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-rwxr-xr-xcmdline/apt-key30
1 files changed, 27 insertions, 3 deletions
diff --git a/cmdline/apt-key b/cmdline/apt-key
index c7db9a25a..d716a088f 100755
--- a/cmdline/apt-key
+++ b/cmdline/apt-key
@@ -9,9 +9,27 @@ GPG_CMD="gpg --ignore-time-conflict --no-options --no-default-keyring --secret-k
GPG="$GPG_CMD --keyring /etc/apt/trusted.gpg"
+MASTER_KEYRING=""
+#MASTER_KEYRING=/usr/share/keyrings/debian-master-keyring.gpg
ARCHIVE_KEYRING=/usr/share/keyrings/debian-archive-keyring.gpg
REMOVED_KEYS=/usr/share/keyrings/debian-archive-removed-keys.gpg
+add_keys_with_verify_against_master_keyring() {
+ # when adding new keys, make sure that the archive-master-keyring
+ # is honored. so:
+ # all keys that are exported and have the name
+ # "Ubuntu Archive Automatic Signing Key" must have a valid signature
+ # from a key in the ubuntu-master-keyring
+ add_keys=`$GPG_CMD --keyring $ARCHIVE_KEYRING --with-colons --list-keys | grep ^pub | cut -d: -f5`
+ master_keys=`$GPG_CMD --keyring $MASTER_KEYRING --with-colons --list-keys | grep ^pub | cut -d: -f5`
+ for add_key in $add_keys; do
+ for master_key in $master_keys; do
+ if $GPG --list-sigs --with-colons $add_key | grep ^sig | cut -d: -f5 | grep -q $master_key; then
+ $GPG_CMD --quiet --batch --keyring $ARCHIVE_KEYRING --export $add_key | $GPG --import
+ fi
+ done
+ done
+}
update() {
if [ ! -f $ARCHIVE_KEYRING ]; then
@@ -20,10 +38,15 @@ update() {
exit 1
fi
- # add new keys
- $GPG_CMD --quiet --batch --keyring $ARCHIVE_KEYRING --export | $GPG --import
+ # add new keys, if no MASTER_KEYRING is used, use the traditional
+ # way
+ if [ -z "$MASTER_KEYRING" ]; then
+ $GPG_CMD --quiet --batch --keyring $ARCHIVE_KEYRING --export | $GPG --import
+ else
+ add_keys_with_verify_against_master_keyring
+ fi
- # remove no-longer used keys
+ # remove no-longer supported/used keys
keys=`$GPG_CMD --keyring $REMOVED_KEYS --with-colons --list-keys | grep ^pub | cut -d: -f5`
for key in $keys; do
if $GPG --list-keys --with-colons | grep ^pub | cut -d: -f5 | grep -q $key; then
@@ -32,6 +55,7 @@ update() {
done
}
+
usage() {
echo "Usage: apt-key [command] [arguments]"
echo