pcpp::SSHLayer Class Reference

#include <SSHLayer.h>

Inheritance diagram for pcpp::SSHLayer:

Public Member Functions
void	parseNextLayer ()
void	computeCalculateFields ()
OsiModelLayer	getOsiModelLayer () const
Public Member Functions inherited from pcpp::Layer
virtual	~Layer ()
Layer *	getNextLayer () const
Layer *	getPrevLayer () const
ProtocolType	getProtocol () const
uint8_t *	getData () const
size_t	getDataLen () const
uint8_t *	getLayerPayload () const
size_t	getLayerPayloadSize () const
bool	isAllocatedToPacket () const
void	copyData (uint8_t *toArr) const
uint8_t *	getDataPtr (size_t offset=0) const
virtual size_t	getHeaderLen () const =0
virtual std::string	toString () const =0

Static Public Member Functions
static SSHLayer *	createSSHMessage (uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)
static bool	isSSHPort (uint16_t portSrc, uint16_t portDst)

Detailed Description

This is the base class for the SSH layer. It is an abstract class that cannot be instantiated. It holds some common functionality, but its most important method is createSSHMessage() which takes raw data and creates an SSH message according to the heuristics described in the SSHLayer.h file description

Member Function Documentation

computeCalculateFields()

void pcpp::SSHLayer::computeCalculateFields ( )

inlinevirtual

Does nothing for this layer

Implements pcpp::Layer.

createSSHMessage()

static SSHLayer* pcpp::SSHLayer::createSSHMessage ( uint8_t *  data, size_t  dataLen, Layer *  prevLayer, Packet *  packet  )

static

A static method that takes raw packet data and uses the heuristics described in the SSHLayer.h file description to create an SSH layer instance. This method assumes the data is indeed SSH data and not some other arbitrary data

Parameters

[in]	data	A pointer to the raw data
[in]	dataLen	Size of the data in bytes
[in]	prevLayer	A pointer to the previous layer
[in]	packet	A pointer to the Packet instance where layer will be stored in

Returns

An instance of one of the classes that inherit SSHLayer as described in the SSHLayer.h file description

getOsiModelLayer()

OsiModelLayer pcpp::SSHLayer::getOsiModelLayer ( ) const

inlinevirtual

Returns

The OSI Model layer this protocol belongs to

Implements pcpp::Layer.

isSSHPort()

static bool pcpp::SSHLayer::isSSHPort ( uint16_t  portSrc, uint16_t  portDst  )

inlinestatic

A static method that takes src and dst ports and determines whether it's SSH traffic or not.

Parameters

[in]	portSrc	The source TCP port to examine
[in]	portDst	The dest TCP port to examine

Returns

Currently the implementation is very simple and returns "true" if either src or dst ports are equal to 22, "false" otherwise

parseNextLayer()

void pcpp::SSHLayer::parseNextLayer ( )

virtual

Several SSH records can reside in a single packets. This method examins the remaining data and creates additional SSH records if applicable

Implements pcpp::Layer.