[Stackless] SocketBio and the mysterious sslwrap
Kristján Valur Jónsson
kristjan at ccpgames.com
Wed Oct 24 13:48:37 CEST 2012
The problem is that the patched _ssl module mentioned in stacklesslib is code that is proprietory to CCP :)
I did this to allow one to wrap a python object, not just a socket, so that the _ssl module would call python callbacks for the actual data transfer, rather than attempt doing its own socket communications.
This would allow you to put any actual transport mechanism in place.
I could make this part of the 2.x stackless distro.
in 3.x, I think , they already use openssl, which is more low level and allows you to drive the ssl thingie yourself. But I haven't looked.
From: stackless-bounces at stackless.com [mailto:stackless-bounces at stackless.com] On Behalf Of Adam Turk
Sent: 23. október 2012 14:47
To: stackless at stackless.com
Subject: [Stackless] SocketBio and the mysterious sslwrap
2.7.2 Stackless 3.1b3 060516 (default, Oct 22 2012, 11:45:30) [GCC 4.5.2]
Stacklesslib Unreleased version (1.0.4?)
I'm working on a project that requires SleekXMPP to run under Stackless. Sleek likes to make use of SSL and TLS, and everything seems good until Sleek calls do_handshake() on the SSLSocket and a call way down the C stack returns Errno 9 Bad file descriptor. The problem is that SSL will return this if there's a cert trust problem, but I don't think that's the whole issue. It's possibly related to the fact that I wasn't able to use SocketBio, using a proxy object instead to get the _socket.socket inheritance that _ssl.sslwrap seems to require. There's a note in the comments for patch_ssl() that mentions a modifed _ssl module that can wrap any object, not just _socket.socket, but I found no other reference. Sleek without Stackless and monkeypatching works flawlessly. Has anyone had similar issues using Stackless with SSL? Possibly even with Sleek?
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