mirror of
https://github.com/hackacad/bastille.git
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rename: Allow if=name
This commit is contained in:
tschettervictor
GitHub
@@ -1,8 +1,6 @@
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#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# Copyright (c) 2018-2025, Christer Edwards <christer.edwards@gmail.com>
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# Copyright (c) 2018-2024, Christer Edwards <christer.edwards@gmail.com>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@@ -34,11 +32,62 @@
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. /usr/local/etc/bastille/bastille.conf
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usage() {
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error_exit "Usage: bastille rename TARGET NEW_NAME"
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error_notify "Usage: bastille rename [option(s)] TARGET NEW_NAME"
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cat << EOF
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Options:
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-a | --auto Auto mode. Start/stop jail(s) if required.
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-x | --debug Enable debug mode.
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EOF
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exit 1
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}
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# Handle options.
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AUTO=0
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while [ "$#" -gt 0 ]; do
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case "${1}" in
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-h|--help|help)
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usage
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;;
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-a|--auto)
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AUTO=1
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shift
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;;
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-*)
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for _opt in $(echo ${1} | sed 's/-//g' | fold -w1); do
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case ${_opt} in
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a) AUTO=1 ;;
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x) enable_debug ;;
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*) error_exit "Unknown Option: \"${1}\""
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esac
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done
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shift
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;;
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*)
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break
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;;
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esac
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done
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if [ "$#" -ne 2 ]; then
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usage
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fi
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TARGET="${1}"
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NEWNAME="${2}"
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bastille_root_check
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set_target_single "${TARGET}"
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check_target_is_stopped "${TARGET}" || if [ "${AUTO}" -eq 1 ]; then
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bastille stop "${TARGET}"
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else
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error_notify "Jail is running."
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error_exit "Use [-a|--auto] to auto-stop the jail."
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fi
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validate_name() {
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local NAME_VERIFY=${NEWNAME}
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local NAME_VERIFY="${NEWNAME}"
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local NAME_SANITY="$(echo "${NAME_VERIFY}" | tr -c -d 'a-zA-Z0-9-_')"
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if [ -n "$(echo "${NAME_SANITY}" | awk "/^[-_].*$/" )" ]; then
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error_exit "Container names may not begin with (-|_) characters!"
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@@ -47,44 +96,64 @@ validate_name() {
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fi
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}
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# Handle special-case commands first
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case "$1" in
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help|-h|--help)
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usage
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;;
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esac
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if [ $# -ne 1 ]; then
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usage
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fi
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bastille_root_check
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NEWNAME="${1}"
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update_jailconf() {
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# Update jail.conf
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JAIL_CONFIG="${bastille_jailsdir}/${NEWNAME}/jail.conf"
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if [ -f "${JAIL_CONFIG}" ]; then
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if ! grep -qw "path = ${bastille_jailsdir}/${NEWNAME}/root;" "${JAIL_CONFIG}"; then
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sed -i '' "s|host.hostname.*=.*${TARGET};|host.hostname = ${NEWNAME};|" "${JAIL_CONFIG}"
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sed -i '' "s|exec.consolelog.*=.*;|exec.consolelog = ${bastille_logsdir}/${NEWNAME}_console.log;|" "${JAIL_CONFIG}"
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sed -i '' "s|path.*=.*;|path = ${bastille_jailsdir}/${NEWNAME}/root;|" "${JAIL_CONFIG}"
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sed -i '' "s|mount.fstab.*=.*;|mount.fstab = ${bastille_jailsdir}/${NEWNAME}/fstab;|" "${JAIL_CONFIG}"
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sed -i '' "s|${TARGET}.*{|${NEWNAME} {|" "${JAIL_CONFIG}"
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# Rename vnet interface
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sed -i '' "/vnet.interface/s|_${TARGET}\";|_${NEWNAME}\";|" "${JAIL_CONFIG}"
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sed -i '' "/ifconfig/s|_${TARGET}|_${NEWNAME}|" "${JAIL_CONFIG}"
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local _jail_conf="${bastille_jailsdir}/${NEWNAME}/jail.conf"
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local _rc_conf="${bastille_jailsdir}/${NEWNAME}/root/etc/rc.conf"
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if [ -f "${_jail_conf}" ]; then
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if ! grep -qw "path = ${bastille_jailsdir}/${NEWNAME}/root;" "${_jail_conf}"; then
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sed -i '' "s|host.hostname.*=.*${TARGET};|host.hostname = ${NEWNAME};|" "${_jail_conf}"
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sed -i '' "s|exec.consolelog.*=.*;|exec.consolelog = ${bastille_logsdir}/${NEWNAME}_console.log;|" "${_jail_conf}"
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sed -i '' "s|path.*=.*;|path = ${bastille_jailsdir}/${NEWNAME}/root;|" "${_jail_conf}"
