blob: 495127c8717d01efd5067276e118a6646d3f70f0 [file] [log] [blame]
// Copyright (c) 2013 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 "quiche/quic/core/quic_config.h"
#include <memory>
#include <string>
#include "quiche/quic/core/crypto/crypto_handshake_message.h"
#include "quiche/quic/core/crypto/crypto_protocol.h"
#include "quiche/quic/core/crypto/transport_parameters.h"
#include "quiche/quic/core/quic_constants.h"
#include "quiche/quic/core/quic_packets.h"
#include "quiche/quic/core/quic_time.h"
#include "quiche/quic/core/quic_utils.h"
#include "quiche/quic/platform/api/quic_expect_bug.h"
#include "quiche/quic/platform/api/quic_flags.h"
#include "quiche/quic/platform/api/quic_test.h"
#include "quiche/quic/test_tools/quic_config_peer.h"
#include "quiche/quic/test_tools/quic_test_utils.h"
namespace quic {
namespace test {
namespace {
class QuicConfigTest : public QuicTestWithParam<ParsedQuicVersion> {
public:
QuicConfigTest() : version_(GetParam()) {}
protected:
ParsedQuicVersion version_;
QuicConfig config_;
};
// Run all tests with all versions of QUIC.
INSTANTIATE_TEST_SUITE_P(QuicConfigTests, QuicConfigTest,
::testing::ValuesIn(AllSupportedVersions()),
::testing::PrintToStringParamName());
TEST_P(QuicConfigTest, SetDefaults) {
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialStreamFlowControlWindowToSend());
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialMaxStreamDataBytesIncomingBidirectionalToSend());
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialMaxStreamDataBytesOutgoingBidirectionalToSend());
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialMaxStreamDataBytesUnidirectionalToSend());
EXPECT_FALSE(config_.HasReceivedInitialStreamFlowControlWindowBytes());
EXPECT_FALSE(
config_.HasReceivedInitialMaxStreamDataBytesIncomingBidirectional());
EXPECT_FALSE(
config_.HasReceivedInitialMaxStreamDataBytesOutgoingBidirectional());
EXPECT_FALSE(config_.HasReceivedInitialMaxStreamDataBytesUnidirectional());
EXPECT_EQ(kMaxIncomingPacketSize, config_.GetMaxPacketSizeToSend());
EXPECT_FALSE(config_.HasReceivedMaxPacketSize());
}
TEST_P(QuicConfigTest, AutoSetIetfFlowControl) {
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialStreamFlowControlWindowToSend());
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialMaxStreamDataBytesIncomingBidirectionalToSend());
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialMaxStreamDataBytesOutgoingBidirectionalToSend());
EXPECT_EQ(kMinimumFlowControlSendWindow,
config_.GetInitialMaxStreamDataBytesUnidirectionalToSend());
static const uint32_t kTestWindowSize = 1234567;
config_.SetInitialStreamFlowControlWindowToSend(kTestWindowSize);
EXPECT_EQ(kTestWindowSize, config_.GetInitialStreamFlowControlWindowToSend());
EXPECT_EQ(kTestWindowSize,
config_.GetInitialMaxStreamDataBytesIncomingBidirectionalToSend());
EXPECT_EQ(kTestWindowSize,
config_.GetInitialMaxStreamDataBytesOutgoingBidirectionalToSend());
EXPECT_EQ(kTestWindowSize,
config_.GetInitialMaxStreamDataBytesUnidirectionalToSend());
static const uint32_t kTestWindowSizeTwo = 2345678;
config_.SetInitialMaxStreamDataBytesIncomingBidirectionalToSend(
kTestWindowSizeTwo);
EXPECT_EQ(kTestWindowSize, config_.GetInitialStreamFlowControlWindowToSend());
EXPECT_EQ(kTestWindowSizeTwo,
config_.GetInitialMaxStreamDataBytesIncomingBidirectionalToSend());
