[erlang-patches] R11B SSL patch

Ingela Anderton Andin <>
Mon Jul 28 14:14:24 CEST 2008


Hi,

thank you for the patch. I have created a ticket for this and we will 
try it out when we can find some time for it.  However we are in  the 
process of
making a new ssl-implementation  in erlang that will replace the 
ssl-driver version as soon as it is complete enough.  A trail-version is 
already available in R12B
but it does not yet support all necessary features and ssl/tls versions 
to replace the old ssl.

Regards - Ingela,  Erlang/OTP Ericsson
 

Oscar Hellström wrote:
> Hi,
>
> I've noticed quite a few problems with the SSL driver exiting after 
> printing "esock: Got connect request while PASSIVE". This is probably 
> more easily triggered when the ssl:accept/2 is called with a timeout 
> in a loop (since I suspect that it then sends the NOACCEPT command to 
> the port quite often).
>
> My suspicion is that if a connection attempt have been received, and 
> polled from the listener socket, when the is an ESOCK_NOACCEPT_CMD 
> waiting we'll end up receiving the connect event in 
> ESOCK_PASSIVE_LISTENING further down in the loop. I don't quite 
> understand why we need to exit whenever we poll a connection on a 
> listener socket in ESOCK_PASSIVE_LISTENING state, but I guess it's 
> because there shouldn't be an event there. To avoid this I've added a 
> function to the esock_poll.c which can clear events for the fd in 
> question. This should avoid the driver exiting with the "esock: Got 
> connect request while PASSIVE" message and thus taking down all the 
> SSL connections.
>
> Please note that this has ONLY been tested with the poll interface and 
> not even complied with select.
>
> There has also been two emails describing this problem:
> http://www.erlang.org/pipermail/erlang-questions/2006-September/022755.html 
> http://www.erlang.org/pipermail/erlang-bugs/2008-June/000829.html
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