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

[illumos project]

Issue #1558 has been updated by Richard PALO.


According to utmp.h
<pre>
/*
 * Note:  The getutent(3c) family of interfaces are obsolete.
 * The getutxent(3c) family provide a superset of this functionality
 * and should be used in place of getutent(3c).
 */
....
/*
 * This data structure describes the utmp *file* contents using
 * fixed-width data types.  It should only be used by the implementation.
 *
 * Applications should use the getutxent(3c) family of routines to interact
 * with this database.
 */
</pre>
>From the getutxent(3c) manpage:

<pre>
  getutxent()
     The getutxent() function reads in  the  next  entry  from  a
     utmpx  database.  If  the  database  is not already open, it
     opens it. If it reaches the end of the database, it fails.
  ...
  getutmp()
     The getutmp() function copies the information stored in  the
     members  of the utmpx structure to the corresponding members
     of the utmp structure. If the information in any  member  of
     utmpx  does  not  fit  in the corresponding utmp member, the
     data is silently  truncated.  (See  getutent(3C)  for   utmp
     structure)
</pre>
----------------------------------------
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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