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#!/usr/bin/env python3
#
# Copyright (C) 2021 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 argparse
import tabulate
from vyos.config import Config
from vyos.util import dict_search_args
def get_config_zone(conf, name=None):
config_path = ['zone-policy']
if name:
config_path += ['zone', name]
zone_policy = conf.get_config_dict(config_path, key_mangling=('-', '_'),
get_first_key=True, no_tag_node_value_mangle=True)
return zone_policy
def output_zone_name(zone, zone_conf):
print(f'\n---------------------------------\nZone: "{zone}"\n')
interfaces = ', '.join(zone_conf['interface']) if 'interface' in zone_conf else ''
if 'local_zone' in zone_conf:
interfaces = 'LOCAL'
print(f'Interfaces: {interfaces}\n')
header = ['From Zone', 'Firewall']
rows = []
if 'from' in zone_conf:
for from_name, from_conf in zone_conf['from'].items():
row = [from_name]
v4_name = dict_search_args(from_conf, 'firewall', 'name')
v6_name = dict_search_args(from_conf, 'firewall', 'ipv6_name')
if v4_name:
rows.append(row + [v4_name])
if v6_name:
rows.append(row + [f'{v6_name} [IPv6]'])
if rows:
print('From Zones:\n')
print(tabulate.tabulate(rows, header))
def show_zone_policy(zone):
conf = Config()
zone_policy = get_config_zone(conf, zone)
if not zone_policy:
return
if 'zone' in zone_policy:
for zone, zone_conf in zone_policy['zone'].items():
output_zone_name(zone, zone_conf)
elif zone:
output_zone_name(zone, zone_policy)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--action', help='Action', required=False)
parser.add_argument('--name', help='Zone name', required=False, action='store', nargs='?', default='')
args = parser.parse_args()
if args.action == 'show':
show_zone_policy(args.name)
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