Bug#991545: gosa: gen_uids() function not producing expected results

Mike Gabriel mike.gabriel at das-netzwerkteam.de
Tue Jul 27 08:01:45 BST 2021

Package: src:gosa
Severity: important
Version: 2.7.4+reloaded3-8+deb10u2
Tags: patch

While mass creating users these days for a school customer, I noticed  
that an idGenerator expression such as "{%sn[6-8]}{%givenName[2-4]}"  
does not produce expected results if many UIDs have already been taken.

In my case (making up names here), I had

   sn: Fresher
   givenName: Jim

The following login name was already in use:


So, the expected results for gen_uids() would have been:


But gen_uids() returned an empty result array().

This is caused by an off-by-one string element check in gen_uids().

Patch attached.


c\o Technik- und Ökologiezentrum Eckernförde
Mike Gabriel, Marienthaler Str. 17, 24340 Eckernförde
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