This file is indexed.

/usr/lib/ipsec/_imv_policy is in strongswan-tnc-server 5.6.2-1ubuntu2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#! /bin/sh
# default TNC policy command script
#
# Copyright 2013 Andreas Steffen
# HSR Hochschule fuer Technik Rapperswil
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
#
# 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.
#
# CAUTION:  Installing a new version of strongSwan will install a new
# copy of this script, wiping out any custom changes you make.  If
# you need changes, make a copy of this under another name, and customize
# that, and use the "libimcv.policy_script = " option in strongswan.conf
# to make strongSwan use yours instead of this default one.

# Passed arguments
#
#    $1
#         action
#    $2
#         unique session ID used as a reference by the policy
#         manager.
#
case "$1" in
start)
	echo "start session $2"
	;;
stop)
	echo "stop session $2"
	;;
*)	echo "$0: unknown command '$1'"
	exit 1
	;;
esac