[libvirt] [PATCH v2] apparmor: QEMU bridge helper policy updates

[Jamie Strandboge]

On Tue, 2012-03-13 at 08:42 -0400, Corey Bryant wrote:
> This patch provides AppArmor policy updates for the QEMU bridge helper.
> The QEMU bridge helper is a SUID executable exec'd by QEMU that drops
> capabilities to CAP_NET_ADMIN and adds a tap device to a network
> bridge. For more details on the helper, please refer to:
> 
> http://lists.gnu.org/archive/html/qemu-devel/2012-01/msg03562.html
> 
> Signed-off-by: Corey Bryant <coreyb at linux.vnet.ibm.com>
> ---
>  examples/apparmor/libvirt-qemu |   22 +++++++++++++++++++++-
>  1 files changed, 21 insertions(+), 1 deletions(-)
> 
> diff --git a/examples/apparmor/libvirt-qemu b/examples/apparmor/libvirt-qemu
> index 10cdd36..c5a11b6 100644
> --- a/examples/apparmor/libvirt-qemu
> +++ b/examples/apparmor/libvirt-qemu
> @@ -1,4 +1,4 @@
> -# Last Modified: Mon Apr  5 15:11:27 2010
> +# Last Modified: Fri Mar  9 14:43:22 2012
>  
>    #include <abstractions/base>
>    #include <abstractions/consoles>
> @@ -108,3 +108,23 @@
>    /bin/dash rmix,
>    /bin/dd rmix,
>    /bin/cat rmix,
> +
> +  /usr/libexec/qemu-bridge-helper Cx,
> +
> +  # child profile for bridge helper process
> +  profile /usr/libexec/qemu-bridge-helper {
> +    #include <abstractions/base>
> +
> +    capability setuid,
> +    capability setgid,
> +    capability setpcap,
> +    capability net_admin,
> +
> +    network inet stream,
> +
> +    /dev/net/tun rw,
> +    /etc/qemu/** r,
> +    owner @{PROC}/*/status r,
> +
> +    /usr/libexec/qemu-bridge-helper rmix,
> +  }

The policy looks good to me. Thanks! It might make more sense to have
this committed when libvirt has qemu-bridge-helper, but others can
decide on that.

Acked-By: Jamie Strandboge <jamie at canonical.com>


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