You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
2.9 KiB
110 lines
2.9 KiB
/*
|
|
Kopete Oscar Protocol
|
|
snacprotocol.cpp - reads the protocol used by Oscar for signalling stuff
|
|
|
|
Copyright (c) 2004 Matt Rogers <mattr@kde.org>
|
|
Based on code copyright (c) 2004 SUSE Linux AG <http://www.suse.com>
|
|
|
|
Kopete (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>
|
|
|
|
*************************************************************************
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Lesser General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
*************************************************************************
|
|
*/
|
|
|
|
#include "snacprotocol.h"
|
|
|
|
#include <tqcstring.h>
|
|
#include <tqdatastream.h>
|
|
#include <tqobject.h>
|
|
#include <kdebug.h>
|
|
#include <stdlib.h>
|
|
#include "transfer.h"
|
|
|
|
|
|
using namespace Oscar;
|
|
|
|
SnacProtocol::SnacProtocol(TQObject *parent, const char *name)
|
|
: InputProtocolBase(parent, name)
|
|
{
|
|
}
|
|
|
|
SnacProtocol::~SnacProtocol()
|
|
{
|
|
}
|
|
|
|
Transfer* SnacProtocol::parse( const TQByteArray & packet, uint& bytes )
|
|
{
|
|
BYTE b;
|
|
WORD w;
|
|
DWORD dw;
|
|
|
|
FLAP f;
|
|
SNAC s;
|
|
SnacTransfer *st;
|
|
TQDataStream* m_din = new TQDataStream( packet, IO_ReadOnly );
|
|
|
|
//flap parsing
|
|
*m_din >> b; //this should be the start byte
|
|
//kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "start byte is " << b << endl;
|
|
*m_din >> b;
|
|
f.channel = b;
|
|
*m_din >> w;
|
|
f.sequence = w;
|
|
*m_din >> w;
|
|
f.length = w;
|
|
|
|
if ( ( f.length + 6 ) > packet.size() )
|
|
{
|
|
kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "Packet not big enough to parse!" << endl;
|
|
kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "packet size is " << packet.size()
|
|
<< " we need " << f.length + 6 << endl;
|
|
return 0;
|
|
}
|
|
//snac parsing
|
|
*m_din >> w;
|
|
s.family = w;
|
|
*m_din >> w;
|
|
s.subtype = w;
|
|
*m_din >> w;
|
|
s.flags = w;
|
|
*m_din >> dw;
|
|
s.id = dw;
|
|
|
|
kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "family: " << s.family
|
|
<< " subtype: " << s.subtype << " flags: " << s.flags
|
|
<< " id: " << s.id << endl;
|
|
|
|
//use pointer arithmatic to skip the flap and snac headers
|
|
//so we don't have to do double parsing in the tasks
|
|
char* charPacket = packet.data();
|
|
char* snacData;
|
|
int snacOffset = 10; //default
|
|
if ( s.flags >= 0x8000 ) //skip the next 8 bytes, we don't care about the snac version ATM
|
|
{
|
|
//kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "skipping snac version" << endl;
|
|
snacOffset = 18;
|
|
snacData = charPacket + 24;
|
|
}
|
|
else
|
|
{
|
|
snacOffset = 10;
|
|
snacData = charPacket + 16;
|
|
}
|
|
|
|
Buffer *snacBuffer = new Buffer( snacData, f.length - snacOffset );
|
|
st = new SnacTransfer( f, s, snacBuffer );
|
|
bytes = f.length + 6;
|
|
delete m_din;
|
|
m_din = 0;
|
|
return st;
|
|
}
|
|
|
|
|
|
#include "snacprotocol.moc"
|