128 lines
5.5 KiB
Python
Executable File
128 lines
5.5 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2013 Cortney T. Buffington, N0MJS and the K0USY Group. n0mjs@me.com
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#
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# This work is licensed under the Creative Commons Attribution-ShareAlike
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# 3.0 Unported License.To view a copy of this license, visit
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# http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
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# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
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# California, 94041, USA.
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# This is a sample application that snoops voice traffic to log calls
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from __future__ import print_function
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from twisted.internet.protocol import DatagramProtocol
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from twisted.internet import reactor
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from twisted.internet import task
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from binascii import b2a_hex as h
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import struct
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import time
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import binascii
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import dmrlink
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from dmrlink import IPSC, UnauthIPSC, NETWORK, networks, get_info, int_id, subscriber_ids, peer_ids, talkgroup_ids, logger
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class logIPSC(IPSC):
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def __init__(self, *args, **kwargs):
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IPSC.__init__(self, *args, **kwargs)
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self.ACTIVE_CALLS = []
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#************************************************
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# CALLBACK FUNCTIONS FOR USER PACKET TYPES
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#************************************************
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def call_mon_origin(self, _network, _data):
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print('({}) Repeater Call Monitor Origin Packet Received From: {}' .format(_network, _src_sub))
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def call_mon_rpt(self, _network, _data):
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print('({}) Repeater Call Monitor Repeating Packet Received' .format(_network))
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def call_mon_nack(self, _network, _data):
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print('({}) Repeater Call Monitor NACK Packet Received' .format(_network))
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def xcmp_xnl(self, _network, _data):
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print('({}) XCMP/XNL Packet Received From: {}' .format(_network, h(_data)))
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def group_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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# _log = logger.debug
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''' RSSI STUFF IS LIKELY NOT CORRECT!!!
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WILL BE REMOVED IN FUTURE RELEASES
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if _data[30:31] == '\x01':
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rssi1 = struct.unpack('B', _data[-1])[0]
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rssi2 = struct.unpack('B', _data[-2:-1])[0]
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rssi = (rssi1 + (((rssi2*1000)+128)/256000))
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print('RSSI (not quite correct yet): ', rssi)
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'''
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if (_ts not in self.ACTIVE_CALLS) or _end:
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_time = time.strftime('%m/%d/%y %H:%M:%S')
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_dst_sub = get_info(int_id(_dst_sub), talkgroup_ids)
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_peerid = get_info(int_id(_peerid), peer_ids)
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_src_sub = get_info(int_id(_src_sub), subscriber_ids)
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if not _end: self.ACTIVE_CALLS.append(_ts)
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if _end: self.ACTIVE_CALLS.remove(_ts)
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if _ts: _ts = 2
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else: _ts = 1
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if _end: _end = 'END'
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else: _end = 'START'
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print('{} ({}) Call {} Group Voice: \n\tIPSC Source:\t{}\n\tSubscriber:\t{}\n\tDestination:\t{}\n\tTimeslot\t{}' .format(_time, _network, _end, _peerid, _src_sub, _dst_sub, _ts))
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def private_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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# _log = logger.debug
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if (_ts not in self.ACTIVE_CALLS) or _end:
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_time = time.strftime('%m/%d/%y %H:%M:%S')
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_dst_sub = get_info(int_id(_dst_sub), subscriber_ids)
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_peerid = get_info(int_id(_peerid), peer_ids)
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_src_sub = get_info(int_id(_src_sub), subscriber_ids)
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if not _end: self.ACTIVE_CALLS.append(_ts)
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if _end: self.ACTIVE_CALLS.remove(_ts)
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if _ts: _ts = 2
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else: _ts = 1
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if _end: _end = 'END'
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else: _end = 'START'
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print('{} ({}) Call {} Private Voice: \n\tIPSC Source:\t{}\n\tSubscriber:\t{}\n\tDestination:\t{}\n\tTimeslot\t{}' .format(_time, _network, _end, _peerid, _src_sub, _dst_sub, _ts))
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def group_data(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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_dst_sub = get_info(int_id(_dst_sub), talkgroup_ids)
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_peerid = get_info(int_id(_peerid), peer_ids)
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_src_sub = get_info(int_id(_src_sub), subscriber_ids)
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print('({}) Group Data Packet Received From: {}' .format(_network, _src_sub))
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def private_data(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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_dst_sub = get_info(int_id(_dst_sub), subscriber_ids)
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_peerid = get_info(int_id(_peerid), peer_ids)
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_src_sub = get_info(int_id(_src_sub), subscriber_ids)
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print('({}) Private Data Packet Received From: {} To: {}' .format(_network, _src_sub, _dst_sub))
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class logUnauthIPSC(logIPSC):
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# There isn't a hash to build, so just return the data
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#
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def hashed_packet(self, _key, _data):
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return _data
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# Remove the hash from a packet and return the payload... except don't
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#
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def strip_hash(self, _data):
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return _data
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# Everything is validated, so just return True
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#
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def validate_auth(self, _key, _data):
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return True
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if __name__ == '__main__':
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logger.info('DMRlink \'log.py\' (c) 2013 N0MJS & the K0USY Group - SYSTEM STARTING...')
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for ipsc_network in NETWORK:
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if (NETWORK[ipsc_network]['LOCAL']['ENABLED']):
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if NETWORK[ipsc_network]['LOCAL']['AUTH_ENABLED'] == True:
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networks[ipsc_network] = logIPSC(ipsc_network)
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else:
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networks[ipsc_network] = logUnauthIPSC(ipsc_network)
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reactor.listenUDP(NETWORK[ipsc_network]['LOCAL']['PORT'], networks[ipsc_network])
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reactor.run() |