qsslcontext_openssl_p.h

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// Copyright (C) 2016 The Qt Company Ltd.

// Copyright (C) 2014 BlackBerry Limited. All rights reserved.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QSSLCONTEXT_OPENSSL_P_H

#define QSSLCONTEXT_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 <QtCore/qvariant.h>

#include <QtNetwork/qsslcertificate.h>

#include <QtNetwork/qsslconfiguration.h>

#include <openssl/ssl.h>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_SSL

class QSslContext

public:

    Q_DISABLE_COPY_MOVE(QSslContext)

    ~QSslContext();

    static std::shared_ptr<QSslContext> sharedFromConfiguration(QSslSocket::SslMode mode, const QSslConfiguration &configuration,

                                                               bool allowRootCertOnDemandLoading);

    static std::shared_ptr<QSslContext> sharedFromPrivateConfiguration(QSslSocket::SslMode mode, QSslConfigurationPrivate *privConfiguration,

                                                                      bool allowRootCertOnDemandLoading);

    static qssloptions setupOpenSslOptions(QSsl::SslProtocol protocol, QSsl::SslOptions sslOptions);

    QSslError::SslError error() const;

    QString errorString() const;

    SSL* createSsl();

    bool cacheSession(SSL*); // should be called when handshake completed

    QByteArray sessionASN1() const;

    void setSessionASN1(const QByteArray &sessionASN1);

    int sessionTicketLifeTimeHint() const;

    static void forceAutoTestSecurityLevel();

#ifndef OPENSSL_NO_NEXTPROTONEG

    // must be public because we want to use it from an OpenSSL callback

    struct NPNContext {

        NPNContext() : data(nullptr),

            len(0),

            status(QSslConfiguration::NextProtocolNegotiationNone)

{ }

        unsigned char *data;

        unsigned short len;

        QSslConfiguration::NextProtocolNegotiationStatus status;

};

    NPNContext npnContext() const;

#endif // !OPENSSL_NO_NEXTPROTONEG

protected:

    QSslContext();

private:

    static void initSslContext(QSslContext* sslContext, QSslSocket::SslMode mode, const QSslConfiguration &configuration,

                               bool allowRootCertOnDemandLoading);

    static void applyBackendConfig(QSslContext *sslContext);

    static void setGenericPrivateKey(QSslContext *sslContext,

                                     const QSslConfiguration &configuration);

private:

    SSL_CTX* ctx;

    EVP_PKEY *pkey;

    SSL_SESSION *session;

    QByteArray m_sessionASN1;

    int m_sessionTicketLifeTimeHint;

    QSslError::SslError errorCode = {};

    QString errorStr;

    QSslConfiguration sslConfiguration;

#ifndef OPENSSL_NO_NEXTPROTONEG

    QByteArray m_supportedNPNVersions;

    NPNContext m_npnContext;

#endif // !OPENSSL_NO_NEXTPROTONEG

};

#endif // QT_NO_SSL

QT_END_NAMESPACE

#endif // QSSLCONTEXT_OPENSSL_P_H