openssl upgrade, libcrypto, libssl confusion

[Garrett Cooper]

On Wed, Jul 25, 2012 at 5:06 AM, Anton Shterenlikht <mexas at bristol.ac.uk> wrote:
> On Wed, Jul 25, 2012 at 12:30:29PM +0100, Anton Shterenlikht wrote:
>> In /usr/src/UPDATING I see
>>
>> 20120712:
>>         The OpenSSL has been upgraded to 1.0.1c.  Any binaries requiring
>>         libcrypto.so.6 or libssl.so.6 must be recompiled.  Also, there are
>>         configuration changes.  Make sure to merge /etc/ssl/openssl.cnf.
>
> oops.. wait a minute, I'm still on
>
> # uname -a
> FreeBSD mech-cluster241.men.bris.ac.uk 10.0-CURRENT FreeBSD 10.0-CURRENT #6 r237134: Mon Jun 18 09:02:17 BST 2012     root at mech-cluster241.men.bris.ac.uk:/usr/obj/usr/src/sys/TZAV  ia64
> #
>
> So this change shouldn't apply to me yet.
>
> Still there are *lots* of binaries, and libs
> linked with /lib/libcrypto.so.6:
>
> Binaries that are linked with: /lib/libcrypto.so.6

...

> and so on,
>
> so is it really right that I can safely delete it?

    Some ldd/objdump and grep magic will give you the answer you need.
check-old-libs only points out candidates for removal based on
existence.
Cheers,
-Garrett