Stealth Cell Tower

#!/bin/bash

readonly FH=/home/pi/yate.log
rm -f $FH
# Start the BTS, log to $FH and background
yate 2>&1 -l $FH &
sleep 1
echo "Starting up..."
last=" "

while true;
    do
        # Poll every 10 seconds
        sleep 10
        # Check log for new sniffed 'call route' entries and do some subbing
        cur=$(cat $FH | grep -A 16 "Sniffed\ 'call.route'" | sed -e "s/param\['//" \
        -e "s/'\]//" -e 's/thread.*//' -e 's/time\=[0-9].*//' \
        -e 's/\ data=(.*//' -e 's/\ retval=.*//' \
        -e 's/\ tmsi.*//' -e 's/ybts/Stealth\ Cell\ Tower/' \
        -e 's/Sniffed/Monitored\ =/' -e '/^\s*$/d' \
        -e 's/^\s*//' | tail -n 13)
        if [ "$cur" != "$last" ]; then
            if [ ${#cur} -gt 1 ]; then 
                echo "New SMS events detected"
                # Test to see if an IMSI is in the string. If not, look it up
                # and put it in
                if [[ $cur != *imsi* ]]; then
                    caller=$(echo "$cur" | grep "caller" | awk '{ print $3 }' | sed "s/'//g" \
                    | tr -cd '[:print:]')
                    imsi=$(cat /usr/local/etc/yate/tmsidata.conf | grep "$caller" \
                    | cut -d '=' -f 1)
                    cur=$(echo "$cur" | sed -e "s/\ called\ .*/imsi\ =\ '$imsi'/" )
                fi
                # Make it all uppercase
                event=$(echo -e \\n"$cur" | tr 'a-z' 'A-Z')
                echo "printing file..."
                echo "$event" > printme
                # Format a postscript file with enscript
                enscript -r --header='SMS EVENT RECORD|%W|%* UTC' -i2cm --margins=10:10:30:10 \
                -o printme.ps -f Courier@15/12 printme
                # Convert to PDF
                ps2pdfwr printme.ps printme.pdf
                # Send it to the print queue for immediate processing
                lp -U pi -o a4 -q 100 -d hp_LaserJet_1320_2 printme.pdf 
            fi
            last=$cur
        fi
done

#!/bin/bash

readonly HOST=127.0.0.1
readonly PORT=5038
readonly DATA=/usr/local/share/yate/sounds/stevie.au
readonly TMSI=/usr/local/etc/yate/tmsidata.conf
readonly CC=49 #MSISDN prefix, matching that of definition in yate conf.

callone () {
  # Play "I Just Called To Say I Love You" by Stevie Wonder, on pickup 
  echo "call wave/play/$DATA $mt" | netcat -i 1 -q 1 $HOST $PORT
  # Or, setup channel and route to IAX/SIP
  # echo "call 'iax/iax:$PORT@11.22.33.44/$PORT' $mt" | netcat -q 1 $HOST $PORT
}

callall() {
  for mt in ${UES[@]} #override $mt
    do
      echo "calling $mt"
      callone
  done
}

while true;
  do
    tmsilen=$(wc -l $TMSI | awk '{ print $1 }')
    ues=($(cat $TMSI | grep -A $tmsilen ues | sed 's/\[ues\]//' | cut -d ',' -f 3))
    if [ ! -z $ues ]; then
      ueslen=${#ues}
      RANGE=$ueslen
      select=$RANDOM
      let "select%=$RANGE"
      mt=${ues[$select]} 
      callone
    fi
    sleep 30
done

    function onSMS(msg)
    {
        Engine.debug(Engine.DebugInfo,"onSMS");

        var imsi = msg.imsi;
        var tmsi = msg.tmsi;

        var responses = [
            "No probs if you're busy. I'll track you down later.",
            "Don't remember me? How could I forget you?",
            "Hehe, you've probably never noticed - I've been here all along",
            "All good. I'm in the corner - come over when you're ready",
            "I'm printing the details for you now. Waiting over here for you",
            "Give me a call if you like and we can sort this out!",
            "I left you something on the printer ;-)"
        ];

        var randResp = responses[Math.random(0, responses.length)];

        if (msg.caller=="" || msg.called=="" || (imsi=="" && tmsi=="")) {
            // Protocol error, unspecified
            msg.error = "111";
            return false;
        }

        if (tmsi!="" && imsi=="") {
            imsi = getSubscriberIMSI(null,tmsi);
            msg.imsi = imsi;
        }
        if (imsi=="" || registered_subscribers[imsi]==undefined) {
            // Unidentified subscriber
            msg.error = "28";
            return false;
        }

        // user must be registered
        var msisdn = getRegUserMsisdn(imsi);
        if (msisdn==false) {
            // Unidentified subscriber
            msg.error = "28";
            return false;
        }

        var dest = msg["sms.called"];

        if (dest==nib_smsc_number) {
            message(randResp,imsi,msisdn,3);    
            return true;
        }

        // check if short number was used
        dest = isShortNumber(dest);
        var dest_imsi = getSubscriberIMSI(dest);

        if (dest_imsi==false) {
            msg.error = "1"; // Unassigned (unallocated) number
            return false;
        }

        var next_try = Date.now()/1000; 
        var sms = {"imsi":imsi, "msisdn":msisdn, "smsc":msg.called, "dest":dest, "dest_imsi":dest_imsi, "next_try":next_try, "tries":sms_attempts, "msg":msg.text
};

        pendingSMSs.push(sms);
        return true;
    }

cd /
tar xvzf yatebts_r-pi3_conf-scripts.tar.gz