00001 /**************************************************************** 00002 * Vidalia is distributed under the following license: 00003 * 00004 * Copyright (C) 2006, Matt Edman, Justin Hipple 00005 * 00006 * This program is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public License 00008 * as published by the Free Software Foundation; either version 2 00009 * of the License, or (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 ****************************************************************/ 00021 00022 /** 00023 * \file torsocket.h 00024 * \version $Id: torsocket.h 1238 2006-09-25 17:50:57Z edmanm $ 00025 * \brief A QTcpSocket that makes requests over Tor 00026 */ 00027 00028 #ifndef _TORSOCKET_H 00029 #define _TORSOCKET_H 00030 00031 #include <QTcpSocket> 00032 #include <QHostAddress> 00033 00034 00035 class TorSocket : public QTcpSocket 00036 { 00037 Q_OBJECT 00038 00039 public: 00040 /** Constructor. */ 00041 TorSocket(QHostAddress socksAddr, quint16 socksPort, QObject *parent = 0); 00042 00043 /** Connects to the specified hostname and port via Tor. */ 00044 void connectToHost(const QString &remoteHost, quint16 remotePort); 00045 00046 signals: 00047 /** Emitted when a connection has been established to Tor. */ 00048 void connectedToTor(); 00049 /** Emitted when a connection has been established through Tor to the remote 00050 * host specified in a prior call to connectToHost(). */ 00051 void connectedToHost(); 00052 /** Emmitted when a connection error has occurred. */ 00053 void socketError(QString errmsg); 00054 00055 private slots: 00056 /** Handles the server's response part of a Socks4a handshake. */ 00057 void onHandshakeResponse(); 00058 /** Called when a connection error has occurred. */ 00059 void onError(QAbstractSocket::SocketError error); 00060 00061 private: 00062 /** Sends the client part of a Socks4a handshake with a proxy server. */ 00063 void sendSocksHandshake(const QString &remoteHost, quint16 remotePort); 00064 00065 QHostAddress _socksAddr; /**< Address of Tor's SOCKS listener. */ 00066 quint16 _socksPort; /**< Port of Tor's SOCKS listener. */ 00067 }; 00068 00069 #endif 00070