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hackacad/usr/local/share/bastille/bootstrap.sh
Christer Edwards 1120a0eebd Merge pull request #279 from chriswells0/default-templates 
Use templates for configuring new jails.
2020-12-31 15:00:13 -07:00

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#!/bin/sh
#
# Copyright (c) 2018-2020, 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 bootstrap [release|template] [update|arch]"
}
# Handle special-case commands first.
case "$1" in
help|-h|--help)
usage
;;
esac
#Validate if ZFS is enabled in rc.conf and bastille.conf.
if [ "$(sysrc -n zfs_enable)" = "YES" ] && [ ! "${bastille_zfs_enable}" = "YES" ]; then
warn "ZFS is enabled in rc.conf but not bastille.conf. Do you want to continue? (N|y)"
read answer
case $answer in
no|No|n|N|"")
error_exit "ERROR: Missing ZFS parameters. See bastille_zfs_enable."
;;
yes|Yes|y|Y)
continue
;;
esac
fi
# Validate ZFS parameters.
if [ "${bastille_zfs_enable}" = "YES" ]; then
## check for the ZFS pool and bastille prefix
if [ -z "${bastille_zfs_zpool}" ]; then
error_exit "ERROR: Missing ZFS parameters. See bastille_zfs_zpool."
elif [ -z "${bastille_zfs_prefix}" ]; then
error_exit "ERROR: Missing ZFS parameters. See bastille_zfs_prefix."
elif ! zfs list "${bastille_zfs_zpool}" > /dev/null 2>&1; then
error_exit "ERROR: ${bastille_zfs_zpool} is not a ZFS pool."
fi
## check for the ZFS dataset prefix if already exist
if [ -d "/${bastille_zfs_zpool}/${bastille_zfs_prefix}" ]; then
if ! zfs list "${bastille_zfs_zpool}/${bastille_zfs_prefix}" > /dev/null 2>&1; then
error_exit "ERROR: ${bastille_zfs_zpool}/${bastille_zfs_prefix} is not a ZFS dataset."
fi
fi
fi
validate_release_url() {
## check upstream url, else warn user
if [ -n "${NAME_VERIFY}" ]; then
RELEASE="${NAME_VERIFY}"
if ! fetch -qo /dev/null "${UPSTREAM_URL}/MANIFEST" 2>/dev/null; then
error_exit "Unable to fetch MANIFEST. See 'bootstrap urls'."
fi
info "Bootstrapping ${PLATFORM_OS} distfiles..."
# Alternate RELEASE/ARCH fetch support
if [ "${OPTION}" = "--i386" -o "${OPTION}" = "--32bit" ]; then
ARCH="i386"
RELEASE="${RELEASE}-${ARCH}"
fi
bootstrap_directories
bootstrap_release
else
usage
fi
}
bootstrap_directories() {
## ensure required directories are in place
## ${bastille_prefix}
if [ ! -d "${bastille_prefix}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ];then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_prefix}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}"
chmod 0750 "${bastille_prefix}"
fi
else
mkdir -p "${bastille_prefix}"
chmod 0750 "${bastille_prefix}"
fi
fi
## ${bastille_backupsdir}
if [ ! -d "${bastille_backupsdir}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ];then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_backupsdir}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/backups"
chmod 0750 "${bastille_backupsdir}"
fi
else
mkdir -p "${bastille_backupsdir}"
chmod 0750 "${bastille_backupsdir}"
fi
fi
## ${bastille_cachedir}
if [ ! -d "${bastille_cachedir}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_cachedir}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/cache"
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_cachedir}/${RELEASE}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/cache/${RELEASE}"
fi
else
mkdir -p "${bastille_cachedir}/${RELEASE}"
fi
## create subsequent cache/XX.X-RELEASE datasets
elif [ ! -d "${bastille_cachedir}/${RELEASE}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_cachedir}/${RELEASE}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/cache/${RELEASE}"
fi
else
mkdir -p "${bastille_cachedir}/${RELEASE}"
fi
fi
## ${bastille_jailsdir}
if [ ! -d "${bastille_jailsdir}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_jailsdir}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails"
fi
else
mkdir -p "${bastille_jailsdir}"
fi
fi
## ${bastille_logsdir}
if [ ! -d "${bastille_logsdir}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_logsdir}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/logs"
fi
else
mkdir -p "${bastille_logsdir}"
fi
fi
