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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/third_party/quiche/src/quic/core/quic_crypto_server_stream.h"
#include <memory>
#include <string>
#include "net/third_party/quiche/src/quic/core/crypto/crypto_protocol.h"
#include "net/third_party/quiche/src/quic/core/crypto/crypto_utils.h"
#include "net/third_party/quiche/src/quic/core/crypto/quic_crypto_server_config.h"
#include "net/third_party/quiche/src/quic/core/crypto/quic_random.h"
#include "net/third_party/quiche/src/quic/core/proto/cached_network_parameters.pb.h"
#include "net/third_party/quiche/src/quic/core/quic_config.h"
#include "net/third_party/quiche/src/quic/core/quic_crypto_server_handshaker.h"
#include "net/third_party/quiche/src/quic/core/quic_packets.h"
#include "net/third_party/quiche/src/quic/core/quic_session.h"
#include "net/third_party/quiche/src/quic/core/tls_server_handshaker.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_flag_utils.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_logging.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_ptr_util.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
namespace quic {
QuicCryptoServerStreamBase::QuicCryptoServerStreamBase(QuicSession* session)
: QuicCryptoStream(session) {}
// TODO(jokulik): Once stateless rejects support is inherent in the version
// number, this function will likely go away entirely.
// static
bool QuicCryptoServerStreamBase::DoesPeerSupportStatelessRejects(
const CryptoHandshakeMessage& message) {
QuicTagVector received_tags;
QuicErrorCode error = message.GetTaglist(kCOPT, &received_tags);
if (error != QUIC_NO_ERROR) {
return false;
}
for (const QuicTag tag : received_tags) {
if (tag == kSREJ) {
return true;
}
}
return false;
}
QuicCryptoServerStream::QuicCryptoServerStream(
const QuicCryptoServerConfig* crypto_config,
QuicCompressedCertsCache* compressed_certs_cache,
bool use_stateless_rejects_if_peer_supported,
QuicSession* session,
Helper* helper)
: QuicCryptoServerStreamBase(session),
use_stateless_rejects_if_peer_supported_(
use_stateless_rejects_if_peer_supported),
peer_supports_stateless_rejects_(false),
crypto_config_(crypto_config),
compressed_certs_cache_(compressed_certs_cache),
helper_(helper) {
DCHECK_EQ(Perspective::IS_SERVER, session->connection()->perspective());
}
QuicCryptoServerStream::~QuicCryptoServerStream() {}
void QuicCryptoServerStream::CancelOutstandingCallbacks() {
if (handshaker()) {
handshaker()->CancelOutstandingCallbacks();
}
}
bool QuicCryptoServerStream::GetBase64SHA256ClientChannelID(
std::string* output) const {
return handshaker()->GetBase64SHA256ClientChannelID(output);
}
void QuicCryptoServerStream::SendServerConfigUpdate(
const CachedNetworkParameters* cached_network_params) {
handshaker()->SendServerConfigUpdate(cached_network_params);
}
uint8_t QuicCryptoServerStream::NumHandshakeMessages() const {
return handshaker()->NumHandshakeMessages();
}
uint8_t QuicCryptoServerStream::NumHandshakeMessagesWithServerNonces() const {
return handshaker()->NumHandshakeMessagesWithServerNonces();
}
int QuicCryptoServerStream::NumServerConfigUpdateMessagesSent() const {
return handshaker()->NumServerConfigUpdateMessagesSent();
}
const CachedNetworkParameters*
QuicCryptoServerStream::PreviousCachedNetworkParams() const {
return handshaker()->PreviousCachedNetworkParams();
}
bool QuicCryptoServerStream::UseStatelessRejectsIfPeerSupported() const {
return use_stateless_rejects_if_peer_supported_;
}
bool QuicCryptoServerStream::PeerSupportsStatelessRejects() const {
return peer_supports_stateless_rejects_;
}
bool QuicCryptoServerStream::ZeroRttAttempted() const {
return handshaker()->ZeroRttAttempted();
}
void QuicCryptoServerStream::SetPeerSupportsStatelessRejects(
bool peer_supports_stateless_rejects) {
peer_supports_stateless_rejects_ = peer_supports_stateless_rejects;
}
void QuicCryptoServerStream::SetPreviousCachedNetworkParams(
CachedNetworkParameters cached_network_params) {
handshaker()->SetPreviousCachedNetworkParams(cached_network_params);
}
bool QuicCryptoServerStream::ShouldSendExpectCTHeader() const {
return handshaker()->ShouldSendExpectCTHeader();
}
bool QuicCryptoServerStream::encryption_established() const {
if (!handshaker()) {
return false;
}
return handshaker()->encryption_established();
}
bool QuicCryptoServerStream::handshake_confirmed() const {
if (!handshaker()) {
return false;
}
return handshaker()->handshake_confirmed();
}
const QuicCryptoNegotiatedParameters&
QuicCryptoServerStream::crypto_negotiated_params() const {
return handshaker()->crypto_negotiated_params();
}
CryptoMessageParser* QuicCryptoServerStream::crypto_message_parser() {
return handshaker()->crypto_message_parser();
}
void QuicCryptoServerStream::OnSuccessfulVersionNegotiation(
const ParsedQuicVersion& version) {
DCHECK_EQ(version, session()->connection()->version());
CHECK(!handshaker_);
switch (session()->connection()->version().handshake_protocol) {
case PROTOCOL_QUIC_CRYPTO:
handshaker_ = QuicMakeUnique<QuicCryptoServerHandshaker>(
crypto_config_, this, compressed_certs_cache_, session(), helper_);
break;
case PROTOCOL_TLS1_3:
handshaker_ = QuicMakeUnique<TlsServerHandshaker>(
this, session(), crypto_config_->ssl_ctx(),
crypto_config_->proof_source());
break;
case PROTOCOL_UNSUPPORTED:
QUIC_BUG << "Attempting to create QuicCryptoServerStream for unknown "
"handshake protocol";
}
}
QuicCryptoServerStream::HandshakerDelegate* QuicCryptoServerStream::handshaker()
const {
return handshaker_.get();
}
} // namespace quic
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