Mirrors/hackacad
2
0
Fork 0
mirror of https://github.com/hackacad/bastille.git synced 2025-12-18 16:21:32 +01:00
Code Issues Packages Projects Releases Wiki Activity
Files
bb47671cf0522e23f6453fe02355a5adb73ed77a
hackacad/usr/local/share/bastille/clone.sh
tschettervictor bb47671cf0 half way point
2025-04-30 11:21:41 -06:00

454 lines
21 KiB
Bash
Raw Blame History

#!/bin/sh
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright (c) 2018-2025, 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
usage() {
error_notify "Usage: bastille clone [option(s)] TARGET NEWNAME IPADDRESS"
cat << EOF
Options:
-a | --auto Auto mode. Start/stop jail(s) if required. Cannot be used with [-l|--live].
-l | --live Clone a running jail. ZFS only. Jail must be running. Cannot be used with [-a|--auto].
-x | --debug Enable debug mode.
EOF
exit 1
}
# Handle options.
AUTO=0
LIVE=0
while [ "$#" -gt 0 ]; do
case "${1}" in
-h|--help|help)
usage
;;
-a|--auto)
AUTO=1
shift
;;
-l|--live)
if ! checkyesno bastille_zfs_enable; then
error_exit "[-l|--live] can only be used with ZFS."
else
LIVE=1
shift
fi
;;
-x|--debug)
enable_debug
shift
;;
-*)
for _opt in $(echo ${1} | sed 's/-//g' | fold -w1); do
case ${_opt} in
a) AUTO=1 ;;
l) LIVE=1 ;;
x) enable_debug ;;
*) error_exit "Unknown Option: \"${1}\""
esac
done
shift
;;
*)
break
;;
esac
done
if [ "${AUTO}" -eq 1 ] && [ "${LIVE}" -eq 1 ]; then
error_exit "[-a|--auto] cannot be used with [-l|--live]"
fi
if [ $# -ne 3 ]; then
usage
fi
TARGET="${1}"
NEWNAME="${2}"
IP="${3}"
bastille_root_check
set_target_single "${TARGET}"
## don't allow for dots(.) in container names
if echo "${NEWNAME}" | grep -q "[.]"; then
error_exit "Container names may not contain a dot(.)!"
fi
validate_ip() {
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})."
IP6_MODE="new"
elif { [ "${IP}" = "0.0.0.0" ] || [ "${IP}" = "DHCP" ]; } && [ "$(bastille config ${TARGET} get vnet)" = "enabled" ]; then
info "Valid: (${IP})."
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}"
fi
fi
if grep -qw "vnet;" "${JAIL_CONFIG}"; then
validate_netconf
update_jailconf_vnet
else
_ip4="$(bastille config ${TARGET} get ip4.addr | sed 's/,/ /g')"
_ip6="$(bastille config ${TARGET} get ip6.addr | sed 's/,/ /g')"
_interface="$(bastille config ${TARGET} get interface)"
# Remove old style interface naming in place of new if|ip style
if [ "${_interface}" != "not set" ]; then
sed -i '' "/.*interface = .*/d" "${JAIL_CONFIG}"
fi
# IP4
if [ "${_ip4}" != "not set" ]; then
for _ip in ${_ip4}; do
if echo ${_ip} | grep -q "|"; then
_ip="$(echo ${_ip} | awk -F"|" '{print $2}')"
fi
if [ "${_interface}" != "not set" ]; then
sed -i '' "s/.*ip4.addr = .*/ ip4.addr = ${_interface}|${IP};/" "${JAIL_CONFIG}"
else
sed -i '' "/ip4.addr = .*/ s/${_ip}/${IP}/" "${JAIL_CONFIG}"
fi
sed -i '' "/ip4.addr += .*/ s/${_ip}/127.0.0.1/" "${JAIL_CONFIG}"
done
fi
# IP6
if [ "${_ip6}" != "not set" ]; then
for _ip in ${_ip6}; do
if echo ${_ip} | grep -q "|"; then
_ip="$(echo ${_ip} | awk -F"|" '{print $2}')"
fi
if [ "${_interface}" != "not set" ]; then
sed -i '' "s/.*${_interface} = .*/ ip6.addr = ${_interface}|${IP};/" "${JAIL_CONFIG}"
else
