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#!/usr/bin/env python3
#
# Copyright (C) 2022 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/>.
# T4170: rename "policy ipv6-route" to "policy route6" to match common
# IPv4/IPv6 schema
# T4178: Update tcp flags to use multi value node
from sys import argv
from sys import 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 = ['policy']
config = ConfigTree(config_file)
if not config.exists(base):
# Nothing to do
exit(0)
if config.exists(base + ['ipv6-route']):
config.rename(base + ['ipv6-route'],'route6')
config.set_tag(['policy', 'route6'])
for route in ['route', 'route6']:
if config.exists(base + [route]):
for name in config.list_nodes(base + [route]):
if config.exists(base + [route, name, 'rule']):
for rule in config.list_nodes(base + [route, name, 'rule']):
rule_tcp_flags = base + [route, name, 'rule', rule, 'tcp', 'flags']
if config.exists(rule_tcp_flags):
tmp = config.return_value(rule_tcp_flags)
config.delete(rule_tcp_flags)
for flag in tmp.split(","):
for flag in tmp.split(","):
if flag[0] == '!':
config.set(rule_tcp_flags + ['not', flag[1:].lower()])
else:
config.set(rule_tcp_flags + [flag.lower()])
if config.exists(['interfaces']):
def if_policy_rename(config, path):
if config.exists(path + ['policy', 'ipv6-route']):
config.rename(path + ['policy', 'ipv6-route'], 'route6')
for if_type in config.list_nodes(['interfaces']):
for ifname in config.list_nodes(['interfaces', if_type]):
if_path = ['interfaces', if_type, ifname]
if_policy_rename(config, if_path)
for vif_type in ['vif', 'vif-s']:
if config.exists(if_path + [vif_type]):
for vifname in config.list_nodes(if_path + [vif_type]):
if_policy_rename(config, if_path + [vif_type, vifname])
if config.exists(if_path + [vif_type, vifname, 'vif-c']):
for vifcname in config.list_nodes(if_path + [vif_type, vifname, 'vif-c']):
if_policy_rename(config, if_path + [vif_type, vifname, 'vif-c', vifcname])
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)
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