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#!/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 policy [route | route6] ... rule <rule> log enable
# set policy [route | route6] ... rule <rule> log disable
# To
# set policy [route | route6] ... rule <rule> log
# Remove command if log=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 = ['policy']
config = ConfigTree(config_file)
if not config.exists(base):
# Nothing to do
exit(0)
for family in ['route', 'route6']:
if config.exists(base + [family]):
for policy_name in config.list_nodes(base + [family]):
if config.exists(base + [family, policy_name, 'rule']):
for rule in config.list_nodes(base + [family, policy_name, 'rule']):
# Log
if config.exists(base + [family, policy_name, 'rule', rule, 'log']):
log_value = config.return_value(base + [family, policy_name, 'rule', rule, 'log'])
config.delete(base + [family, policy_name, 'rule', rule, 'log'])
if log_value == 'enable':
config.set(base + [family, policy_name, 'rule', rule, 'log'])
# State
if config.exists(base + [family, policy_name, 'rule', rule, 'state']):
flag_enable = 'False'
for state in ['established', 'invalid', 'new', 'related']:
if config.exists(base + [family, policy_name, 'rule', rule, 'state', state]):
state_value = config.return_value(base + [family, policy_name, 'rule', rule, 'state', state])
config.delete(base + [family, policy_name, 'rule', rule, 'state', state])
if state_value == 'enable':
config.set(base + [family, policy_name, 'rule', rule, 'state'], value=state, replace=False)
flag_enable = 'True'
if flag_enable == 'False':
config.delete(base + [family, policy_name, '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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