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mirror of https://github.com/moparisthebest/pi-hole synced 2024-11-25 02:32:15 -05:00

Merge pull request #1 from dschaper/hawson-reduce-memory

Upstream Branch pseudo-rebase
This commit is contained in:
Dan Schaper 2015-11-05 18:11:43 -08:00
commit deb6e76e08

View File

@ -1,6 +1,6 @@
#!/bin/bash
# http://pi-hole.net
# Compiles a list of ad-serving domains by downloading them from multiple sources
# 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
piholeIP=$(hostname -I)
@ -8,7 +8,7 @@ piholeIP=$(hostname -I)
# 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://adblock.mahakala.is/'
'http://hosts-file.net/.%5Cad_servers.txt'
'http://www.malwaredomainlist.com/hostslist/hosts.txt'
'http://pgl.yoyo.org/adservers/serverlist.php?'
@ -19,6 +19,9 @@ sources=('https://adaway.org/hosts.txt'
adList=/etc/pihole/gravity.list
origin=/etc/pihole
piholeDir=/etc/pihole
if [[ -f $piholeDir/pihole.conf ]];then
. $piholeDir/pihole.conf
fi
justDomainsExtension=domains
matter=pihole.0.matter.txt
andLight=pihole.1.andLight.txt
@ -27,16 +30,10 @@ eventHorizon=pihole.3.eventHorizon.txt
accretionDisc=pihole.4.accretionDisc.txt
eyeOfTheNeedle=pihole.5.wormhole.txt
blacklist=$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..."
. $piholeDir/pihole.conf
fi
echo "** Neutrino emissions detected..."
# Create the pihole resource directory if it doesn't exist. Future files will be stored here
@ -57,12 +54,8 @@ function createSwapFile()
sudo dphys-swapfile setup
sudo dphys-swapfile swapon
}
if [[ -n "$noSwap" ]]; then
# if $noSwap is set, don't do anything
:
elif [[ -f /etc/dphys-swapfile ]];then
if [[ -f /etc/dphys-swapfile ]];then
swapSize=$(cat /etc/dphys-swapfile | grep -m1 CONF_SWAPSIZE | cut -d'=' -f2)
if [[ $swapSize != 500 ]];then
mv /etc/dphys-swapfile /etc/dphys-swapfile.orig
@ -82,31 +75,55 @@ do
url=${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
agent="Mozilla/10.0"
echo -n "Getting $domain list... "
# Use a case statement to download lists that need special cURL commands
# to complete properly and reset the user agent when required
case "$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 $url);;
"adblock.mahakala.is")
agent='Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0'
cmd="curl -e http://forum.xda-developers.com/"
;;
"pgl.yoyo.org")
cmd="curl -d mimetype=plaintext -d hostformat=hosts"
;;
"pgl.yoyo.org") data=$(curl -s -d mimetype=plaintext -d hostformat=hosts -z $saveLocation $url);;
*) data=$(curl -s -z $saveLocation -A "Mozilla/10.0" $url);;
# Default is a simple curl request
*) cmd="curl"
esac
if [[ -n "$data" ]];then
# tmp file, so we don't have to store the (long!) lists in RAM
tmpfile=`mktemp`
timeCheck=""
if [ -r $saveLocation ]; then
timeCheck="-z $saveLocation"
fi
CMD="$cmd -s $timeCheck -A '$agent' $url > $tmpfile"
echo "running [$CMD]"
$cmd -s $timeCheck -A "$agent" $url > $tmpfile
if [[ -s "$tmpfile" ]];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
awk '($1 !~ /^#/) { if (NF>1) {print $2} else {print $1}}' $tmpfile | \
sed -nr -e 's/\.{2,}/./g' -e '/\./p' > $saveLocation
echo "Done."
else
echo "Skipping list because it does not have any new entries."
fi
# cleanup
rm -f $tmpfile
done
# Find all files with the .domains extension and compile them into one file and remove CRs
@ -114,39 +131,43 @@ 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
if [[ -r $blacklist ]];then
numberOf=$(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 "** $numberOf domains being pulled in by gravity..."
function gravity_advanced() {
numberOf=$(wc -l $origin/$andLight)
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
# not really needed anymore?
cp $origin/$andLight $origin/$supernova
# Sort and remove duplicates
cat $origin/$supernova | sort | uniq > $origin/$eventHorizon
numberOf=$(cat $origin/$eventHorizon | sed '/^\s*$/d' | wc -l)
sort -u $origin/$supernova > $origin/$eventHorizon
numberOf=$(wc -l $origin/$eventHorizon)
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
awk '{print "'"$piholeIP"'" $1}' $origin/$eventHorizon > $origin/$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
if [[ -r $whitelist ]];then
# Remove whitelist entries
numberOf=$(cat $whitelist | sed '/^\s*$/d' | wc -l)
plural=; [[ "$numberOf" != "1" ]] && plural=s
echo "** Whitelisting $numberOf domain${plural}..."
# Append a "$" to the end, prepend a "^" to the beginning, and
# replace "." with "\." of each line to turn each entry into a
# regexp so it can be parsed out with grep -x
@ -163,6 +184,7 @@ do
echo "$url" | awk -F '/' '{print "^"$3"$"}' | sed 's/\./\\./g' >> $latentWhitelist
done
# Remove whitelist entries from deduped list
grep -vxf $latentWhitelist $origin/$matter > $origin/$andLight
gravity_advanced