[ SEA-GHOST MINI SHELL]
| Path : /usr/bin/ |
|
|
| Current File : //usr/bin/apt-key |
#!/bin/sh
set -e
unset GREP_OPTIONS
export IFS="$(printf "\n\b")"
MASTER_KEYRING='/usr/share/keyrings/ubuntu-master-keyring.gpg'
eval "$(apt-config shell MASTER_KEYRING APT::Key::MasterKeyring)"
ARCHIVE_KEYRING='/usr/share/keyrings/ubuntu-archive-keyring.gpg'
eval "$(apt-config shell ARCHIVE_KEYRING APT::Key::ArchiveKeyring)"
REMOVED_KEYS='/usr/share/keyrings/ubuntu-archive-removed-keys.gpg'
eval "$(apt-config shell REMOVED_KEYS APT::Key::RemovedKeys)"
ARCHIVE_KEYRING_URI='http://archive.ubuntu.com/ubuntu/project/ubuntu-archive-keyring.gpg'
eval "$(apt-config shell ARCHIVE_KEYRING_URI APT::Key::ArchiveKeyringURI)"
aptkey_echo() { echo "$@"; }
requires_root() {
if [ "$(id -u)" -ne 0 ]; then
echo >&2 "ERROR: This command can only be used by root."
exit 1
fi
}
command_available() {
# command -v "$1" >/dev/null 2>&1 # not required by policy, see #747320
# which "$1" >/dev/null 2>&1 # is in debianutils (essential) but not on non-debian systems
local OLDIFS="$IFS"
IFS=:
for p in $PATH; do
if [ -x "${p}/${1}" ]; then
IFS="$OLDIFS"
return 0
fi
done
IFS="$OLDIFS"
return 1
}
escape_shell() {
echo "$@" | sed -e "s#'#'\"'\"'#g"
}
get_fingerprints_of_keyring() {
aptkey_execute "$GPG_SH" --keyring "$1" --with-colons --fingerprint | while read publine; do
# search for a public key
if [ "${publine%%:*}" != 'pub' ]; then continue; fi
# search for the associated fingerprint (should be the very next line)
while read fprline; do
if [ "${fprline%%:*}" = 'sub' ]; then break; # should never happen
elif [ "${fprline%%:*}" != 'fpr' ]; then continue; fi
echo "$fprline" | cut -d':' -f 10
done
# order in the keyring shouldn't be important
done | sort
}
add_keys_with_verify_against_master_keyring() {
ADD_KEYRING="$1"
MASTER="$2"
if [ ! -f "$ADD_KEYRING" ]; then
echo >&2 "ERROR: '$ADD_KEYRING' not found"
return
fi
if [ ! -f "$MASTER" ]; then
echo >&2 "ERROR: '$MASTER' not found"
return
fi
# when adding new keys, make sure that the archive-master-keyring
# is honored. so:
# all keys that are exported must have a valid signature
# from a key in the $distro-master-keyring
add_keys="$(get_fingerprints_of_keyring "$ADD_KEYRING")"
all_add_keys="$(aptkey_execute "$GPG_SH" --keyring "$ADD_KEYRING" --with-colons --list-keys | grep ^[ps]ub | cut -d: -f5)"
master_keys="$(aptkey_execute "$GPG_SH" --keyring "$MASTER" --with-colons --list-keys | grep ^pub | cut -d: -f5)"
# ensure there are no colisions LP: #857472
for all_add_key in $all_add_keys; do
for master_key in $master_keys; do
if [ "$all_add_key" = "$master_key" ]; then
echo >&2 "Keyid collision for '$all_add_key' detected, operation aborted"
return 1
fi
done
done
for add_key in $add_keys; do
# export the add keyring one-by-one
local TMP_KEYRING="${GPGHOMEDIR}/tmp-keyring.gpg"
aptkey_execute "$GPG_SH" --batch --yes --keyring "$ADD_KEYRING" --output "$TMP_KEYRING" --export "$add_key"
if ! aptkey_execute "$GPG_SH" --batch --yes --keyring "$TMP_KEYRING" --import "$MASTER" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
false
fi
# check if signed with the master key and only add in this case
ADDED=0
for master_key in $master_keys; do
if aptkey_execute "$GPG_SH" --keyring "$TMP_KEYRING" --check-sigs --with-colons "$add_key" \
