#!/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/>. # - remove primary/secondary identifier from nameserver # - TODO: remove radius server req-limit import os import sys 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) base = ['vpn', 'l2tp', 'remote-access'] if not config.exists(base): # Nothing to do exit(0) else: # Migrate IPv4 DNS servers dns_base = base + ['dns-servers'] if config.exists(dns_base): for server in ['server-1', 'server-2']: if config.exists(dns_base + [server]): dns = config.return_value(dns_base + [server]) config.set(base + ['name-server'], value=dns, replace=False) config.delete(dns_base) # Migrate IPv6 DNS servers dns_base = base + ['dnsv6-servers'] if config.exists(dns_base): for server in config.return_values(dns_base): config.set(base + ['name-server'], value=server, replace=False) config.delete(dns_base) # Migrate IPv4 WINS servers wins_base = base + ['wins-servers'] if config.exists(wins_base): for server in ['server-1', 'server-2']: if config.exists(wins_base + [server]): wins = config.return_value(wins_base + [server]) config.set(base + ['wins-server'], value=wins, replace=False) config.delete(wins_base) # Remove RADIUS server req-limit node radius_base = base + ['authentication', 'radius'] if config.exists(radius_base): for server in config.list_nodes(radius_base + ['server']): if config.exists(radius_base + ['server', server, 'req-limit']): config.delete(radius_base + ['server', server, 'req-limit']) # Migrate IPv6 prefixes ipv6_base = base + ['client-ipv6-pool'] if config.exists(ipv6_base + ['prefix']): prefix_old = config.return_values(ipv6_base + ['prefix']) # delete old prefix CLI nodes config.delete(ipv6_base + ['prefix']) # create ned prefix tag node config.set(ipv6_base + ['prefix']) config.set_tag(ipv6_base + ['prefix']) for p in prefix_old: prefix = p.split(',')[0] mask = p.split(',')[1] config.set(ipv6_base + ['prefix', prefix, 'mask'], value=mask) if config.exists(ipv6_base + ['delegate-prefix']): prefix_old = config.return_values(ipv6_base + ['delegate-prefix']) # delete old delegate prefix CLI nodes config.delete(ipv6_base + ['delegate-prefix']) # create ned delegation tag node config.set(ipv6_base + ['delegate']) config.set_tag(ipv6_base + ['delegate']) for p in prefix_old: prefix = p.split(',')[0] mask = p.split(',')[1] config.set(ipv6_base + ['delegate', prefix, 'delegate-prefix'], value=mask) 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)