This file is indexed.

/usr/sbin/raddebug is in freeradius 2.2.5+dfsg-0.2+deb8u1.

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
######################################################################
#
#    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.
#
#    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, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#
#    Copyright (C) 2009 Network RADIUS SARL <info@networkradius.com>
#
######################################################################
#
#  This script assumes that "radmin" is in PATH, and that the user
#  running this script has permission to connect to the radmin socket,
#  and to read/write files in the "logdir" directory.  If none of this is
#  true, then it won't work.
#
#   Usage: raddebug [-c condition] [-i client-ip-address] [-I client-ipv6-address] [-f socket_file] [-t timeout]  [-u username]
#
#

usage() {
    printf "Usage: %s: [-c condition] [-d directory] [-i client-ip-address] [-I client-ipv6-address] [-f socket_file] [-t timeout] [-u user]\n" $(basename $0) >&2
    exit 2
}

extra=
condition=1
timeout=60
while getopts 'd:c:i:I:f:t:u:' OPTION
do
  case $OPTION in
  c)	condition="$OPTARG"
	;;
  d)    [ "$extra" = "" ] || usage
	extra="-d $OPTARG"
	;;
  i)	condition="(Packet-Src-IP-Address == $OPTARG)"
	;;
  I)	condition="(Packet-Src-IPv6-Address == $OPTARG)"
	;;
  f)	[ "$extra" = "" ] || usage
	extra="-f $OPTARG"
	;;
  t)	timeout="$OPTARG"
	[ "$timeout" = "0" ] && timeout=1000000
	;;
  u)	condition="(User-Name == $OPTARG)"
	;;
  ?)	usage
	;;
  esac
done
shift $(($OPTIND - 1))

radmin="radmin $extra"

#
#  Start off by turning off debugging.
#  If there's a problem, die.
#
$radmin -e "debug condition"
if [ "$?" != "0" ]; then
  exit 1
fi

#
#  Debug to a file, and then tell us where the file is.
#
outfile=`$radmin -e "debug file radmin.debug.$$" -e "show debug file"`
group=`$radmin -e "debug file radmin.debug.$$" -e "show config group"`

#
#  If there was an error setting the debug output, re-set the
#  debug condition, echo the error, and exit.
#
echo $outfile | grep 'ERROR' >/dev/null 2>&1
if [ "$?" = "0" ]; then
  $radmin -e "debug condition"
  echo $outfile
  exit 1
fi

#
#  Truncate the file, and ensure it's writable by radiusd
#
cp /dev/null $outfile
[ "$group" != "" ] && chgrp $group $outfile
chmod g+w $outfile

TAILPID=$$

#
#  Set the trap to clean up on exit and any interrupts.
#
trap '$radmin -e "debug condition" -e "debug file"; rm -f $outfile;kill -TERM $TAILPID;exit 0' 1 2 15

#
#  Set the debug condition
#
$radmin -e "debug condition \"$condition\""

#
#  Print the output, and wait for "timeout".  Then, stop printing.
#
tail -f $outfile &
TAILPID=$!
sleep $timeout
kill -TERM $TAILPID
$radmin -e "debug condition" -e "debug file"
rm -f $outfile