pi-hole/automated install/uninstall.sh

118 lines
3.5 KiB
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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
# Completely uninstalls Pi-hole
#
# 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.
spinner() {
local pid=$1
spin='-\|/'
i=0
while $SUDO kill -0 $pid 2>/dev/null
do
i=$(( (i+1) %4 ))
printf "\b${spin:$i:1}"
sleep .1
done
printf "\b"
}
echo ":::"
echo "::: Sorry to see you go :(..."
echo ":::"
# Must be root to uninstall
if [[ $EUID -eq 0 ]];then
echo "You are root."
else
echo "::: sudo will be used for the uninstall."
# Check if it is actually installed
# If it isn't, exit because the unnstall cannot complete
if [[ $(dpkg-query -s sudo) ]];then
export SUDO="sudo"
else
echo "Please install sudo or run this as root."
exit 1
fi
fi
######### SCRIPT ###########
#Check with user which dependencies to remove. They may be using some of them elsewhere
echo ":::"
echo "::: Removing dependencies..."
dependencies=( dnsutils bc toilet figlet dnsmasq lighttpd php5-common php5-cgi php5 git curl unzip wget )
for i in "${dependencies[@]}"
do
:
if [ $(dpkg-query -W -f='${Status}' $i 2>/dev/null | grep -c "ok installed") -eq 1 ]; then
while true; do
read -p "::: Do you wish to remove this dependency from your system? [$i] (y/n): " yn
case $yn in
[Yy]* ) echo -n "::: removing $i....";$SUDO apt-get -y -qq remove $i > /dev/null & spinner $!; echo " done."; break;;
[Nn]* ) echo "::: Keeping $i installed"; break;;
* ) echo "::: Please answer yes or no.";;
esac
done
echo ":::"
fi
done
# Only web directories/files that are created by pihole should be removed.
echo -n "::: Removing the Pi-hole Web server files..."
$SUDO rm -rf /var/www/html/admin
$SUDO rm -rf /var/www/html/pihole
$SUDO rm /var/www/html/index.lighttpd.orig
echo " done."
echo ":::"
echo -n "::: Removing PiHole Git Directory..."
$SUDO rm -rf /etc/.pihole
echo " done."
# If the web directory is empty after removing these files, then the parent html folder can be removed.
#if [[ ! "$(ls -A /var/www/html)" ]]; then
# $SUDO rm -rf /var/www/html
#fi
echo -n "::: Removing pi-hole dnsmasq config file..."
$SUDO rm /etc/dnsmasq.d/01-pihole.conf
echo " done."
# Attempt to preserve backwards compatibility with older versions
# to guarantee no additional changes were made to /etc/crontab after
# the installation of pihole, /etc/crontab.pihole should be permanently
# preserved.
if [[ -f /etc/crontab.orig ]]; then
echo "Initial Pi-hole cron detected. Restoring the default system cron..."
$SUDO mv /etc/crontab /etc/crontab.pihole
$SUDO mv /etc/crontab.orig /etc/crontab
$SUDO service cron restart
fi
# Attempt to preserve backwards compatibility with older versions
if [[ -f /etc/cron.d/pihole ]];then
echo -n "::: Removing pi-hole cron jobs..."
$SUDO rm /etc/cron.d/pihole
echo " done."
fi
echo -n "::: Removing config files and scripts..."
$SUDO rm -rf /etc/.pihole/
#$SUDO rm -rf /etc/lighttpd/
$SUDO rm /var/log/pihole.log
$SUDO rm /usr/local/bin/gravity.sh
$SUDO rm /usr/local/bin/chronometer.sh
$SUDO rm /usr/local/bin/whitelist.sh
$SUDO rm /usr/local/bin/blacklist.sh
$SUDO rm /usr/local/bin/piholeLogFlush.sh
$SUDO rm -rf /etc/pihole/
$SUDO rm /usr/local/bin/uninstall.sh
echo " done."