[Buildroot] [PATCH 1/3] system/skeleton: add the shadow-group file

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Tue Jan 1 09:26:06 UTC 2013


Dear Yann E. MORIN,

Happy New Year!

On Mon, 31 Dec 2012 19:18:08 +0100, Yann E. MORIN wrote:

> Wrong. Groups can have passwords. And users can change-group with:
> 
>     $ newgrp [-] groupname
> 
> If the user is a member of that group, or the group is paswrod-less, then
> no password is asked for, and the current group-id has changed (it is a bit
> like 'su', but to just change group)
> 
> If the user is not a member that group, and the group is not restricted (eg.
> password is not '*' and does not start with '!', then the user is asked to
> enter the group password.
> 
> See:
>     group(5) gshadow(5) newgrp(1)
> 
> I hope that was enough to explain addition of gshadow. ;-)

Interesting, I didn't know about this.

The next question that comes up is: do we really need to support this
in Buildroot?

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com


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