scripts/pacman-key.sh.in

   1 #!/bin/bash
   2 #
   3 #   pacman-key - manages pacman's keyring
   4 #                Based on apt-key, from Debian
   5 #   @configure_input@
   6 #
   7 #   Copyright (c) 2010-2012 Pacman Development Team <pacman-dev@archlinux.org>
   8 #
   9 #   This program is free software; you can redistribute it and/or modify
  10 #   it under the terms of the GNU General Public License as published by
  11 #   the Free Software Foundation; either version 2 of the License, or
  12 #   (at your option) any later version.
  13 #
  14 #   This program is distributed in the hope that it will be useful,
  15 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 #   GNU General Public License for more details.
  18 #
  19 #   You should have received a copy of the GNU General Public License
  20 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 #
  22
  23 # gettext initialization
  24 export TEXTDOMAIN='pacman-scripts'
  25 export TEXTDOMAINDIR='@localedir@'
  26
  27 declare -r myver="@PACKAGE_VERSION@"
  28
  29 # Options
  30 ADD=0
  31 DELETE=0
  32 EDITKEY=0
  33 EXPORT=0
  34 FINGER=0
  35 IMPORT=0
  36 IMPORT_TRUSTDB=0
  37 INIT=0
  38 KEYSERVER=''
  39 LISTKEYS=0
  40 LISTSIGS=0
  41 LSIGNKEY=0
  42 POPULATE=0
  43 RECEIVE=0
  44 REFRESH=0
  45 UPDATEDB=0
  46 VERIFY=0
  47
  48 DEFAULT_KEYSERVER='hkp://pool.sks-keyservers.net'
  49
  50 m4_include(library/output_format.sh)
  51
  52 m4_include(library/parse_options.sh)
  53
  54 usage() {
  55         printf "pacman-key (pacman) %s\n" ${myver}
  56         echo
  57         printf -- "$(gettext "Usage: %s [options]")\n" $(basename $0)
  58         echo
  59         printf -- "$(gettext "Manage pacman's list of trusted keys")\n"
  60         echo
  61         printf -- "$(gettext "Options:")\n"
  62         printf -- "$(gettext "  -a, --add [file(s)]       Add the specified keys (empty for stdin)")\n"
  63         printf -- "$(gettext "  -d, --delete <keyid(s)>   Remove the specified keyids")\n"
  64         printf -- "$(gettext "  -e, --export [keyid(s)]   Export the specified or all keyids")\n"
  65         printf -- "$(gettext "  -f, --finger [keyid(s)]   List fingerprint for specified or all keyids")\n"
  66         printf -- "$(gettext "  -h, --help                Show this help message and exit")\n"
  67         printf -- "$(gettext "  -l, --list-keys [keyid(s)] List the specified or all keys")\n"
  68         printf -- "$(gettext "  -r, --recv-keys <keyid(s)> Fetch the specified keyids")\n"
  69         printf -- "$(gettext "  -u, --updatedb            Update the trustdb of pacman")\n"
  70         printf -- "$(gettext "  -v, --verify <signature>  Verify the file specified by the signature")\n"
  71         printf -- "$(gettext "  -V, --version             Show program version")\n"
  72         printf -- "$(gettext "  --config <file>           Use an alternate config file (instead of\n\
  73                             '%s')")\n" "@sysconfdir@/pacman.conf"
  74         printf -- "$(gettext "  --edit-key <keyid(s)>     Present a menu for key management task on keyids")\n"
  75         printf -- "$(gettext "  --gpgdir <dir>            Set an alternate directory for GnuPG (instead\n\
