1 files changed, 109 insertions, 0 deletions
diff --git a/kopete/protocols/oscar/liboscar/snacprotocol.cpp b/kopete/protocols/oscar/liboscar/snacprotocol.cpp
new file mode 100644
index 00000000..3bf16bbc
--- /dev/null
+++ b/kopete/protocols/oscar/liboscar/snacprotocol.cpp
@@ -0,0 +1,109 @@
+/*
+    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 <qcstring.h>
+#include <qdatastream.h>
+#include <qobject.h>
+#include <kdebug.h>
+#include <stdlib.h>
+#include "transfer.h"
+
+
+using namespace Oscar;
+
+SnacProtocol::SnacProtocol(QObject *parent, const char *name)
+ : InputProtocolBase(parent, name)
+{
+}
+
+SnacProtocol::~SnacProtocol()
+{
+}
+
+Transfer* SnacProtocol::parse( const QByteArray & packet, uint& bytes )
+{
+	BYTE b;
+	WORD w;
+	DWORD dw;
+		
+	FLAP f;
+	SNAC s;
+	SnacTransfer *st;
+	QDataStream* m_din = new QDataStream( 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"