diff --git a/files/lib/gluon/ssid-changer/ssid-changer.sh b/files/lib/gluon/ssid-changer/ssid-changer.sh index 26e91e5bad85b246a55c95eb5ff34c97abfc8aa2..ca25f39810ee2a992524dafddffde1a8f1e4be94 100755 --- a/files/lib/gluon/ssid-changer/ssid-changer.sh +++ b/files/lib/gluon/ssid-changer/ssid-changer.sh @@ -1,8 +1,17 @@ #!/bin/sh -MINUTES=1440 # only once every timeframe the SSID will change to OFFLINE (set to 1 minute to change every time the router gets offline) -FIRST=5 # the first few minutes directly after reboot within which an Offline-SSID always may be activated -OFFLINE_PREFIX='FF_OFFLINE_' # use something short to leave space for the nodename (no '~' allowed!) +# only once every timeframe the SSID will change to OFFLINE (set to 1 minute to change every time the router gets offline) +MINUTES="$(uci get ssid-changer.settings.switch_timeframe -q)" +# the first few minutes directly after reboot within which an Offline-SSID always may be activated +: ${MINUTES:=1} + +FIRST="$(uci get ssid-changer.settings.first -q)" +# use something short to leave space for the nodename (no '~' allowed!) +: ${FIRST:=5} + +PREFIX="$(uci get ssid-changer.settings.prefix -q)" +# generate the ssid with either 'nodename', 'mac' or to use only the prefix: 'none' +: ${PREFIX:='FF_OFFLINE_'} if [ "$(uci get ssid-changer.settings.enabled -q)" = '0' ]; then DISABLED='1' @@ -10,20 +19,28 @@ else DISABLED='0' fi -ONLINE_SSID="$(uci get wireless.client_radio0.ssid -q)" -: ${ONLINE_SSID:="FREIFUNK"} # if for whatever reason ONLINE_SSID is NULL +SETTINGS_SUFFIX="$(uci get ssid-changer.settings.suffix -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:${#NODENAME}} # use the first and last part of the nodename for nodes with long name -else - OFFLINE_SSID="$OFFLINE_PREFIX$NODENAME" # great! we are able to use the full nodename in the offline ssid +if [ $SETTINGS_SUFFIX = 'nodename' ]; then + SUFFIX="$(uname -n)" + if [ ${#SUFFIX} -gt $((30 - ${#PREFIX})) ]; then # 32 would be possible as well + HALF=$(( (28 - ${#PREFIX} ) / 2 )) # calculate the length of the first part of the node identifier in the offline-ssid + SKIP=$(( ${#SUFFIX} - $HALF )) # jump to this charakter for the last part of the name + SUFFIX=${SUFFIX:0:$HALF}...${SUFFIX:$SKIP:${#SUFFIX}} # use the first and last part of the nodename for nodes with long name + fi +elif [ $SETTINGS_SUFFIX = 'mac' ]; then + SUFFIX="$(uci get network.bat0.macaddr -q)" +else # 'none' + SUFFIX='' fi -# maximum simplified, no more ttvn rating +OFFLINE_SSID="$PREFIX$SUFFIX" + +# TODO: ffac tq limits has to be implemented here if enabled + +ONLINE_SSID="$(uci get wireless.client_radio0.ssid -q)" +: ${ONLINE_SSID:="FREIFUNK"} # if for whatever reason ONLINE_SSID is NULL + CHECK="$(batctl gwl -H|grep -v "gateways in range"|wc -l)" HUP_NEEDED=0 if [ "$CHECK" -gt 0 ] || [ "$DISABLED" = '1' ]; then @@ -37,11 +54,11 @@ if [ "$CHECK" -gt 0 ] || [ "$DISABLED" = '1' ]; then fi CURRENT_SSID="$(grep "^ssid=$OFFLINE_SSID" $HOSTAPD | cut -d"=" -f2)" if [ "$CURRENT_SSID" = "$OFFLINE_SSID" ]; then - logger -s -t "gluon-offline-ssid" -p 5 "SSID is $CURRENT_SSID, change to $ONLINE_SSID" + logger -s -t "gluon-ssid-changer" -p 5 "SSID is $CURRENT_SSID, change to $ONLINE_SSID" sed -i "s~^ssid=$CURRENT_SSID~ssid=$ONLINE_SSID~" $HOSTAPD HUP_NEEDED=1 # HUP here would be to early for dualband devices else - echo "There is something wrong, did not find SSID $ONLINE_SSID or $OFFLINE_SSID" + logger -s -t "gluon-ssid-changer" -p 5 "could not set to online state: did neither find SSID '$ONLINE_SSID' nor '$OFFLINE_SSID'. Please reboot" fi done elif [ "$CHECK" -eq 0 ]; then @@ -56,11 +73,11 @@ elif [ "$CHECK" -eq 0 ]; then fi CURRENT_SSID="$(grep "^ssid=$ONLINE_SSID" $HOSTAPD | cut -d"=" -f2)" if [ "$CURRENT_SSID" = "$ONLINE_SSID" ]; then - logger -s -t "gluon-offline-ssid" -p 5 "SSID is $CURRENT_SSID, change to $OFFLINE_SSID" + logger -s -t "gluon-ssid-changer" -p 5 "SSID is $CURRENT_SSID, change to $OFFLINE_SSID" sed -i "s~^ssid=$ONLINE_SSID~ssid=$OFFLINE_SSID~" $HOSTAPD HUP_NEEDED=1 else - echo "There is something wrong: did neither find SSID '$ONLINE_SSID' nor '$OFFLINE_SSID'" + logger -s -t "gluon-ssid-changer" -p 5 "could not set to offline state: did neither find SSID '$ONLINE_SSID' nor '$OFFLINE_SSID'. Please reboot" fi done fi