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https://issues.apache.org/jira/browse/IMPALA-10415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Quanlong Huang updated IMPALA-10415:
------------------------------------
    Comment: was deleted

(was: Similar with IMPALA-1130 but the error details are different. Current 
error is:
{code:java}
[localhost:21050] default> select 'รจ'
                         > ;
Traceback (most recent call last):
  File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 2063, in 
<module>
    impala_shell_main()
  File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 2028, in 
impala_shell_main
    shell.cmdloop(intro)
  File 
"/home/quanlong/workspace/Impala/toolchain/toolchain-packages-gcc7.5.0/python-2.7.16/lib/python2.7/cmd.py",
 line 141, in cmdloop
    line = self.precmd(line)
  File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 632, in 
precmd
    args = self.sanitise_input(args.decode('utf-8'))  # python2
  File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 436, in 
sanitise_input
    tokens = args.strip().split(' ')
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 8: ordinal 
not in range(128)
{code}
I also verified that impala-3.4 doesn't have this issue. So maybe some changes 
in impala-4.0 cause this.)

> SHOW GRANT statement should perform a check for requesting user
> ---------------------------------------------------------------
>
>                 Key: IMPALA-10415
>                 URL: https://issues.apache.org/jira/browse/IMPALA-10415
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend, Security
>            Reporter: Quanlong Huang
>            Assignee: Fang-Yu Rao
>            Priority: Major
>              Labels: backwards-compatibility, security
>
> 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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