Various apparmor related changes (part )

[libvirt] [PATCH 10/12] apparmor, libvirtd: Allow ixr to /var/lib/libvirt/virtd*

Posted by Christian Ehrhardt 7 years, 4 months ago

From: Jamie Strandboge <jamie@ubuntu.com>

This is required for the ebtables functionality added in
libvirt 0.8.0.

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
---
 examples/apparmor/usr.sbin.libvirtd | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/examples/apparmor/usr.sbin.libvirtd b/examples/apparmor/usr.sbin.libvirtd
index 8d61d15..2b6b33a 100644
--- a/examples/apparmor/usr.sbin.libvirtd
+++ b/examples/apparmor/usr.sbin.libvirtd
@@ -76,6 +76,10 @@
   /usr/{lib,lib64}/xen/bin/* Ux,
   /usr/lib/xen-*/bin/libxl-save-helper PUx,
 
+  # Required by nwfilter_ebiptables_driver.c:ebiptablesWriteToTempFile() to
+  # write and run an ebtables script.
+  /var/lib/libvirt/virtd* ixr,
+
   # force the use of virt-aa-helper
   audit deny /{usr/,}sbin/apparmor_parser rwxl,
   audit deny /etc/apparmor.d/libvirt/** wxl,
-- 
2.7.4

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Re: [libvirt] [PATCH 10/12] apparmor, libvirtd: Allow ixr to /var/lib/libvirt/virtd*

Posted by Jamie Strandboge 7 years, 4 months ago

On Tue, 2017-12-19 at 16:03 +0100, Christian Ehrhardt wrote:
> From: Jamie Strandboge <jamie@ubuntu.com>
> 
> This is required for the ebtables functionality added in
> libvirt 0.8.0.
> 
> Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
> ---
>  examples/apparmor/usr.sbin.libvirtd | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/examples/apparmor/usr.sbin.libvirtd
> b/examples/apparmor/usr.sbin.libvirtd
> index 8d61d15..2b6b33a 100644
> --- a/examples/apparmor/usr.sbin.libvirtd
> +++ b/examples/apparmor/usr.sbin.libvirtd
> @@ -76,6 +76,10 @@
>    /usr/{lib,lib64}/xen/bin/* Ux,
>    /usr/lib/xen-*/bin/libxl-save-helper PUx,
>  
> +  # Required by
> nwfilter_ebiptables_driver.c:ebiptablesWriteToTempFile() to
> +  # write and run an ebtables script.
> +  /var/lib/libvirt/virtd* ixr,
> +

s/write and run/read and run/, then +1 to apply. The ixr rule makes it
so anything that is executed in there inherits this profile. This
profile is of course super-lenient, but the ix means if in the future
we choose to go more strict, the virtd scripts will also be affected.

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