mirror of
https://github.com/jokob-sk/NetAlertX.git
synced 2025-12-06 17:15:38 -08:00
152 lines
4.7 KiB
Python
Executable File
152 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import pathlib
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import sys
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import json
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import sqlite3
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import subprocess
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# Define the installation path and extend the system path for plugin imports
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INSTALL_PATH = "/app"
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sys.path.extend([f"{INSTALL_PATH}/front/plugins", f"{INSTALL_PATH}/server"])
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from plugin_helper import Plugin_Object, Plugin_Objects, decodeBase64
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from plugin_utils import get_plugins_configs
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from logger import mylog, Logger
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from const import pluginsPath, fullDbPath, logPath
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from helper import timeNowTZ, get_setting_value
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from messaging.in_app import write_notification
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from database import DB
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from models.device_instance import DeviceInstance
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import conf
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from pytz import timezone
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# Make sure the TIMEZONE for logging is correct
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conf.tz = timezone(get_setting_value('TIMEZONE'))
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# Make sure log level is initialized correctly
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Logger(get_setting_value('LOG_LEVEL'))
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pluginName = 'NBTSCAN'
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# Define the current path and log file paths
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LOG_PATH = logPath + '/plugins'
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LOG_FILE = os.path.join(LOG_PATH, f'script.{pluginName}.log')
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RESULT_FILE = os.path.join(LOG_PATH, f'last_result.{pluginName}.log')
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# Initialize the Plugin obj output file
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plugin_objects = Plugin_Objects(RESULT_FILE)
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def main():
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mylog('verbose', [f'[{pluginName}] In script'])
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# timeout = get_setting_value('NBLOOKUP_RUN_TIMEOUT')
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timeout = 20
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# Create a database connection
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db = DB() # instance of class DB
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db.open()
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# Initialize the Plugin obj output file
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plugin_objects = Plugin_Objects(RESULT_FILE)
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# Create a DeviceInstance instance
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device_handler = DeviceInstance(db)
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# Retrieve devices
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unknown_devices = device_handler.getUnknown()
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mylog('verbose', [f'[{pluginName}] Unknown devices count: {len(unknown_devices)}'])
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# TEST - below is a WINDOWS host IP
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# execute_name_lookup('192.168.1.121', timeout)
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for device in unknown_devices:
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domain_name, dns_server = execute_name_lookup(device['devLastIP'], timeout)
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if domain_name != '':
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plugin_objects.add_object(
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# "MAC", "IP", "Server", "Name"
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primaryId = device['devMac'],
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secondaryId = device['devLastIP'],
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watched1 = dns_server,
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watched2 = domain_name,
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watched3 = '',
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watched4 = '',
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extra = '',
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foreignKey = device['devMac'])
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plugin_objects.write_result_file()
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mylog('verbose', [f'[{pluginName}] Script finished'])
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return 0
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#===============================================================================
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# Execute scan
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#===============================================================================
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def execute_name_lookup (ip, timeout):
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"""
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Execute the NBTSCAN command on IP.
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"""
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args = ['nbtscan', ip]
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# Execute command
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output = ""
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try:
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mylog('verbose', [f'[{pluginName}] DEBUG CMD :', args])
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# try runnning a subprocess with a forced (timeout) in case the subprocess hangs
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output = subprocess.check_output (args, universal_newlines=True, stderr=subprocess.STDOUT, timeout=(timeout), text=True)
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mylog('verbose', [f'[{pluginName}] DEBUG OUTPUT : {output}'])
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domain_name = ''
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dns_server = ''
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# Split the output into lines
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lines = output.splitlines()
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# Look for the first line containing a valid NetBIOS name entry
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index = 0
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for line in lines:
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if 'Doing NBT name scan' not in line and ip in line:
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# Split the line and extract the primary NetBIOS name
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parts = line.split()
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if len(parts) > 1:
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domain_name = parts[1]
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else:
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mylog('verbose', [f'[{pluginName}] ⚠ ERROR - Unexpected output format: {line}'])
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mylog('verbose', [f'[{pluginName}] Domain Name: {domain_name}'])
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return domain_name, dns_server
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except subprocess.CalledProcessError as e:
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# An error occurred, handle it
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# if "NXDOMAIN" in e.output:
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# mylog('verbose', [f'[{pluginName}]', f"No PTR record found for IP: {ip}"])
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# else:
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mylog('verbose', [f'[{pluginName}] ⚠ ERROR - {e.output}'])
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except subprocess.TimeoutExpired as timeErr:
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mylog('verbose', [f'[{pluginName}] TIMEOUT - the process forcefully terminated as timeout reached'])
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if output == "": # check if the subprocess failed
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mylog('verbose', [f'[{pluginName}] Scan: FAIL - check logs'])
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else:
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mylog('verbose', [f'[{pluginName}] Scan: SUCCESS'])
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return '', ''
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if __name__ == '__main__':
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main()
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