## ${bastille_templatesdir}
if [ ! -d "${bastille_templatesdir}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_templatesdir}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/templates"
fi
else
mkdir -p "${bastille_templatesdir}"
fi
ln -s "${bastille_sharedir}/templates/default" "${bastille_templatesdir}/default"
fi
## ${bastille_releasesdir}
if [ ! -d "${bastille_releasesdir}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_releasesdir}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/releases"
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_releasesdir}/${RELEASE}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/releases/${RELEASE}"
fi
else
mkdir -p "${bastille_releasesdir}/${RELEASE}"
fi
## create subsequent releases/XX.X-RELEASE datasets
elif [ ! -d "${bastille_releasesdir}/${RELEASE}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_releasesdir}/${RELEASE}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/releases/${RELEASE}"
fi
else
mkdir -p "${bastille_releasesdir}/${RELEASE}"
fi
fi
}
bootstrap_release() {
## if release exists quit, else bootstrap additional distfiles
if [ -f "${bastille_releasesdir}/${RELEASE}/COPYRIGHT" ]; then
## check distfiles list and skip existing cached files
bastille_bootstrap_archives=$(echo "${bastille_bootstrap_archives}" | sed "s/base//")
bastille_cached_files=$(ls "${bastille_cachedir}/${RELEASE}" | grep -v "MANIFEST" | tr -d ".txz")
for distfile in ${bastille_cached_files}; do
bastille_bootstrap_archives=$(echo "${bastille_bootstrap_archives}" | sed "s/${distfile}//")
done
## check if release already bootstrapped, else continue bootstrapping
if [ -z "${bastille_bootstrap_archives}" ]; then
error_exit "Bootstrap appears complete."
else
info "Bootstrapping additional distfiles..."
fi
fi
for _archive in ${bastille_bootstrap_archives}; do
## check if the dist files already exists then extract
FETCH_VALIDATION="0"
if [ -f "${bastille_cachedir}/${RELEASE}/${_archive}.txz" ]; then
info "Extracting ${PLATFORM_OS} ${RELEASE} ${_archive}.txz."
if /usr/bin/tar -C "${bastille_releasesdir}/${RELEASE}" -xf "${bastille_cachedir}/${RELEASE}/${_archive}.txz"; then
## silence motd at container login
touch "${bastille_releasesdir}/${RELEASE}/root/.hushlogin"
touch "${bastille_releasesdir}/${RELEASE}/usr/share/skel/dot.hushlogin"
else
error_exit "Failed to extract ${_archive}.txz."
fi
else
## get the manifest for dist files checksum validation
if [ ! -f "${bastille_cachedir}/${RELEASE}/MANIFEST" ]; then
fetch "${UPSTREAM_URL}/MANIFEST" -o "${bastille_cachedir}/${RELEASE}/MANIFEST" || FETCH_VALIDATION="1"
fi
if [ "${FETCH_VALIDATION}" -ne "0" ]; then
## perform cleanup only for stale/empty directories on failure
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
if [ ! "$(ls -A "${bastille_cachedir}/${RELEASE}")" ]; then
zfs destroy "${bastille_zfs_zpool}/${bastille_zfs_prefix}/cache/${RELEASE}"
fi
if [ ! "$(ls -A "${bastille_releasesdir}/${RELEASE}")" ]; then
zfs destroy "${bastille_zfs_zpool}/${bastille_zfs_prefix}/releases/${RELEASE}"
fi
fi
fi
if [ -d "${bastille_cachedir}/${RELEASE}" ]; then
if [ ! "$(ls -A "${bastille_cachedir}/${RELEASE}")" ]; then
rm -rf "${bastille_cachedir}/${RELEASE}"
fi
fi
if [ -d "${bastille_releasesdir}/${RELEASE}" ]; then
if [ ! "$(ls -A "${bastille_releasesdir}/${RELEASE}")" ]; then
rm -rf "${bastille_releasesdir}/${RELEASE}"
fi
fi
error_exit "Bootstrap failed."
fi
## fetch for missing dist files
if [ ! -f "${bastille_cachedir}/${RELEASE}/${_archive}.txz" ]; then
fetch "${UPSTREAM_URL}/${_archive}.txz" -o "${bastille_cachedir}/${RELEASE}/${_archive}.txz"
if [ "$?" -ne 0 ]; then
## alert only if unable to fetch additional dist files
error_notify "Failed to fetch ${_archive}.txz."
fi
fi
## compare checksums on the fetched dist files
if [ -f "${bastille_cachedir}/${RELEASE}/${_archive}.txz" ]; then
SHA256_DIST=$(grep -w "${_archive}.txz" "${bastille_cachedir}/${RELEASE}/MANIFEST" | awk '{print $2}')
SHA256_FILE=$(sha256 -q "${bastille_cachedir}/${RELEASE}/${_archive}.txz")
if [ "${SHA256_FILE}" != "${SHA256_DIST}" ]; then
rm "${bastille_cachedir}/${RELEASE}/${_archive}.txz"
error_exit "Failed validation for ${_archive}.txz. Please retry bootstrap!"
