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#!/bin/sh
# Copyright (C) 2014-2024 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# SPDX-License-Identifier: GPL-3.0+
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
set -e
PROJECT="open-infrastructure"
SOFTWARE="compute-tools"
PROGRAM="container"
COMMAND="$(basename ${0})"
KEYS="/etc/${SOFTWARE}/keys"
Parameters ()
{
GETOPT_LONGOPTIONS="add:,list,remove:,"
GETOPT_OPTIONS="a:,l,r:,"
PARAMETERS="$(getopt --longoptions ${GETOPT_LONGOPTIONS} --name=${COMMAND} --options ${GETOPT_OPTIONS} --shell sh -- ${@})"
if [ "${?}" != "0" ]
then
echo "'${COMMAND}': getopt exit" >&2
exit 1
fi
eval set -- "${PARAMETERS}"
while true
do
case "${1}" in
-a|--add)
ADD="${2}"
ACTION="add"
shift 2
;;
-l|--list)
ACTION="list"
shift 1
;;
-r|--remove)
REMOVE="${2}"
ACTION="remove"
shift 2
;;
--)
shift 1
break
;;
*)
echo "'${COMMAND}': getopt error" >&2
exit 1
;;
esac
done
}
Usage ()
{
echo "Usage: ${PROGRAM} ${COMMAND} [-a|--add KEY_FILE|KEY_ID] [-l|--list] [-r|--remove KEY|KEY_ID]" >&2
echo
echo "See ${COMMAND}(1), ${PROGRAM}(1) and ${PROJECT}(7) for more information."
exit 1
}
Parameters "${@}"
if [ -z "${ACTION}" ]
then
Usage
fi
if [ ! -w "${KEYS}" ]
then
if [ "$(id -u)" -ne 0 ]
then
echo "'${COMMAND}': need root privileges (or write permissions to '${KEYS}')" >&2
exit 1
fi
fi
# Pre hooks
for FILE in "${HOOKS}/pre-${COMMAND}".* "${HOOKS}/${NAME}.pre-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
# Run
if [ ! -e "${KEYS}" ]
then
mkdir -p "${KEYS}"
chown root:root "${KEYS}"
chmod 0700 "${KEYS}"
cat > "${KEYS}/gnupg.conf" << EOF
keyserver hkps://keys.openpgp.org
keyserver-options include-revoked
keyserver-options no-honor-keyserver-url
cert-digest-algo SHA512
default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES ZLIB ZIP Uncompressed
personal-cipher-preferences AES256 AES192 AES
personal-compress-preferences ZLIB ZIP Uncompressed
personal-digest-preferences SHA512 SHA384 SHA256 SHA224
no-comments
no-emit-version
no-greeting
keyid-format 0xlong
list-options show-keyring
list-options show-uid-validity
verify-options show-uid-validity
with-fingerprint
charset utf-8
EOF
fi
case "${ACTION}" in
add)
if [ -e "${ADD}" ]
then
gpg --homedir "${KEYS}" --import "${ADD}"
elif [ -e "/usr/share/${SOFTWARE}/keys/${ADD}" ]
then
gpg --homedir "${KEYS}" --import "/usr/share/${SOFTWARE}/keys/${ADD}"
elif [ -e "/usr/share/${SOFTWARE}/keys/${ADD}.pub" ]
then
gpg --homedir "${KEYS}" --import "/usr/share/${SOFTWARE}/keys/${ADD}.pub"
else
gpg --homedir "${KEYS}" --recv "${ADD}"
fi
;;
list)
gpg --homedir "${KEYS}" --list-keys
;;
remove)
gpg --homedir "${KEYS}" --delete-keys "${REMOVE}"
;;
esac
# Post hooks
for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
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