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02755e7c05
mv "${TMPDIR}/usr/local/etc/config/crRFD/*" does not expand the glob and fails.
Due to the previous change we also ignored the globbing error.
Let's clean the directory up, copy from the source and avoid globbing errors.
By doing it this way we can also drop the ugly "|| true".
114 lines
3.9 KiB
Bash
Executable File
114 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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# shellcheck source=/dev/null
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#
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# simple backup script to create a CCU compatible .sbk type
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# backup out of the core-homematic HomeAssistant add-on
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#
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# Copyright (c) 2022 Jens Maus <mail@jens-maus.de>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Usage:
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# createBackup.sh <directory/file>
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#
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# Stop on error
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set -e
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# default backup destination directory
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BACKUPDIR=/tmp
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# let caller overwrite the backup path
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if [[ -n "${1}" ]]; then
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BACKUPPATH="${1}"
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else
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echo "ERROR: no backup path specified"
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fi
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# get running firmware version
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. /VERSION 2>/dev/null
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# check if specified path is a directory or file
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if [[ -d "${BACKUPPATH}" ]]; then
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# a directory path was specified, lets construct the complete filepath
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BACKUPDIR="$(realpath "${BACKUPPATH}")"
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BACKUPFILE="$(hostname)-${VERSION}-$(date +%Y-%m-%d-%H%M).sbk"
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else
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# a file was specified with a directory path
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BACKUPDIR="$(realpath "$(dirname "${BACKUPPATH}")")"
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BACKUPFILE="$(basename "${BACKUPPATH}")"
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fi
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# use the backupdir as base directory for creating
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# a temporary directory to create the backup stuff in there.
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TMPDIR=$(mktemp -d -p "${BACKUPDIR}")
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if [[ -d "${TMPDIR}" ]]; then
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# make sure TMPDIR is removed under all circumstances
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# shellcheck disable=SC2064
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trap "rm -rf ${TMPDIR}" EXIT
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# make sure ReGaHSS saves its current settings
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echo 'load tclrega.so; rega system.Save()' | /opt/hm/bin/tclsh >/dev/null 2>&1
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# create a CCU conform copy of /usr/local
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mkdir -p "${TMPDIR}/usr/local"
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mkdir -p "${TMPDIR}/usr/local/etc/config"
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cp -a /opt/hm/etc/config/* "${TMPDIR}/usr/local/etc/config/"
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rm -f "${TMPDIR}/usr/local/etc/config/groups.gson" "${TMPDIR}/usr/local/etc/config/userprofiles"
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cp -a /data/* "${TMPDIR}/usr/local/etc/config/"
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# move crRFD files to data sub-dir to be compatible
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rm -rf "${TMPDIR}/usr/local/etc/config/crRFD"
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mkdir -p "${TMPDIR}/usr/local/etc/config/crRFD"
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cp -a /data/crRFD "${TMPDIR}/usr/local/etc/config/crRFD/data"
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# cleanup
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rm -f "${TMPDIR}/usr/local/etc/config/options.json"
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rm -f "${TMPDIR}/usr/local/etc/config/groups.json"
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rm -f "${TMPDIR}/usr/local/etc/config/HMServer.conf"
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rm -f "${TMPDIR}/usr/local/etc/config/hmip_user.conf"
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rm -f "${TMPDIR}/usr/local/etc/config/log4j.xml"
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rm -f "${TMPDIR}/usr/local/etc/config/rega.conf"
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rm -f "${TMPDIR}/usr/local/etc/config/rega_user.conf"
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# create a gzipped tar of /usr/local
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set +e # disable abort on error
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/bin/tar -C "${TMPDIR}" --owner=root --group=root --exclude=usr/local/tmp --exclude=usr/local/lost+found --exclude="${BACKUPDIR}" --exclude-tag=.nobackup --ignore-failed-read --warning=no-file-changed -czf "${TMPDIR}/usr_local.tar.gz" usr/local 2>/dev/null
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if [[ $? -eq 2 ]]; then
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exit 2
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fi
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set -e # re-enable abort on error
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# remove the temp usr dir again
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rm -rf "${TMPDIR:?}/usr"
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# sign the configuration with the current key
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/opt/hm/bin/crypttool -s -t 1 <"${TMPDIR}/usr_local.tar.gz" >"${TMPDIR}/signature"
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# store the current key index
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/opt/hm/bin/crypttool -g -t 1 >"${TMPDIR}/key_index"
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# store the firmware VERSION
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echo "VERSION=${VERSION}" >"${TMPDIR}/firmware_version"
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# create sha256 checksum of all files
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(cd "${TMPDIR}" && /usr/bin/sha256sum ./* >signature.sha256)
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# create sbk file
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/bin/tar -C "${TMPDIR}" --owner=root --group=root -cf "${BACKUPDIR}/${BACKUPFILE}" usr_local.tar.gz signature signature.sha256 key_index firmware_version 2>/dev/null
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exit 0
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else
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exit 1
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fi
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