[libvirt] [PATCHv2 7/8] tests: Add tests for virtio-rng device handling
Eric Blake
eblake at redhat.com
Mon Feb 25 21:05:06 UTC 2013
On 02/25/2013 03:45 AM, Peter Krempa wrote:
> On 02/23/13 01:29, Eric Blake wrote:
>> On 02/21/2013 07:47 AM, Peter Krempa wrote:
>>> Adds XML parsing and qemu commandline tests for the VirtIO RNG device
>>> support.
>>> ---
>>
>> Is it worth testing that a filename containing an XML-special character
>> is properly escaped? Other than that, this one is still good to go.
>>
>>> +++ b/tests/qemuxml2argvdata/qemuxml2argv-virtio-rng-random.xml
>>> @@ -0,0 +1,23 @@
>>
>>> + <rng model='virtio'>
>>> + <backend model='random'>/test/phile</backend>
>>
>> That is, should this use something like /test/<phile as the XML
>> encoded file name?
>>
>
> Uh, I'm not following you on this one. You mean that if the user
> specifies some characters that are invalid from the perspective of XML
> as a source path?
We should not get in the way of a user doing:
ln -s /dev/urandom '/tmp/my<evil>random'
then passing:
<backend model='random'>/tmp/my<evil>random</backend>
in their domain XML. By using virBufferEscape on the output side, we
allow the user to use XML escapes on their input to specify any valid
file name.
>
> Anyways, I fixed the issues you pointed out in 1-6 and provided
> explanation for the other stuff. I'm pushing patches 1-7 (the test suite
> can be improved at any time) now and will follow up later with a
> improved version of 8 as well as with a patch that will allow multiple
> RNG devices. That should be better to review as slicing apart the
> existing patches.
Sure, doing things as followups is fine, since you already collected
ACKs before my late review.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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