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KEYS: Add a new keyctl op to reject a key with a specified error code

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Add a new keyctl op to reject a key with a specified error code.  This works
much the same as negating a key, and so keyctl_negate_key() is made a special
case of keyctl_reject_key().  The difference is that keyctl_negate_key()
selects ENOKEY as the error to be reported.

Typically the key would be rejected with EKEYEXPIRED, EKEYREVOKED or
EKEYREJECTED, but this is not mandatory.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells
2011-03-07 15:06:09 +00:00
committed by James Morris
parent b9fffa3877
commit fdd1b94581
11 changed files with 81 additions and 20 deletions
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2
security/keys/request_key.c
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@@ -585,7 +585,7 @@ int wait_for_key_construction(struct key *key, bool intr)
if (ret < 0)
return ret;
if (test_bit(KEY_FLAG_NEGATIVE, &key->flags))
return -ENOKEY;
return key->type_data.reject_error;
return key_validate(key);
}
EXPORT_SYMBOL(wait_for_key_construction);