show_vpn_ra.py
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show_vpn_ra.py
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	#!/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

	from vyos.util import popen

	# 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
	output, err = popen(pptp_cmd, decode='utf-8')
	if not err and len(output) > len_def_header and not re.search(err_pattern, output):
	print(output)
	else:
	absent_pptp = True

	# Check l2tp
	output, err = popen(l2tp_cmd, decode='utf-8')
	if not err and len(output) > len_def_header and not re.search(err_pattern, output):
	print(output)
	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()