Create or update ipset list from FireHOL IP list

firehol_updater.sh

#!/bin/bash

LIST="firehol_level1 firehol_level2"
URL="https://iplists.firehol.org/files/"
IPSET="/sbin/ipset"

function log(){
	echo "["$(date "+%Y-%m-%d %H:%M:%S")"] $@"
}

for NAME in $LIST; do
log "Downloading $NAME ..."

FILE=$(mktemp)
URL="https://iplists.firehol.org/files/${NAME}.netset"

wget -qO $FILE $URL

if [ ! -s "$FILE" ]; then
	log "There was a problem downloading $NAME ."
	exit 1
fi

log "Adding $NAME entries to temp list..."

$IPSET create firehol_temp hash:net &>/dev/null
$IPSET flush firehol_temp &>/dev/null

COUNT=0
while read IP; do
	echo $IP | grep -e '^#' &>/dev/null && continue
	$IPSET add firehol_temp $IP && COUNT=$((COUNT + 1))
done < $FILE

$IPSET create $NAME hash:net &>/dev/null && log "Created ipset $NAME"
$IPSET swap firehol_temp $NAME
$IPSET destroy firehol_temp

log "$COUNT entries added for $NAME."

rm $FILE

done

log "Done!"