79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
|
#! /usr/bin/python3
|
||
|
|
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU General Public License
|
||
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
# Copyright © 2019 Hugo Levy-Falk <me@klafyvel.me>
|
||
|
|
|
||
|
|
"""
|
||
|
|
Creates the nat set.
|
||
|
|
"""
|
||
|
|
|
||
|
|
import logging
|
||
|
|
from configparser import ConfigParser
|
||
|
|
|
||
|
|
from re2oapi import Re2oAPIClient
|
||
|
|
|
||
|
|
from firewall import NetfilterSet
|
||
|
|
|
||
|
|
CONFIG = ConfigParser()
|
||
|
|
CONFIG.read('config.ini')
|
||
|
|
|
||
|
|
api_hostname = CONFIG.get('Re2o', 'hostname')
|
||
|
|
api_password = CONFIG.get('Re2o', 'password')
|
||
|
|
api_username = CONFIG.get('Re2o', 'username')
|
||
|
|
|
||
|
|
api_client = Re2oAPIClient(api_hostname, api_username, api_password)
|
||
|
|
|
||
|
|
api_client.list('dhcp/hostmacip')
|
||
|
|
|
||
|
|
def gen_ip_mac_set():
|
||
|
|
"""Generates the ip_mac set in nftables.
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
A NetfilterSet object with the allowed ip - mac pairs.
|
||
|
|
"""
|
||
|
|
hosts = api_client.list('dhcp/hostmacip')
|
||
|
|
content = [
|
||
|
|
(h['ipv4'], h['mac_address'])
|
||
|
|
for h in hosts
|
||
|
|
if h['ipv4'] and h['mac_address']
|
||
|
|
]
|
||
|
|
return NetfilterSet(
|
||
|
|
target_content=content,
|
||
|
|
type_=('IPv4', 'MAC'),
|
||
|
|
name='ip_mac',
|
||
|
|
table_name='firewall',
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def update_macip():
|
||
|
|
log = logging.getLogger(__name__)
|
||
|
|
if not log.hasHandlers():
|
||
|
|
handler = logging.StreamHandler()
|
||
|
|
formatter = logging.Formatter(
|
||
|
|
"%(asctime)s %(levelname)s %(name)s %(message)s"
|
||
|
|
)
|
||
|
|
handler.setFormatter(formatter)
|
||
|
|
log.addHandler(handler)
|
||
|
|
log.setLevel(logging.INFO)
|
||
|
|
log.info('Updating the ip - mac set...')
|
||
|
|
ip_mac = gen_ip_mac_set()
|
||
|
|
log.info('Applying modifications...')
|
||
|
|
ip_mac.manage()
|
||
|
|
log.info('Done')
|
||
|
|
|
||
|
|
|
||
|
|
if __name__=='__main__':
|
||
|
|
update_macip()
|