Open Stack

Hi, I'd like you to take a look at this patch for potential
SecurityImpact.
https://review.openstack.org/210042

Log:
commit f1cc07d43764c7d3e6aea5abfd571df92b7ada00
Author: Erno Kuvaja <jokke at usr.fi>
Date:   Thu Aug 6 16:29:28 2015 +0000

    Add mechanism to limit Request ID size
    
    Adding 'max_request_id_length' defaulting to 0 for backportability.
    
    DocImpact
    SecurityImpact
    
    Conflicts:
    	doc/source/configuring.rst
    	glance/api/middleware/context.py
    
    Closes-Bug: #1482301
    Change-Id: Ie68afe7610a414bbcc42ff3bee33a9779303c115
    (cherry picked from commit da1ccf5dcf663cff310ac7031e6f7a08431a771e)