[libvirt] [PATCH] virt-aa-helper should require <uuid> in XML

[Jamie Strandboge]

When <uuid> is not in the XML, a virUUIDGenerate() ends up being called
which is unnecessary and can lead to crashes if /dev/urandom isn't
available because virRandomInitialize() is not called within
virt-aa-helper. This patch adds verify_xpath_context() and updates
caps_mockup() to use it.

This is https://launchpad.net/bugs/672943

-- 
Jamie Strandboge             | http://www.canonical.com

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