void CChatSessionG2::ParseOutgoingHandshake()
{
QString sHs = Read(Peek(bytesAvailable()).indexOf("\r\n\r\n") + 4);
qDebug() << "Chat received:\n" << sHs;
if( sHs.left(12) == "CHAT/0.2 200" )
{
QString sAccept = Parser::GetHeaderValue(sHs, "Accept");
if( !sAccept.contains("application/x-gnutella2") )
{
Send_ChatError("503 Required protocol not accepted");
CNetworkConnection::Close(true);
emit systemMessage("Remote host does not support Gnutella2");
return;
}
QString sContentType = Parser::GetHeaderValue(sHs, "Content-Type");
if( !sContentType.contains("application/x-gnutella2") )
{
Send_ChatError("503 Required protocol not provided");
CNetworkConnection::Close(true);
emit systemMessage("Remote host does not support Gnutella2");
return;
}
QString sUA = Parser::GetHeaderValue(sHs, "User-Agent");
if( sUA.indexOf("shareaza", 0, Qt::CaseInsensitive) != -1 )
m_bShareaza = true;
emit systemMessage("Exchanging profile information...");
m_nState = csConnected;
Send_ChatOK(true);
SendStartups();
return;
}
qDebug() << m_oAddress.toStringWithPort() << "does not accept chat";
Close();
}
void CG2Node::ParseOutgoingHandshake()
{
QString sHs = read(peek(bytesAvailable()).indexOf("\r\n\r\n") + 4);
//qDebug() << "Handshake receive:\n" << sHs;
QString sAccept = Parser::GetHeaderValue(sHs, "Accept");
bool bAcceptG2 = sAccept.contains("application/x-gnutella2");
if( !bAcceptG2 )
{
Send_ConnectError("503 Required network not accepted");
return;
}
QString sContentType = Parser::GetHeaderValue(sHs, "Content-Type");
bool bG2Provided = sContentType.contains("application/x-gnutella2");
if( !bG2Provided )
{
Send_ConnectError("503 Required network not provided");
return;
}
QString sTry = Parser::GetHeaderValue(sHs, "X-Try-Hubs");
if( bAcceptG2 && bG2Provided && sTry.size() )
{
HostCache.AddXTry(sTry);
}
if( sHs.left(16) != "GNUTELLA/0.6 200" )
{
qDebug() << "Connection rejected: " << sHs.left(sHs.indexOf("\r\n"));
disconnectFromHost();
return;
}
m_sUserAgent = Parser::GetHeaderValue(sHs, "User-Agent");
if( m_sUserAgent.isEmpty() )
{
Send_ConnectError("503 Anonymous clients are not allowed here");
return;
}
QString sRemoteIP = Parser::GetHeaderValue(sHs, "Remote-IP");
if( !sRemoteIP.isEmpty() )
Network.AcquireLocalAddress(sRemoteIP);
else
{
Send_ConnectError("503 Remote-IP header missing");
return;
}
QString sUltra = Parser::GetHeaderValue(sHs, "X-Ultrapeer").toLower();
//QString sUltraNeeded = Parser::GetHeaderValue(sHs, "X-Ultrapeer-Needed").toLower();
bool bUltra = (sUltra == "true");
//bool bUltraNeeded = (sUltraNeeded == "true");
#ifndef _DISABLE_COMPRESSION
QString sContentEnc = Parser::GetHeaderValue(sHs, "Content-Encoding");
if( sContentEnc.contains("deflate") )
{
if( !EnableInputCompression() )
{
qDebug() << "Inflate init error!";
abort();
deleteLater();
return;
}
}
#endif
bool bAcceptDeflate = false;
#ifndef _DISABLE_COMPRESSION
QString sAcceptEnc = Parser::GetHeaderValue(sHs, "Accept-Encoding");
if( sAcceptEnc.contains("deflate") && Network.isHub() )
{
bAcceptDeflate = true;
}
#endif
if( bUltra )
{
if( !Network.NeedMore(G2_HUB) )
