Script for killing a process owned by root using sudo as localuser

This is the script for giving permission for a local user to kill a proces (here its java) owned by root user.

Ther process to kill, the following conditions should be matched

1. it should be a java process

2. There should be only single process with this id

3. it should be owned by root

4. The user should run it as using sudo.

#!/usr/bin/bash

#Script for killing java proces which is failed to stop by jboss shutdow script.

#Written by latheefp@gmail.com

#echo "The process ID is $1"

#echo "Press return to continue"

read

if [ ! $1 ];

then

echo "Process ID is Empty"

echo "Syntax Error. Usage: $0 "

exit

fi

#This must to be run as root

export ID=`/usr/ucb/whoami`

if [ "$ID" != "root" ]

then

echo '';

echo "You must use sudo to run this program";

echo "Syntax Error. Usage: sudo $0 "

echo '';

exit

fi

PID=$1

#Making sure, its a number

case $PID in

*[!0-9]*) echo "The process ID should be a number";

echo "Syntax Error. Usage: $0 "

exit

esac

#making sure its java, owned by root

if [ `ps -ef|grep $PID|grep -v grep|grep java|grep root|wc -l` -eq 1 ]

then

ps -ef|grep $PID|grep -v grep|grep -v $0

echo " "

echo -n "Do you want to kill this proces: (y/n):"

read answer

if [ "$answer" == "y" ] #condition for checking the user input

then

echo "Killing the process"

kill -9 $PID

if [ `ps -ef|grep $PID|grep -v grep|grep java|grep root|wc -l` -eq 1 ] #Checking process is relly killed or not

then

echo "Unable to kill the process $PID, Please contact System Admin for support"; fi

else

echo "Exiting without killing"

fi

else

echo "Please check the PID, Try with single PID"

echo "Syntax Error. Usage: $0 "

exit

fi