| grep '^sig:!:' | cut -d: -f5 | grep -q "$master_key"; then
aptkey_execute "$GPG_SH" --batch --yes --keyring "$ADD_KEYRING" --export "$add_key" \
| aptkey_execute "$GPG" --batch --yes --import
ADDED=1
fi
done
if [ $ADDED = 0 ]; then
echo >&2 "Key '$add_key' not added. It is not signed with a master key"
fi
rm -f "${TMP_KEYRING}"
done
}
# update the current archive signing keyring from a network URI
# the archive-keyring keys needs to be signed with the master key
# (otherwise it does not make sense from a security POV)
net_update() {
local APT_DIR='/'
eval $(apt-config shell APT_DIR Dir)
# Disabled for now as code is insecure (LP: #1013639 (and 857472, 1013128))
APT_KEY_NET_UPDATE_ENABLED=""
eval $(apt-config shell APT_KEY_NET_UPDATE_ENABLED APT::Key::Net-Update-Enabled)
if [ -z "$APT_KEY_NET_UPDATE_ENABLED" ]; then
exit 1
fi
if [ -z "$ARCHIVE_KEYRING_URI" ]; then
echo >&2 "ERROR: Your distribution is not supported in net-update as no uri for the archive-keyring is set"
exit 1
fi
# in theory we would need to depend on wget for this, but this feature
# isn't useable in debian anyway as we have no keyring uri nor a master key
if ! command_available 'wget'; then
echo >&2 "ERROR: an installed wget is required for a network-based update"
exit 1
fi
if [ ! -d "${APT_DIR}/var/lib/apt/keyrings" ]; then
mkdir -p "${APT_DIR}/var/lib/apt/keyrings"
fi
keyring="${APT_DIR}/var/lib/apt/keyrings/$(basename "$ARCHIVE_KEYRING_URI")"
old_mtime=0
if [ -e $keyring ]; then
old_mtime=$(stat -c %Y "$keyring")
fi
(cd "${APT_DIR}/var/lib/apt/keyrings"; wget --timeout=90 -q -N "$ARCHIVE_KEYRING_URI")
if [ ! -e "$keyring" ]; then
return
fi
new_mtime=$(stat -c %Y "$keyring")
if [ $new_mtime -ne $old_mtime ]; then
aptkey_echo "Checking for new archive signing keys now"
add_keys_with_verify_against_master_keyring "$keyring" "$MASTER_KEYRING"
fi
}
update() {
if [ ! -f "$ARCHIVE_KEYRING" ]; then
echo >&2 "ERROR: Can't find the archive-keyring"
echo >&2 "Is the ubuntu-keyring package installed?"
exit 1
fi
# add new keys from the package;
# we do not use add_keys_with_verify_against_master_keyring here,
# because "update" is run on regular package updates. A
# attacker might as well replace the master-archive-keyring file
# in the package and add his own keys. so this check wouldn't
# add any security. we *need* this check on net-update though
import_keyring_into_keyring "$ARCHIVE_KEYRING" '' && cat "${GPGHOMEDIR}/gpgoutput.log"
if [ -r "$REMOVED_KEYS" ]; then
# remove no-longer supported/used keys
get_fingerprints_of_keyring "$REMOVED_KEYS" | while read key; do
foreach_keyring_do 'remove_key_from_keyring' "$key"
done
else
echo >&2 "Warning: removed keys keyring $REMOVED_KEYS missing or not readable"
fi
}
remove_key_from_keyring() {
local KEYRINGFILE="$1"
shift
# non-existent keyrings have by definition no keys
if [ ! -e "$KEYRINGFILE" ]; then
return
fi
for KEY in "$@"; do
local FINGERPRINTS="${GPGHOMEDIR}/keyringfile.keylst"
get_fingerprints_of_keyring "$KEYRINGFILE" > "$FINGERPRINTS"
# strip leading 0x, if present:
KEY="${KEY#0x}"
# check if the key is in this keyring
if ! grep -iq "^[0-9A-F]*${KEY}$" "$FINGERPRINTS"; then
continue
fi
if [ ! -w "$KEYRINGFILE" ]; then
echo >&2 "Key ${KEY} is in keyring ${KEYRINGFILE}, but can't be removed as it is read only."
