlarm(std::move(delegate))); |
| } |
| } |
| |
| QuicBufferAllocator* MockQuicConnectionHelper::GetStreamSendBufferAllocator() { |
| return &buffer_allocator_; |
| } |
| |
| void MockQuicConnectionHelper::AdvanceTime(QuicTime::Delta delta) { |
| clock_.AdvanceTime(delta); |
| } |
| |
| MockQuicConnection::MockQuicConnection(MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| Perspective perspective) |
| : MockQuicConnection(TestConnectionId(), |
| QuicSocketAddress(TestPeerIPAddress(), kTestPort), |
| helper, |
| alarm_factory, |
| perspective, |
| ParsedVersionOfIndex(CurrentSupportedVersions(), 0)) {} |
| |
| MockQuicConnection::MockQuicConnection(QuicSocketAddress address, |
| MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| Perspective perspective) |
| : MockQuicConnection(TestConnectionId(), |
| address, |
| helper, |
| alarm_factory, |
| perspective, |
| ParsedVersionOfIndex(CurrentSupportedVersions(), 0)) {} |
| |
| MockQuicConnection::MockQuicConnection(QuicConnectionId connection_id, |
| MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| Perspective perspective) |
| : MockQuicConnection(connection_id, |
| QuicSocketAddress(TestPeerIPAddress(), kTestPort), |
| helper, |
| alarm_factory, |
| perspective, |
| ParsedVersionOfIndex(CurrentSupportedVersions(), 0)) {} |
| |
| MockQuicConnection::MockQuicConnection( |
| MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| Perspective perspective, |
| const ParsedQuicVersionVector& supported_versions) |
| : MockQuicConnection(TestConnectionId(), |
| QuicSocketAddress(TestPeerIPAddress(), kTestPort), |
| helper, |
| alarm_factory, |
| perspective, |
| supported_versions) {} |
| |
| MockQuicConnection::MockQuicConnection( |
| QuicConnectionId connection_id, |
| QuicSocketAddress initial_peer_address, |
| MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| Perspective perspective, |
| const ParsedQuicVersionVector& supported_versions) |
| : QuicConnection( |
| connection_id, |
| /*initial_self_address=*/QuicSocketAddress(QuicIpAddress::Any4(), 5), |
| initial_peer_address, |
| helper, |
| alarm_factory, |
| new testing::NiceMock<MockPacketWriter>(), |
| /* owns_writer= */ true, |
| perspective, |
| supported_versions) { |
| ON_CALL(*this, OnError(_)) |
| .WillByDefault( |
| Invoke(this, &PacketSavingConnection::QuicConnection_OnError)); |
| ON_CALL(*this, SendCryptoData(_, _, _)) |
| .WillByDefault( |
| Invoke(this, &MockQuicConnection::QuicConnection_SendCryptoData)); |
| |
| SetSelfAddress(QuicSocketAddress(QuicIpAddress::Any4(), 5)); |
| } |
| |
| MockQuicConnection::~MockQuicConnection() {} |
| |
| void MockQuicConnection::AdvanceTime(QuicTime::Delta delta) { |
| static_cast<MockQuicConnectionHelper*>(helper())->AdvanceTime(delta); |
| } |
| |
| bool MockQuicConnection::OnProtocolVersionMismatch( |
| ParsedQuicVersion /*version*/) { |
| return false; |
| } |
| |
| PacketSavingConnection::PacketSavingConnection(MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| Perspective perspective) |
| : MockQuicConnection(helper, alarm_factory, perspective) {} |
| |
| PacketSavingConnection::PacketSavingConnection( |
| MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| Perspective perspective, |
| const ParsedQuicVersionVector& supported_versions) |
| : MockQuicConnection(helper, |
| alarm_factory, |
| perspective, |
| supported_versions) {} |
| |
| PacketSavingConnection::~PacketSavingConnection() {} |
| |
| void PacketSavingConnection::SendOrQueuePacket(SerializedPacket packet) { |
| encrypted_packets_.push_back(std::make_unique<QuicEncryptedPacket>( |
| CopyBuffer(packet), packet.encrypted_length, true)); |
| clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(10)); |
| // Transfer ownership of the packet to the SentPacketManager and the |
| // ack notifier to the AckNotifierManager. |
| OnPacketSent(packet.encryption_level, packet.transmission_type); |
| QuicConnectionPeer::GetSentPacketManager(this)->OnPacketSent( |
| &packet, clock_.ApproximateNow(), NOT_RETRANSMISSION, |
| HAS_RETRANSMITTABLE_DATA, true); |
| } |
| |
| MockQuicSession::MockQuicSession(QuicConnection* connection) |
| : MockQuicSession(connection, true) {} |
| |
| MockQuicSession::MockQuicSession(QuicConnection* connection, |
| bool create_mock_crypto_stream) |
| : QuicSession(connection, |
| nullptr, |
| DefaultQuicConfig(), |
| connection->supported_versions(), |
| /*num_expected_unidirectional_static_streams = */ 0) { |
| if (create_mock_crypto_stream) { |
| crypto_stream_ = std::make_unique<MockQuicCryptoStream>(this); |
| } |
| ON_CALL(*this, WritevData(_, _, _, _, _, _)) |
| .WillByDefault(testing::Return(QuicConsumedData(0, false))); |
| } |
| |
| MockQuicSession::~MockQuicSession() { |
| DeleteConnection(); |
| } |
| |
| QuicCryptoStream* MockQuicSession::GetMutableCryptoStream() { |
| return crypto_stream_.get(); |
| } |
| |
| const QuicCryptoStream* MockQuicSession::GetCryptoStream() const { |
| return crypto_stream_.get(); |
| } |
| |
| void MockQuicSession::SetCryptoStream(QuicCryptoStream* crypto_stream) { |
| crypto_stream_.reset(crypto_stream); |
| } |
| |
| QuicConsumedData MockQuicSession::ConsumeData( |
| QuicStreamId id, |
