From bfdbe82097d80671e248ba341c2dd6151adf1645 Mon Sep 17 00:00:00 2001
From: MrMM <mm@freifunk-aachen.de>
Date: Mon, 5 Oct 2015 22:19:13 +0200
Subject: [PATCH] Set the online and offline SSID at the top of the script
---
files/lib/gluon/ssid-changer/ssid-changer.sh | 27 +++++++++++++-------
1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/files/lib/gluon/ssid-changer/ssid-changer.sh b/files/lib/gluon/ssid-changer/ssid-changer.sh
index 19ee9e9..a637efd 100755
--- a/files/lib/gluon/ssid-changer/ssid-changer.sh
+++ b/files/lib/gluon/ssid-changer/ssid-changer.sh
@@ -1,20 +1,25 @@
+
#!/bin/sh
+# At first some Definitions:
+
+ONLINE_SSID='Freifunk'
+OFFLINE_PREFIX='FF_OFFLINE_' # Use something short to leave space for the nodename
#Is there an active Gateway
GATEWAY_TQ=`batctl gwl | grep "^=>" | cut -d" " -f3 | tr -d "()"`
-if [ $GATEWAY_TQ > 50 ];
+if [ $GATEWAY_TQ -gt 50 ];
then
echo "Gateway TQ is $GATEWAY_TQ node is online"
for RADIO in $(iw dev | grep client | cut -d" " -f2); do
- CURRENT_SSID=`iw dev $RADIO info | grep ssid | cut -d" " -f2`
- # Use Freifunk for now, get it from /lib/gluon/site.conf in future version
- if [ $CURRENT_SSID == 'Freifunk' ]
+ CURRENT_SSID=`iw dev $RADIO info | grep ssid | cut -d" " -f2` # Is there a better way to fetch the SSID wich is active?
+ if [ $CURRENT_SSID == $ONLINE_SSID ]
then
echo "SSID $CURRENT_SSID is correct, noting to do"
else
+ echo "SSID is $CURRENT_SSID, change to $ONLINE_SSID"
NUM=`echo $RADIO | tail -c 2`
- `uci set wireless.client_radio$NUM.ssid="Freifunk"`
+ `uci set wireless.client_radio$NUM.ssid=$ONLINE_SSID`
wifi
fi
done
@@ -22,15 +27,20 @@ then
else
echo "Gateway TQ is $GATEWAY_TQ node is considered offline"
NODENAME=`uname -n`
- #There is a limit auf 32 charakters for the ssid + 'FF_OFFLINE_' leves us 21 maximum SSID length
- if [ ${#NODENAME} > 20 ] ; then
- OFFLINE_SSID=`echo "FF_OFFLINE_${STRING:0:9}...${STRING:(-9)}"` # use the first and last part of the nodename for nodes with long prefix
+ if [ ${#NODENAME} > 30-${#OFFLINE_PREFIX} ] ; then #32 would be possible as well
+ HALF=$(( (28 - ${#OFFLINE_PREFIX} ) / 2 ))
+ SKIP=$(( ${#NODENAME} - $HALF ))
+ OFFLINE_SSID=$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`
+ fi
for RADIO in $(iw dev | grep client | cut -d" " -f2); do
CURRENT_SSID=`iw dev $RADIO info | grep ssid | cut -d" " -f2`
if [ $CURRENT_SSID == $OFFLINE_SSID ]
then
echo "SSID $CURRENT_SSID is correct, noting to do"
else
+ echo "SSID is $CURRENT_SSID, change to $OFFLINE_SSID"
NUM=`echo $RADIO | tail -c 2`
`uci set wireless.client_radio$NUM.ssid="$OFFLINE_SSID"`
wifi
@@ -38,4 +48,3 @@ else
done
fi
-
--
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