continue
fi
# check if it is the only key in the keyring and if so remove the keyring altogether
if [ '1' = "$(uniq "$FINGERPRINTS" | wc -l)" ]; then
mv -f "$KEYRINGFILE" "${KEYRINGFILE}~" # behave like gpg
return
fi
# we can't just modify pointed to files as these might be in /usr or something
local REALTARGET
if [ -L "$KEYRINGFILE" ]; then
REALTARGET="$(readlink -f "$KEYRINGFILE")"
mv -f "$KEYRINGFILE" "${KEYRINGFILE}.dpkg-tmp"
cp -a "$REALTARGET" "$KEYRINGFILE"
fi
# delete the key from the keyring
aptkey_execute "$GPG_SH" --keyring "$KEYRINGFILE" --batch --delete-keys --yes "$KEY"
if [ -n "$REALTARGET" ]; then
# the real backup is the old link, not the copy we made
mv -f "${KEYRINGFILE}.dpkg-tmp" "${KEYRINGFILE}~"
fi
done
}
accessible_file_exists() {
if ! test -s "$1"; then
return 1
fi
if test -r "$1"; then
return 0
fi
warn "The key(s) in the keyring $1 are ignored as the file is not readable by user '$USER' executing apt-key."
return 1
}
foreach_keyring_do() {
local ACTION="$1"
shift
# if a --keyring was given, just work on this one
if [ -n "$FORCED_KEYRING" ]; then
$ACTION "$FORCED_KEYRING" "$@"
else
# otherwise all known keyrings are up for inspection
if accessible_file_exists "$TRUSTEDFILE"; then
$ACTION "$TRUSTEDFILE" "$@"
fi
local TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
eval "$(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)"
if [ -d "$TRUSTEDPARTS" ]; then
TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")"
local TRUSTEDPARTSLIST="$(cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -name '*.gpg')"
for trusted in $(echo "$TRUSTEDPARTSLIST" | sort); do
if accessible_file_exists "$trusted"; then
$ACTION "$trusted" "$@"
fi
done
fi
fi
}
run_cmd_on_keyring() {
local KEYRINGFILE="$1"
shift
# fingerprint and co will fail if key isn't in this keyring
aptkey_execute "$GPG_SH" --keyring "$KEYRINGFILE" --batch "$@" 2>/dev/null || true
}
import_keyring_into_keyring() {
local FROM="${1:-${GPGHOMEDIR}/pubring.gpg}"
local TO="${2:-${GPGHOMEDIR}/pubring.gpg}"
shift 2
rm -f "${GPGHOMEDIR}/gpgoutput.log"