| size_t write_length, |
| QuicStreamOffset offset, |
| StreamSendingState state, |
| TransmissionType /*type*/, |
| absl::optional<EncryptionLevel> /*level*/) { |
| if (write_length > 0) { |
| auto buf = std::make_unique<char[]>(write_length); |
| QuicStream* stream = GetOrCreateStream(id); |
| QUICHE_DCHECK(stream); |
| QuicDataWriter writer(write_length, buf.get(), quiche::HOST_BYTE_ORDER); |
| stream->WriteStreamData(offset, write_length, &writer); |
| } else { |
| QUICHE_DCHECK(state != NO_FIN); |
| } |
| return QuicConsumedData(write_length, state != NO_FIN); |
| } |
| |
| MockQuicCryptoStream::MockQuicCryptoStream(QuicSession* session) |
| : QuicCryptoStream(session), params_(new QuicCryptoNegotiatedParameters) {} |
| |
| MockQuicCryptoStream::~MockQuicCryptoStream() {} |
| |
| ssl_early_data_reason_t MockQuicCryptoStream::EarlyDataReason() const { |
| return ssl_early_data_unknown; |
| } |
| |
| bool MockQuicCryptoStream::encryption_established() const { |
| return false; |
| } |
| |
| bool MockQuicCryptoStream::one_rtt_keys_available() const { |
| return false; |
| } |
| |
| const QuicCryptoNegotiatedParameters& |
| MockQuicCryptoStream::crypto_negotiated_params() const { |
| return *params_; |
| } |
| |
| CryptoMessageParser* MockQuicCryptoStream::crypto_message_parser() { |
| return &crypto_framer_; |
| } |
| |
| MockQuicSpdySession::MockQuicSpdySession(QuicConnection* connection) |
| : MockQuicSpdySession(connection, true) {} |
| |
| MockQuicSpdySession::MockQuicSpdySession(QuicConnection* connection, |
| bool create_mock_crypto_stream) |
| : QuicSpdySession(connection, |
| nullptr, |
| DefaultQuicConfig(), |
| connection->supported_versions()) { |
| if (create_mock_crypto_stream) { |
| crypto_stream_ = std::make_unique<MockQuicCryptoStream>(this); |
| } |
| |
| ON_CALL(*this, WritevData(_, _, _, _, _, _)) |
| .WillByDefault(testing::Return(QuicConsumedData(0, false))); |
| |
| ON_CALL(*this, SendWindowUpdate(_, _)) |
| .WillByDefault([this](QuicStreamId id, QuicStreamOffset byte_offset) { |
| return QuicSpdySession::SendWindowUpdate(id, byte_offset); |
| }); |
| |
| ON_CALL(*this, SendBlocked(_)).WillByDefault([this](QuicStreamId id) { |
| return QuicSpdySession::SendBlocked(id); |
| }); |
| |
| ON_CALL(*this, OnCongestionWindowChange(_)).WillByDefault(testing::Return()); |
| } |
| |
| MockQuicSpdySession::~MockQuicSpdySession() { |
| DeleteConnection(); |
| } |
| |
| QuicCryptoStream* MockQuicSpdySession::GetMutableCryptoStream() { |
| return crypto_stream_.get(); |
| } |
| |
| const QuicCryptoStream* MockQuicSpdySession::GetCryptoStream() const { |
| return crypto_stream_.get(); |
| } |
| |
| void MockQuicSpdySession::SetCryptoStream(QuicCryptoStream* crypto_stream) { |
| crypto_stream_.reset(crypto_stream); |
| } |
| |
| QuicConsumedData MockQuicSpdySession::ConsumeData( |
| QuicStreamId id, |
| size_t write_length, |
| QuicStreamOffset offset, |
| StreamSendingState state, |
| TransmissionType /*type*/, |
| absl::optional<EncryptionLevel> /*level*/) { |
| if (write_length > 0) { |
| auto buf = std::make_unique<char[]>(write_length); |
| QuicStream* stream = GetOrCreateStream(id); |
| QUICHE_DCHECK(stream); |
| QuicDataWriter writer(write_length, buf.get(), quiche::HOST_BYTE_ORDER); |
| stream->WriteStreamData(offset, write_length, &writer); |
| } else { |
| QUICHE_DCHECK(state != NO_FIN); |
| } |
| return QuicConsumedData(write_length, state != NO_FIN); |
| } |
| |
| TestQuicSpdyServerSession::TestQuicSpdyServerSession( |
| QuicConnection* connection, |
| const QuicConfig& config, |
| const ParsedQuicVersionVector& supported_versions, |
| const QuicCryptoServerConfig* crypto_config, |
| QuicCompressedCertsCache* compressed_certs_cache) |
| : QuicServerSessionBase(config, |
| supported_versions, |
| connection, |
| &visitor_, |
| &helper_, |
| crypto_config, |
| compressed_certs_cache) { |
| ON_CALL(helper_, CanAcceptClientHello(_, _, _, _, _)) |
| .WillByDefault(testing::Return(true)); |
| } |
| |
| TestQuicSpdyServerSession::~TestQuicSpdyServerSession() { |
| DeleteConnection(); |
| } |
| |
| std::unique_ptr<QuicCryptoServerStreamBase> |
| TestQuicSpdyServerSession::CreateQuicCryptoServerStream( |
| const QuicCryptoServerConfig* crypto_config, |
| QuicCompressedCertsCache* compressed_certs_cache) { |
| return CreateCryptoServerStream(crypto_config, compressed_certs_cache, this, |
| &helper_); |
| } |
| |
| QuicCryptoServerStreamBase* |
| TestQuicSpdyServerSession::GetMutableCryptoStream() { |
| return QuicServerSessionBase::GetMutableCryptoStream(); |
| } |
| |
| const QuicCryptoServerStreamBase* TestQuicSpdyServerSession::GetCryptoStream() |
| const { |
| return QuicServerSessionBase::GetCryptoStream(); |
| } |
| |
| TestQuicSpdyClientSession::TestQuicSpdyClientSession( |
| QuicConnection* connection, |
| const QuicConfig& config, |
| const ParsedQuicVersionVector& supported_versions, |
| const QuicServerId& server_id, |
| QuicCryptoClientConfig* crypto_config) |
| : QuicSpdyClientSessionBase(connection, |
| &push_promise_index_, |
| config, |
| supported_versions) { |
| // TODO(b/153726130): Consider adding SetServerApplicationStateForResumption |
| // calls in tests and set |has_application_state| to true. |
