Files
NetAlertX/front/plugins/dhcp_servers/script.py
2023-03-26 09:47:56 +11:00

134 lines
4.9 KiB
Python
Executable File

#!/usr/bin/env python
# Based on the work of https://github.com/leiweibau/Pi.Alert
from __future__ import unicode_literals
from time import sleep, time, strftime
import requests
import pathlib
import threading
import subprocess
import socket
import argparse
import io
import sys
from requests.packages.urllib3.exceptions import InsecureRequestWarning
import pwd
import os
curPath = str(pathlib.Path(__file__).parent.resolve())
log_file = curPath + '/script.log'
last_run = curPath + '/last_result.log'
print(last_run)
# Workflow
def main():
last_run_logfile = open(last_run, 'a')
timeoutSec = 10
nmapArgs = ['sudo', 'nmap', '--script', 'broadcast-dhcp-discover']
# Execute N probes and insert in list
dhcp_probes = 1 # N probes
newLines = []
newLines.append(strftime("%Y-%m-%d %H:%M:%S"))
#dhcp_server_list_time = []
for _ in range(dhcp_probes):
output = subprocess.check_output (nmapArgs, universal_newlines=True, stderr=subprocess.STDOUT, timeout=(timeoutSec ))
newLines = newLines + output.split("\n")
# parse output
newEntries = []
duration = ""
for line in newLines:
if newEntries is None:
index = 0
else:
index = len(newEntries) - 1
if 'Response ' in line and ' of ' in line:
newEntries.append(plugin_object_class())
elif 'Server Identifier' in line :
newEntries[index].primaryId = line.split(':')[1].strip()
elif 'Domain Name' in line :
newEntries[index].secondaryId = line.split(':')[1].strip()
elif 'Domain Name Server' in line :
newEntries[index].watched1 = line.split(':')[1].strip()
elif 'IP Offered' in line :
newEntries[index].watched2 = line.split(':')[1].strip()
elif 'Interface' in line :
newEntries[index].watched3 = line.split(':')[1].strip()
elif 'Router' in line :
newEntries[index].watched4 = line.split(':')[1].strip()
newEntries[index].foreignKey = line.split(':')[1].strip()
elif ('IP Address Lease Time' in line or 'Subnet Mask' in line or 'Broadcast Address' in line) :
newVal = line.split(':')[1].strip()
if newEntries[index].extra == '':
newEntries[index].extra = newVal
else:
newEntries[index].extra = newEntries[index].extra + ',' + newVal
for e in newEntries:
# Insert list into the log
service_monitoring_log(e.primaryId, e.secondaryId, e.created, e.watched1, e.watched2, e.watched3, e.watched4, e.extra, e.foreignKey )
# -----------------------------------------------------------------------------
def service_monitoring_log(primaryId, secondaryId, created, watched1, watched2 = '', watched3 = '', watched4 = '', extra ='', foreignKey ='' ):
if watched1 == '':
watched1 = 'null'
if watched2 == '':
watched2 = 'null'
if watched3 == '':
watched3 = 'null'
if watched4 == '':
watched4 = 'null'
with open(last_run, 'a') as last_run_logfile:
# https://www.duckduckgo.com|192.168.0.1|2023-01-02 15:56:30|200|0.9898|null|null|Best search engine|null
last_run_logfile.write("{}|{}|{}|{}|{}|{}|{}|{}|{}\n".format(
primaryId,
secondaryId,
created,
watched1,
watched2,
watched3,
watched4,
extra,
foreignKey
)
)
# -------------------------------------------------------------------
class plugin_object_class:
def __init__(self, primaryId = '',secondaryId = '', watched1 = '',watched2 = '',watched3 = '',watched4 = '',extra = '',foreignKey = ''):
self.pluginPref = ''
self.primaryId = primaryId
self.secondaryId = secondaryId
self.created = strftime("%Y-%m-%d %H:%M:%S")
self.changed = ''
self.watched1 = watched1
self.watched2 = watched2
self.watched3 = watched3
self.watched4 = watched4
self.status = ''
self.extra = extra
self.userData = ''
self.foreignKey = foreignKey
#===============================================================================
# BEGIN
#===============================================================================
if __name__ == '__main__':
sys.exit(main())