Using the hole/elastic/fanin trick worked.

We’ll, that’s hitting the code with the ugly stick isn’t it? Lol.

I’m hoping that’s a “bug?” related to linger not lingering properly.

Seriously, thanks for the workaround.

Cheers,
Don


On Tue, Aug 15, 2023 at 02:44 Rob van der Heij <[email protected]> wrote:

> I suspect this is a feature of the VM SSL implementation to close the
> inbound socket when the application closes the outbound connection,
> discarding any data that is in transit outside or in the SSL path. That
> happened initially also in the other direction, but I was able to change
> some minds because you have little control over when the other side closes
> the socket. For the outbound socket, we can avoid closing it early with a
> FANIN and ELASTIC and waiting for the inbound connection to close.
> Like this:
>  ... | i: fanin | tcpclient ... | ..  hole | elastic | i:
>
> A working example is here:
> https://gist.githubusercontent.com/rvdheij/fb03574799200c14f636ef7913c753b9
> I will have a look why LINGER doesn't postpone closing the socket for the
> SECURE case. Maybe I left a piece of pipe on the floor. If you remove the
> feedback to FANIN, you'll notice it does not get anything.
>
> Sir Rob the Plumber
>
> On Tue, 15 Aug 2023 at 02:16, Donald Russell <[email protected]>
> wrote:
>
> > I also use the linger 10 and timeout 15 options on tcpclient.
> >
> > Typo in the original message: should be I CANNOT explain why one works
> and
> > the other doesn’t.
> >
> >
> >
> > On Mon, Aug 14, 2023 at 16:48 Donald Russell <[email protected]>
> > wrote:
> >
> > > I wrote a CMS exec to send an http post request using the tcpclient
> pipe
> > > stage.
> > >
> > > When I use port 80 everything works as expected.  I get the http
> response
> > > and so on.
> > >
> > > If I change to use port 443 and specify the secure getsecinfo options,
> > the
> > > request goes to the web server, the secinfo data shows tls1.2 was
> > > negotiated ok, the web server log shows the post request complete, but
> > > tcpclient doesn’t output any of the https response. I get “0 socket
> > closed”.
> > >
> > > Any suggestions for what to look at? I can explain why one works and
> the
> > > other not.  🙁
> > >
> > >
> > >
> > >
> >
>

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