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