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gpg: Clean bogus subkey binding when cleaning a key.

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* g10/trust.c (clean_key): Also clean bogus subkey bindings.
--

GnuPG-bug-id: 2922
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-01-17 10:26:34 +01:00
parent 766c25018b
commit 356323768a
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
2 changed files with 28 additions and 7 deletions
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1
g10/export.c
View File

@ -1518,6 +1518,7 @@ do_export_one_keyblock (ctrl_t ctrl, kbnode_t keyblock, u32 *keyid,
u32 subkidbuf[2], *subkid;
kbnode_t kbctx, node;
/* NB: walk_kbnode skips packets marked as deleted. */
for (kbctx=NULL; (node = walk_kbnode (keyblock, &kbctx, 0)); )
{
if (skip_until_subkey)

34
g10/trust.c
View File

@ -756,21 +756,41 @@ clean_one_uid (kbnode_t keyblock, kbnode_t uidnode, int noisy, int self_only,
}
/* NB: This function marks the deleted nodes only and the caller is
* responsible to skip or remove them. */
void
clean_key (kbnode_t keyblock, int noisy, int self_only,
int *uids_cleaned, int *sigs_cleaned)
{
kbnode_t uidnode;
kbnode_t node;
merge_keys_and_selfsig (keyblock);
for (uidnode = keyblock->next;
uidnode && !(uidnode->pkt->pkttype == PKT_PUBLIC_SUBKEY
|| uidnode->pkt->pkttype == PKT_SECRET_SUBKEY);
uidnode = uidnode->next)
for (node = keyblock->next;
node && !(node->pkt->pkttype == PKT_PUBLIC_SUBKEY
|| node->pkt->pkttype == PKT_SECRET_SUBKEY);
node = node->next)
{
if (uidnode->pkt->pkttype == PKT_USER_ID)
clean_one_uid (keyblock, uidnode,noisy, self_only,
if (node->pkt->pkttype == PKT_USER_ID)
clean_one_uid (keyblock, node, noisy, self_only,
uids_cleaned, sigs_cleaned);
}
/* Remove bogus subkey binding signatures: The only signatures
* allowed are of class 0x18 and 0x28. */
log_assert (!node || (node->pkt->pkttype == PKT_PUBLIC_SUBKEY
|| node->pkt->pkttype == PKT_SECRET_SUBKEY));
for (; node; node = node->next)
{
if (is_deleted_kbnode (node))
continue;
if (node->pkt->pkttype == PKT_SIGNATURE
&& !(IS_SUBKEY_SIG (node->pkt->pkt.signature)
|| IS_SUBKEY_REV (node->pkt->pkt.signature)))
{
delete_kbnode (node);
if (sigs_cleaned)
++*sigs_cleaned;
}
}
}