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#!/usr/bin/env python3
# Change syntax of openvpn encryption settings
# - move cipher from encryption to encryption cipher
# https://phabricator.vyos.net/T1704
import sys
from vyos.configtree import ConfigTree
if (len(sys.argv) < 1):
print("Must specify file name!")
sys.exit(1)
file_name = sys.argv[1]
with open(file_name, 'r') as f:
config_file = f.read()
config = ConfigTree(config_file)
base = ['interfaces', 'openvpn']
if not config.exists(base):
# Nothing to do
sys.exit(0)
else:
#
# move cipher from "encryption" to "encryption cipher"
#
for intf in config.list_nodes(['interfaces', 'openvpn']):
# Check if encryption is set
if config.exists(['interfaces', 'openvpn', intf, 'encryption']):
# Get cipher used
cipher = config.return_value(['interfaces', 'openvpn', intf, 'encryption'])
# Delete old syntax
config.delete(['interfaces', 'openvpn', intf, 'encryption'])
# Add new syntax to config
config.set(['interfaces', 'openvpn', intf, 'encryption', 'cipher'], value=cipher)
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))
sys.exit(1)
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