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Merge pull request #1 from dschaper/hawson-reduce-memory
Upstream Branch pseudo-rebase
This commit is contained in:
Dan Schaper
commit
deb6e76e08
1 changed files with 61 additions and 39 deletions
100
gravity.sh
100
gravity.sh
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@ -1,6 +1,6 @@
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#!/bin/bash
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# http://pi-hole.net
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# Compiles a list of ad-serving domains by downloading them from multiple sources
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# Compiles a list of ad-serving domains by downloading them from multiple sources
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# This script should only be run after you have a static IP address set on the Pi
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piholeIP=$(hostname -I)
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@ -8,7 +8,7 @@ piholeIP=$(hostname -I)
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# Ad-list sources--one per line in single quotes
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sources=('https://adaway.org/hosts.txt'
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'http://adblock.gjtech.net/?format=unix-hosts'
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#'http://adblock.mahakala.is/'
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'http://adblock.mahakala.is/'
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'http://hosts-file.net/.%5Cad_servers.txt'
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'http://www.malwaredomainlist.com/hostslist/hosts.txt'
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'http://pgl.yoyo.org/adservers/serverlist.php?'
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@ -19,6 +19,9 @@ sources=('https://adaway.org/hosts.txt'
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adList=/etc/pihole/gravity.list
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origin=/etc/pihole
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piholeDir=/etc/pihole
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if [[ -f $piholeDir/pihole.conf ]];then
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. $piholeDir/pihole.conf
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fi
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justDomainsExtension=domains
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matter=pihole.0.matter.txt
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andLight=pihole.1.andLight.txt
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@ -27,16 +30,10 @@ eventHorizon=pihole.3.eventHorizon.txt
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accretionDisc=pihole.4.accretionDisc.txt
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eyeOfTheNeedle=pihole.5.wormhole.txt
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blacklist=$piholeDir/blacklist.txt
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latentBlacklist=$origin/latentBlacklist.txt
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whitelist=$piholeDir/whitelist.txt
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latentWhitelist=$origin/latentWhitelist.txt
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# After setting defaults, check if there's local overrides
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if [[ -r $piholeDir/pihole.conf ]];then
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echo "** Local calibration requested..."
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. $piholeDir/pihole.conf
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fi
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echo "** Neutrino emissions detected..."
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# Create the pihole resource directory if it doesn't exist. Future files will be stored here
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@ -57,12 +54,8 @@ function createSwapFile()
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sudo dphys-swapfile setup
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sudo dphys-swapfile swapon
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}
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if [[ -n "$noSwap" ]]; then
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# if $noSwap is set, don't do anything
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:
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elif [[ -f /etc/dphys-swapfile ]];then
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if [[ -f /etc/dphys-swapfile ]];then
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swapSize=$(cat /etc/dphys-swapfile | grep -m1 CONF_SWAPSIZE | cut -d'=' -f2)
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if [[ $swapSize != 500 ]];then
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mv /etc/dphys-swapfile /etc/dphys-swapfile.orig
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@ -82,31 +75,55 @@ do
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url=${sources[$i]}
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# Get just the domain from the URL
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domain=$(echo "$url" | cut -d'/' -f3)
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# Save the file as list.#.domain
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saveLocation=$origin/list.$i.$domain.$justDomainsExtension
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echo -n "Getting $domain list... "
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# Use a case statement to download lists that need special cURL commands to complete properly
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agent="Mozilla/10.0"
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echo -n "Getting $domain list... "
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# Use a case statement to download lists that need special cURL commands
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# to complete properly and reset the user agent when required
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case "$domain" in
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"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 $url);;
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"adblock.mahakala.is")
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agent='Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0'
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cmd="curl -e http://forum.xda-developers.com/"
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;;
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"pgl.yoyo.org")
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cmd="curl -d mimetype=plaintext -d hostformat=hosts"
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;;
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"pgl.yoyo.org") data=$(curl -s -d mimetype=plaintext -d hostformat=hosts -z $saveLocation $url);;
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*) data=$(curl -s -z $saveLocation -A "Mozilla/10.0" $url);;
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# Default is a simple curl request
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*) cmd="curl"
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esac
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if [[ -n "$data" ]];then
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# tmp file, so we don't have to store the (long!) lists in RAM
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tmpfile=`mktemp`
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timeCheck=""
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if [ -r $saveLocation ]; then
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timeCheck="-z $saveLocation"
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fi
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CMD="$cmd -s $timeCheck -A '$agent' $url > $tmpfile"
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echo "running [$CMD]"
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$cmd -s $timeCheck -A "$agent" $url > $tmpfile
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if [[ -s "$tmpfile" ]];then
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# Remove comments and print only the domain name
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# Most of the lists downloaded are already in hosts file format but the spacing/formating is not contigious
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# This helps with that and makes it easier to read
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# It also helps with debugging so each stage of the script can be researched more in depth
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echo "$data" | awk 'NF {if ($1 !~ "#") { if (NF>1) {print $2} else {print $1}}}' | \
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sed -e 's/^[. \t]*//' -e 's/\.\.\+/./g' -e 's/[. \t]*$//' | grep "\." > $saveLocation
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awk '($1 !~ /^#/) { if (NF>1) {print $2} else {print $1}}' $tmpfile | \
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sed -nr -e 's/\.{2,}/./g' -e '/\./p' > $saveLocation
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echo "Done."