EXPECT_EQ(kTestWindowSize,
config_.GetInitialMaxStreamDataBytesOutgoingBidirectionalToSend());
EXPECT_EQ(kTestWindowSize,
config_.GetInitialMaxStreamDataBytesUnidirectionalToSend());
}
TEST_P(QuicConfigTest, ToHandshakeMessage) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
config_.SetInitialStreamFlowControlWindowToSend(
kInitialStreamFlowControlWindowForTest);
config_.SetInitialSessionFlowControlWindowToSend(
kInitialSessionFlowControlWindowForTest);
config_.SetIdleNetworkTimeout(QuicTime::Delta::FromSeconds(5));
CryptoHandshakeMessage msg;
config_.ToHandshakeMessage(&msg, version_.transport_version);
uint32_t value;
QuicErrorCode error = msg.GetUint32(kICSL, &value);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_EQ(5u, value);
error = msg.GetUint32(kSFCW, &value);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_EQ(kInitialStreamFlowControlWindowForTest, value);
error = msg.GetUint32(kCFCW, &value);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_EQ(kInitialSessionFlowControlWindowForTest, value);
}
TEST_P(QuicConfigTest, ProcessClientHello) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
const uint32_t kTestMaxAckDelayMs =
static_cast<uint32_t>(kDefaultDelayedAckTimeMs + 1);
QuicConfig client_config;
QuicTagVector cgst;
cgst.push_back(kQBIC);
client_config.SetIdleNetworkTimeout(
QuicTime::Delta::FromSeconds(2 * kMaximumIdleTimeoutSecs));
client_config.SetInitialRoundTripTimeUsToSend(10 * kNumMicrosPerMilli);
client_config.SetInitialStreamFlowControlWindowToSend(
2 * kInitialStreamFlowControlWindowForTest);
client_config.SetInitialSessionFlowControlWindowToSend(
2 * kInitialSessionFlowControlWindowForTest);
QuicTagVector copt;
copt.push_back(kTBBR);
client_config.SetConnectionOptionsToSend(copt);
client_config.SetMaxAckDelayToSendMs(kTestMaxAckDelayMs);
CryptoHandshakeMessage msg;
client_config.ToHandshakeMessage(&msg, version_.transport_version);
std::string error_details;
QuicTagVector initial_received_options;
initial_received_options.push_back(kIW50);
EXPECT_TRUE(
config_.SetInitialReceivedConnectionOptions(initial_received_options));
EXPECT_FALSE(
config_.SetInitialReceivedConnectionOptions(initial_received_options))
<< "You can only set initial options once.";
const QuicErrorCode error =
config_.ProcessPeerHello(msg, CLIENT, &error_details);
EXPECT_FALSE(
config_.SetInitialReceivedConnectionOptions(initial_received_options))
<< "You cannot set initial options after the hello.";
EXPECT_THAT(error, IsQuicNoError());
EXPECT_TRUE(config_.negotiated());
EXPECT_EQ(QuicTime::Delta::FromSeconds(kMaximumIdleTimeoutSecs),
config_.IdleNetworkTimeout());
EXPECT_EQ(10 * kNumMicrosPerMilli, config_.ReceivedInitialRoundTripTimeUs());
EXPECT_TRUE(config_.HasReceivedConnectionOptions());
EXPECT_EQ(2u, config_.ReceivedConnectionOptions().size());
EXPECT_EQ(config_.ReceivedConnectionOptions()[0], kIW50);
EXPECT_EQ(config_.ReceivedConnectionOptions()[1], kTBBR);
EXPECT_EQ(config_.ReceivedInitialStreamFlowControlWindowBytes(),
2 * kInitialStreamFlowControlWindowForTest);
EXPECT_EQ(config_.ReceivedInitialSessionFlowControlWindowBytes(),
2 * kInitialSessionFlowControlWindowForTest);
EXPECT_TRUE(config_.HasReceivedMaxAckDelayMs());
EXPECT_EQ(kTestMaxAckDelayMs, config_.ReceivedMaxAckDelayMs());
// IETF QUIC stream limits should not be received in QUIC crypto messages.
