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#!/usr/bin/env python3
#
# Copyright (C) 2022-2024 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/>.
# T2199: Migrate interface firewall nodes to firewall interfaces <ifname> <direction> name/ipv6-name <name>
# T2199: Migrate zone-policy to firewall node
from sys import argv
from sys import exit
from vyos.configtree import ConfigTree
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']
zone_base = ['zone-policy']
config = ConfigTree(config_file)
if not config.exists(base) and not config.exists(zone_base):
# Nothing to do
exit(0)
def migrate_interface(config, iftype, ifname, vif=None, vifs=None, vifc=None):
if_path = ['interfaces', iftype, ifname]
ifname_full = ifname
if vif:
if_path += ['vif', vif]
ifname_full = f'{ifname}.{vif}'
elif vifs:
if_path += ['vif-s', vifs]
ifname_full = f'{ifname}.{vifs}'
if vifc:
if_path += ['vif-c', vifc]
ifname_full = f'{ifname}.{vifs}.{vifc}'
if not config.exists(if_path + ['firewall']):
return
if not config.exists(['firewall', 'interface']):
config.set(['firewall', 'interface'])
config.set_tag(['firewall', 'interface'])
config.copy(if_path + ['firewall'], ['firewall', 'interface', ifname_full])
config.delete(if_path + ['firewall'])
for iftype in config.list_nodes(['interfaces']):
for ifname in config.list_nodes(['interfaces', iftype]):
migrate_interface(config, iftype, ifname)
if config.exists(['interfaces', iftype, ifname, 'vif']):
for vif in config.list_nodes(['interfaces', iftype, ifname, 'vif']):
migrate_interface(config, iftype, ifname, vif=vif)
if config.exists(['interfaces', iftype, ifname, 'vif-s']):
for vifs in config.list_nodes(['interfaces', iftype, ifname, 'vif-s']):
migrate_interface(config, iftype, ifname, vifs=vifs)
if config.exists(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']):
for vifc in config.list_nodes(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']):
migrate_interface(config, iftype, ifname, vifs=vifs, vifc=vifc)
if config.exists(zone_base + ['zone']):
config.set(['firewall', 'zone'])
config.set_tag(['firewall', 'zone'])
for zone in config.list_nodes(zone_base + ['zone']):
if 'interface' in config.list_nodes(zone_base + ['zone', zone]):
for iface in config.return_values(zone_base + ['zone', zone, 'interface']):
if '+' in iface:
config.delete_value(zone_base + ['zone', zone, 'interface'], value=iface)
iface = iface.replace('+', '*')
config.set(zone_base + ['zone', zone, 'interface'], value=iface, replace=False)
config.copy(zone_base + ['zone', zone], ['firewall', 'zone', zone])
config.delete(zone_base)
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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