summaryrefslogtreecommitdiff
path: root/scripts/pacman-key.sh.in
blob: 1d26f44cfdaca657a80c212c2ef4cb6e11928c97 (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
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
#!/bin/bash
#
#   pacman-key - manages pacman's keyring
#                Based on apt-key, from Debian
#   @configure_input@
#
#   Copyright (c) 2010-2018 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-scripts'
export TEXTDOMAINDIR='@localedir@'

declare -r myver="@PACKAGE_VERSION@"

LIBRARY=${LIBRARY:-'@libmakepkgdir@'}

# Import parseopts.sh
source "$LIBRARY"/util/parseopts.sh

# Options
ADD=0
DELETE=0
EDITKEY=0
EXPORT=0
FINGER=0
IMPORT=0
IMPORT_TRUSTDB=0
INIT=0
KEYSERVER=''
LISTKEYS=0
LISTSIGS=0
LSIGNKEY=0
POPULATE=0
RECEIVE=0
REFRESH=0
UPDATEDB=0
USE_COLOR='y'
VERIFY=0

m4_include(library/output_format.sh)

usage() {
	printf "pacman-key (pacman) %s\n" ${myver}
	echo
	printf -- "$(gettext "Usage: %s [options] operation [targets]")\n" $(basename $0)
	echo
	printf -- "$(gettext "Manage pacman's list of trusted keys")\n"
	echo
	printf -- "$(gettext "Operations:")\n"
	printf -- "$(gettext "  -a, --add                 Add the specified keys (empty for stdin)")\n"
	printf -- "$(gettext "  -d, --delete              Remove the specified keyids")\n"
	printf -- "$(gettext "  -e, --export              Export the specified or all keyids")\n"
	printf -- "$(gettext "  -f, --finger              List fingerprint for specified or all keyids")\n"
	printf -- "$(gettext "  -l, --list-keys           List the specified or all keys")\n"
	printf -- "$(gettext "  -r, --recv-keys           Fetch the specified keyids")\n"
	printf -- "$(gettext "  -u, --updatedb            Update the trustdb of pacman")\n"
	printf -- "$(gettext "  -v, --verify              Verify the file(s) specified by the signature(s)")\n"
	printf -- "$(gettext "  --edit-key                Present a menu for key management task on keyids")\n"
	printf -- "$(gettext "  --import                  Imports pubring.gpg from dir(s)")\n"
	printf -- "$(gettext "  --import-trustdb          Imports ownertrust values from trustdb.gpg in dir(s)")\n"
	printf -- "$(gettext "  --init                    Ensure the keyring is properly initialized")\n"
	printf -- "$(gettext "  --list-sigs               List keys and their signatures")\n"
	printf -- "$(gettext "  --lsign-key               Locally sign the specified keyid")\n"
	printf -- "$(gettext "  --populate                Reload the default keys from the (given) keyrings\n\
                            in '%s'")\n" "@pkgdatadir@/keyrings"
	printf -- "$(gettext "  --refresh-keys            Update specified or all keys from a keyserver")\n"
	echo
	printf -- "$(gettext "Options:")\n"
	printf -- "$(gettext "  --config <file>           Use an alternate config file (instead of\n\
                            '%s')")\n" "@sysconfdir@/pacman.conf"
	printf -- "$(gettext "  --gpgdir <dir>            Set an alternate directory for GnuPG (instead\n\
                            of '%s')")\n" "@sysconfdir@/pacman.d/gnupg"
	printf -- "$(gettext "  --keyserver <server-url>  Specify a keyserver to use if necessary")\n"
	echo
	printf -- "$(gettext "  -h, --help                Show this help message and exit")\n"
	printf -- "$(gettext "  -V, --version             Show program version")\n"
}

version() {
	printf "pacman-key (pacman) %s\n" "${myver}"
	printf -- "Copyright (c) 2010-2018 Pacman Development Team <pacman-dev@archlinux.org>.\n"
	printf '\n'
	printf -- "$(gettext "\
This is free software; see the source for copying conditions.\n\
There is NO WARRANTY, to the extent permitted by law.\n")"
}

