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Bug 680917

Summary: rdesktop fails to connect using SmartCard on x86_64
Product: Red Hat Enterprise Linux 6 Reporter: Olivier Fourdan <ofourdan>
Component: rdesktopAssignee: Søren Sandmann Pedersen <sandmann>
Status: CLOSED ERRATA QA Contact: Desktop QE <desktop-qa-list>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.0CC: kem, mhomolov, tpelka
Target Milestone: rcKeywords: OtherQA, Patch
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard:
Fixed In Version: rdesktop-1.6.0-10.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-09-17 09:09:38 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 782183    
Attachments:
Description Flags
Proposed patch ofourdan: review?

Description Olivier Fourdan 2011-02-28 13:54:56 UTC 
Created attachment 481376 [details]
Proposed patch

Description of problem:

Using rdesktop in x86_64 fails to connect, falsely reporting that the SmartCard has been removed (while it hasn't).

Version-Release number of selected component (if applicable):

rdesktop-1.6.0-8.el6

How reproducible:

Always

Steps to Reproduce:

1. Try to connect to Windows system using the scard option:

   /usr/bin/rdesktop -u <uid> -d <domain> -r sound -k fr -g 1280x940 -a 16 -N -z -x l <server> -r scard 
  
Actual results:

rdesktop reports that the SmartCard has been removed and authentication fails

Expected results:

Authentication succeeds

Additional info:

When using scard debug, the following is seen in the logs:

    SCARD: -> Success (hcard: 0x000092a1 [0x000192a1])
    SCARD: SCardBeginTransaction(hcard: 0x000092a1 [0x000092a1])
    SCARD: SCardDisconnect(context: 0x0103c674, hcard: 0x000092a1, disposition: 0x00000000)

    SCARD: -> Success (hcard: 0x0000177f [0x0001177f])
    SCARD: SCardBeginTransaction(hcard: 0x0000177f [0x0000177f])
    SCARD: SCardDisconnect(context: 0x01037ba1, hcard: 0x0000177f, disposition: 0x00000000)

    etc.

According to this thread upstream:

    http://thread.gmane.org/gmane.network.rdesktop.devel/3052

PC/SC maintainer points out that the conversions functions scHandleToMyPCSC() and scHandleToServer() are not needed and are actually causing handle corruption in PC/SC.

   http://thread.gmane.org/gmane.network.rdesktop.devel/3052

  "[...] The functions are bogus since they corrupt the handles returned by
   pcsc-lite.

   The correction is to completely remove the two functions and use the handles
   directly(without any conversion function)."

The attached patch removes these conversion functions.
Comment 7 RHEL Program Management 2012-07-10 06:14:52 UTC 
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.
Comment 8 tvizirov 2012-07-10 11:37:12 UTC 
Yes, this have to be included in the next release.
Comment 9 RHEL Program Management 2012-07-11 01:46:16 UTC 
This request was erroneously removed from consideration in Red Hat Enterprise Linux 6.4, which is currently under development.  This request will be evaluated for inclusion in Red Hat Enterprise Linux 6.4.
Comment 13 Adam Jackson 2012-08-22 21:54:14 UTC 
A test package of this fix and others is available here:

http://people.redhat.com/~ajackson/rdesktop-test/

Please test.
Comment 19 errata-xmlrpc 2012-09-17 09:09:38 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2012-1276.html