#!/bin/bash

if [ "`id -u`" != "0" ]; then
    echo "Must be run as root"
    exit 1
fi
if [[ ! -e /etc/bocaip ]] ; then
    BOCASERVER=50.116.19.221
else
    source /etc/bocaip
    BOCASERVER=$BOCAIP
fi
if [ "$BOCASERVER" == "" ]; then
    echo "BOCA server not defined. Aborting"
    exit 1
fi

for zcount in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do

    grep -e sudo -e "password:session" /var/log/auth.log | tail -n 100 > /root/.logsession.tmp
    [ -f /root/.logsession ] || touch /root/.logsession
    diff /root/.logsession /root/.logsession.tmp > /root/.logsession.diff 2>/dev/null
    res=$?

    journalctl | grep -i mount | grep -i -e "filesystem" -e "file system" | tail -n 100 > /root/.logfs.tmp
    [ -f /root/.logfs ] || touch /root/.logfs
    diff /root/.logfs /root/.logfs.tmp > /root/.logfs.diff 2>/dev/null
    resfs=$?

    if [ "$zcount" == "1" ]; then
	tail -n 1000 /var/log/logkeys.log > /root/.logkeys.tmp
	[ -f /root/.logkeys ] || touch /root/.logkeys
	diff /root/.logkeys /root/.logkeys.tmp > /root/.logkeys.diff 2>/dev/null
	reskeys=$?
    else
	echo "" > /root/.logkeys.diff
	reskeys=0
    fi

    if [ "$res" != "0" -o "$resfs" != "0" -o "$reskey" != "0" ]; then
	for i in uuencode wget tr perl sha256sum cut; do
	    p=`which $i`
	    if [ -x "$p" ]; then
		echo -n ""
	    else
		echo "$i" not found
		exit 1
	    fi
	done
	temp=/root/.temp.`date +%s%N`.txt
	md=`wget -4 --no-check-certificate -t 2 -T 5 -S https://$BOCASERVER/boca/logexternal.php -O /dev/null --save-cookies ${temp}.cookie.txt --keep-session-cookies 2>&1 | grep PHPSESS | tail -n1`
	echo "$md" | grep -q PHPSESS
	if [ "$?" == "0" ]; then
	    md=`echo $md | cut -f2 -d'=' | cut -f1 -d';'`
	    res=`cat /root/submissions/code 2>/dev/null`
	    res=`echo -n "${res}${md}" | sha256sum - | cut -f1 -d' '`

	    echo -n "comp=`cat /root/submissions/comp`" > $temp
	    echo -n "&code=$res" >> $temp
	    echo -n "&logsession=" >> $temp
	    grep "^>" /root/.logsession.diff | uuencode -m zzzzzzzzzz | grep -v "begin-base64.*zzzzzzzzzz" | perl -MURI::Escape -lne 'print uri_escape($_)' >> $temp
	    echo -n "&logfs=" >> $temp
	    grep "^>" /root/.logfs.diff | uuencode -m zzzzzzzzzz | grep -v "begin-base64.*zzzzzzzzzz" | perl -MURI::Escape -lne 'print uri_escape($_)' >> $temp
	    echo -n "&logkeys=" >> $temp
	    grep "^>" /root/.logkeys.diff | uuencode -m zzzzzzzzzz | grep -v "begin-base64.*zzzzzzzzzz" | perl -MURI::Escape -lne 'print uri_escape($_)' >> $temp

	    wget -4 --no-check-certificate -t 2 -T 5 "https://$BOCASERVER/boca/logexternal.php" --load-cookies ${temp}.cookie.txt --keep-session-cookies --save-cookies ${temp}.cookie.txt -O ${temp}.out --post-file=$temp >/dev/null 2>/dev/null
	    rm -f $temp
	    rm -f ${temp}.cookie.txt
	    grep -qi incorrect ${temp}.out
	    res=$?
	    rm ${temp}.out
	    if [ "$res" == "0" ]; then 
		echo "$BOCASERVER: User or password incorrect"
		exit 3
	    fi
	else
	    echo "$BOCASERVER: connection failed"
	    exit 2
	fi
    fi
    [ -f /root/.logsession.tmp ] && mv /root/.logsession.tmp /root/.logsession
    [ -f /root/.logkeys.tmp ] && mv /root/.logkeys.tmp /root/.logkeys
    [ -f /root/.logfs.tmp ] && mv /root/.logfs.tmp /root/.logfs
    [ "$zcount" == "15" ] || sleep 10
done

exit 0