#!/usr/bin/env python3 # # Copyright (C) 2022 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/>. # T4780: Add firewall interface group # cli changes from: # set firewall [name | ipv6-name] <name> rule <number> [inbound-interface | outbound-interface] <interface_name> # To # set firewall [name | ipv6-name] <name> rule <number> [inbound-interface | outbound-interface] [interface-name | interface-group] <interface_name | interface_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) if config.exists(base + ['name']): for name in config.list_nodes(base + ['name']): if not config.exists(base + ['name', name, 'rule']): continue for rule in config.list_nodes(base + ['name', name, 'rule']): rule_iiface = base + ['name', name, 'rule', rule, 'inbound-interface'] rule_oiface = base + ['name', name, 'rule', rule, 'outbound-interface'] if config.exists(rule_iiface): tmp = config.return_value(rule_iiface) config.delete(rule_iiface) config.set(rule_iiface + ['interface-name'], value=tmp) if config.exists(rule_oiface): tmp = config.return_value(rule_oiface) config.delete(rule_oiface) config.set(rule_oiface + ['interface-name'], value=tmp) if config.exists(base + ['ipv6-name']): for name in config.list_nodes(base + ['ipv6-name']): if not config.exists(base + ['ipv6-name', name, 'rule']): continue for rule in config.list_nodes(base + ['ipv6-name', name, 'rule']): rule_iiface = base + ['ipv6-name', name, 'rule', rule, 'inbound-interface'] rule_oiface = base + ['ipv6-name', name, 'rule', rule, 'outbound-interface'] if config.exists(rule_iiface): tmp = config.return_value(rule_iiface) config.delete(rule_iiface) config.set(rule_iiface + ['interface-name'], value=tmp) if config.exists(rule_oiface): tmp = config.return_value(rule_oiface) config.delete(rule_oiface) config.set(rule_oiface + ['interface-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)