Revised emerging threats list script

update-emergingthreats

#!/bin/sh

NETGROUP="ET-A"

curl -O http://rules.emergingthreats.net/fwrules/emerging-Block-IPs.txt 

getnetblocks() {
cat <<EOF
# Generated by ipset
-N geotmp nethash --hashsize 1024 --probes 4 --resize 20
EOF
cat /config/user-data/emerging-Block-IPs.txt|egrep '^[0-9]'|egrep '/' |sed -e "s/^/-A geotmp /"
}
getnetblocks > /config/user-data/netblock.txt
sudo ipset -! -R < /config/user-data/netblock.txt
sudo ipset -W geotmp ET-N
sudo ipset -X geotmp

getaddblocks() {
cat <<EOF
# Generated by ipset
-N geotmp nethash --hashsize 1024 --probes 4 --resize 20
EOF
cat /config/user-data/emerging-Block-IPs.txt|egrep '^[0-9]'|egrep -v '/' |sed -e "s/^/-A geotmp /"
}
getaddblocks > /config/user-data/addblock.txt
sudo ipset -! -R < /config/user-data/addblock.txt
sudo ipset -W geotmp ET-A
sudo ipset -X geotmp

RESULT="updated list for $NETGROUP"
logger -i -s $RESULT

rm /config/user-data/addblock.txt
rm /config/user-data/netblock.txt