| crypto_stream_ = std::make_unique<QuicCryptoClientStream>( |
| server_id, this, crypto_test_utils::ProofVerifyContextForTesting(), |
| crypto_config, this, /*has_application_state = */ false); |
| Initialize(); |
| ON_CALL(*this, OnConfigNegotiated()) |
| .WillByDefault( |
| Invoke(this, &TestQuicSpdyClientSession::RealOnConfigNegotiated)); |
| } |
| |
| TestQuicSpdyClientSession::~TestQuicSpdyClientSession() {} |
| |
| bool TestQuicSpdyClientSession::IsAuthorized(const std::string& /*authority*/) { |
| return true; |
| } |
| |
| QuicCryptoClientStream* TestQuicSpdyClientSession::GetMutableCryptoStream() { |
| return crypto_stream_.get(); |
| } |
| |
| const QuicCryptoClientStream* TestQuicSpdyClientSession::GetCryptoStream() |
| const { |
| return crypto_stream_.get(); |
| } |
| |
| void TestQuicSpdyClientSession::RealOnConfigNegotiated() { |
| QuicSpdyClientSessionBase::OnConfigNegotiated(); |
| } |
| |
| TestPushPromiseDelegate::TestPushPromiseDelegate(bool match) |
| : match_(match), rendezvous_fired_(false), rendezvous_stream_(nullptr) {} |
| |
| bool TestPushPromiseDelegate::CheckVary( |
| const spdy::SpdyHeaderBlock& /*client_request*/, |
| const spdy::SpdyHeaderBlock& /*promise_request*/, |
| const spdy::SpdyHeaderBlock& /*promise_response*/) { |
| QUIC_DVLOG(1) << "match " << match_; |
| return match_; |
| } |
| |
| void TestPushPromiseDelegate::OnRendezvousResult(QuicSpdyStream* stream) { |
| rendezvous_fired_ = true; |
| rendezvous_stream_ = stream; |
| } |
| |
| MockPacketWriter::MockPacketWriter() { |
| ON_CALL(*this, GetMaxPacketSize(_)) |
| .WillByDefault(testing::Return(kMaxOutgoingPacketSize)); |
| ON_CALL(*this, IsBatchMode()).WillByDefault(testing::Return(false)); |
| ON_CALL(*this, GetNextWriteLocation(_, _)) |
| .WillByDefault(testing::Return(QuicPacketBuffer())); |
| ON_CALL(*this, Flush()) |
| .WillByDefault(testing::Return(WriteResult(WRITE_STATUS_OK, 0))); |
| ON_CALL(*this, SupportsReleaseTime()).WillByDefault(testing::Return(false)); |
| } |
| |
| MockPacketWriter::~MockPacketWriter() {} |
| |
| MockSendAlgorithm::MockSendAlgorithm() { |
| ON_CALL(*this, PacingRate(_)) |
| .WillByDefault(testing::Return(QuicBandwidth::Zero())); |
| ON_CALL(*this, BandwidthEstimate()) |
| .WillByDefault(testing::Return(QuicBandwidth::Zero())); |
| } |
| |
| MockSendAlgorithm::~MockSendAlgorithm() {} |
| |
| MockLossAlgorithm::MockLossAlgorithm() {} |
| |
| MockLossAlgorithm::~MockLossAlgorithm() {} |
| |
| MockAckListener::MockAckListener() {} |
| |
| MockAckListener::~MockAckListener() {} |
| |
| MockNetworkChangeVisitor::MockNetworkChangeVisitor() {} |
| |
| MockNetworkChangeVisitor::~MockNetworkChangeVisitor() {} |
| |
| QuicIpAddress TestPeerIPAddress() { |
| return QuicIpAddress::Loopback4(); |
| } |
| |
| ParsedQuicVersion QuicVersionMax() { |
| return AllSupportedVersions().front(); |
| } |
| |
| ParsedQuicVersion QuicVersionMin() { |
| return AllSupportedVersions().back(); |
| } |
| |
| void DisableQuicVersionsWithTls() { |
| for (const ParsedQuicVersion& version : AllSupportedVersionsWithTls()) { |
| QuicDisableVersion(version); |
| } |
| } |
| |
| QuicEncryptedPacket* ConstructEncryptedPacket( |
| QuicConnectionId destination_connection_id, |
| QuicConnectionId source_connection_id, |
| bool version_flag, |
| bool reset_flag, |
| uint64_t packet_number, |
| const std::string& data) { |
| return ConstructEncryptedPacket( |
| destination_connection_id, source_connection_id, version_flag, reset_flag, |
| packet_number, data, CONNECTION_ID_PRESENT, CONNECTION_ID_ABSENT, |
| PACKET_4BYTE_PACKET_NUMBER); |
| } |
| |
| QuicEncryptedPacket* ConstructEncryptedPacket( |
| QuicConnectionId destination_connection_id, |
| QuicConnectionId source_connection_id, |
| bool version_flag, |
| bool reset_flag, |
| uint64_t packet_number, |
| const std::string& data, |
| QuicConnectionIdIncluded destination_connection_id_included, |
| QuicConnectionIdIncluded source_connection_id_included, |
| QuicPacketNumberLength packet_number_length) { |
| return ConstructEncryptedPacket( |
| destination_connection_id, source_connection_id, version_flag, reset_flag, |
| packet_number, data, destination_connection_id_included, |
| source_connection_id_included, packet_number_length, nullptr); |
| } |
| |
| QuicEncryptedPacket* ConstructEncryptedPacket( |
| QuicConnectionId destination_connection_id, |
| QuicConnectionId source_connection_id, |
| bool version_flag, |
| bool reset_flag, |
| uint64_t packet_number, |
| const std::string& data, |
| QuicConnectionIdIncluded destination_connection_id_included, |
| QuicConnectionIdIncluded source_connection_id_included, |
| QuicPacketNumberLength packet_number_length, |
| ParsedQuicVersionVector* versions) { |
| return ConstructEncryptedPacket( |
| destination_connection_id, source_connection_id, version_flag, reset_flag, |
| packet_number, data, false, destination_connection_id_included, |
| source_connection_id_included, packet_number_length, versions, |
| Perspective::IS_CLIENT); |
| } |
| |
| QuicEncryptedPacket* ConstructEncryptedPacket( |
| QuicConnectionId destination_connection_id, |
| QuicConnectionId source_connection_id, |
