From a950059053f7394acfb453cc0d8194aa3dc721fa Mon Sep 17 00:00:00 2001 From: kumvijaya Date: Thu, 26 Sep 2024 11:31:07 +0530 Subject: T6732: added same as vyos 1x --- src/migration-scripts/nat/7-to-8 | 43 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/migration-scripts/nat/7-to-8 (limited to 'src/migration-scripts/nat/7-to-8') diff --git a/src/migration-scripts/nat/7-to-8 b/src/migration-scripts/nat/7-to-8 new file mode 100644 index 0000000..9ae389e --- /dev/null +++ b/src/migration-scripts/nat/7-to-8 @@ -0,0 +1,43 @@ +# Copyright 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 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 +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see . + +# 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 vyos.configtree import ConfigTree + +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') -- cgit v1.2.3