  76                             of '%s')")\n" "@sysconfdir@/pacman.d/gnupg"
  77         printf -- "$(gettext "  --import <dir(s)>         Imports pubring.gpg from dir(s)")\n"
  78         printf -- "$(gettext "  --import-trustdb <dir(s)> Imports ownertrust values from trustdb.gpg in dir(s)")\n"
  79         printf -- "$(gettext "  --init                    Ensure the keyring is properly initialized")\n"
  80         printf -- "$(gettext "  --keyserver               Specify a keyserver to use if necessary")\n"
  81         printf -- "$(gettext "  --list-sigs [keyid(s)]    List keys and their signatures")\n"
  82         printf -- "$(gettext "  --lsign-key <keyid>       Locally sign the specified keyid")\n"
  83         printf -- "$(gettext "  --populate [keyring(s)]   Reload the default keys from the (given) keyrings\n\
  84                             in '%s'")\n" "@pkgdatadir@/keyrings"
  85         printf -- "$(gettext "  --refresh-keys [keyid(s)] Update specified or all keys from a keyserver")\n"
  86 }
  87
  88 version() {
  89         printf "pacman-key (pacman) %s\n" "${myver}"
  90         printf -- "$(gettext "\
  91 Copyright (c) 2010-2012 Pacman Development Team <pacman-dev@archlinux.org>.\n\
  92 This is free software; see the source for copying conditions.\n\
  93 There is NO WARRANTY, to the extent permitted by law.\n")"
  94 }
  95
  96 # read the config file "$1" which has key=value pairs, and return the key which
  97 # matches "$2". the equals sign between pairs may be surrounded by any amount
  98 # of whitespace. Optionally, "$3" can be specified which is the default value
  99 # when no key is found.
 100 get_from() {
 101         while IFS='=' read -r key value; do
 102                 [[ -z $key || ${key:0:1} = '#' ]] && continue
 103
 104                 if [[ ${key%% *} = "$2" && -n ${value##* } ]]; then
 105                         echo "${value##* }"
 106                         return 0
 107                 fi
 108         done < "$1"
 109         if [[ -n "$3" ]]; then
 110                 printf '%s\n' "$3"
 111                 return 0
 112         fi
 113         return 1
 114 }
 115
 116 generate_master_key() {
 117         # Generate the master key, which will be in both pubring and secring
 118         "${GPG_PACMAN[@]}" --gen-key --batch <<EOF
 119 %echo Generating pacman keychain master key...
 120 Key-Type: RSA
 121 Key-Length: 2048
 122 Key-Usage: sign
 123 Name-Real: Pacman Keychain Master Key
 124 Name-Email: pacman@localhost
 125 Expire-Date: 0
 126 %commit
 127 %echo Done
 128 EOF
 129 }
 130
 131 secret_keys_available() {
 132         "${GPG_PACMAN[@]}" -K --with-colons | wc -l
 133 }
 134
 135 # Adds the given gpg.conf option if it is not present in the file.
 136 # Note that if we find it commented out, we won't add the option.
 137 # args: $1 conffile, $2 option-name, $3 (optional) option-value
 138 add_gpg_conf_option() {
 139         local conffile=$1; shift
 140         # looking for the option 'bare', only leading spaces or # chars allowed,
 141         # followed by at least one space and any other text or the end of line.
