[Illumos-team] [OpenIndiana Distribution - Feature #1558] Relax Restrictions on Usernames

[illumos project]

Issue #1558 has been updated by Garrett D'Amore.


This goes back to ancient days; specifically /var/adm/utmp has fixed width fields and is limited to just 8 characters wide for login ids.  It is possible to create logins with longer names, but utmp utilities (there are many that read this file, and many of them are 3rd party) won't be able to determine logged in state properly if you go past 8 characters.
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Feature #1558: Relax Restrictions on Usernames
https://www.illumos.org/issues/1558

Author: daniel kho
Status: New
Priority: Low
Assignee: OI illumos
Category: OS/Net (Kernel and Userland)
Target version: 
Difficulty: Hard
Tags: 


Perhaps it's a good idea to allow usernames longer than 8 characters? Also, allow the "dot" character to be inserted as part of a username?
I'm not sure why this restriction in the first place, but I'm guessing it's something to do with database space? With better space management, and with lots of space, I don't see why this should remain as a requirement.


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