Send patches - preferably formatted by git format-patch - to patches at archlinux32 dot org.
summaryrefslogtreecommitdiff
path: root/scripts/pacman-key.sh.in
blob: 3efcb177b81203c6a177e060522eebe7ff5a037d (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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
#!@BASH_SHELL@ -e
#
#   pacman-key - manages pacman's keyring
#                Based on apt-key, from Debian
#   @configure_input@
#
#   Copyright (c) 2010 - Pacman Development Team <pacman-dev@archlinux.org>
#
#   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 2 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 <http://www.gnu.org/licenses/>.
#

# gettext initialization
export TEXTDOMAIN='pacman'
export TEXTDOMAINDIR='@localedir@'

myver="@PACKAGE_VERSION@"

msg() {
	local mesg=$1; shift
	printf "==> ${mesg}\n" "$@" >&1
}

msg2() {
	(( QUIET )) && return
	local mesg=$1; shift
	printf "  -> ${mesg}\n" "$@" >&1
}

warning() {
	local mesg=$1; shift
	printf "==> $(gettext "WARNING:") ${mesg}\n" "$@" >&2
}

error() {
	local mesg=$1; shift
	printf "==> $(gettext "ERROR:") ${mesg}\n" "$@" >&2
}

usage() {
	printf "pacman-key (pacman) %s\n" ${myver}
	echo
	printf "$(gettext "Usage: %s [options] command [arguments]")\n" $(basename $0)
	echo
	echo "$(gettext "Manage pacman's list of trusted keys")"
	echo
	echo "$(gettext "Options must be placed before commands. The available options are:")"
	echo "$(gettext " --config    - set an alternative configuration file to use. ")"
	printf "$(gettext "               Default is %s")\n" "@sysconfdir@/pacman.conf"
	echo "$(gettext " --gpgdir    - set an alternative home directory for gnupg. ")"
	printf "$(gettext "               Default is set in %s")\n" "@sysconfdir@/pacman.conf"
	echo
	echo "$(gettext "The available commands are:")"
	echo "$(gettext "  pacman-key -a | --add [<file>] ...                - add the key contained ")"
	echo "$(gettext "                                                      in <file> (empty for stdin)")"
	echo "$(gettext "  pacman-key -d | --del <keyid> ...                 - remove the key <keyid>")"
	echo "$(gettext "  pacman-key -e | --export <keyid> ...              - output the key <keyid>")"
	echo "$(gettext "  pacman-key -r | --receive <keyserver> <keyid> ... - fetch the keyids from")"
	echo "$(gettext "                                                      the specified keyserver URL")"
	echo "$(gettext "  pacman-key -t | --trust <keyid> ...               - set the trust level of the given key")"
	echo "$(gettext "  pacman-key -u | --updatedb                        - update the trustdb of pacman")"
	echo "$(gettext "  pacman-key --reload                               - reloads the keys from the keyring package")"
	echo "$(gettext "  pacman-key -l | --list                            - list keys")"
	echo "$(gettext "  pacman-key -f | --finger [<keyid]> ...            - list fingerprint for specified keyids (or for all, if none is specified)")"
	echo "$(gettext "  pacman-key --adv <params>                         - use pacman's keyring as target for advanced commands")"
	echo "$(gettext "  pacman-key -h | --help                            - displays this message")"
	echo "$(gettext "  pacman-key -v | --version                         - displays the current version")"
}

version() {
	printf "pacman-key (pacman) %s\n" "${myver}"
	printf "$(gettext "\
Copyright (c) 2010 Pacman Development Team <pacman-dev@archlinux.org>.\n\
This is free software; see the source for copying conditions.\n\
There is NO WARRANTY, to the extent permitted by law.\n")"
}

reload_keyring() {
	local PACMAN_SHARE_DIR='@prefix@/share/pacman'
	local GPG_NOKEYRING="gpg --batch --quiet --ignore-time-conflict --no-options --no-default-keyring --homedir ${PACMAN_KEYRING_DIR}"

	# Read-only keyring with keys to be added to the keyring
	local ADDED_KEYS="${PACMAN_SHARE_DIR}/addedkeys.gpg"

	# Read-only list of keys removed from the keyring.
	local REMOVED_KEYS="${PACMAN_SHARE_DIR}/removedkeys"

	# Add keys from the current set of keys from pacman-keyring package. The web of trust will
	# be updated automatically.
	if [[ -r "${ADDED_KEYS}" ]]; then
		msg "$(gettext "Verifying official keys file signature...")"
		if ! ${GPG_PACMAN} --quiet --verify "${ADDED_KEYS}.sig" 1>/dev/null; then
			error "$(gettext "The signature of file %s is not valid.")" "${ADDED_KEYS}"
			exit 1
		fi

		msg "$(gettext "Appending official keys...")"
		local add_keys=$(${GPG_NOKEYRING} --keyring "${ADDED_KEYS}" --with-colons --list-keys | grep ^pub | cut -d: -f5)
		for key in ${add_keys}; do
			msg "$(gettext "  key id: %s")" "$key"
			${GPG_NOKEYRING} --keyring "${ADDED_KEYS}" --export "${key}" | ${GPG_PACMAN} --import
		done
	fi

