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Date:      Sun, 16 Feb 1997 12:26:04 +1030 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        davidn@labs.usn.blaze.net.au (David Nugent)
Cc:        imp@village.org, security@freebsd.org
Subject:   Re: blowfish passwords in FreeBSD
Message-ID:  <199702160156.MAA03343@genesis.atrad.adelaide.edu.au>
In-Reply-To: <19970215024833.30067@usn.blaze.net.au> from David Nugent at "Feb 15, 97 02:48:33 am"

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David Nugent stands accused of saying:
> 
> I looked at PAM in some depth recently and while it looks
> interesting enough, I think it is an overkill. We can already

The biggest gripes I have with PAM are that it's not adequately
documented anywhere, and that none of the modules I've seen were
written with portability in mind, so whilst it's a neat model, it's
not offering any sort of cross-platform portability for authentication
modules.

> do most of what PAM can do via login.conf - actually, in a
> nicer way imho, although it isn't as easy or simple to switch
> modules at runtime as you can with PAM. 

IMHO, PAM's biggest strength is that it completely removes
authentication from the application's domain; you have an API which is
driven in the same fashion regardless of the authentication method(s)
required.

> I'm just a little
> nervous about having an authentication system use something
> that isn't simple *in principle*, and PAM is anything but that.

In principle, I'd say that PAM _is_ simple.  I've only studied the
"Linux-PAM" implementation, and _it_ is anything but simple, agreed.

However I feel that an API-compatible implementation for the BSD
environment could be done in a realtively tidy fashion.  (And I may
have to put my code where my mouth is 8)

> David Nugent - Unique Computing Pty Ltd - Melbourne, Australia

-- 
]] Mike Smith, Software Engineer        msmith@gsoft.com.au             [[
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