1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3// Qt-Security score:significant reason:default
4
5#ifndef QTLSBACKEND_OPENSSL_P_H
6#define QTLSBACKEND_OPENSSL_P_H
7
8//
9// W A R N I N G
10// -------------
11//
12// This file is not part of the Qt API. It exists purely as an
13// implementation detail. This header file may change from version to
14// version without notice, or even be removed.
15//
16// We mean it.
17//
18
19#include <QtNetwork/private/qtnetworkglobal_p.h>
20
21#include <QtNetwork/qssldiffiehellmanparameters.h>
22#include <QtNetwork/qsslcertificate.h>
23
24#include <QtNetwork/private/qtlsbackend_p.h>
25
26#include <QtCore/qglobal.h>
27#include <QtCore/qlist.h>
28
29#include <openssl/ssl.h>
30
31QT_BEGIN_NAMESPACE
32
33class QTlsBackendOpenSSL final : public QTlsBackend
34{
35 Q_OBJECT
36 Q_PLUGIN_METADATA(IID QTlsBackend_iid)
37 Q_INTERFACES(QTlsBackend)
38
39public:
40
41 static QString getErrorsFromOpenSsl();
42 static void logAndClearErrorQueue();
43 static void clearErrorQueue();
44
45 // Index used in SSL_get_ex_data to get the matching TlsCryptographerOpenSSL:
46 static int s_indexForSSLExtraData;
47
48 static QString msgErrorsDuringHandshake();
49 static QSslCipher qt_OpenSSL_cipher_to_QSslCipher(const SSL_CIPHER *cipher);
50private:
51 static bool ensureLibraryLoaded();
52 QString backendName() const override;
53 bool isValid() const override;
54 long tlsLibraryVersionNumber() const override;
55 QString tlsLibraryVersionString() const override;
56 long tlsLibraryBuildVersionNumber() const override;
57 QString tlsLibraryBuildVersionString() const override;
58
59 void ensureInitialized() const override;
60 void ensureCiphersAndCertsLoaded() const;
61 static void resetDefaultCiphers();
62
63 QList<QSsl::SslProtocol> supportedProtocols() const override;
64 QList<QSsl::SupportedFeature> supportedFeatures() const override;
65 QList<QSsl::ImplementedClass> implementedClasses() const override;
66
67 // QSslKey:
68 QTlsPrivate::TlsKey *createKey() const override;
69
70 // QSslCertificate:
71 QTlsPrivate::X509Certificate *createCertificate() const override;
72 QList<QSslCertificate> systemCaCertificates() const override;
73
74 QTlsPrivate::TlsCryptograph *createTlsCryptograph() const override;
75 QTlsPrivate::DtlsCookieVerifier *createDtlsCookieVerifier() const override;
76 QTlsPrivate::DtlsCryptograph *createDtlsCryptograph(QDtls *q, int mode) const override;
77
78 QTlsPrivate::X509ChainVerifyPtr X509Verifier() const override;
79 QTlsPrivate::X509PemReaderPtr X509PemReader() const override;
80 QTlsPrivate::X509DerReaderPtr X509DerReader() const override;
81 QTlsPrivate::X509Pkcs12ReaderPtr X509Pkcs12Reader() const override;
82
83 // Elliptic curves:
84 QList<int> ellipticCurvesIds() const override;
85 int curveIdFromShortName(const QString &name) const override;
86 int curveIdFromLongName(const QString &name) const override;
87 QString shortNameForId(int cid) const override;
88 QString longNameForId(int cid) const override;
89 bool isTlsNamedCurve(int cid) const override;
90
91 // DH parameters:
92 using DHParams = QSslDiffieHellmanParameters;
93 int dhParametersFromDer(const QByteArray &derData, QByteArray *data) const override;
94 int dhParametersFromPem(const QByteArray &pemData, QByteArray *data) const override;
95
96 void forceAutotestSecurityLevel() override;
97};
98
99Q_DECLARE_LOGGING_CATEGORY(lcTlsBackend)
100
101QT_END_NAMESPACE
102
103#endif // QTLSBACKEND_OPENSSL_P_H
104
105
106

source code of qtbase/src/plugins/tls/openssl/qtlsbackend_openssl_p.h