summaryrefslogtreecommitdiffstats
path: root/libexec/container/key
blob: 5deff0d404b3ff3a07ab4859a6cb04b55dfe9ff0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
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/compute-tools/keys/${ADD}" ]
		then
			gpg --homedir "${KEYS}" --import "/usr/share/compute-tools/keys/${ADD}"
		elif [ -e "/usr/share/compute-tools/keys/${ADD}.pub" ]
		then
			gpg --homedir "${KEYS}" --import "/usr/share/compute-tools/keys/${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