diff options
Diffstat (limited to 'src/migration-scripts/firewall/12-to-13')
| -rwxr-xr-x | src/migration-scripts/firewall/12-to-13 | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/migration-scripts/firewall/12-to-13 b/src/migration-scripts/firewall/12-to-13 new file mode 100755 index 000000000..4eaae779b --- /dev/null +++ b/src/migration-scripts/firewall/12-to-13 @@ -0,0 +1,83 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2023 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/>. + +# T5729: Switch to valueless whenever is possible. +# From + # set firewall ... rule <rule> log enable + # set firewall ... rule <rule> state <state> enable + # set firewall ... rule <rule> log disable + # set firewall ... rule <rule> state <state> disable +# To + # set firewall ... rule <rule> log + # set firewall ... rule <rule> state <state> + # Remove command if log=disable or <state>=disable + +import re + +from sys import argv +from sys import exit + +from vyos.configtree import ConfigTree +from vyos.ifconfig import Section + +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 = ['firewall'] +config = ConfigTree(config_file) + +if not config.exists(base): + # Nothing to do + exit(0) + +for family in ['ipv4', 'ipv6', 'bridge']: + if config.exists(base + [family]): + for hook in ['forward', 'input', 'output', 'name']: + if config.exists(base + [family, hook]): + for priority in config.list_nodes(base + [family, hook]): + if config.exists(base + [family, hook, priority, 'rule']): + for rule in config.list_nodes(base + [family, hook, priority, 'rule']): + # Log + if config.exists(base + [family, hook, priority, 'rule', rule, 'log']): + log_value = config.return_value(base + [family, hook, priority, 'rule', rule, 'log']) + config.delete(base + [family, hook, priority, 'rule', rule, 'log']) + if log_value == 'enable': + config.set(base + [family, hook, priority, 'rule', rule, 'log']) + # State + if config.exists(base + [family, hook, priority, 'rule', rule, 'state']): + flag_enable = 'False' + for state in ['established', 'invalid', 'new', 'related']: + if config.exists(base + [family, hook, priority, 'rule', rule, 'state', state]): + state_value = config.return_value(base + [family, hook, priority, 'rule', rule, 'state', state]) + config.delete(base + [family, hook, priority, 'rule', rule, 'state', state]) + if state_value == 'enable': + config.set(base + [family, hook, priority, 'rule', rule, 'state'], value=state, replace=False) + flag_enable = 'True' + if flag_enable == 'False': + config.delete(base + [family, hook, priority, 'rule', rule, 'state']) + +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)
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