# the idea is simple: We take keys from one keyring and copy it to another
# we do this with so many checks in between to ensure that WE control the
# creation, so we know that the (potentially) created $TO keyring is a
# simple keyring rather than a keybox as gpg2 would create it which in turn
# can't be read by gpgv.
# BEWARE: This is designed more in the way to work with the current
# callers, than to have a well defined it would be easy to add new callers to.
if [ ! -s "$TO" ]; then
if [ -s "$FROM" ]; then
if [ -z "$2" ]; then
if ! aptkey_execute "$GPG_SH" --keyring "$FROM" --export ${1:+"$1"} > "$TO" 2> "${GPGHOMEDIR}/gpgoutput.log"; then
cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
false
else
chmod 0644 -- "$TO"
fi
else
create_new_keyring "$TO"
fi
else
create_new_keyring "$TO"
fi
elif [ -s "$FROM" ]; then
local EXPORTLIMIT="$1"
if [ -n "$1$2" ]; then shift; fi
if ! aptkey_execute "$GPG_SH" --keyring "$FROM" --export ${EXPORTLIMIT:+"$EXPORTLIMIT"} \
| aptkey_execute "$GPG_SH" --keyring "$TO" --batch --import "$@" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
false
fi
fi
}
catfile() {
cat "$1" >> "$2"
}
merge_all_trusted_keyrings_into_pubring() {
# does the same as:
# foreach_keyring_do 'import_keys_from_keyring' "${GPGHOMEDIR}/pubring.gpg"
# but without using gpg, just cat and find
local PUBRING="$(readlink -f "${GPGHOMEDIR}/pubring.gpg")"
rm -f "$PUBRING"
touch "$PUBRING"
foreach_keyring_do 'catfile' "$PUBRING"
}
import_keys_from_keyring() {
import_keyring_into_keyring "$1" "$2"
}
merge_keys_into_keyrings() {
import_keyring_into_keyring "$2" "$1" '' --import-options 'merge-only'
}
merge_back_changes() {
if [ -n "$FORCED_KEYRING" ]; then
# if the keyring was forced merge is already done
return
fi
if [ -s "${GPGHOMEDIR}/pubring.gpg" ]; then
# merge all updated keys
foreach_keyring_do 'merge_keys_into_keyrings' "${GPGHOMEDIR}/pubring.gpg"
fi
# look for keys which were added or removed
get_fingerprints_of_keyring "${GPGHOMEDIR}/pubring.orig.gpg" > "${GPGHOMEDIR}/pubring.orig.keylst"
get_fingerprints_of_keyring "${GPGHOMEDIR}/pubring.gpg" > "${GPGHOMEDIR}/pubring.keylst"
comm -3 "${GPGHOMEDIR}/pubring.keylst" "${GPGHOMEDIR}/pubring.orig.keylst" > "${GPGHOMEDIR}/pubring.diff"
# key isn't part of new keyring, so remove
cut -f 2 "${GPGHOMEDIR}/pubring.diff" | while read key; do
if [ -z "$key" ]; then continue; fi
foreach_keyring_do 'remove_key_from_keyring' "$key"
done
# key is only part of new keyring, so we need to import it
cut -f 1 "${GPGHOMEDIR}/pubring.diff" | while read key; do
if [ -z "$key" ]; then continue; fi
import_keyring_into_keyring '' "$TRUSTEDFILE" "$key"
done
}
setup_merged_keyring() {
if [ -n "$FORCED_KEYID" ]; then
merge_all_trusted_keyrings_into_pubring
FORCED_KEYRING="${GPGHOMEDIR}/forcedkeyid.gpg"
TRUSTEDFILE="${FORCED_KEYRING}"
echo "#!/bin/sh
exec sh '($(escape_shell "${GPG}")' --keyring '$(escape_shell "${TRUSTEDFILE}")' \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
GPG="${GPGHOMEDIR}/gpg.1.sh"
# ignore error as this "just" means we haven't found the forced keyid and the keyring will be empty
import_keyring_into_keyring '' "$TRUSTEDFILE" "$FORCED_KEYID" || true
elif [ -z "$FORCED_KEYRING" ]; then
merge_all_trusted_keyrings_into_pubring
if [ -r "${GPGHOMEDIR}/pubring.gpg" ]; then
cp -a "${GPGHOMEDIR}/pubring.gpg" "${GPGHOMEDIR}/pubring.orig.gpg"
else
touch "${GPGHOMEDIR}/pubring.gpg" "${GPGHOMEDIR}/pubring.orig.gpg"
fi
echo "#!/bin/sh
exec sh '$(escape_shell "${GPG}")' --keyring '$(escape_shell "${GPGHOMEDIR}/pubring.gpg")' \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
GPG="${GPGHOMEDIR}/gpg.1.sh"
else
create_new_keyring "$TRUSTEDFILE"
echo "#!/bin/sh
exec sh '$(escape_shell "${GPG}")' --keyring '$(escape_shell "${TRUSTEDFILE}")' \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
GPG="${GPGHOMEDIR}/gpg.1.sh"
