An init script I've been using for some time now

wpa_supplicant (text/plain), 405 bytes, created by Ben Gamari on 2007-10-17 14:56:44 UTC

#!/sbin/runscript
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2


opts=""

depend() {
	need dbus
}

start() {
	ebegin "Starting wpa_supplicant"
	start-stop-daemon --start --exec /sbin/wpa_supplicant -- -u -B ${WPA_OPTIONS}
	eend $?
}

stop() {
	ebegin "Stopping wpa_supplicant"
	start-stop-daemon --stop --exec /sbin/wpa_supplicant
	eend $?
}