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#!/usr/bin/env python
import dpkt
import json
from cStringIO import StringIO
from inform import InformSerializer
def go_debug(filename):
arr = lambda x: [ord(i) for i in x]
packet = ser.parse(open('test_files/2.bin'))
return {
"magic": packet.magic_number,
"version": packet.version,
"mac": arr(packet.mac_addr),
"flags": packet.flags,
"iv": arr(packet.iv),
"data_version": packet.data_version,
"data_len": packet.data_length,
"raw_payload": json.packet.raw_payload,
"formatted_mac": packet.formatted_mac_addr,
"is_enc": packet.is_encrypted,
"is_comp": packet.is_compressed,
}
def collect_records(from_file):
records = []
buffer = StringIO()
for ts, buf in dpkt.pcap.Reader(open(from_file)):
eth = dpkt.ethernet.Ethernet(buf)
data = eth.data.tcp.data.split("\r\n")[-1]
if data.startswith("TNBU") and buffer.tell() != 0:
records.append(buffer.getvalue())
buffer.seek(0)
buffer.write(data)
else:
buffer.write(data)
return records
def make_serializer(from_file):
with open(from_file) as fp:
keystore = { i['mac']: i['x_authkey'] for i in json.load(fp) }
return InformSerializer("", keystore)
if __name__ == "__main__":
ser = make_serializer("devices.json")
for i, data in enumerate(collect_records("mfi.out")):
try:
packet = ser.parse(StringIO(data))
print packet.raw_payload
except ValueError:
pass
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