EXPECT_FALSE(
config_.HasReceivedInitialMaxStreamDataBytesIncomingBidirectional());
EXPECT_FALSE(
config_.HasReceivedInitialMaxStreamDataBytesOutgoingBidirectional());
EXPECT_FALSE(config_.HasReceivedInitialMaxStreamDataBytesUnidirectional());
}
TEST_P(QuicConfigTest, ProcessServerHello) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
QuicIpAddress host;
host.FromString("127.0.3.1");
const QuicSocketAddress kTestServerAddress = QuicSocketAddress(host, 1234);
const StatelessResetToken kTestStatelessResetToken{
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f};
const uint32_t kTestMaxAckDelayMs =
static_cast<uint32_t>(kDefaultDelayedAckTimeMs + 1);
QuicConfig server_config;
QuicTagVector cgst;
cgst.push_back(kQBIC);
server_config.SetIdleNetworkTimeout(
QuicTime::Delta::FromSeconds(kMaximumIdleTimeoutSecs / 2));
server_config.SetInitialRoundTripTimeUsToSend(10 * kNumMicrosPerMilli);
server_config.SetInitialStreamFlowControlWindowToSend(
2 * kInitialStreamFlowControlWindowForTest);
server_config.SetInitialSessionFlowControlWindowToSend(
2 * kInitialSessionFlowControlWindowForTest);
server_config.SetIPv4AlternateServerAddressToSend(kTestServerAddress);
server_config.SetStatelessResetTokenToSend(kTestStatelessResetToken);
server_config.SetMaxAckDelayToSendMs(kTestMaxAckDelayMs);
CryptoHandshakeMessage msg;
server_config.ToHandshakeMessage(&msg, version_.transport_version);
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, SERVER, &error_details);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_TRUE(config_.negotiated());
EXPECT_EQ(QuicTime::Delta::FromSeconds(kMaximumIdleTimeoutSecs / 2),
config_.IdleNetworkTimeout());
EXPECT_EQ(10 * kNumMicrosPerMilli, config_.ReceivedInitialRoundTripTimeUs());
EXPECT_EQ(config_.ReceivedInitialStreamFlowControlWindowBytes(),
2 * kInitialStreamFlowControlWindowForTest);
EXPECT_EQ(config_.ReceivedInitialSessionFlowControlWindowBytes(),
2 * kInitialSessionFlowControlWindowForTest);
EXPECT_TRUE(config_.HasReceivedIPv4AlternateServerAddress());
EXPECT_EQ(kTestServerAddress, config_.ReceivedIPv4AlternateServerAddress());
EXPECT_FALSE(config_.HasReceivedIPv6AlternateServerAddress());
EXPECT_TRUE(config_.HasReceivedStatelessResetToken());
EXPECT_EQ(kTestStatelessResetToken, config_.ReceivedStatelessResetToken());
EXPECT_TRUE(config_.HasReceivedMaxAckDelayMs());
EXPECT_EQ(kTestMaxAckDelayMs, config_.ReceivedMaxAckDelayMs());
// IETF QUIC stream limits should not be received in QUIC crypto messages.
EXPECT_FALSE(
config_.HasReceivedInitialMaxStreamDataBytesIncomingBidirectional());
EXPECT_FALSE(
config_.HasReceivedInitialMaxStreamDataBytesOutgoingBidirectional());
EXPECT_FALSE(config_.HasReceivedInitialMaxStreamDataBytesUnidirectional());
}
TEST_P(QuicConfigTest, MissingOptionalValuesInCHLO) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
CryptoHandshakeMessage msg;
msg.SetValue(kICSL, 1);
// Set all REQUIRED tags.
msg.SetValue(kICSL, 1);
msg.SetValue(kMIBS, 1);
// No error, as rest are optional.
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, CLIENT, &error_details);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_TRUE(config_.negotiated());
}
TEST_P(QuicConfigTest, MissingOptionalValuesInSHLO) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
CryptoHandshakeMessage msg;
// Set all REQUIRED tags.
msg.SetValue(kICSL, 1);
msg.SetValue(kMIBS, 1);
// No error, as rest are optional.
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, SERVER, &error_details);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_TRUE(config_.negotiated());
}
TEST_P(QuicConfigTest, MissingValueInCHLO) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
// Server receives CHLO with missing kICSL.