# read the config file "$1" which has key=value pairs, and return the key which
# matches "$2". the equals sign between pairs may be surrounded by any amount
# of whitespace. Optionally, "$3" can be specified which is the default value
# when no key is found.
get_from() {
	while IFS='=' read -r key value; do
		[[ -z $key || ${key:0:1} = '#' ]] && continue

		if [[ ${key%% *} = "$2" && -n ${value##* } ]]; then
			echo "${value##* }"
			return 0
		fi
	done < "$1"
	if [[ -n "$3" ]]; then
		printf '%s\n' "$3"
		return 0
	fi
	return 1
}

key_lookup_from_name() {
	local ids

	mapfile -t ids < \
		<("${GPG_PACMAN[@]}" --search-keys --batch --with-colons "$1" 2>/dev/null |
			awk -F: '$1 == "pub" { print $2 }')

	# only return success on non-ambiguous lookup
	case ${#ids[*]} in
		0)
			error "$(gettext "Failed to lookup key by name:") %s" "$name"
			return 1
			;;
		1)
			printf '%s' "${ids[0]}"
			return 0
			;;
		*)
			error "$(gettext "Key name is ambiguous:") %s" "$name"
			return 1
			;;
	esac
}

generate_master_key() {
	# Generate the master key, which will be in both pubring and secring
	"${GPG_PACMAN[@]}" --gen-key --batch <<EOF
%echo Generating pacman keyring master key...
Key-Type: RSA
Key-Length: 2048
Key-Usage: sign
Name-Real: Pacman Keyring Master Key
Name-Email: pacman@localhost
Expire-Date: 0
%no-protection
%commit
%echo Done
EOF
}

secret_keys_available() {
	"${GPG_PACMAN[@]}" -K --with-colons | wc -l
}

# Adds the given gpg.conf option if it is not present in the file.
# Note that if we find it commented out, we won't add the option.
# args: $1 conffile, $2 option-name, $3 (optional) option-value
add_gpg_conf_option() {
	local conffile=$1; shift
	# looking for the option 'bare', only leading spaces or # chars allowed,
	# followed by at least one space and any other text or the end of line.
	if ! grep -q "^[[:space:]#]*$1\([[:space:]].*\)*$" "$conffile" &>/dev/null; then
		printf '%s\n' "$*" >> "$conffile"
	fi
}

check_keyids_exist() {
	local ret=0
	for key in "$@"; do
		# Verify if the key exists in pacman's keyring
		if ! "${GPG_PACMAN[@]}" --list-keys "$key" &>/dev/null ; then
			error "$(gettext "The key identified by %s could not be found locally.")" "$key"
			ret=1
		fi
	done
	if (( ret )); then
		exit 1
	fi
}

initialize() {
	local conffile keyserv
	# Check for simple existence rather than for a directory as someone
	# may want to use a symlink here
	[[ -e ${PACMAN_KEYRING_DIR} ]] || mkdir -p -m 755 "${PACMAN_KEYRING_DIR}"

	# keyring files
	[[ -f ${PACMAN_KEYRING_DIR}/pubring.gpg ]] || touch ${PACMAN_KEYRING_DIR}/pubring.gpg
	[[ -f ${PACMAN_KEYRING_DIR}/secring.gpg ]] || touch ${PACMAN_KEYRING_DIR}/secring.gpg
	[[ -f ${PACMAN_KEYRING_DIR}/trustdb.gpg ]] || "${GPG_PACMAN[@]}" --update-trustdb
	chmod 644 ${PACMAN_KEYRING_DIR}/{pubring,trustdb}.gpg
	chmod 600 ${PACMAN_KEYRING_DIR}/secring.gpg

	# gpg.conf
	conffile="${PACMAN_KEYRING_DIR}/gpg.conf"
	[[ -f $conffile ]] || touch "$conffile"
	chmod 644 "$conffile"
	add_gpg_conf_option "$conffile" 'no-greeting'
	add_gpg_conf_option "$conffile" 'no-permission-warning'
	add_gpg_conf_option "$conffile" 'lock-never'
	add_gpg_conf_option "$conffile" 'keyserver-options' 'timeout=10'

