[#CORE-5866] Trusted Auth and long login with non-english characters

Firebird Core

Trusted Auth and long login with non-english characters

Created: 08/Jul/18 11:59 PM Updated: 28/Aug/18 12:40 PM

Component/s:

None

Affects Version/s:

3.0.3

Fix Version/s:

None

Issue Links:

Relate

This issue relate to:

~~CORE-5904~~ An attempt to create global mapping with long (> SQL identifier length) FROM field fails

This issue is related to:

~~CORE-749~~ Increase maximum length of object names to 63 characters

QA Status:

No test

Description

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We using Windows trusted authentication (FB 3.0) and user login's with non-english characters as surname and initials. But in case of long a surname (like "DOMN\КрасноруцкаяАА"), error occurs: "Login name too long (33 characters, maximum allowed 31) and user can't attachment to database.

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Alexander Peshkov added a comment - 28/Aug/18 10:58 AM

Mentioned behavior is as designed and not a bug. SQL identifier length is extended in FB4 but it's also limited.

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Alexander Peshkov added a comment - 25/Jul/18 07:27 AM - edited

CREATE MAPPING Krasnorutskaya USING PLUGIN WIN_SSPI FROM USER 'DOMN\КрасноруцкаяАА' TO USER "DOMN\Krasnorutskaya";

And yes - there is a bug to fix: global mapping can not be created.

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Sean Leyne added a comment - 24/Jul/18 05:42 PM

Create a "mapping" how?

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Alexander Peshkov added a comment - 24/Jul/18 10:37 AM

An issue will be gone in FB4 - it has increased limit of SQL identifiers length (63 unicode chars). In FB3 you can avoid this using mapping - create mapping from "DOMN\КрасноруцкаяАА" to something like "DOMN\Krasnorutskaya".

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Sean Leyne added a comment - 09/Jul/18 03:48 PM

User ID string are Object IDs, thus are restricted to the limitations which applies to all database objects (31 characters).

The implementation of Trusted Auth functionality is constrained by the systemic/engine/base schema limitations.