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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <util/log.h>
#include <mse/streamsocket.h>
#include "authenticate.h"
#include "ipblocklist.h"
#include "peermanager.h"
namespace bt
{
Authenticate::Authenticate(const QString & ip,Uint16 port,
const SHA1Hash & info_hash,const PeerID & peer_id,PeerManager* pman)
: info_hash(info_hash),our_peer_id(peer_id),pman(pman)
{
finished = succes = false;
sock = new mse::StreamSocket();
host = ip;
this->port = port;
Out(SYS_CON|LOG_NOTICE) << "Initiating connection to " << host << endl;
if (sock->connectTo(host,port))
{
connected();
}
else if (sock->connecting())
{
// do nothing the monitor will notify us when we are connected
}
else
{
onFinish(false);
}
}
Authenticate::~Authenticate()
{
}
void Authenticate::onReadyWrite()
{
// Out() << "Authenticate::onReadyWrite()" << endl;
if (sock->connectSuccesFull())
{
connected();
}
else
{
onFinish(false);
}
}
void Authenticate::connected()
{
sendHandshake(info_hash,our_peer_id);
}
void Authenticate::onFinish(bool succes)
{
Out(SYS_CON|LOG_NOTICE) << "Authentication to " << host << " : " << (succes ? "ok" : "failure") << endl;
finished = true;
this->succes = succes;
if (!succes)
{
sock->deleteLater();
sock = 0;
}
timer.stop();
if (pman)
pman->peerAuthenticated(this,succes);
}
void Authenticate::handshakeRecieved(bool full)
{
const Uint8* hs = handshake;
// Out() << "Authenticate::handshakeRecieved" << endl;
IPBlocklist& ipfilter = IPBlocklist::instance();
//Out() << "Dodo " << pp.ip << endl;
if (ipfilter.isBlocked(host))
{
onFinish(false);
return;
}
SHA1Hash rh(hs+28);
if (rh != info_hash)
{
Out() << "Wrong info_hash : " << rh.toString() << endl;
onFinish(false);
return;
}
char tmp[21];
tmp[20] = '\0';
memcpy(tmp,hs+48,20);
peer_id = PeerID(tmp);
if (our_peer_id == peer_id /*|| peer_id.startsWith("Yoda")*/)
{
Out(SYS_CON|LOG_DEBUG) << "Lets not connect to our selves " << endl;
onFinish(false);
return;
}
// check if we aren't already connected to the client
if (pman->connectedTo(peer_id))
{
Out(SYS_CON|LOG_NOTICE) << "Already connected to " << peer_id.toString() << endl;
onFinish(false);
return;
}
// only finish when the handshake was fully received
if (full)
onFinish(true);
}
mse::StreamSocket* Authenticate::takeSocket()
{
mse::StreamSocket* s = sock;
sock = 0;
return s;
}
void Authenticate::onPeerManagerDestroyed()
{
// Out(SYS_CON|LOG_NOTICE) << "Authenticate::onPeerManagerDestroyed()" << endl;
pman = 0;
if (finished)
return;
onFinish(false);
}
}
#include "authenticate.moc"
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