fi
}
create_new_keyring() {
# gpg defaults to mode 0600 for new keyrings. Create one with 0644 instead.
if ! [ -e "$TRUSTEDFILE" ]; then
if [ -w "$(dirname "$TRUSTEDFILE")" ]; then
touch -- "$TRUSTEDFILE"
chmod 0644 -- "$TRUSTEDFILE"
fi
fi
}
aptkey_execute() { sh "$@"; }
usage() {
echo "Usage: apt-key [--keyring file] [command] [arguments]"
echo
echo "Manage apt's list of trusted keys"
echo
echo " apt-key add <file> - add the key contained in <file> ('-' for stdin)"
echo " apt-key del <keyid> - remove the key <keyid>"
echo " apt-key export <keyid> - output the key <keyid>"
echo " apt-key exportall - output all trusted keys"
echo " apt-key update - update keys using the keyring package"
echo " apt-key net-update - update keys using the network"
echo " apt-key list - list keys"
echo " apt-key finger - list fingerprints"
echo " apt-key adv - pass advanced options to gpg (download key)"
echo
echo "If no specific keyring file is given the command applies to all keyring files."
}
while [ -n "$1" ]; do
case "$1" in
--keyring)
shift
TRUSTEDFILE="$1"
FORCED_KEYRING="$1"
;;
--keyid)
shift
FORCED_KEYID="$1"
;;
--secret-keyring)
shift
FORCED_SECRET_KEYRING="$1"
;;
--readonly)
merge_back_changes() { true; }
create_new_keyring() { if [ ! -r "$FORCED_KEYRING" ]; then TRUSTEDFILE='/dev/null'; FORCED_KEYRING="$TRUSTEDFILE"; fi; }
;;
--fakeroot)
requires_root() { true; }
;;
--quiet)
aptkey_echo() { true; }
;;
--debug1)
# some cmds like finger redirect stderr to /dev/null …
aptkey_execute() { echo 'EXEC:' "$@"; sh "$@"; }
;;
--debug2)
# … other more complicated ones pipe gpg into gpg.
aptkey_execute() { echo >&2 'EXEC:' "$@"; sh "$@"; }
;;
--*)
echo >&2 "Unknown option: $1"
usage
exit 1;;
*)
break;;
esac
shift
done
if [ -z "$TRUSTEDFILE" ]; then
TRUSTEDFILE="/etc/apt/trusted.gpg"
eval $(apt-config shell TRUSTEDFILE Apt::GPGV::TrustedKeyring)
eval $(apt-config shell TRUSTEDFILE Dir::Etc::Trusted/f)
fi
command="$1"
if [ -z "$command" ]; then
usage
exit 1
fi
shift
find_gpgv_status_fd() {
while [ -n "$1" ]; do
if [ "$1" = '--status-fd' ]; then
shift
echo "$1"
break
fi
shift
done
}
GPGSTATUSFD="$(find_gpgv_status_fd "$@")"
warn() {
echo >&2 'W:' "$@"
if [ -n "$GPGSTATUSFD" ]; then
echo >&${GPGSTATUSFD} '[APTKEY:] WARNING' "$@"
fi
}
create_gpg_home() {
# gpg needs (in different versions more or less) files to function correctly,
# so we give it its own homedir and generate some valid content for it later on
if [ -n "$TMPDIR" ]; then
# tmpdir is a directory and current user has rwx access to it
# same tests as in apt-pkg/contrib/fileutl.cc GetTempDir()
if [ ! -d "$TMPDIR" ] || [ ! -r "$TMPDIR" ] || [ ! -w "$TMPDIR" ] || [ ! -x "$TMPDIR" ]; then
unset TMPDIR
fi
fi
GPGHOMEDIR="$(mktemp -d)"
CURRENTTRAP="${CURRENTTRAP} rm -rf '$(escape_shell "${GPGHOMEDIR}")';"
trap "${CURRENTTRAP}" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
chmod 700 "$GPGHOMEDIR"
}
prepare_gpg_home() {
eval "$(apt-config shell GPG_EXE Apt::Key::gpgcommand)"
if [ -n "$GPG_EXE" ] && command_available "$GPG_EXE"; then
true
elif command_available 'gpg'; then
GPG_EXE="gpg"
elif command_available 'gpg2'; then
GPG_EXE="gpg2"
else
echo >&2 "Error: gnupg or gnupg2 do not seem to be installed,"
echo >&2 "Error: but apt-key requires gnupg or gnupg2 for this operation."
