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https://issues.apache.org/jira/browse/IMPALA-15047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fang-Yu Rao updated IMPALA-15047:
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Attachment: (was: ranger_add_config_screenshot.png)
> Use RangerBasePlugin#isServiceAdmin() instead of
> RangerUtil#validateRangerAdmin() when authorizing the SHOW ROLES and SHOW
> ROLE GRANT statements
> ------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: IMPALA-15047
> URL: https://issues.apache.org/jira/browse/IMPALA-15047
> Project: IMPALA
> Issue Type: Task
> Reporter: Fang-Yu Rao
> Priority: Major
> Attachments: ranger_add_config_screenshot.png
>
>
> Currently for {{SHOW ROLES}} and {{SHOW ROLE GRANT GROUP/USER}} statements,
> Impala calls
> [RangerUtil#validateRangerAdmin()|https://github.com/apache/impala/blob/ac1e178/fe/src/main/java/org/apache/impala/authorization/ranger/RangerUtil.java#L112-L124]
> to check whether the requesting user has the necessary permission. Under the
> covers, we make a REST call to the Ranger server.
> {code:java}
> plugin.getAllRoles(user, null);
> {code}
>
> We could probably replace the above call with
> [RangerBasePlugin#isServiceAdmin()|https://github.com/apache/ranger/blob/c5b55a4/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java#L968-L980]
> to check requesting user's permission, since this is what Apache Hive also
> does in
> [RangerHiveAuthorizer#getAllRoles()|https://github.com/apache/ranger/blob/c5b55a4/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAuthorizer.java#L1189]
> when Ranger is the authorization provider.
> {code:java}
> if (!hivePlugin.isServiceAdmin(currentUserName)) {
> throw new
> HiveAccessControlException("RangerHiveAuthorizer.getAllRoles(): User not
> authorized to run show roles...");
> }
> {code}
> To add a user as the service user, it suffices to add the configuration of
> '{{{}service.admin.users{}}}' via Ranger's web UI as shown in
> [^ranger_add_config_screenshot.png].
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