Re: [Qemu-devel] [PATCH 0/4] net-bridge: rootless bridge support for qemu

[Anthony Liguori <anthony@codemonkey.ws>]

Avi Kivity wrote:
> On 11/07/2009 11:14 AM, Avi Kivity wrote:
>> I'd welcome -net bridge as one of them.  But we shouldn't try to 
>> invent access control systems or install suid helpers.
>
> We can make the helper a script that does
>
>   exec sudo /the/real/helper "$@"
>
> so a user can add it to /etc/sudoers and get pre-authenticated 
> configuration.

The key point of the helper here is that you pass an fd to a socketpair 
and you then receive an fd over that socket.  What the helper does is 
really less important.  Whether it's a script like you suggest or 
something like I proposed doesn't matter from a qemu perspective.

Whether the qemu-bridge-helper should live in qemu or somewhere else is 
a valid thing to discuss.  In my next posting, I'll have things 
restructured to separate out the two so that they two series can be 
considered independently.

Regards,

Anthony Liguori