Files
pwnagotchi/pwnagotchi/plugins/default/bluetoothsniffer.py
Jeroen Oudshoorn fd0a9afc51 v2.4.1
Signed-off-by: Jeroen Oudshoorn <oudshoorn.jeroen@gmail.com>
2023-09-18 10:55:35 +02:00

177 lines
8.1 KiB
Python

import logging
import os
import subprocess
import json
import time
import pwnagotchi.plugins as plugins
import pwnagotchi.ui.fonts as fonts
from pwnagotchi.ui.components import LabeledValue
from pwnagotchi.ui.view import BLACK
from datetime import datetime
class BluetoothSniffer(plugins.Plugin):
__author__ = 'diytechtinker'
__version__ = '0.1.3'
__license__ = 'GPL3'
__description__ = 'A plugin that sniffs Bluetooth devices and saves their MAC addresses, name and counts to a JSON file'
def __init__(self):
# Defining the instance variables
self.options = {
'timer': 45,
'devices_file': '/root/handshakes/bluetooth_devices.json',
'count_interval': 86400,
'bt_x_coord': 160,
'bt_y_coord': 66
}
self.data = {}
self.last_scan_time = 0
def on_loaded(self):
logging.info("[BtS] bluetoothsniffer plugin loaded.")
logging.info("[BtS] Bluetooth devices file location: %s", self.options['devices_file'])
# Creating the device file path if it does not exist
if not os.path.exists(os.path.dirname(self.options['devices_file'])):
os.makedirs(os.path.dirname(self.options['devices_file']))
# Creating the device file if it does not exist
if not os.path.exists(self.options['devices_file']):
with open(self.options['devices_file'], 'w') as f:
json.dump({}, f)
# Loading the data from the device file
with open(self.options['devices_file'], 'r') as f:
self.data = json.load(f)
def on_ui_setup(self, ui):
with ui._lock:
ui.add_element('BtS', LabeledValue(color=BLACK,
label='BT SNFD',
value=" ",
position=(int(self.options["bt_x_coord"]),
int(self.options["bt_y_coord"])),
label_font=fonts.Small,
text_font=fonts.Small))
def on_unload(self, ui):
with ui._lock:
ui.remove_element('BtS')
def on_ui_update(self, ui):
current_time = time.time()
# Checking the time elapsed since last scan
if current_time - self.last_scan_time >= self.options['timer']:
self.last_scan_time = current_time
# logging.info("[BtS] Bluetooth sniffed: %s", str(self.bt_sniff_info()))
ui.set('BtS', str(self.bt_sniff_info()))
self.scan(ui)
# Method for scanning the nearby bluetooth devices
def scan(self, display):
logging.info("[BtS] Scanning for bluetooths...")
current_time = time.time()
changed = False
# Running the system command hcitool to scan nearby bluetooth devices
cmd_inq = "hcitool inq --flush"
try:
inq_output = subprocess.check_output(cmd_inq.split())
except subprocess.CalledProcessError as e:
logging.error("[BtS] Error running command: %s", e)
for line in inq_output.splitlines()[1:]:
fields = line.split()
mac_address = fields[0].decode()
for i in range(len(fields)):
if fields[i].decode() == "class:" and i+1 < len(fields):
device_class = fields[i+1].decode()
logging.info("[BtS] Found bluetooth %s", mac_address)
# Update the count, first_seen, and last_seen time of the device
if mac_address in self.data and len(self.data) > 0:
if 'Unknown' == self.data[mac_address]['name']:
name = self.get_device_name(mac_address)
self.data[mac_address]['name'] = name
self.data[mac_address]['new_info'] = 2
logging.info("[BtS] Updated bluetooth name: %s", name)
changed = True
if 'Unknown' == self.data[mac_address]['manufacturer']:
manufacturer = self.get_device_manufacturer(mac_address)
self.data[mac_address]['manufacturer'] = manufacturer
self.data[mac_address]['new_info'] = 2
logging.info("[BtS] Updated bluetooth manufacturer: %s", manufacturer)
changed = True
if device_class != self.data[mac_address]['class']:
self.data[mac_address]['class'] = device_class
self.data[mac_address]['new_info'] = 2
logging.info("[BtS] Updated bluetooth class: %s", device_class)
changed = True
last_seen_time = int(datetime.strptime(self.data[mac_address]['last_seen'], '%H:%M:%S %d-%m-%Y').timestamp())
if current_time - last_seen_time >= self.options['count_interval']:
self.data[mac_address]['count'] += 1
self.data[mac_address]['last_seen'] = time.strftime('%H:%M:%S %d-%m-%Y', time.localtime(current_time))
self.data[mac_address]['new_info'] = 2
logging.info("[BtS] Updated bluetooth count.")
changed = True
else:
name = self.get_device_name(mac_address)
manufacturer = self.get_device_manufacturer(mac_address)
self.data[mac_address] = {'name': name, 'count': 1, 'class': device_class, 'manufacturer': manufacturer, 'first_seen': time.strftime('%H:%M:%S %d-%m-%Y', time.localtime(current_time)), 'last_seen': time.strftime('%H:%M:%S %d-%m-%Y', time.localtime(current_time)), 'new_info': True}
logging.info("[BtS] Added new bluetooth device %s with MAC: %s", name, mac_address)
changed = True
# Save the updated devices to the JSON file
if changed:
with open(self.options['devices_file'], 'w') as f:
logging.info("[BtS] Saving bluetooths %s into json.", name)
json.dump(self.data, f)
display.set('status', 'Bluetooth sniffed and stored!')
display.update(force=True)
# Method to get the device name
def get_device_name(self, mac_address):
logging.info("[BtS] Trying to get name for %s", mac_address)
name = 'Unknown'
hcitool_process = subprocess.Popen(["hcitool", "name", mac_address], stdout=subprocess.PIPE)
output, error = hcitool_process.communicate()
if output.decode().strip() != '':
name = output.decode().strip()
logging.info("[BtS] Got name %s for %s", name, mac_address)
return name
# Method to get the device manufacturer
def get_device_manufacturer(self, mac_address):
manufacturer = 'Unknown'
cmd_info = f"hcitool info {mac_address} | grep 'Manufacturer:' | cut -d ' ' -f 2-"
try:
logging.info("[BtS] Trying to get manufacturer for %s", mac_address)
start_time = time.time()
process = subprocess.Popen(cmd_info, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
while process.poll() is None:
time.sleep(0.1)
if time.time() - start_time > 7:
logging.info("[BtS] Timeout while trying to get manufacturer for %s", mac_address)
process.kill()
return manufacturer
output, error = process.communicate(timeout=1)
if output.decode().strip() != '':
manufacturer = output.decode().strip()
logging.info("[BtS] Got manufacturer %s for %s", manufacturer, mac_address)
except Exception as e:
logging.info("[BtS] Error while trying to get manufacturer for %s: %s", mac_address, str(e))
return manufacturer
def bt_sniff_info(self):
num_devices = len(self.data)
if num_devices > 0:
num_unknown = sum(1 for device in self.data.values() if device['name'] == 'Unknown' or device['manufacturer'] == 'Unknown')
num_known = num_devices - num_unknown
return_text = "%s|%s" % (num_devices, num_known)
else:
return_text = "0|0"
return return_text