CryptoHandshakeMessage msg;
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, CLIENT, &error_details);
EXPECT_THAT(error, IsError(QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND));
}
TEST_P(QuicConfigTest, MissingValueInSHLO) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
// Client receives SHLO with missing kICSL.
CryptoHandshakeMessage msg;
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, SERVER, &error_details);
EXPECT_THAT(error, IsError(QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND));
}
TEST_P(QuicConfigTest, OutOfBoundSHLO) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
QuicConfig server_config;
server_config.SetIdleNetworkTimeout(
QuicTime::Delta::FromSeconds(2 * kMaximumIdleTimeoutSecs));
CryptoHandshakeMessage msg;
server_config.ToHandshakeMessage(&msg, version_.transport_version);
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, SERVER, &error_details);
EXPECT_THAT(error, IsError(QUIC_INVALID_NEGOTIATED_VALUE));
}
TEST_P(QuicConfigTest, InvalidFlowControlWindow) {
// QuicConfig should not accept an invalid flow control window to send to the
// peer: the receive window must be at least the default of 16 Kb.
QuicConfig config;
const uint64_t kInvalidWindow = kMinimumFlowControlSendWindow - 1;
EXPECT_QUIC_BUG(
config.SetInitialStreamFlowControlWindowToSend(kInvalidWindow),
"Initial stream flow control receive window");
EXPECT_EQ(kMinimumFlowControlSendWindow,
config.GetInitialStreamFlowControlWindowToSend());
}
TEST_P(QuicConfigTest, HasClientSentConnectionOption) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
QuicConfig client_config;
QuicTagVector copt;
copt.push_back(kTBBR);
client_config.SetConnectionOptionsToSend(copt);
EXPECT_TRUE(client_config.HasClientSentConnectionOption(
kTBBR, Perspective::IS_CLIENT));
CryptoHandshakeMessage msg;
client_config.ToHandshakeMessage(&msg, version_.transport_version);
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, CLIENT, &error_details);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_TRUE(config_.negotiated());
EXPECT_TRUE(config_.HasReceivedConnectionOptions());
EXPECT_EQ(1u, config_.ReceivedConnectionOptions().size());
EXPECT_TRUE(
config_.HasClientSentConnectionOption(kTBBR, Perspective::IS_SERVER));
}
TEST_P(QuicConfigTest, DontSendClientConnectionOptions) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
QuicConfig client_config;
QuicTagVector copt;
copt.push_back(kTBBR);
client_config.SetClientConnectionOptions(copt);
CryptoHandshakeMessage msg;
client_config.ToHandshakeMessage(&msg, version_.transport_version);
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, CLIENT, &error_details);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_TRUE(config_.negotiated());
EXPECT_FALSE(config_.HasReceivedConnectionOptions());
}
TEST_P(QuicConfigTest, HasClientRequestedIndependentOption) {
if (version_.UsesTls()) {
// CryptoHandshakeMessage is only used for QUIC_CRYPTO.
return;
}
QuicConfig client_config;
QuicTagVector client_opt;
client_opt.push_back(kRENO);
QuicTagVector copt;
copt.push_back(kTBBR);
client_config.SetClientConnectionOptions(client_opt);
client_config.SetConnectionOptionsToSend(copt);
EXPECT_TRUE(client_config.HasClientSentConnectionOption(
kTBBR, Perspective::IS_CLIENT));
EXPECT_TRUE(client_config.HasClientRequestedIndependentOption(
kRENO, Perspective::IS_CLIENT));
EXPECT_FALSE(client_config.HasClientRequestedIndependentOption(
kTBBR, Perspective::IS_CLIENT));
CryptoHandshakeMessage msg;
client_config.ToHandshakeMessage(&msg, version_.transport_version);
std::string error_details;
const QuicErrorCode error =
config_.ProcessPeerHello(msg, CLIENT, &error_details);
EXPECT_THAT(error, IsQuicNoError());
EXPECT_TRUE(config_.negotiated());
EXPECT_TRUE(config_.HasReceivedConnectionOptions());
EXPECT_EQ(1u, config_.ReceivedConnectionOptions().size());
EXPECT_FALSE(config_.HasClientRequestedIndependentOption(
kRENO, Perspective::IS_SERVER));
EXPECT_TRUE(config_.HasClientRequestedIndependentOption(
kTBBR, Perspective::IS_SERVER));
}
TEST_P(QuicConfigTest, IncomingLargeIdleTimeoutTransportParameter) {
if (!version_.UsesTls()) {
// TransportParameters are only used for QUIC+TLS.
return;
}
// Configure our idle timeout to 60s, then receive 120s from peer.
