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https://issues.apache.org/jira/browse/DERBY-5762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas resolved DERBY-5762.
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Resolution: Fixed
> Consider storing a normalized authorization id in SYS.SYSUSERS in order to
> make NATIVE procedures follow the same casing conventions for usernames which
> we use on connection urls
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-5762
> URL: https://issues.apache.org/jira/browse/DERBY-5762
> Project: Derby
> Issue Type: Improvement
> Affects Versions: 10.9.0.0
> Reporter: Rick Hillegas
> Attachments: derby-5762-01-aa-normalizeNativeProcArg.diff,
> derby-5762-01-ab-normalizeNativeProcArg.diff,
> derby-5762-01-ad-normalizeNativeProcArg.diff, derby-5762.sql
>
>
> Right now if you want to connect with a lowercase authorization id, you need
> to double-quote it:
> connect 'jdbc:derby:db;user="dbo";password=dbo_password';
> But you don't use double-quotes when creating NATIVE credentials for that
> user:
> call syscs_util.syscs_create_user( 'dbo', 'dbo_password' );
> I will attach a proof-of-concept patch which causes the NATIVE procedures to
> normalize USERNAME arguments before using them to key into SYS.SYSUSERS. This
> preserves the following feature of the current implementation:
> 1) Only one set of NATIVE credentials can be stored for a given authorization
> id. Note that this differs from the behavior of other authentication schemes.
> The other authentication schemes let you store a set of credentials for every
> upper/lower-case permutation of the authorization id. To me , this seems like
> a big security hole in those other authentication schemes.
> In addition, the proof-of-concept patch has the following behavior:
> 2) You connect with the same username string which you use when calling
> syscs_util.syscs_create_user.
> If this seems like the right casing behavior, I will write some tests and
> check this in.
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