sed -i '' "/ip6.addr = .*/ s/${_ip}/${IP}/" "${JAIL_CONFIG}"
fi
sed -i '' "/ip6.addr += .*/ s/${_ip}/127.0.0.1/" "${JAIL_CONFIG}"
sed -i '' "s/ip6 = .*/ip6 = ${IP6_MODE};/" "${JAIL_CONFIG}"
done
fi
fi
}
update_jailconf_vnet() {
local _jail_conf="${bastille_jailsdir}/${NEWNAME}/jail.conf"
local _rc_conf="${bastille_jailsdir}/${NEWNAME}/root/etc/rc.conf"
# Determine number of interfaces
if [ "${bastille_network_vnet_type}" = "if_bridge" ]; then
local _if_list="$(grep -Eo 'epair[0-9]+|e[0-9]+b_bastille[0-9]+' ${_jail_conf} | sort -u)"
elif [ "${bastille_network_vnet_type}" = "netgraph" ]; then
local _if_list="$(grep -Eo 'ng[0-9]+_bastille[0-9]+' ${_jail_conf} | sort -u)"
fi
for _if in ${_if_list}; do
# Get number of interfaces manged by Bastille
get_bastille_if_count
local _bastille_if_num_range=$((_bastille_if_count + 1))
# Update bridged VNET config
if echo ${_if} | grep -Eoq 'epair[0-9]+'; then
for _num in $(seq 0 "${_bastille_if_num_range}"); do
if ! echo "${_bastille_if_list}" | grep -oqswx "${_num}"; then
# Generate new epair name
if [ "$(echo -n "e${_num}a_${NEWNAME}" | awk '{print length}')" -lt 16 ]; then
local _new_host_epair="e${_num}a_${NEWNAME}"
local _new_jail_epair="e${_num}b_${NEWNAME}"
else
local _new_host_epair="epair${_num}a"
local _new_jail_epair="epair${_num}b"
fi
# Get epair name from TARGET
if grep -Eoq "e[0-9]+a_${TARGET}" "${_jail_conf}"; then
_target_host_epair="$(grep -Eo -m 1 "e[0-9]+a_${TARGET}" "${_jail_conf}")"
_target_jail_epair="$(grep -Eo -m 1 "e[0-9]+b_${TARGET}" "${_jail_conf}")"
else
_target_host_epair="${_if}a"
_target_jail_epair="${_if}b"
fi
# Replace host epair name in jail.conf
sed -i '' "s|up name ${_target_host_epair}|up name ${_new_host_epair}|g" "${_jail_conf}"
sed -i '' "s|${_target_host_epair} ether|${_new_host_epair} ether|g" "${_jail_conf}"
sed -i '' "s|deletem ${_target_host_epair}|deletem ${_new_host_epair}|g" "${_jail_conf}"
sed -i '' "s|${_target_host_epair} destroy|${_new_host_epair} destroy|g" "${_jail_conf}"
sed -i '' "s|${_target_host_epair} description|${_new_host_epair} description|g" "${_jail_conf}"
# Replace jail epair name in jail.conf
sed -i '' "s|= ${_target_jail_epair};|= ${_new_jail_epair};|g" "${_jail_conf}"
sed -i '' "s|up name ${_target_jail_epair}|up name ${_new_jail_epair}|g" "${_jail_conf}"
sed -i '' "s|${_target_jail_epair} ether|${_new_jail_epair} ether|g" "${_jail_conf}"
# Replace epair name in jail.conf
sed -i '' "s|${_if}|epair${_num}|g" "${_jail_conf}"
# If jail had a static MAC, generate one for clone
if grep -q ether ${_jail_conf}; then
local external_interface="$(grep "epair${_num}a" ${_jail_conf} | grep -o '[^ ]* addm' | awk '{print $1}')"
generate_static_mac "${NEWNAME}" "${external_interface}"
sed -i '' "s|${_new_host_epair} ether.*:.*:.*:.*:.*:.*a\";|${_new_host_epair} ether ${macaddr}a\";|" "${_jail_conf}"
sed -i '' "s|${_new_jail_epair} ether.*:.*:.*:.*:.*:.*b\";|${_new_jail_epair} ether ${macaddr}b\";|" "${_jail_conf}"
fi
# Replace epair description
sed -i '' "/${_new_host_epair}/ s|vnet host interface for Bastille jail ${TARGET}|vnet host interface for Bastille jail ${NEWNAME}|g" "${_jail_conf}"
