NetBSD/usr.bin/skey/skeyaudit.sh

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#!/bin/sh
#
# $NetBSD: skeyaudit.sh,v 1.4 2000/07/27 14:40:58 mjl Exp $
#
# This script will look thru the skeykeys file for
# people with sequence numbers less than 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=$1
fi
if [ ! -s "${KEYDB}" ]; then
exit 0
fi
# an skeykeys entry looks like
# jsw 0076 la13079 ba20a75528de9d3a
# #oot md5 0005 aspa26398 9432d570ff4421f0 Jul 07,2000 01:36:43
# mjl sha1 0099 alpha2 459a5dac23d20a90 Jul 07,2000 02:14:17
# the sequence number is the second (or third) entry
#
SKEYS=`$AWK '/^#/ {next} {if($2 ~ /^[0-9]+$/) print $1,$2,$3; else print $1,$3,$4; }' $KEYDB`
set -- ${SKEYS}
while [ "X$1" != "X" ]; do
USER=$1
SEQ=$2
KEY=$3
shift 3
# echo "$USER -- $SEQ -- $KEY"
if [ $SEQ -lt $LOWLIMIT ]; then
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 "Use \"skeyinit -s\" to reinitialize your sequence number."
$ECHO ""
) | /usr/bin/Mail -s "$SUBJECT" $USER $ADMIN
fi
done