unbound/contrib/create_unbound_ad_servers.sh
W.C.A. Wijngaards f887552763 - Fix Config Injection in create_unbound_ad_servers.sh,
reported by X41 D-Sec.
2019-11-20 12:02:19 +01:00

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#!/bin/sh
#
# Convert the Yoyo.org anti-ad server listing
# into an unbound dns spoof redirection list.
# Modified by Y.Voinov (c) 2014
# Note: Wget required!
# Variables
dst_dir="/etc/opt/csw/unbound"
work_dir="/tmp"
list_addr="https://pgl.yoyo.org/adservers/serverlist.php?hostformat=nohtml&showintro=1&startdate%5Bday%5D=&startdate%5Bmonth%5D=&startdate%5Byear%5D="
# OS commands
CAT=`which cat`
ECHO=`which echo`
WGET=`which wget`
TR=`which tr`
# Check Wget installed
if [ ! -f $WGET ]; then
echo "Wget not found. Exiting..."
exit 1
fi
# remove special characters with tr to protect unbound.conf
$WGET -O $work_dir/yoyo_ad_servers "$list_addr" && \
$CAT $work_dir/yoyo_ad_servers | \
$TR -d '";$\\' | \
while read line ; \
do \
$ECHO "local-zone: \"$line\" redirect" ;\
$ECHO "local-data: \"$line A 127.0.0.1\"" ;\
done > \
$dst_dir/unbound_ad_servers
echo "Done."
# then add an include line to your unbound.conf pointing to the full path of
# the unbound_ad_servers file:
#
# include: $dst_dir/unbound_ad_servers
#