[libvirt] [Libguestfs] get virtual machine`s ip address

[Richard W.M. Jones]

On Thu, May 10, 2012 at 08:24:31AM -0700, THO HUYNH wrote:
> I`m writing 2 simple socket programs: Client program runs on guest,
> server program runs on host machine.
>
> The server need the dom xml name of the guest which is running the
> client program and the only information the server program has is
> the guest`s ip address. [...]  Is there another way to get the dom
> xml name of a guest from an ip address (if the ip address belongs to
> that guest).

CC'd to libvir-list, since this is really a libvirt question.

The trouble with the architecture you've described is that it relies
on the IP source address for authentication, one of those things you
should never do if you care about security:

https://en.wikipedia.org/wiki/IP_address_spoofing

Maybe because it's TCP, and it's a closed system with a firewall, you
can get away with it.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-p2v converts physical machines to virtual machines.  Boot with a
live CD or over the network (PXE) and turn machines into Xen guests.
http://et.redhat.com/~rjones/virt-p2v