#!/bin/sh

IWCONFIG=/sbin/iwconfig

if [ ! -x $IWCONFIG ]; then
	exit 0
fi

# check if this is a 802.11 device we're supposed to be effecting
case "${IF_WIRELESS:-enable}" in
	wireless-tools|iwconfig)
		# *we* and not some other 802.11 tool should be used
	;;
	true|yes|enable|1)
		# 802.11 should be used on this device, check for extensions
		$IWCONFIG $IFACE >/dev/null 2>&1 || exit 0
	;;
	*)
		exit 0
	;;
esac

apply_settings()
{
	if [ -n "$IF_WIRELESS_MODE" ]; then
		$IWCONFIG "$IFACE" mode auto
	fi

	if [ -n "$IF_WIRELESS_AP" ]; then
		$IWCONFIG "$IFACE" ap off
	fi

	if [ -n "$IF_WIRELESS_RATE" ]; then
		$IWCONFIG "$IFACE" rate auto
	fi

	if [ -n "$IF_WIRELESS_RTS" ]; then
		$IWCONFIG "$IFACE" rts auto
	fi

	if [ -n "$IF_WIRELESS_FRAG" ]; then
		$IWCONFIG "$IFACE" frag auto
	fi

	if [ -n "$IF_WIRELESS_POWER" ]; then
		$IWCONFIG "$IFACE" power off
	fi

	if [ -n "$IF_WIRELESS_TXPOWER" ]; then
		$IWCONFIG "$IFACE" txpower auto
	fi

	if [ -n "$IF_WIRELESS_ENC" ]; then
		$IWCONFIG "$IFACE" enc off
	fi

	if [ -n "$IF_WIRELESS_KEY" ]; then
		$IWCONFIG "$IFACE" key off
	fi

	if [ -n "$IF_WIRELESS_DEFAULTKEY" ]; then
		$IWCONFIG "$IFACE" key off
	fi

	if [ -n "$IF_WIRELESS_NWID" ]; then
		$IWCONFIG "$IFACE" nwid off
	fi

	if [ -n "$IF_WIRELESS_ESSID" ]; then
		$IWCONFIG "$IFACE" essid any
	fi

	if [ -n "$IF_WIRELESS_COMMIT" ]; then
		$IWCONFIG "$IFACE" commit
	fi
}

apply_settings 2>/dev/null