 142         if ! grep -q "^[[:space:]#]*$1\([[:space:]].*\)*$" "$conffile" &>/dev/null; then
 143                 printf '%s\n' "$*" >> "$conffile"
 144         fi
 145 }
 146
 147 check_keyids_exist() {
 148         local ret=0
 149         for key in "${KEYIDS[@]}"; do
 150                 # Verify if the key exists in pacman's keyring
 151                 if ! "${GPG_PACMAN[@]}" --list-keys "$key" &>/dev/null ; then
 152                         error "$(gettext "The key identified by %s could not be found locally.")" "$key"
 153                         ret=1
 154                 fi
 155         done
 156         if (( ret )); then
 157                 exit 1
 158         fi
 159 }
 160
 161 initialize() {
 162         local conffile keyserv
 163         # Check for simple existence rather than for a directory as someone
 164         # may want to use a symlink here
 165         [[ -e ${PACMAN_KEYRING_DIR} ]] || mkdir -p -m 755 "${PACMAN_KEYRING_DIR}"
 166
 167         # keyring files
 168         [[ -f ${PACMAN_KEYRING_DIR}/pubring.gpg ]] || touch ${PACMAN_KEYRING_DIR}/pubring.gpg
 169         [[ -f ${PACMAN_KEYRING_DIR}/secring.gpg ]] || touch ${PACMAN_KEYRING_DIR}/secring.gpg
 170         [[ -f ${PACMAN_KEYRING_DIR}/trustdb.gpg ]] || "${GPG_PACMAN[@]}" --update-trustdb
 171         chmod 644 ${PACMAN_KEYRING_DIR}/{pubring,trustdb}.gpg
 172         chmod 600 ${PACMAN_KEYRING_DIR}/secring.gpg
 173
 174         # gpg.conf
 175         conffile="${PACMAN_KEYRING_DIR}/gpg.conf"
 176         [[ -f $conffile ]] || touch "$conffile"
 177         chmod 644 "$conffile"
 178         add_gpg_conf_option "$conffile" 'no-greeting'
 179         add_gpg_conf_option "$conffile" 'no-permission-warning'
 180         add_gpg_conf_option "$conffile" 'lock-never'
 181         keyserv=${KEYSERVER:-$DEFAULT_KEYSERVER}
 182         add_gpg_conf_option "$conffile" 'keyserver' "$keyserv"
 183         add_gpg_conf_option "$conffile" 'keyserver-options' 'timeout=10'
 184
 185         # set up a private signing key (if none available)
 186         if [[ $(secret_keys_available) -lt 1 ]]; then
 187                 generate_master_key
 188                 UPDATEDB=1
 189         fi
 190 }
 191
 192 check_keyring() {
 193         if [[ ! -r ${PACMAN_KEYRING_DIR}/pubring.gpg || \
 194                         ! -r ${PACMAN_KEYRING_DIR}/trustdb.gpg ]]; then
 195                 error "$(gettext "You do not have sufficient permissions to read the %s keyring.")" "pacman"
 196                 msg "$(gettext "Use '%s' to correct the keyring permissions.")" "pacman-key --init"
 197                 exit 1
 198         fi
 199
 200         if (( (EXPORT || FINGER || LIST || VERIFY) && EUID != 0 )); then
 201                 if ! grep -q "^[[:space:]]*lock-never[[:space:]]*$" ${PACMAN_KEYRING_DIR}/gpg.conf &>/dev/null; then
 202                         error "$(gettext "You do not have sufficient permissions to run this command.")"
 203                         msg "$(gettext "Use '%s' to correct the keyring permissions.")" "pacman-key --init"
 204                         exit 1
 205                 fi
 206         fi
 207
 208         if (( LSIGNKEY )); then
 209                 if [[ $(secret_keys_available) -lt 1 ]]; then
 210                         error "$(gettext "There is no secret key available to sign with.")"
 211                         msg "$(gettext "Use '%s' to generate a default secret key.")" "pacman-key --init"
 212                         exit 1
 213                 fi
 214         fi
 215 }
 216
 217 populate_keyring() {
 218         local KEYRING_IMPORT_DIR='@pkgdatadir@/keyrings'
 219
 220         local keyring
 221         local ret=0
 222         if [[ -z ${KEYRINGIDS[@]} ]]; then
 223                 # get list of all available keyrings
 224                 shopt -s nullglob
 225                 KEYRINGIDS=("$KEYRING_IMPORT_DIR"/*.gpg)
 226                 shopt -u nullglob
 227                 KEYRINGIDS=("${KEYRINGIDS[@]##*/}")
 228                 KEYRINGIDS=("${KEYRINGIDS[@]%.gpg}")
 229                 if [[ -z ${KEYRINGIDS[@]} ]]; then
 230                         error "$(gettext "No keyring files exist in %s.")" "$KEYRING_IMPORT_DIR"
 231                         ret=1
 232                 fi
 233         else
 234                 # verify listed keyrings exist
 235                 for keyring in "${KEYRINGIDS[@]}"; do
 236                         if [[ ! -f "$KEYRING_IMPORT_DIR/$keyring.gpg" ]]; then
 237                                 error "$(gettext "The keyring file %s does not exist.")" "$KEYRING_IMPORT_DIR/$keyring.gpg"
 238                                 ret=1
 239                         fi
 240                 done
 241         fi
 242
 243         if (( ret )); then
 244                 exit 1
 245         fi
 246
 247         # Variable used for iterating on keyrings
 248         local keys key_id
 249
 250         # Add keys from requested keyrings
 251         for keyring in "${KEYRINGIDS[@]}"; do
 252                 msg "$(gettext "Appending keys from %s.gpg...")" "$keyring"
 253                 "${GPG_PACMAN[@]}" --import "${KEYRING_IMPORT_DIR}/${keyring}.gpg"
 254         done
 255
 256         # Read the trusted key IDs to an array. Because this is an ownertrust
 257         # file, we know we have the full 40 hex digit fingerprint values.