	# gpg-agent.conf
	agent_conffile="${PACMAN_KEYRING_DIR}/gpg-agent.conf"
	[[ -f $agent_conffile ]] || touch "$agent_conffile"
	chmod 644 "$agent_conffile"
	add_gpg_conf_option "$agent_conffile" 'disable-scdaemon'

	# set up a private signing key (if none available)
	if [[ $(secret_keys_available) -lt 1 ]]; then
		generate_master_key
		UPDATEDB=1
	fi
}

check_keyring() {
	if [[ ! -r ${PACMAN_KEYRING_DIR}/pubring.gpg || \
			! -r ${PACMAN_KEYRING_DIR}/trustdb.gpg ]]; then
		error "$(gettext "You do not have sufficient permissions to read the %s keyring.")" "pacman"
		msg "$(gettext "Use '%s' to correct the keyring permissions.")" "pacman-key --init"
		exit 1
	fi

	if (( (EXPORT || FINGER || LIST || VERIFY) && EUID != 0 )); then
		if ! grep -q "^[[:space:]]*lock-never[[:space:]]*$" ${PACMAN_KEYRING_DIR}/gpg.conf &>/dev/null; then
			error "$(gettext "You do not have sufficient permissions to run this command.")"
			msg "$(gettext "Use '%s' to correct the keyring permissions.")" "pacman-key --init"
			exit 1
		fi
	fi

	if (( LSIGNKEY )); then
		if [[ $(secret_keys_available) -lt 1 ]]; then
			error "$(gettext "There is no secret key available to sign with.")"
			msg "$(gettext "Use '%s' to generate a default secret key.")" "pacman-key --init"
			exit 1
		fi
	fi
}

populate_keyring() {
	local KEYRING_IMPORT_DIR='@pkgdatadir@/keyrings'

	local keyring KEYRINGIDS=("$@")
	local ret=0
	if (( ${#KEYRINGIDS[*]} == 0 )); then
		# get list of all available keyrings
		shopt -s nullglob
		KEYRINGIDS=("$KEYRING_IMPORT_DIR"/*.gpg)
		shopt -u nullglob
		KEYRINGIDS=("${KEYRINGIDS[@]##*/}")
		KEYRINGIDS=("${KEYRINGIDS[@]%.gpg}")
		if (( ${#KEYRINGIDS[*]} == 0 )); then
			error "$(gettext "No keyring files exist in %s.")" "$KEYRING_IMPORT_DIR"
			ret=1
		fi
	else
		# verify listed keyrings exist
		for keyring in "${KEYRINGIDS[@]}"; do
			if [[ ! -f "$KEYRING_IMPORT_DIR/$keyring.gpg" ]]; then
				error "$(gettext "The keyring file %s does not exist.")" "$KEYRING_IMPORT_DIR/$keyring.gpg"
				ret=1
			fi
		done
	fi

	if (( ret )); then
		exit 1
	fi

	# Variable used for iterating on keyrings
	local keys key_id

	# Add keys from requested keyrings
	for keyring in "${KEYRINGIDS[@]}"; do
		msg "$(gettext "Appending keys from %s.gpg...")" "$keyring"
		"${GPG_PACMAN[@]}" --quiet --import "${KEYRING_IMPORT_DIR}/${keyring}.gpg"
	done

	# Read the trusted key IDs to an array. Because this is an ownertrust
	# file, we know we have the full 40 hex digit fingerprint values.
	# Format of ownertrust dump file:
	#  40CHARFINGERPRINTXXXXXXXXXXXXXXXXXXXXXXX:6:
	#  40CHARFINGERPRINTXXXXXXXXXXXXXXXXXXXXXXX:5:
	local -A trusted_ids
	for keyring in "${KEYRINGIDS[@]}"; do
		if [[ -s "${KEYRING_IMPORT_DIR}/${keyring}-trusted" ]]; then
			while IFS=: read key_id _; do
				# skip blank lines, comments; these are valid in this file
				[[ -z $key_id || ${key_id:0:1} = \# ]] && continue

