#!/usr/bin/env python3 # # Copyright (C) 2021 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/>. # T3090: migrate "firewall options interface <name> adjust-mss" to the # individual interface. from sys import argv from sys import exit from vyos.configtree import ConfigTree from vyos.ifconfig import Section 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() base = ['firewall', 'options', 'interface'] config = ConfigTree(config_file) if not config.exists(base): # Nothing to do exit(0) for interface in config.list_nodes(base): if config.exists(base + [interface, 'disable']): continue if config.exists(base + [interface, 'adjust-mss']): section = Section.section(interface) tmp = config.return_value(base + [interface, 'adjust-mss']) config.set(['interfaces', section, interface, 'ip', 'adjust-mss'], value=tmp) if config.exists(base + [interface, 'adjust-mss6']): section = Section.section(interface) tmp = config.return_value(base + [interface, 'adjust-mss6']) config.set(['interfaces', section, interface, 'ipv6', 'adjust-mss'], value=tmp) config.delete(['firewall', 'options']) 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)