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else
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echo "Skipping list because it does not have any new entries."
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fi
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# cleanup
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rm -f $tmpfile
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done
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# Find all files with the .domains extension and compile them into one file and remove CRs
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@ -114,39 +131,43 @@ echo "** Aggregating list of domains..."
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find $origin/ -type f -name "*.$justDomainsExtension" -exec cat {} \; | tr -d '\r' > $origin/$matter
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# Append blacklist entries if they exist
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if [[ -f $blacklist ]];then
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if [[ -r $blacklist ]];then
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numberOf=$(cat $blacklist | sed '/^\s*$/d' | wc -l)
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echo "** Blacklisting $numberOf domain(s)..."
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cat $blacklist >> $origin/$matter
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else
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:
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fi
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function gravity_advanced()
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###########################
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{
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numberOf=$(cat $origin/$andLight | sed '/^\s*$/d' | wc -l)
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echo "** $numberOf domains being pulled in by gravity..."
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function gravity_advanced() {
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numberOf=$(wc -l $origin/$andLight)
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echo "** $numberOf domains being pulled in by gravity..."
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# Remove carriage returns and preceding whitespace
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cat $origin/$andLight | sed $'s/\r$//' | sed '/^\s*$/d' > $origin/$supernova
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# not really needed anymore?
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cp $origin/$andLight $origin/$supernova
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# Sort and remove duplicates
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cat $origin/$supernova | sort | uniq > $origin/$eventHorizon
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numberOf=$(cat $origin/$eventHorizon | sed '/^\s*$/d' | wc -l)
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sort -u $origin/$supernova > $origin/$eventHorizon
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numberOf=$(wc -l $origin/$eventHorizon)
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echo "** $numberOf unique domains trapped in the event horizon."
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# Format domain list as "192.168.x.x domain.com"
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echo "** Formatting domains into a HOSTS file..."
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cat $origin/$eventHorizon | awk '{sub(/\r$/,""); print "'"$piholeIP"' " $0}' > $origin/$accretionDisc
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awk '{print "'"$piholeIP"'" $1}' $origin/$eventHorizon > $origin/$accretionDisc
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# Copy the file over as /etc/pihole/gravity.list so dnsmasq can use it
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sudo cp $origin/$accretionDisc $adList
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kill -HUP $(pidof dnsmasq)
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}
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}
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# Whitelist (if applicable) then remove duplicates and format for dnsmasq
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if [[ -f $whitelist ]];then
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if [[ -r $whitelist ]];then
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# Remove whitelist entries
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numberOf=$(cat $whitelist | sed '/^\s*$/d' | wc -l)
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plural=; [[ "$numberOf" != "1" ]] && plural=s
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echo "** Whitelisting $numberOf domain${plural}..."
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# Append a "$" to the end, prepend a "^" to the beginning, and
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# replace "." with "\." of each line to turn each entry into a
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# regexp so it can be parsed out with grep -x
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@ -163,6 +184,7 @@ do
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echo "$url" | awk -F '/' '{print "^"$3"$"}' | sed 's/\./\\./g' >> $latentWhitelist
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done
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# Remove whitelist entries from deduped list
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grep -vxf $latentWhitelist $origin/$matter > $origin/$andLight
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gravity_advanced
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