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#!/usr/bin/env python3
#
# Copyright (C) 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 re
import sys
from vyos.util import call
import vyos.opmode
SWANCTL_CONF = '/etc/swanctl/swanctl.conf'
def get_peer_connections(peer, tunnel, return_all = False):
peer = peer.replace(':', '-')
search = rf'^[\s]*(peer_{peer}_(tunnel_[\d]+|vti)).*'
matches = []
with open(SWANCTL_CONF, 'r') as f:
for line in f.readlines():
result = re.match(search, line)
if result:
suffix = f'tunnel_{tunnel}' if tunnel.isnumeric() else tunnel
if return_all or (result[2] == suffix):
matches.append(result[1])
return matches
def reset_peer(peer: str, tunnel:str):
if not peer:
print('Invalid peer, aborting')
return
conns = get_peer_connections(peer, tunnel, return_all = (not tunnel or tunnel == 'all'))
if not conns:
print('Tunnel(s) not found, aborting')
return
result = True
for conn in conns:
try:
call(f'sudo /usr/sbin/ipsec down {conn}{{*}}', timeout = 10)
call(f'sudo /usr/sbin/ipsec up {conn}', timeout = 10)
except TimeoutExpired as e:
print(f'Timed out while resetting {conn}')
result = False
print('Peer reset result: ' + ('success' if result else 'failed'))
if __name__ == '__main__':
try:
res = vyos.opmode.run(sys.modules[__name__])
if res:
print(res)
except (ValueError, vyos.opmode.Error) as e:
print(e)
sys.exit(1)
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