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#!/bin/sh
# This is an example how to use an eventhandler with smsd.
# $1 is the type of the event wich can be SENT, RECEIVED, FAILED or REPORT.
# $2 is the filename of the sms.
# $3 is the message id. Only used for SENT messages with status report.
#The next line changes the file attributes so that everybody can read
#received SM
#if [ "$1" = "RECEIVED" ]; then
# chmod a+r $2
#fi
#This sends all received SM to an eMail receiver:
#if [ "$1" = "RECEIVED" ]; then
# /usr/sbin/sendmail username@localhost <$2
#fi
#This sends all received SM to eMail receiver. The recipient address
#must be the first word of the SM.
#if [ "$1" = "RECEIVED" ]; then
# receiver=`cat $2 | grep '^.*@.*' | sed -n 1p | cut -f1 -d' '`
# if [ $receiver ]; then
# /usr/sbin/sendmail $receiver < $2
# fi
#fi
#This forwards all received SM to another mobile phone:
#if [ "$1" = "RECEIVED" ]; then
# FROM=`formail -zx From: <$2`
# formail -f -I "To: 491721234567" <$2 >$2.forward
# echo "from $FROM" >> $2.forward
# mv $2.forward /var/spool/sms/outgoing
#fi
#The following code concatenates multipart text messages
if [ "$1" = "RECEIVED" ]; then
if grep "UDH-DATA: 05 00 03" $2 >/dev/null; then
if grep "Alphabet: ISO" $2 >/dev/null || grep "Alphabet: GSM" $2 >/dev/null; then
# This is a multipart text message
FROM=`formail -zx From: <$2`
UDHDATA=`formail -zx UDH-DATA: <$2`
# Extract information from UDH using awk to convert hex to dec
MSGID=`echo "$UDHDATA" | awk '{printf "%d",strtonum("0x"$4)}'`
PARTS=`echo "$UDHDATA" | awk '{printf "%d",strtonum("0x"$5)}'`
PART=`echo "$UDHDATA" | awk '{printf "%d",strtonum("0x"$6)}'`
# Rename the file
mv $2 "$FROM.$MSGID.$PART"
# Check if all parts have been received
received=`ls -1 "$FROM.$MSGID."* | wc -l`
if [ "$PARTS" -eq "$received" ]; then
# Concatenate all parts
# copy header from last part into a new file
formail -X "" <$FROM.$MSGID.$PART >$2.concatenated
echo "" >>$2.concatenated
# add the text of each part
counter=1
while [ "$counter" -le "$PARTS" ]; do
sed -e '1,/^$/ d' <$FROM.$MSGID.$counter >>$2.concatenated
rm $FROM.$MSGID.$counter
counter=`expr $counter + 1`
done
fi
fi
fi
fi
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