#!/bin/sh
NTPDATE=/usr/local/bin/ntpdate
NSLOOKUP=/usr/sbin/nslookup
EGREP=/bin/egrep
AWK=/bin/awk
RM=/bin/rm
FILE=/tmp/ntp.$$
USAGE="Usage: $0 hostname [hostname ...]"
if [ $then
echo $USAGE 2>&1
exit 1
fi
trap '$RM -f $FILE; exit' 1 2 3 4 13 15
for HOST in $*
do
HOSTNAME=`$NSLOOKUP $HOST | $EGREP "Name:" | $AWK '{print $2}'`
if [ -n "$HOSTNAME" ]
then
$NTPDATE -d $HOST 2>/dev/null | $EGREP '^stratum|^delay|^offset|^originate' > $FILE
STRATUM=`$EGREP '^stratum' $FILE | $AWK '{print $2}'`
OFFSET=`$EGREP '^offset' $FILE | $AWK '{print $2}'`
DELAY=`$EGREP '^delay' $FILE | $AWK '{print $2}'`
TIMESTAMP=`$EGREP '^originate' $FILE | $AWK '{print $4 " " $5 " " $6 " " $7 " " $8}'`
if [ "$STRATUM" -ne 0 ]
then
echo "$HOSTNAME: stratum:$STRATUM delay:$DELAY offset:$OFFSET $TIMESTAMP"
else
echo $HOSTNAME: Not running NTP
fi
fi
done
$RM -f $FILE