mirror of
https://github.com/pi-hole/pi-hole.git
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142 lines
4.4 KiB
Bash
Executable file
142 lines
4.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2015, 2016 by Jacob Salmela
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# Network-wide ad blocking via your Raspberry Pi
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# http://pi-hole.net
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# Calculates stats and displays to an LCD
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#
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# Pi-hole is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#Functions##############################################################################################################
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piLog="/var/log/pihole.log"
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gravity="/etc/pihole/gravity.list"
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today=$(date "+%b %e")
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function CalcBlockedDomains(){
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CheckIPv6
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if [ -e "$gravity" ]; then
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#Are we IPV6 or IPV4?
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if [[ -n $piholeIPv6 ]];then
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#We are IPV6
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blockedDomainsTotal=$(wc -l /etc/pihole/gravity.list | awk '{print $1/2}')
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else
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#We are IPV4
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blockedDomainsTotal=$(wc -l /etc/pihole/gravity.list | awk '{print $1}')
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fi
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else
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blockedDomainsTotal="Err."
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fi
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}
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function CalcQueriesToday(){
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if [ -e "$piLog" ];then
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queriesToday=$(cat "$piLog" | grep "$today" | awk '/query/ {print $6}' | wc -l)
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else
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queriesToday="Err."
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fi
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}
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function CalcblockedToday(){
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if [ -e "$piLog" ] && [ -e "$gravity" ];then
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blockedToday=$(cat $piLog | awk '/\/etc\/pihole\/gravity.list/ && !/address/ {print $6}' | wc -l)
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else
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blockedToday="Err."
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fi
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}
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function CalcPercentBlockedToday(){
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if [ "$queriesToday" != "Err." ] && [ "$blockedToday" != "Err." ]; then
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if [ "$queriesToday" != 0 ]; then #Fixes divide by zero error :)
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#scale 2 rounds the number down, so we'll do scale 4 and then trim the last 2 zeros
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percentBlockedToday=$(echo "scale=4; $blockedToday/$queriesToday*100" | bc)
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percentBlockedToday=$(sed 's/.\{2\}$//' <<< "$percentBlockedToday")
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else
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percentBlockedToday=0
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fi
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fi
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}
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function CheckIPv6(){
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piholeIPv6file="/etc/pihole/.useIPv6"
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if [[ -f $piholeIPv6file ]];then
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# If the file exists, then the user previously chose to use IPv6 in the automated installer
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piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
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fi
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}
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function outputJSON(){
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CalcQueriesToday
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CalcblockedToday
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CalcPercentBlockedToday
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CalcBlockedDomains
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printf '{"domains_being_blocked":"%s","dns_queries_today":"%s","ads_blocked_today":"%s","ads_percentage_today":"%s"}\n' "$blockedDomainsTotal" "$queriesToday" "$blockedToday" "$percentBlockedToday"
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}
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function normalChrono(){
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for (( ; ; ))
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do
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clear
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# Displays a colorful Pi-hole logo
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toilet -f small -F gay Pi-hole
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echo " $(ifconfig eth0 | awk '/inet addr/ {print $2}' | cut -d':' -f2)"
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echo ""
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uptime | cut -d' ' -f11-
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echo "-------------------------------"
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# Uncomment to continually read the log file and display the current domain being blocked
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#tail -f /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {if ($7 != "address" && $7 != "name" && $7 != "/etc/pihole/gravity.list") print $7; else;}'
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#uncomment next 4 lines to use original query count calculation
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#today=$(date "+%b %e")
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#todaysQueryCount=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ {print $7}' | wc -l)
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#todaysQueryCountV4=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[A\]/ {print $7}' | wc -l)
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#todaysQueryCountV6=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[AAAA\]/ {print $7}' | wc -l)
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CalcQueriesToday
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CalcblockedToday
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CalcPercentBlockedToday
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CalcBlockedDomains
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echo "Blocking: $blockedDomainsTotal"
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#below commented line does not add up to todaysQueryCount
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#echo "Queries: $todaysQueryCountV4 / $todaysQueryCountV6"
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echo "Queries: $queriesToday" #same total calculation as dashboard
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echo "Pi-holed: $blockedToday ($percentBlockedToday%)"
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sleep 5
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done
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}
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function displayHelp(){
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echo "Displays stats about your piHole!"
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echo " "
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echo "Usage: chronometer.sh [optional:-j]"
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echo "Note: If no option is passed, then stats are displayed on screen, updated every 5 seconds"
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echo " "
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echo "Options:"
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echo " -j, --json output stats as JSON formatted string"
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echo " -h, --help display this help text"
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exit 1
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}
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if [[ $# = 0 ]]; then
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normalChrono
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fi
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for var in "$@"
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do
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case "$var" in
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"-j" | "--json" ) outputJSON;;
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"-h" | "--help" ) displayHelp;;
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* ) exit 1;;
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esac
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done
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