#!/usr/bin/env python3 # # Copyright (C) 2023 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/>. # T5681: Firewall re-writing. Simplify cli when mathcing interface # From # set firewall ... rule <rule> [inbound-interface | outboubd-interface] interface-name <iface> # set firewall ... rule <rule> [inbound-interface | outboubd-interface] interface-group <iface_group> # To # set firewall ... rule <rule> [inbound-interface | outboubd-interface] name <iface> # set firewall ... rule <rule> [inbound-interface | outboubd-interface] group <iface_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) ## Migration from base chains #if config.exists(base + ['interface', iface, direction]): for family in ['ipv4', 'ipv6']: if config.exists(base + [family]): for hook in ['forward', 'input', 'output', 'name']: if config.exists(base + [family, hook]): for priority in config.list_nodes(base + [family, hook]): if config.exists(base + [family, hook, priority, 'rule']): for rule in config.list_nodes(base + [family, hook, priority, 'rule']): for direction in ['inbound-interface', 'outbound-interface']: if config.exists(base + [family, hook, priority, 'rule', rule, direction]): if config.exists(base + [family, hook, priority, 'rule', rule, direction, 'interface-name']): iface = config.return_value(base + [family, hook, priority, 'rule', rule, direction, 'interface-name']) config.set(base + [family, hook, priority, 'rule', rule, direction, 'name'], value=iface) config.delete(base + [family, hook, priority, 'rule', rule, direction, 'interface-name']) elif config.exists(base + [family, hook, priority, 'rule', rule, direction, 'interface-group']): group = config.return_value(base + [family, hook, priority, 'rule', rule, direction, 'interface-group']) config.set(base + [family, hook, priority, 'rule', rule, direction, 'group'], value=group) config.delete(base + [family, hook, priority, 'rule', rule, direction, 'interface-group']) 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)