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-rw-r--r--scripts/pacman-key.sh.in330
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diff --git a/scripts/pacman-key.sh.in b/scripts/pacman-key.sh.in
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+#!@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 "$(gettext "Options must be placed before commands. The available options are:")"
+ printf "$(gettext " --config <file> Use an alternate config file (instead of '%s')")\n" "$CONFIG"
+ printf "$(gettext " --gpgdir Set an alternate directory for gnupg (instead of '%s')")\n" "$PACMAN_KEYRING_DIR"
+ echo
+ echo "$(gettext "The available commands are:")"
+ echo "$(gettext " -a, --add [<file(s)>] Add the specified keys (empty for stdin)")"
+ echo "$(gettext " -d, --del <keyid(s)> Remove the specified keyids")"
+ echo "$(gettext " -e, --export <keyid(s)> Export the specified keyids")"
+ echo "$(gettext " -f, --finger [<keyid(s)>] List fingerprint for specified or all keyids")"
+ echo "$(gettext " -h, --help Show this help message and exit")"
+ echo "$(gettext " -l, --list List keys")"
+ echo "$(gettext " -r, --receive <keyserver> <keyid(s)> Fetch the specified keyids")"
+ echo "$(gettext " -t, --trust <keyid(s)> Set the trust level of the given keyids")"
+ echo "$(gettext " -u, --updatedb Update the trustdb of pacman")"
+ echo "$(gettext " -V, --version Show program version")"
+ echo "$(gettext " --adv <params> Use pacman's keyring with advanced gpg commands")"
+ printf "$(gettext " --reload Reload the default keys")"
+ echo
+}
+
+version() {
+ printf "pacman-key (pacman) %s\n" "${myver}"
+ printf "$(gettext "\
+Copyright (c) 2010-2011 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")"
+}
+
+# Read provided file and search for values matching the given key
+# The contents of the file are expected to be in this format: key = value
+# 'key', 'equal sign' and 'value' can be surrounded by random whitespace
+# Usage: get_from "$file" "$key" # returns the value for the first matching key in the file
+get_from() {
+ while read key _ value; do
+ if [[ $key = $2 ]]; then
+ echo "$value"
+ break
+ fi
+ done < "$1"
+}
+
+reload_keyring() {
+ local PACMAN_SHARE_DIR='@prefix@/share/pacman'
+ local GPG_NOKEYRING="gpg --batch --quiet --ignore-time-conflict --no-options --no-default-keyring --homedir ${PACMAN_KEYRING_DIR}"
+
+ # Variable used for iterating on keyrings
+ local key
+ local key_id
+
+ # Keyring with keys to be added to the keyring
+ local ADDED_KEYS="${PACMAN_SHARE_DIR}/addedkeys.gpg"
+
+ # Keyring with keys that were deprecated and will eventually be deleted
+ local DEPRECATED_KEYS="${PACMAN_SHARE_DIR}/deprecatedkeys.gpg"
+
+ # List of keys removed from the keyring. This file is not a keyring, unlike the others.
+ # It is a textual list of values that gpg recogniezes as identifiers for keys.
+ local REMOVED_KEYS="${PACMAN_SHARE_DIR}/removedkeys"
+
+ # Verify signatures of related files, if they exist
+ if [[ -r "${ADDED_KEYS}" ]]; then
+ msg "$(gettext "Verifying official keys file signature...")"
+ if ! ${GPG_PACMAN} --quiet --batch --verify "${ADDED_KEYS}.sig" 1>/dev/null; then
+ error "$(gettext "The signature of file %s is not valid.")" "${ADDED_KEYS}"
+ exit 1
+ fi
+ fi
+
+ if [[ -r "${DEPRECATED_KEYS}" ]]; then
+ msg "$(gettext "Verifying deprecated keys file signature...")"
+ if ! ${GPG_PACMAN} --quiet --batch --verify "${DEPRECATED_KEYS}.sig" 1>/dev/null; then
+ error "$(gettext "The signature of file %s is not valid.")" "${DEPRECATED_KEYS}"
+ exit 1
+ fi
+ fi
+
+ if [[ -r "${REMOVED_KEYS}" ]]; then
+ msg "$(gettext "Verifying deleted keys file signature...")"
+ if ! ${GPG_PACMAN} --quiet --batch --verify "${REMOVED_KEYS}.sig"; then
+ error "$(gettext "The signature of file %s is not valid.")" "${REMOVED_KEYS}"
+ exit 1
+ fi
+ fi
+
+ # Read the key ids to an array. The conversion from whatever is inside the file
+ # to key ids is important, because key ids are the only guarantee of identification
+ # for the keys.
