#!/bin/bash
#usage ./kill.ftp.user something that would be in this line:
#23689  ?  S    0:00 ftpd: localhost: someone: IDLE
#where the stuff is:
#PID   tty sleep time ftpd source:    login  : activity
#ex.:
#./kill.ftp.user --kill IDLE
#./kill.ftp.user --kill 1.2.3.4
case "$1" in 
 "")
	echo "Missing option"
	echo "Usage kill.ftp.user [--list [mask]] " --kill mask
	;;

 "--help")
	echo "Usage kill.ftp.user [--list [pattern]] " --kill mask
	;;
 "--list")
	echo -e "current ftpwho:\n"

	if [ "$2" = "" ] ; then
        	ftpwho
	else
	if [ "`echo $2|grep  "-"`" != "" ];then
		echo "ERROR: invalid mask"
	else
		ftpwho | grep "$2"
	fi
	fi
		echo ""
	;;
"--kill")
	echo -e "current ftpwho:\n"
	ftpwho
	echo ""
	if [ "$2" = "" ];then
	        echo "ERROR: mask required"
	else
	if [ "`echo $2|grep  "-"`" != "" ];then
		echo "ERROR: invalid mask"
	else
		echo "killing ftp user with mask ""$2"""
		kill `ftpwho |grep $2| cut -d " " -f 1`
	fi
	fi
esac