| bool version_flag, |
| bool reset_flag, |
| uint64_t packet_number, |
| const std::string& data, |
| bool full_padding, |
| QuicConnectionIdIncluded destination_connection_id_included, |
| QuicConnectionIdIncluded source_connection_id_included, |
| QuicPacketNumberLength packet_number_length, |
| ParsedQuicVersionVector* versions) { |
| return ConstructEncryptedPacket( |
| destination_connection_id, source_connection_id, version_flag, reset_flag, |
| packet_number, data, full_padding, destination_connection_id_included, |
| source_connection_id_included, packet_number_length, versions, |
| Perspective::IS_CLIENT); |
| } |
| |
| QuicEncryptedPacket* ConstructEncryptedPacket( |
| QuicConnectionId destination_connection_id, |
| QuicConnectionId source_connection_id, |
| bool version_flag, |
| bool reset_flag, |
| uint64_t packet_number, |
| const std::string& data, |
| bool full_padding, |
| QuicConnectionIdIncluded destination_connection_id_included, |
| QuicConnectionIdIncluded source_connection_id_included, |
| QuicPacketNumberLength packet_number_length, |
| ParsedQuicVersionVector* versions, |
| Perspective perspective) { |
| QuicPacketHeader header; |
| header.destination_connection_id = destination_connection_id; |
| header.destination_connection_id_included = |
| destination_connection_id_included; |
| header.source_connection_id = source_connection_id; |
| header.source_connection_id_included = source_connection_id_included; |
| header.version_flag = version_flag; |
| header.reset_flag = reset_flag; |
| header.packet_number_length = packet_number_length; |
| header.packet_number = QuicPacketNumber(packet_number); |
| ParsedQuicVersionVector supported_versions = CurrentSupportedVersions(); |
| if (!versions) { |
| versions = &supported_versions; |
| } |
| EXPECT_FALSE(versions->empty()); |
| ParsedQuicVersion version = (*versions)[0]; |
| if (QuicVersionHasLongHeaderLengths(version.transport_version) && |
| version_flag) { |
| header.retry_token_length_length = VARIABLE_LENGTH_INTEGER_LENGTH_1; |
| header.length_length = VARIABLE_LENGTH_INTEGER_LENGTH_2; |
| } |
| |
| QuicFrames frames; |
| QuicFramer framer(*versions, QuicTime::Zero(), perspective, |
| kQuicDefaultConnectionIdLength); |
| framer.SetInitialObfuscators(destination_connection_id); |
| EncryptionLevel level = |
| header.version_flag ? ENCRYPTION_INITIAL : ENCRYPTION_FORWARD_SECURE; |
| if (level != ENCRYPTION_INITIAL) { |
| framer.SetEncrypter(level, std::make_unique<NullEncrypter>(perspective)); |
| } |
| if (!QuicVersionUsesCryptoFrames(version.transport_version)) { |
| QuicFrame frame( |
| QuicStreamFrame(QuicUtils::GetCryptoStreamId(version.transport_version), |
| false, 0, absl::string_view(data))); |
| frames.push_back(frame); |
| } else { |
| QuicFrame frame(new QuicCryptoFrame(level, 0, data)); |
| frames.push_back(frame); |
| } |
| if (full_padding) { |
| frames.push_back(QuicFrame(QuicPaddingFrame(-1))); |
| } else { |
| // We need a minimum number of bytes of encrypted payload. This will |
| // guarantee that we have at least that much. (It ignores the overhead of |
| // the stream/crypto framing, so it overpads slightly.) |
| size_t min_plaintext_size = |
| QuicPacketCreator::MinPlaintextPacketSize(version); |
| if (data.length() < min_plaintext_size) { |
| size_t padding_length = min_plaintext_size - data.length(); |
| frames.push_back(QuicFrame(QuicPaddingFrame(padding_length))); |
| } |
| } |
| |
| std::unique_ptr<QuicPacket> packet( |
| BuildUnsizedDataPacket(&framer, header, frames)); |
| EXPECT_TRUE(packet != nullptr); |
| char* buffer = new char[kMaxOutgoingPacketSize]; |
| size_t encrypted_length = |
| framer.EncryptPayload(level, QuicPacketNumber(packet_number), *packet, |
| buffer, kMaxOutgoingPacketSize); |
| EXPECT_NE(0u, encrypted_length); |
| DeleteFrames(&frames); |
| return new QuicEncryptedPacket(buffer, encrypted_length, true); |
| } |
| |
| std::unique_ptr<QuicEncryptedPacket> GetUndecryptableEarlyPacket( |
| const ParsedQuicVersion& version, |
| const QuicConnectionId& server_connection_id) { |
| QuicPacketHeader header; |
| header.destination_connection_id = server_connection_id; |
| header.destination_connection_id_included = CONNECTION_ID_PRESENT; |
| header.source_connection_id = EmptyQuicConnectionId(); |
| header.source_connection_id_included = CONNECTION_ID_PRESENT; |
| if (!version.SupportsClientConnectionIds()) { |
| header.source_connection_id_included = CONNECTION_ID_ABSENT; |
| } |
| header.version_flag = true; |
| header.reset_flag = false; |
| header.packet_number_length = PACKET_4BYTE_PACKET_NUMBER; |
| header.packet_number = QuicPacketNumber(33); |
| header.long_packet_type = ZERO_RTT_PROTECTED; |
| if (version.HasLongHeaderLengths()) { |
| header.retry_token_length_length = VARIABLE_LENGTH_INTEGER_LENGTH_1; |
| header.length_length = VARIABLE_LENGTH_INTEGER_LENGTH_2; |
| } |
| |
| QuicFrames frames; |
| frames.push_back(QuicFrame(QuicPingFrame())); |
| frames.push_back(QuicFrame(QuicPaddingFrame(100))); |
| QuicFramer framer({version}, QuicTime::Zero(), Perspective::IS_CLIENT, |
| kQuicDefaultConnectionIdLength); |
| framer.SetInitialObfuscators(server_connection_id); |
| |
