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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/>.
# T5144:
# - migrate "service dns dynamic interface ..."
# to "service dns dynamic address ..."
# - migrate "service dns dynamic interface <interface> use-web ..."
# to "service dns dynamic address <address> web-options ..."
# - migrate "service dns dynamic interface <interface> rfc2136 <config> record ..."
# to "service dns dynamic address <address> rfc2136 <config> host-name ..."
# - migrate "service dns dynamic interface <interface> service <config> login ..."
# to "service dns dynamic address <address> service <config> username ..."
# - apply global 'ipv6-enable' to per <config> 'ip-version: ipv6'
# - apply service protocol mapping upfront, they are not 'auto-detected' anymore
# - migrate web-options url to stricter format
import sys
import re
from vyos.configtree import ConfigTree
service_protocol_mapping = {
'afraid': 'freedns',
'changeip': 'changeip',
'cloudflare': 'cloudflare',
'dnspark': 'dnspark',
'dslreports': 'dslreports1',
'dyndns': 'dyndns2',
'easydns': 'easydns',
'namecheap': 'namecheap',
'noip': 'noip',
'sitelutions': 'sitelutions',
'zoneedit': 'zoneedit1'
}
if len(sys.argv) < 2:
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)
old_base_path = ['service', 'dns', 'dynamic', 'interface']
new_base_path = ['service', 'dns', 'dynamic', 'address']
if not config.exists(old_base_path):
# Nothing to do
sys.exit(0)
# Migrate "service dns dynamic interface"
# to "service dns dynamic address"
config.rename(old_base_path, new_base_path[-1])
for address in config.list_nodes(new_base_path):
# Migrate "service dns dynamic interface <interface> rfc2136 <config> record"
# to "service dns dynamic address <address> rfc2136 <config> host-name"
if config.exists(new_base_path + [address, 'rfc2136']):
for rfc_cfg in config.list_nodes(new_base_path + [address, 'rfc2136']):
if config.exists(new_base_path + [address, 'rfc2136', rfc_cfg, 'record']):
config.rename(new_base_path + [address, 'rfc2136', rfc_cfg, 'record'], 'host-name')
# Migrate "service dns dynamic interface <interface> service <config> login"
# to "service dns dynamic address <address> service <config> username"
if config.exists(new_base_path + [address, 'service']):
for svc_cfg in config.list_nodes(new_base_path + [address, 'service']):
if config.exists(new_base_path + [address, 'service', svc_cfg, 'login']):
config.rename(new_base_path + [address, 'service', svc_cfg, 'login'], 'username')
# Apply global 'ipv6-enable' to per <config> 'ip-version: ipv6'
if config.exists(new_base_path + [address, 'ipv6-enable']):
config.set(new_base_path + [address, 'service', svc_cfg, 'ip-version'], 'ipv6')
config.delete(new_base_path + [address, 'ipv6-enable'])
# Apply service protocol mapping upfront, they are not 'auto-detected' anymore
if svc_cfg in service_protocol_mapping:
config.set(new_base_path + [address, 'service', svc_cfg, 'protocol'],
service_protocol_mapping.get(svc_cfg))
# If use-web is set, then:
# Move "service dns dynamic address <address> <service|rfc2136> <service> ..."
# to "service dns dynamic address web <service|rfc2136> <service>-<address> ..."
# Move "service dns dynamic address web use-web ..."
# to "service dns dynamic address web web-options ..."
# Note: The config is named <service>-<address> to avoid name conflict with old entries
if config.exists(new_base_path + [address, 'use-web']):
for svc_type in ['rfc2136', 'service']:
if config.exists(new_base_path + [address, svc_type]):
config.set(new_base_path + ['web', svc_type])
config.set_tag(new_base_path + ['web', svc_type])
for svc_cfg in config.list_nodes(new_base_path + [address, svc_type]):
config.copy(new_base_path + [address, svc_type, svc_cfg],
new_base_path + ['web', svc_type, f'{svc_cfg}-{address}'])
# Multiple web-options were not supported, so copy only the first one
# Also, migrate web-options url to stricter format and transition
# checkip.dyndns.org to https://domains.google.com/checkip for better
# TLS support (see: https://github.com/ddclient/ddclient/issues/597)
if not config.exists(new_base_path + ['web', 'web-options']):
config.copy(new_base_path + [address, 'use-web'], new_base_path + ['web', 'web-options'])
if config.exists(new_base_path + ['web', 'web-options', 'url']):
url = config.return_value(new_base_path + ['web', 'web-options', 'url'])
if re.search("^(https?://)?checkip\.dyndns\.org", url):
config.set(new_base_path + ['web', 'web-options', 'url'], 'https://domains.google.com/checkip')
if not url.startswith(('http://', 'https://')):
config.set(new_base_path + ['web', 'web-options', 'url'], f'https://{url}')
config.delete(new_base_path + [address])
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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