[Xen-devel] [PATCH 4/5] flask/policy: xenstore stubdom policy

[Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>]

This adds the xenstore_t type to the example policy for use by a
xenstore stub domain.

Signed-off-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
---
 tools/flask/policy/modules/modules.conf |  3 +++
 tools/flask/policy/modules/xenstore.te  | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 tools/flask/policy/modules/xenstore.te

diff --git a/tools/flask/policy/modules/modules.conf 
b/tools/flask/policy/modules/modules.conf
index 2dfc011..8ffd00e 100644
--- a/tools/flask/policy/modules/modules.conf
+++ b/tools/flask/policy/modules/modules.conf
@@ -33,6 +33,9 @@ nomigrate = on
 # Example device policy.  Also see policy/device_contexts.
 nic_dev = on
 
+# Xenstore stub domain.
+xenstore = on
+
 # Allow all domains to use system_u:system_r: instead of requiring explicit
 # roles.  This is not required for dom0_t, domU_t, and dm_dom_t.
 default_role = on
diff --git a/tools/flask/policy/modules/xenstore.te 
b/tools/flask/policy/modules/xenstore.te
new file mode 100644
index 0000000..2ae7a1d
--- /dev/null
+++ b/tools/flask/policy/modules/xenstore.te
@@ -0,0 +1,21 @@
+################################################################################
+#
+# Xenstore stubdomain
+#
+################################################################################
+declare_singleton_domain(xenstore_t)
+create_domain(dom0_t, xenstore_t)
+manage_domain(dom0_t, xenstore_t)
+
+# Xenstore requires the global VIRQ for domain destroy operations
+allow dom0_t xenstore_t:domain set_virq_handler;
+# Current xenstore stubdom uses the hypervisor console, not "xl console"
+allow xenstore_t xen_t:xen writeconsole;
+# Xenstore queries domaininfo on all domains
+allow xenstore_t domain_type:domain getdomaininfo;
+
+# As a shortcut, the following 3 rules are used instead of adding a 
domain_comms
+# rule between xenstore_t and every domain type that talks to xenstore
+create_channel(xenstore_t, domain_type, xenstore_t_channel)
+allow event_type xenstore_t: event bind;
+allow xenstore_t domain_type:grant { map_read map_write unmap };
-- 
2.5.5


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