mirror of
https://github.com/hackacad/bastille.git
synced 2025-12-22 18:21:53 +01:00
234 lines
11 KiB
Bash
234 lines
11 KiB
Bash
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2018-2024, Christer Edwards <christer.edwards@gmail.com>
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright notice, this
|
|
# list of conditions and the following disclaimer.
|
|
#
|
|
# * Redistributions in binary form must reproduce the above copyright notice,
|
|
# this list of conditions and the following disclaimer in the documentation
|
|
# and/or other materials provided with the distribution.
|
|
#
|
|
# * Neither the name of the copyright holder nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
. /usr/local/share/bastille/common.sh
|
|
. /usr/local/etc/bastille/bastille.conf
|
|
|
|
usage() {
|
|
error_exit "Usage: bastille clone TARGET NEW_NAME IPADDRESS"
|
|
}
|
|
|
|
# Handle special-case commands first
|
|
case "$1" in
|
|
help|-h|--help)
|
|
usage
|
|
;;
|
|
esac
|
|
|
|
if [ $# -ne 2 ]; then
|
|
usage
|
|
fi
|
|
|
|
bastille_root_check
|
|
|
|
NEWNAME="${1}"
|
|
IP="${2}"
|
|
|
|
validate_ip() {
|
|
IPX_ADDR="ip4.addr"
|
|
IP6_MODE="disable"
|
|
ip6=$(echo "${IP}" | grep -E '^(([a-fA-F0-9:]+$)|([a-fA-F0-9:]+\/[0-9]{1,3}$))')
|
|
if [ -n "${ip6}" ]; then
|
|
info "Valid: (${ip6})."
|
|
IPX_ADDR="ip6.addr"
|
|
# shellcheck disable=SC2034
|
|
IP6_MODE="new"
|
|
else
|
|
local IFS
|
|
if echo "${IP}" | grep -Eq '^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/([0-9]|[1-2][0-9]|3[0-2]))?$'; then
|
|
TEST_IP=$(echo "${IP}" | cut -d / -f1)
|
|
IFS=.
|
|
set ${TEST_IP}
|
|
for quad in 1 2 3 4; do
|
|
if eval [ \$$quad -gt 255 ]; then
|
|
error_exit "Invalid: (${TEST_IP})"
|
|
fi
|
|
done
|
|
if ifconfig | grep -qwF "${TEST_IP}"; then
|
|
warn "Warning: IP address already in use (${TEST_IP})."
|
|
else
|
|
info "Valid: (${IP})."
|
|
fi
|
|
else
|
|
error_exit "Invalid: (${IP})."
|
|
fi
|
|
fi
|
|
}
|
|
|
|
update_jailconf() {
|
|
# Update jail.conf
|
|
JAIL_CONFIG="${bastille_jailsdir}/${NEWNAME}/jail.conf"
|
|
if [ -f "${JAIL_CONFIG}" ]; then
|
|
if ! grep -qw "path = ${bastille_jailsdir}/${NEWNAME}/root;" "${JAIL_CONFIG}"; then
|
|
sed -i '' "s|host.hostname = ${TARGET};|host.hostname = ${NEWNAME};|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|exec.consolelog = .*;|exec.consolelog = ${bastille_logsdir}/${NEWNAME}_console.log;|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|path = .*;|path = ${bastille_jailsdir}/${NEWNAME}/root;|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|mount.fstab = .*;|mount.fstab = ${bastille_jailsdir}/${NEWNAME}/fstab;|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|${TARGET} {|${NEWNAME} {|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|${IPX_ADDR} = .*;|${IPX_ADDR} = ${IP};|" "${JAIL_CONFIG}"
|
|
fi
|
|
fi
|
|
|
|
if grep -qw "vnet;" "${JAIL_CONFIG}"; then
|
|
update_jailconf_vnet
|
|
fi
|
|
}
|
|
|
|
update_jailconf_vnet() {
|
|
bastille_jail_rc_conf="${bastille_jailsdir}/${NEWNAME}/root/etc/rc.conf"
|
|
# Determine number of interfaces and define a uniq_epair
|
|
