#ifndef FORWARDCHANNEL_H
#define FORWARDCHANNEL_H

#include "CovertChannel.h"

/**
 * @class Sniffer
 *
 * Sniffs the network.
 *
 * Sniffer class which will sniff on a network interface. It is supposed to
 * forward the packets to an analyzer or modifyer so we can hide data in the
 * traffic.
 */
class ForwardChannel : public CovertChannel {
public:
	/**
	 * Creates a Sniffer.
	 *
	 * Creates a Sniffer and sets the network interface for sniffing.
	 *
	 * @param interface name of the interface for sniffing
	 */
	ForwardChannel(const std::string &innerInterface, const std::string &outerInterface, const std::string &filter);

	/**
	 * Destroys the Sniffer.
	 *
	 * Destructor of the Sniffer.
	 */
	virtual ~ForwardChannel();

protected:
	virtual bool handleChannelToInner(Tins::PDU &pdu);
	virtual bool handleChannelToOuter(Tins::PDU &pdu);
};

#endif