41 lines
1.1 KiB
Python
Executable File
41 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import print_function
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# LoRa PHYdecoder - parse LoRa PHY decoded by gr-lora
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# Copyright (C) 2020 Sebastien Dudek (@FlUxIuS) at @PentHertz
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from layers import LoRa
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from scapy.layers.inet import UDP
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from scapy.sendrecv import sniff
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import argparse
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def decodePHY(pkt):
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decoded = LoRa(pkt[UDP].load)
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print (repr(decoded))
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def filterpkt(pkt, port):
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if pkt.haslayer(UDP):
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if pkt[UDP].dport == port:
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return True
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return False
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description='Monitor and decode MAC PHY packets.')
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parser.add_argument('-p', '--port', dest='port', default=40868,
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help='TAP PORT to listen on (default: UDP 40868)')
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parser.add_argument('-i', '--iface', dest='iface', default='lo',
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help='Interface to monitor (default: local)')
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args = parser.parse_args()
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iface = args.iface
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port = int(args.port)
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sniff(prn=decodePHY,
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lfilter=lambda pkt: filterpkt(pkt, port),
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iface=iface)
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