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52 lines
1.3 KiB
52 lines
1.3 KiB
2 months ago
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#!/bin/sh
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# 2024-05-26
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# lastmod: 2024-09-08
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# Dominic Reich
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BFILE=/srv/http/blocked.txt
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IPFILE=~/ips
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COUNT=$(wc -l ~/ips | cut -d' ' -f1)
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if [[ $USER == "root" ]]; then
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echo >&2 "User must not be root! Exiting"
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exit 1
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fi
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OLDNUM=$(sudo ipset --terse -L | grep "Number of entries:" | cut -d: -f2 | xargs)
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while read ip; do sudo ipset -exist -A badips "$ip"; done < $IPFILE
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FILEBACKUP=14
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if [ ${FILEBACKUP} -ne 0 ]; then
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sudo cp ${BFILE} ${BFILE}.$(date +%Y%m%d)
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fi
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BACKUPCOUNT=$(ls ${BFILE}* | wc -l)
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BACKUPSTODELETE=$(expr ${BACKUPCOUNT} - ${FILEBACKUP})
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if [ ${BACKUPCOUNT} -gt ${FILEBACKUP} ]; then
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for f in $(ls -tr ${BFILE}.* | head -${BACKUPSTODELETE})
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do
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sudo rm ${f}
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done
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fi
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# save to blocklist file in webroot
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sudo ipset -output save -L | grep add | awk '{ print $3 }' | sort -g | sudo tee ${BFILE} 1>/dev/null
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# save to /etc/ipset.conf
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sudo ipset save -file /etc/ipset.conf
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# Test if current ip is in the badips set
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# sudo ipset -q -T badips $(who | tail -1 | awk -F '[()]' '{ print $2 }')
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sudo ipset -T badips $(who | tail -1 | awk -F '[()]' '{ print $2 }')
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#sudo ipset --terse -L
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NEWNUM=$(sudo ipset --terse -L | grep "Number of entries:" | cut -d: -f2 | xargs)
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rm -f $IPFILE
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echo "Added $((${NEWNUM}-${OLDNUM}))/${COUNT} IPs (${OLDNUM} → ${NEWNUM})"
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