17 lines
617 B
Bash
Executable file
17 lines
617 B
Bash
Executable file
#!/usr/bin/env bash
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#
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# Expire old RBL records
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maxage=48 # in hours
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rblfile="/var/lib/rbldns/list"
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egrep '^[[:digit:]]{1,3}\.[[:digit:]]{1,3}\.[[:digit:]]{1,3}\.[[:digit:]]{1,3}' $rblfile | while read -r ip delimiter timestamp foo; do
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if [ "$timestamp" -gt "0" ]; then
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expiration=$(echo "$(date +%s)-$timestamp" | bc)
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if [ "$expiration" -gt "$(($maxage * 3600))" ]; then
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#echo "entry $ip older than $maxage hours (expired $(($expiration / 3600)) hours ago)"
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sed -i "/^$ip.*# $timestamp.*$/d" $rblfile || echo "Error while deleting $ip: $?"
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fi
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fi
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done
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