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Posted to jira@kafka.apache.org by "Ray Chiang (JIRA)" <ji...@apache.org> on 2018/08/03 21:01:00 UTC
[jira] [Updated] (KAFKA-5802) ScramServerCallbackHandler#handle
should check username not being null before calling credentialCache.get()
[ https://issues.apache.org/jira/browse/KAFKA-5802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ray Chiang updated KAFKA-5802:
------------------------------
Component/s: security
> ScramServerCallbackHandler#handle should check username not being null before calling credentialCache.get()
> -----------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-5802
> URL: https://issues.apache.org/jira/browse/KAFKA-5802
> Project: Kafka
> Issue Type: Bug
> Components: security
> Reporter: Ted Yu
> Priority: Minor
>
> {code}
> String username = null;
> for (Callback callback : callbacks) {
> if (callback instanceof NameCallback)
> username = ((NameCallback) callback).getDefaultName();
> else if (callback instanceof ScramCredentialCallback)
> ((ScramCredentialCallback) callback).scramCredential(credentialCache.get(username));
> {code}
> Since ConcurrentHashMap, used by CredentialCache, doesn't allow null keys, we should check that username is not null before calling credentialCache.get()
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