diff --git a/aosp/permission.h b/aosp/permission.h
new file mode 100644
index 0000000..46eaad0
--- /dev/null
+++ b/aosp/permission.h
@@ -0,0 +1,40 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#ifndef UPDATE_ENGINE_COMMON_PERMISSION_H_
+#define UPDATE_ENGINE_COMMON_PERMISSION_H_
+
+#include <binder/Status.h>
+#include <binderwrapper/binder_wrapper.h>
+#ifdef __ANDROID__
+#include <array>
+#include <private/android_filesystem_config.h>
+#include <algorithm>
+
+namespace chromeos_update_engine {
+static constexpr std::array<uid_t, 2> kAllowedUids = {AID_ROOT, AID_SYSTEM};
+
+template <typename Container, typename T>
+bool Contains(const Container& container, const T& t) {
+  return std::find(container.begin(), container.end(), t) != container.end();
+}
+
+android::binder::Status CheckCallingUid();
+
+}  // namespace chromeos_update_engine
+#endif  // __ANDROID__
+
+#endif  // UPDATE_ENGINE_COMMON_PERMISSION_H_