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From "Daniel John Debrunner (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1330) Provide runtime privilege checking for grant/revoke functionality
Date Fri, 07 Jul 2006 22:10:31 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1330?page=comments#action_12419792 ] 

Daniel John Debrunner commented on DERBY-1330:
----------------------------------------------

I'm  starting to look at the patch, I'm a little confused by your references to 'add a row
to SYSDEPENDS'. Is your code doing this directly or is it using the dependency manager (as
I hope)?  Might be clearer if you described the change in terms of "adding a dependency on
X" rather than "adding a row to SYSDEPENDS". Then the description and comments would match
the code.

The implementation of  the dependency manager (ie. the current implementation uses SYSDEPENDS)
should not be a factor in the design here.

> 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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