// Since the received value is above ours, we should then use ours.
config_.SetIdleNetworkTimeout(quic::QuicTime::Delta::FromSeconds(60));
TransportParameters params;
params.max_idle_timeout_ms.set_value(120000);
std::string error_details = "foobar";
EXPECT_THAT(config_.ProcessTransportParameters(
params, /* is_resumption = */ false, &error_details),
IsQuicNoError());
EXPECT_EQ("", error_details);
EXPECT_EQ(quic::QuicTime::Delta::FromSeconds(60),
config_.IdleNetworkTimeout());
}
TEST_P(QuicConfigTest, ReceivedInvalidMinAckDelayInTransportParameter) {
if (!version_.UsesTls()) {
// TransportParameters are only used for QUIC+TLS.
return;
}
TransportParameters params;
params.max_ack_delay.set_value(25 /*ms*/);
params.min_ack_delay_us.set_value(25 * kNumMicrosPerMilli + 1);
std::string error_details = "foobar";
EXPECT_THAT(config_.ProcessTransportParameters(
params, /* is_resumption = */ false, &error_details),
IsError(IETF_QUIC_PROTOCOL_VIOLATION));
EXPECT_EQ("MinAckDelay is greater than MaxAckDelay.", error_details);
params.max_ack_delay.set_value(25 /*ms*/);
params.min_ack_delay_us.set_value(25 * kNumMicrosPerMilli);
EXPECT_THAT(config_.ProcessTransportParameters(
params, /* is_resumption = */ false, &error_details),
IsQuicNoError());
EXPECT_TRUE(error_details.empty());
}
TEST_P(QuicConfigTest, FillTransportParams) {
if (!version_.UsesTls()) {
// TransportParameters are only used for QUIC+TLS.
return;
}
const std::string kFakeGoogleHandshakeMessage = "Fake handshake message";
config_.SetInitialMaxStreamDataBytesIncomingBidirectionalToSend(
2 * kMinimumFlowControlSendWindow);
config_.SetInitialMaxStreamDataBytesOutgoingBidirectionalToSend(
3 * kMinimumFlowControlSendWindow);
config_.SetInitialMaxStreamDataBytesUnidirectionalToSend(
4 * kMinimumFlowControlSendWindow);
config_.SetMaxPacketSizeToSend(kMaxPacketSizeForTest);
config_.SetMaxDatagramFrameSizeToSend(kMaxDatagramFrameSizeForTest);
config_.SetActiveConnectionIdLimitToSend(kActiveConnectionIdLimitForTest);
config_.SetOriginalConnectionIdToSend(TestConnectionId(0x1111));
config_.SetInitialSourceConnectionIdToSend(TestConnectionId(0x2222));
config_.SetRetrySourceConnectionIdToSend(TestConnectionId(0x3333));
config_.SetMinAckDelayMs(kDefaultMinAckDelayTimeMs);
config_.SetGoogleHandshakeMessageToSend(kFakeGoogleHandshakeMessage);
QuicIpAddress host;
host.FromString("127.0.3.1");
QuicSocketAddress kTestServerAddress = QuicSocketAddress(host, 1234);
QuicConnectionId new_connection_id = TestConnectionId(5);
StatelessResetToken new_stateless_reset_token =
QuicUtils::GenerateStatelessResetToken(new_connection_id);
EXPECT_FALSE(config_.CanSendPreferredAddressConnectionIdAndToken());
config_.SetIPv4AlternateServerAddressToSend(kTestServerAddress);
ASSERT_TRUE(config_.CanSendPreferredAddressConnectionIdAndToken());
config_.SetPreferredAddressConnectionIdAndTokenToSend(
new_connection_id, new_stateless_reset_token);
EXPECT_FALSE(config_.CanSendPreferredAddressConnectionIdAndToken());
TransportParameters params;
config_.FillTransportParameters(&params);
EXPECT_EQ(2 * kMinimumFlowControlSendWindow,
params.initial_max_stream_data_bidi_remote.value());
EXPECT_EQ(3 * kMinimumFlowControlSendWindow,
params.initial_max_stream_data_bidi_local.value());
EXPECT_EQ(4 * kMinimumFlowControlSendWindow,
params.initial_max_stream_data_uni.value());
EXPECT_EQ(static_cast<uint64_t>(kMaximumIdleTimeoutSecs * 1000),
params.max_idle_timeout_ms.value());
EXPECT_EQ(kMaxPacketSizeForTest, params.max_udp_payload_size.value());
EXPECT_EQ(kMaxDatagramFrameSizeForTest,
