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44 lines
1.3 KiB
44 lines
1.3 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import scapy.all as scapy
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import scapy.contrib.modbus as mb
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def decode(pkt):
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prt=0
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addr,value = "",""
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bigL = [ ]
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global miniL
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f=open("truc.txt","w")
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if "ModbusADU" in pkt:
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grPkt=pkt["ModbusADU"].show(dump=True)
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lPkt=grPkt.splitlines()
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for i in lPkt:
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if "###" in i:
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#if addr!="" and value!="":
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#print("addr=",addr,"value=",value)
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prt=0
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typResp=""
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if "Coil" in i:
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prt=1
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miniL[0] = "c"
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elif "Register" in i:
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prt=2
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miniL[0] = "r"
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#if prt==1:
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#print(i)
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elif "startAddr" in i or "outputAddr" in i or "registerAddr" in i:
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miniL[1] = i[i.find("=")+2:]
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#print(addr)
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elif "coilStatus" in i or "registerVal=" in i or "outputsValue" in i:
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miniL[2] = i[i.find("[")+1:i.rfind("]")]
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#print("value= ",value," addr= ",addr)
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elif "outputValue" in i or "quantityOutput" in i or "registerValue" in i:
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miniL[2] = i[i.find("=")+2:]
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if miniL.count(0)==0:
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print(miniL)
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miniL = [0,0,0]
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miniL = [0,0,0]
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scapy.sniff(iface="lo", prn=decode)
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