164 lines
7.4 KiB
Python
Executable File
164 lines
7.4 KiB
Python
Executable File
#!/usr/bin/env python
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#
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###############################################################################
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# Copyright (C) 2016 Cortney T. Buffington, N0MJS <n0mjs@me.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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###############################################################################
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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 import reactor
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from binascii import b2a_hex as h
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import time
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from dmrlink import IPSC, systems
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from dmr_utils.utils import hex_str_3, hex_str_4, int_id, get_alias
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2013, 2014 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = 'Adam Fast, KC0YLK, Dave Kierzkowski, KD8EYF'
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__license__ = 'GNU GPLv3'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__email__ = 'n0mjs@me.com'
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class logIPSC(IPSC):
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def __init__(self, _name, _config, _logger):
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IPSC.__init__(self, _name, _config, _logger)
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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 group_voice(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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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_alias(_dst_sub, talkgroup_ids)
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_peerid = get_alias(_peerid, peer_ids)
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_src_sub = get_alias(_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 _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, self._system, _end, _peerid, _src_sub, _dst_sub, _ts))
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def private_voice(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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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_alias(_dst_sub, subscriber_ids)
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_peerid = get_alias(_peerid, peer_ids)
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_src_sub = get_alias(_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, self._system, _end, _peerid, _src_sub, _dst_sub, _ts))
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def group_data(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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_dst_sub = get_alias(_dst_sub, talkgroup_ids)
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_peerid = get_alias(_peerid, peer_ids)
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_src_sub = get_alias(_src_sub, subscriber_ids)
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print('({}) Group Data Packet Received From: {}' .format(self._system, _src_sub))
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def private_data(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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_dst_sub = get_alias(_dst_sub, subscriber_ids)
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_peerid = get_alias(_peerid, peer_ids)
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_src_sub = get_alias(_src_sub, subscriber_ids)
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print('({}) Private Data Packet Received From: {} To: {}' .format(self._system, _src_sub, _dst_sub))
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if __name__ == '__main__':
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import argparse
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import os
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import sys
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import signal
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from dmr_utils.utils import try_download, mk_id_dict
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import dmrlink_log
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import dmrlink_config
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# Change the current directory to the location of the application
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os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))
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# CLI argument parser - handles picking up the config file from the command line, and sending a "help" message
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parser = argparse.ArgumentParser()
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parser.add_argument('-c', '--config', action='store', dest='CFG_FILE', help='/full/path/to/config.file (usually dmrlink.cfg)')
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cli_args = parser.parse_args()
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if not cli_args.CFG_FILE:
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cli_args.CFG_FILE = os.path.dirname(os.path.abspath(__file__))+'/dmrlink.cfg'
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# Call the external routine to build the configuration dictionary
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CONFIG = dmrlink_config.build_config(cli_args.CFG_FILE)
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# Call the external routing to start the system logger
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logger = dmrlink_log.config_logging(CONFIG['LOGGER'])
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logger.info('DMRlink \'log.py\' (c) 2013, 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')
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# ID ALIAS CREATION
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# Download
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if CONFIG['ALIASES']['TRY_DOWNLOAD'] == True:
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# Try updating peer aliases file
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result = try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'], CONFIG['ALIASES']['PEER_URL'], CONFIG['ALIASES']['STALE_TIME'])
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logger.info(result)
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# Try updating subscriber aliases file
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result = try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'], CONFIG['ALIASES']['SUBSCRIBER_URL'], CONFIG['ALIASES']['STALE_TIME'])
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logger.info(result)
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# Make Dictionaries
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peer_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'])
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if peer_ids:
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logger.info('ID ALIAS MAPPER: peer_ids dictionary is available')
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subscriber_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'])
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if subscriber_ids:
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logger.info('ID ALIAS MAPPER: subscriber_ids dictionary is available')
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talkgroup_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['TGID_FILE'])
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if talkgroup_ids:
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logger.info('ID ALIAS MAPPER: talkgroup_ids dictionary is available')
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# Shut ourselves down gracefully with the IPSC peers.
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def sig_handler(_signal, _frame):
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logger.info('*** DMRLINK IS TERMINATING WITH SIGNAL %s ***', str(_signal))
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for system in systems:
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this_ipsc = systems[system]
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logger.info('De-Registering from IPSC %s', system)
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de_reg_req_pkt = this_ipsc.hashed_packet(this_ipsc._local['AUTH_KEY'], this_ipsc.DE_REG_REQ_PKT)
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this_ipsc.send_to_ipsc(de_reg_req_pkt)
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reactor.stop()
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# Set signal handers so that we can gracefully exit if need be
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for sig in [signal.SIGTERM, signal.SIGINT, signal.SIGQUIT]:
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signal.signal(sig, sig_handler)
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# INITIALIZE AN IPSC OBJECT (SELF SUSTAINING) FOR EACH CONFIGUED IPSC
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for system in CONFIG['SYSTEMS']:
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if CONFIG['SYSTEMS'][system]['LOCAL']['ENABLED']:
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systems[system] = logIPSC(system, CONFIG, logger)
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reactor.listenUDP(CONFIG['SYSTEMS'][system]['LOCAL']['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['LOCAL']['IP'])
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reactor.run() |