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https://github.com/joglomedia/LEMPer.git
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93 lines
2.9 KiB
Bash
Executable File
93 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# fail2ban Uninstaller
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# Min. Requirement : GNU/Linux Ubuntu 16.04
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# Last Build : 05/06/2021
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# Author : MasEDI.Net (me@masedi.net)
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# Since Version : 2.1.0
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# Include helper functions.
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if [ "$(type -t run)" != "function" ]; then
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BASEDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )
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# shellchechk source=scripts/helper.sh
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# shellcheck disable=SC1090
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. "${BASEDIR}/helper.sh"
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fi
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# Make sure only root can run this installer script.
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requires_root
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function init_fail2ban_removal() {
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# Stop fail2ban process.
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if [[ $(pgrep -c fail2ban-server) -gt 0 ]]; then
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run systemctl stop fail2ban
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fi
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if dpkg-query -l | awk '/fail2ban/ { print $2 }' | grep -qwE "^fail2ban$"; then
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echo "Found fail2ban package installation. Removing..."
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run apt remove --purge -qq -y fail2ban
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else
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echo "Fail2ban package not found, possibly installed from source."
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run rm -f /usr/local/bin/fail2ban-*
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fi
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run dpkg --purge fail2ban
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[ -f /etc/systemd/system/multi-user.target.wants/fail2ban.service ] && \
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run unlink /etc/systemd/system/multi-user.target.wants/fail2ban.service
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[ -f /lib/systemd/system/fail2ban.service ] && \
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run rm /lib/systemd/system/fail2ban.service
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# Remove fail2ban config files.
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warning "!! This action is not reversible !!"
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if "${AUTO_REMOVE}"; then
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if [[ ${FORCE_REMOVE} == true ]]; then
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REMOVE_FAIL2BAN_CONFIG="y"
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else
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REMOVE_FAIL2BAN_CONFIG="n"
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fi
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else
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while [[ "${REMOVE_FAIL2BAN_CONFIG}" != "y" && "${REMOVE_FAIL2BAN_CONFIG}" != "n" ]]; do
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read -rp "Remove fail2ban configuration files? [y/n]: " -e REMOVE_FAIL2BAN_CONFIG
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done
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fi
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if [[ "${REMOVE_FAIL2BAN_CONFIG}" == Y* || "${REMOVE_FAIL2BAN_CONFIG}" == y* ]]; then
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[ -d /etc/fail2ban/ ] && run rm -fr /etc/fail2ban/
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echo "All your fail2ban configuration files deleted permanently."
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fi
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# Final test.
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if "${DRYRUN}"; then
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info "Fail2ban server removed in dryrun mode."
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else
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if [[ -z $(command -v fail2ban-server) ]]; then
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success "Fail2ban server removed succesfully."
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else
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info "Unable to remove fail2ban server."
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fi
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fi
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}
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echo "Uninstalling fail2ban server..."
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if [[ -n $(command -v fail2ban-server) ]]; then
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if "${AUTO_REMOVE}"; then
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REMOVE_FAIL2BAN="y"
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else
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while [[ "${REMOVE_FAIL2BAN}" != "y" && "${REMOVE_FAIL2BAN}" != "n" ]]; do
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read -rp "Are you sure to remove fail2ban? [y/n]: " -e REMOVE_FAIL2BAN
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done
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fi
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if [[ "${REMOVE_FAIL2BAN}" == Y* || "${REMOVE_FAIL2BAN}" == y* ]]; then
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init_fail2ban_removal "$@"
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else
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echo "Found fail2ban server, but not removed."
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fi
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else
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info "Oops, fail2ban installation not found."
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fi
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