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From: Bill Paul <wpaul@skynet.ctr.columbia.edu>
Message-Id: <199612160033.TAA05740@skynet.ctr.columbia.edu>
Subject: Re: Plan for integrating Secure RPC -- comments wanted
To: joerg_wunsch@uriah.heep.sax.de
Date: Sun, 15 Dec 1996 19:33:36 -0500 (EST)
Cc: current@freebsd.org
In-Reply-To: <199612152315.AAA01712@uriah.heep.sax.de> from "J Wunsch" at Dec 16, 96 00:15:42 am
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Of all the gin joints in all the towns in all the world, J Wunsch had to 
walk into mine and say:

> As Bill Paul wrote:
> 
> > Splitting out the DES code
> > ---------------------------
> 
> > Right now, there are several programs in /bin and /sbin which use
> > NIS code as a side effect of calling libc functions that have NIS
> > support in them. All the executables in these directories are linked
> 
> > The question then is how to seperate out the DES code without actually
> > changing any executables. There are actually three ways, all of which
> > suck. It's a matter of choosing the least suckiest.
> 
> Why not using explicit dynamic linking for this?  (dlopen(3))  Since
> you can concentrate on a single library entry point, this should be
> not too complicated.  The point is that you try to load the shared
> lib only if an actual call is made to it, rather then loading every-
> thing before the executable starts.

Because that would put the dlopen() call in libdesrpc.{so,a} and
that in turn would put it inside static binaries in /bin and /sbin,
which doesn't currently work since dlopen() doesn't exist in
scrt0.o. Putting it in keyserv works because I know keyserv will
be dynamically linked.

-Bill

-- 
=============================================================================
-Bill Paul            (212) 854-6020 | System Manager, Master of Unix-Fu
Work:         wpaul@ctr.columbia.edu | Center for Telecommunications Research
Home:  wpaul@skynet.ctr.columbia.edu | Columbia University, New York City
=============================================================================
 "It is not I who am crazy; it is I who am mad!" - Ren Hoek, "Space Madness"
=============================================================================