If we close the ssl instantly then that’s a point of DDOS.  Relying on the
idleness timers is important for handling connections in a bad state like
this example. What’s the exception that unit test is supposed to cause?

On Thu, Feb 24, 2022 at 4:56 PM Emmanuel Lécharny <elecha...@gmail.com>
wrote:

> So the idea is first to loop on a NEED_TASK because we may need to send
> the alert before closing the connection (but I need to triple check
> that, it's a bit late here, and the day was a bit tough on my brain with
> all the bad news...)
>
> On 24/02/2022 19:18, Emmanuel Lécharny wrote:
> >
> >
> > On 24/02/2022 17:21, Jonathan Valliere wrote:
> >> If we were to elevate this error in another way like an error handler
> >> then what would you do? Close the session?
> >
> > Actually, yes, we should send a Error alert (see
> > https://datatracker.ietf.org/doc/html/rfc8446#section-6, par. 6.2) and
> > close the session.
> >
> >
> >>
> >> On Thu, Feb 24, 2022 at 10:35 AM Emmanuel Lécharny
> >> <elecha...@gmail.com <mailto:elecha...@gmail.com>> wrote:
> >>
> >>     Understood, but here if a task fails, I'm not sure the exception
> >>     will be
> >>     handled at all. In the case of a handshake, nothing will be written
> >>     back
> >>     to the remote client, AFAICT, so the connection will remain pending
> >>     forever.
> >>
> >>     On 24/02/2022 14:23, Jonathan Valliere wrote:
> >>      > The reason I did this was an ensure the concurrency model of the
> >>      > filterchain.
> >>      >
> >>      > On Thu, Feb 24, 2022 at 8:22 AM Jonathan Valliere
> >>      > <jon.valli...@emoten.com <mailto:jon.valli...@emoten.com>
> >>     <mailto:jon.valli...@emoten.com <mailto:jon.valli...@emoten.com>>>
> >>     wrote:
> >>      >
> >>      >     The pending error is elevated back on either read or
> >> write.  That
> >>      >     way the async error will be thrown on a filter chain call
> >> stack.
> >>      >
> >>      >     On Wed, Feb 23, 2022 at 11:13 PM Emmanuel Lécharny
> >>      >     <elecha...@gmail.com <mailto:elecha...@gmail.com>
> >>     <mailto:elecha...@gmail.com <mailto:elecha...@gmail.com>>> wrote:
> >>      >
> >>      >         Hi Jonathan,
> >>      >
> >>      >         I have a test that isn't happy with the way we deal with
> >>      >         delegatedTasks
> >>      >         in MINA 2.2 new SSLFilter implementation.
> >>      >
> >>      >         The context:
> >>      >         We do a TLS connection with a wrong certificate, the
> >> test is
> >>      >         expected to
> >>      >         fail, because of this error:
> >>      >
> >>      >         javax.net.ssl.SSLHandshakeException: PKIX path building
> >>     failed:
> >>      >
> >>  sun.security.provider.certpath.SunCertPathBuilderException:
> >>      >         unable to
> >>      >         find valid certification path to requested target
> >>      >
> >>      >         The problem is that this exception is never caught, for
> >> some
> >>      >         reason I'm
> >>      >         trying to understand.The SSLHandlerG0.execute_task do
> >>     catch an
> >>      >         exception
> >>      >         and stores it into the mPendingError variable, but this
> >>     is never
> >>      >         used.
> >>      >
> >>      >         --
> >>      >         *Emmanuel Lécharny - CTO* 205 Promenade des Anglais –
> >>     06200 NICE
> >>      >
> >>  <
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> >>
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