diff --git a/cmds/servicemanager/Access.h b/cmds/servicemanager/Access.h
new file mode 100644
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+++ b/cmds/servicemanager/Access.h
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+/*
+ * Copyright (C) 2019 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.
+ */
+
+#pragma once
+
+#include <string>
+#include <sys/types.h>
+
+namespace android {
+
+// singleton
+class Access {
+public:
+    Access();
+    virtual ~Access();
+
+    Access(const Access&) = delete;
+    Access& operator=(const Access&) = delete;
+    Access(Access&&) = delete;
+    Access& operator=(Access&&) = delete;
+
+    struct CallingContext {
+        pid_t debugPid;
+        uid_t uid;
+        std::string sid;
+
+        // name of the service
+        //
+        // empty if call is unrelated to service (e.g. list)
+        std::string name;
+    };
+
+    virtual CallingContext getCallingContext(const std::string& name);
+
+    virtual bool canFind(const CallingContext& ctx);
+    virtual bool canAdd(const CallingContext& ctx);
+    virtual bool canList(const CallingContext& ctx);
+
+private:
+    bool actionAllowed(const CallingContext& sctx, const char* tctx, const char* perm);
+    bool actionAllowedFromLookup(const CallingContext& sctx, const char *perm);
+
+    char* mThisProcessContext = nullptr;
+};
+
+};