Open Stack

Hi, I'd like you to take a look at this patch for potential
SecurityImpact.
https://review.openstack.org/36078

Log:
commit 1c7c0e810223ff5c67b8a424cf99656fde7ed1b0
Author: Lance Bragstad <ldbragst at us.ibm.com>
Date:   Mon Jul 1 19:49:21 2013 +0000

    Address security concerns in PowerVM Driver
    
    Add two methods to common.py that will help build and check commands
    being sent to the remote VIOS system to prevent shell injection.
    
    fixes bug 1192971
    
    [SecurityImpact]
    
    Change-Id: If5ac48c5c889034c7b0ba24d977e8f4a14137a12