def send_notification(self):
try:
from systemd.daemon import notify
event = threading.Event()
# send first notification on init
logger.debug('[Watchdog]... everything is ok')
notify('WATCHDOG=1')
while not event.wait(self.interval - 1):
main_thread_alive = threading.main_thread().is_alive()
logger.debug(
'[Watchdog] is alive {}'.format(main_thread_alive))
if main_thread_alive:
logger.debug('[Watchdog]...')
url = settings.config_http['bind']
resp = requests.get(url)
if resp.status_code == 200:
logger.debug('[Watchdog] everything is ok')
notify('WATCHDOG=1')
else:
logger.warning(
f'[Watchdog] Watchdog not sent. Response status: {resp.status_code}; '
f'Response: {resp.__dict__}')
else:
logger.critical(f'[Watchdog] Main thread is not alive.')
except (KeyError, TypeError, ValueError):
logger.info('[Watchdog] not enabled, keep_alive missing')
except ImportError:
logger.warn('[Watchdog] systemd not imported {}'.format(
traceback.format_exc(limit=5)))
except:
logger.alert('[Watchdog] Unexpected exception {}'.format(
traceback.format_exc(limit=5)))
def serve_socket(self, sock, info):
while True:
try:
rcv = sock.recv(1024).decode('utf-8')
self.recv_callback(rcv)
except Exception as e:
self.socks.remove(sock)
logger.critical(str(e), extra=self.log_extra)
def run(self):
while True:
try:
geo_frame = self.frm_queue.get()
self.parse_frame(geo_frame)
except queue.Full:
pass
except Exception as e:
logger.critical('{}'.format(str(e)), extra=self.log_extra)
def dispatch(self, frame):
beacon_sample_itvl = 1 / CFG['DOT11'].getfloat('beacon_sample_rate')
data_sample_itvl = 1 / CFG['DOT11'].getfloat('data_sample_rate')
mgmt_sample_itvl = 1 / CFG['DOT11'].getfloat('mgmt_sample_rate')
ctrl_sample_itvl = 1 / CFG['DOT11'].getfloat('ctrl_sample_rate')
# Only parse 802.11 frames
if Dot11 not in frame.layers() and Dot11FCS not in frame.layers():
return
sts = FrameSubType.get_type_subtype(frame) # type/sub_type
# only location within 10 seconds is valid
geo = None
if self.crnt_location['timestamp'] is not None:
interval = time.time() - self.crnt_location['timestamp']
if 0 <= interval <= 10:
geo = {'longitude': self.crnt_location['longitude'],
'latitude': self.crnt_location['latitude']}
geo_frame = GeoFrame(frame, geo, datetime.now())
try:
# Beacon frames are handled independently because it is too
# frequent
if sts == FrameSubType.BEACON:
if self.frame_counters['beacon'] >= beacon_sample_itvl:
self.frm_queues['beacon'].put_nowait(geo_frame)
self.frame_counters['beacon'] = 0
else:
self.frame_counters['beacon'] += 1
self.log_frame_counters['beacon'] += 1
elif sts == FrameSubType.PROBE_REQ:
self.frm_queues['probe_req'].put_nowait(geo_frame)
self.log_frame_counters['probe_req'] += 1
elif sts in FrameSubType.MGMT:
if self.frame_counters['mgmt'] >= mgmt_sample_itvl:
self.frm_queues['mgmt'].put_nowait(geo_frame)
self.frame_counters['mgmt'] = 0
else:
self.frame_counters['mgmt'] += 1
self.log_frame_counters['mgmt'] += 1
elif sts in FrameSubType.CTRL:
if self.frame_counters['ctrl'] >= ctrl_sample_itvl:
self.frm_queues['ctrl'].put_nowait(geo_frame)
self.frame_counters['ctrl'] = 0
else:
self.frame_counters['ctrl'] += 1
self.log_frame_counters['ctrl'] += 1
elif sts in FrameSubType.DATA:
if self.frame_counters['data'] >= data_sample_itvl:
self.frm_queues['data'].put_nowait(geo_frame)
self.frame_counters['data'] = 0
else:
self.frame_counters['data'] += 1
self.log_frame_counters['data'] += 1
except queue.Full:
pass
except Exception as e:
logger.critical('{}'.format(str(e)), extra=self.log_extra)
def __init__(self, deviceId=0, loops=1):
"""Initialize scanner."""
self.deviceId = deviceId
self.loops = loops
try:
self.sock = bluez.hci_open_dev(self.deviceId)
blescan.hci_le_set_scan_parameters(self.sock)
blescan.hci_enable_le_scan(self.sock)
except Exception, e:
logger.critical('Scan failed: {}'.format(str(e)))
print e
def start_refresher():
"""Refreshes the access token 2 days before expiry"""
logger.debug('Starting token refresh thread ...')
