selinux: add the "attach_queue" permission to the "tun_socket" class

Add a new permission to align with the new TUN multiqueue support,
"tun_socket:attach_queue".

The corresponding SELinux reference policy patch is show below:

 diff --git a/policy/flask/access_vectors b/policy/flask/access_vectors
 index 28802c5..a0664a1 100644
 --- a/policy/flask/access_vectors
 +++ b/policy/flask/access_vectors
 @@ -827,6 +827,9 @@ class kernel_service

  class tun_socket
  inherits socket
 +{
 +       attach_queue
 +}

  class x_pointer
  inherits x_device

Signed-off-by: Paul Moore <pmoore@redhat.com>
Acked-by: Eric Paris <eparis@parisplace.org>
Tested-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index df2de54a958debfab56caf3483cd5d93856e5be4..14d04e63b1f0e09ef15b4cf64057bd7cc861ed1d 100644 (file)
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -150,6 +150,6 @@ struct security_class_mapping secclass_map[] = {
            NULL } },
        { "kernel_service", { "use_as_override", "create_files_as", NULL } },
        { "tun_socket",
-         { COMMON_SOCK_PERMS, NULL } },
+         { COMMON_SOCK_PERMS, "attach_queue", NULL } },
        { NULL }
   };