#!/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/>. import sys import argparse import json from vyos.config import Config from vyos.util import popen from vyos.util import run from vyos.util import DEVNULL from tabulate import tabulate occtl = '/usr/bin/occtl' occtl_socket = '/run/ocserv/occtl.socket' def show_sessions(): out, code = popen("sudo {0} -j -s {1} show users".format(occtl, occtl_socket),stderr=DEVNULL) if code: sys.exit('Cannot get openconnect users information') else: headers = ["interface", "username", "ip", "remote IP", "RX", "TX", "state", "uptime"] sessions = json.loads(out) ses_list = [] for ses in sessions: ses_list.append([ses["Device"], ses["Username"], ses["IPv4"], ses["Remote IP"], ses["_RX"], ses["_TX"], ses["State"], ses["_Connected at"]]) if len(ses_list) > 0: print(tabulate(ses_list, headers)) else: print("No active openconnect sessions") def is_ocserv_configured(): if not Config().exists_effective('vpn openconnect'): print("vpn openconnect server is not configured") sys.exit(1) def main(): #parese args parser = argparse.ArgumentParser() parser.add_argument('--action', help='Control action', required=True) parser.add_argument('--selector', help='Selector username|ifname|sid', required=False) parser.add_argument('--target', help='Target must contain username|ifname|sid', required=False) args = parser.parse_args() # Check is Openconnect server configured is_ocserv_configured() if args.action == "restart": run("sudo systemctl restart ocserv.service") sys.exit(0) elif args.action == "show_sessions": show_sessions() if __name__ == '__main__': main()