1 files changed, 176 insertions, 0 deletions
diff --git a/libexec/container/key b/libexec/container/key
new file mode 100755
index 0000000..efd214e
--- /dev/null
+++ b/libexec/container/key
@@ -0,0 +1,176 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2022 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