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#!/usr/bin/env python3
#
# Copyright (C) 2020 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/>.
from sys import argv, exit
from vyos.configtree import ConfigTree
def migrate_keys(config, path):
# authentication: rename node 'encrypted-key' -> 'encrypted-password'
config_path_auth = path + ['auth', 'encrypted-key']
if config.exists(config_path_auth):
config.rename(config_path_auth, 'encrypted-password')
config_path_auth = path + ['auth', 'encrypted-password']
# remove leading '0x' from string if present
tmp = config.return_value(config_path_auth)
if tmp.startswith(prefix):
tmp = tmp.replace(prefix, '')
config.set(config_path_auth, value=tmp)
# privacy: rename node 'encrypted-key' -> 'encrypted-password'
config_path_priv = path + ['privacy', 'encrypted-key']
if config.exists(config_path_priv):
config.rename(config_path_priv, 'encrypted-password')
config_path_priv = path + ['privacy', 'encrypted-password']
# remove leading '0x' from string if present
tmp = config.return_value(config_path_priv)
if tmp.startswith(prefix):
tmp = tmp.replace(prefix, '')
config.set(config_path_priv, value=tmp)
if __name__ == '__main__':
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()
config = ConfigTree(config_file)
config_base = ['service', 'snmp', 'v3']
if not config.exists(config_base):
# Nothing to do
exit(0)
else:
# We no longer support hashed values prefixed with '0x' to unclutter
# CLI and also calculate the hases in advance instead of retrieving
# them after service startup - which was always a bad idea
prefix = '0x'
config_engineid = config_base + ['engineid']
if config.exists(config_engineid):
tmp = config.return_value(config_engineid)
if tmp.startswith(prefix):
tmp = tmp.replace(prefix, '')
config.set(config_engineid, value=tmp)
config_user = config_base + ['user']
if config.exists(config_user):
for user in config.list_nodes(config_user):
migrate_keys(config, config_user + [user])
config_trap = config_base + ['trap-target']
if config.exists(config_trap):
for trap in config.list_nodes(config_trap):
migrate_keys(config, config_trap + [trap])
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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