#! /bin/sh
#
# Script to report (on screen, if no redirection) on expired passwords.

tmpfile="/tmp/checkexpd.$$"

if [ `whoami` != "root" ]
then
   echo "Only root can run this script"
   exit 1
fi

month=`date +%b`         
day=`date +%e`           
year=`date +%Y`          
now="$month $day, $year" 

cat /etc/passwd | cut -d ':' -f1 > "$tmpfile"
sync
sleep 1

while read id
do
   line=`chage -l $id | grep "Password Expires:"`
   expdate=`echo $line | cut -d ' ' -f3-`  
   result=`datecmp $expdate $now` 
   if [ $result -eq -1 ]           
   then                           
      echo -e "$id      \t$expdate"
   fi                             
done < "$tmpfile"

sync
sleep 1
rm $tmpfile
exit 0