#!/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 nat66 [source|destination] rule X [inbound-interface|outbound interface] <iface>' # to # 'set nat66 [source|destination] rule X [inbound-interface|outbound interface] name <iface>' from sys import argv,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() config = ConfigTree(config_file) if not config.exists(['nat66']): # Nothing to do exit(0) for direction in ['source', 'destination']: # If a node doesn't exist, we obviously have nothing to do. if not config.exists(['nat66', direction]): continue # However, we also need to handle the case when a 'source' or 'destination' sub-node does exist, # but there are no rules under it. if not config.list_nodes(['nat66', direction]): continue for rule in config.list_nodes(['nat66', direction, 'rule']): base = ['nat66', direction, 'rule', rule] for iface in ['inbound-interface','outbound-interface']: if config.exists(base + [iface]): tmp = config.return_value(base + [iface]) config.delete(base + [iface]) config.set(base + [iface, '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)