| framer.SetEncrypter(ENCRYPTION_ZERO_RTT, |
| std::make_unique<NullEncrypter>(Perspective::IS_CLIENT)); |
| std::unique_ptr<QuicPacket> packet( |
| BuildUnsizedDataPacket(&framer, header, frames)); |
| EXPECT_TRUE(packet != nullptr); |
| char* buffer = new char[kMaxOutgoingPacketSize]; |
| size_t encrypted_length = |
| framer.EncryptPayload(ENCRYPTION_ZERO_RTT, header.packet_number, *packet, |
| buffer, kMaxOutgoingPacketSize); |
| EXPECT_NE(0u, encrypted_length); |
| DeleteFrames(&frames); |
| return std::make_unique<QuicEncryptedPacket>(buffer, encrypted_length, |
| /*owns_buffer=*/true); |
| } |
| |
| QuicReceivedPacket* ConstructReceivedPacket( |
| const QuicEncryptedPacket& encrypted_packet, |
| QuicTime receipt_time) { |
| char* buffer = new char[encrypted_packet.length()]; |
| memcpy(buffer, encrypted_packet.data(), encrypted_packet.length()); |
| return new QuicReceivedPacket(buffer, encrypted_packet.length(), receipt_time, |
| true); |
| } |
| |
| QuicEncryptedPacket* ConstructMisFramedEncryptedPacket( |
| QuicConnectionId destination_connection_id, |
| QuicConnectionId source_connection_id, |
| bool version_flag, |
| bool reset_flag, |
| uint64_t packet_number, |
| const std::string& data, |
| QuicConnectionIdIncluded destination_connection_id_included, |
| QuicConnectionIdIncluded source_connection_id_included, |
| QuicPacketNumberLength packet_number_length, |
| ParsedQuicVersion version, |
| Perspective perspective) { |
| QuicPacketHeader header; |
| header.destination_connection_id = destination_connection_id; |
| header.destination_connection_id_included = |
| destination_connection_id_included; |
| header.source_connection_id = source_connection_id; |
| header.source_connection_id_included = source_connection_id_included; |
| header.version_flag = version_flag; |
| header.reset_flag = reset_flag; |
| header.packet_number_length = packet_number_length; |
| header.packet_number = QuicPacketNumber(packet_number); |
| if (QuicVersionHasLongHeaderLengths(version.transport_version) && |
| version_flag) { |
| header.retry_token_length_length = VARIABLE_LENGTH_INTEGER_LENGTH_1; |
| header.length_length = VARIABLE_LENGTH_INTEGER_LENGTH_2; |
| } |
| QuicFrame frame(QuicStreamFrame(1, false, 0, absl::string_view(data))); |
| QuicFrames frames; |
| frames.push_back(frame); |
| QuicFramer framer({version}, QuicTime::Zero(), perspective, |
| kQuicDefaultConnectionIdLength); |
| framer.SetInitialObfuscators(destination_connection_id); |
| EncryptionLevel level = |
| version_flag ? ENCRYPTION_INITIAL : ENCRYPTION_FORWARD_SECURE; |
| if (level != ENCRYPTION_INITIAL) { |
| framer.SetEncrypter(level, std::make_unique<NullEncrypter>(perspective)); |
| } |
| // We need a minimum of 7 bytes of encrypted payload. This will guarantee that |
| // we have at least that much. (It ignores the overhead of the stream/crypto |
| // framing, so it overpads slightly.) |
| if (data.length() < 7) { |
| size_t padding_length = 7 - data.length(); |
| frames.push_back(QuicFrame(QuicPaddingFrame(padding_length))); |
| } |
| |
| std::unique_ptr<QuicPacket> packet( |
| BuildUnsizedDataPacket(&framer, header, frames)); |
| EXPECT_TRUE(packet != nullptr); |
| |
| // Now set the frame type to 0x1F, which is an invalid frame type. |
| reinterpret_cast<unsigned char*>( |
| packet->mutable_data())[GetStartOfEncryptedData( |
| framer.transport_version(), |
| GetIncludedDestinationConnectionIdLength(header), |
| GetIncludedSourceConnectionIdLength(header), version_flag, |
| false /* no diversification nonce */, packet_number_length, |
| header.retry_token_length_length, 0, header.length_length)] = 0x1F; |
| |
| char* buffer = new char[kMaxOutgoingPacketSize]; |
| size_t encrypted_length = |
| framer.EncryptPayload(level, QuicPacketNumber(packet_number), *packet, |
| buffer, kMaxOutgoingPacketSize); |
| EXPECT_NE(0u, encrypted_length); |
| return new QuicEncryptedPacket(buffer, encrypted_length, true); |
| } |
| |
| QuicConfig DefaultQuicConfig() { |
| QuicConfig config; |
| config.SetInitialMaxStreamDataBytesIncomingBidirectionalToSend( |
| kInitialStreamFlowControlWindowForTest); |
| config.SetInitialMaxStreamDataBytesOutgoingBidirectionalToSend( |
| kInitialStreamFlowControlWindowForTest); |
| config.SetInitialMaxStreamDataBytesUnidirectionalToSend( |
| kInitialStreamFlowControlWindowForTest); |
| config.SetInitialStreamFlowControlWindowToSend( |
| kInitialStreamFlowControlWindowForTest); |
| config.SetInitialSessionFlowControlWindowToSend( |
| kInitialSessionFlowControlWindowForTest); |
| QuicConfigPeer::SetReceivedMaxBidirectionalStreams( |
| &config, kDefaultMaxStreamsPerConnection); |
| // Default enable NSTP. |
| // This is unnecessary for versions > 44 |
| if (!config.HasClientSentConnectionOption(quic::kNSTP, |
| quic::Perspective::IS_CLIENT)) { |
| quic::QuicTagVector connection_options; |
| connection_options.push_back(quic::kNSTP); |
| config.SetConnectionOptionsToSend(connection_options); |
| } |
| return config; |
| } |
| |
| ParsedQuicVersionVector SupportedVersions(ParsedQuicVersion version) { |
| ParsedQuicVersionVector versions; |
| versions.push_back(version); |
| return versions; |
| } |
| |