try:
expiry_t = parser.parse(settings.block['expires'])
current_t = datetime.now(tz.gettz(expiry_t.tzname()))
time_diff = (expiry_t - current_t).total_seconds()
refresh_after = time_diff - 86400 * 2
timer = threading.Timer(refresh_after, renew_token)
timer.daemon = True
timer.start()
except Exception:
logger.critical("Token expiry check - thread failed {}".format(
traceback.format_exc(limit=5)))
os._exit(1)
def launch_server(self):
logger.notice('Starting TCP server')
tcp_settings = settings.config_tcp
if 'ip_address' not in self.tcp_settings or 'port' not in self.tcp_settings:
raise TCPServerNotFoundException(
"TCP server address or port not found in config file")
# Create a TCP/IP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# Bind the socket to the port
server_address = (self.tcp_settings['ip_address'],
int(self.tcp_settings['port']))
logger.info(
f'starting up on {server_address[0]} port {server_address[1]}')
try:
sock.bind(server_address)
# Listen for incoming connections
sock.listen(1)
thread_list = []
while True:
if len(thread_list) >= self.tcp_settings.get(
'thread_pool_limit', DEFAULT_TCP_POOL_LIMIT):
self._clear_threads(thread_list)
# Wait for a connection
logger.info('Waiting for connection')
connection, client_address = sock.accept()
thread_ = threading.Thread(target=self.handle_connection,
args=(connection, client_address))
thread_.start()
thread_list.append(thread_)
self._clear_threads(thread_list)
except OSError as e:
logger.critical(
f"Error connecting TCP. Probably because address already in use. "
f"Will try to reconnect in {self.retry_wait}; Error: {e}")
except Exception as e:
logger.alert(
f"Unexpected error while open TCP socket: {e}; {traceback.format_exc(limit=5)}"
)
finally:
time.sleep(self.retry_wait)
logger.warning("Recreating TCP server")
self.kickoff()
def get_implementer():
try:
_spec = util.spec_from_file_location("implementor",
settings.skeleton_path)
_module = util.module_from_spec(_spec)
_spec.loader.exec_module(_module)
for _name, _obj in inspect.getmembers(_module):
try:
if inspect.isclass(_obj) and issubclass(
_obj, (skeleton_device.SkeletonDevice,
skeleton_application.SkeletonApplication)):
logger.debug("Implementation class found: {}".format(_obj))
return _obj()
except TypeError:
continue
raise ImplementorNotFound
except Exception:
logger.critical(
f"Failed to find Skeleton implementer class {traceback.format_exc(limit=5)}, "
f"check for missing abstract methods")
os._exit(1)
def run(self):
while True:
try:
while True:
event = self.event_queue.get()
# continue
if event.type == Dot11Event.MAC:
self.event_counters['MAC'] += 1
if self.handle_mac(event):
self.event_counters['MAC_new'] += 1
elif event.type == Dot11Event.SSID:
self.event_counters['SSID'] += 1
if self.handle_ssid(event):
self.event_counters['SSID_new'] += 1
elif event.type == Dot11Event.GEO:
self.event_counters['GEO'] += 1
if self.handle_geo(event):
self.event_counters['GEO_new'] += 1
elif event.type == Dot11Event.ASSOCIATION:
self.event_counters['ASSOCIATION'] += 1
if self.handle_association(event):
self.event_counters['ASSOCIATION_new'] += 1
except Exception as e:
logger.critical('{}'.format(str(e)), extra=self.log_extra)
def send_latest_captures_sys_status(self):
data = dict()
sql_mac = 'SELECT HEX(addr), last_seen FROM mac order by last_seen desc LIMIT 1'
sql_ssid = 'SELECT ssid, last_seen FROM ap order by last_seen desc LIMIT 1'
sql_association = 'SELECT HEX(mac.addr), ap.ssid, ' \
'association.last_seen FROM association JOIN mac ' \
'JOIN ap WHERE mac.id=association.mac_id AND ' \
'ap.id=association.ap_id ORDER BY ' \
'association.last_seen DESC LIMIT 1'
sql_mac_count = 'SELECT COUNT(id) FROM mac'
sql_ap_count = 'SELECT COUNT(id) FROM ap'
sql_association_count = 'SELECT COUNT(id) FROM association'
sql_geo_count = 'SELECT COUNT(id) FROM geo'
try:
db_conn, db_cursor = Dot11HunterUtils.connect_db()
data['mac'] = self.fetch_data_with_lastseen(db_cursor, sql_mac)
data['ssid'] = self.fetch_data_with_lastseen(db_cursor, sql_ssid)
db_cursor.execute(sql_association)
row = db_cursor.fetchall()
if row:
mac, ssid, date = row[0]
if time.time() - date.timestamp() < 60:
data['association'] = '{} <-> {}'.format(mac, ssid)
else:
data['association'] = None
data['mac_count'] = self.fetch_data(db_cursor, sql_mac_count)
data['ap_count'] = self.fetch_data(db_cursor, sql_ap_count)
data['geo_count'] = self.fetch_data(db_cursor, sql_geo_count)
data['association_count'] = self.fetch_data(db_cursor,
sql_association_count)
db_conn.close()
data['cpu_usage'], data['mem_usage'], data['temperature'] = \
Dot11HunterUtils.get_sys_status()
self.bt_server.send(json.dumps(data))
except Exception as e:
logger.critical(str(e), extra=self.log_extra)
def run(self):
try:
self.get_available_channels()
self.switch_channel()
except Exception as e:
logger.critical(str(e), extra=self.log_extra)
