| Path : /opt/pihole/ |
|
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| Current File : //opt/pihole/uninstall.sh |
#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
# Network-wide ad blocking via your own hardware.
#
# Completely uninstalls Pi-hole
#
# This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license.
source "/opt/pihole/COL_TABLE"
while true; do
read -rp " ${QST} Are you sure you would like to remove ${COL_WHITE}Pi-hole${COL_NC}? [y/N] " answer
case ${answer} in
[Yy]* ) break;;
* ) echo -e "${OVER} ${COL_LIGHT_GREEN}Uninstall has been canceled${COL_NC}"; exit 0;;
esac
done
# Must be root to uninstall
str="Root user check"
if [[ ${EUID} -eq 0 ]]; then
echo -e " ${TICK} ${str}"
else
# Check if sudo is actually installed
# If it isn't, exit because the uninstall can not complete
if [ -x "$(command -v sudo)" ]; then
export SUDO="sudo"
else
echo -e " ${CROSS} ${str}
Script called with non-root privileges
The Pi-hole requires elevated privileges to uninstall"
exit 1
fi
fi
readonly PI_HOLE_FILES_DIR="/etc/.pihole"
SKIP_INSTALL="true"
source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
# setupVars set in basic-install.sh
source "${setupVars}"
# package_manager_detect() sourced from basic-install.sh
package_manager_detect
# Uninstall packages used by the Pi-hole
DEPS=("${INSTALLER_DEPS[@]}" "${PIHOLE_DEPS[@]}" "${OS_CHECK_DEPS[@]}")
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
# Install the Web dependencies
DEPS+=("${PIHOLE_WEB_DEPS[@]}")
fi
# Compatibility
if [ -x "$(command -v apt-get)" ]; then
# Debian Family
PKG_REMOVE=("${PKG_MANAGER}" -y remove --purge)
package_check() {
dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed"
}
elif [ -x "$(command -v rpm)" ]; then
# Fedora Family
PKG_REMOVE=("${PKG_MANAGER}" remove -y)
package_check() {
rpm -qa | grep "^$1-" > /dev/null
}
else
echo -e " ${CROSS} OS distribution not supported"
exit 1
fi
removeAndPurge() {
# Purge dependencies
echo ""
for i in "${DEPS[@]}"; do
if package_check "${i}" > /dev/null; then
while true; do
read -rp " ${QST} Do you wish to remove ${COL_WHITE}${i}${COL_NC} from your system? [Y/N] " answer
case ${answer} in
[Yy]* )
echo -ne " ${INFO} Removing ${i}...";
${SUDO} "${PKG_REMOVE[@]}" "${i}" &> /dev/null;
echo -e "${OVER} ${INFO} Removed ${i}";
break;;
[Nn]* ) echo -e " ${INFO} Skipped ${i}"; break;;
esac
done
else
echo -e " ${INFO} Package ${i} not installed"
fi
done
# Remove dnsmasq config files
${SUDO} rm -f /etc/dnsmasq.conf /etc/dnsmasq.conf.orig /etc/dnsmasq.d/*-pihole*.conf &> /dev/null
echo -e " ${TICK} Removing dnsmasq config files"
# Call removeNoPurge to remove Pi-hole specific files
removeNoPurge
}
removeNoPurge() {
# Only web directories/files that are created by Pi-hole should be removed
echo -ne " ${INFO} Removing Web Interface..."
