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From "Shyam Rai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12408) SQLStdAuthorizer expects external table creator to be owner of directory, does not respect rwx group permission. Only one user could ever create an external table definition to dir!
Date Thu, 30 Mar 2017 07:48:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15948584#comment-15948584
] 

Shyam Rai commented on HIVE-12408:
----------------------------------

[~tomzeng] Can you please help me with the absolute syntax ? 

> SQLStdAuthorizer expects external table creator to be owner of directory, does not respect
rwx group permission. Only one user could ever create an external table definition to dir!
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-12408
>                 URL: https://issues.apache.org/jira/browse/HIVE-12408
>             Project: Hive
>          Issue Type: Bug
>          Components: Authorization, Security, SQLStandardAuthorization
>    Affects Versions: 0.14.0
>         Environment: HDP 2.2 + Kerberos
>            Reporter: Hari Sekhon
>            Assignee: Thejas M Nair
>            Priority: Critical
>
> When trying to create an external table via beeline in Hive using the SQLStdAuthorizer
it expects the table creator to be the owner of the directory path and ignores the group rwx
permission that is granted to the user.
> {code}Error: Error while compiling statement: FAILED: HiveAccessControlException Permission
denied: Principal [name=hari, type=USER] does not have following privileges for operation
CREATETABLE [[INSERT, DELETE, OBJECT OWNERSHIP] on Object [type=DFS_URI, name=/etl/path/to/hdfs/dir]]
(state=42000,code=40000){code}
> All it should be checking is read access to that directory.
> The directory owner requirement breaks the ability of more than one user to create external
table definitions to a given location. For example this is a flume landing directory with
json data, and the /etl tree is owned by the flume user. Even chowning the tree to another
user would still break access to other users who are able to read the directory in hdfs but
would still unable to create external tables on top of it.
> This looks like a remnant of the owner only access model in SQLStdAuth and is a separate
issue to HIVE-11864 / HIVE-12324.



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