	# Remove the keys from REMOVED_KEYS keyring
	if [[ -r "${REMOVED_KEYS}" ]]; then
		msg "$(gettext "Verifying deleted keys file signature...")"
		if ! ${GPG_PACMAN} --quiet --verify "${REMOVED_KEYS}.sig"; then
			error "$(gettext "The signature of file %s is not valid.")" "${REMOVED_KEYS}"
			exit 1
		fi

		msg "$(gettext "Removing deleted keys from keyring...")"
		cat "${REMOVED_KEYS}" | while read key; do
			msg "$(gettext "  key id: %s")" "$key"
			${GPG_PACMAN} --quiet --batch --yes --delete-key "${key}"
		done
	fi

	# Update trustdb, just to be sure
	msg "$(gettext "Updating trust database...")"
	${GPG_PACMAN} --batch --check-trustdb
}

# PROGRAM START
if ! type gettext &>/dev/null; then
	gettext() {
		echo "$@"
	}
fi

if [[ $1 != "--version" && $1 != "-v" && $1 != "--help" && $1 != "-h" ]]; then
	if type -p gpg >/dev/null 2>&1 = 1; then
		error "$(gettext "gnupg does not seem to be installed.")"
		msg2 "$(gettext "pacman-key requires gnupg for most operations.")"
		exit 1
	elif (( EUID != 0 )); then
		error "$(gettext "pacman-key needs to be run as root.")"
		exit 1
	fi
fi

# Parse global options
CONFIG="@sysconfdir@/pacman.conf"
PACMAN_KEYRING_DIR="@sysconfdir@/pacman.d/gnupg"
while [[ $1 =~ ^--(config|gpgdir)$ ]]; do
	case "$1" in
		--config) shift; CONFIG="$1" ;;
		--gpgdir) shift; PACMAN_KEYRING_DIR="$1" ;;
	esac
	shift
done

if [[ ! -r "${CONFIG}" ]]; then
	error "$(gettext "It is not possible to read %s")" "${CONFIG}"
	exit 1
fi

# Read GPGDIR from $CONFIG.
# The pattern is: any spaces or tabs, GPGDir, any spaces or tabs, equal sign
# and the rest of the line. The string is splitted after the first occurrence of =
if [[ GPGDIR=$(grep -e '^[[:blank:]]*GPGDir[[:blank:]]*=.*' "$CONFIG") == 0 ]]; then
  GPGDIR=${GPGDIR#*=}
	PACMAN_KEYRING_DIR="${GPGDIR}"
fi
GPG_PACMAN="gpg --homedir ${PACMAN_KEYRING_DIR}"

# Parse and execute command
command="$1"
if [[ -z "${command}" ]]; then
	usage
	exit 1
fi
shift

case "${command}" in
	-a|--add)
		if (( $# == 0 )); then
			error "$(gettext "You need to specify at least one key identifier")"
			usage
			exit 1
		fi
		while (( $# > 0 )); do
			${GPG_PACMAN} --quiet --batch --import "$1"
			shift
		done
		;;
	-d|--del)
		if (( $# == 0 )); then
			error "$(gettext "You need to specify at least one key identifier")"
			usage
			exit 1
		fi
		while (( $# > 0 )); do
			${GPG_PACMAN} --quiet --batch --delete-key --yes "$1"
			shift
		done
		;;
	-u|--updatedb)
		${GPG_PACMAN} --batch --check-trustdb
		;;
	--reload)
		reload_keyring
		;;
	-l|--list)
		${GPG_PACMAN} --batch --list-sigs
		;;
	-f|--finger)
		${GPG_PACMAN} --batch --fingerprint $*
		;;
	-e|--export)
		if (( $# == 0 )); then
			${GPG_PACMAN} --armor --export
		else
			while (( $# > 0 )); do
				${GPG_PACMAN} --armor --export "$1"
				shift
			done
		fi
		;;
	-r|--receive)
		if (( $# < 2 )); then
			error "$(gettext "You need to specify the keyserver and at least one key identifier")"
			usage
			exit 1
		fi
		keyserver="$1"
		shift
		${GPG_PACMAN} --keyserver "${keyserver}" --recv-keys $*
		;;
	-t|--trust)
		if (( $# == 0 )); then
			error "$(gettext "You need to specify at least one key identifier")"
			usage
			exit 1
		fi
		while (( $# > 0 )); do
			# Verify if the key exists in pacman's keyring
			if ${GPG_PACMAN} --list-keys "$1" > /dev/null 2>&1; then
				${GPG_PACMAN} --edit-key "$1"
			else
				error "$(gettext "The key identified by %s doesn't exist")" "$1"
				exit 1
			fi
			shift
		done
		;;
	--adv)
		msg "$(gettext "Executing: %s ")$*" "${GPG_PACMAN}"
		${GPG_PACMAN} $* || ret=$?
		exit $ret
		;;
	--help)
		usage
		;;
	--version)
		version
		exit 0
		;;
	*)
		usage
		exit 1
		;;
esac