diff options
Diffstat (limited to 'src/migration-scripts/nat/7-to-8')
| -rw-r--r--[-rwxr-xr-x] | src/migration-scripts/nat/7-to-8 | 81 |
1 files changed, 31 insertions, 50 deletions
diff --git a/src/migration-scripts/nat/7-to-8 b/src/migration-scripts/nat/7-to-8 index ab2ffa6d3..9ae389ef1 100755..100644 --- a/src/migration-scripts/nat/7-to-8 +++ b/src/migration-scripts/nat/7-to-8 @@ -1,62 +1,43 @@ -#!/usr/bin/env python3 +# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io> # -# Copyright (C) 2024 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/>. # T6345: random - In kernel 5.0 and newer this is the same as fully-random. # In earlier kernels the port mapping will be randomized using a seeded # MD5 hash mix using source and destination address and destination port. # drop fully-random from CLI -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']): - port_mapping = ['nat', direction, 'rule', rule, 'translation', 'options', 'port-mapping'] - if config.exists(port_mapping): - tmp = config.return_value(port_mapping) - if tmp == 'fully-random': - config.set(port_mapping, value='random') - -try: - with open(file_name, 'w') as f: - f.write(config.to_string()) -except OSError as e: - print(f'Failed to save the modified config: {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']): + port_mapping = ['nat', direction, 'rule', rule, 'translation', 'options', 'port-mapping'] + if config.exists(port_mapping): + tmp = config.return_value(port_mapping) + if tmp == 'fully-random': + config.set(port_mapping, value='random') |