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#!/bin/sh
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# Update bogons file
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# Part of the pfSense project
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# www.pfsense.com
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echo "rc.update_bogons.sh is starting up." | logger
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# Sleep for some time, unless an argument is specified.
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if [ "$1" = "" ]; then
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# Grab a random value
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value=`od -A n -d -N2 /dev/random | awk '{ print $1 }'`
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echo "rc.update_bogons.sh is sleeping for $value" | logger
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sleep $value
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fi
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echo "rc.update_bogons.sh is beginning the update cycle." | logger
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# Load custom bogon configuration
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if [ -f /var/etc/bogon_custom ]; then
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. /var/etc/bogon_custom
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fi
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# Set default values if not overriden
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v4url=${v4url:-"http://files.pfsense.org/lists/fullbogons-ipv4.txt"}
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v6url=${v6url:-"http://files.pfsense.org/lists/fullbogons-ipv6.txt"}
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v4urlcksum=${v4urlcksum:-"${v4url}.md5"}
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v6urlcksum=${v6urlcksum:-"${v6url}.md5"}
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/usr/bin/fetch -q -o /tmp/bogons "${v4url}"
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/usr/bin/fetch -q -o /tmp/bogonsv6 "${v6url}"
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if [ ! -f /tmp/bogons ]; then
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echo "Could not download ${v4url}" | logger
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dl_error="true"
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fi
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if [ ! -f /tmp/bogonsv6 ]; then
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echo "Could not download ${v6url}" | logger
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dl_error="true"
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fi
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if [ "$dl_error" != "" ];then
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# Relaunch and sleep
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sh /etc/rc.update_bogons.sh &
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exit
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fi
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BOGON_V4_CKSUM=`/usr/bin/fetch -q -o - "${v4urlcksum}" | awk '{ print $4 }'`
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ON_DISK_V4_CKSUM=`md5 /tmp/bogons | awk '{ print $4 }'`
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BOGON_V6_CKSUM=`/usr/bin/fetch -q -o - "${v6urlcksum}" | awk '{ print $4 }'`
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ON_DISK_V6_CKSUM=`md5 /tmp/bogonsv6 | awk '{ print $4 }'`
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if [ "$BOGON_V4_CKSUM" = "$ON_DISK_V4_CKSUM" ] || [ "$BOGON_V6_CKSUM" = "$ON_DISK_V6_CKSUM" ]; then
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# At least one of the downloaded MD5s matches, so mount RW
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/etc/rc.conf_mount_rw
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fi
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if [ "$BOGON_V4_CKSUM" = "$ON_DISK_V4_CKSUM" ]; then
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egrep -v "^192.168.0.0/16|^172.16.0.0/12|^10.0.0.0/8" /tmp/bogons > /etc/bogons
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RESULT=`/sbin/pfctl -t bogons -T replace -f /etc/bogons 2>&1`
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rm /tmp/bogons
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echo "$RESULT" |awk '{ print "Bogons V4 file downloaded: " $0 }' | logger
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else
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echo "Could not download ${v4urlcksum} (checksum mismatch)" | logger
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checksum_error="true"
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fi
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if [ "$BOGON_V6_CKSUM" = "$ON_DISK_V6_CKSUM" ]; then
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egrep -v "^fc00::/7" /tmp/bogonsv6 > /etc/bogonsv6
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RESULT=`/sbin/pfctl -t bogonsv6 -T replace -f /etc/bogonsv6 2>&1`
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rm /tmp/bogonsv6
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echo "$RESULT" |awk '{ print "Bogons V6 file downloaded: " $0 }' | logger
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else
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echo "Could not download ${v6urlcksum} (checksum mismatch)" | logger
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checksum_error="true"
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fi
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if [ "$BOGON_V4_CKSUM" = "$ON_DISK_V4_CKSUM" ] || [ "$BOGON_V6_CKSUM" = "$ON_DISK_V6_CKSUM" ]; then
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# We mounted RW, so switch back to RO
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/etc/rc.conf_mount_ro
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fi
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if [ "$checksum_error" != "" ];then
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# Relaunch and sleep
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sh /etc/rc.update_bogons.sh &
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exit
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fi
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echo "rc.update_bogons.sh is ending the update cycle." | logger
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