{
Send_ConnectError("503 Maximum hub connections reached");
return;
}
m_nType = G2_HUB;
}
else
{
if( !Network.NeedMore(G2_LEAF) )
{
Send_ConnectError("503 Maximum leaf connections reached");
return;
}
m_nType = G2_LEAF;
}
Send_ConnectOK(true, bAcceptDeflate);
#ifndef _DISABLE_COMPRESSION
if( bAcceptDeflate )
{
if( !EnableOutputCompression() )
{
qDebug() << "Deflate init error!";
abort();
deleteLater();
return;
}
}
#endif
m_nState = nsConnected;
emit NodeStateChanged();
SendStartups();
m_tLastPacketIn = m_tLastPacketOut = time(0);
}
void CG2Node::ParseIncomingHandshake()
{
qint32 nIndex = peek(bytesAvailable()).indexOf("\r\n\r\n");
QString sHs = read(nIndex + 4);
//qDebug() << "Handshake receive:\n" << sHs;
if( m_sUserAgent.isEmpty() )
m_sUserAgent = Parser::GetHeaderValue(sHs, "User-Agent");
if( m_sUserAgent.isEmpty() )
{
Send_ConnectError("503 Anonymous clients are not allowed here");
return;
}
if( sHs.startsWith("GNUTELLA CONNECT/0.6") )
{
QString sAccept = Parser::GetHeaderValue(sHs, "Accept");
bool bAcceptG2 = sAccept.contains("application/x-gnutella2");
if( !bAcceptG2 )
{
Send_ConnectError("503 Required network not accepted");
return;
}
#ifndef _DISABLE_COMPRESSION
m_bAcceptDeflate = false;
QString sAcceptEnc = Parser::GetHeaderValue(sHs, "Accept-Encoding");
if( sAcceptEnc.contains("deflate") && Network.isHub() )
{
m_bAcceptDeflate = true;
}
#endif
QString sUltra = Parser::GetHeaderValue(sHs, "X-Ultrapeer").toLower();
//QString sUltraNeeded = Parser::GetHeaderValue(sHs, "X-Ultrapeer-Needed").toLower();
if( sUltra.isEmpty() )
{
Send_ConnectError("503 No hub mode specified");
return;
}
QString sRemoteIP = Parser::GetHeaderValue(sHs, "Remote-IP");
if( !sRemoteIP.isEmpty() )
Network.AcquireLocalAddress(sRemoteIP);
else
{
Send_ConnectError("503 Remote-IP header missing");
return;
}
bool bUltra = (sUltra == "true");
if( bUltra )
{
if( !Network.NeedMore(G2_HUB) )
{
Send_ConnectError("503 Maximum hub connections reached");
return;
}
m_nType = G2_HUB;
}
else
{
if( !Network.NeedMore(G2_LEAF) )
{
Send_ConnectError("503 Maximum leaf connections reached");
return;
}
m_nType = G2_LEAF;
}
Send_ConnectOK(false, m_bAcceptDeflate);
}
else if( sHs.contains(" 200 OK") )
{
QString sContentType = Parser::GetHeaderValue(sHs, "Content-Type");
bool bG2Provided = sContentType.contains("application/x-gnutella2");
if( !bG2Provided )
{
Send_ConnectError("503 Required network not provided");
return;
}
#ifndef _DISABLE_COMPRESSION
QString sContentEnc = Parser::GetHeaderValue(sHs, "Content-Encoding");
if( sContentEnc.contains("deflate") )
{
if( !EnableInputCompression() )
{
qDebug() << "Inflate init error!";
abort();
deleteLater();
return;
}
}
if( m_bAcceptDeflate )
{
if( !EnableOutputCompression() )
{
qDebug() << "Deflate init error!";
abort();
deleteLater();
return;
}
}
#endif
m_nState = nsConnected;
emit NodeStateChanged();
SendStartups();
m_tLastPacketIn = m_tLastPacketOut = time(0);
}
else
{
qDebug() << "Connection rejected: " << sHs.left(sHs.indexOf("\r\n"));
m_nState = nsClosing;
emit NodeStateChanged();
close();
}
}