params.max_datagram_frame_size.value());
EXPECT_EQ(kActiveConnectionIdLimitForTest,
params.active_connection_id_limit.value());
ASSERT_TRUE(params.original_destination_connection_id.has_value());
EXPECT_EQ(TestConnectionId(0x1111),
params.original_destination_connection_id.value());
ASSERT_TRUE(params.initial_source_connection_id.has_value());
EXPECT_EQ(TestConnectionId(0x2222),
params.initial_source_connection_id.value());
ASSERT_TRUE(params.retry_source_connection_id.has_value());
EXPECT_EQ(TestConnectionId(0x3333),
params.retry_source_connection_id.value());
EXPECT_EQ(
static_cast<uint64_t>(kDefaultMinAckDelayTimeMs) * kNumMicrosPerMilli,
params.min_ack_delay_us.value());
EXPECT_EQ(params.preferred_address->ipv4_socket_address, kTestServerAddress);
EXPECT_EQ(*reinterpret_cast<StatelessResetToken*>(
&params.preferred_address->stateless_reset_token.front()),
new_stateless_reset_token);
EXPECT_EQ(kFakeGoogleHandshakeMessage, params.google_handshake_message);
}
TEST_P(QuicConfigTest, ProcessTransportParametersServer) {
if (!version_.UsesTls()) {
// TransportParameters are only used for QUIC+TLS.
return;
}
const std::string kFakeGoogleHandshakeMessage = "Fake handshake message";
TransportParameters params;
params.initial_max_stream_data_bidi_local.set_value(
2 * kMinimumFlowControlSendWindow);
params.initial_max_stream_data_bidi_remote.set_value(
3 * kMinimumFlowControlSendWindow);
params.initial_max_stream_data_uni.set_value(4 *
kMinimumFlowControlSendWindow);
params.max_udp_payload_size.set_value(kMaxPacketSizeForTest);
params.max_datagram_frame_size.set_value(kMaxDatagramFrameSizeForTest);
params.initial_max_streams_bidi.set_value(kDefaultMaxStreamsPerConnection);
params.stateless_reset_token = CreateStatelessResetTokenForTest();
params.max_ack_delay.set_value(kMaxAckDelayForTest);
params.min_ack_delay_us.set_value(kMinAckDelayUsForTest);
params.ack_delay_exponent.set_value(kAckDelayExponentForTest);
params.active_connection_id_limit.set_value(kActiveConnectionIdLimitForTest);
params.original_destination_connection_id = TestConnectionId(0x1111);
params.initial_source_connection_id = TestConnectionId(0x2222);
params.retry_source_connection_id = TestConnectionId(0x3333);
params.google_handshake_message = kFakeGoogleHandshakeMessage;
std::string error_details;
EXPECT_THAT(config_.ProcessTransportParameters(
params, /* is_resumption = */ true, &error_details),
IsQuicNoError())
<< error_details;
EXPECT_FALSE(config_.negotiated());
ASSERT_TRUE(
config_.HasReceivedInitialMaxStreamDataBytesIncomingBidirectional());
EXPECT_EQ(2 * kMinimumFlowControlSendWindow,
config_.ReceivedInitialMaxStreamDataBytesIncomingBidirectional());
ASSERT_TRUE(
config_.HasReceivedInitialMaxStreamDataBytesOutgoingBidirectional());
EXPECT_EQ(3 * kMinimumFlowControlSendWindow,
config_.ReceivedInitialMaxStreamDataBytesOutgoingBidirectional());
ASSERT_TRUE(config_.HasReceivedInitialMaxStreamDataBytesUnidirectional());
EXPECT_EQ(4 * kMinimumFlowControlSendWindow,
config_.ReceivedInitialMaxStreamDataBytesUnidirectional());
ASSERT_TRUE(config_.HasReceivedMaxPacketSize());
EXPECT_EQ(kMaxPacketSizeForTest, config_.ReceivedMaxPacketSize());
ASSERT_TRUE(config_.HasReceivedMaxDatagramFrameSize());
EXPECT_EQ(kMaxDatagramFrameSizeForTest,
config_.ReceivedMaxDatagramFrameSize());
ASSERT_TRUE(config_.HasReceivedMaxBidirectionalStreams());
EXPECT_EQ(kDefaultMaxStreamsPerConnection,
config_.ReceivedMaxBidirectionalStreams());
EXPECT_FALSE(config_.DisableConnectionMigration());
// The following config shouldn't be processed because of resumption.
