#! /bin/bash

set -e
set +x
PATH="/usr/sbin:/usr/bin:/sbin:/bin"

MSG_NETWORK_SCAN=""
MSG_NETWORK=""
MSG_LOGIN_USER=$(gettext "User's login to connect the servers")
MSG_USER=$(gettext "User:")
MSG_ERROR_NAME_USER=$(gettext "Login field empty")
MSG_CHECK_MACHINES=$(gettext "Checking online servers")
MSG_WAITING=$(gettext "Wait please...")
MSG_NO_SERVER_PRESENT=$(gettext "N")

LANG="es_ES.UTF-8"
#use the proxy port to scan
port="80"
num_servers=1
servers_file="servers"

#Ask for the network to scan
network=$(zenity --width="200" --entry --title="Introduce la red en la que buscar los servidores X.X.X.X/XX" --text="Red:")

#Ask for a user to connect with
usuario=$(zenity --width="500" --entry --title="Introduce el usuario con el que te quieres conectar" --text="Usuario:")
#If the user is empty we finish
	if [ -z $usuario ]
	then
		echo "No ha introducido el nombre del usuario."
		exit
	fi

#Obtain registrered active clients
if [ true ]; then
	echo "1"
	nmap -p $port -sS -oG $servers_file $network
	cat $servers_file| grep open|cut -d " " -f2>servers.tmp
	cat servers.tmp | sed -e 's/^/'$usuario'@/g'>$servers_file
	rm servers.tmp
	echo "2"
	#remove the server IP
	#cat $servers_file| grep -v $(llxcfg-listvars --values|grep ^SRV_IP | cut -d "=" -f2|cut -d "'" -f2)>servers
fi |zenity --progress --pulsate --width="300" --auto-close --title="Comprobando equipos activos" --text="Espere por favor..." --percentage=0 

#Check if there are any client connected
if [ ! -f $servers_file ]
then
	echo "no se ha detectado ningún servidor"
else
	#Show a list with the connected servers 
	zenity --question --text="Hay "$(wc -l < $servers_file)" equipos conectados en la red "$(echo $network|cut -d "/" -f1)": \n"$(cat $servers_file|cut -d "." -f4|tr -s "\n" ",")" \n¿Desea continuar?"
	if [ $? -eq 0 ]
	then

		#Connect to all clients in the list
		cssh $(cat $servers_file) #2> /dev/null
		#rm $servers_file
	else
		exit
	fi
fi