[jira] [Created] (IMPALA-10434) SHOW GRANT statement should perform a check for requesting user

["Fang-Yu Rao (Jira)" <ji...@apache.org>]

Fang-Yu Rao created IMPALA-10434:
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             Summary: SHOW GRANT statement should perform a check for requesting user
                 Key: IMPALA-10434
                 URL: https://issues.apache.org/jira/browse/IMPALA-10434
             Project: IMPALA
          Issue Type: Bug
          Components: Frontend, Security
            Reporter: Fang-Yu Rao
            Assignee: Fang-Yu Rao


We found that the {{SHOW GRANT}} statement does not really perform a check for the requesting user to determine whether the requesting user is authorized to access the result. Specifically, there is no such check in [RangerImpaladAuthorizationManager#getPrivileges()|https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/authorization/ranger/RangerImpaladAuthorizationManager.java#L340-L403].

Recall that such a check was performed when we were using Sentry as the authorization provider. Refer to [SentryImpaladAuthorizationManager#getPrivileges()|https://gerrit.cloudera.org/c/15833/8/fe/src/main/java/org/apache/impala/authorization/sentry/SentryImpaladAuthorizationManager.java#b203].

Such an issue is partly due to the fact that we do not have a dedicated Ranger API to check whether a user is a Ranger administrator, which is also currently tracked at [RANGER-3127|https://issues.apache.org/jira/browse/RANGER-3127].




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