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# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
# Deletes Wireguard peers if they have the same public key as the router has.
from vyos.configtree import ConfigTree
from vyos.utils.network import is_wireguard_key_pair
def migrate(config: ConfigTree) -> None:
base = ['interfaces', 'wireguard']
if not config.exists(base):
# Nothing to do
return
for interface in config.list_nodes(base):
if not config.exists(base + [interface, 'private-key']):
continue
private_key = config.return_value(base + [interface, 'private-key'])
interface_base = base + [interface]
if config.exists(interface_base + ['peer']):
for peer in config.list_nodes(interface_base + ['peer']):
peer_base = interface_base + ['peer', peer]
if not config.exists(peer_base + ['public-key']):
continue
peer_public_key = config.return_value(peer_base + ['public-key'])
if not config.exists(peer_base + ['disable']) \
and is_wireguard_key_pair(private_key, peer_public_key):
config.set(peer_base + ['disable'])

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