else
info "Validated checksum for ${RELEASE}: ${_archive}.txz"
info "MANIFEST: ${SHA256_DIST}"
info "DOWNLOAD: ${SHA256_FILE}"
fi
fi
## extract the fetched dist files
if [ -f "${bastille_cachedir}/${RELEASE}/${_archive}.txz" ]; then
info "Extracting ${PLATFORM_OS} ${RELEASE} ${_archive}.txz."
if /usr/bin/tar -C "${bastille_releasesdir}/${RELEASE}" -xf "${bastille_cachedir}/${RELEASE}/${_archive}.txz"; then
## silence motd at container login
touch "${bastille_releasesdir}/${RELEASE}/root/.hushlogin"
touch "${bastille_releasesdir}/${RELEASE}/usr/share/skel/dot.hushlogin"
else
error_exit "Failed to extract ${_archive}.txz."
fi
fi
fi
done
echo
info "Bootstrap successful."
info "See 'bastille --help' for available commands."
echo
}
bootstrap_template() {
## ${bastille_templatesdir}
if [ ! -d "${bastille_templatesdir}" ]; then
if [ "${bastille_zfs_enable}" = "YES" ]; then
if [ -n "${bastille_zfs_zpool}" ]; then
zfs create ${bastille_zfs_options} -o mountpoint="${bastille_templatesdir}" "${bastille_zfs_zpool}/${bastille_zfs_prefix}/templates"
fi
else
mkdir -p "${bastille_templatesdir}"
fi
ln -s "${bastille_sharedir}/templates/default" "${bastille_templatesdir}/default"
fi
## define basic variables
_url=${BASTILLE_TEMPLATE_URL}
_user=${BASTILLE_TEMPLATE_USER}
_repo=${BASTILLE_TEMPLATE_REPO}
_template=${bastille_templatesdir}/${_user}/${_repo}
## support for non-git
if [ ! -x "$(which git)" ]; then
error_notify "Git not found."
error_exit "Not yet implemented."
elif [ -x "$(which git)" ]; then
if [ ! -d "${_template}/.git" ]; then
$(which git) clone "${_url}" "${_template}" ||\
error_notify "Clone unsuccessful."
elif [ -d "${_template}/.git" ]; then
cd "${_template}" && $(which git) pull ||\
error_notify "Template update unsuccessful."
fi
fi
bastille verify "${_user}/${_repo}"
}
HW_MACHINE=$(sysctl hw.machine | awk '{ print $2 }')
HW_MACHINE_ARCH=$(sysctl hw.machine_arch | awk '{ print $2 }')
RELEASE="${1}"
OPTION="${2}"
# Alternate RELEASE/ARCH fetch support(experimental)
if [ -n "${OPTION}" ] && [ "${OPTION}" != "${HW_MACHINE}" ] && [ "${OPTION}" != "update" ]; then
# Supported architectures
if [ "${OPTION}" = "--i386" -o "${OPTION}" = "--32bit" ]; then
HW_MACHINE="i386"
HW_MACHINE_ARCH="i386"
else
error_exit "Unsupported architecture."
