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#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
# (c) 2015, 2016 by Jacob Salmela
# Network-wide ad blocking via your Raspberry Pi
# http://pi-hole.net
# Calculates stats and displays to an LCD
#
# Pi-hole is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#Functions##############################################################################################################
piLog="/var/log/pihole.log"
gravity="/etc/pihole/gravity.list"
. /etc/pihole/setupVars.conf
CalcBlockedDomains() {
if [ -e "${gravity}" ]; then
# if BOTH IPV4 and IPV6 are in use, then we need to divide total domains by 2.
if [[ -n "${IPV4_ADDRESS}" && -n "${IPV6_ADDRESS}" ]]; then
blockedDomainsTotal=$(wc -l /etc/pihole/gravity.list | awk '{print $1/2}')
else
# only one is set.
blockedDomainsTotal=$(wc -l /etc/pihole/gravity.list | awk '{print $1}')
fi
else
blockedDomainsTotal="Err."
fi
}
CalcQueriesToday() {
if [ -e "${piLog}" ]; then
queriesToday=$(awk '/query\[/ {print $6}' < "${piLog}" | wc -l)
else
queriesToday="Err."
fi
}
CalcblockedToday() {
if [ -e "${piLog}" ] && [ -e "${gravity}" ];then
blockedToday=$(awk '/\/etc\/pihole\/gravity.list/ && !/address/ {print $6}' < "${piLog}" | wc -l)
else
blockedToday="Err."
fi
}
CalcPercentBlockedToday() {
if [ "${queriesToday}" != "Err." ] && [ "${blockedToday}" != "Err." ]; then
if [ "${queriesToday}" != 0 ]; then #Fixes divide by zero error :)
#scale 2 rounds the number down, so we'll do scale 4 and then trim the last 2 zeros
percentBlockedToday=$(echo "scale=4; ${blockedToday}/${queriesToday}*100" | bc)
percentBlockedToday=$(sed 's/.\{2\}$//' <<< "${percentBlockedToday}")
else
percentBlockedToday=0
fi
fi
}
outputJSON() {
CalcQueriesToday
CalcblockedToday
CalcPercentBlockedToday
CalcBlockedDomains
printf '{"domains_being_blocked":"%s","dns_queries_today":"%s","ads_blocked_today":"%s","ads_percentage_today":"%s"}\n' "$blockedDomainsTotal" "$queriesToday" "$blockedToday" "$percentBlockedToday"
}
normalChrono() {
for (( ; ; )); do
clear
# Displays a colorful Pi-hole logo
echo " [0;1;35;95m_[0;1;31;91m__[0m [0;1;33;93m_[0m [0;1;34;94m_[0m [0;1;36;96m_[0m"
echo "[0;1;31;91m|[0m [0;1;33;93m_[0m [0;1;32;92m(_[0;1;36;96m)_[0;1;34;94m__[0;1;35;95m|[0m [0;1;31;91m|_[0m [0;1;32;92m__[0;1;36;96m_|[0m [0;1;34;94m|[0;1;35;95m__[0;1;31;91m_[0m"
echo "[0;1;33;93m|[0m [0;1;32;92m_[0;1;36;96m/[0m [0;1;34;94m|_[0;1;35;95m__[0;1;31;91m|[0m [0;1;33;93m'[0m [0;1;32;92m\/[0m [0;1;36;96m_[0m [0;1;34;94m\[0m [0;1;35;95m/[0m [0;1;31;91m-[0;1;33;93m_)[0m"
echo "[0;1;32;92m|_[0;1;36;96m|[0m [0;1;34;94m|_[0;1;35;95m|[0m [0;1;33;93m|_[0;1;32;92m||[0;1;36;96m_\[0;1;34;94m__[0;1;35;95m_/[0;1;31;91m_\[0;1;33;93m__[0;1;32;92m_|[0m"
echo ""
echo " ${IPV4_ADDRESS}"
echo ""
uptime | cut -d' ' -f11-
#uptime -p #Doesn't work on all versions of uptime
uptime | awk -F'( |,|:)+' '{if ($7=="min") m=$6; else {if ($7~/^day/) {d=$6;h=$8;m=$9} else {h=$6;m=$7}}} {print d+0,"days,",h+0,"hours,",m+0,"minutes."}'
echo "-------------------------------"
# Uncomment to continually read the log file and display the current domain being blocked
#tail -f /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {if ($7 != "address" && $7 != "name" && $7 != "/etc/pihole/gravity.list") print $7; else;}'
#uncomment next 4 lines to use original query count calculation
#today=$(date "+%b %e")
#todaysQueryCount=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ {print $7}' | wc -l)
#todaysQueryCountV4=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[A\]/ {print $7}' | wc -l)
#todaysQueryCountV6=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[AAAA\]/ {print $7}' | wc -l)
CalcQueriesToday
CalcblockedToday
CalcPercentBlockedToday
CalcBlockedDomains
echo "Blocking: ${blockedDomainsTotal}"
echo "Queries: ${queriesToday}" #same total calculation as dashboard
echo "Pi-holed: ${blockedToday} (${percentBlockedToday}%)"
sleep 5
done
}
displayHelp() {
cat << EOM
::: Displays stats about your piHole!
:::
::: Usage: sudo pihole -c [optional:-j]
::: Note: If no option is passed, then stats are displayed on screen, updated every 5 seconds
:::
::: Options:
::: -j, --json output stats as JSON formatted string
::: -h, --help display this help text
EOM
exit 0
}
if [[ $# = 0 ]]; then
normalChrono
fi
for var in "$@"; do
case "$var" in
"-j" | "--json" ) outputJSON;;
"-h" | "--help" ) displayHelp;;
* ) exit 1;;
esac
done
|
