#!/usr/bin/env python3 # # Copyright (C) 2020 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/>. # Drop the enable/disable from the nat "log" node. If log node is specified # it is "enabled" from sys import argv,exit from vyos.configtree import ConfigTree if (len(argv) < 1): 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(['nat']): # Nothing to do exit(0) else: for direction in ['source', 'destination']: # If a node doesn't exist, we obviously have nothing to do. if not config.exists(['nat', 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(['nat', direction]): continue for rule in config.list_nodes(['nat', direction, 'rule']): base = ['nat', direction, 'rule', rule] # Check if the log node exists and if log is enabled, # migrate it to the new valueless 'log' node if config.exists(base + ['log']): tmp = config.return_value(base + ['log']) config.delete(base + ['log']) if tmp == 'enable': config.set(base + ['log']) 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)