+ local -A removed_ids
+ if [[ -r "${REMOVED_KEYS}" ]]; then
+ while read key; do
+ local key_values name
+ key_values=$(${GPG_PACMAN} --quiet --with-colons --list-key "${key}" | grep ^pub | cut -d: -f5,10 --output-delimiter=' ')
+ if [[ -n $key_values ]]; then
+ # The first word is the key_id
+ key_id=${key_values%% *}
+ # the rest if the name of the owner
+ name=${key_values#* }
+ if [[ -n ${key_id} ]]; then
+ # Mark this key to be deleted
+ removed_ids[$key_id]="$name"
+ fi
+ fi
+ done < "${REMOVED_KEYS}"
+ fi
+
+ # List of keys that must be kept installed, even if in the list of keys to be removed
+ local HOLD_KEYS=$(get_from "$CONFIG" "HoldKeys")
+
+ # Remove the keys that must be kept from the set of keys that should be removed
+ if [[ -n ${HOLD_KEYS} ]]; then
+ for key in ${HOLD_KEYS}; do
+ key_id=$(${GPG_PACMAN} --quiet --with-colons --list-key "${key}" | grep ^pub | cut -d: -f5)
+ if [[ -n "${removed_ids[$key_id]}" ]]; then
+ unset removed_ids[$key_id]
+ fi
+ done
+ fi
+
+ # Add keys from the current set of keys from pacman-keyring package. The web of trust will
+ # be updated automatically.
+ if [[ -r "${ADDED_KEYS}" ]]; then
+ msg "$(gettext "Appending official keys...")"
+ local add_keys=$(${GPG_NOKEYRING} --keyring "${ADDED_KEYS}" --with-colons --list-keys | grep ^pub | cut -d: -f5)
+ for key_id in ${add_keys}; do
+ # There is no point in adding a key that will be deleted right after
+ if [[ -z "${removed_ids[$key_id]}" ]]; then
+ ${GPG_NOKEYRING} --keyring "${ADDED_KEYS}" --export "${key_id}" | ${GPG_PACMAN} --import
+ fi
+ done
+ fi
+
+ if [[ -r "${DEPRECATED_KEYS}" ]]; then
+ msg "$(gettext "Appending deprecated keys...")"
+ local add_keys=$(${GPG_NOKEYRING} --keyring "${DEPRECATED_KEYS}" --with-colons --list-keys | grep ^pub | cut -d: -f5)
+ for key_id in ${add_keys}; do
+ # There is no point in adding a key that will be deleted right after
+ if [[ -z "${removed_ids[$key_id]}" ]]; then
+ ${GPG_NOKEYRING} --keyring "${DEPRECATED_KEYS}" --export "${key_id}" | ${GPG_PACMAN} --import
+ fi
+ done
+ fi
+
+ # Remove the keys not marked to keep
+ if (( ${#removed_ids[@]} > 0 )); then
+ msg "$(gettext "Removing deleted keys from keyring...")"
+ for key_id in "${!removed_ids[@]}"; do
+ echo " removing key $key_id - ${removed_ids[$key_id]}"
+ ${GPG_PACMAN} --quiet --batch --yes --delete-key "${key_id}"
+ 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" && $1 != "" ]]; then
+ if type -p gpg >/dev/null 2>&1 = 1; then
+ error "$(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 "$(gettext "%s not found.")" "$CONFIG"
+ exit 1
+fi
+
+# Read GPGDIR from $CONFIG.
+if [[ GPGDIR=$(get_from "$CONFIG" "GPGDir") == 0 ]]; then
+ PACMAN_KEYRING_DIR="${GPGDIR}"
+fi
+GPG_PACMAN="gpg --homedir ${PACMAN_KEYRING_DIR} --no-permission-warning"
+
+# Try to create $PACMAN_KEYRING_DIR if non-existent
+# 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}"
+
+# Parse and execute command
+command="$1"
+if [[ -z "${command}" ]]; then
+ usage
+ exit 1
+fi
+shift
+
+case "${command}" in
+ -a|--add)
+ # If there is no extra parameter, gpg will read stdin
+ ${GPG_PACMAN} --quiet --batch --import "$@"
+ ;;
+ -d|--del)
+ if (( $# == 0 )); then
+ error "$(gettext "You need to specify at least one key identifier")"
+ exit 1
+ fi
+ ${GPG_PACMAN} --quiet --batch --delete-key --yes "$@"
+ ;;
+ -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)
+ ${GPG_PACMAN} --armor --export "$@"
+ ;;
+ -r|--receive)
+ if (( $# < 2 )); then
+ error "$(gettext "You need to specify the keyserver and at least one key identifier")"
+ 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")"
+ 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 $ret
+ ;;
+ -h|--help)
+ usage; exit 0 ;;
+ -V|--version)
+ version; exit 0 ;;
+ *)
+ error "$(gettext "Unknown command:") $command"
+ usage; exit 1 ;;
+esac
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