				# Mark this key to be lsigned
				trusted_ids[$key_id]=$keyring
			done < "${KEYRING_IMPORT_DIR}/${keyring}-trusted"
		fi
	done

	if (( ${#trusted_ids[@]} > 0 )); then
		msg "$(gettext "Locally signing trusted keys in keyring...")"
		lsign_keys "${!trusted_ids[@]}"
		msg "$(gettext "Importing owner trust values...")"
		for keyring in "${KEYRINGIDS[@]}"; do
			if [[ -s "${KEYRING_IMPORT_DIR}/${keyring}-trusted" ]]; then
				"${GPG_PACMAN[@]}" --import-ownertrust "${KEYRING_IMPORT_DIR}/${keyring}-trusted"
			fi
		done
	fi

	local -A revoked_ids
	for keyring in "${KEYRINGIDS[@]}"; do
		if [[ -s $KEYRING_IMPORT_DIR/$keyring-revoked ]]; then
			while read -r key_id; do
				revoked_ids["$key_id"]=1
			done <"$KEYRING_IMPORT_DIR/$keyring-revoked"
		fi
	done

	if (( ${#revoked_ids[@]} > 0 )); then
		msg "$(gettext "Disabling revoked keys in keyring...")"
		for key_id in "${!revoked_ids[@]}"; do
			msg2 "$(gettext "Disabling key %s...")" "${key_id}"
			printf 'disable\nquit\n' | LANG=C "${GPG_PACMAN[@]}" --command-fd 0 --quiet --batch --edit-key "${key_id}" 2>/dev/null
		done
	fi
}

add_keys() {
	if ! "${GPG_PACMAN[@]}" --quiet --batch --import "$@" ; then
		error "$(gettext "A specified keyfile could not be added to the keyring.")"
		exit 1
	fi
}

delete_keys() {
	check_keyids_exist "$@"
	if ! "${GPG_PACMAN[@]}" --quiet --batch --delete-key --yes "$@" ; then
		error "$(gettext "A specified key could not be removed from the keyring.")"
		exit 1
	fi
}

edit_keys() {
	check_keyids_exist "$@"
	local ret=0
	for key in "$@"; do
		if ! "${GPG_PACMAN[@]}" --edit-key "$key" ; then
			error "$(gettext "The key identified by %s could not be edited.")" "$key"
			ret=1
		fi
	done
	if (( ret )); then
		exit 1
	fi
}

export_keys() {
	check_keyids_exist "$@"
	if ! "${GPG_PACMAN[@]}" --armor --export "$@" ; then
		error "$(gettext "A specified key could not be exported from the keyring.")"
		exit 1
	fi
}

finger_keys() {
	check_keyids_exist
	if ! "${GPG_PACMAN[@]}" --batch --fingerprint "$@" ; then
		error "$(gettext "The fingerprint of a specified key could not be determined.")"
		exit 1
	fi
}

import_trustdb() {
	local importdir
	local ret=0
	for importdir in "$@"; do
		if [[ -f "${importdir}/trustdb.gpg" ]]; then
			gpg --homedir "${importdir}" --export-ownertrust | \
				"${GPG_PACMAN[@]}" --import-ownertrust -
			if (( PIPESTATUS )); then
				error "$(gettext "%s could not be imported.")" "${importdir}/trustdb.gpg"
				ret=1
			fi
		else
			error "$(gettext "File %s does not exist and could not be imported.")" "${importdir}/trustdb.gpg"
			ret=1
		fi
	done
	if (( ret )); then
		exit 1
	fi
}

import() {
	local importdir
	local ret=0
	for importdir in "$@"; do
		if [[ -f "${importdir}/pubring.gpg" ]]; then
			if ! "${GPG_PACMAN[@]}" --quiet --batch --import "${importdir}/pubring.gpg" ; then
				error "$(gettext "%s could not be imported.")" "${importdir}/pubring.gpg"
				ret=1
			fi
		else
			error "$(gettext "File %s does not exist and could not be imported.")" "${importdir}/pubring.gpg"
			ret=1
		fi
	done
	if (( ret )); then
		exit 1
	fi
}

