[Nagiosplug-devel] [ nagiosplug-Bugs-3614716 ] np_net_ssl_read fails to take SSL_WANT_READ into account

Holger Weiß holger at cis.fu-berlin.de
Tue Aug 20 21:37:11 UTC 2013


* William Leibzon <william at leibzon.org> [2013-07-16 15:57]:
> On Tue, Jul 16, 2013 at 3:31 PM, Holger Weiß <holger at cis.fu-berlin.de> wrote:
> > * William Leibzon <william at leibzon.org> [2013-07-16 14:28]:
> >> and SSL_WANT_READ needs to be handled.
> >
> > I was going to check whether setting SSL_MODE_AUTO_RETRY¹ would be a
> > better choice.  When using blocking I/O, I don't see the point in having
> > OpenSSL's I/O functions return SSL_WANT_READ.  I just wanted to make
> > sure this won't break GnuTLS (or older OpenSSL versions, but I think
> > they introduced SSL_MODE_AUTO_RETRY ages ago).  If GnuTLS supports
> > SSL_MODE_AUTO_RETRY, I'd happily pull a commit that sets this mode
> > (maybe wrapped in an "#ifdef SSL_MODE_AUTO_RETRY" if it's only supported
> > by newer GnuTLS versions).
> 
> Yeah, that's even better. It was added in 0.9.6 which is 2004.

Thanks for checking.  I committed this now:

https://github.com/nagios-plugins/nagios-plugins/commit/f4b90cabc002

Holger




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