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-rw-r--r--cmdline/apt-key.in50
1 files changed, 24 insertions, 26 deletions
diff --git a/cmdline/apt-key.in b/cmdline/apt-key.in
index 4f2bc916b..e231d6f61 100644
--- a/cmdline/apt-key.in
+++ b/cmdline/apt-key.in
@@ -224,6 +224,17 @@ remove_key_from_keyring() {
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
@@ -232,7 +243,7 @@ foreach_keyring_do() {
$ACTION "$FORCED_KEYRING" "$@"
else
# otherwise all known keyrings are up for inspection
- if [ -s "$TRUSTEDFILE" ]; then
+ if accessible_file_exists "$TRUSTEDFILE"; then
$ACTION "$TRUSTEDFILE" "$@"
fi
local TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
@@ -241,7 +252,7 @@ foreach_keyring_do() {
TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")"
local TRUSTEDPARTSLIST="$(cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -name '*.gpg')"
for trusted in $(echo "$TRUSTEDPARTSLIST" | sort); do
- if [ -s "$trusted" ]; then
+ if accessible_file_exists "$trusted"; then
$ACTION "$trusted" "$@"
fi
done
@@ -294,35 +305,18 @@ import_keyring_into_keyring() {
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")"
- # if a --keyring was given, just use this one
- if [ -n "$FORCED_KEYRING" ]; then
- if [ -s "$FORCED_KEYRING" ]; then
- cp --dereference "$FORCED_KEYRING" "$PUBRING"
- fi
- else
- # otherwise all known keyrings are merged
- local TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
- eval $(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)
- if [ -d "$TRUSTEDPARTS" ]; then
- rm -f "$PUBRING"
- if [ -s "$TRUSTEDFILE" ]; then
- cat "$TRUSTEDFILE" > "$PUBRING"
- fi
- TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")"
- (cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -name '*.gpg' -exec cat {} + >> "$PUBRING";)
- elif [ -s "$TRUSTEDFILE" ]; then
- cp --dereference "$TRUSTEDFILE" "$PUBRING"
- fi
- fi
-
- if [ ! -s "$PUBRING" ]; then
- touch "$PUBRING"
- fi
+ rm -f "$PUBRING"
+ touch "$PUBRING"
+ foreach_keyring_do 'catfile' "$PUBRING"
}
import_keys_from_keyring() {
@@ -472,6 +466,10 @@ if [ -z "$command" ]; then
fi
shift
+warn() {
+ echo >&2 'W:' "$@"
+}
+
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