Allow initial configuration from Ethernet

Signed-off-by: Fabian Bläse <fabian@blaese.de>
Tested-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Tim Niemeyer <tim@tn-x.org>
Reviewed-by: Robert Langhgammer <rlanghammer@web.de>

src/packages/fff/fff-hoods/files/usr/lib/functions/fff/hoodfile

@@ -53,6 +53,30 @@ getWirelessHoodfile() {
 	fi
 }
 
+getEthernetHoodfile() {
+	if [ $# != 1 ]; then
+		echo "Usage: getEthernetHoodfile <target-file>"
+		return 1
+	fi
+	file=$1
+
+	echo "Trying to get hoodfile from ethernet neighbor..."
+
+	if ! ethmesh_dev=$(uci -q get network.ethmesh.ifname); then
+		# no ethmesh interface
+		return 1
+	fi
+
+	neighbor_addrs=$(ping6 -c2 ff02::1%"${ethmesh_dev}" | grep seq | grep DUP | cut -d " " -f4 | sed s/:$//g | sort -u)
+
+	for addr in $neighbor_addrs; do
+		wget -T2 -t1 -qO "$file" "http://[${addr}%${ethmesh_dev}]:2342/keyxchangev2data" && return 0
+	done
+
+	# got no hoodfile
+	return 1
+}
+
 getGatewayHoodfile() {
 	if [ $# != 1 ]; then
 		echo "Usage: getGatewayHoodfile <target-file>"

src/packages/fff/fff-hoods/files/usr/sbin/configurehood

@@ -98,7 +98,7 @@ else
 		
 			sleep 30 # Wait for the config AP, which may be created at the same time as this script has started
 
-			getWirelessHoodfile "$hoodfile"
+			getEthernetHoodfile "$hoodfile" || getWirelessHoodfile "$hoodfile"
 
 			#UPLINK: Set up uplink data on first contact:
 			if [ -s /tmp/keyxchangev2data ]; then