upload android base code part6

android/system/hwservicemanager/AccessControl.h

@@ -0,0 +1,31 @@
+#include <string>
+
+#include <selinux/android.h>
+#include <selinux/avc.h>
+
+namespace android {
+
+class AccessControl {
+public:
+    AccessControl();
+
+    using Context = std::unique_ptr<char, decltype(&freecon)>;
+    Context getContext(pid_t sourcePid);
+
+    bool canAdd(const std::string& fqName, const Context &context, pid_t pid);
+    bool canGet(const std::string& fqName, pid_t pid);
+    bool canList(pid_t pid);
+
+private:
+
+    bool checkPermission(const Context &context, pid_t sourceAuditPid, const char *targetContext, const char *perm, const char *interface);
+    bool checkPermission(const Context &context, pid_t sourcePid, const char *perm, const char *interface);
+
+    static int auditCallback(void *data, security_class_t cls, char *buf, size_t len);
+
+    char*                  mSeContext;
+    struct selabel_handle* mSeHandle;
+    union selinux_callback mSeCallbacks;
+};
+
+} // namespace android