${SUDO} rm -rf /var/www/html/admin &> /dev/null
${SUDO} rm -rf /var/www/html/pihole &> /dev/null
${SUDO} rm -f /var/www/html/index.lighttpd.orig &> /dev/null
# If the web directory is empty after removing these files, then the parent html directory can be removed.
if [ -d "/var/www/html" ]; then
if [[ ! "$(ls -A /var/www/html)" ]]; then
${SUDO} rm -rf /var/www/html &> /dev/null
fi
fi
echo -e "${OVER} ${TICK} Removed Web Interface"
# 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
${SUDO} mv /etc/crontab /etc/crontab.pihole
${SUDO} mv /etc/crontab.orig /etc/crontab
${SUDO} service cron restart
echo -e " ${TICK} Restored the default system cron"
fi
# Attempt to preserve backwards compatibility with older versions
if [[ -f /etc/cron.d/pihole ]];then
${SUDO} rm -f /etc/cron.d/pihole &> /dev/null
echo -e " ${TICK} Removed /etc/cron.d/pihole"
fi
if package_check lighttpd > /dev/null; then
# Attempt to preserve backwards compatibility with older versions
if [[ -f /etc/lighttpd/lighttpd.conf.orig ]]; then
${SUDO} mv /etc/lighttpd/lighttpd.conf.orig /etc/lighttpd/lighttpd.conf
fi
if [[ -f /etc/lighttpd/external.conf ]]; then
${SUDO} rm /etc/lighttpd/external.conf
fi
# Fedora-based
if [[ -f /etc/lighttpd/conf.d/pihole-admin.conf ]]; then
${SUDO} rm /etc/lighttpd/conf.d/pihole-admin.conf
conf=/etc/lighttpd/lighttpd.conf
tconf=/tmp/lighttpd.conf.$$
if awk '!/^include "\/etc\/lighttpd\/conf\.d\/pihole-admin\.conf"$/{print}' \
$conf > $tconf && mv $tconf $conf; then
:
else
rm $tconf
fi
${SUDO} chown root:root $conf
${SUDO} chmod 644 $conf
fi
# Debian-based
if [[ -f /etc/lighttpd/conf-available/pihole-admin.conf ]]; then
if is_command lighty-disable-mod ; then
${SUDO} lighty-disable-mod pihole-admin > /dev/null || true
fi
${SUDO} rm /etc/lighttpd/conf-available/15-pihole-admin.conf
fi
echo -e " ${TICK} Removed lighttpd configs"
fi
${SUDO} rm -f /etc/dnsmasq.d/adList.conf &> /dev/null
${SUDO} rm -f /etc/dnsmasq.d/01-pihole.conf &> /dev/null
${SUDO} rm -f /etc/dnsmasq.d/06-rfc6761.conf &> /dev/null
${SUDO} rm -rf /var/log/*pihole* &> /dev/null
${SUDO} rm -rf /var/log/pihole/*pihole* &> /dev/null
${SUDO} rm -rf /etc/pihole/ &> /dev/null
${SUDO} rm -rf /etc/.pihole/ &> /dev/null
${SUDO} rm -rf /opt/pihole/ &> /dev/null
${SUDO} rm -f /usr/local/bin/pihole &> /dev/null
${SUDO} rm -f /etc/bash_completion.d/pihole &> /dev/null
${SUDO} rm -f /etc/sudoers.d/pihole &> /dev/null
echo -e " ${TICK} Removed config files"
# Restore Resolved
if [[ -e /etc/systemd/resolved.conf.orig ]]; then
${SUDO} cp -p /etc/systemd/resolved.conf.orig /etc/systemd/resolved.conf
systemctl reload-or-restart systemd-resolved
fi
# Remove FTL
if command -v pihole-FTL &> /dev/null; then
echo -ne " ${INFO} Removing pihole-FTL..."
if [[ -x "$(command -v systemctl)" ]]; then
systemctl stop pihole-FTL
else
service pihole-FTL stop
fi
${SUDO} rm -f /etc/systemd/system/pihole-FTL.service
if [[ -d '/etc/systemd/system/pihole-FTL.service.d' ]]; then
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
case $answer in
[yY]*)
echo -ne " ${INFO} Removing /etc/systemd/system/pihole-FTL.service.d..."
${SUDO} rm -R /etc/systemd/system/pihole-FTL.service.d
echo -e "${OVER} ${INFO} Removed /etc/systemd/system/pihole-FTL.service.d"
;;
*) echo -e " ${INFO} Leaving /etc/systemd/system/pihole-FTL.service.d in place.";;
esac
fi
${SUDO} rm -f /etc/init.d/pihole-FTL
${SUDO} rm -f /usr/bin/pihole-FTL
echo -e "${OVER} ${TICK} Removed pihole-FTL"
fi
# If the pihole manpage exists, then delete and rebuild man-db
if [[ -f /usr/local/share/man/man8/pihole.8 ]]; then
${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
${SUDO} mandb -q &>/dev/null
echo -e " ${TICK} Removed pihole man page"
fi
# If the pihole user exists, then remove
if id "pihole" &> /dev/null; then
if ${SUDO} userdel -r pihole 2> /dev/null; then
echo -e " ${TICK} Removed 'pihole' user"
else
echo -e " ${CROSS} Unable to remove 'pihole' user"
fi
fi
# If the pihole group exists, then remove
if getent group "pihole" &> /dev/null; then
if ${SUDO} groupdel pihole 2> /dev/null; then
echo -e " ${TICK} Removed 'pihole' group"
else
echo -e " ${CROSS} Unable to remove 'pihole' group"
fi
fi
echo -e "\\n We're sorry to see you go, but thanks for checking out Pi-hole!
If you need help, reach out to us on GitHub, Discourse, Reddit or Twitter
Reinstall at any time: ${COL_WHITE}curl -sSL https://install.pi-hole.net | bash${COL_NC}
${COL_LIGHT_RED}Please reset the DNS on your router/clients to restore internet connectivity
${COL_LIGHT_GREEN}Uninstallation Complete! ${COL_NC}"
}
######### SCRIPT ###########
echo -e " ${INFO} Be sure to confirm if any dependencies should not be removed"
while true; do
echo -e " ${INFO} ${COL_YELLOW}The following dependencies may have been added by the Pi-hole install:"
echo -n " "
for i in "${DEPS[@]}"; do
echo -n "${i} "
done
echo "${COL_NC}"
read -rp " ${QST} Do you wish to go through each dependency for removal? (Choosing No will leave all dependencies installed) [Y/n] " answer
case ${answer} in
[Yy]* ) removeAndPurge; break;;
[Nn]* ) removeNoPurge; break;;
* ) removeAndPurge; break;;
esac
done