ip 제어 access. log 에서 사용자 접근 선택

#!/bin/sh
#set -x
logPath=/usr/local/nginx/logs/access.log
IPTABLES_BIN=/sbin/iptables

# 3000    ，    120    IP   ，       IP
logNum=3000
repeatNum=100
#  IP       ，15： 15      
cleanTime=3
#    
cleanDay=10
#        
spiderRepeatNum=300
#      URL   
badRepeatNum=30
#      30     
maxNumberPerMinute=70
droptime=900

iplisttxt="/tmp/iplist.txt"
ipcountertxt="/tmp/ipcounter.txt"
#echo -n `date "+%F %T"` " ";
m=`/bin/date +%H`;
d=`/bin/date +%d`;
#echo -n $((10#$m%$cleanTime));
#if [ $((10#$m % $cleanTime)) == 0 ] && [ $((10#$d % $cleanDay)) == 0 ]; then
	#$IPTABLES_BIN -F
	#         ，       。          。
#	/etc/init.d/iptables restart
#fi

function dropIps()
{
	vNewIps=$1
	#echo "newIps: "$vNewIps
	#dropedIps=`$IPTABLES_BIN -L -n | awk '{print $4}' | grep "^[0-9]"`
	for ip in $vNewIps
	do
		#echo "ip: "$ip
		#echo $dropedIps;
		#c=`echo "$dropedIps" | grep $ip | wc -l`
		#echo $c
		#if [ $c -eq 0 ]; then
		#$IPTABLES_BIN -D INPUT -s $ip -j DROP
		n=`$IPTABLES_BIN -L -n | grep $ip | wc -l`
		if [ $n == 0 ]; then
			echo "$(date -d $(date +%H:%M:%S) +%s)"+"$ip" >> $iplisttxt
			$IPTABLES_BIN -I INPUT -s $ip -j DROP
		
			numip=`cat $ipcountertxt |grep "$ip" |wc -l`
			if [ $numip > 0]; then
				numip=`cat $ipcountertxt |grep $ip |awk -F "+" '{print $1}'`
			fi
			countip=$(($numip + 1))
			sed -i '/'"$ip"'/d' "$ipcountertxt";
			echo "$countip"+"$ip" >> $ipcountertxt
		fi
		#fi
	done
	#$IPTABLES_BIN -L -n --line-number
}


function doBlackList()
{
	vBlackList=$1
	vWhiteGrep=$2
	vRepeatNum=$3

	for item in $vBlackList
	do
		#cmd="tail -n $logNum $logPath | grep \"$item\" | awk '{print \$1}' | $vWhiteGrep | sort | uniq -c | sort -n"
		export LANG=en_US.UTF-8
		
		oneMinuteAgo=`date +\\\[%d\\\/%b\\\/%Y:%H:%M -d "-1 minute"`
		cmd="grep \"$oneMinuteAgo\" $logPath | grep \"$item\" | awk '{print \$1}' | $vWhiteGrep | sort | uniq -c | sort -n"
#		echo $cmd

		#         ，drop
		newIps=`echo $cmd | sh | awk '{if($1 > '$vRepeatNum') print $2}'`;
#echo $newIps
		dropIps "$newIps";

		#            ,drop
		newIps=`echo $cmd | sh | awk '{print $2}'`;
#echo $newIps
		for tIp in $newIps ; do
			#echo $tIp
			badNum=`grep $tIp $logPath | grep $item | wc -l`
			total=`grep $tIp $logPath | wc -l`
			((rate=$badNum/$total));
			if (($rate*100 > 50)); then
				dropIps "$tIp";
			fi
		done
		
	done
}

####################################################
#   

wList='
127.0.0.1
172.20.38
172.20.68
172.20.72
'
wUserAgentList=''
greps=""
for w in $wList
do
	greps=$greps"grep -v '$w' | "
done


uGreps=''
for wu in $wUserAgentList
do
    uGreps=$uGreps"grep -v '$wu' | "
done
uGrepsCmd=`echo $uGreps | sed 's/.$//'`
grepsCmd=`echo $greps | sed 's/.$//'`

####################################################
#     
spiderList='Sosospider AhrefsBot spider Baiduspider Googlebot 360Spider bingbot';
#bList=' ';

bGreps='';
doBlackList "$spiderList" "$grepsCmd" "$spiderRepeatNum";

####################################################
#     URL   
#POST\s*/register.php?do=register\s*HTTP
badList='
POST\s*/login/process\s*HTTP
'
doBlackList "$badList" "$grepsCmd" "$maxNumberPerMinute";

######################################################

cmd="tail -n $logNum $logPath | grep -v 'ico HTTP' | grep -v 'png HTTP' | grep -v 'gif HTTP' | grep -v 'jpg HTTP' | grep -v 'js HTTP' | grep -v 'css HTTP' | awk '{print \$1}'  | $grepsCmd | sort | uniq -c | sort -n "
#echo $cmd;
newIps=`echo $cmd | sh | awk '{if($1 > '$repeatNum') print $2}'`
dropIps "$newIps";

#$IPTABLES_BIN -L -n --line-number

##########################################
function dropIptables(){
	nowtimee=$1;
	list=$2;
        base=$(( $nowtimee - $3 ));
        timelist=`cat $list|awk -F "+" '{print $1}'`
        for kip in $timelist ; do
                if (( $kip < $base )); then
			iplist=`cat $list |grep $kip | awk -F "+" '{print $2}'`;
			for glist in $iplist ; do
				$IPTABLES_BIN -D INPUT -s $glist -j DROP;
				sed -i '/'"$glist"'/d' "$list";
#				echo `cat $ipcountertxt |awk '{print $2}' |sort  |uniq -c|sort -n` > $ipcountertxt
			done			
                fi
        done
}

nowtime=`date +%s`
dropIptables "$nowtime" "$iplisttxt" "$droptime";