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From "Mamta A. Satoor (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1330) Provide runtime privilege checking for grant/revoke functionality
Date Fri, 07 Jul 2006 23:36:31 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1330?page=comments#action_12419797 ] 

Mamta A. Satoor commented on DERBY-1330:
----------------------------------------

I am using the dependency manager and not touching SYSDEPENDS directly through my code changes.
I will change the code comments to talk in terms of dependency manager rather than SYSDEPENDS
but will wait for further review feedback before submiiting a new patch. Please let me know
if a patch with comment changes will make the code review easier for you, in that case, I
will go ahead and commit an updated patch.

> Provide runtime privilege checking for grant/revoke functionality
> -----------------------------------------------------------------
>
>          Key: DERBY-1330
>          URL: http://issues.apache.org/jira/browse/DERBY-1330
>      Project: Derby
>         Type: Sub-task

>   Components: SQL
>     Versions: 10.2.0.0
>     Reporter: Mamta A. Satoor
>     Assignee: Mamta A. Satoor
>  Attachments: AuthorizationModelForDerbySQLStandardAuthorization.html, AuthorizationModelForDerbySQLStandardAuthorizationV2.html,
Derby1330PrivilegeCollectionV2diff.txt, Derby1330PrivilegeCollectionV2stat.txt, Derby1330ViewPrivilegeCollectionV1diff.txt,
Derby1330ViewPrivilegeCollectionV1stat.txt
>
> Additional work needs to be done for grant/revoke to make sure that only users with required
privileges can access various database objects. In order to do that, first we need to collect
the privilege requirements for various database objects and store them in SYS.SYSREQUIREDPERM.
Once we have this information then when a user tries to access an object, the required SYS.SYSREQUIREDPERM
privileges for the object will be checked against the user privileges in SYS.SYSTABLEPERMS,
SYS.SYSCOLPERMS and SYS.SYSROUTINEPERMS. The database object access will succeed only if the
user has the necessary privileges.
> SYS.SYSTABLEPERMS, SYS.SYSCOLPERMS and SYS.SYSROUTINEPERMS are already populated by Satheesh's
work on DERBY-464. But SYS.SYSREQUIREDPERM doesn't have any information in it at this point
and hence no runtime privilege checking is getting done at this point.

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