 258         # Format of ownertrust dump file:
 259         #  40CHARFINGERPRINTXXXXXXXXXXXXXXXXXXXXXXX:6:
 260         #  40CHARFINGERPRINTXXXXXXXXXXXXXXXXXXXXXXX:5:
 261         local -A trusted_ids
 262         for keyring in "${KEYRINGIDS[@]}"; do
 263                 if [[ -f "${KEYRING_IMPORT_DIR}/${keyring}-trusted" ]]; then
 264                         while IFS=: read key_id _; do
 265                                 # skip blank lines, comments; these are valid in this file
 266                                 [[ -z $key_id || ${key_id:0:1} = \# ]] && continue
 267
 268                                 # Mark this key to be lsigned
 269                                 trusted_ids[$key_id]=$keyring
 270                         done < "${KEYRING_IMPORT_DIR}/${keyring}-trusted"
 271                 fi
 272         done
 273
 274         if (( ${#trusted_ids[@]} > 0 )); then
 275                 msg "$(gettext "Locally signing trusted keys in keyring...")"
 276                 for key_id in "${!trusted_ids[@]}"; do
 277                         msg2 "$(gettext "Locally signing key %s...")" "${key_id}"
 278                         "${GPG_PACMAN[@]}" --quiet --lsign-key "${key_id}"
 279                 done
 280                 msg "$(gettext "Importing owner trust values...")"
 281                 for keyring in "${KEYRINGIDS[@]}"; do
 282                         if [[ -f "${KEYRING_IMPORT_DIR}/${keyring}-trusted" ]]; then
 283                                 "${GPG_PACMAN[@]}" --import-ownertrust "${KEYRING_IMPORT_DIR}/${keyring}-trusted"
 284                         fi
 285                 done
 286         fi
 287
 288         # Read the revoked key IDs to an array. The conversion from whatever is
 289         # inside the file to key ids is important, because key ids are the only
 290         # guarantee of identification for the keys.
 291         local -A revoked_ids
 292         for keyring in "${KEYRINGIDS[@]}"; do
 293                 if [[ -f "${KEYRING_IMPORT_DIR}/${keyring}-revoked" ]]; then
 294                         IFS=$'\n' read -r -d '' -a keys < "${KEYRING_IMPORT_DIR}/${keyring}-revoked"
 295                         while IFS=: read _ _ _ _ key_id _; do
 296                                 if [[ -n $key_id ]]; then
 297                                         # Mark this key to be disabled
 298                                         revoked_ids[$key_id]="${keyring}"
 299                                 fi
 300                         done < <("${GPG_PACMAN[@]}" --quiet --with-colons --list-keys "${keys[@]}" 2>/dev/null)
 301                 fi
 302         done
 303
 304         if (( ${#revoked_ids[@]} > 0 )); then
 305                 msg "$(gettext "Disabling revoked keys in keyring...")"
 306                 for key_id in "${!revoked_ids[@]}"; do
 307                         msg2 "$(gettext "Disabling key %s...")" "${key_id}"
 308                         printf 'disable\nquit\n' | LANG=C "${GPG_PACMAN[@]}" --command-fd 0 --quiet --batch --edit-key "${key_id}" 2>/dev/null
 309                 done
 310         fi
 311 }
 312
 313 add_keys() {
 314         if ! "${GPG_PACMAN[@]}" --quiet --batch --import "${KEYFILES[@]}" ; then
 315                 error "$(gettext "A specified keyfile could not be added to the gpg keychain.")"
