[SUMMARY] OpenSSH binaries not using Zlib?

From: David Foster <foster_at_dim.ucsd.edu>
Date: Wed Mar 13 2002 - 17:51:44 EST
Problem:   [Solaris 8]

   After re-compiling OpenSSH after Zlib upgrade, 'ldd'
   wasn't showing the library in the OpenSSH binaries. I wanted
   to be sure they were using the latest Zlib library, and not
   Sun's own (/usr/lib/libz.so).

   My new Zlib library /usr/local/lib/zlib.a is STATIC, therefore
   ldd won't show it. Duh.
   If Sun's Zlib was being used, it _would_ show up since it's
   a shared object (.so).
I just noticed on the Bugtraq list, someone mentioned 'crle',
which looks pretty cool! It allows you to set runtime linking
parameters so you don't need LD_LIBRARY_PATH.

Dave Foster

> I am re-compiling my OpenSSH 3.1 implementation following
> the recent Zlib vulnerability, and I notice that the binaries
> don't seem to link to the Zlib library.
> I'm using
> 	./configure ... --with-zlib=/usr/local/lib
> but
>     $ ldd ssh
>         libsocket.so.1 =>        /usr/lib/libsocket.so.1
>         libnsl.so.1 =>   /usr/lib/libnsl.so.1
>         libc.so.1 =>     /usr/lib/libc.so.1
>         libdl.so.1 =>    /usr/lib/libdl.so.1
>         libmp.so.2 =>    /usr/lib/libmp.so.2
>         /usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1
> And just today there was a post from someone on Bugtraq who used --with-zlib
> but found that HIS binaries linked to Sun's own library in /usr/lib. He
> said he couldn't get it to use his updated version.
> What gives?
> Dave Foster

   << All opinions expressed are mine, not the University's >>

   David Foster    National Center for Microscopy and Imaging Research
    Programmer/Analyst     University of California, San Diego
    dfoster@ucsd.edu       Department of Neuroscience, Mail 0608
    (858) 534-7968         http://ncmir.ucsd.edu/

   "The reasonable man adapts himself to the world; the unreasonable one
   persists in trying to adapt the world to himself.  Therefore, all progress
   depends on the unreasonable."   -- George Bernard Shaw
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Received on Wed Mar 13 16:52:14 2002

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