# Update /etc/rc.conf
local _jail_vnet="$(grep ${_target_jail_epair} "${_rc_conf}" | grep -Eo -m 1 "vnet[0-9]+")"
local _jail_vnet_vlan="$(grep "vlans_${_jail_vnet}" "${_rc_conf}" | sed 's/.*=//g')"
sed -i '' "s|${_target_jail_epair}_name|${_new_jail_epair}_name|" "${_rc_conf}"
if grep "vnet0" "${_rc_conf}" | grep -q "${_new_jail_epair}_name"; then
if [ -n "${_jail_vnet_vlan}" ]; then
if [ "${IP}" = "0.0.0.0" ] || [ "${IP}" = "DHCP" ]; then
sysrc -f "${_rc_conf}" ifconfig_vnet0_${_jail_vnet_vlan}="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_vnet0_${_jail_vnet_vlan}="inet ${IP}"
fi
else
if [ "${IP}" = "0.0.0.0" ] || [ "${IP}" = "DHCP" ]; then
sysrc -f "${_rc_conf}" ifconfig_vnet0="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_vnet0="inet ${IP}"
fi
fi
else
if [ -n "${_jail_vnet_vlan}" ]; then
sysrc -f "${_rc_conf}" ifconfig_${_jail_vnet}_${_jail_vnet_vlan}="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_${_jail_vnet}="SYNCDHCP"
fi
fi
break
fi
done
# Update VNET (non-bridged) config
elif echo ${_if} | grep -Eoq 'e[0-9]+b_bastille[0-9]+'; then
# Update VNET config
_if="$(echo ${_if} | grep -Eo 'bastille[0-9]+')"
for _num in $(seq 0 "${_bastille_if_num_range}"); do
if ! echo "${_bastille_if_list}" | grep -oqswx "${_num}"; then
# Update jail.conf epair name
local _jail_if="bastille${_num}"
local _jail_vnet="$(grep ${_if} "${_rc_conf}" | grep -Eo -m 1 "vnet[0-9]+")"
local _jail_vnet_vlan="$(grep "vlans_${_jail_vnet}" "${_rc_conf}" | sed 's/.*=//g')"
sed -i '' "s|${_if}|${_jail_if}|g" "${_jail_conf}"
# If jail had a static MAC, generate one for clone
if grep ether ${_jail_conf} | grep -qoc ${_jail_if}; then
local external_interface="$(grep ${_jail_if} ${_jail_conf} | grep -o 'addm.*' | awk '{print $3}' | sed 's/["|;]//g')"
generate_static_mac "${NEWNAME}" "${external_interface}"
sed -i '' "s|${_jail_if} ether.*:.*:.*:.*:.*:.*a\";|${_jail_if} ether ${macaddr}a\";|" "${_jail_conf}"
sed -i '' "s|${_jail_if} ether.*:.*:.*:.*:.*:.*b\";|${_jail_if} ether ${macaddr}b\";|" "${_jail_conf}"
fi
sed -i '' "/${_jail_if}/ s|vnet host interface for Bastille jail ${TARGET}|vnet host interface for Bastille jail ${NEWNAME}|g" "${_jail_conf}"
# Update /etc/rc.conf
sed -i '' "s|ifconfig_e0b_${_if}_name|ifconfig_e0b_${_jail_if}_name|" "${_rc_conf}"
if grep "vnet0" "${_rc_conf}" | grep -q ${_jail_if}; then
if [ -n "${_jail_vnet_vlan}" ]; then
if [ "${IP}" = "0.0.0.0" ] || [ "${IP}" = "DHCP" ]; then
sysrc -f "${_rc_conf}" ifconfig_vnet0_${_jail_vnet_vlan}="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_vnet0_${_jail_vnet_vlan}="inet ${IP}"
fi
else
if [ "${IP}" = "0.0.0.0" ] || [ "${IP}" = "DHCP" ]; then
sysrc -f "${_rc_conf}" ifconfig_vnet0="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_vnet0="inet ${IP}"
fi
fi
else
if [ -n "${_jail_vnet_vlan}" ]; then
sysrc -f "${_rc_conf}" ifconfig_${_jail_vnet}_${_jail_vnet_vlan}="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_${_jail_vnet}="SYNCDHCP"
fi
fi
break
fi
done
# Update netgraph VNET (non-bridged) config
elif echo ${_if} | grep -Eoq 'ng[0-9]+_bastille[0-9]+'; then
_if="$(echo ${_if} | grep -Eo 'bastille[0-9]+')"
for _num in $(seq 0 "${_bastille_if_num_range}"); do
