mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-11-25 07:33:43 +00:00
162 lines
6.1 KiB
Bash
Executable file
162 lines
6.1 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) 2017 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# Completely uninstalls Pi-hole
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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source "/opt/pihole/COL_TABLE"
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while true; do
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read -rp " ${QST} Are you sure you would like to remove ${COL_WHITE}Pi-hole${COL_NC}? [y/N] " answer
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case ${answer} in
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[Yy]* ) break;;
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* ) echo -e "${OVER} ${COL_LIGHT_GREEN}Uninstall has been canceled${COL_NC}"; exit 0;;
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esac
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done
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# Must be root to uninstall
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str="Root user check"
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if [[ ${EUID} -eq 0 ]]; then
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echo -e " ${TICK} ${str}"
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else
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# Check if sudo is actually installed
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# If it isn't, exit because the uninstall can not complete
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if [ -x "$(command -v sudo)" ]; then
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export SUDO="sudo"
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else
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echo -e " ${CROSS} ${str}
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Script called with non-root privileges
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The Pi-hole requires elevated privileges to uninstall"
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exit 1
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fi
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fi
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readonly PI_HOLE_FILES_DIR="/etc/.pihole"
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SKIP_INSTALL="true"
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source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
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# package_manager_detect() sourced from basic-install.sh
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package_manager_detect
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removeMetaPackage() {
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# Purge Pi-hole meta package
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echo ""
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echo -ne " ${INFO} Removing Pi-hole meta package...";
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eval "${SUDO}" "${PKG_REMOVE}" "pihole-meta" &> /dev/null;
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echo -e "${OVER} ${INFO} Removed Pi-hole meta package";
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}
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removePiholeFiles() {
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# Only web directories/files that are created by Pi-hole should be removed
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echo -ne " ${INFO} Removing Web Interface..."
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${SUDO} rm -rf /var/www/html/admin &> /dev/null
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# If the web directory is empty after removing these files, then the parent html directory 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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echo -e "${OVER} ${TICK} Removed Web Interface"
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# Attempt to preserve backwards compatibility with older versions
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# to guarantee no additional changes were made to /etc/crontab after
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# the installation of pihole, /etc/crontab.pihole should be permanently
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# preserved.
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if [[ -f /etc/crontab.orig ]]; then
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${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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echo -e " ${TICK} Restored the default system cron"
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fi
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# Attempt to preserve backwards compatibility with older versions
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if [[ -f /etc/cron.d/pihole ]];then
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${SUDO} rm -f /etc/cron.d/pihole &> /dev/null
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echo -e " ${TICK} Removed /etc/cron.d/pihole"
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fi
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${SUDO} rm -rf /var/log/*pihole* &> /dev/null
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${SUDO} rm -rf /var/log/pihole/*pihole* &> /dev/null
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${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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${SUDO} rm -f /usr/local/bin/pihole &> /dev/null
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${SUDO} rm -f /etc/bash_completion.d/pihole &> /dev/null
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${SUDO} rm -f /etc/sudoers.d/pihole &> /dev/null
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echo -e " ${TICK} Removed config files"
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# Restore Resolved
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if [[ -e /etc/systemd/resolved.conf.orig ]]; then
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${SUDO} cp -p /etc/systemd/resolved.conf.orig /etc/systemd/resolved.conf
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systemctl reload-or-restart systemd-resolved
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fi
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# Remove FTL
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if command -v pihole-FTL &> /dev/null; then
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echo -ne " ${INFO} Removing pihole-FTL..."
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if [[ -x "$(command -v systemctl)" ]]; then
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systemctl stop pihole-FTL
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else
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service pihole-FTL stop
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fi
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${SUDO} rm -f /etc/systemd/system/pihole-FTL.service
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if [[ -d '/etc/systemd/system/pihole-FTL.service.d' ]]; then
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read -rp " ${QST} FTL service override directory /etc/systemd/system/pihole-FTL.service.d detected. Do you wish to remove this from your system? [y/N] " answer
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case $answer in
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[yY]*)
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echo -ne " ${INFO} Removing /etc/systemd/system/pihole-FTL.service.d..."
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${SUDO} rm -R /etc/systemd/system/pihole-FTL.service.d
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echo -e "${OVER} ${INFO} Removed /etc/systemd/system/pihole-FTL.service.d"
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;;
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*) echo -e " ${INFO} Leaving /etc/systemd/system/pihole-FTL.service.d in place.";;
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esac
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fi
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${SUDO} rm -f /etc/init.d/pihole-FTL
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${SUDO} rm -f /usr/bin/pihole-FTL
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echo -e "${OVER} ${TICK} Removed pihole-FTL"
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fi
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# If the pihole manpage exists, then delete and rebuild man-db
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if [[ -f /usr/local/share/man/man8/pihole.8 ]]; then
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${SUDO} rm -f /usr/local/share/man/man8/pihole.8 /usr/local/share/man/man8/pihole-FTL.8 /usr/local/share/man/man5/pihole-FTL.conf.5
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${SUDO} mandb -q &>/dev/null
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echo -e " ${TICK} Removed pihole man page"
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fi
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# If the pihole user exists, then remove
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if id "pihole" &> /dev/null; then
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if ${SUDO} userdel -r pihole 2> /dev/null; then
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echo -e " ${TICK} Removed 'pihole' user"
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else
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echo -e " ${CROSS} Unable to remove 'pihole' user"
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fi
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fi
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# If the pihole group exists, then remove
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if getent group "pihole" &> /dev/null; then
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if ${SUDO} groupdel pihole 2> /dev/null; then
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echo -e " ${TICK} Removed 'pihole' group"
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else
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echo -e " ${CROSS} Unable to remove 'pihole' group"
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fi
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fi
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echo -e "\\n We're sorry to see you go, but thanks for checking out Pi-hole!
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If you need help, reach out to us on GitHub, Discourse, Reddit or Twitter
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Reinstall at any time: ${COL_WHITE}curl -sSL https://install.pi-hole.net | bash${COL_NC}
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${COL_LIGHT_RED}Please reset the DNS on your router/clients to restore internet connectivity${COL_NC}
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${INFO} Pi-hole's meta package has been removed, use the 'autoremove' function from your package manager to remove unused dependencies${COL_NC}
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${COL_LIGHT_GREEN}Uninstallation Complete! ${COL_NC}"
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}
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######### SCRIPT ###########
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removeMetaPackage
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removePiholeFiles
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