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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3327) SQL roles: Implement authorization stack (and SQL session context to hold it)
Date Thu, 29 May 2008 22:51:45 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12600951#action_12600951
] 

Dag H. Wanvik commented on DERBY-3327:
--------------------------------------

I ran the regression tests on 10.4 with the modified patch. The only errors I saw were related
to MBeans, cf
http://www.nabble.com/MBeans-errors-on-10.4-head-td17526725.html.

Kristian, do you know exactly what changed behavior makes DERBY-3690 work? (The patch is supposed
to change
the existing Derby behavior only if one changes the current schema inside stored routines
cf attached releaseNote.html)
I would feel more comfortable committing it to the 10.4 branch if we knew...

> SQL roles: Implement authorization stack (and SQL session context to hold it)
> -----------------------------------------------------------------------------
>
>                 Key: DERBY-3327
>                 URL: https://issues.apache.org/jira/browse/DERBY-3327
>             Project: Derby
>          Issue Type: New Feature
>          Components: Security, SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>             Fix For: 10.5.0.0
>
>         Attachments: DERBY-3327-1.diff, DERBY-3327-1.stat, DERBY-3327-2.diff, DERBY-3327-2.stat,
DERBY-3327-3.diff, DERBY-3327-3.stat, DERBY-3327-4-full-b.diff, DERBY-3327-4-full-b.stat,
DERBY-3327-4-full-c.diff, DERBY-3327-4-full-c.stat, DERBY-3327-4-full-d.diff, DERBY-3327-4-full-d.stat,
DERBY-3327-4-full-e-10_4.diff, DERBY-3327-4-full-e-10_4.stat, DERBY-3327-4-full-e.diff, DERBY-3327-4-full-e.stat,
DERBY-3327-4-full.diff, DERBY-3327-4-full.stat, releaseNote.html
>
>
> The current LanguageConnectionContext keeps the user authorization identifier for an
SQL session.
> The lcc is shared context also for nested connections (opened from stored procedures).
> So far, for roles, the current role has been stored in the lcc also. However, SQL requires
that
> authorization identifers be pushed on a "authorization stack" when calling a stored procedure,
cf.
> SQL 2003, vol 2, section 4.34.1.1 and 4.27.3 and 10.4 GR 5h and i.
> This allows a caller to keep its current role after a call even if changed by the stored
procedure.
> This issue will implement the current role name part ("cell") of the authorization stack.

> The authorization stack will be implemented as part of the SQL session context.
> The patch will also implement the pushing of the current unqualified schema name part
of
> the SQL session context, cf. 10.4 GR 5a (DERBY-1331).

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