Add microdroid specific sepolicy
Microdroid will have a separate sepolicy, apart from the core policy.
This is the first step; For now it's a simple copy of system/sepolicy.
For the future work, it will be stripped.
Bug: 189165759
Test: boot microdroid and see selinux enforced
Change-Id: I2fee39f7231560b49c93bd5e8d0feeffada40938
diff --git a/microdroid/sepolicy/system/public/hwservicemanager.te b/microdroid/sepolicy/system/public/hwservicemanager.te
new file mode 100644
index 0000000..7ec1872
--- /dev/null
+++ b/microdroid/sepolicy/system/public/hwservicemanager.te
@@ -0,0 +1,20 @@
+# hwservicemanager - the Binder context manager for HAL services
+type hwservicemanager, domain, mlstrustedsubject;
+type hwservicemanager_exec, system_file_type, exec_type, file_type;
+
+# Note that we do not use the binder_* macros here.
+# hwservicemanager provides name service (aka context manager)
+# for hwbinder.
+# Additionally, it initiates binder IPC calls to
+# clients who request service notifications. The permission
+# to do this is granted in the hwbinder_use macro.
+allow hwservicemanager self:binder set_context_mgr;
+
+# Scan through /system/lib64/hw looking for installed HALs
+allow hwservicemanager system_file:dir r_dir_perms;
+
+# Read hwservice_contexts
+allow hwservicemanager hwservice_contexts_file:file r_file_perms;
+
+# Check SELinux permissions.
+selinux_check_access(hwservicemanager)