if ! echo "${_bastille_if_list}" | grep -oqswx "${_num}"; then
# Update jail.conf epair name
local _jail_if="bastille${_num}"
local _jail_vnet="$(grep ${_if} "${_rc_conf}" | grep -Eo -m 1 "vnet[0-9]+")"
local _jail_vnet_vlan="$(grep "vlans_${_jail_vnet}" "${_rc_conf}" | sed 's/.*=//g')"
sed -i '' "s|${_if}|${_jail_if}|g" "${_jail_conf}"
# If jail had a static MAC, generate one for clone
if grep ether ${_jail_conf} | grep -qoc ${_jail_if}; then
local external_interface="$(grep ${_jail_if} ${_jail_conf} | grep -o 'jng bridge.*' | awk '{print $4}' | sed 's/["|;]//g')"
generate_static_mac "${NEWNAME}" "${external_interface}"
sed -i '' "s|${_jail_if} ether.*:.*:.*:.*:.*:.*a\";|${_jail_if} ether ${macaddr}a\";|" "${_jail_conf}"
fi
# Update /etc/rc.conf
sed -i '' "s|ifconfig_ng0_${_if}_name|ifconfig_ng0_${_jail_if}_name|" "${_rc_conf}"
if grep "vnet0" "${_rc_conf}" | grep -q ${_jail_if}; then
if [ -n "${_jail_vnet_vlan}" ]; then
if [ "${IP}" = "0.0.0.0" ] || [ "${IP}" = "DHCP" ]; then
sysrc -f "${_rc_conf}" ifconfig_vnet0_${_jail_vnet_vlan}="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_vnet0_${_jail_vnet_vlan}="inet ${IP}"
fi
else
if [ "${IP}" = "0.0.0.0" ] || [ "${IP}" = "DHCP" ]; then
sysrc -f "${_rc_conf}" ifconfig_vnet0="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_vnet0="inet ${IP}"
fi
fi
else
if [ -n "${_jail_vnet_vlan}" ]; then
sysrc -f "${_rc_conf}" ifconfig_${_jail_vnet}_${_jail_vnet_vlan}="SYNCDHCP"
else
sysrc -f "${_rc_conf}" ifconfig_${_jail_vnet}="SYNCDHCP"
fi
fi
break
fi
done
fi
done
}
clone_jail() {
info "\n[${TARGET}]:"
echo "Attempting clone to ${NEWNAME}..."
if ! [ -d "${bastille_jailsdir}/${NEWNAME}" ]; then
if checkyesno bastille_zfs_enable; then
if [ "${LIVE}" -eq 1 ]; then
check_target_is_running "${TARGET}" || error_exit "[-l|--live] can only be used with a running jail."
else check_target_is_stopped "${TARGET}" || if [ "${AUTO}" -eq 1 ]; then
echo "Auto-stopping ${TARGET}..."
bastille stop "${TARGET}"
else
error_notify "Jail is running."
error_exit "Use [-a|--auto] to force stop the jail, or [-l|--live] (ZFS only) to clone a running jail."
fi
fi
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_${DATE}"
fi
else
check_target_is_stopped "${TARGET}" || if [ "${AUTO}" -eq 1 ]; then
echo "Auto-stopping ${TARGET}..."
bastille stop "${TARGET}"
else
error_notify "Jail is running."
error_exit "Use [-a|--auto] to force stop the jail."
fi
# Perform container file copy (archive mode)
cp -a "${bastille_jailsdir}/${TARGET}" "${bastille_jailsdir}/${NEWNAME}"
fi
else
error_exit "${NEWNAME} already exists."
fi
# Generate jail configuration files
update_jailconf
update_fstab "${TARGET}" "${NEWNAME}"
# Display exit status
if [ "$?" -ne 0 ]; then
error_exit "An error has occurred while attempting to clone '${TARGET}'."
else
info "Cloned '${TARGET}' to '${NEWNAME}' successfully."
fi
# Start jails if AUTO=1 or LIVE=1
if [ "${AUTO}" -eq 1 ]; then
bastille start "${TARGET}"
bastille start "${NEWNAME}"
elif [ "${LIVE}" -eq 1 ]; then
bastille start "${NEWNAME}"
fi
}
# Check if IP address is valid.
if [ -n "${IP}" ]; then
validate_ip
else
usage
fi
clone_jail
echo
Reference in New Issue View Git Blame Copy Permalink