 316                 exit 1
 317         fi
 318 }
 319
 320 delete_keys() {
 321         check_keyids_exist
 322         if ! "${GPG_PACMAN[@]}" --quiet --batch --delete-key --yes "${KEYIDS[@]}" ; then
 323                 error "$(gettext "A specified key could not be removed from the gpg keychain.")"
 324                 exit 1
 325         fi
 326 }
 327
 328 edit_keys() {
 329         check_keyids_exist
 330         local ret=0
 331         for key in "${KEYIDS[@]}"; do
 332                 if ! "${GPG_PACMAN[@]}" --edit-key "$key" ; then
 333                         error "$(gettext "The key identified by %s could not be edited.")" "$key"
 334                         ret=1
 335                 fi
 336         done
 337         if (( ret )); then
 338                 exit 1
 339         fi
 340 }
 341
 342 export_keys() {
 343         check_keyids_exist
 344         if ! "${GPG_PACMAN[@]}" --armor --export "${KEYIDS[@]}" ; then
 345                 error "$(gettext "A specified key could not be exported from the gpg keychain.")"
 346                 exit 1
 347         fi
 348 }
 349
 350 finger_keys() {
 351         check_keyids_exist
 352         if ! "${GPG_PACMAN[@]}" --batch --fingerprint "${KEYIDS[@]}" ; then
 353                 error "$(gettext "The fingerprint of a specified key could not be determined.")"
 354                 exit 1
 355         fi
 356 }
 357
 358 import_trustdb() {
 359         local importdir
 360         local ret=0
 361         for importdir in "${IMPORT_DIRS[@]}"; do
 362                 if [[ -f "${importdir}/trustdb.gpg" ]]; then
 363                         gpg --homedir "${importdir}" --export-ownertrust | \
 364                                 "${GPG_PACMAN[@]}" --import-ownertrust -
 365                         if (( PIPESTATUS )); then
 366                                 error "$(gettext "%s could not be imported.")" "${importdir}/trustdb.gpg"
 367                                 ret=1
 368                         fi
 369                 else
 370                         error "$(gettext "File %s does not exist and could not be imported.")" "${importdir}/trustdb.gpg"
 371                         ret=1
 372                 fi
 373         done
 374         if (( ret )); then
 375                 exit 1
 376         fi
 377 }
 378
 379 import() {
 380         local importdir
 381         local ret=0
 382         for importdir in "${IMPORT_DIRS[@]}"; do
 383                 if [[ -f "${importdir}/pubring.gpg" ]]; then
 384                         if ! "${GPG_PACMAN[@]}" --quiet --batch --import "${importdir}/pubring.gpg" ; then
 385                                 error "$(gettext "%s could not be imported.")" "${importdir}/pubring.gpg"
 386                                 ret=1
 387                         fi
 388                 else
 389                         error "$(gettext "File %s does not exist and could not be imported.")" "${importdir}/pubring.gpg"
 390                         ret=1
 391                 fi
 392         done
 393         if (( ret )); then
 394                 exit 1
 395         fi
 396 }
 397
 398 list_keys() {
 399         check_keyids_exist
 400         if ! "${GPG_PACMAN[@]}" --batch --list-keys "${KEYIDS[@]}" ; then
 401                 error "$(gettext "A specified key could not be listed.")"
 402                 exit 1
 403         fi
 404 }
 405
 406 list_sigs() {
 407         check_keyids_exist
 408         if ! "${GPG_PACMAN[@]}" --batch --list-sigs "${KEYIDS[@]}" ; then
 409                 error "$(gettext "A specified signature could not be listed.")"
