Create gravity.sh

gravity.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# URL to pull list of known ad servers from
+adListURL="http://pgl.yoyo.org/adservers/serverlist.php?hostformat=dnsmasq&showintro=0&mimetype=plaintext"
+
+# Address to send ads to
+piholeIP="127.0.0.1"
+
+# Where the list of ad servers are stored once downloaded
+# Any file in /etc/dnsmasq.d is loaded automatically when the service starts
+adFile="/etc/dnsmasq.d/adList.conf"
+
+# The temporary file for holding
+eventHorizion="/etc/dnsmasq.d/adList.conf.tmp"
+ 
+# Parses out the default 127.0.0.1 address and replaces it with the IP where ads will be sent
+curl $adListURL | sed "s/127\.0\.0\.1/$piholeIP/" > $eventHorizion
+
+# If the temporary list of ad servers already exists (the eventHorizion)  
+if [ -f "$eventHorizion" ];then
+	# Then replace it as the new ad file	
+	mv -f $eventHorizion $adFile
+else
+	echo "Error building the ad list, please try again."
+	exit 1
+fi