openwrt/package/base-files/default/sbin/wifi

#!/bin/sh
# Copyright (C) 2006 OpenWrt.org

. /etc/functions.sh

find_net_config() {(
	local vif="$1"
	local cfg
	local ifname

	config_get cfg "$vif" network

	[ -z "$cfg" ] && {
		include /lib/network
		scan_interfaces

		config_get ifname "$vif" ifnamea

		cfg="$(find_config "$ifname")"
	}
	[ -z "$cfg" ] && return 0
	echo "$cfg"
)}


bridge_interface() {(
	local cfg="$1"
	[ -z "$cfg" ] && return 0

	include /lib/network
	scan_interfaces

	config_get iftype "$cfg" type
	[ "$iftype" = bridge ] && config_get "$iftype" ifname
)}


wifi_up() {
	for device in ${2:-$DEVICES}; do (
		config_get iftype "$device" type
		if eval "type enable_$iftype" 2>/dev/null >/dev/null; then
			eval "scan_$iftype '$device'"
			eval "enable_$iftype '$device'" || echo "$device($iftype): Setup failed"
		else
			echo "$device($iftype): Interface type not supported"
		fi
	); done
}

wifi_down() {
	for device in ${2:-$DEVICES}; do (
		config_get iftype "$device" type
		if eval "type disable_$iftype" 2>/dev/null >/dev/null; then
			eval "scan_$iftype '$device'"
			eval "disable_$iftype '$device'" || echo "$device($iftype): Disable failed"
		else
			echo "$device($iftype): Interface type not supported"
		fi
	); done
}

wifi_detect() {
	for driver in ${2:-$DRIVERS}; do (
		if eval "type detect_$driver" 2>/dev/null >/dev/null; then
			eval "detect_$driver" || echo "$driver: Detect failed" >&2
		else
			echo "$driver: Hardware detection not supported" >&2
		fi
	); done
}

start_net() {(
	local iface="$1"
	local config="$2"

	include /lib/network
	scan_interfaces
	setup_interface "$1" "$2"
)}

config_get_bool() {
	local _tmp
	config_get "$1" "$2" "$3"
	eval "_tmp=\$$1"
	case "$_tmp" in
		1|on|enabled) eval "$1=1";;
		0|off|disabled) eval "$1=0";;
		*) eval "$1=${4:-0}";;
	esac
}

config_cb() {
	config_get TYPE "$CONFIG_SECTION" TYPE
	case "$TYPE" in
		wifi-device)
			append DEVICES "$CONFIG_SECTION"
		;;
		wifi-iface)
			config_get device "$CONFIG_SECTION" device
			config_get vifs "$device" vifs 
			append vifs "$CONFIG_SECTION"
			config_set "$device" vifs "$vifs"
		;;
	esac
}

DEVICES=
DRIVERS=
config_load wireless
include /lib/wifi

case "$1" in
	down) wifi_down "$2";;
	detect) wifi_detect "$2";;
	*) wifi_up "$2";;
esac