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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTLSBACKEND_OPENSSL_P_H
#define QTLSBACKEND_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 <QtNetwork/qssldiffiehellmanparameters.h>
#include <QtNetwork/qsslcertificate.h>
#include <QtNetwork/private/qtlsbackend_p.h>
#include <QtCore/qglobal.h>
#include <QtCore/qlist.h>
#include <openssl/ssl.h>
QT_BEGIN_NAMESPACE
class QTlsBackendOpenSSL final : public QTlsBackend
{
Q_OBJECT
Q_PLUGIN_METADATA(IID QTlsBackend_iid)
Q_INTERFACES(QTlsBackend)
public:
static QString getErrorsFromOpenSsl();
static void logAndClearErrorQueue();
static void clearErrorQueue();
static bool ensureLibraryLoaded();
// Index used in SSL_get_ex_data to get the matching TlsCryptographerOpenSSL:
static bool s_libraryLoaded;
static bool s_loadedCiphersAndCerts;
static int s_indexForSSLExtraData;
static QString msgErrorsDuringHandshake();
static QSslCipher qt_OpenSSL_cipher_to_QSslCipher(const SSL_CIPHER *cipher);
private:
QString backendName() const override;
bool isValid() const override;
long tlsLibraryVersionNumber() const override;
QString tlsLibraryVersionString() const override;
long tlsLibraryBuildVersionNumber() const override;
QString tlsLibraryBuildVersionString() const override;
void ensureInitialized() const override;
void ensureCiphersAndCertsLoaded() const;
static void resetDefaultCiphers();
QList<QSsl::SslProtocol> supportedProtocols() const override;
QList<QSsl::SupportedFeature> supportedFeatures() const override;
QList<QSsl::ImplementedClass> implementedClasses() const override;
// QSslKey:
QTlsPrivate::TlsKey *createKey() const override;
// QSslCertificate:
QTlsPrivate::X509Certificate *createCertificate() const override;
QList<QSslCertificate> systemCaCertificates() const override;
QTlsPrivate::TlsCryptograph *createTlsCryptograph() const override;
QTlsPrivate::DtlsCookieVerifier *createDtlsCookieVerifier() const override;
QTlsPrivate::DtlsCryptograph *createDtlsCryptograph(QDtls *q, int mode) const override;
QTlsPrivate::X509ChainVerifyPtr X509Verifier() const override;
QTlsPrivate::X509PemReaderPtr X509PemReader() const override;
QTlsPrivate::X509DerReaderPtr X509DerReader() const override;
QTlsPrivate::X509Pkcs12ReaderPtr X509Pkcs12Reader() const override;
// Elliptic curves:
QList<int> ellipticCurvesIds() const override;
int curveIdFromShortName(const QString &name) const override;
int curveIdFromLongName(const QString &name) const override;
QString shortNameForId(int cid) const override;
QString longNameForId(int cid) const override;
bool isTlsNamedCurve(int cid) const override;
// DH parameters:
using DHParams = QSslDiffieHellmanParameters;
int dhParametersFromDer(const QByteArray &derData, QByteArray *data) const override;
int dhParametersFromPem(const QByteArray &pemData, QByteArray *data) const override;
void forceAutotestSecurityLevel() override;
};
Q_DECLARE_LOGGING_CATEGORY(lcTlsBackend)
QT_END_NAMESPACE
#endif // QTLSBACKEND_OPENSSL_P_H
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