fi
fi
## Filter sane release names
case "${1}" in
*-CURRENT|*-current)
## check for FreeBSD releases name
NAME_VERIFY=$(echo "${RELEASE}" | grep -iwE '^([1-9]{2,2})\.[0-9](-CURRENT)$' | tr '[:lower:]' '[:upper:]')
UPSTREAM_URL=$(echo "${bastille_url_freebsd}${HW_MACHINE}/${HW_MACHINE_ARCH}/${NAME_VERIFY}" | sed 's/releases/snapshots/')
PLATFORM_OS="FreeBSD"
validate_release_url
;;
*-RELEASE|*-release|*-RC1|*-rc1|*-RC2|*-rc2)
## check for FreeBSD releases name
NAME_VERIFY=$(echo "${RELEASE}" | grep -iwE '^([1-9]{2,2})\.[0-9](-RELEASE|-RC[1-2])$' | tr '[:lower:]' '[:upper:]')
UPSTREAM_URL="${bastille_url_freebsd}${HW_MACHINE}/${HW_MACHINE_ARCH}/${NAME_VERIFY}"
PLATFORM_OS="FreeBSD"
validate_release_url
;;
*-stable-LAST|*-STABLE-last|*-stable-last|*-STABLE-LAST)
## check for HardenedBSD releases name(previous infrastructure, keep for reference)
NAME_VERIFY=$(echo "${RELEASE}" | grep -iwE '^([1-9]{2,2})(-stable-last)$' | sed 's/STABLE/stable/g' | sed 's/last/LAST/g')
UPSTREAM_URL="${bastille_url_hardenedbsd}${HW_MACHINE}/${HW_MACHINE_ARCH}/hardenedbsd-${NAME_VERIFY}"
PLATFORM_OS="HardenedBSD"
validate_release_url
;;
*-stable-build-[0-9]*|*-STABLE-BUILD-[0-9]*)
## check for HardenedBSD(specific stable build releases)
NAME_VERIFY=$(echo "${RELEASE}" | grep -iwE '([0-9]{1,2})(-stable-build)-([0-9]{1,3})$' | sed 's/BUILD/build/g' | sed 's/STABLE/stable/g')
NAME_RELEASE=$(echo "${NAME_VERIFY}" | sed 's/-build-[0-9]\{1,3\}//g')
NAME_BUILD=$(echo "${NAME_VERIFY}" | sed 's/[0-9]\{1,2\}-stable-//g')
UPSTREAM_URL="${bastille_url_hardenedbsd}${NAME_RELEASE}/${HW_MACHINE}/${HW_MACHINE_ARCH}/${NAME_BUILD}"
PLATFORM_OS="HardenedBSD"
validate_release_url
;;
*-stable-build-latest|*-stable-BUILD-LATEST|*-STABLE-BUILD-LATEST)
## check for HardenedBSD(latest stable build release)
NAME_VERIFY=$(echo "${RELEASE}" | grep -iwE '([0-9]{1,2})(-stable-build-latest)$' | sed 's/STABLE/stable/g' | sed 's/build/BUILD/g' | sed 's/latest/LATEST/g')
NAME_RELEASE=$(echo "${NAME_VERIFY}" | sed 's/-BUILD-LATEST//g')
NAME_BUILD=$(echo "${NAME_VERIFY}" | sed 's/[0-9]\{1,2\}-stable-//g')
UPSTREAM_URL="${bastille_url_hardenedbsd}${NAME_RELEASE}/${HW_MACHINE}/${HW_MACHINE_ARCH}/${NAME_BUILD}"
PLATFORM_OS="HardenedBSD"
validate_release_url
;;
current-build-[0-9]*|CURRENT-BUILD-[0-9]*)
## check for HardenedBSD(specific current build releases)
NAME_VERIFY=$(echo "${RELEASE}" | grep -iwE '(current-build)-([0-9]{1,3})' | sed 's/BUILD/build/g' | sed 's/CURRENT/current/g')
NAME_RELEASE=$(echo "${NAME_VERIFY}" | sed 's/current-.*/current/g')
NAME_BUILD=$(echo "${NAME_VERIFY}" | sed 's/current-//g')
UPSTREAM_URL="${bastille_url_hardenedbsd}${NAME_RELEASE}/${HW_MACHINE}/${HW_MACHINE_ARCH}/${NAME_BUILD}"
PLATFORM_OS="HardenedBSD"
validate_release_url
;;
current-build-latest|current-BUILD-LATEST|CURRENT-BUILD-LATEST)
## check for HardenedBSD(latest current build release)
NAME_VERIFY=$(echo "${RELEASE}" | grep -iwE '(current-build-latest)' | sed 's/CURRENT/current/g' | sed 's/build/BUILD/g' | sed 's/latest/LATEST/g')
NAME_RELEASE=$(echo "${NAME_VERIFY}" | sed 's/current-.*/current/g')
NAME_BUILD=$(echo "${NAME_VERIFY}" | sed 's/current-//g')
UPSTREAM_URL="${bastille_url_hardenedbsd}${NAME_RELEASE}/${HW_MACHINE}/${HW_MACHINE_ARCH}/${NAME_BUILD}"
PLATFORM_OS="HardenedBSD"
validate_release_url
;;
http?://github.com/*/*|http?://gitlab.com/*/*)
BASTILLE_TEMPLATE_URL=${1}
BASTILLE_TEMPLATE_USER=$(echo "${1}" | awk -F / '{ print $4 }')
BASTILLE_TEMPLATE_REPO=$(echo "${1}" | awk -F / '{ print $5 }')
bootstrap_template
;;
*)
usage
;;
esac
case "${OPTION}" in
update)
bastille update "${RELEASE}"
;;
esac
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