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// Copyright (c) 2019 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/crypto/tls_server_connection.h"
#include "third_party/boringssl/src/include/openssl/ssl.h"
#include "net/third_party/quiche/src/quic/core/crypto/proof_source.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
#include "net/third_party/quiche/src/common/platform/api/quiche_string_piece.h"
namespace quic {
TlsServerConnection::TlsServerConnection(SSL_CTX* ssl_ctx, Delegate* delegate)
: TlsConnection(ssl_ctx, delegate->ConnectionDelegate()),
delegate_(delegate) {}
// static
bssl::UniquePtr<SSL_CTX> TlsServerConnection::CreateSslCtx(
ProofSource* proof_source) {
bssl::UniquePtr<SSL_CTX> ssl_ctx = TlsConnection::CreateSslCtx();
SSL_CTX_set_tlsext_servername_callback(ssl_ctx.get(),
&SelectCertificateCallback);
SSL_CTX_set_alpn_select_cb(ssl_ctx.get(), &SelectAlpnCallback, nullptr);
// We don't actually need the TicketCrypter here, but we need to know
// whether it's set.
if (proof_source->GetTicketCrypter()) {
SSL_CTX_set_ticket_aead_method(ssl_ctx.get(),
&TlsServerConnection::kSessionTicketMethod);
if (GetQuicRestartFlag(quic_enable_zero_rtt_for_tls_v2)) {
SSL_CTX_set_early_data_enabled(ssl_ctx.get(), 1);
}
} else {
SSL_CTX_set_options(ssl_ctx.get(), SSL_OP_NO_TICKET);
}
return ssl_ctx;
}
void TlsServerConnection::SetCertChain(
const std::vector<CRYPTO_BUFFER*>& cert_chain) {
SSL_set_chain_and_key(ssl(), cert_chain.data(), cert_chain.size(), nullptr,
&TlsServerConnection::kPrivateKeyMethod);
}
const SSL_PRIVATE_KEY_METHOD TlsServerConnection::kPrivateKeyMethod{
&TlsServerConnection::PrivateKeySign,
nullptr, // decrypt
&TlsServerConnection::PrivateKeyComplete,
};
// static
TlsServerConnection* TlsServerConnection::ConnectionFromSsl(SSL* ssl) {
return static_cast<TlsServerConnection*>(
TlsConnection::ConnectionFromSsl(ssl));
}
// static
int TlsServerConnection::SelectCertificateCallback(SSL* ssl,
int* out_alert,
void* /*arg*/) {
return ConnectionFromSsl(ssl)->delegate_->SelectCertificate(out_alert);
}
// static
int TlsServerConnection::SelectAlpnCallback(SSL* ssl,
const uint8_t** out,
uint8_t* out_len,
const uint8_t* in,
unsigned in_len,
void* /*arg*/) {
return ConnectionFromSsl(ssl)->delegate_->SelectAlpn(out, out_len, in,
in_len);
}
// static
ssl_private_key_result_t TlsServerConnection::PrivateKeySign(SSL* ssl,
uint8_t* out,
size_t* out_len,
size_t max_out,
uint16_t sig_alg,
const uint8_t* in,
size_t in_len) {
return ConnectionFromSsl(ssl)->delegate_->PrivateKeySign(
out, out_len, max_out, sig_alg,
quiche::QuicheStringPiece(reinterpret_cast<const char*>(in), in_len));
}
// static
ssl_private_key_result_t TlsServerConnection::PrivateKeyComplete(
SSL* ssl,
uint8_t* out,
size_t* out_len,
size_t max_out) {
return ConnectionFromSsl(ssl)->delegate_->PrivateKeyComplete(out, out_len,
max_out);
}
// static
const SSL_TICKET_AEAD_METHOD TlsServerConnection::kSessionTicketMethod{
TlsServerConnection::SessionTicketMaxOverhead,
TlsServerConnection::SessionTicketSeal,
TlsServerConnection::SessionTicketOpen,
};
// static
size_t TlsServerConnection::SessionTicketMaxOverhead(SSL* ssl) {
return ConnectionFromSsl(ssl)->delegate_->SessionTicketMaxOverhead();
}
// static
int TlsServerConnection::SessionTicketSeal(SSL* ssl,
uint8_t* out,
size_t* out_len,
size_t max_out_len,
const uint8_t* in,
size_t in_len) {
return ConnectionFromSsl(ssl)->delegate_->SessionTicketSeal(
out, out_len, max_out_len,
quiche::QuicheStringPiece(reinterpret_cast<const char*>(in), in_len));
}
// static
enum ssl_ticket_aead_result_t TlsServerConnection::SessionTicketOpen(
SSL* ssl,
uint8_t* out,
size_t* out_len,
size_t max_out_len,
const uint8_t* in,
size_t in_len) {
return ConnectionFromSsl(ssl)->delegate_->SessionTicketOpen(
out, out_len, max_out_len,
quiche::QuicheStringPiece(reinterpret_cast<const char*>(in), in_len));
}
} // namespace quic
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