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164 lines
3.9 KiB
164 lines
3.9 KiB
/*
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* socks.h - SOCKS5 TCP proxy client/server
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* Copyright (C) 2003 Justin Karneges
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef CS_SOCKS_H
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#define CS_SOCKS_H
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#include "bytestream.h"
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// CS_NAMESPACE_BEGIN
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class TQHostAddress;
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class SocksClient;
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class SocksServer;
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class SocksUDP : public TQObject
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{
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TQ_OBJECT
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public:
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~SocksUDP();
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void change(const TQString &host, int port);
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void write(const TQByteArray &data);
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signals:
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void packetReady(const TQByteArray &data);
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private slots:
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void sn_activated(int);
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private:
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class Private;
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Private *d;
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friend class SocksClient;
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SocksUDP(SocksClient *sc, const TQString &host, int port, const TQHostAddress &routeAddr, int routePort);
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};
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class SocksClient : public ByteStream
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{
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TQ_OBJECT
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public:
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enum Error { ErrConnectionRefused = ErrCustom, ErrHostNotFound, ErrProxyConnect, ErrProxyNeg, ErrProxyAuth };
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enum Method { AuthNone=0x0001, AuthUsername=0x0002 };
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enum Request { ReqConnect, ReqUDPAssociate };
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SocksClient(TQObject *parent=0);
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SocksClient(int, TQObject *parent=0);
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~SocksClient();
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bool isIncoming() const;
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// outgoing
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void setAuth(const TQString &user, const TQString &pass="");
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void connectToHost(const TQString &proxyHost, int proxyPort, const TQString &host, int port, bool udpMode=false);
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// incoming
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void chooseMethod(int);
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void authGrant(bool);
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void requestDeny();
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void grantConnect();
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void grantUDPAssociate(const TQString &relayHost, int relayPort);
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// from ByteStream
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bool isOpen() const;
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void close();
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void write(const TQByteArray &);
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TQByteArray read(int bytes=0);
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int bytesAvailable() const;
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int bytesToWrite() const;
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// remote address
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TQHostAddress peerAddress() const;
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TQ_UINT16 peerPort() const;
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// udp
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TQString udpAddress() const;
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TQ_UINT16 udpPort() const;
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SocksUDP *createUDP(const TQString &host, int port, const TQHostAddress &routeAddr, int routePort);
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signals:
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// outgoing
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void connected();
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// incoming
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void incomingMethods(int);
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void incomingAuth(const TQString &user, const TQString &pass);
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void incomingConnectRequest(const TQString &host, int port);
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void incomingUDPAssociateRequest();
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private slots:
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void sock_connected();
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void sock_connectionClosed();
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void sock_delayedCloseFinished();
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void sock_readyRead();
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void sock_bytesWritten(int);
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void sock_error(int);
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void serve();
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private:
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class Private;
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Private *d;
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void init();
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void reset(bool clear=false);
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void do_request();
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void processOutgoing(const TQByteArray &);
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void processIncoming(const TQByteArray &);
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void continueIncoming();
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void writeData(const TQByteArray &a);
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};
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class SocksServer : public TQObject
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{
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TQ_OBJECT
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public:
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SocksServer(TQObject *parent=0);
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~SocksServer();
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bool isActive() const;
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bool listen(TQ_UINT16 port, bool udp=false);
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void stop();
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int port() const;
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TQHostAddress address() const;
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SocksClient *takeIncoming();
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void writeUDP(const TQHostAddress &addr, int port, const TQByteArray &data);
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signals:
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void incomingReady();
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void incomingUDP(const TQString &host, int port, const TQHostAddress &addr, int sourcePort, const TQByteArray &data);
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private slots:
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void connectionReady(int);
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void connectionError();
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void sn_activated(int);
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private:
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class Private;
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Private *d;
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};
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// CS_NAMESPACE_END
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#endif
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