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debug deconstructor added

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n0mjs710 2020-02-11 14:38:05 -06:00
parent 3a0dfc4d36
commit f0a8a881c2
2 changed files with 282 additions and 0 deletions
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87
deconstructor.cfg Executable file
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# THIS IS A SPECIAL VERSION OF hblink.cfg FOR USE WITH
# hb_deconstructor.py. TO MAKE IT EASIER TO USE THE
# DECONSTRUCTOR, IT WILL DEFAULT TO USE THIS CONFIG FILE
# THIS IS NOT INTENDED FOR NOVICES. DON'T TRY TO USE
# THIS AND POST FOR HELP ON THE DVSWITCH FORUMS. CONTACT
# THE AUTHOR DIRECTLY.
[GLOBAL]
PATH: ./
PING_TIME: 5
MAX_MISSED: 3
USE_ACL: True
REG_ACL: PERMIT:ALL
SUB_ACL: DENY:1
TGID_TS1_ACL: PERMIT:ALL
TGID_TS2_ACL: PERMIT:ALL
[REPORTS]
REPORT: False
REPORT_INTERVAL: 60
REPORT_PORT: 4321
REPORT_CLIENTS: 127.0.0.1
[LOGGER]
LOG_FILE:
LOG_HANDLERS: console-timed
LOG_LEVEL: INFO
LOG_NAME: DECON
[ALIASES]
TRY_DOWNLOAD: False
PATH: ./
PEER_FILE: peer_ids.json
SUBSCRIBER_FILE: subscriber_ids.json
TGID_FILE: talkgroup_ids.json
PEER_URL:
SUBSCRIBER_URL:
STALE_DAYS: 10000
[MASTER]
MODE: MASTER
ENABLED: False
REPEAT: True
MAX_PEERS: 10
EXPORT_AMBE: False
IP:
PORT: 62071
PASSPHRASE: 1234
GROUP_HANGTIME: 5
USE_ACL: False
REG_ACL: PERMIT:ALL
SUB_ACL: PERMIT:ALL
TGID_TS1_ACL: PERMIT:ALL
TGID_TS2_ACL: PERMIT:ALL
[PEER]
MODE: PEER
ENABLED: True
LOOSE: False
EXPORT_AMBE: False
IP:
PORT: 54001
MASTER_IP: olympic.k0usy.org
MASTER_PORT: 62071
PASSPHRASE: c0ffee
CALLSIGN: DECONSTRUCTOR
RADIO_ID: 666
RX_FREQ: 444000001
TX_FREQ: 444000000
TX_POWER: 1
COLORCODE: 1
SLOTS: 3
LATITUDE: 000.0000
LONGITUDE: -000.0000
HEIGHT: 1
LOCATION: Anywhere, USA
DESCRIPTION: HBP/DMR Deconstructor
URL: www.w1abc.org
SOFTWARE_ID: 20170620
PACKAGE_ID: MMDVM_HBlink
GROUP_HANGTIME: 5
OPTIONS:
USE_ACL: False
SUB_ACL: PERMIT:ALL
TGID_TS1_ACL: PERMIT:ALL
TGID_TS2_ACL: PERMIT:ALL

195
desconstructor.py Executable file
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#!/usr/bin/env python
#
###############################################################################
# Copyright (C) 2016-2019 Cortney T. Buffington, N0MJS <n0mjs@me.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
###############################################################################
'''
This tool listens to network traffic and breaks apart HBP and DMR packets.
It is a development and debugging tool and has no purpose in actual production
DMR networking systems.
'''
# Python modules we need
from binascii import b2a_hex as bhex
from bitarray import bitarray
# Twisted is pretty important, so I keep it separate
from twisted.internet.protocol import Factory, Protocol
from twisted.internet import reactor
# Things we import from the main hblink module
from hblink import HBSYSTEM, systems, hblink_handler
from dmr_utils3.utils import bytes_3, bytes_4, int_id
from dmr_utils3 import bptc
import config
import log
from const import *
# REMOVE LATER from datetime import datetime
# The module needs logging, but handlers, etc. are controlled by the parent
import logging
logger = logging.getLogger(__name__)
# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2016-2019 Cortney T. Buffington, N0MJS and the K0USY Group'
__license__ = 'GNU GPLv3'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = 'n0mjs@me.com'
DUMP_HBP = False
DUMP_DMR = True
# Module gobal varaibles
class HBP(HBSYSTEM):
def __init__(self, _name, _config, _report):
HBSYSTEM.__init__(self, _name, _config, _report)
self.last_stream = b'\x00\x00\x00\x00'
self.lcfrags = 0
self.lostcount = 0
def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data):
pktype = 'UNIDENTIFIED'
if (_frame_type == HBPF_DATA_SYNC) and (_dtype_vseq == HBPF_SLT_VTERM):
pktype = 'VTERM '
if (_frame_type == HBPF_DATA_SYNC) and (_dtype_vseq == HBPF_SLT_VHEAD):
pktype = 'VHEAD '
if (_frame_type == HBPF_VOICE_SYNC):
pktype = 'VOICE SYNC ' + str(_dtype_vseq + 1)
if (_frame_type == HBPF_VOICE):
pktype = 'VOICE ' + str(_dtype_vseq + 1)
if DUMP_HBP:
