[Xen-devel] [PATCH] shype for xen / patches version 1.0

[Reiner Sailer <sailer@xxxxxxxxxx>]

Hi all,

this is a follow-up on our earlier posting:
http://lists.xensource.com/archives/html/xen-devel/2005-03/msg01406.html.
Please refer to this posting for background
information and links to technical 
reports describing the architecture.

This new sHype patch supports grant
tables. I've also worked in comments 
that I received on the earlier post
(e.g., global default ssids).

Please note that the default policy
under these patches is a "NULL" policy.  This means 
that, even after the patches are applied,
there will be *no* change to the user or administrator 
experience until a security policy is
explicitly enabled.

The sHype port consists of three patches
(tested on the xeno-unstable.bk  04/26/05):

1. shype_4_xeno-unstable.bk_v1.0_xen.diff
patch that includes the security enforcement
hooks and the access control module

2. shype_4_xeno-unstable.bk_v1.0_sparse.diff
kernel patch that adds a /proc/xen/policycmd
interface using a new policy 
hypercall to  communicate policies
between xen and the policy management tool;

3. shype_4_xeno-unstable.bk_v1.0_tools.diff
tools patch that adds support for a
new parameter security subject identifier reference 
(ssidref) in the domain configuration,
as well as a v-e-r-y simple policy tool to set binary 
policies in xen and to retrieve and
dump enforced policies from xen (tools/policytool); 
in a future version, this tool will
 read user-defined policies and compile them into the binary 
policies to be downloaded into xen.

Please refer to shype_4_xen.readme.gz
for more information about installing sHype into 
the bitkeeper version of xeno-unstable
and about experimenting with it.

Feedback welcome.
Kindest Regards

Reiner

Signed-off-by: Reiner Sailer









___________________________________________________________
Reiner Sailer, Research Staff Member,
Secure Systems Department
IBM T J Watson Research Ctr, 19 Skyline
Drive, Hawthorne NY 10532
Phone: 914 784 6280  (t/l 863)
 Fax: 914 784 6205, sailer@xxxxxxxxxx  
http://www.research.ibm.com/people/s/sailer/

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