local _if_list="$(grep -Eo 'epair[0-9]+|bastille[0-9]+' ${JAIL_CONFIG} | sort -u)"
|
|
for _if in ${_if_list}; do
|
|
local _if_count="$(grep -Eo 'epair[0-9]+|bastille[0-9]+' ${bastille_jailsdir}/*/jail.conf 2>/dev/null | sort -u | wc -l | awk '{print $1}')"
|
|
local num_range=$((_if_count + 1))
|
|
for _num in $(seq 0 "${num_range}"); do
|
|
if ! grep -Eoq "epair${_num}|bastille${_num}" ${bastille_jailsdir}/*/jail.conf; then
|
|
local uniq_epair="bastille${_num}"
|
|
local uniq_epair_bridge="${_num}"
|
|
# since we don't have access to the external_interface variable, we cat the jail.conf file to retrieve the mac prefix
|
|
# we also do not use the main generate_static_mac function here
|
|
local macaddr_prefix="$(cat ${JAIL_CONFIG} | grep ${_if} | grep -m 1 ether | grep -oE '([0-9a-f]{2}(:[0-9a-f]{2}){5})' | awk -F: '{print $1":"$2":"$3}')"
|
|
local macaddr_suffix="$(echo -n ${NEWNAME} | sha256 | cut -b -5 | sed 's/\([0-9a-fA-F][0-9a-fA-F]\)\([0-9a-fA-F][0-9a-fA-F]\)\([0-9a-fA-F]\)/\1:\2:\3/')"
|
|
local macaddr="${macaddr_prefix}:${macaddr_suffix}"
|
|
# Update the exec.* with uniq_epair when cloning jails.
|
|
# for VNET interfaces
|
|
if echo ${_if} 2>/dev/null | grep -Eoq 'bastille[0-9]+'; then
|
|
local _if_vnet="$(grep ${_if} "${bastille_jail_rc_conf}" | grep -Eo "vnet[0-9]+")"
|
|
sed -i '' "s|${_if}|${uniq_epair}|g" "${JAIL_CONFIG}"
|
|
sed -i '' "s|${uniq_epair} ether.*:.*:.*:.*:.*:.*a\";|${uniq_epair} ether ${macaddr}a\";|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|${uniq_epair} ether.*:.*:.*:.*:.*:.*b\";|${uniq_epair} ether ${macaddr}b\";|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|exec.prestart += \"ifconfig.*${uniq_epair}.*description.*|exec.prestart += \"ifconfig e0a_${uniq_epair} description \\\\\"vnet host interface for Bastille jail ${NEWNAME}\\\\\"\";|" "${JAIL_CONFIG}"
|
|
# Update /etc/rc.conf
|
|
sed -i '' "s|ifconfig_e0b_${_if}_name|ifconfig_e0b_${uniq_epair}_name|" "${bastille_jail_rc_conf}"
|
|
if grep "vnet0" "${bastille_jail_rc_conf}" | grep -q ${uniq_epair}; then
|
|
if [ "${IP}" = "0.0.0.0" ]; then
|
|
sysrc -f "${bastille_jail_rc_conf}" ifconfig_vnet0="SYNCDHCP"
|
|
else
|
|
sysrc -f "${bastille_jail_rc_conf}" ifconfig_vnet0=" inet ${IP} "
|
|
fi
|
|
else
|
|
sysrc -f "${bastille_jail_rc_conf}" ifconfig_${_if_vnet}="SYNCDHCP"
|
|
fi
|
|
# for bridged VNET interfaces
|
|
elif echo ${_if} 2>/dev/null | grep -Eoq 'epair[0-9]+'; then
|
|
local _if_epaira="$(grep "${_if}" ${JAIL_CONFIG} | grep -Eo "e[0-9]+a_${TARGET}")"
|
|
local _if_epairb="$(grep "${_if}" ${JAIL_CONFIG} | grep -Eo "e[0-9]+b_${TARGET}")"
|
|
local _if_vnet="$(grep ${_if_epairb} "${bastille_jail_rc_conf}" | grep -Eo "vnet[0-9]+")"
|
|
sed -i '' "s|${_if}|epair${uniq_epair_bridge}|g" "${JAIL_CONFIG}"
|
|
sed -i '' "s|${_if_epaira}|e${uniq_epair_bridge}a_${NEWNAME}|g" "${JAIL_CONFIG}"
|
|
sed -i '' "s|${_if_epairb}|e${uniq_epair_bridge}b_${NEWNAME}|g" "${JAIL_CONFIG}"
|
|
sed -i '' "s|e${uniq_epair}a_${TARGET} ether.*:.*:.*:.*:.*:.*a\";|e${uniq_epair}a_${NEWNAME} ether ${macaddr}a\";|" "${JAIL_CONFIG}"
|
|
