/****************************************************************************
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****************************************************************************/


#ifndef QSSLSOCKET_OPENSSL_P_H
#define QSSLSOCKET_OPENSSL_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "qsslsocket_p.h"

#ifdef Q_OS_WIN
#include <qt_windows.h>
#if defined(OCSP_RESPONSE)
#undef OCSP_RESPONSE
#endif
#endif

#include <openssl/asn1.h>
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/pkcs12.h>
#include <openssl/pkcs7.h>
#include <openssl/rand.h>
#include <openssl/ssl.h>
#include <openssl/stack.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/x509_vfy.h>
#include <openssl/dsa.h>
#include <openssl/rsa.h>
#include <openssl/crypto.h>
#if OPENSSL_VERSION_NUMBER >= 0x0090806fL && !defined(OPENSSL_NO_TLSEXT)
#include <openssl/tls1.h>
#endif

#if OPENSSL_VERSION_NUMBER >= 0x10000000L
typedef _STACK STACK;
#endif

QT_BEGIN_NAMESPACE

class QSslSocketBackendPrivate : public QSslSocketPrivate
{
    Q_DECLARE_PUBLIC(QSslSocket)
public:
    QSslSocketBackendPrivate();
    virtual ~QSslSocketBackendPrivate();

    // SSL context
    bool initSslContext();
    void destroySslContext();
    SSL *ssl;
    SSL_CTX *ctx;
    EVP_PKEY *pkey;
    BIO *readBio;
    BIO *writeBio;
    SSL_SESSION *session;
    QList<QPair<int, int> > errorList;

    // Platform specific functions
    void startClientEncryption();
    void startServerEncryption();
    void transmit();
    bool startHandshake();
    void disconnectFromHost();
    void disconnected();
    QSslCipher sessionCipher() const;
    void continueHandshake();
    bool checkSslErrors();
#ifdef Q_OS_WIN
    void fetchCaRootForCert(const QSslCertificate &cert);
    void _q_caRootLoaded(QSslCertificate,QSslCertificate);
#endif

    Q_AUTOTEST_EXPORT static long setupOpenSslOptions(QSsl::SslProtocol protocol, QSsl::SslOptions sslOptions);
    static QSslCipher QSslCipher_from_SSL_CIPHER(SSL_CIPHER *cipher);
    static QList<QSslCertificate> STACKOFX509_to_QSslCertificates(STACK_OF(X509) *x509);
    static bool isMatchingHostname(const QSslCertificate &cert, const QString &peerName);
    Q_AUTOTEST_EXPORT static bool isMatchingHostname(const QString &cn, const QString &hostname);
    static QList<QSslError> verify(QList<QSslCertificate> certificateChain, const QString &hostName);
    static QString getErrorsFromOpenSsl();
};

#ifdef Q_OS_WIN
class QWindowsCaRootFetcher : public QObject
{
    Q_OBJECT;
public:
    QWindowsCaRootFetcher(const QSslCertificate &certificate, QSslSocket::SslMode sslMode);
    ~QWindowsCaRootFetcher();
public slots:
    void start();
signals:
    void finished(QSslCertificate brokenChain, QSslCertificate caroot);
private:
    QSslCertificate cert;
    QSslSocket::SslMode mode;
};
#endif

QT_END_NAMESPACE

#endif
