#!/bin/bash # http://pi-hole.net # Compiles a list of ad-serving domains by downloading them from multiple sources # This script should only be run after you have a static IP address set on the Pi piholeIPv4=$(ip addr show | awk '{match($0,/[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/); ip = substr($0,RSTART,RLENGTH); print ip}' | sed '/^\s*$/d' | grep -v "127.0.0.1") piholeIPv6=$(ip addr show | awk '/scope\ global/ && /ff:fe/ {print $2}' | cut -d'/' -f1) # Ad-list sources--one per line in single quotes sources=('https://adaway.org/hosts.txt' 'http://adblock.gjtech.net/?format=unix-hosts' 'http://adblock.mahakala.is/' 'http://hosts-file.net/.%5Cad_servers.txt' 'http://www.malwaredomainlist.com/hostslist/hosts.txt' 'http://pgl.yoyo.org/adservers/serverlist.php?' 'http://someonewhocares.org/hosts/hosts' 'http://winhelp2002.mvps.org/hosts.txt') # Variables for various stages of downloading and formatting the list adList=/etc/pihole/gravity.list origin=/etc/pihole piholeDir=/etc/pihole justDomainsExtension=domains matter=pihole.0.matter.txt andLight=pihole.1.andLight.txt supernova=pihole.2.supernova.txt eventHorizon=pihole.3.eventHorizon.txt accretionDisc=pihole.4.accretionDisc.txt eyeOfTheNeedle=pihole.5.wormhole.txt blacklist=$piholeDir/blacklist.txt latentBlacklist=$origin/latentBlacklist.txt whitelist=$piholeDir/whitelist.txt latentWhitelist=$origin/latentWhitelist.txt # After setting defaults, check if there's local overrides if [[ -r $piholeDir/pihole.conf ]];then echo "** Local calibration requested..." . $piholeDir/pihole.conf fi echo "** Neutrino emissions detected..." # Create the pihole resource directory if it doesn't exist. Future files will be stored here if [[ -d $piholeDir ]];then : else echo "** Creating pihole directory..." sudo mkdir $piholeDir fi # Add additional swap to prevent the "Error fork: unable to allocate memory" message: https://github.com/jacobsalmela/pi-hole/issues/37 function createSwapFile() ######################### { echo "** Creating more swap space to accomodate large solar masses..." sudo dphys-swapfile swapoff sudo curl -s -o /etc/dphys-swapfile https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/dphys-swapfile sudo dphys-swapfile setup sudo dphys-swapfile swapon } if [[ -n "$noSwap" ]]; then # if $noSwap is set, don't do anything : elif [[ -f /etc/dphys-swapfile ]];then swapSize=$(cat /etc/dphys-swapfile | grep -m1 CONF_SWAPSIZE | cut -d'=' -f2) if [[ $swapSize != 500 ]];then mv /etc/dphys-swapfile /etc/dphys-swapfile.orig echo "** Current swap size is $swapSize" createSwapFile else : fi else echo "** No swap file found. Creating one..." createSwapFile fi # Loop through domain list. Download each one and remove commented lines (lines beginning with '# 'or '/') and blank lines for ((i = 0; i < "${#sources[@]}"; i++)) do url=${sources[$i]} # Get just the domain from the URL domain=$(echo "$url" | cut -d'/' -f3) # Save the file as list.#.domain saveLocation=$origin/list.$i.$domain.$justDomainsExtension echo -n "Getting $domain list... " # Use a case statement to download lists that need special cURL commands to complete properly case "$domain" in "adblock.mahakala.is") data=$(curl -s -A 'Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0' -e http://forum.xda-developers.com/ -z $saveLocation $url);; "pgl.yoyo.org") data=$(curl -s -d mimetype=plaintext -d hostformat=hosts -z $saveLocation $url);; *) data=$(curl -s -z $saveLocation -A "Mozilla/10.0" $url);; esac if [[ -n "$data" ]];then # Remove comments and print only the domain name # Most of the lists downloaded are already in hosts file format but the spacing/formating is not contigious # This helps with that and makes it easier to read # It also helps with debugging so each stage of the script can be researched more in depth echo "$data" | awk 'NF {if ($1 !~ "#") { if (NF>1) {print $2} else {print $1}}}' | \ sed -e 's/^[. \t]*//' -e 's/\.\.\+/./g' -e 's/[. \t]*$//' | grep "\." > $saveLocation echo "Done." else echo "Skipping list because it does not have any new entries." fi done # Find all files with the .domains extension and compile them into one file and remove CRs echo "** Aggregating list of domains..." find $origin/ -type f -name "*.$justDomainsExtension" -exec cat {} \; | tr -d '\r' > $origin/$matter # Append blacklist entries if they exist if [[ -f $blacklist ]];then numberOf=$(cat $blacklist | sed '/^\s*$/d' | wc -l) echo "** Blacklisting $numberOf domain(s)..." cat $blacklist >> $origin/$matter else : fi function gravity_advanced() ########################### { numberOf=$(cat $origin/$andLight | sed '/^\s*$/d' | wc -l) echo "** $numberOf domains being pulled in by gravity..." # Remove carriage returns and preceding whitespace cat $origin/$andLight | sed $'s/\r$//' | sed '/^\s*$/d' > $origin/$supernova # Sort and remove duplicates cat $origin/$supernova | sort | uniq > $origin/$eventHorizon numberOf=$(cat $origin/$eventHorizon | sed '/^\s*$/d' | wc -l) echo "** $numberOf unique domains trapped in the event horizon." # Format domain list as "192.168.x.x domain.com" echo "** Formatting domains into a HOSTS file..." cat $origin/$eventHorizon | awk '{sub(/\r$/,""); print "'"$piholeIP"'" $0}' > $origin/$accretionDisc # Copy the file over as /etc/pihole/gravity.list so dnsmasq can use it sudo cp $origin/$accretionDisc $adList kill -HUP $(pidof dnsmasq) } # Whitelist (if applicable) then remove duplicates and format for dnsmasq if [[ -f $whitelist ]];then # Remove whitelist entries numberOf=$(cat $whitelist | sed '/^\s*$/d' | wc -l) plural=; [[ "$numberOf" != "1" ]] && plural=s echo "** Whitelisting $numberOf domain${plural}..." # Append a "$" to the end, prepend a "^" to the beginning, and # replace "." with "\." of each line to turn each entry into a # regexp so it can be parsed out with grep -x awk -F '[# \t]' 'NF>0&&$1!="" {print "^"$1"$"}' $whitelist | sed 's/\./\\./g' > $latentWhitelist else rm $latentWhitelist fi # Prevent our sources from being pulled into the hole plural=; [[ "${#sources[@]}" != "1" ]] && plural=s echo "** Whitelisting ${#sources[@]} ad list source${plural}..." for url in ${sources[@]} do echo "$url" | awk -F '/' '{print "^"$3"$"}' | sed 's/\./\\./g' >> $latentWhitelist done grep -vxf $latentWhitelist $origin/$matter > $origin/$andLight gravity_advanced