X2Go Bug report logs - #1056
H264 videos working badly

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Date: Fri, 8 Jul 2016 15:22:32 +0200 (CEST)
From: Walid MOGHRABI <w.moghrabi@servicemagic.eu>
To: submit@bugs.x2go.org
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Subject: H264 videos working badly
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Package: x2gobroker-authservice 
Version: 0.0.3.0 
Severity: grave
Tags: stable,patch

For days I was struggling with x2gobroker-authservice not working when authenticating against PAM.
I eventualy discovered it was the pam class instanciation in /usr/sbin/x2gobroker-authservice that was not working with the following error : 

error: uncaptured python exception, closing channel <__main__.AuthClient connected '' at 0x7f0aa5c11f80> (<type 'exceptions.AttributeError'>:'module' object has no attribute 'authenticate' [/usr/lib/python2.7/asyncore.py|read|83] [/usr/lib/python2.7/asyncore.py|handle_read_event|449] [/usr/sbin/x2gobroker-authservice|handle_read|81])

It seems the pam.py module has probably been refaktored in this Ubuntu making the authservice failing.

Here is a patch for the fix :

-----------------------------------------------------------------------------------------
--- /usr/sbin/x2gobroker-authservice.dist	2016-07-08 15:07:40.387403000 +0200
+++ /usr/sbin/x2gobroker-authservice	2016-07-08 15:07:00.219403000 +0200
@@ -78,7 +78,11 @@
                 self.send('bad\n')
                 self.logger.warning('bad authentication data received')
             else:
-                if pam.authenticate(user, passwd, service):
+                if pam.pam:
+                    opam = pam.pam()
+                else:
+                    opam = pam
+                if opam.authenticate(user, passwd, service):
                     self.send('ok\n')
                     self.logger.info('successful authentication for \'{user}\' with password \'<hidden>\' against PAM service \'{service}\''.format(user=user, service=service))
                 else:
-----------------------------------------------------------------------------------------


Test conditions :
===============
    * Ubuntu Server 16.04 LTS up to date (2016-07-08)
    * python-pampy : 1.8.2
    * x2gobroker-authservice : 0.0.3.0 (from x2go/stable ppa)



Best regards,

Walid Moghrabi
	
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