WRT54Report.sh

#!/bin/sh

# Kenneth Finnegan, 2012
# kennethfinnegan.blogspot.com

# Posts growp notifications to iOS device using prowl
# without using curl or POST feature of wget
# Particularly targeted at WRT54G routers
# Depends on http://gimi.name/snippets/uploads/urlencode.sed
# Which is just a giant list of sed commands to encode to hex
# I.e. s/ /%20/g

# 2012 01 18:	Initial Revision

# Insert personal API key here
APIKEY=2541XXXX4d77
# Generate some tmp file to dump message into
CACHE=/tmp/$$.cache

# Make sure you have the urlencode.sed file
URLENFILE=/jffs/urlencode.sed
if [ ! -e $URLENFILE ]
then
wget -c http://gimi.name/snippets/uploads/urlencode.sed -O $URLENFILE
fi

# Set application, event, and dump multiple lines of shell into $CACHE
APPLICATION="WRT54G"
EVENT="Morning Report"
PRIORITY="-1"
df /jffs | tail -n 1 | awk '{print "/jffs fs usage " $5}' > $CACHE
awk '{print "Load avg: " $1 " "$2 " " $3}' < /proc/loadavg >> $CACHE

# URL encode $APPLICATION and $EVENT
ENAPP=`echo $APPLICATION | sed -f $URLENFILE`
ENEVENT=`echo $EVENT | sed -f $URLENFILE`
# URL enode $CACHE using sed, convert new lines to ~ (which are no longer
# in $CACHE having been encoded to %7e), and encode ~ as new lines with sed
sed -f $URLENFILE <$CACHE | tr '\n' '~' | sed 's/~/%0a/g' > $CACHE.en

# Wget a magic URL of everything so far stuck together
wget -O - "http://api.prowlapp.com/publicapi/add?apikey=$APIKEY&priority=$PRIORITY&application=$ENAPP&event=$ENEVENT&description=`cat $CACHE.en`"

# Clean up after ourselves like a good little shell script
rm $CACHE $CACHE.en