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/*
* socks.h - SOCKS5 TCP proxy client/server
* Copyright (C) 2003 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 CS_SOCKS_H
#define CS_SOCKS_H
#include"bytestream.h"
// CS_NAMESPACE_BEGIN
class TQHostAddress;
class SocksClient;
class SocksServer;
class SocksUDP : public TQObject
{
Q_OBJECT
TQ_OBJECT
public:
~SocksUDP();
void change(const TQString &host, int port);
void write(const TQByteArray &data);
signals:
void packetReady(const TQByteArray &data);
private slots:
void sn_activated(int);
private:
class Private;
Private *d;
friend class SocksClient;
SocksUDP(SocksClient *sc, const TQString &host, int port, const TQHostAddress &routeAddr, int routePort);
};
class SocksClient : public ByteStream
{
Q_OBJECT
TQ_OBJECT
public:
enum Error { ErrConnectionRefused = ErrCustom, ErrHostNotFound, ErrProxyConnect, ErrProxyNeg, ErrProxyAuth };
enum Method { AuthNone=0x0001, AuthUsername=0x0002 };
enum Request { ReqConnect, ReqUDPAssociate };
SocksClient(TQObject *parent=0);
SocksClient(int, TQObject *parent=0);
~SocksClient();
bool isIncoming() const;
// outgoing
void setAuth(const TQString &user, const TQString &pass="");
void connectToHost(const TQString &proxyHost, int proxyPort, const TQString &host, int port, bool udpMode=false);
// incoming
void chooseMethod(int);
void authGrant(bool);
void requestDeny();
void grantConnect();
void grantUDPAssociate(const TQString &relayHost, int relayPort);
// from ByteStream
bool isOpen() const;
void close();
void write(const TQByteArray &);
TQByteArray read(int bytes=0);
int bytesAvailable() const;
int bytesToWrite() const;
// remote address
TQHostAddress peerAddress() const;
TQ_UINT16 peerPort() const;
// udp
TQString udpAddress() const;
TQ_UINT16 udpPort() const;
SocksUDP *createUDP(const TQString &host, int port, const TQHostAddress &routeAddr, int routePort);
signals:
// outgoing
void connected();
// incoming
void incomingMethods(int);
void incomingAuth(const TQString &user, const TQString &pass);
void incomingConnectRequest(const TQString &host, int port);
void incomingUDPAssociateRequest();
private slots:
void sock_connected();
void sock_connectionClosed();
void sock_delayedCloseFinished();
void sock_readyRead();
void sock_bytesWritten(int);
void sock_error(int);
void serve();
private:
class Private;
Private *d;
void init();
void reset(bool clear=false);
void do_request();
void processOutgoing(const TQByteArray &);
void processIncoming(const TQByteArray &);
void continueIncoming();
void writeData(const TQByteArray &a);
};
class SocksServer : public TQObject
{
Q_OBJECT
TQ_OBJECT
public:
SocksServer(TQObject *parent=0);
~SocksServer();
bool isActive() const;
bool listen(TQ_UINT16 port, bool udp=false);
void stop();
int port() const;
TQHostAddress address() const;
SocksClient *takeIncoming();
void writeUDP(const TQHostAddress &addr, int port, const TQByteArray &data);
signals:
void incomingReady();
void incomingUDP(const TQString &host, int port, const TQHostAddress &addr, int sourcePort, const TQByteArray &data);
private slots:
void connectionReady(int);
void connectionError();
void sn_activated(int);
private:
class Private;
Private *d;
};
// CS_NAMESPACE_END
#endif
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