echo >&2
exit 255
fi
create_gpg_home
# create the trustdb with an (empty) dummy keyring
# older gpgs required it, newer gpgs even warn that it isn't needed,
# but require it nonetheless for some commands, so we just play safe
# here for the foreseeable future and create a dummy one
touch "${GPGHOMEDIR}/empty.gpg"
if ! "$GPG_EXE" --ignore-time-conflict --no-options --no-default-keyring \
--homedir "$GPGHOMEDIR" --quiet --check-trustdb --keyring "${GPGHOMEDIR}/empty.gpg" >"${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
false
fi
# now tell gpg that it shouldn't try to maintain this trustdb file
echo "#!/bin/sh
exec '$(escape_shell "${GPG_EXE}")' --ignore-time-conflict --no-options --no-default-keyring \\
--homedir '$(escape_shell "${GPGHOMEDIR}")' --no-auto-check-trustdb --trust-model always \"\$@\"" > "${GPGHOMEDIR}/gpg.0.sh"
GPG_SH="${GPGHOMEDIR}/gpg.0.sh"
GPG="$GPG_SH"
# We don't usually need a secret keyring, of course, but
# for advanced operations, we might really need a secret keyring after all
if [ -n "$FORCED_SECRET_KEYRING" ] && [ -r "$FORCED_SECRET_KEYRING" ]; then
if ! aptkey_execute "$GPG" -v --batch --import "$FORCED_SECRET_KEYRING" >"${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
false
fi
else
# and then, there are older versions of gpg which panic and implode
# if there isn't one available - and writeable for imports
# and even if not output is littered with the creation of a secring,
# so lets call import once to have it create what it wants in silence
echo -n | aptkey_execute "$GPG" --batch --import >/dev/null 2>&1 || true
fi
}
if [ "$command" != 'help' ] && [ "$command" != 'verify' ]; then
prepare_gpg_home
fi
case "$command" in
add)
requires_root
setup_merged_keyring
aptkey_execute "$GPG" --quiet --batch --import "$@"
merge_back_changes
aptkey_echo "OK"
;;
del|rm|remove)
requires_root
foreach_keyring_do 'remove_key_from_keyring' "$@"
aptkey_echo "OK"
;;
update)
requires_root
setup_merged_keyring
update
merge_back_changes
;;
net-update)
requires_root
setup_merged_keyring
net_update
merge_back_changes
;;
list)
foreach_keyring_do 'run_cmd_on_keyring' --list-keys "$@"
;;
finger*)
foreach_keyring_do 'run_cmd_on_keyring' --fingerprint "$@"
;;
export|exportall)
merge_all_trusted_keyrings_into_pubring
aptkey_execute "$GPG_SH" --keyring "${GPGHOMEDIR}/pubring.gpg" --armor --export "$@"
;;
adv*)
setup_merged_keyring
aptkey_echo "Executing: $GPG $*"
aptkey_execute "$GPG" "$@"
merge_back_changes
;;
verify)
GPGV=''
eval $(apt-config shell GPGV Apt::Key::gpgvcommand)
if [ -n "$GPGV" ] && command_available "$GPGV"; then true;
elif command_available 'gpgv'; then GPGV='gpgv';
elif command_available 'gpgv2'; then GPGV='gpgv2';
else
echo >&2 'ERROR: gpgv or gpgv2 required for verification'
exit 29
fi
# for a forced keyid we need gpg --export, so full wrapping required
if [ -n "$FORCED_KEYID" ]; then
prepare_gpg_home
else
create_gpg_home
fi
setup_merged_keyring
if [ -n "$FORCED_KEYRING" ]; then
"$GPGV" --homedir "${GPGHOMEDIR}" --keyring "${FORCED_KEYRING}" --ignore-time-conflict "$@"
else
"$GPGV" --homedir "${GPGHOMEDIR}" --keyring "${GPGHOMEDIR}/pubring.gpg" --ignore-time-conflict "$@"
fi
;;
help)
usage
;;
*)
usage
exit 1
;;
esac
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