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Randomisation of the Stream ID

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This commit is contained in:
Andy Taylor 2019-06-19 14:49:52 +00:00
parent aa7fea86ba
commit bce4e01775
1 changed files with 6 additions and 3 deletions
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9
hblink.py
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@ -33,7 +33,7 @@ from binascii import a2b_hex as bhex
from random import randint
from hashlib import sha256, sha1
from hmac import new as hmac_new, compare_digest
from time import time
from time import time, sleep
from collections import deque
# Twisted is pretty important, so I keep it separate
@ -294,7 +294,9 @@ class HBSYSTEM(DatagramProtocol):
radio3 = int.from_bytes(radio, 'big').to_bytes(3, 'big')
radio4 = int.from_bytes(radio, 'big').to_bytes(4, 'big')
xlx3 = xlx.to_bytes(3, 'big')
streamid = bytearray.fromhex('6df88f36')
streamid = randint(0,255).to_bytes(1, 'big')+randint(0,255).to_bytes(1, 'big')+randint(0,255).to_bytes(1, 'big')+randint(0,255).to_bytes(1, 'big')
# Wait for .5 secs for the XLX to log us in
sleep(.500)
for packetnr in range(5):
if packetnr < 3:
# First 3 packets, voice start, stream type e1
@ -307,9 +309,10 @@ class HBSYSTEM(DatagramProtocol):
packetnr1 = packetnr.to_bytes(1, 'big')
strmtype1 = strmtype.to_bytes(1, 'big')
_packet = b''.join([DMRD, packetnr1, radio3, xlx3, radio4, strmtype1, streamid, payload])
sleep(.100)
self.transport.write(_packet, mastersock)
# KEEP THE FOLLOWING COMMENTED OUT UNLESS YOU'RE DEBUGGING DEEPLY!!!!
#logger.info('(%s) XLX Module Change Packet: %s', self._system, ahex(_packet))
#logger.debug('(%s) XLX Module Change Packet: %s', self._system, ahex(_packet))
return
def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data):