provision-wifi.sh

#!/bin/sh

################################################################
# Individual channel setting per distinct AP

case `uci get system.@system[0].hostname` in
	"ap1")
		CHANNELS="36 1"
		;;
	"ap2")
		CHANNELS="5"
		;;
	"ap3")
		CHANNELS="5 44"
		;;
	"ap4")
		CHANNELS="60 9"
		;;
	"ap5")
		CHANNELS="52 13"
		;;
	*)
		echo "Not a known host"
		exit
esac

################################################################
# Start with fresh wifi setting

rm -f /etc/config/wireless
wifi config
uci commit wireless

################################################################
# Delete existing SSIDs

uci show wireless | grep =wifi-iface | awk -F= '{ print $1 }' | while read -r IFACE ; do
	uci delete wireless.@wifi-iface[0]
done

################################################################
# Add a couple of SSIDs

add_iface() {
	uci add wireless wifi-iface > /dev/null
	uci set wireless.@wifi-iface[-1].device="$1"
	uci set wireless.@wifi-iface[-1].mode='ap'
	uci set wireless.@wifi-iface[-1].ssid="$3"
	uci set wireless.@wifi-iface[-1].encryption="psk-mixed"
	uci set wireless.@wifi-iface[-1].key="$4"
	uci set wireless.@wifi-iface[-1].network="$2"
	uci set wireless.@wifi-iface[-1].wpa_group_rekey='0'
	uci set wireless.@wifi-iface[-1].hidden="$5"
}

uci show wireless | grep \\.radio.= | awk -F. '{ print $2}' | awk -F= '{ print $1 }' | while read -r DEVICE ; do
	uci set wireless.$DEVICE.disabled=0
	# add_iface	"$DEVICE"	NETWORK		SSID			PASSWORD			HIDDEN
	add_iface "$DEVICE"		"lan"		"my-lan"		"pw-for-lan"		"1"
	add_iface "$DEVICE"		"guest"		"my-guest"		"pw-for-guest"		"0"
	add_iface "$DEVICE"		"roommate"	"my-roommate"	"pw-for-roommate"	"1"
	add_iface "$DEVICE"		"dmz"		"my-dmz"		"pw-for-dmz"		"1"
done

################################################################
# Some tweaking

COUNTER=0
for CHANNEL in $CHANNELS ; do
	uci set wireless.radio$COUNTER.channel=$CHANNEL
	uci set wireless.radio$COUNTER.country="DE"
	uci set wireless.radio$COUNTER.doth='1'
	uci set wireless.radio$COUNTER.wwm='1'
	uci set wireless.radio$COUNTER.ff='1'
	uci set wireless.radio$COUNTER.bursting='1'
	uci set wireless.radio$COUNTER.compression='1'
	if [ "$CHANNEL" -lt "20" ]
	then
		uci set wireless.radio$COUNTER.distance='20'
		uci set wireless.radio$COUNTER.beacon_int='300'
	else
		uci set wireless.radio$COUNTER.beacon_int='100'
	fi
	COUNTER=$((COUNTER+1))
done

################################################################
# Commit

uci commit wireless
/etc/init.d/network restart