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Date:      Sat, 19 Jan 2002 09:14:20 -0500 (EST)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        "Andrey A. Chernov" <ache@nagual.pp.ru>
Cc:        Kris Kennaway <kris@obsecurity.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/lib/libpam/modules/pam_opie pam_opie.c
Message-ID:  <Pine.NEB.3.96L.1020119091012.32726F-100000@fledge.watson.org>
In-Reply-To: <20020119140308.GA9574@nagual.pp.ru>

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No one debates the technical points here.  They're asking you to get some
basic advanced review for modifications to the critical system
authentication code before you commit the changes.  In many cases, the
reviewers are the people who wrote and integrated this code; while there
are clearly problems, as it's als oclearly a work in progress.  This is an
engineering point, and it's an issue of basic respect for the other
developers on the project.  Pausing for a day or two before committing is
not too much to ask; the reviewers are ready and waiting. 

Robert N M Watson             FreeBSD Core Team, TrustedBSD Project
robert@fledge.watson.org      NAI Labs, Safeport Network Services

On Sat, 19 Jan 2002, Andrey A. Chernov wrote:

> On Sat, Jan 19, 2002 at 16:48:10 +0300, Andrey A. Chernov wrote:
> 
> > nobody comes with re-implementation, it is removed because cause problems.
> 
> Problems are:
> 
> 1) User confusion.
> 
> Example: Imagine that you have insecure host and want to enter 'su'. You
> can configure it to use OPIE. And afterwards not only you will see its
> prompt, but all other users, not OPIE-enabled, will see fake promts too,
> constantly asking questions to admin.
> 
> 2) Automatic tasks protocol confusion.
> 
> Example: Imagine that you have script which enters FTP, confirming 
> user/password, in the send/expect form. If you ever enable OPIE for _one_ 
> ftp user in your system, the script stops to work due to unknown FTP 
> response.
> 
> 3) False sense that OPIE is alive.
> 
> Example: Imagine that filesystem error remove some OPIE-critical file. And 
> very-very long time users will try to enter the system answering on fake 
> prompts instead of reporting its admin immediately.
> 
> All of this so obvious so I wonder what ever discussion can happens here.
> 
> 
> -- 
> Andrey A. Chernov
> http://ache.pp.ru/
> 


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