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#!/bin/sh
# $OpenBSD: skeyaudit.sh,v 1.4 1996/09/29 04:46:18 millert Exp $
# This script will look thru the skeykeys file for
# people with sequence numbers less then LOWLIMIT=12
# and send them an e-mail reminder to use skeyinit soon
#
AWK=/usr/bin/awk
GREP=/usr/bin/grep
ECHO=/bin/echo
KEYDB=/etc/skeykeys
LOWLIMIT=12
ADMIN=root
SUBJECT="Reminder: Run skeyinit"
HOST=`/bin/hostname`
if [ "$1" != "" ]
then
LOWLIMIT=$1
fi
# an skeykeys entry looks like
# jsw 0076 la13079 ba20a75528de9d3a
# the sequence number is the second entry
#
for i in `$AWK '{print $1}' $KEYDB`
do
SEQ=`$GREP "^$i[ ]" $KEYDB | $AWK '{if ($2 ~ /^[A-z]/) {print $3} else {print $2}}'`
if [ $SEQ -lt $LOWLIMIT ]
then
KEY=`$GREP "^$i[ ]" $KEYDB | $AWK '{if ($2 ~ /^[A-z]/) {print $4} else {print $3}}'`
if [ $SEQ -lt 3 ]
then
SUBJECT="IMPORTANT action required"
fi
(
$ECHO "You are nearing the end of your current S/Key sequence for account $i"
$ECHO "on system $HOST."
$ECHO ""
$ECHO "Your S/key sequence number is now $SEQ. When it reaches zero you"
$ECHO "will no longer be able to use S/Key to login into the system. "
$ECHO " "
$ECHO "Type \"skeyinit -s\" to reinitialize your sequence number."
$ECHO ""
) | /usr/bin/Mail -s "$SUBJECT" $i $ADMIN
fi
done
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