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Posted to issues@mesos.apache.org by "Yan Xu (JIRA)" <ji...@apache.org> on 2017/03/16 17:20:41 UTC

[jira] [Commented] (MESOS-7257) LocalAuthorizer handles request subject being NONE which never happens

    [ https://issues.apache.org/jira/browse/MESOS-7257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15928460#comment-15928460 ] 

Yan Xu commented on MESOS-7257:
-------------------------------

[~vinodkone] does this make sense or am I missing something?

> LocalAuthorizer handles request subject being NONE which never happens
> ----------------------------------------------------------------------
>
>                 Key: MESOS-7257
>                 URL: https://issues.apache.org/jira/browse/MESOS-7257
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Yan Xu
>
> The {{approved}} method in the local authorizer deals with the request being {{NONE}} or {{ANY}} according to these charts
> {code:title=}
> // Match matrix:
> //
> //                  -----------ACL----------
> //
> //                    SOME    NONE    ANY
> //          -------|-------|-------|-------
> //  |        SOME  | Yes/No|  Yes  |   Yes
> //  |       -------|-------|-------|-------
> // Request   NONE  |  No   |  Yes  |   No
> //  |       -------|-------|-------|-------
> //  |        ANY   |  No   |  Yes  |   Yes
> //          -------|-------|-------|-------
> // Allow matrix:
> //
> //                 -----------ACL----------
> //
> //                    SOME    NONE    ANY
> //          -------|-------|-------|-------
> //  |        SOME  | Yes/No|  No   |   Yes
> //  |       -------|-------|-------|-------
> // Request   NONE  |  No   |  Yes  |   No
> //  |       -------|-------|-------|-------
> //  |        ANY   |  No   |  No   |   Yes
> //          -------|-------|-------|-------
> {code}
> However AFACIT there's not a case for the request to be {{NONE}} as the code treats an none subject as {{ANY}}:
> {code:title=}
>     // Construct subject.
>     if (subject_.isSome()) {
>       aclSubject.add_values(subject_->value());
>       aclSubject.set_type(mesos::ACL::Entity::SOME);
>     } else {
>       aclSubject.set_type(mesos::ACL::Entity::ANY);
>     }
> {code}
> If feels more appropriate to use {{ACL::Entity::NONE}} to mean the subject is none but regardless of the choice, we don't seem to need both {{ACL::Entity::NONE}} and {{ACL::Entity::ANY}} for the request?
> If so the matrices in should probably just have two rows and the code can be simplified.



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