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#! /bin/bash
# Originally contributed by Thomas Jost: https://bugs.archlinux.org/task/21490

. /usr/lib/network/network

openvpn_up() {
    load_profile "$1"
    [[ -z "$OVPN_CONFIG" ]] && OVPN_CONFIG="/etc/openvpn/openvpn.conf"
    [[ -z "$OVPN_PID_FILE" ]] && OVPN_PID_FILE="/run/openvpn-$1.pid"
    [[ -z "$OVPN_FLAGS" ]] && OVPN_FLAGS=""

    OVPN_CONF_DIR="`dirname $OVPN_CONFIG`"
    OVPN_CONF_FILE="`basename $OVPN_CONFIG`"

    /usr/sbin/openvpn --writepid $OVPN_PID_FILE --daemon --cd "$OVPN_CONF_DIR" --config "$OVPN_CONF_FILE" $OVPN_FLAGS

    if [[ $? -ne 0 ]]; then
       report_fail "OpenVPN connection failed"
       exit 1
    fi

    # Generate a new resolv.conf
    if [[ -n "$DNS" ]]; then
        [[ -e /etc/resolv.conf ]] && cp /etc/resolv.conf /tmp/openvpn-$1-resolv.conf
        : >/etc/resolv.conf
        [[ -n "$DOMAIN" ]] && echo "domain $DOMAIN"   >>/etc/resolv.conf
        [[ -n "$SEARCH" ]] && echo "search $SEARCH"   >>/etc/resolv.conf
        for dns in "${DNS[@]}"; do
            echo "nameserver $dns" >>/etc/resolv.conf
        done
    fi
}

openvpn_down() {
    load_profile "$1"
    [[ -z "$OVPN_PID_FILE" ]] && OVPN_PID_FILE="/run/openvpn-$1.pid"

    kill $(head -1 $OVPN_PID_FILE)
    rm $OVPN_PID_FILE

    # Restore an old resolv.conf
    if [[ -e /tmp/openvpn-$1-resolv.conf ]]; then
        mv -f /tmp/openvpn-$1-resolv.conf /etc/resolv.conf
    fi
}

openvpn_$1 "$2"
exit $?
# vim: ft=sh ts=4 et sw=4: