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-rw-r--r--cmdline/apt-key.in104
1 files changed, 61 insertions, 43 deletions
diff --git a/cmdline/apt-key.in b/cmdline/apt-key.in
index 8c47b5359..c2e8d176c 100644
--- a/cmdline/apt-key.in
+++ b/cmdline/apt-key.in
@@ -2,6 +2,7 @@
set -e
unset GREP_OPTIONS
+export IFS="$(printf "\n\b")"
APT_DIR="/"
eval $(apt-config shell APT_DIR Dir)
@@ -25,7 +26,7 @@ requires_root() {
}
get_fingerprints_of_keyring() {
- $GPG_CMD --keyring "$1" --with-colons --fingerprint | while read publine; do
+ aptkey_execute "$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)
@@ -56,8 +57,8 @@ add_keys_with_verify_against_master_keyring() {
# all keys that are exported must have a valid signature
# from a key in the $distro-master-keyring
add_keys="$(get_fingerprints_of_keyring "$ADD_KEYRING")"
- all_add_keys=`$GPG_CMD --keyring $ADD_KEYRING --with-colons --list-keys | grep ^[ps]ub | cut -d: -f5`
- master_keys=`$GPG_CMD --keyring $MASTER --with-colons --list-keys | grep ^pub | cut -d: -f5`
+ all_add_keys=`aptkey_execute "$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
@@ -72,16 +73,18 @@ add_keys_with_verify_against_master_keyring() {
for add_key in $add_keys; do
# export the add keyring one-by-one
local TMP_KEYRING="${GPGHOMEDIR}/tmp-keyring.gpg"
- $GPG_CMD --batch --yes --keyring "$ADD_KEYRING" --output "$TMP_KEYRING" --export "$add_key"
- if ! $GPG_CMD --batch --yes --keyring "$TMP_KEYRING" --import "$MASTER" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
+ 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 $GPG_CMD --keyring $TMP_KEYRING --check-sigs --with-colons $add_key | grep '^sig:!:' | cut -d: -f5 | grep -q $master_key; then
- $GPG_CMD --batch --yes --keyring "$ADD_KEYRING" --export "$add_key" | $GPG --batch --yes --import
+ if aptkey_execute "$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
@@ -113,27 +116,27 @@ net_update() {
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 ${APT_DIR}/var/lib/apt/keyrings
+ if [ ! -d "${APT_DIR}/var/lib/apt/keyrings" ]; then
+ mkdir -p "${APT_DIR}/var/lib/apt/keyrings"
fi
- keyring=${APT_DIR}/var/lib/apt/keyrings/$(basename $ARCHIVE_KEYRING_URI)
+ keyring="${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 $keyring ]; then
+ (cd "${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 $keyring)
+ new_mtime=$(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 $MASTER_KEYRING
+ add_keys_with_verify_against_master_keyring "$keyring" "$MASTER_KEYRING"
fi
}
update() {
- if [ ! -f $ARCHIVE_KEYRING ]; then
+ if [ ! -f "$ARCHIVE_KEYRING" ]; then
echo >&2 "ERROR: Can't find the archive-keyring"
echo >&2 "Is the &keyring-package; package installed?"
