Files
NetAlertX/pialert/scanners/pihole.py
2023-06-05 18:23:03 +10:00

94 lines
3.4 KiB
Python
Executable File

""" module to import db and leases from PiHole """
import sqlite3
import conf
from const import piholeDB, piholeDhcpleases
from logger import mylog
#-------------------------------------------------------------------------------
def copy_pihole_network (db):
"""
attach the PiHole Database and copy the PiHole_Network table accross into the PiAlert DB
"""
sql = db.sql # TO-DO
# Open Pi-hole DB
mylog('debug', '[PiHole Network] - attach PiHole DB')
try:
sql.execute ("ATTACH DATABASE '"+ piholeDB +"' AS PH")
except sqlite3.Error as e:
mylog('none',[ '[PiHole Network] - SQL ERROR: ', e])
# Copy Pi-hole Network table
try:
sql.execute ("DELETE FROM PiHole_Network")
# just for reporting
new_devices = []
sql.execute ( """SELECT hwaddr, macVendor, lastQuery,
(SELECT name FROM PH.network_addresses
WHERE network_id = id ORDER BY lastseen DESC, ip),
(SELECT ip FROM PH.network_addresses
WHERE network_id = id ORDER BY lastseen DESC, ip)
FROM PH.network
WHERE hwaddr NOT LIKE 'ip-%'
AND hwaddr <> '00:00:00:00:00:00' """)
new_devices = sql.fetchall()
# insert into PiAlert DB
sql.execute ("""INSERT INTO PiHole_Network (PH_MAC, PH_Vendor, PH_LastQuery,
PH_Name, PH_IP)
SELECT hwaddr, macVendor, lastQuery,
(SELECT name FROM PH.network_addresses
WHERE network_id = id ORDER BY lastseen DESC, ip),
(SELECT ip FROM PH.network_addresses
WHERE network_id = id ORDER BY lastseen DESC, ip)
FROM PH.network
WHERE hwaddr NOT LIKE 'ip-%'
AND hwaddr <> '00:00:00:00:00:00' """)
sql.execute ("""UPDATE PiHole_Network SET PH_Name = '(unknown)'
WHERE PH_Name IS NULL OR PH_Name = '' """)
# Close Pi-hole DB
sql.execute ("DETACH PH")
except sqlite3.Error as e:
mylog('none',[ '[PiHole Network] - SQL ERROR: ', e])
db.commitDB()
mylog('debug',[ '[PiHole Network] - completed - found ', len(new_devices), ' devices'])
return str(sql.rowcount) != "0"
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
def read_DHCP_leases (db):
"""
read the PiHole DHCP file and insert all records into the DHCP_Leases table.
"""
mylog('debug', '[PiHole DHCP] - read DHCP_Leases file')
# Read DHCP Leases
# Bugfix #1 - dhcp.leases: lines with different number of columns (5 col)
data = []
reporting = False
with open(piholeDhcpleases, 'r') as f:
for line in f:
reporting = True
row = line.rstrip().split()
if len(row) == 5 :
data.append (row)
# Insert into PiAlert table
db.sql.executemany ("""INSERT INTO DHCP_Leases (DHCP_DateTime, DHCP_MAC,
DHCP_IP, DHCP_Name, DHCP_MAC2)
VALUES (?, ?, ?, ?, ?)
""", data)
db.commitDB()
mylog('debug', ['[PiHole DHCP] - completed - added ',len(data), ' devices.'])
return reporting