#!/usr/bin/env python3 # # Copyright (C) 2019 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 os import sys import re import subprocess # from subprocess import Popen, PIPE # chech connection to pptp and l2tp daemon def get_sessions(): absent_pptp = False absent_l2tp = False pptp_cmd = ["accel-cmd", "-p 2003", "show sessions"] l2tp_cmd = ["accel-cmd", "-p 2004", "show sessions"] err_pattern = "^Connection.+failed$" # This value for chack only output header without sessions. len_def_header = 170 # Check pptp ret = subprocess.Popen(pptp_cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) (output, err) = ret.communicate() if not err and len(output.decode("utf-8")) > len_def_header and not re.search(err_pattern, output.decode("utf-8")): print(output.decode("utf-8")) else: absent_pptp = True # Check l2tp ret = subprocess.Popen(l2tp_cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) (output, err) = ret.communicate() if not err and len(output.decode("utf-8")) > len_def_header and not re.search(err_pattern, output.decode("utf-8")): print(output.decode("utf-8")) else: absent_l2tp = True if absent_l2tp and absent_pptp: print("No active remote access VPN sessions") def main(): get_sessions() if __name__ == '__main__': main()