| MockQuicConnectionDebugVisitor::MockQuicConnectionDebugVisitor() {} |
| |
| MockQuicConnectionDebugVisitor::~MockQuicConnectionDebugVisitor() {} |
| |
| MockReceivedPacketManager::MockReceivedPacketManager(QuicConnectionStats* stats) |
| : QuicReceivedPacketManager(stats) {} |
| |
| MockReceivedPacketManager::~MockReceivedPacketManager() {} |
| |
| MockPacketCreatorDelegate::MockPacketCreatorDelegate() {} |
| MockPacketCreatorDelegate::~MockPacketCreatorDelegate() {} |
| |
| MockSessionNotifier::MockSessionNotifier() {} |
| MockSessionNotifier::~MockSessionNotifier() {} |
| |
| // static |
| QuicCryptoClientStream::HandshakerInterface* |
| QuicCryptoClientStreamPeer::GetHandshaker(QuicCryptoClientStream* stream) { |
| return stream->handshaker_.get(); |
| } |
| |
| void CreateClientSessionForTest( |
| QuicServerId server_id, |
| QuicTime::Delta connection_start_time, |
| const ParsedQuicVersionVector& supported_versions, |
| MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| QuicCryptoClientConfig* crypto_client_config, |
| PacketSavingConnection** client_connection, |
| TestQuicSpdyClientSession** client_session) { |
| QUICHE_CHECK(crypto_client_config); |
| QUICHE_CHECK(client_connection); |
| QUICHE_CHECK(client_session); |
| QUICHE_CHECK(!connection_start_time.IsZero()) |
| << "Connections must start at non-zero times, otherwise the " |
| << "strike-register will be unhappy."; |
| |
| QuicConfig config = DefaultQuicConfig(); |
| *client_connection = new PacketSavingConnection( |
| helper, alarm_factory, Perspective::IS_CLIENT, supported_versions); |
| *client_session = new TestQuicSpdyClientSession(*client_connection, config, |
| supported_versions, server_id, |
| crypto_client_config); |
| (*client_connection)->AdvanceTime(connection_start_time); |
| } |
| |
| void CreateServerSessionForTest( |
| QuicServerId /*server_id*/, |
| QuicTime::Delta connection_start_time, |
| ParsedQuicVersionVector supported_versions, |
| MockQuicConnectionHelper* helper, |
| MockAlarmFactory* alarm_factory, |
| QuicCryptoServerConfig* server_crypto_config, |
| QuicCompressedCertsCache* compressed_certs_cache, |
| PacketSavingConnection** server_connection, |
| TestQuicSpdyServerSession** server_session) { |
| QUICHE_CHECK(server_crypto_config); |
| QUICHE_CHECK(server_connection); |
| QUICHE_CHECK(server_session); |
| QUICHE_CHECK(!connection_start_time.IsZero()) |
| << "Connections must start at non-zero times, otherwise the " |
| << "strike-register will be unhappy."; |
| |
| *server_connection = |
| new PacketSavingConnection(helper, alarm_factory, Perspective::IS_SERVER, |
| ParsedVersionOfIndex(supported_versions, 0)); |
| *server_session = new TestQuicSpdyServerSession( |
| *server_connection, DefaultQuicConfig(), supported_versions, |
| server_crypto_config, compressed_certs_cache); |
| (*server_session)->Initialize(); |
| |
| // We advance the clock initially because the default time is zero and the |
| // strike register worries that we've just overflowed a uint32_t time. |
| (*server_connection)->AdvanceTime(connection_start_time); |
| } |
| |
| QuicStreamId GetNthClientInitiatedBidirectionalStreamId( |
| QuicTransportVersion version, |
| int n) { |
| int num = n; |
| if (!VersionUsesHttp3(version)) { |
| num++; |
| } |
| return QuicUtils::GetFirstBidirectionalStreamId(version, |
| Perspective::IS_CLIENT) + |
| QuicUtils::StreamIdDelta(version) * num; |
| } |
| |
| QuicStreamId GetNthServerInitiatedBidirectionalStreamId( |
| QuicTransportVersion version, |
| int n) { |
| return QuicUtils::GetFirstBidirectionalStreamId(version, |
| Perspective::IS_SERVER) + |
| QuicUtils::StreamIdDelta(version) * n; |
| } |
| |
| QuicStreamId GetNthServerInitiatedUnidirectionalStreamId( |
| QuicTransportVersion version, |
| int n) { |
| return QuicUtils::GetFirstUnidirectionalStreamId(version, |
| Perspective::IS_SERVER) + |
| QuicUtils::StreamIdDelta(version) * n; |
| } |
| |
| QuicStreamId GetNthClientInitiatedUnidirectionalStreamId( |
| QuicTransportVersion version, |
| int n) { |
| return QuicUtils::GetFirstUnidirectionalStreamId(version, |
| Perspective::IS_CLIENT) + |
| QuicUtils::StreamIdDelta(version) * n; |
| } |
| |
| StreamType DetermineStreamType(QuicStreamId id, |
| ParsedQuicVersion version, |
| Perspective perspective, |
| bool is_incoming, |
| StreamType default_type) { |
| return version.HasIetfQuicFrames() |
| ? QuicUtils::GetStreamType(id, perspective, is_incoming, version) |
| : default_type; |
| } |
| |
| QuicMemSliceSpan MakeSpan(QuicBufferAllocator* allocator, |
| absl::string_view message_data, |
| QuicMemSliceStorage* storage) { |
| if (message_data.length() == 0) { |
| *storage = |
| QuicMemSliceStorage(nullptr, 0, allocator, kMaxOutgoingPacketSize); |
| return storage->ToSpan(); |
| } |
| struct iovec iov = {const_cast<char*>(message_data.data()), |
| message_data.length()}; |
| *storage = QuicMemSliceStorage(&iov, 1, allocator, kMaxOutgoingPacketSize); |
| return storage->ToSpan(); |
| } |
| |
| QuicMemSlice MemSliceFromString(absl::string_view data) { |
| static SimpleBufferAllocator* allocator = new SimpleBufferAllocator(); |
| QuicUniqueBufferPtr buffer = MakeUniqueBuffer(allocator, data.size()); |
