#!/usr/bin/env python3 # # Copyright (C) 2018-2023 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # 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/>. import os from sys import exit from vyos.config import Config from vyos.configdict import get_accel_dict from vyos.configdict import is_node_changed from vyos.configverify import verify_accel_ppp_base_service from vyos.configverify import verify_interface_exists from vyos.template import render from vyos.utils.process import call from vyos.utils.dict import dict_search from vyos import ConfigError from vyos import airbag airbag.enable() pppoe_conf = r'/run/accel-pppd/pppoe.conf' pppoe_chap_secrets = r'/run/accel-pppd/pppoe.chap-secrets' def get_config(config=None): if config: conf = config else: conf = Config() base = ['service', 'pppoe-server'] if not conf.exists(base): return None # retrieve common dictionary keys pppoe = get_accel_dict(conf, base, pppoe_chap_secrets) # reload-or-restart does not implemented in accel-ppp # use this workaround until it will be implemented # https://phabricator.accel-ppp.org/T3 if is_node_changed(conf, base + ['client-ip-pool']) or is_node_changed( conf, base + ['client-ipv6-pool']): pppoe.update({'restart_required': {}}) return pppoe def verify(pppoe): if not pppoe: return None verify_accel_ppp_base_service(pppoe) if 'wins_server' in pppoe and len(pppoe['wins_server']) > 2: raise ConfigError('Not more then two WINS name-servers can be configured') if 'interface' not in pppoe: raise ConfigError('At least one listen interface must be defined!') # Check is interface exists in the system for interface in pppoe['interface']: verify_interface_exists(interface) # local ippool and gateway settings config checks if not (dict_search('client_ip_pool.subnet', pppoe) or (dict_search('client_ip_pool.name', pppoe) or (dict_search('client_ip_pool.start', pppoe) and dict_search('client_ip_pool.stop', pppoe)))): print('Warning: No PPPoE client pool defined') if dict_search('authentication.radius.dynamic_author.server', pppoe): if not dict_search('authentication.radius.dynamic_author.key', pppoe): raise ConfigError('DA/CoE server key required!') return None def generate(pppoe): if not pppoe: return None render(pppoe_conf, 'accel-ppp/pppoe.config.j2', pppoe) if dict_search('authentication.mode', pppoe) == 'local': render(pppoe_chap_secrets, 'accel-ppp/chap-secrets.config_dict.j2', pppoe, permission=0o640) return None def apply(pppoe): systemd_service = 'accel-ppp@pppoe.service' if not pppoe: call(f'systemctl stop {systemd_service}') for file in [pppoe_conf, pppoe_chap_secrets]: if os.path.exists(file): os.unlink(file) return None if 'restart_required' in pppoe: call(f'systemctl restart {systemd_service}') else: call(f'systemctl reload-or-restart {systemd_service}') if __name__ == '__main__': try: c = get_config() verify(c) generate(c) apply(c) except ConfigError as e: print(e) exit(1)