print('STREAM: {} SEQ: {} PEER: {} SRC: {} DST: {} SLOT: {} CALL: {} FRAME: {} DTYPE: {}'.format(
int_id(_stream_id), int_id(_seq), int_id(_peer_id), int_id(_rf_src), int_id(_dst_id), _slot, pktype, _frame_type, _dtype_vseq
))
if DUMP_DMR:
payload = _data[20:53]
bitload = bitarray(endian='big')
bitload.frombytes(payload)
if pktype == ('VHEAD '):
LC = bptc.decode_full_lc(bitload[:98] + bitload[-98:]).tobytes()
OPT = bhex(LC[0:3])
DST = int_id(LC[3:6])
SRC = int_id(LC[6:9])
ST = bin(int.from_bytes((bitload[98:109] + bitload[-108:-99])[:8].tobytes(), 'big'))
SC = bhex(bitload[108:-108].tobytes())
print('VOICE HEADER: LC:(OPTIONS: {} DEST: {} SOURCE: {}) -- SLOT TYPE: {} -- SYNC: {}'.format(OPT, DST, SRC, ST, SC))
elif pktype == ('VTERM '):
LC = bptc.decode_full_lc(bitload[:98] + bitload[-98:]).tobytes()
OPT = bhex(LC[0:3])
DST = int_id(LC[3:6])
SRC = int_id(LC[6:9])
ST = bin(int.from_bytes((bitload[98:109] + bitload[-108:-99])[:8].tobytes(), 'big'))
SC = bhex(bitload[108:-108].tobytes())
print('VOICE TERMINATOR: LC:(OPTIONS: {} DEST: {} SOURCE: {}) -- SLOT TYPE: {} -- SYNC: {}'.format(OPT, DST, SRC, ST, SC))
elif pktype == ('VOICE SYNC 1'):
self.lcfrags=0
print('Voice Burst A')
BVC = bitload[0:108] + bitload[-108:]
BSC = bitload[108:-108]
self.lcfrags = 0
elif 'VOICE ' in pktype:
print('Voice Burst B-F')
BVC = bitload[0:108] + bitload[-108:]
BEB = bitload[108:116] + bitload[-116:-108]
BES = bitload[116:-116]
print(len(BVC), len(BEB), len(BES))
#************************************************
# MAIN PROGRAM LOOP STARTS HERE
#************************************************
if __name__ == '__main__':
import argparse
import sys
import os
import signal
# Change the current directory to the location of the application
os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))
# CLI argument parser - handles picking up the config file from the command line, and sending a "help" message
parser = argparse.ArgumentParser()
parser.add_argument('-c', '--config', action='store', dest='CONFIG_FILE', help='/full/path/to/config.file (usually deconstructor.cfg)')
parser.add_argument('-l', '--logging', action='store', dest='LOG_LEVEL', help='Override config file logging level.')
cli_args = parser.parse_args()
# Ensure we have a path for the config file, if one wasn't specified, then use the default (top of file)
if not cli_args.CONFIG_FILE:
cli_args.CONFIG_FILE = os.path.dirname(os.path.abspath(__file__))+'/deconstructor.cfg'
# Call the external routine to build the configuration dictionary
CONFIG = config.build_config(cli_args.CONFIG_FILE)
# Start the system logger
if cli_args.LOG_LEVEL:
CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL
logger = log.config_logging(CONFIG['LOGGER'])
logger.info('\n\nCopyright (c) 2013, 2014, 2015, 2016, 2018, 2019\n\tThe Regents of the K0USY Group. All rights reserved.\n')
logger.debug('(GLOBAL) Logging system started, anything from here on gets logged')
# Set up the signal handler
def sig_handler(_signal, _frame):
logger.info('(GLOBAL) SHUTDOWN: DECONSTRUCTOR IS TERMINATING WITH SIGNAL %s', str(_signal))
hblink_handler(_signal, _frame)
logger.info('(GLOBAL) SHUTDOWN: ALL SYSTEM HANDLERS EXECUTED - STOPPING REACTOR')
reactor.stop()
# Set signal handers so that we can gracefully exit if need be
for sig in [signal.SIGINT, signal.SIGTERM]:
signal.signal(sig, sig_handler)
# INITIALIZE THE REPORTING LOOP
report_server = None
# HBlink instance creation
logger.info('(GLOBAL) HBlink \'hbp_deconstructor.py\' -- SYSTEM STARTING...')
for system in CONFIG['SYSTEMS']:
if CONFIG['SYSTEMS'][system]['ENABLED']:
if CONFIG['SYSTEMS'][system]['MODE'] == 'MASTER' or CONFIG['SYSTEMS'][system]['MODE'] == 'PEER':
systems[system] = HBP(system, CONFIG, report_server)
reactor.listenUDP(CONFIG['SYSTEMS'][system]['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['IP'])
logger.debug('(GLOBAL) %s instance created: %s, %s', CONFIG['SYSTEMS'][system]['MODE'], system, systems[system])
def loopingErrHandle(failure):
logger.error('(GLOBAL) STOPPING REACTOR TO AVOID MEMORY LEAK: Unhandled error in timed loop.\n %s', failure)
reactor.stop()
reactor.run()