| memcpy(buffer.get(), data.data(), data.size()); |
| return QuicMemSlice(std::move(buffer), data.size()); |
| } |
| |
| bool TaggingEncrypter::EncryptPacket(uint64_t /*packet_number*/, |
| absl::string_view /*associated_data*/, |
| absl::string_view plaintext, |
| char* output, |
| size_t* output_length, |
| size_t max_output_length) { |
| const size_t len = plaintext.size() + kTagSize; |
| if (max_output_length < len) { |
| return false; |
| } |
| // Memmove is safe for inplace encryption. |
| memmove(output, plaintext.data(), plaintext.size()); |
| output += plaintext.size(); |
| memset(output, tag_, kTagSize); |
| *output_length = len; |
| return true; |
| } |
| |
| bool TaggingDecrypter::DecryptPacket(uint64_t /*packet_number*/, |
| absl::string_view /*associated_data*/, |
| absl::string_view ciphertext, |
| char* output, |
| size_t* output_length, |
| size_t /*max_output_length*/) { |
| if (ciphertext.size() < kTagSize) { |
| return false; |
| } |
| if (!CheckTag(ciphertext, GetTag(ciphertext))) { |
| return false; |
| } |
| *output_length = ciphertext.size() - kTagSize; |
| memcpy(output, ciphertext.data(), *output_length); |
| return true; |
| } |
| |
| bool TaggingDecrypter::CheckTag(absl::string_view ciphertext, uint8_t tag) { |
| for (size_t i = ciphertext.size() - kTagSize; i < ciphertext.size(); i++) { |
| if (ciphertext.data()[i] != tag) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| TestPacketWriter::TestPacketWriter(ParsedQuicVersion version, |
| MockClock* clock, |
| Perspective perspective) |
| : version_(version), |
| framer_(SupportedVersions(version_), |
| QuicUtils::InvertPerspective(perspective)), |
| clock_(clock) { |
| QuicFramerPeer::SetLastSerializedServerConnectionId(framer_.framer(), |
| TestConnectionId()); |
| framer_.framer()->SetInitialObfuscators(TestConnectionId()); |
| |
| for (int i = 0; i < 128; ++i) { |
| PacketBuffer* p = new PacketBuffer(); |
| packet_buffer_pool_.push_back(p); |
| packet_buffer_pool_index_[p->buffer] = p; |
| packet_buffer_free_list_.push_back(p); |
| } |
| } |
| |
| TestPacketWriter::~TestPacketWriter() { |
| EXPECT_EQ(packet_buffer_pool_.size(), packet_buffer_free_list_.size()) |
| << packet_buffer_pool_.size() - packet_buffer_free_list_.size() |
| << " out of " << packet_buffer_pool_.size() |
| << " packet buffers have been leaked."; |
| for (auto p : packet_buffer_pool_) { |
| delete p; |
| } |
| } |
| |
| WriteResult TestPacketWriter::WritePacket(const char* buffer, |
| size_t buf_len, |
| const QuicIpAddress& self_address, |
| const QuicSocketAddress& peer_address, |
| PerPacketOptions* /*options*/) { |
| last_write_source_address_ = self_address; |
| last_write_peer_address_ = peer_address; |
| // If the buffer is allocated from the pool, return it back to the pool. |
| // Note the buffer content doesn't change. |
| if (packet_buffer_pool_index_.find(const_cast<char*>(buffer)) != |
| packet_buffer_pool_index_.end()) { |
| FreePacketBuffer(buffer); |
| } |
| |
| QuicEncryptedPacket packet(buffer, buf_len); |
| ++packets_write_attempts_; |
| |
| if (packet.length() >= sizeof(final_bytes_of_last_packet_)) { |
| final_bytes_of_previous_packet_ = final_bytes_of_last_packet_; |
| memcpy(&final_bytes_of_last_packet_, packet.data() + packet.length() - 4, |
| sizeof(final_bytes_of_last_packet_)); |
| } |
| |
| if (use_tagging_decrypter_) { |
| if (framer_.framer()->version().KnowsWhichDecrypterToUse()) { |
| framer_.framer()->InstallDecrypter(ENCRYPTION_INITIAL, |
| std::make_unique<TaggingDecrypter>()); |
| framer_.framer()->InstallDecrypter(ENCRYPTION_HANDSHAKE, |
| std::make_unique<TaggingDecrypter>()); |
| framer_.framer()->InstallDecrypter(ENCRYPTION_ZERO_RTT, |
| std::make_unique<TaggingDecrypter>()); |
| framer_.framer()->InstallDecrypter(ENCRYPTION_FORWARD_SECURE, |
| std::make_unique<TaggingDecrypter>()); |
| } else { |
| framer_.framer()->SetDecrypter(ENCRYPTION_INITIAL, |
| std::make_unique<TaggingDecrypter>()); |
| } |
| } else if (framer_.framer()->version().KnowsWhichDecrypterToUse()) { |
| framer_.framer()->InstallDecrypter( |
| ENCRYPTION_HANDSHAKE, |
| std::make_unique<NullDecrypter>(framer_.framer()->perspective())); |
| framer_.framer()->InstallDecrypter( |
| ENCRYPTION_ZERO_RTT, |
| std::make_unique<NullDecrypter>(framer_.framer()->perspective())); |
| framer_.framer()->InstallDecrypter( |
| ENCRYPTION_FORWARD_SECURE, |
| std::make_unique<NullDecrypter>(framer_.framer()->perspective())); |
| } |
| EXPECT_TRUE(framer_.ProcessPacket(packet)) |
| << framer_.framer()->detailed_error() << " perspective " |
| << framer_.framer()->perspective(); |
| if (block_on_next_write_) { |
| write_blocked_ = true; |
| block_on_next_write_ = false; |
| } |
| if (next_packet_too_large_) { |
| next_packet_too_large_ = false; |
| return WriteResult(WRITE_STATUS_ERROR, QUIC_EMSGSIZE); |
| } |
| if (always_get_packet_too_large_) { |
| return WriteResult(WRITE_STATUS_ERROR, QUIC_EMSGSIZE); |
| } |
| if (IsWriteBlocked()) { |
| return WriteResult(is_write_blocked_data_buffered_ |
| ? WRITE_STATUS_BLOCKED_DATA_BUFFERED |
| : WRITE_STATUS_BLOCKED, |
| 0); |
| } |
| |
| if (ShouldWriteFail()) { |
| return WriteResult(WRITE_STATUS_ERROR, write_error_code_); |
