mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-12-04 20:13:17 +00:00
146 lines
5.2 KiB
Bash
Executable file
146 lines
5.2 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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# Completely uninstalls Pi-hole
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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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# Must be root to uninstall
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if [[ $EUID -eq 0 ]];then
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echo "::: You are root."
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else
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echo "::: Sudo will be used for the uninstall."
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# Check if it is actually installed
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# If it isn't, exit because the unnstall cannot complete
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if [[ $(dpkg-query -s sudo) ]];then
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export SUDO="sudo"
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else
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echo "::: Please install sudo or run this as root."
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exit 1
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fi
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fi
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spinner()
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{
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local pid=$1
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local delay=0.50
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local spinstr='/-\|'
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while [ "$(ps a | awk '{print $1}' | grep "$pid")" ]; do
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local temp=${spinstr#?}
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printf " [%c] " "$spinstr"
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local spinstr=$temp${spinstr%"$temp"}
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sleep $delay
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printf "\b\b\b\b\b\b"
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done
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printf " \b\b\b\b"
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}
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function removeAndPurge {
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# Purge dependencies
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echo ":::"
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# Nate 3/28/2016 - Removed `php5-cgi` and `php5` as they are removed with php5-common
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dependencies=( dnsutils bc toilet figlet dnsmasq lighttpd php5-common git curl unzip wget )
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for i in "${dependencies[@]}"; do
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if [ "$(dpkg-query -W --showformat='${Status}\n' "$i" 2> /dev/null | grep -c "ok installed")" -eq 1 ]; then
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while true; do
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read -rp "::: Do you wish to remove $i from your system? [y/n]: " yn
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case $yn in
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[Yy]* ) printf ":::\tRemoving %s..." "$i"; $SUDO apt-get -y remove --purge "$i" &> /dev/null & spinner $!; printf "done!\n"; break;;
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[Nn]* ) printf ":::\tSkipping %s" "$i"; break;;
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* ) printf "::: You must answer yes or no!";;
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esac
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done
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else
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printf ":::\tPackage %s not installed... Not removing.\n" "$i"
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fi
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done
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# Remove dependency config files
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echo "::: Removing dnsmasq config files..."
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$SUDO rm /etc/dnsmasq.conf /etc/dnsmasq.conf.orig /etc/dnsmasq.d/01-pihole.conf &> /dev/null
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# Take care of any additional package cleaning
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printf "::: Auto removing remaining dependencies..."
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$SUDO apt-get -y autoremove &> /dev/null & spinner $!; printf "done!\n";
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printf "::: Auto cleaning remaining dependencies..."
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$SUDO apt-get -y autoclean &> /dev/null & spinner $!; printf "done!\n";
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# Call removeNoPurge to remove PiHole specific files
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removeNoPurge
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}
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function removeNoPurge {
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echo ":::"
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# Only web directories/files that are created by pihole should be removed.
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echo "::: Removing the Pi-hole Web server files..."
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$SUDO rm -rf /var/www/html/admin &> /dev/null
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$SUDO rm -rf /var/www/html/pihole &> /dev/null
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$SUDO rm /var/www/html/index.lighttpd.orig &> /dev/null
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# If the web directory is empty after removing these files, then the parent html folder can be removed.
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if [ -d "/var/www/html" ]; then
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if [[ ! "$(ls -A /var/www/html)" ]]; then
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$SUDO rm -rf /var/www/html &> /dev/null
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fi
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fi
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# Attempt to preserve backwards compatibility with older versions
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# to guarantee no additional changes were made to /etc/crontab after
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# the installation of pihole, /etc/crontab.pihole should be permanently
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# preserved.
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if [[ -f /etc/crontab.orig ]]; then
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echo "::: Initial Pi-hole cron detected. Restoring the default system cron..."
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$SUDO mv /etc/crontab /etc/crontab.pihole
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$SUDO mv /etc/crontab.orig /etc/crontab
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$SUDO service cron restart
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fi
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# Attempt to preserve backwards compatibility with older versions
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if [[ -f /etc/cron.d/pihole ]];then
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echo "::: Removing cron.d/pihole..."
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$SUDO rm /etc/cron.d/pihole &> /dev/null
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fi
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echo "::: Removing config files and scripts..."
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if [ ! "$(dpkg-query -W --showformat='${Status}\n' lighttpd 2> /dev/null | grep -c "ok installed")" -eq 1 ]; then
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$SUDO rm -rf /etc/lighttpd/ &> /dev/null
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else
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if [ -f /etc/lighttpd/lighttpd.conf.orig ]; then
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$SUDO mv /etc/lighttpd/lighttpd.conf.orig /etc/lighttpd/lighttpd.conf
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fi
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fi
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$SUDO rm /etc/dnsmasq.d/adList.conf &> /dev/null
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$SUDO rm /etc/dnsmasq.d/01-pihole.conf &> /dev/null
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$SUDO rm -rf /var/log/*pihole* &> /dev/null
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$SUDO rm -rf /etc/pihole/ &> /dev/null
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$SUDO rm -rf /etc/.pihole/ &> /dev/null
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$SUDO rm -rf /opt/pihole/ &> /dev/null
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$SUDO rm /usr/local/bin/pihole &> /dev/null
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$SUDO rm /etc/bash_completion.d/pihole
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echo ":::"
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printf "::: Finished removing PiHole from your system. Sorry to see you go!\n"
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printf "::: Reach out to us at https://github.com/pi-hole/pi-hole/issues if you need help\n"
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printf "::: Reinstall by simpling running\n:::\n:::\tcurl -L install.pi-hole.net | bash\n:::\n::: at any time!\n:::\n"
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printf "::: PLEASE RESET YOUR DNS ON YOUR ROUTER/CLIENTS TO RESTORE INTERNET CONNECTIVITY!\n"
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}
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######### SCRIPT ###########
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echo "::: Preparing to remove packages, be sure that each may be safely removed depending on your operating system."
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echo "::: (SAFE TO REMOVE ALL ON RASPBIAN)"
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while true; do
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read -rp "::: Do you wish to purge PiHole's dependencies from your OS? (You will be prompted for each package) [y/n]: " yn
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case $yn in
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[Yy]* ) removeAndPurge; break;;
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[Nn]* ) removeNoPurge; break;;
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esac
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done
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