netdev - [RFC PATCH v3 1/2] selinux: add the "attach_queue" permission to the "tun

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Message-ID: <20121218225344.16104.63120.stgit@localhost>
Date:	Tue, 18 Dec 2012 17:53:45 -0500
From:	Paul Moore <pmoore@...hat.com>
To:	netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
	selinux@...ho.nsa.gov
Cc:	jasowang@...hat.com, mst@...hat.com
Subject: [RFC PATCH v3 1/2] 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@...hat.com>
---
 security/selinux/include/classmap.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index df2de54..14d04e6 100644
--- 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 }
   };

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