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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/>.
# T4780: Add firewall interface group
# cli changes from:
# set firewall [name | ipv6-name] <name> rule <number> [inbound-interface | outbound-interface] <interface_name>
# To
# set firewall [name | ipv6-name] <name> rule <number> [inbound-interface | outbound-interface] [interface-name | interface-group] <interface_name | interface_group>
import re
from sys import argv
from sys import exit
from vyos.configtree import ConfigTree
from vyos.ifconfig import Section
if len(argv) < 2:
print("Must specify file name!")
exit(1)
file_name = argv[1]
with open(file_name, 'r') as f:
config_file = f.read()
base = ['firewall']
config = ConfigTree(config_file)
if not config.exists(base):
# Nothing to do
exit(0)
if config.exists(base + ['name']):
for name in config.list_nodes(base + ['name']):
if not config.exists(base + ['name', name, 'rule']):
continue
for rule in config.list_nodes(base + ['name', name, 'rule']):
rule_iiface = base + ['name', name, 'rule', rule, 'inbound-interface']
rule_oiface = base + ['name', name, 'rule', rule, 'outbound-interface']
if config.exists(rule_iiface):
tmp = config.return_value(rule_iiface)
config.delete(rule_iiface)
config.set(rule_iiface + ['interface-name'], value=tmp)
if config.exists(rule_oiface):
tmp = config.return_value(rule_oiface)
config.delete(rule_oiface)
config.set(rule_oiface + ['interface-name'], value=tmp)
if config.exists(base + ['ipv6-name']):
for name in config.list_nodes(base + ['ipv6-name']):
if not config.exists(base + ['ipv6-name', name, 'rule']):
continue
for rule in config.list_nodes(base + ['ipv6-name', name, 'rule']):
rule_iiface = base + ['ipv6-name', name, 'rule', rule, 'inbound-interface']
rule_oiface = base + ['ipv6-name', name, 'rule', rule, 'outbound-interface']
if config.exists(rule_iiface):
tmp = config.return_value(rule_iiface)
config.delete(rule_iiface)
config.set(rule_iiface + ['interface-name'], value=tmp)
if config.exists(rule_oiface):
tmp = config.return_value(rule_oiface)
config.delete(rule_oiface)
config.set(rule_oiface + ['interface-name'], value=tmp)
try:
with open(file_name, 'w') as f:
f.write(config.to_string())
except OSError as e:
print("Failed to save the modified config: {}".format(e))
exit(1)
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