openrc/init.d.misc/wpa_supplicant.in

#!@PREFIX@/sbin/runscript
# Copyright 2009 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.

command=/usr/sbin/wpa_supplicant
wpa_supplicant_conf=/etc/wpa_supplicant.conf
wpa_supplicant_if=${wpa_supplicant_if:+-i}${wpa_supplicant_if}
command_args="-B -c${wpa_supplicant_conf} ${wpa_supplicant_if}"
name="WPA Supplicant Daemon"

depend()
{
	need localmount
	use logger
	after bootmisc modules
	before dns dhcpcd net
}

find_wireless()
{
	local iface=

	case "${RC_UNAME}" in
	Linux)
		for iface in /sys/class/net/*; do
			if [ -e "${iface}"/wireless ]; then
				echo "${iface##*/}"
				return 0
			fi
		done
		;;
	*)
		for iface in /dev/net/* $(ifconfig -l 2>/dev/null); do
			if ifconfig "${iface##*/}" 2>/dev/null | \
				grep -q "[ ]*ssid "
			then
				echo "${iface##*/}"
				return 0
			fi
		done
		;;
	esac
	
	return 1
}

append_wireless()
{
	local iface=

	iface=$(find_wireless)
	if [ -n "${iface}" ]; then
		command_args="${command_args} -i${iface}"
	else
		eerror "Could not find a wireless interface"
	fi
}

start_pre()
{
	case " ${command_args}" in
	*" -i"*) ;;
	*) append_wireless;;
	esac
}