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# Copyright 2018 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/>.
import re
import json
from vyos.ifconfig import Interface
import subprocess
import netifaces
def wireguard_dump():
"""Dump wireguard data in a python friendly way."""
last_device=None
output = {}
# Dump wireguard connection data
_f = subprocess.check_output(["wg", "show", "all", "dump"]).decode()
for line in _f.split('\n'):
if not line:
# Skip empty lines and last line
continue
items = line.split('\t')
if last_device != items[0]:
# We are currently entering a new node
device, private_key, public_key, listen_port, fw_mark = items
last_device = device
output[device] = {
'private_key': None if private_key == '(none)' else private_key,
'public_key': None if public_key == '(none)' else public_key,
'listen_port': int(listen_port),
'fw_mark': None if fw_mark == 'off' else int(fw_mark),
'peers': {},
}
else:
# We are entering a peer
device, public_key, preshared_key, endpoint, allowed_ips, latest_handshake, transfer_rx, transfer_tx, persistent_keepalive = items
if allowed_ips == '(none)':
allowed_ips = []
else:
allowed_ips = allowed_ips.split('\t')
output[device]['peers'][public_key] = {
'preshared_key': None if preshared_key == '(none)' else preshared_key,
'endpoint': None if endpoint == '(none)' else endpoint,
'allowed_ips': allowed_ips,
'latest_handshake': None if latest_handshake == '0' else int(latest_handshake),
'transfer_rx': int(transfer_rx),
'transfer_tx': int(transfer_tx),
'persistent_keepalive': None if persistent_keepalive == 'off' else int(persistent_keepalive),
}
return output
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