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/*
* securestream.h - combines a ByteStream with TLS and SASL
* Copyright (C) 2004 Justin Karneges
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef SECURESTREAM_H
#define SECURESTREAM_H
#include <tqca.h>
#include "bytestream.h"
#define USE_TLSHANDLER
#ifdef USE_TLSHANDLER
namespace XMPP
{
class TLSHandler;
}
#endif
class SecureStream : public ByteStream
{
TQ_OBJECT
public:
enum Error { ErrTLS = ErrCustom, ErrSASL };
SecureStream(ByteStream *s);
~SecureStream();
void startTLSClient(TQCA::TLS *t, const TQByteArray &spare=TQByteArray());
void startTLSServer(TQCA::TLS *t, const TQByteArray &spare=TQByteArray());
void setLayerSASL(TQCA::SASL *s, const TQByteArray &spare=TQByteArray());
#ifdef USE_TLSHANDLER
void startTLSClient(XMPP::TLSHandler *t, const TQString &server, const TQByteArray &spare=TQByteArray());
#endif
void closeTLS();
int errorCode() const;
// reimplemented
bool isOpen() const;
void write(const TQByteArray &);
int bytesToWrite() const;
signals:
void tlsHandshaken();
void tlsClosed();
private slots:
void bs_readyRead();
void bs_bytesWritten(int);
void layer_tlsHandshaken();
void layer_tlsClosed(const TQByteArray &);
void layer_readyRead(const TQByteArray &);
void layer_needWrite(const TQByteArray &);
void layer_error(int);
private:
void linkLayer(TQObject *);
int calcPrebytes() const;
void insertData(const TQByteArray &a);
void writeRawData(const TQByteArray &a);
void incomingData(const TQByteArray &a);
class Private;
Private *d;
};
#endif
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