| } |
| |
| last_packet_size_ = packet.length(); |
| last_packet_header_ = framer_.header(); |
| if (!framer_.connection_close_frames().empty()) { |
| ++connection_close_packets_; |
| } |
| if (!write_pause_time_delta_.IsZero()) { |
| clock_->AdvanceTime(write_pause_time_delta_); |
| } |
| if (is_batch_mode_) { |
| bytes_buffered_ += last_packet_size_; |
| return WriteResult(WRITE_STATUS_OK, 0); |
| } |
| return WriteResult(WRITE_STATUS_OK, last_packet_size_); |
| } |
| |
| QuicPacketBuffer TestPacketWriter::GetNextWriteLocation( |
| const QuicIpAddress& /*self_address*/, |
| const QuicSocketAddress& /*peer_address*/) { |
| return {AllocPacketBuffer(), [this](const char* p) { FreePacketBuffer(p); }}; |
| } |
| |
| WriteResult TestPacketWriter::Flush() { |
| flush_attempts_++; |
| if (block_on_next_flush_) { |
| block_on_next_flush_ = false; |
| SetWriteBlocked(); |
| return WriteResult(WRITE_STATUS_BLOCKED, /*errno*/ -1); |
| } |
| if (write_should_fail_) { |
| return WriteResult(WRITE_STATUS_ERROR, /*errno*/ -1); |
| } |
| int bytes_flushed = bytes_buffered_; |
| bytes_buffered_ = 0; |
| return WriteResult(WRITE_STATUS_OK, bytes_flushed); |
| } |
| |
| char* TestPacketWriter::AllocPacketBuffer() { |
| PacketBuffer* p = packet_buffer_free_list_.front(); |
| EXPECT_FALSE(p->in_use); |
| p->in_use = true; |
| packet_buffer_free_list_.pop_front(); |
| return p->buffer; |
| } |
| |
| void TestPacketWriter::FreePacketBuffer(const char* buffer) { |
| auto iter = packet_buffer_pool_index_.find(const_cast<char*>(buffer)); |
| ASSERT_TRUE(iter != packet_buffer_pool_index_.end()); |
| PacketBuffer* p = iter->second; |
| ASSERT_TRUE(p->in_use); |
| p->in_use = false; |
| packet_buffer_free_list_.push_back(p); |
| } |
| |
| bool WriteServerVersionNegotiationProbeResponse( |
| char* packet_bytes, |
| size_t* packet_length_out, |
| const char* source_connection_id_bytes, |
| uint8_t source_connection_id_length) { |
| if (packet_bytes == nullptr) { |
| QUIC_BUG << "Invalid packet_bytes"; |
| return false; |
| } |
| if (packet_length_out == nullptr) { |
| QUIC_BUG << "Invalid packet_length_out"; |
| return false; |
| } |
| QuicConnectionId source_connection_id(source_connection_id_bytes, |
| source_connection_id_length); |
| std::unique_ptr<QuicEncryptedPacket> encrypted_packet = |
| QuicFramer::BuildVersionNegotiationPacket( |
| source_connection_id, EmptyQuicConnectionId(), |
| /*ietf_quic=*/true, /*use_length_prefix=*/true, |
| ParsedQuicVersionVector{}); |
| if (!encrypted_packet) { |
| QUIC_BUG << "Failed to create version negotiation packet"; |
| return false; |
| } |
| if (*packet_length_out < encrypted_packet->length()) { |
| QUIC_BUG << "Invalid *packet_length_out " << *packet_length_out << " < " |
| << encrypted_packet->length(); |
| return false; |
| } |
| *packet_length_out = encrypted_packet->length(); |
| memcpy(packet_bytes, encrypted_packet->data(), *packet_length_out); |
| return true; |
| } |
| |
| bool ParseClientVersionNegotiationProbePacket( |
| const char* packet_bytes, |
| size_t packet_length, |
| char* destination_connection_id_bytes, |
| uint8_t* destination_connection_id_length_out) { |
| if (packet_bytes == nullptr) { |
| QUIC_BUG << "Invalid packet_bytes"; |
| return false; |
| } |
| if (packet_length < kMinPacketSizeForVersionNegotiation || |
| packet_length > 65535) { |
| QUIC_BUG << "Invalid packet_length"; |
| return false; |
| } |
| if (destination_connection_id_bytes == nullptr) { |
| QUIC_BUG << "Invalid destination_connection_id_bytes"; |
| return false; |
| } |
| if (destination_connection_id_length_out == nullptr) { |
| QUIC_BUG << "Invalid destination_connection_id_length_out"; |
| return false; |
| } |
| |
| QuicEncryptedPacket encrypted_packet(packet_bytes, packet_length); |
| PacketHeaderFormat format; |
| QuicLongHeaderType long_packet_type; |
| bool version_present, has_length_prefix, retry_token_present; |
| QuicVersionLabel version_label; |
| ParsedQuicVersion parsed_version = ParsedQuicVersion::Unsupported(); |
| QuicConnectionId destination_connection_id, source_connection_id; |
| absl::string_view retry_token; |
| std::string detailed_error; |
| QuicErrorCode error = QuicFramer::ParsePublicHeaderDispatcher( |
| encrypted_packet, |
| /*expected_destination_connection_id_length=*/0, &format, |
| &long_packet_type, &version_present, &has_length_prefix, &version_label, |
| &parsed_version, &destination_connection_id, &source_connection_id, |
| &retry_token_present, &retry_token, &detailed_error); |
| if (error != QUIC_NO_ERROR) { |
| QUIC_BUG << "Failed to parse packet: " << detailed_error; |
| return false; |
| } |
| if (!version_present) { |
| QUIC_BUG << "Packet is not a long header"; |
| return false; |
| } |
| if (*destination_connection_id_length_out < |
| destination_connection_id.length()) { |
| QUIC_BUG << "destination_connection_id_length_out too small"; |
| return false; |
| } |
| *destination_connection_id_length_out = destination_connection_id.length(); |
| memcpy(destination_connection_id_bytes, destination_connection_id.data(), |
| *destination_connection_id_length_out); |
| return true; |
| } |
| |
| } // namespace test |
| } // namespace quic |
