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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QTLS_OPENSSL_P_H
#define QTLS_OPENSSL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtNetwork/private/qtnetworkglobal_p.h>
#include "qtlsbackend_openssl_p.h"
#include "qsslcontext_openssl_p.h"
#include "qopenssl_p.h"
#include <QtNetwork/qsslcertificate.h>
#include <QtNetwork/qocspresponse.h>
#include <QtCore/qsharedpointer.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qglobal.h>
#include <QtCore/qlist.h>
QT_BEGIN_NAMESPACE
namespace QTlsPrivate {
class TlsCryptographOpenSSL : public TlsCryptograph
{
public:
enum ExDataOffset {
errorOffsetInExData = 1,
socketOffsetInExData = 2
};
~TlsCryptographOpenSSL();
void init(QSslSocket *qObj, QSslSocketPrivate *dObj) override;
void checkSettingSslContext(std::shared_ptr<QSslContext> tlsContext) override;
std::shared_ptr<QSslContext> sslContext() const override;
QList<QSslError> tlsErrors() const override;
void startClientEncryption() override;
void startServerEncryption() override;
bool startHandshake();
void enableHandshakeContinuation() override;
void cancelCAFetch() override;
void continueHandshake() override;
void transmit() override;
void disconnectFromHost() override;
void disconnected() override;
QSslCipher sessionCipher() const override;
QSsl::SslProtocol sessionProtocol() const override;
QList<QOcspResponse> ocsps() const override;
bool checkSslErrors();
int handleNewSessionTicket(SSL *connection);
void alertMessageSent(int encoded);
void alertMessageReceived(int encoded);
int emitErrorFromCallback(X509_STORE_CTX *ctx);
void trySendFatalAlert();
#if QT_CONFIG(ocsp)
bool checkOcspStatus();
#endif
QSslSocket *q = nullptr;
QSslSocketPrivate *d = nullptr;
void storePeerCertificates();
unsigned pskClientTlsCallback(const char *hint, char *identity, unsigned max_identity_len,
unsigned char *psk, unsigned max_psk_len);
unsigned pskServerTlsCallback(const char *identity, unsigned char *psk,
unsigned max_psk_len);
bool isInSslRead() const;
void setRenegotiated(bool renegotiated);
#ifdef Q_OS_WIN
void fetchCaRootForCert(const QSslCertificate &cert);
void caRootLoaded(QSslCertificate certificate, QSslCertificate trustedRoot);
#endif
QByteArray ocspResponseDer;
private:
// TLSTODO: names were preserved, to make comparison
// easier (see qsslsocket_openssl.cpp, while it exists).
bool initSslContext();
void destroySslContext();
std::shared_ptr<QSslContext> sslContextPointer;
SSL *ssl = nullptr; // TLSTODO: RAII.
QList<QSslErrorEntry> errorList;
QList<QSslError> sslErrors;
BIO *readBio = nullptr;
BIO *writeBio = nullptr;
QList<QOcspResponse> ocspResponses;
// This description will go to setErrorAndEmit(SslHandshakeError, ocspErrorDescription)
QString ocspErrorDescription;
// These will go to sslErrors()
QList<QSslError> ocspErrors;
bool systemOrSslErrorDetected = false;
bool handshakeInterrupted = false;
bool fetchAuthorityInformation = false;
std::optional<QSslCertificate> caToFetch;
bool inSetAndEmitError = false;
bool pendingFatalAlert = false;
bool errorsReportedFromCallback = false;
bool shutdown = false;
bool inSslRead = false;
bool renegotiated = false;
};
} // namespace QTlsPrivate
QT_END_NAMESPACE
#endif // QTLS_OPENSSL_P_H
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