[Pkg-openssl-devel] Bug#895959: libnet-ssleay-perl: FTBFS with openssl 1.1.1 in exp

[Kurt Roeckx]

On Wed, Apr 18, 2018 at 09:46:06PM +0200, Sebastian Andrzej Siewior wrote:
> On 2018-04-18 16:14:37 [+0200], Kurt Roeckx wrote:
> > I can't see a reason why TLS 1.3 would be different in this regard,
> > I expect the same behaviour for all SSL/TLS version. Anyway, it
> > could just have been some code refactor that "fixed" it so that it
> > generates the error now. Or maybe the old code generated an error
> > on SSL_write() instead of the SIGPIPE?
> > 
> > It would at least be good to know how the old version behaved.
> 
> As per bisect, openssl commit 30f05b19d3ba ("Create the NewSessionTicket
> message in TLSv1.3") is responsible for the SIGPIPE.
> But I *think* this is unrelated. The perl testcase triggers reliable. My
> C test case I used yestrday triggers only under strace (but I think this
> was not the case yesterday). So I *think* this commit changed the
> timming and now the SIGPIPE is more likely.

So if I understand things, the write now happes after the other
side does the shutdown(), while it happened before previously?

Anyway, it seems to me that they should use SSL_shutdown() before
closing the connection.


Kurt