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https://issues.apache.org/jira/browse/DERBY-2109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12561053#action_12561053
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Rick Hillegas commented on DERBY-2109:
--------------------------------------
>> 3) Clarify that a SystemPrincipal represents a UserName. It is therefore
>> case-sensitive.
>
>Do you mean authorization identifier instead of UserName since it's
>authorization identifiers that are case sensitive?>
>
>Or did you mean "follows the rules for SQL identifiers" instead of
>"case-sensitive", since some user names are folded to upper case (and
>therefore appear case-insensitive) and some are stripped of their >delimiting
>quotes (and hence appear case-sensitive). Ie. the rules are more compilcated
>than just case sensitivity.
Here I'm following up on my musings about the three concepts of identity which
I see in play here:
1) UserName -- this is part of the credentials passed to the authentication
service. This could be case-sensitive or case-insensitive depending on the
rules of the authentication service.
2) AuthorizationID -- this is the SQL concept of identity. This is
case-insensitive unless double-quoted.
3) SystemPrincipal -- I think that we would like to map this onto either (1) or
(2). I think that (1) is a better fit than (2). At the system level there is no
SQL context and the behavior/sobjects being controlled are not SQL
behaviors/objects.
> System privileges
> -----------------
>
> Key: DERBY-2109
> URL: https://issues.apache.org/jira/browse/DERBY-2109
> Project: Derby
> Issue Type: New Feature
> Components: Security
> Affects Versions: 10.3.1.4
> Reporter: Rick Hillegas
> Assignee: Martin Zaun
> Attachments: DERBY-2109-02.diff, DERBY-2109-02.stat,
> derby-2109-03-javadoc-see-tags.diff, DERBY-2109-04.diff, DERBY-2109-04.stat,
> DERBY-2109-05and06.diff, DERBY-2109-05and06.stat, DERBY-2109-07.diff,
> DERBY-2109-07.stat, DERBY-2109-08.diff, DERBY-2109-08.stat,
> DERBY-2109-08_addendum.diff, DERBY-2109-08_addendum.stat,
> SystemPrivilegesBehaviour.html, systemPrivs.html, systemPrivs.html,
> systemPrivs.html, 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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