#!/bin/bash -ex

HOSTNAME=openvpn

# set hostname
echo "$HOSTNAME" > /etc/hostname
sed -i "s|127.0.1.1 \(.*\)|127.0.1.1 $HOSTNAME|" /etc/hosts

#update
apt-get update

#install openvpn and bridge-utils for bridged VPNs
DEBIAN_FRONTEND=noninteractive apt-get -y \
    -o DPkg::Options::=--force-confdef \
    -o DPkg::Options::=--force-confold \
    install bridge-utils openvpn

#install tools needed to install webmin-openvpn module
apt-get install -y fakeroot wget

#download webmin-openvpn module with package tool
wget http://www.webmin.com/makemoduledeb.pl
wget http://www.openit.it/downloads/OpenVPNadmin/openvpn-2.5.wbm.gz

#decompress module
tar zxvf openvpn-2.5.wbm.gz

#create deb package from module
perl makemoduledeb.pl --license GPL openvpn

#install module package
dpkg -i /tmp/webmin-openvpn_1.250_all.deb

#configure module
OVPN_CONFIG=/etc/webmin/openvpn/config
sed -i "s|cmd=/opt|cmd=/usr/share|" $OVPN_CONFIG
sed -i -e "s|plugin=/opt/webmin|plugin=/usr/lib|" -e "s|/ovpn_plugin||" $OVPN_CONFIG

#cleanup
rm -rf /tmp/debian-module
rm -rf /tmp/webmin-openvepn_1.250_all.deb
rm -rf /root/openvpn
rm /root/makemoduledeb.pl
rm /root/openvpn-2.5.wbm.gz
apt-get remove -y fakeroot wget