EXPECT_FALSE(config_.HasReceivedStatelessResetToken());
EXPECT_FALSE(config_.HasReceivedMaxAckDelayMs());
EXPECT_FALSE(config_.HasReceivedAckDelayExponent());
EXPECT_FALSE(config_.HasReceivedMinAckDelayMs());
EXPECT_FALSE(config_.HasReceivedOriginalConnectionId());
EXPECT_FALSE(config_.HasReceivedInitialSourceConnectionId());
EXPECT_FALSE(config_.HasReceivedRetrySourceConnectionId());
// Let the config process another slightly tweaked transport paramters.
// Note that the values for flow control and stream limit cannot be smaller
// than before. This rule is enforced in QuicSession::OnConfigNegotiated().
params.initial_max_stream_data_bidi_local.set_value(
2 * kMinimumFlowControlSendWindow + 1);
params.initial_max_stream_data_bidi_remote.set_value(
4 * kMinimumFlowControlSendWindow);
params.initial_max_stream_data_uni.set_value(5 *
kMinimumFlowControlSendWindow);
params.max_udp_payload_size.set_value(2 * kMaxPacketSizeForTest);
params.max_datagram_frame_size.set_value(2 * kMaxDatagramFrameSizeForTest);
params.initial_max_streams_bidi.set_value(2 *
kDefaultMaxStreamsPerConnection);
params.disable_active_migration = true;
EXPECT_THAT(config_.ProcessTransportParameters(
params, /* is_resumption = */ false, &error_details),
IsQuicNoError())
<< error_details;
EXPECT_TRUE(config_.negotiated());
ASSERT_TRUE(
config_.HasReceivedInitialMaxStreamDataBytesIncomingBidirectional());
EXPECT_EQ(2 * kMinimumFlowControlSendWindow + 1,
config_.ReceivedInitialMaxStreamDataBytesIncomingBidirectional());
ASSERT_TRUE(
config_.HasReceivedInitialMaxStreamDataBytesOutgoingBidirectional());
EXPECT_EQ(4 * kMinimumFlowControlSendWindow,
config_.ReceivedInitialMaxStreamDataBytesOutgoingBidirectional());
ASSERT_TRUE(config_.HasReceivedInitialMaxStreamDataBytesUnidirectional());
EXPECT_EQ(5 * kMinimumFlowControlSendWindow,
config_.ReceivedInitialMaxStreamDataBytesUnidirectional());
ASSERT_TRUE(config_.HasReceivedMaxPacketSize());
EXPECT_EQ(2 * kMaxPacketSizeForTest, config_.ReceivedMaxPacketSize());
ASSERT_TRUE(config_.HasReceivedMaxDatagramFrameSize());
EXPECT_EQ(2 * kMaxDatagramFrameSizeForTest,
config_.ReceivedMaxDatagramFrameSize());
ASSERT_TRUE(config_.HasReceivedMaxBidirectionalStreams());
EXPECT_EQ(2 * kDefaultMaxStreamsPerConnection,
config_.ReceivedMaxBidirectionalStreams());
EXPECT_TRUE(config_.DisableConnectionMigration());
ASSERT_TRUE(config_.HasReceivedStatelessResetToken());
ASSERT_TRUE(config_.HasReceivedMaxAckDelayMs());
EXPECT_EQ(config_.ReceivedMaxAckDelayMs(), kMaxAckDelayForTest);
ASSERT_TRUE(config_.HasReceivedMinAckDelayMs());
EXPECT_EQ(config_.ReceivedMinAckDelayMs(),
kMinAckDelayUsForTest / kNumMicrosPerMilli);
ASSERT_TRUE(config_.HasReceivedAckDelayExponent());
EXPECT_EQ(config_.ReceivedAckDelayExponent(), kAckDelayExponentForTest);
