fff-hoods: Fix case of missing keyxchangev2data

This fixes a missing /tmp/keyxchangev2data due to gateway
misconfiguration.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Tim Niemeyer <tim@tn-x.org>
- Added double quote around $jsonfile
Signed-off-by: Tim Niemeyer <tim@tn-x.org>

src/packages/fff/fff-hoods/files/lib/functions/fff/keyxchange

@@ -4,9 +4,21 @@
 
 . /usr/share/libubox/jshn.sh
 
+getJsonPath() {
+	jsonfile=""
+	if [ -s /www/public/keyxchangev2data ] ; then
+		jsonfile="/www/public/keyxchangev2data"
+	elif [ -s /tmp/keyxchangev2data ] ; then
+		jsonfile="/tmp/keyxchangev2data"
+	fi
+	echo "$jsonfile"
+}
+
 getUpgradePath() {
-	if [ -s /tmp/keyxchangev2data ]; then
-		json_load "$(cat /tmp/keyxchangev2data)"
+	jsonfile="$(getJsonPath)"
+
+	if [ -n "$jsonfile" ] ; then
+		json_load "$(cat "$jsonfile")"
 		json_select hood
 		json_get_var upath upgrade_path
 		echo "$upath"

src/packages/fff/fff-web/files/www/ssl/cgi-bin/home.html

@@ -48,9 +48,10 @@ else
 fi
 
 # read from keyxchangev2data
-. /usr/share/libubox/jshn.sh
-if [ -s /tmp/keyxchangev2data ] ; then
-	json_load "$(cat /tmp/keyxchangev2data)"
+. /lib/functions/fff/keyxchange
+jsonfile="$(getJsonPath)"
+if [ -n "$jsonfile" ] ; then
+	json_load "$(cat "$jsonfile")"
 	json_select hood
 	json_get_var mesh_type2 mesh_type2
 	json_get_var mesh_type5 mesh_type5