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#!/sbin/runscript
OPENVPN=`which openvpn 2>/dev/null`
TUNCTL=`which tunctl 2>/dev/null`
if [ -x "$OPENVPN" ] ; then
CREATETAP="$OPENVPN --mktun --dev"
else
CREATETAP="$TUNCTL -t"
fi
start() {
# verify tun/tap support in kernel
if ! [ -e /dev/net/tun ] ; then
modprobe tun 2>&1 >/dev/null && sleep 1
if ! [ -e /dev/net/tun ] ; then
eerror "Tun/Tap support is not present in kernel"
return 1
fi
fi
# verify if openvpn is present
if [ -x "$OPENVPN" ] ; then
MKTUNTAP="$OPENVPN --mktun --dev"
elif [ -x "$TUNCTL" ] ; then
MKTUNTAP="$TUNCTL -t"
else
eerror "Needs openvpn or tunctl to create Tun/Tap devices"
return 1
fi
# create devices
for iface in $DEVICES ; do
ebegin "Creating Tun/Tap interface $iface"
$MKTUNTAP $iface >/dev/null
eend $?
done
}
stop() {
ebegin "Destroying Tun/Tap interfaces"
rmmod tun 2>/dev/null
eend $?
}
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