exit 1
@@ -166,7 +169,6 @@ remove_key_from_keyring() {
return
fi
- local GPG="$GPG_CMD --keyring $KEYRINGFILE"
for KEY in "$@"; do
local FINGERPRINTS="${GPGHOMEDIR}/keyringfile.keylst"
get_fingerprints_of_keyring "$KEYRINGFILE" > "$FINGERPRINTS"
@@ -191,7 +193,7 @@ remove_key_from_keyring() {
cp -a "$REALTARGET" "$KEYRINGFILE"
fi
# delete the key from the keyring
- $GPG --batch --delete-keys --yes "$KEY"
+ 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}~"
@@ -231,7 +233,7 @@ run_cmd_on_keyring() {
local KEYRINGFILE="$1"
shift
# fingerprint and co will fail if key isn't in this keyring
- $GPG_CMD --keyring "$KEYRINGFILE" --batch "$@" 2>/dev/null || true
+ aptkey_execute "$GPG_SH" --keyring "$KEYRINGFILE" --batch "$@" 2>/dev/null || true
}
import_keyring_into_keyring() {
@@ -249,7 +251,7 @@ import_keyring_into_keyring() {
if [ ! -s "$TO" ]; then
if [ -s "$FROM" ]; then
if [ -z "$2" ]; then
- if ! $GPG_CMD --keyring "$FROM" --export ${1:+"$1"} > "$TO" 2> "${GPGHOMEDIR}/gpgoutput.log"; then
+ if ! aptkey_execute "$GPG_SH" --keyring "$FROM" --export ${1:+"$1"} > "$TO" 2> "${GPGHOMEDIR}/gpgoutput.log"; then
cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
false
else
@@ -264,7 +266,8 @@ import_keyring_into_keyring() {
elif [ -s "$FROM" ]; then
local EXPORTLIMIT="$1"
if [ -n "$1$2" ]; then shift; fi
- if ! $GPG_CMD --keyring "$FROM" --export ${EXPORTLIMIT:+"$EXPORTLIMIT"} | $GPG_CMD --keyring "$TO" --batch --import "$@" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
+ 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
@@ -287,7 +290,12 @@ merge_all_trusted_keyrings_into_pubring() {
eval $(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)
if [ -d "$TRUSTEDPARTS" ]; then
# ignore errors mostly for non-existing $TRUSTEDFILE
- cat /dev/null "$TRUSTEDFILE" $(find -L "$TRUSTEDPARTS" -type f -name '*.gpg') > "$PUBRING" 2>/dev/null || true
+ {
+ cat "$TRUSTEDFILE" || true
+ for parts in $(find -L "$TRUSTEDPARTS" -type f -name '*.gpg'); do
+ cat "$parts" || true
+ done
+ } > "$PUBRING" 2>/dev/null
elif [ -s "$TRUSTEDFILE" ]; then
cp --dereference "$TRUSTEDFILE" "$PUBRING"
fi
@@ -336,7 +344,9 @@ setup_merged_keyring() {
merge_all_trusted_keyrings_into_pubring
FORCED_KEYRING="${GPGHOMEDIR}/forcedkeyid.gpg"
TRUSTEDFILE="${FORCED_KEYRING}"
- GPG="$GPG --keyring $TRUSTEDFILE"
+ echo "#!/bin/sh
+exec sh \"${GPG}\" --keyring \"${TRUSTEDFILE}\" \"\$@\"" > "${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
@@ -346,10 +356,14 @@ setup_merged_keyring() {
else
touch "${GPGHOMEDIR}/pubring.gpg" "${GPGHOMEDIR}/pubring.orig.gpg"
fi
- GPG="$GPG --keyring ${GPGHOMEDIR}/pubring.gpg"
+ echo "#!/bin/sh
+exec sh \"${GPG}\" --keyring \"${GPGHOMEDIR}/pubring.gpg\" \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
+ GPG="${GPGHOMEDIR}/gpg.1.sh"
else
create_new_keyring "$TRUSTEDFILE"
- GPG="$GPG --keyring $TRUSTEDFILE"
+ echo "#!/bin/sh
+exec sh \"${GPG}\" --keyring \"${TRUSTEDFILE}\" \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
+ GPG="${GPGHOMEDIR}/gpg.1.sh"
fi
}
@@ -363,6 +377,8 @@ create_new_keyring() {
fi
}
+aptkey_execute() { sh "$@"; }
+
usage() {
echo "Usage: apt-key [--keyring file] [command] [arguments]"
echo
@@ -398,7 +414,7 @@ while [ -n "$1" ]; do
;;
--readonly)
merge_back_changes() { true; }
- create_new_keyring() { if [ ! -r $FORCED_KEYRING ]; then TRUSTEDFILE='/dev/null'; FORCED_KEYRING="$TRUSTEDFILE"; fi; }
+ create_new_keyring() { if [ ! -r "$FORCED_KEYRING" ]; then TRUSTEDFILE='/dev/null'; FORCED_KEYRING="$TRUSTEDFILE"; fi; }
;;
--fakeroot)
requires_root() { true; }
@@ -408,11 +424,11 @@ while [ -n "$1" ]; do
;;
--debug1)
# some cmds like finger redirect stderr to /dev/null …
- aptkey_execute() { echo 'EXEC:' "$@"; "$@"; }
+ aptkey_execute() { echo 'EXEC:' "$@"; sh "$@"; }
;;
--debug2)
