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#!/usr/bin/env python3
#
# Copyright (C) 2018-2022 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.configverify import verify_accel_ppp_base_service
from vyos.configverify import verify_interface_exists
from vyos.template import render
from vyos.util import call
from vyos.util import dict_search
from vyos import ConfigError
from vyos import airbag
airbag.enable()
ipoe_conf = '/run/accel-pppd/ipoe.conf'
ipoe_chap_secrets = '/run/accel-pppd/ipoe.chap-secrets'
def get_config(config=None):
if config:
conf = config
else:
conf = Config()
base = ['service', 'ipoe-server']
if not conf.exists(base):
return None
# retrieve common dictionary keys
ipoe = get_accel_dict(conf, base, ipoe_chap_secrets)
return ipoe
def verify(ipoe):
if not ipoe:
return None
if 'interface' not in ipoe:
raise ConfigError('No IPoE interface configured')
for interface in ipoe['interface']:
verify_interface_exists(interface)
#verify_accel_ppp_base_service(ipoe, local_users=False)
if 'client_ipv6_pool' in ipoe:
if 'delegate' in ipoe['client_ipv6_pool'] and 'prefix' not in ipoe['client_ipv6_pool']:
raise ConfigError('IPoE IPv6 deletate-prefix requires IPv6 prefix to be configured!')
return None
def generate(ipoe):
if not ipoe:
return None
render(ipoe_conf, 'accel-ppp/ipoe.config.j2', ipoe)
if dict_search('authentication.mode', ipoe) == 'local':
render(ipoe_chap_secrets, 'accel-ppp/chap-secrets.ipoe.j2',
ipoe, permission=0o640)
return None
def apply(ipoe):
systemd_service = 'accel-ppp@ipoe.service'
if ipoe == None:
call(f'systemctl stop {systemd_service}')
for file in [ipoe_conf, ipoe_chap_secrets]:
if os.path.exists(file):
os.unlink(file)
return None
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)
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