#!/bin/bash

clear

echo "
########################################################
 ####    Installation and configuration of vpnc       ####
  ####                                                 ####
   ####         Cisco VPN Config Script                 ####
  ####                                                 ####
 ####    Scriptauthor: David Starzengruber            ####
########################################################
"

# scriptconfiguration (if you want to skip the config wizard)
connection_name="aec"
vpn_user="<user>"
vpn_password="<password>"
vpn_gate="<ip>"
vpn_group="<vpn-group>"
vpn_group_password="<group-secret>"
command=""

# sudo check
if [ $USER != "root" ]; then
    echo "
Sorry $USER, you need to run this script as user root! (try: sudo ./vpnc.sh)
"
    exit
fi

# configuration wizard
clear
echo "Cisco VPN config wizard"
echo "Enter a name for this connection:"
read connection_name
clear
echo "Cisco VPN config wizard"
echo "Enter $connection_name VPN Gateway:"
read vpn_gate
clear
echo "Cisco VPN config wizard"
echo "Enter $connection_name VPN Username:"
read vpn_user
clear
echo "Cisco VPN config wizard"
echo "Enter $connection_name VPN Password:"
read vpn_password
clear
echo "Cisco VPN config wizard"
echo "Enter $connection_name VPN Group:"
read vpn_group
clear
echo "Cisco VPN config wizard"
echo "Enter $connection_name VPN Group Password:"
read vpn_group_password
clear
echo "Cisco VPN config wizard"
echo "Enter any command which should be executed on connect:"
read command
clear

# installation via package-manager
echo Installing vpnc..
apt-get install -y vpnc | grep already

# adding connection script
echo "Creating connection script. (/usr/local/bin/connect-$connection_name)"
echo "echo Starting VPNC Deamon..
sudo vpnc-connect /etc/vpnc/$connection_name.cfg
$command
echo Custom command executed.
" > /usr/local/bin/connect-$connection_name

# adding configuration file
echo "Creating $connection_name configuration file..."
echo "IPSec gateway $vpn_gate
IPSec ID $vpn_group
IPSec secret $vpn_group_password
Xauth username $vpn_user
Xauth password $vpn_password" > /etc/vpnc/$connection_name.cfg

#setting executeperms
chmod 775 /usr/local/bin/connect-$connection_name

#finish
echo "
########################################################
 ####    Installation and configuration of vpnc       ####
  ####                                                 ####
   ####         Cisco VPN Config Script                 ####
  ####                                                 ####
 ####    Scriptauthor: David Starzengruber            ####
########################################################
"
echo "Everythings done!
Configfilepath: /etc/vpnc/$connection_name.cfg
Startscriptpath: /usr/local/bin/connect-$connection_name
VPN connect command: connect-$connection_name
"