diff options
Diffstat (limited to 'src/migration-scripts/nat/6-to-7')
| -rw-r--r--[-rwxr-xr-x] | src/migration-scripts/nat/6-to-7 | 95 |
1 files changed, 38 insertions, 57 deletions
diff --git a/src/migration-scripts/nat/6-to-7 b/src/migration-scripts/nat/6-to-7 index 25640dec2..e9b90fc98 100755..100644 --- a/src/migration-scripts/nat/6-to-7 +++ b/src/migration-scripts/nat/6-to-7 @@ -1,18 +1,17 @@ -#!/usr/bin/env python3 +# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io> # -# Copyright (C) 2023 VyOS maintainers and contributors +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. # -# 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, +# This library 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. +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser 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/>. +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. # T5681: Firewall re-writing. Simplify cli when mathcing interface # From @@ -23,51 +22,33 @@ # 'set nat [source|destination] rule X [inbound-interface|outbound interface] group <iface_group>' # Also remove command if interface == any -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) - -if not config.exists(['nat']): - # Nothing to do - exit(0) - -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] - for iface in ['inbound-interface','outbound-interface']: - if config.exists(base + [iface]): - if config.exists(base + [iface, 'interface-name']): - tmp = config.return_value(base + [iface, 'interface-name']) - if tmp != 'any': - config.delete(base + [iface, 'interface-name']) - if '+' in tmp: - tmp = tmp.replace('+', '*') - config.set(base + [iface, 'name'], value=tmp) - else: - config.delete(base + [iface]) - -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) +def migrate(config: ConfigTree) -> None: + if not config.exists(['nat']): + # Nothing to do + return + + 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] + for iface in ['inbound-interface','outbound-interface']: + if config.exists(base + [iface]): + if config.exists(base + [iface, 'interface-name']): + tmp = config.return_value(base + [iface, 'interface-name']) + if tmp != 'any': + config.delete(base + [iface, 'interface-name']) + if '+' in tmp: + tmp = tmp.replace('+', '*') + config.set(base + [iface, 'name'], value=tmp) + else: + config.delete(base + [iface]) |