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sed -i '' "s|mount.fstab.*=.*;|mount.fstab = ${bastille_jailsdir}/${NEWNAME}/fstab;|" "${_jail_conf}"
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sed -i '' "s|${TARGET}.*{|${NEWNAME} {|" "${_jail_conf}"
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fi
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if grep -qo "vnet;" "${_jail_conf}"; then
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update_jailconf_vnet
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fi
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fi
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}
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update_fstab() {
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# Update fstab to use the new name
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FSTAB_CONFIG="${bastille_jailsdir}/${NEWNAME}/fstab"
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if [ -f "${FSTAB_CONFIG}" ]; then
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sed -i '' "s|${bastille_jailsdir}/${TARGET}|${bastille_jailsdir}/${NEWNAME}|g" "${FSTAB_CONFIG}"
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fi
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update_jailconf_vnet() {
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local _jail_conf="${bastille_jailsdir}/${NEWNAME}/jail.conf"
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local _rc_conf="${bastille_jailsdir}/${NEWNAME}/root/etc/rc.conf"
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# Change epair name (if needed)
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local _if_list="$(grep -Eo 'epair[0-9]+|bastille[0-9]+' ${_jail_conf} | sort -u)"
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for _if in ${_if_list}; do
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if echo ${_if} | grep -Eoq 'epair[0-9]+'; then
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# Check if epair name = jail name
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local _epair_num="$(grep -Eo -m 1 "epair[0-9]+" "${_jail_conf}" | grep -Eo "[0-9]+")"
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if grep -E "epair[0-9]+a" "${_jail_conf}" | grep -Eo "e[0-9]+a_${TARGET}"; then
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local _target_host_epair="$(grep -Eo -m 1 "e[0-9]+a_${TARGET}" "${_jail_conf}")"
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local _target_jail_epair="$(grep -Eo -m 1 "e[0-9]+b_${TARGET}" "${_jail_conf}")"
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else
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local _target_host_epair="$(grep -Eo -m 1 "epair[0-9]+a" "${_jail_conf}")"
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local _target_jail_epair="$(grep -Eo -m 1 "epair[0-9]+b" "${_jail_conf}")"
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fi
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if [ "$(echo -n "e${_epair_num}a_${NEWNAME}" | awk '{print length}')" -lt 16 ]; then
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# Generate new epair name
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local _new_host_epair="e${_epair_num}a_${NEWNAME}"
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local _new_jail_epair="e${_epair_num}b_${NEWNAME}"
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else
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local _new_host_epair="epair${_epair_num}a"
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local _new_jail_epair="epair${_epair_num}b"
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fi
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# Replace host epair name in jail.conf
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sed -i '' "s|up name ${_target_host_epair}|up name ${_new_host_epair}|g" "${_jail_conf}"
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sed -i '' "s|${_target_host_epair} ether|${_new_host_epair} ether|g" "${_jail_conf}"
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sed -i '' "s|deletem ${_target_host_epair}|deletem ${_new_host_epair}|g" "${_jail_conf}"
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sed -i '' "s|${_target_host_epair} destroy|${_new_host_epair} destroy|g" "${_jail_conf}"
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sed -i '' "s|${_target_host_epair} description|${_new_host_epair} description|g" "${_jail_conf}"
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# Replace jail epair name in jail.conf
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sed -i '' "s|= ${_target_jail_epair};|= ${_new_jail_epair};|g" "${_jail_conf}"
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sed -i '' "s|up name ${_target_jail_epair}|up name ${_new_jail_epair}|g" "${_jail_conf}"
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sed -i '' "s|${_target_jail_epair} ether|${_new_jail_epair} ether|g" "${_jail_conf}"
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# Replace epair description
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sed -i '' "s|vnet host interface for Bastille jail ${TARGET}|vnet host interface for Bastille jail ${NEWNAME}|g" "${_jail_conf}"
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# Replace epair name in /etc/rc.conf
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sed -i '' "/ifconfig/ s|${_target_jail_epair}|${_new_jail_epair}|g" "${_rc_conf}"
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fi
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done
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}
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change_name() {
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@@ -124,24 +193,27 @@ change_name() {
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fi
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fi
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# Update jail configuration files accordingly
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# Update jail conf files
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update_jailconf
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update_fstab
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update_fstab "${TARGET}" "${NEWNAME}"
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# Check exit status and notify
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if [ "$?" -ne 0 ]; then
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error_exit "An error has occurred while attempting to rename '${TARGET}'."
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else
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info "Renamed '${TARGET}' to '${NEWNAME}' successfully."
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if [ "${AUTO}" -eq 1 ]; then
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bastille start "${NEWNAME}"
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fi
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fi
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}
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## validate jail name
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# Validate NEW_NAME
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if [ -n "${NEWNAME}" ]; then
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validate_name
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fi
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## check if a jail already exists with the new name
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# Check if a jail already exists with NEW_NAME
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if [ -d "${bastille_jailsdir}/${NEWNAME}" ]; then
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error_exit "Jail: ${NEWNAME} already exists."
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fi
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