list_keys() {
	check_keyids_exist
	if ! "${GPG_PACMAN[@]}" --batch --list-keys "$@" ; then
		error "$(gettext "A specified key could not be listed.")"
		exit 1
	fi
}

list_sigs() {
	check_keyids_exist
	if ! "${GPG_PACMAN[@]}" --batch --list-sigs "$@" ; then
		error "$(gettext "A specified signature could not be listed.")"
		exit 1
	fi
}

lsign_keys() {
	check_keyids_exist

	local ret=0
	for key_id in "$@"; do
		msg2 "$(gettext "Locally signing key %s...")" "${key_id}"
		# we cannot use --yes here as gpg would still ask for confirmation if a key has more than one uid
		printf 'y\ny\n' | LANG=C "${GPG_PACMAN[@]}" --command-fd 0 --quiet --batch --lsign-key "${key_id}" 2>/dev/null
		if (( PIPESTATUS[1] )); then
			error "$(gettext "%s could not be locally signed.")" "${key_id}"
			ret=1
		fi
	done

	if (( ret )); then
		exit 1
	fi
}

receive_keys() {
	local name id keyids

	# if the key is not a hex ID, do a lookup
	for name; do
		if [[ $name = ?(0x)+([0-9a-fA-F]) ]]; then
			keyids+=("$name")
		else
			if id=$(key_lookup_from_name "$name"); then
				keyids+=("$id")
			fi
		fi
	done

	(( ${#keyids[*]} > 0 )) || exit 1

	if ! "${GPG_PACMAN[@]}" --recv-keys "${keyids[@]}" ; then
		error "$(gettext "Remote key not fetched correctly from keyserver.")"
		exit 1
	fi
}

refresh_keys() {
	check_keyids_exist "$@"
	if ! "${GPG_PACMAN[@]}" --refresh-keys "$@" ; then
		error "$(gettext "A specified local key could not be updated from a keyserver.")"
		exit 1
	fi
}

verify_sig() {
	local ret=0
	for sig; do
		msg "Checking %s..." "$sig"
		if grep -q 'BEGIN PGP SIGNATURE' "$sig"; then
			error "$(gettext "Cannot use armored signatures for packages: %s")" "$sig"
			return 1
		fi
		if ! "${GPG_PACMAN[@]}" --status-fd 1 --verify "$sig" | grep -qE '^\[GNUPG:\] TRUST_(FULLY|ULTIMATE).*$'; then
			error "$(gettext "The signature identified by %s could not be verified.")" "$sig"
			ret=1
		fi
	done
	exit $ret
}

updatedb() {
	msg "$(gettext "Updating trust database...")"
	if ! "${GPG_PACMAN[@]}" --batch --check-trustdb ; then
		error "$(gettext "Trust database could not be updated.")"
		exit 1
	fi
}

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

OPT_SHORT="adefhlruvV"
OPT_LONG=('add' 'config:' 'delete' 'edit-key' 'export' 'finger' 'gpgdir:'
          'help' 'import' 'import-trustdb' 'init' 'keyserver:' 'list-keys' 'list-sigs'
          'lsign-key' 'nocolor' 'populate' 'recv-keys' 'refresh-keys' 'updatedb'
          'verify' 'version')
if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then
	exit 1 # E_INVALID_OPTION
fi
set -- "${OPTRET[@]}"
unset OPT_SHORT OPT_LONG OPTRET