 410                 exit 1
 411         fi
 412 }
 413
 414 lsign_keys() {
 415         check_keyids_exist
 416         printf 'y\ny\n' | LANG=C "${GPG_PACMAN[@]}" --command-fd 0 --quiet --batch --lsign-key "${KEYIDS[@]}" 2>/dev/null
 417         if (( PIPESTATUS[1] )); then
 418                 error "$(gettext "A specified key could not be locally signed.")"
 419                 exit 1
 420         fi
 421 }
 422
 423 receive_keys() {
 424         if ! "${GPG_PACMAN[@]}" --recv-keys "${KEYIDS[@]}" ; then
 425                 error "$(gettext "Remote key not fetched correctly from keyserver.")"
 426                 exit 1
 427         fi
 428 }
 429
 430 refresh_keys() {
 431         check_keyids_exist
 432         if ! "${GPG_PACMAN[@]}" --refresh-keys "${KEYIDS[@]}" ; then
 433                 error "$(gettext "A specified local key could not be updated from a keyserver.")"
 434                 exit 1
 435         fi
 436 }
 437
 438 verify_sig() {
 439         local fd="$(mktemp)"
 440         "${GPG_PACMAN[@]}" --status-file "${fd}" --verify $SIGNATURE
 441         if ! grep -q TRUST_FULLY "${fd}"; then
 442                 rm -f "${fd}"
 443                 error "$(gettext "The signature identified by %s could not be verified.")" "$SIGNATURE"
 444                 exit 1
 445         fi
 446         rm -f "${fd}"
 447 }
 448
 449 updatedb() {
 450         msg "$(gettext "Updating trust database...")"
 451         if ! "${GPG_PACMAN[@]}" --batch --check-trustdb ; then
 452                 error "$(gettext "Trust database could not be updated.")"
 453                 exit 1
 454         fi
 455 }
 456
 457 # PROGRAM START
 458 if ! type gettext &>/dev/null; then
 459         gettext() {
 460                 echo "$@"
 461         }
 462 fi
 463
 464 OPT_SHORT="a::d:e::f::hl::r:uv:V"
 465 OPT_LONG="add::,config:,delete:,edit-key:,export::,finger::,gpgdir:"
 466 OPT_LONG+=",help,import:,import-trustdb:,init,keyserver:,list-keys::,list-sigs::"
 467 OPT_LONG+=",lsign-key:,populate::,recv-keys:,refresh-keys::,updatedb"
 468 OPT_LONG+=",verify:,version"
 469 if ! OPT_TEMP="$(parse_options $OPT_SHORT $OPT_LONG "$@")"; then
 470         echo; usage; exit 1 # E_INVALID_OPTION;
 471 fi
 472 eval set -- "$OPT_TEMP"
 473 unset OPT_SHORT OPT_LONG OPT_TEMP
 474
 475 if [[ $1 == "--" ]]; then
 476         usage;
 477         exit 0;
 478 fi
 479
 480 while true; do
 481         case "$1" in
 482                 -a|--add)         ADD=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYFILES=($1); UPDATEDB=1 ;;
 483                 --config)         shift; CONFIG=$1 ;;
 484                 -d|--delete)      DELETE=1; shift; KEYIDS=($1); UPDATEDB=1 ;;
 485                 --edit-key)       EDITKEY=1; shift; KEYIDS=($1); UPDATEDB=1 ;;
 486                 -e|--export)      EXPORT=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;;
 487                 -f|--finger)      FINGER=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;;
 488                 --gpgdir)         shift; PACMAN_KEYRING_DIR=$1 ;;
 489                 --import)         IMPORT=1; shift; IMPORT_DIRS=($1); UPDATEDB=1 ;;
 490                 --import-trustdb) IMPORT_TRUSTDB=1; shift; IMPORT_DIRS=($1); UPDATEDB=1 ;;
 491                 --init)           INIT=1 ;;
 492                 --keyserver)      shift; KEYSERVER=$1 ;;
 493                 -l|--list-keys)   LISTKEYS=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;;
