Script for OpenWRT ad blocking

openwrt-blockads.sh

BLOCKADS=/etc/dnsmasq.d/blockads
CONF=/etc/dnsmasq.conf

cat - << EOF > ${CONF}
conf-dir=$(dirname ${BLOCKADS})
EOF

# Create the directory
mkdir -p $(dirname ${BLOCKADS})

# Fetch the List Of Evil™
(
    /usr/bin/wget -q -O - "http://pgl.yoyo.org/adservers/serverlist.php?hostformat=nohtml&showintro=0&mimetype=plaintext" | while read LINE; do
        echo "address=/${LINE}/127.0.0.1"
    done
) > ${BLOCKADS}

# Whitelist some domains
sed -i '/scorecardresearch.com/d' ${BLOCKADS}

# Bounce!
/etc/init.d/dnsmasq reload