if [[ $1 == "--" ]]; then
	usage
	exit 0
fi

while (( $# )); do
	case $1 in
		-a|--add)         ADD=1 UPDATEDB=1 ;;
		--config)         shift; CONFIG=$1 ;;
		-d|--delete)      DELETE=1 UPDATEDB=1 ;;
		--edit-key)       EDITKEY=1 UPDATEDB=1 ;;
		-e|--export)      EXPORT=1 ;;
		-f|--finger)      FINGER=1 ;;
		--gpgdir)         shift; PACMAN_KEYRING_DIR=$1 ;;
		--import)         IMPORT=1 UPDATEDB=1 ;;
		--import-trustdb) IMPORT_TRUSTDB=1 UPDATEDB=1 ;;
		--init)           INIT=1 ;;
		--keyserver)      shift; KEYSERVER=$1 ;;
		-l|--list-keys)   LISTKEYS=1 ;;
		--list-sigs)      LISTSIGS=1 ;;
		--lsign-key)      LSIGNKEY=1 UPDATEDB=1 ;;
		--nocolor)        USE_COLOR='n';;
		--populate)       POPULATE=1 UPDATEDB=1 ;;
		-r|--recv-keys)   RECEIVE=1 UPDATEDB=1 ;;
		--refresh-keys)   REFRESH=1 ;;
		-u|--updatedb)    UPDATEDB=1 ;;
		-v|--verify)      VERIFY=1 ;;

		-h|--help)        usage; exit 0 ;;
		-V|--version)     version; exit 0 ;;

		--)               shift; break ;;
	esac
	shift
done

m4_include(library/term_colors.sh)

if ! type -p gpg >/dev/null; then
	error "$(gettext "Cannot find the %s binary required for all %s operations.")" "gpg" "pacman-key"
	exit 1
fi

if (( (ADD || DELETE || EDITKEY || IMPORT || IMPORT_TRUSTDB || INIT || LSIGNKEY || POPULATE || RECEIVE || REFRESH || UPDATEDB) && EUID != 0 )); then
	error "$(gettext "%s needs to be run as root for this operation.")" "pacman-key"
	exit 1
fi

CONFIG=${CONFIG:-@sysconfdir@/pacman.conf}
if [[ ! -r "${CONFIG}" ]]; then
	error "$(gettext "%s configuration file '%s' not found.")" "pacman" "$CONFIG"
	exit 1
fi

# if PACMAN_KEYRING_DIR isn't assigned, try to get it from the config
# file, falling back on a hard default
PACMAN_KEYRING_DIR=${PACMAN_KEYRING_DIR:-$(pacman-conf --config="$CONFIG" gpgdir)}

GPG_PACMAN=(gpg --homedir "${PACMAN_KEYRING_DIR}" --no-permission-warning)
if [[ -n ${KEYSERVER} ]]; then
	GPG_PACMAN+=(--keyserver "${KEYSERVER}")
fi

# check only a single operation has been given
# don't include UPDATEDB in here as other opts can induce it
numopt=$(( ADD + DELETE + EDITKEY + EXPORT + FINGER + IMPORT + IMPORT_TRUSTDB +
		INIT + LISTKEYS + LISTSIGS + LSIGNKEY + POPULATE + RECEIVE + REFRESH + VERIFY ))

case $numopt in
	0)
		if (( ! UPDATEDB )); then
			error "$(gettext "no operation specified (use -h for help)")"
			exit 1
		fi
		;;
	[!1])
		error "$(gettext "Multiple operations specified.")"
		msg "$(gettext "Please run %s with each operation separately.")" "pacman-key"
		exit 1
		;;
esac

# check for targets where needed
if (( (ADD || DELETE || EDIT || IMPORT || IMPORT_TRUSTDB ||
		LSIGNKEY || RECEIVE || VERIFY) && $# == 0 )); then
	error "$(gettext "No targets specified")"
	exit 1
fi

(( ! INIT )) && check_keyring

(( ADD )) && add_keys "$@"
(( DELETE )) && delete_keys "$@"
(( EDITKEY )) && edit_keys "$@"
(( EXPORT )) && export_keys "$@"
(( FINGER )) && finger_keys "$@"
(( IMPORT )) && import "$@"
(( IMPORT_TRUSTDB)) && import_trustdb "$@"
(( INIT )) && initialize
(( LISTKEYS )) && list_keys "$@"
(( LISTSIGS )) && list_sigs "$@"
(( LSIGNKEY )) && lsign_keys "$@"
(( POPULATE )) && populate_keyring "$@"
(( RECEIVE )) && receive_keys "$@"
(( REFRESH )) && refresh_keys "$@"
(( VERIFY )) && verify_sig "$@"

(( UPDATEDB )) && updatedb

exit 0