On Tue, Feb 02, 2016 at 05:56:35PM -0800, Daniele Di Proietto wrote:
> This check prevents an obvious way for a vhost-user socket to escape the
> intended directory.
> 
> There might be other ways to escape the directory (none comes to mind at
> the moment), but this is a problem that should be properly solved by
> mandatory access control.
> 
> A similar check is done for a bridge name, since that name is used as
> part of a socket as well.
> 
> Signed-off-by: Daniele Di Proietto <diproiet...@vmware.com>

I am not sure whether the restriction for .. is necessary.  Do you have
something in mind there?

I think that we should restrict \ as well as /, in case we support DPDK
on Windows someday.

Do we have a place to document this restriction?
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