GNU bug report logs - #76876
logname output is often wrong when linked with glibc

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Package: coreutils;

Reported by: Nicolas Boos <nicolas.boos <at> wanadoo.fr>

Date: Sat, 8 Mar 2025 23:08:03 UTC

Severity: normal

Done: Pádraig Brady <P <at> draigBrady.com>

Bug is archived. No further changes may be made.

Full log

Message #52 received at 76876 <at> debbugs.gnu.org (full text, mbox):

From: Eric Blake <eblake <at> redhat.com>
To: Bruno Haible <bruno <at> clisp.org>
Cc: nicolas.boos <at> wanadoo.fr, eggert <at> cs.ucla.edu, bug-gnulib <at> gnu.org,
 76876 <at> debbugs.gnu.org, dalias <at> libc.org
Subject: Re: bug#76876: logname output is often wrong when linked with glibc
Date: Wed, 19 Mar 2025 09:11:24 -0500

On Mon, Mar 10, 2025 at 06:24:45AM +0100, Bruno Haible via GNU coreutils Bug Reports wrote:
> I wrote:
> > Thus, on Linux systems, a correct implementation of getlogin() can not
> > distinguish different users with the same uid (with reasonable effort).
> > This applies to both glibc and the new code in gnulib.
> 
> Let me document this limitation.
> 

> -This function returns the value of the @env{LOGNAME} environment variable:
> +This function returns the value of the @env{LOGNAME} environment variable
> +and this therefore arbitrarily fakeable:

s/this/thus/ ?

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.
Virtualization:  qemu.org | libguestfs.org
This bug report was last modified 118 days ago.

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