{stdenv, fetchurl, iproute, lzo, openssl}:

stdenv.mkDerivation rec {
  name = "openvpn-2.2.2";

  src = fetchurl {
    url = "http://swupdate.openvpn.net/community/releases/${name}.tar.gz";
    sha256 = "005cpvdvh8pvsn3bc96lrznlkcccbz5jqa62hipb58rf1qk8pjjl";
  };

  buildInputs = [ iproute lzo openssl ];

  configureFlags = ''
    --enable-password-save
    --enable-iproute2
    --with-iproute-path=${iproute}/sbin/ip
  '';

  postInstall = ''
    mkdir -p $out/share/doc/openvpn/examples
    cp -r sample-config-files/ $out/share/doc/openvpn/examples
    cp -r sample-keys/ $out/share/doc/openvpn/examples
    cp -r easy-rsa/ $out/share/doc/openvpn/examples
    rm -r $out/share/doc/openvpn/examples/easy-rsa/Windows
    cp -r sample-scripts/ $out/share/doc/openvpn/examples
  '';

  meta = { 
      description="OpenVPN is a robust and highly flexible tunneling application compatible with many OSes.";
      homepage="http://openvpn.net/";
      license = "GPLv2";
      maintainers = with stdenv.lib.maintainers; [viric];
      platforms = with stdenv.lib.platforms; linux;
  };
}