#! /usr/bin/env python # scapy.contrib.description = Cisco Discovery Protocol # scapy.contrib.status = loads ############################################################################# ## ## ## cdp.py --- Cisco Discovery Protocol (CDP) extension for Scapy ## ## ## ## Copyright (C) 2006 Nicolas Bareil ## ## Arnaud Ebalard ## ## EADS/CRC security team ## ## ## ## This program is free software; you can redistribute it and/or modify it ## ## under the terms of the GNU General Public License version 2 as ## ## published by the Free Software Foundation; version 2. ## ## ## ## This program is distributed in the hope that it will be useful, but ## ## WITHOUT ANY WARRANTY; without even the implied warranty of ## ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## ## General Public License for more details. ## ## ## ############################################################################# from scapy.packet import * from scapy.fields import * from scapy.layers.inet6 import * ##################################################################### # Helpers and constants ##################################################################### # CDP TLV classes keyed by type _cdp_tlv_cls = { 0x0001: "CDPMsgDeviceID", 0x0002: "CDPMsgAddr", 0x0003: "CDPMsgPortID", 0x0004: "CDPMsgCapabilities", 0x0005: "CDPMsgSoftwareVersion", 0x0006: "CDPMsgPlatform", 0x0007: "CDPMsgIPPrefix", 0x0008: "CDPMsgProtoHello", 0x0009: "CDPMsgVTPMgmtDomain", # CDPv2 0x000a: "CDPMsgNativeVLAN", # CDPv2 0x000b: "CDPMsgDuplex", # # 0x000c: "CDPMsgGeneric", # 0x000d: "CDPMsgGeneric", 0x000e: "CDPMsgVoIPVLANReply", 0x000f: "CDPMsgVoIPVLANQuery", 0x0010: "CDPMsgPower", 0x0011: "CDPMsgMTU", # 0x0012: "CDPMsgTrustBitmap", # 0x0013: "CDPMsgUntrustedPortCoS", # 0x0014: "CDPMsgSystemName", # 0x0015: "CDPMsgSystemOID", 0x0016: "CDPMsgMgmtAddr", # 0x0017: "CDPMsgLocation", 0x0019: "CDPMsgUnknown19", # 0x001a: "CDPPowerAvailable" } _cdp_tlv_types = { 0x0001: "Device ID", 0x0002: "Addresses", 0x0003: "Port ID", 0x0004: "Capabilities", 0x0005: "Software Version", 0x0006: "Platform", 0x0007: "IP Prefix", 0x0008: "Protocol Hello", 0x0009: "VTP Mangement Domain", # CDPv2 0x000a: "Native VLAN", # CDPv2 0x000b: "Duplex", # 0x000c: "CDP Unknown command (send us a pcap file)", 0x000d: "CDP Unknown command (send us a pcap file)", 0x000e: "VoIP VLAN Reply", 0x000f: "VoIP VLAN Query", 0x0010: "Power", 0x0011: "MTU", 0x0012: "Trust Bitmap", 0x0013: "Untrusted Port CoS", 0x0014: "System Name", 0x0015: "System OID", 0x0016: "Management Address", 0x0017: "Location", 0x0018: "CDP Unknown command (send us a pcap file)", 0x0019: "CDP Unknown command (send us a pcap file)", 0x001a: "Power Available"} def _CDPGuessPayloadClass(p, **kargs): cls = conf.raw_layer if len(p) >= 2: t = struct.unpack("!H", p[:2])[0] clsname = _cdp_tlv_cls.get(t, "CDPMsgGeneric") cls = globals()[clsname] return cls(p, **kargs) class CDPMsgGeneric(Packet): name = "CDP Generic Message" fields_desc = [ XShortEnumField("type", None, _cdp_tlv_types), FieldLenField("len", None, "val", "!H"), StrLenField("val", "", length_from=lambda x:x.len - 4) ] def guess_payload_class(self, p): return conf.padding_layer # _CDPGuessPayloadClass class CDPMsgDeviceID(CDPMsgGeneric): name = "Device ID" type = 0x0001 _cdp_addr_record_ptype = {0x01: "NLPID", 0x02: "802.2"} _cdp_addrrecord_proto_ip = "\xcc" _cdp_addrrecord_proto_ipv6 = "\xaa\xaa\x03\x00\x00\x00\x86\xdd" class CDPAddrRecord(Packet): name = "CDP Address" fields_desc = [ ByteEnumField("ptype", 0x01, _cdp_addr_record_ptype), 
#!/usr/bin/env python

# http://trac.secdev.org/scapy/ticket/301

# scapy.contrib.description = RIPng
# scapy.contrib.status = loads

from scapy.packet import *
from scapy.fields import *
from scapy.layers.inet import UDP
from scapy.layers.inet6 import *

class RIPng(Packet):
    name = "RIPng header"
    fields_desc = [
                    ByteEnumField("cmd", 1, {1 : "req", 2 : "