Add support for openvpn

#############################################################

#

# openvpn

#

# NOTE: Uses start-stop-daemon in init script, so be sure

# to enable that within busybox

#

#############################################################

OPENVPN_SOURCE:=openvpn-1.5.0.tar.gz

OPENVPN_SITE:=http://aleron.dl.sourceforge.net/sourceforge/openvpn/

OPENVPN_DIR:=$(BUILD_DIR)/openvpn-1.5.0

OPENVPN_CAT:=zcat

OPENVPN_BINARY:=openvpn

OPENVPN_TARGET_BINARY:=usr/sbin/openvpn

#OPENVPN_PATCH:=$(SOURCE_DIR)/openvpn.patch

$(DL_DIR)/$(OPENVPN_SOURCE):

	 $(WGET) -P $(DL_DIR) $(OPENVPN_SITE)/$(OPENVPN_SOURCE)

openvpn-source: $(DL_DIR)/$(OPENVPN_SOURCE)

$(OPENVPN_DIR)/.unpacked: $(DL_DIR)/$(OPENVPN_SOURCE)

	$(OPENVPN_CAT) $(DL_DIR)/$(OPENVPN_SOURCE) | tar -C $(BUILD_DIR) -xvf -

	#cat $(OPENVPN_PATCH) | patch -p1 -d $(OPENVPN_DIR)

	touch $(OPENVPN_DIR)/.unpacked

$(OPENVPN_DIR)/.configured: $(OPENVPN_DIR)/.unpacked

	(cd $(OPENVPN_DIR); rm -rf config.cache; \

		$(TARGET_CONFIGURE_OPTS) \

		./configure \

		--target=$(GNU_TARGET_NAME) \

		--host=$(GNU_TARGET_NAME) \

		--build=$(GNU_HOST_NAME) \

		--prefix=/usr \

		--exec-prefix=/usr \

		--bindir=/usr/bin \

		--sbindir=/usr/sbin \

		--libexecdir=/usr/lib \

		--sysconfdir=/etc \

		--datadir=/usr/share \

		--localstatedir=/var \

		--mandir=/usr/man \

		--infodir=/usr/info \

		--program-prefix="" \

	);

	touch  $(OPENVPN_DIR)/.configured

$(OPENVPN_DIR)/$(OPENVPN_BINARY): $(OPENVPN_DIR)/.configured

	$(MAKE) -C $(OPENVPN_DIR)

$(TARGET_DIR)/$(OPENVPN_TARGET_BINARY): $(OPENVPN_DIR)/$(OPENVPN_BINARY)

	$(MAKE) DESTDIR=$(TARGET_DIR) -C $(OPENVPN_DIR) install

	mkdir -p $(TARGET_DIR)/etc/openvpn

	cp $(SOURCE_DIR)/openvpn $(TARGET_DIR)/etc/init.d/openvpn

	rm -rf $(TARGET_DIR)/share/locale $(TARGET_DIR)/usr/info \

		$(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/doc

openvpn: uclibc lzo $(TARGET_DIR)/$(OPENVPN_TARGET_BINARY)

openvpn-clean:

	$(MAKE) DESTDIR=$(TARGET_DIR) -C $(OPENVPN_DIR) uninstall

	-$(MAKE) -C $(OPENVPN_DIR) clean

openvpn-dirclean:

	rm -rf $(OPENVPN_DIR)

#!/bin/sh -e

#

# Original version by Robert Leslie

# <rob@mars.org>, edited by iwj and cs

# Modified for openvpn by Alberto Gonzalez Iniesta <agi@agi.as>

# Modified for restarting / starting / stopping single tunnels by Richard Mueller <mueller@teamix.net>

test $DEBIAN_SCRIPT_DEBUG && set -v -x

DAEMON=/usr/sbin/openvpn

CONFIG_DIR=/etc/openvpn

test -x $DAEMON || exit 0

test -d $CONFIG_DIR || exit 0

start_vpn () {

    $DAEMON --daemon --writepid /var/run/openvpn.$NAME.pid \

            --config $CONFIG_DIR/$NAME.conf --cd $CONFIG_DIR || echo -n " FAILED->"

    echo -n " $NAME"

}

stop_vpn () {

   kill `cat $PIDFILE` || true

  rm $PIDFILE

}

case "$1" in

start)

  echo -n "Starting openvpn:"

  if test -z $2 ; then

    for CONFIG in `cd $CONFIG_DIR; ls *.conf 2> /dev/null`; do

      NAME=${CONFIG%%.conf}

      start_vpn

    done

  else

    if test -e $CONFIG_DIR/$2.conf ; then

      NAME=$2

      start_vpn

    else

      echo -n " No such VPN: $2"

    fi

  fi

  echo "."

  ;;

stop)

  echo -n "Stopping openvpn:"

  if test -z $2 ; then

    for PIDFILE in `ls /var/run/openvpn.*.pid 2> /dev/null`; do

      NAME=`echo $PIDFILE | cut -c18-`

      NAME=${NAME%%.pid}

      stop_vpn

      echo -n " $NAME"

    done

  else

    if test -e /var/run/openvpn.$2.pid ; then

      PIDFILE=`ls /var/run/openvpn.$2.pid 2> /dev/null`

      NAME=`echo $PIDFILE | cut -c18-`

      NAME=${NAME%%.pid}

      stop_vpn

      echo -n " $NAME"

    else

      echo -n " No such VPN: $2"

    fi

  fi

  echo "."

  ;;

# We only 'reload' for running VPNs. New ones will only start with 'start' or 'restart'.

reload|force-reload)

  echo -n "Reloading openvpn:"

  for PIDFILE in `ls /var/run/openvpn.*.pid 2> /dev/null`; do

    NAME=`echo $PIDFILE | cut -c18-`

    NAME=${NAME%%.pid}

# If openvpn if running under a different user than root we'll need to restart

    if egrep '^( |\t)*user' $CONFIG_DIR/$NAME.conf > /dev/null 2>&1 ; then

      stop_vpn

      sleep 1

      start_vpn

      echo -n "(restarted)"

    else

      kill -HUP `cat $PIDFILE` || true

#    start-stop-daemon --stop --signal HUP --quiet --oknodo \

#      --exec $DAEMON --pidfile $PIDFILE

    echo -n " $NAME"

    fi

  done

  echo "."

  ;;

restart)

  $0 stop $2

  sleep 1

  $0 start $2

  ;;

*)

  echo "Usage: $0 {start|stop|reload|restart|force-reload}" >&2

  exit 1

  ;;

esac

exit 0

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