the use of `uci` is unlucky in case you do uci commit on the console

files/lib/gluon/ssid-changer/ssid-changer.sh

@@ -10,34 +10,34 @@ ONLINE_SSID=$(uci get wireless.client_radio0.ssid -q)
 # Generate an Offline SSID with the first and last part of the nodename to allow owner to recognise wich node is down
 NODENAME=`uname -n`
 if [ ${#NODENAME} -gt $((30 - ${#OFFLINE_PREFIX})) ] ; then # 32 would be possible as well
-	HALF=$(( (28 - ${#OFFLINE_PREFIX} ) / 2 )) # calculate the length of the first part of the node identifier in the offline-ssid
-	SKIP=$(( ${#NODENAME} - $HALF )) # jump to this charakter for the last part of the name
-	OFFLINE_SSID=$OFFLINE_PREFIX${NODENAME:0:$HALF}...${NODENAME:$SKIP:${#NODENAME}} # use the first and last part of the nodename for nodes with long name
+  HALF=$(( (28 - ${#OFFLINE_PREFIX} ) / 2 )) # calculate the length of the first part of the node identifier in the offline-ssid
+  SKIP=$(( ${#NODENAME} - $HALF )) # jump to this charakter for the last part of the name
+  OFFLINE_SSID=$OFFLINE_PREFIX${NODENAME:0:$HALF}...${NODENAME:$SKIP:${#NODENAME}} # use the first and last part of the nodename for nodes with long name
 else
-	OFFLINE_SSID="$OFFLINE_PREFIX$NODENAME" # great! we are able to use the full nodename in the offline ssid
+  OFFLINE_SSID="$OFFLINE_PREFIX$NODENAME" # great! we are able to use the full nodename in the offline ssid
 fi
 # maximum simplyfied, no more ttvn rating
 CHECK=$(batctl gwl -H|grep -v "gateways in range"|wc -l)
-
+HOSTAPD=/var/run/hostapd-phy0.conf
 if [ $CHECK -eq 0 ] ; then
   if [ $(expr $(date "+%s") / 60 % $MINUTES) -eq 0 ]; then
-    if [ "$(uci get wireless.client_radio0.ssid)" == "$OFFLINE_SSID" ]; then
+    CURRENT_SSID=`grep "^ssid=$ONLINE_SSID" $HOSTAPD | cut -d"=" -f2`
+    if [ "$CURRENT_SSID" == "$OFFLINE_SSID" ]; then
       echo "$0 - still on $OFFLINE_SSID"
       exit 0
     fi
     echo "$0 change ssid to $OFFLINE_SSID" | logger
-    uci set wireless.client_radio0.ssid="$OFFLINE_SSID"
-    sed -i s~^ssid=$ONLINE_SSID~ssid=$OFFLINE_SSID~ /var/run/hostapd-phy0.conf
+    sed -i s~^ssid=$ONLINE_SSID~ssid=$OFFLINE_SSID~ $HOSTAPD
     killall -HUP hostapd
   fi
 fi
 if [ $CHECK -gt 0 ] ; then
-  if [ "$(uci get wireless.client_radio0.ssid)" == "$ONLINE_SSID" ]; then
+  CURRENT_SSID=`grep "^ssid=$ONLINE_SSID" $HOSTAPD | cut -d"=" -f2`
+  if [ "$CURRENT_SSID" == "$ONLINE_SSID" ]; then
     echo "$0 - still on $ONLINE_SSID"
     exit 0
   fi
   echo "$0 change ssid to $ONLINE_SSID"| logger
-  uci set wireless.client_radio0.ssid="$ONLINE_SSID"
-  sed -i s~^ssid=$OFFLINE_SSID~ssid=$ONLINE_SSID~ /var/run/hostapd-phy0.conf
+  sed -i s~^ssid=$OFFLINE_SSID~ssid=$ONLINE_SSID~ $HOSTAPD
   killall -HUP hostapd
 fi