# … other more complicated ones pipe gpg into gpg.
- aptkey_execute() { echo >&2 'EXEC:' "$@"; "$@"; }
+ aptkey_execute() { echo >&2 'EXEC:' "$@"; sh "$@"; }
;;
--*)
echo >&2 "Unknown option: $1"
@@ -469,26 +485,28 @@ prepare_gpg_home() {
exit 255
fi
- if type aptkey_execute >/dev/null 2>&1; then
- GPG_EXE="aptkey_execute $GPG_EXE"
- fi
- GPG_CMD="$GPG_EXE --ignore-time-conflict --no-options --no-default-keyring"
-
create_gpg_home
# We don't use a secret keyring, of course, but gpg panics and
# implodes if there isn't one available - and writeable for imports
SECRETKEYRING="${GPGHOMEDIR}/secring.gpg"
- touch $SECRETKEYRING
- GPG_CMD="$GPG_CMD --homedir $GPGHOMEDIR"
+ touch "$SECRETKEYRING"
+
# 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
- $GPG_CMD --quiet --check-trustdb --keyring $SECRETKEYRING >/dev/null 2>&1
+ if ! "$GPG_EXE" --ignore-time-conflict --no-options --no-default-keyring \
+ --homedir "$GPGHOMEDIR" --quiet --check-trustdb --keyring "$SECRETKEYRING" >"${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
+ cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
+ false
+ fi
# tell gpg that it shouldn't try to maintain a trustdb file
- GPG_CMD="$GPG_CMD --no-auto-check-trustdb --trust-model always"
- GPG="$GPG_CMD"
+ echo "#!/bin/sh
+exec \"${GPG_EXE}\" --ignore-time-conflict --no-options --no-default-keyring \\
+ --homedir \"${GPGHOMEDIR}\" --no-auto-check-trustdb --trust-model always \"\$@\"" > "${GPGHOMEDIR}/gpg.0.sh"
+ GPG_SH="${GPGHOMEDIR}/gpg.0.sh"
+ GPG="$GPG_SH"
# for advanced operations, we might really need a secret keyring after all
if [ -n "$FORCED_SECRET_KEYRING" ] && [ -r "$FORCED_SECRET_KEYRING" ]; then
@@ -500,7 +518,7 @@ prepare_gpg_home() {
# a hint to start a migration from earlier versions. The file is empty
# anyhow, so nothing actually happens, but its three lines of output
# nobody expects to see in apt-key context, so trigger it in silence
- echo -n | $GPG --batch --import >/dev/null 2>&1 || true
+ echo -n | aptkey_execute "$GPG" --batch --import >/dev/null 2>&1 || true
}
if [ "$command" != 'help' ] && [ "$command" != 'verify' ]; then
@@ -511,7 +529,7 @@ case "$command" in
add)
requires_root
setup_merged_keyring
- $GPG --quiet --batch --import "$@"
+ aptkey_execute "$GPG" --quiet --batch --import "$@"
merge_back_changes
aptkey_echo "OK"
;;
@@ -540,12 +558,12 @@ case "$command" in
;;
export|exportall)
merge_all_trusted_keyrings_into_pubring
- $GPG_CMD --keyring "${GPGHOMEDIR}/pubring.gpg" --armor --export "$@"
+ aptkey_execute "$GPG_SH" --keyring "${GPGHOMEDIR}/pubring.gpg" --armor --export "$@"
;;
adv*)
setup_merged_keyring
aptkey_echo "Executing: $GPG $*"
- $GPG "$@"
+ aptkey_execute "$GPG" "$@"
merge_back_changes
;;
verify)
@@ -566,9 +584,9 @@ case "$command" in
fi
setup_merged_keyring
if [ -n "$FORCED_KEYRING" ]; then
- $GPGV --homedir "${GPGHOMEDIR}" --keyring "${FORCED_KEYRING}" --ignore-time-conflict "$@"
+ "$GPGV" --homedir "${GPGHOMEDIR}" --keyring "${FORCED_KEYRING}" --ignore-time-conflict "$@"
else
- $GPGV --homedir "${GPGHOMEDIR}" --keyring "${GPGHOMEDIR}/pubring.gpg" --ignore-time-conflict "$@"
+ "$GPGV" --homedir "${GPGHOMEDIR}" --keyring "${GPGHOMEDIR}/pubring.gpg" --ignore-time-conflict "$@"
fi
;;
help)