Date: Sun, 15 Dec 1996 19:33:36 -0500 (EST) From: Bill Paul <wpaul@skynet.ctr.columbia.edu> To: joerg_wunsch@uriah.heep.sax.de Cc: current@freebsd.org Subject: Re: Plan for integrating Secure RPC -- comments wanted Message-ID: <199612160033.TAA05740@skynet.ctr.columbia.edu> 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"
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