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#!/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" ifname

		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 "$cfg" ifname
)}


wifi_updown() {
	[ enable = "$1" ] && wifi_updown disable "$2"
	for device in ${2:-$DEVICES}; do (
		config_get disabled "$device" disabled
		[ 1 == "$disabled" ] && {
			echo "'$device' is disabled"
			set disable
		}
		config_get iftype "$device" type
		if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then
			eval "scan_$iftype '$device'"
			eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed"
		else
			echo "$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"
)}

set_wifi_up() {
	local cfg="$1"
	local ifname="$2"
	uci_set_state wireless "$cfg" up 1
	uci_set_state wireless "$cfg" ifname "$ifname"
}

set_wifi_down() {
	local cfg="$1"
	local vifs vif vifstr

	uci_revert_state wireless "$cfg"
	config_get vifs "$cfg" vifs
	for vif in $vifs; do
		uci_revert_state wireless "$vif"
	done
}

scan_wifi() {
	local cfgfile="$1"
	config_cb() {
		config_get TYPE "$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 "$vifs"
			;;
		esac
	}
	config_load "${cfgfile:-wireless}"
}

DEVICES=
DRIVERS=
include /lib/wifi
scan_wifi

case "$1" in
	down) wifi_updown "disable" "$2";;
	detect) wifi_detect "$2";;
	*) wifi_updown "enable" "$2";;
esac