ASSERT_TRUE(config_.HasReceivedActiveConnectionIdLimit());
EXPECT_EQ(config_.ReceivedActiveConnectionIdLimit(),
kActiveConnectionIdLimitForTest);
ASSERT_TRUE(config_.HasReceivedOriginalConnectionId());
EXPECT_EQ(config_.ReceivedOriginalConnectionId(), TestConnectionId(0x1111));
ASSERT_TRUE(config_.HasReceivedInitialSourceConnectionId());
EXPECT_EQ(config_.ReceivedInitialSourceConnectionId(),
TestConnectionId(0x2222));
ASSERT_TRUE(config_.HasReceivedRetrySourceConnectionId());
EXPECT_EQ(config_.ReceivedRetrySourceConnectionId(),
TestConnectionId(0x3333));
EXPECT_EQ(kFakeGoogleHandshakeMessage,
config_.GetReceivedGoogleHandshakeMessage());
}
TEST_P(QuicConfigTest, DisableMigrationTransportParameter) {
if (!version_.UsesTls()) {
// TransportParameters are only used for QUIC+TLS.
return;
}
TransportParameters params;
params.disable_active_migration = true;
std::string error_details;
EXPECT_THAT(config_.ProcessTransportParameters(
params, /* is_resumption = */ false, &error_details),
IsQuicNoError());
EXPECT_TRUE(config_.DisableConnectionMigration());
}
TEST_P(QuicConfigTest, SendPreferredIPv4Address) {
if (!version_.UsesTls()) {
// TransportParameters are only used for QUIC+TLS.
return;
}
EXPECT_FALSE(config_.HasReceivedPreferredAddressConnectionIdAndToken());
TransportParameters params;
QuicIpAddress host;
host.FromString("::ffff:192.0.2.128");
QuicSocketAddress kTestServerAddress = QuicSocketAddress(host, 1234);
QuicConnectionId new_connection_id = TestConnectionId(5);
StatelessResetToken new_stateless_reset_token =
QuicUtils::GenerateStatelessResetToken(new_connection_id);
auto preferred_address =
std::make_unique<TransportParameters::PreferredAddress>();
preferred_address->ipv6_socket_address = kTestServerAddress;
preferred_address->connection_id = new_connection_id;
preferred_address->stateless_reset_token.assign(
reinterpret_cast<const char*>(&new_stateless_reset_token),
reinterpret_cast<const char*>(&new_stateless_reset_token) +
sizeof(new_stateless_reset_token));
params.preferred_address = std::move(preferred_address);
std::string error_details;
EXPECT_THAT(config_.ProcessTransportParameters(
params, /* is_resumption = */ false, &error_details),
IsQuicNoError());
EXPECT_TRUE(config_.HasReceivedIPv6AlternateServerAddress());
EXPECT_EQ(config_.ReceivedIPv6AlternateServerAddress(), kTestServerAddress);
EXPECT_TRUE(config_.HasReceivedPreferredAddressConnectionIdAndToken());
const std::pair<QuicConnectionId, StatelessResetToken>&
preferred_address_connection_id_and_token =
config_.ReceivedPreferredAddressConnectionIdAndToken();
EXPECT_EQ(preferred_address_connection_id_and_token.first, new_connection_id);
EXPECT_EQ(preferred_address_connection_id_and_token.second,
new_stateless_reset_token);
}
} // namespace
} // namespace test
} // namespace quic