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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2109) System privileges
Date Tue, 12 Dec 2006 23:29:24 GMT
    [ http://issues.apache.org/jira/browse/DERBY-2109?page=comments#action_12457941 ] 
            
Daniel John Debrunner commented on DERBY-2109:
----------------------------------------------

doAsPrivileged() vs. doAs()
  Thanks for the link to the JAAS reference, I think a better technical justification is needed
than "it's recommended", especially since I don't see any such recommendation, I only see
a comment saying one example where it might be useful is for servers.

Maybe you could walk through an example when the call stack looks like:

    framework code -calling>> application code -calling>> Derby code

and the application code is requesting a create database and the policy file is setup to allow
rick to perform create database and the connection request is made as rick.
Why in this case is doAsPrivileged() required or better than doAs?

> System privileges
> -----------------
>
>                 Key: DERBY-2109
>                 URL: http://issues.apache.org/jira/browse/DERBY-2109
>             Project: Derby
>          Issue Type: New Feature
>          Components: Security
>    Affects Versions: 10.3.0.0
>            Reporter: Rick Hillegas
>             Fix For: 10.3.0.0
>
>         Attachments: systemPrivs.html
>
>
> Add mechanisms for controlling system-level privileges in Derby. See the related email
discussion at http://article.gmane.org/gmane.comp.apache.db.derby.devel/33151.
> The 10.2 GRANT/REVOKE work was a big step forward in making Derby more  secure in a client/server
configuration. I'd like to plug more client/server security holes in 10.3. In particular,
I'd like to focus on  authorization issues which the ANSI spec doesn't address.
> Here are the important issues which came out of the email discussion.
> Missing privileges that are above the level of a single database:
> - Create Database
> - Shutdown all databases
> - Shutdown System
> Missing privileges specific to a particular database:
> - Shutdown that Database
> - Encrypt that database
> - Upgrade database
> - Create (in that Database) Java Plugins (currently  Functions/Procedures, but someday
Aggregates and VTIs)
> Note that 10.2 gave us GRANT/REVOKE control over the following  database-specific issues,
via granting execute privilege to system  procedures:
> Jar Handling
> Backup Routines
> Admin Routines
> Import/Export
> Property Handling
> Check Table
> In addition, since 10.0, the privilege of connecting to a database has been controlled
by two properties (derby.database.fullAccessUsers and derby.database.defaultConnectionMode)
as described in the security section of the Developer's Guide (see http://db.apache.org/derby/docs/10.2/devguide/cdevcsecure865818.html).

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