diff options
Diffstat (limited to 'src/migration-scripts/ssh/1-to-2')
| -rw-r--r--[-rwxr-xr-x] | src/migration-scripts/ssh/1-to-2 | 118 |
1 files changed, 50 insertions, 68 deletions
diff --git a/src/migration-scripts/ssh/1-to-2 b/src/migration-scripts/ssh/1-to-2 index 79d65d7d4..b601db3b4 100755..100644 --- a/src/migration-scripts/ssh/1-to-2 +++ b/src/migration-scripts/ssh/1-to-2 @@ -1,81 +1,63 @@ -#!/usr/bin/env python3 +# Copyright 2020-2024 VyOS maintainers and contributors <maintainers@vyos.io> # -# Copyright (C) 2020-2022 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/>. # VyOS 1.2 crux allowed configuring a lower or upper case loglevel. This # is no longer supported as the input data is validated and will lead to # an error. If user specifies an upper case logleve, make it lowercase -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() - base = ['service', 'ssh'] -config = ConfigTree(config_file) - -if not config.exists(base): - # Nothing to do - exit(0) - -path_loglevel = base + ['loglevel'] -if config.exists(path_loglevel): - # red in configured loglevel and convert it to lower case - tmp = config.return_value(path_loglevel).lower() - # VyOS 1.2 had no proper value validation on the CLI thus the - # user could use any arbitrary values - sanitize them - if tmp not in ['quiet', 'fatal', 'error', 'info', 'verbose']: - tmp = 'info' - config.set(path_loglevel, value=tmp) - -# T4273: migrate ssh cipher list to multi node -path_ciphers = base + ['ciphers'] -if config.exists(path_ciphers): - tmp = [] - # get curtrent cipher list - comma delimited - for cipher in config.return_values(path_ciphers): - tmp.extend(cipher.split(',')) - # delete old cipher suite representation - config.delete(path_ciphers) - - for cipher in tmp: - config.set(path_ciphers, value=cipher, replace=False) - -# T4273: migrate ssh key-exchange list to multi node -path_kex = base + ['key-exchange'] -if config.exists(path_kex): - tmp = [] - # get curtrent cipher list - comma delimited - for kex in config.return_values(path_kex): - tmp.extend(kex.split(',')) - # delete old cipher suite representation - config.delete(path_kex) - - for kex in tmp: - config.set(path_kex, value=kex, replace=False) -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(base): + # Nothing to do + return + + path_loglevel = base + ['loglevel'] + if config.exists(path_loglevel): + # red in configured loglevel and convert it to lower case + tmp = config.return_value(path_loglevel).lower() + # VyOS 1.2 had no proper value validation on the CLI thus the + # user could use any arbitrary values - sanitize them + if tmp not in ['quiet', 'fatal', 'error', 'info', 'verbose']: + tmp = 'info' + config.set(path_loglevel, value=tmp) + + # T4273: migrate ssh cipher list to multi node + path_ciphers = base + ['ciphers'] + if config.exists(path_ciphers): + tmp = [] + # get curtrent cipher list - comma delimited + for cipher in config.return_values(path_ciphers): + tmp.extend(cipher.split(',')) + # delete old cipher suite representation + config.delete(path_ciphers) + + for cipher in tmp: + config.set(path_ciphers, value=cipher, replace=False) + + # T4273: migrate ssh key-exchange list to multi node + path_kex = base + ['key-exchange'] + if config.exists(path_kex): + tmp = [] + # get curtrent cipher list - comma delimited + for kex in config.return_values(path_kex): + tmp.extend(kex.split(',')) + # delete old cipher suite representation + config.delete(path_kex) + + for kex in tmp: + config.set(path_kex, value=kex, replace=False) |