let the choice

because it's more clean

enhancement

openvpn-install.sh

@@ -68,7 +68,14 @@ newclient () {
 # and to avoid getting an IPv6.
 IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -o -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
 if [[ "$IP" = "" ]]; then
+	read -p "Can I search your ip on Internet ? (y|n) " search_ip
+	if [[ $search_ip = "y" ]]; then
 		IP=$(wget -qO- ipv4.icanhazip.com)
+	else
+		echo "So, I cannot continue without the server ip...
+		Exiting...";exit 0;
+	fi
+	unset search_ip
 fi
 
 
@@ -126,6 +133,7 @@ if [[ -e /etc/openvpn/server.conf ]]; then
 			cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
 			echo ""
 			echo "Certificate for client $CLIENT revoked"
+			echo "Exiting..."
 			exit
 			;;
 			3)
@@ -220,8 +228,10 @@ else
 	done
 	echo ""
 	echo "Finally, tell me your name for the client cert"
+	while [[ $CLIENT = "" ]]; do
 		echo "Please, use one word only, no special characters"
 		read -p "Client name: " -e -i client CLIENT
+	done
 	echo ""
 	echo "Okay, that was all I needed. We are ready to setup your OpenVPN server now"
 	read -n1 -r -p "Press any key to continue..."
@@ -489,3 +499,4 @@ tls-client" > /etc/openvpn/client-common.txt
 	echo "Your client config is available at ~/$CLIENT.ovpn"
 	echo "If you want to add more clients, you simply need to run this script another time!"
 fi
+exit 0;