sed -i '' "s|e${uniq_epair}b_${TARGET} ether.*:.*:.*:.*:.*:.*b\";|e${uniq_epair}b_${NEWNAME} ether ${macaddr}b\";|" "${JAIL_CONFIG}"
|
|
# Update /etc/rc.conf
|
|
sed -i '' "s|${_if_epairb}_name|e${uniq_epair_bridge}b_${NEWNAME}_name|" "${bastille_jail_rc_conf}"
|
|
if grep "vnet0" "${bastille_jail_rc_conf}" | grep -q "e${uniq_epair_bridge}b_${NEWNAME}_name"; then
|
|
if [ "${IP}" = "0.0.0.0" ]; then
|
|
sysrc -f "${bastille_jail_rc_conf}" ifconfig_vnet0="SYNCDHCP"
|
|
else
|
|
sysrc -f "${bastille_jail_rc_conf}" ifconfig_vnet0="inet ${IP}"
|
|
fi
|
|
else
|
|
sysrc -f "${bastille_jail_rc_conf}" ifconfig_${_if_vnet}="SYNCDHCP"
|
|
fi
|
|
fi
|
|
break
|
|
fi
|
|
done
|
|
done
|
|
}
|
|
|
|
update_fstab() {
|
|
# Update fstab to use the new name
|
|
FSTAB_CONFIG="${bastille_jailsdir}/${NEWNAME}/fstab"
|
|
if [ -f "${FSTAB_CONFIG}" ]; then
|
|
# Update additional fstab paths with new jail path
|
|
sed -i '' "s|${bastille_jailsdir}/${TARGET}/root/|${bastille_jailsdir}/${NEWNAME}/root/|" "${FSTAB_CONFIG}"
|
|
fi
|
|
}
|
|
|
|
clone_jail() {
|
|
# Attempt container clone
|
|
info "Attempting to clone '${TARGET}' to ${NEWNAME}..."
|
|
if ! [ -d "${bastille_jailsdir}/${NEWNAME}" ]; then
|
|
if checkyesno bastille_zfs_enable; then
|
|
if [ -n "${bastille_zfs_zpool}" ]; then
|
|
# Replicate the existing container
|
|
DATE=$(date +%F-%H%M%S)
|
|
zfs snapshot -r "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET}@bastille_clone_${DATE}"
|
|
zfs send -R "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET}@bastille_clone_${DATE}" | zfs recv "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${NEWNAME}"
|
|
|
|
# Cleanup source temporary snapshots
|
|
zfs destroy "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET}/root@bastille_clone_${DATE}"
|
|
zfs destroy "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET}@bastille_clone_${DATE}"
|
|
|
|
# Cleanup target temporary snapshots
|
|
zfs destroy "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${NEWNAME}/root@bastille_clone_${DATE}"
|
|
zfs destroy "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${NEWNAME}@bastille_clone_${DATE}"
|
|
fi
|
|
else
|
|
# Just clone the jail directory
|
|
# Check if container is running
|
|
if [ -n "$(/usr/sbin/jls name | awk "/^${TARGET}$/")" ]; then
|
|
error_exit "${TARGET} is running. See 'bastille stop ${TARGET}'."
|
|
fi
|
|
|
|
# Perform container file copy(archive mode)
|
|
cp -a "${bastille_jailsdir}/${TARGET}" "${bastille_jailsdir}/${NEWNAME}"
|
|
fi
|
|
else
|
|
error_exit "${NEWNAME} already exists."
|
|
fi
|
|
|
|
# Generate jail configuration files
|
|
update_jailconf
|
|
update_fstab
|
|
|
|
# Display the exist status
|
|
if [ "$?" -ne 0 ]; then
|
|
error_exit "An error has occurred while attempting to clone '${TARGET}'."
|
|
else
|
|
info "Cloned '${TARGET}' to '${NEWNAME}' successfully."
|
|
fi
|
|
}
|
|
|
|
## don't allow for dots(.) in container names
|
|
if echo "${NEWNAME}" | grep -q "[.]"; then
|
|
error_exit "Container names may not contain a dot(.)!"
|
|
fi
|
|
|
|
## check if ip address is valid
|
|
if [ -n "${IP}" ]; then
|
|
validate_ip
|
|
else
|
|
usage
|
|
fi
|
|
|
|
clone_jail
|