mirror of
https://github.com/pi-hole/pi-hole
synced 2024-12-22 14:58:08 +00:00
c901443676
The statement "All dependencies are safe to remove on Raspbian" has been added at a time where a much smaller list of dependencies were installed, all indeed relatively safe to purge. Nowadays this list has grown and includes important system packages, like iproute2, psmisc, sudo, curl and others, which are often again dependencies of other packages, like network stacks (ifupdown) and others, so that inexperienced users, following that statement, may break their systems network capabilities and more. This message has hence been removed. Signed-off-by: MichaIng <micha@dietpi.com>
224 lines
7.9 KiB
Bash
Executable File
224 lines
7.9 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] " yn
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case ${yn} in
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[Yy]* ) break;;
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[Nn]* ) echo -e "${OVER} ${COL_LIGHT_GREEN}Uninstall has been canceled${COL_NC}"; exit 0;;
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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} ${str}
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Script called with non-root privileges
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The Pi-hole requires elevated privileges to uninstall"
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exit 1
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fi
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fi
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readonly PI_HOLE_FILES_DIR="/etc/.pihole"
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PH_TEST="true"
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source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
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# setupVars set in basic-install.sh
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source "${setupVars}"
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# distro_check() sourced from basic-install.sh
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distro_check
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# Install packages used by the Pi-hole
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DEPS=("${INSTALLER_DEPS[@]}" "${PIHOLE_DEPS[@]}")
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if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
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# Install the Web dependencies
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DEPS+=("${PIHOLE_WEB_DEPS[@]}")
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fi
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# Compatibility
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if [ -x "$(command -v apt-get)" ]; then
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# Debian Family
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PKG_REMOVE=("${PKG_MANAGER}" -y remove --purge)
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package_check() {
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dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed"
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}
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elif [ -x "$(command -v rpm)" ]; then
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# Fedora Family
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PKG_REMOVE=("${PKG_MANAGER}" remove -y)
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package_check() {
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rpm -qa | grep "^$1-" > /dev/null
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}
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else
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echo -e " ${CROSS} OS distribution not supported"
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exit 1
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fi
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removeAndPurge() {
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# Purge dependencies
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echo ""
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for i in "${DEPS[@]}"; do
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if package_check "${i}" > /dev/null; then
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while true; do
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read -rp " ${QST} Do you wish to remove ${COL_WHITE}${i}${COL_NC} from your system? [Y/N] " yn
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case ${yn} in
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[Yy]* )
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echo -ne " ${INFO} Removing ${i}...";
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${SUDO} "${PKG_REMOVE[@]}" "${i}" &> /dev/null;
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echo -e "${OVER} ${INFO} Removed ${i}";
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break;;
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[Nn]* ) echo -e " ${INFO} Skipped ${i}"; break;;
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esac
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done
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else
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echo -e " ${INFO} Package ${i} not installed"
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fi
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done
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# Remove dnsmasq config files
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${SUDO} rm -f /etc/dnsmasq.conf /etc/dnsmasq.conf.orig /etc/dnsmasq.d/*-pihole*.conf &> /dev/null
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echo -e " ${TICK} Removing dnsmasq config files"
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# Call removeNoPurge to remove Pi-hole specific files
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removeNoPurge
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}
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removeNoPurge() {
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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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${SUDO} rm -rf /var/www/html/pihole &> /dev/null
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${SUDO} rm -f /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 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 " ${TICK} Removed /etc/cron.d/pihole"
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fi
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if package_check lighttpd > /dev/null; then
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if [[ -f /etc/lighttpd/lighttpd.conf.orig ]]; then
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${SUDO} mv /etc/lighttpd/lighttpd.conf.orig /etc/lighttpd/lighttpd.conf
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fi
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if [[ -f /etc/lighttpd/external.conf ]]; then
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${SUDO} rm /etc/lighttpd/external.conf
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fi
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echo -e " ${TICK} Removed lighttpd configs"
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fi
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${SUDO} rm -f /etc/dnsmasq.d/adList.conf &> /dev/null
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${SUDO} rm -f /etc/dnsmasq.d/01-pihole.conf &> /dev/null
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${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 -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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${SUDO} rm -f /etc/init.d/pihole-FTL
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${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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${COL_LIGHT_RED}Please reset the DNS on your router/clients to restore internet connectivity
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${COL_LIGHT_GREEN}Uninstallation Complete! ${COL_NC}"
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}
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######### SCRIPT ###########
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echo -e " ${INFO} Be sure to confirm if any dependencies should not be removed"
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while true; do
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echo -e " ${INFO} ${COL_YELLOW}The following dependencies may have been added by the Pi-hole install:"
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echo -n " "
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for i in "${DEPS[@]}"; do
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echo -n "${i} "
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done
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echo "${COL_NC}"
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read -rp " ${QST} Do you wish to go through each dependency for removal? (Choosing No will leave all dependencies installed) [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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* ) removeAndPurge; break;;
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esac
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done
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