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127 lines
3.8 KiB
127 lines
3.8 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef BTAUTHENTICATEBASE_H
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#define BTAUTHENTICATEBASE_H
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#include <tqobject.h>
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#include <tqsocket.h>
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#include <tqtimer.h>
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#include <util/constants.h>
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namespace mse
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{
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class StreamSocket;
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}
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namespace bt
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{
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class SHA1Hash;
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class PeerID;
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/**
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* @author Joris Guisson
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*
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* Base class for authentication classes. This class just groups
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* some common stuff between Authenticate and ServerAuthentciate.
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* It has a socket, handles the timing out, provides a function to send
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* the handshake.
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*/
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class AuthenticateBase : public TQObject
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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AuthenticateBase(mse::StreamSocket* s = 0);
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virtual ~AuthenticateBase();
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/// Set wether this is a local peer
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void setLocal(bool loc) {local = loc;}
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/// Is this a local peer
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bool isLocal() const {return local;}
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/// See if the authentication is finished
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bool isFinished() const {return finished;}
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/// Flags indicating which extensions are supported
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Uint32 supportedExtensions() const {return ext_support;}
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/// get teh socket
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const mse::StreamSocket* getSocket() const {return sock;}
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/// We can read from the socket
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virtual void onReadyRead();
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/// We can write to the socket (used to detect a succesfull connection)
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virtual void onReadyWrite();
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int getPollIndex() const {return poll_index;}
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void setPollIndex(int pi) {poll_index = pi;}
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protected:
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/**
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* Send a handshake
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* @param info_hash The info_hash to include
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* @param our_peer_id Our PeerID
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*/
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void sendHandshake(const SHA1Hash & info_hash,const PeerID & our_peer_id);
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/**
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* Authentication finished.
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* @param succes Succes or not
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*/
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virtual void onFinish(bool succes) = 0;
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/**
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* The other side send a handshake. The first 20 bytes
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* of the handshake will already have been checked.
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* @param full Indicates wether we have a full handshake
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* if this is not full, we should just send our own
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*/
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virtual void handshakeRecieved(bool full) = 0;
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/**
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* Fill in the handshake in a buffer.
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*/
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void makeHandshake(bt::Uint8* buf,const SHA1Hash & info_hash,const PeerID & our_peer_id);
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protected slots:
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void onTimeout();
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void onError(int err);
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protected:
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mse::StreamSocket* sock;
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TQTimer timer;
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bool finished;
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Uint8 handshake[68];
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Uint32 bytes_of_handshake_recieved;
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Uint32 ext_support;
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bool local;
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int poll_index;
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};
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}
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#endif
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