[Info-vax] "bad select 38" (OpenSSL on VMS)

[John E. Malmberg]

On 9/13/2016 5:55 PM, Stephen Hoffman wrote:
> On 2016-09-13 22:31:07 +0000, John Reagan said:
>
>> There is a CRTL feature logical to ask select() to ignore file
>> descriptors instead of causing an error.  I don't have it on-hand, I'm
>> at the hospital visiting my father.
>
> That likely won't work here, as the s_client code uses standard input as
> one of the sources for the select().
>
> Was going to use the work-around listed, but that's not necessary as
> upgrading to SSL1 1.0.1h has resolved this bug.
>
> Still trying to sort out the underlying TLS problem that led to testing
> connections with the s_client in the SSL1 kit, but that's fodder for
> another discussion and another time, and more debugging.
>
> Haven't seen whether the changes were fed back, but didn't look too
> carefully at the github master for the file, and I know the changes
> aren't in the s_client from 1.0.1 head.
>
> I'd expect that enhancing select() to better implement the expected
> behavior from other systems — removing the present OpenVMS limitations —
> is on the list somewhere, but probably not near the top.

Hidden in the source code for many of the updated GNV utilities, 
including Bash and coreutils is a wrapper for select() and poll() that 
handles terminals, sockets, pipes, and if you prepare things right with 
dup2() to reserve the descriptor number, X11 (implemented in VMS as 
event flags).

Regards,
-John
wb8tyw at qsl.net_work