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## This file is part of Scapy
## See http://www.secdev.org/projects/scapy for more informations
## Copyright (C) Philippe Biondi <phil@secdev.org>
## This program is published under a GPLv2 license
"""
IrDA infrared data communication.
"""
from scapy.packet import *
from scapy.fields import *
from scapy.layers.l2 import CookedLinux
# IR
class IrLAPHead(Packet):
name = "IrDA Link Access Protocol Header"
fields_desc = [ XBitField("Address", 0x7f, 7),
BitEnumField("Type", 1, 1, {"Response":0,
"Command":1})]
class IrLAPCommand(Packet):
name = "IrDA Link Access Protocol Command"
fields_desc = [ XByteField("Control", 0),
XByteField("Format identifier", 0),
XIntField("Source address", 0),
XIntField("Destination address", 0xffffffffL),
XByteField("Discovery flags", 0x1),
ByteEnumField("Slot number", 255, {"final":255}),
XByteField("Version", 0)]
class IrLMP(Packet):
name = "IrDA Link Management Protocol"
fields_desc = [ XShortField("Service hints", 0),
XByteField("Character set", 0),
StrField("Device name", "") ]
bind_layers( CookedLinux, IrLAPHead, proto=23)
bind_layers( IrLAPHead, IrLAPCommand, Type=1)
bind_layers( IrLAPCommand, IrLMP, )
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