# We don't use a secret keyring, of course, but gpg panics and
# implodes if there isn't one available
-GPG_CMD="gpg --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg"
+GPG_CMD="gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg"
GPG="$GPG_CMD --keyring /etc/apt/trusted.gpg"
+MASTER_KEYRING=/usr/share/keyrings/ubuntu-master-keyring.gpg
ARCHIVE_KEYRING=/usr/share/keyrings/ubuntu-archive-keyring.gpg
REMOVED_KEYS=/usr/share/keyrings/ubuntu-archive-removed-keys.gpg
+add_keys_with_verify_against_master_keyring() {
+ ADD_KEYRING=$1
+ MASTER=$2
+
+ if [ ! -f "$ADD_KEYRING" ]; then
+ echo "ERROR: '$ADD_KEYRING' not found"
+ return
+ fi
+ if [ ! -f "$MASTER" ]; then
+ echo "ERROR: '$MASTER' not found"
+ return
+ fi
+
+ # when adding new keys, make sure that the archive-master-keyring
+ # is honored. so:
+ # all keys that are exported and have the name
+ # "Ubuntu Archive Automatic Signing Key" must have a valid signature
+ # from a key in the ubuntu-master-keyring
+ add_keys=`$GPG_CMD --keyring $ADD_KEYRING --with-colons --list-keys | grep ^pub | cut -d: -f5`
+ master_keys=`$GPG_CMD --keyring $MASTER --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
exit 1
fi
- # add new keys
- $GPG_CMD --quiet --batch --keyring $ARCHIVE_KEYRING --export | $GPG --ignore-time-conflict --import
+ # add new keys, if no MASTER_KEYRING is used, use the traditional
+ # way
+ if [ -z "$MASTER_KEYRING" ]; then
+ $GPG_CMD --quiet --batch --keyring $ARCHIVE_KEYRING --export | $GPG --import
+ else
+ add_keys_with_verify_against_master_keyring $ARCHIVE_KEYRING $MASTER_KEYRING
+ fi
- # remove no-longer used keys
- keys=`$GPG_CMD --keyring $REMOVED_KEYS --with-colons --list-keys|awk '/^pub/{FS=":";print $5}'`
+ # remove no-longer supported/used keys
+ keys=`$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 | awk '/^pub/{FS=":";print $5}'|grep -q $key; then
+ if $GPG --list-keys --with-colons | grep ^pub | cut -d: -f5 | grep -q $key; then
$GPG --quiet --batch --delete-key --yes ${key}
fi
done
}
+
usage() {
echo "Usage: apt-key [command] [arguments]"
echo
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 list - list keys"
echo
finger*)
$GPG --batch --fingerprint
;;
+ export)
+ $GPG --armor --export "$1"
+ ;;
+ exportall)
+ $GPG --armor --export
+ ;;
adv*)
echo "Executing: $GPG $*"
$GPG $*