#!/usr/bin/env python3 # # Copyright (C) 2023-2024 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/>. # - move all pool to named pools # 'start-stop' migrate to namedpool 'default-range-pool' # 'subnet' migrate to namedpool 'default-subnet-pool' # 'default-subnet-pool' is the next pool for 'default-range-pool' from sys import argv from sys import exit from vyos.configtree import ConfigTree from vyos.base import Warning 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) base = ['vpn', 'l2tp', 'remote-access'] pool_base = base + ['client-ip-pool'] if not config.exists(base): exit(0) if not config.exists(pool_base): exit(0) default_pool = '' range_pool_name = 'default-range-pool' if config.exists(pool_base + ['start']) and config.exists(pool_base + ['stop']): def is_legalrange(ip1: str, ip2: str, mask: str): from ipaddress import IPv4Interface interface1 = IPv4Interface(f'{ip1}/{mask}') interface2 = IPv4Interface(f'{ip2}/{mask}') return interface1.network.network_address == interface2.network.network_address and interface2.ip > interface1.ip start_ip = config.return_value(pool_base + ['start']) stop_ip = config.return_value(pool_base + ['stop']) if is_legalrange(start_ip, stop_ip,'24'): ip_range = f'{start_ip}-{stop_ip}' config.set(pool_base + [range_pool_name, 'range'], value=ip_range, replace=False) default_pool = range_pool_name else: Warning( f'L2TP client-ip-pool range start-ip:{start_ip} and stop-ip:{stop_ip} can not be migrated.') config.delete(pool_base + ['start']) config.delete(pool_base + ['stop']) if config.exists(pool_base + ['subnet']): for subnet in config.return_values(pool_base + ['subnet']): config.set(pool_base + [range_pool_name, 'range'], value=subnet, replace=False) config.delete(pool_base + ['subnet']) default_pool = range_pool_name if default_pool: config.set(base + ['default-pool'], value=default_pool) # format as tag node config.set_tag(pool_base) 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)