 494                 --list-sigs)      LISTSIGS=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;;
 495                 --lsign-key)      LSIGNKEY=1; shift; KEYIDS=($1); UPDATEDB=1 ;;
 496                 --populate)       POPULATE=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYRINGIDS=($1); UPDATEDB=1 ;;
 497                 -r|--recv-keys)   RECEIVE=1; shift; KEYIDS=($1); UPDATEDB=1 ;;
 498                 --refresh-keys)   REFRESH=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;;
 499                 -u|--updatedb)    UPDATEDB=1 ;;
 500                 -v|--verify)      VERIFY=1; shift; SIGNATURE=$1 ;;
 501
 502                 -h|--help)        usage; exit 0 ;;
 503                 -V|--version)     version; exit 0 ;;
 504
 505                 --)               OPT_IND=0; shift; break;;
 506                 *)                usage; exit 1 ;;
 507         esac
 508         shift
 509 done
 510
 511
 512 if ! type -p gpg >/dev/null; then
 513     error "$(gettext "Cannot find the %s binary required for all %s operations.")" "gpg" "pacman-key"
 514         exit 1
 515 fi
 516
 517 if (( (ADD || DELETE || EDITKEY || IMPORT || IMPORT_TRUSTDB || INIT || LSIGNKEY || POPULATE || RECEIVE || REFRESH || UPDATEDB) && EUID != 0 )); then
 518         error "$(gettext "%s needs to be run as root for this operation.")" "pacman-key"
 519         exit 1
 520 fi
 521
 522 CONFIG=${CONFIG:-@sysconfdir@/pacman.conf}
 523 if [[ ! -r "${CONFIG}" ]]; then
 524         error "$(gettext "%s configuration file '%s' not found.")" "pacman" "$CONFIG"
 525         exit 1
 526 fi
 527
 528 # if PACMAN_KEYRING_DIR isn't assigned, try to get it from the config
 529 # file, falling back on a hard default
 530 PACMAN_KEYRING_DIR=${PACMAN_KEYRING_DIR:-$(get_from "$CONFIG" "GPGDir" "@sysconfdir@/pacman.d/gnupg")}
 531
 532 GPG_PACMAN=(gpg --homedir "${PACMAN_KEYRING_DIR}" --no-permission-warning)
 533 if [[ -n ${KEYSERVER} ]]; then
 534         GPG_PACMAN+=(--keyserver "${KEYSERVER}")
 535 fi
 536
 537 # check only a single operation has been given
 538 # don't include UPDATEDB in here as other opts can induce it
 539 numopt=$(( ADD + DELETE + EDITKEY + EXPORT + FINGER + IMPORT + IMPORT_TRUSTDB +
 540                 INIT + LISTKEYS + LISTSIGS + LSIGNKEY + POPULATE + RECEIVE + REFRESH + VERIFY ))
 541
 542 case $numopt in
 543         0)
 544                 if (( ! UPDATEDB )); then
 545                         error "$(gettext "no operation specified (use -h for help)")"
 546                         exit 1
 547                 fi
 548                 ;;
 549         [!1])
 550                 error "$(gettext "Multiple operations specified.")"
 551                 msg "$(gettext "Please run %s with each operation separately.")" "pacman-key"
 552                 exit 1
 553                 ;;
 554 esac
 555
 556 (( ! INIT )) && check_keyring
 557
 558 (( ADD )) && add_keys
 559 (( DELETE )) && delete_keys
 560 (( EDITKEY )) && edit_keys
 561 (( EXPORT )) && export_keys
 562 (( FINGER )) && finger_keys
 563 (( IMPORT )) && import
 564 (( IMPORT_TRUSTDB)) && import_trustdb
 565 (( INIT )) && initialize
 566 (( LISTKEYS )) && list_keys
 567 (( LISTSIGS )) && list_sigs
 568 (( LSIGNKEY )) && lsign_keys
 569 (( POPULATE )) && populate_keyring
 570 (( RECEIVE )) && receive_keys
 571 (( REFRESH )) && refresh_keys
 572 (( VERIFY )) && verify_sig
 573
 574 (( UPDATEDB )) && updatedb
 575
 576 exit 0
 577
 578 # vim: set ts=2 sw=2 noet: