[vold] Add argument verification to IncFS methods
+ Get rid of an extra string copy in path validation function
Bug: 152349257
Test: atest vold_tests
Change-Id: I03a8cab0dd6abd7d5c9dcbbc2acb651e818e6cd8
diff --git a/VoldNativeServiceValidation.h b/VoldNativeServiceValidation.h
new file mode 100644
index 0000000..d2fc9e0
--- /dev/null
+++ b/VoldNativeServiceValidation.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 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 <binder/Status.h>
+
+#include <string>
+
+#include <stdint.h>
+#include <sys/types.h>
+
+namespace android::vold {
+
+binder::Status Ok();
+binder::Status Exception(uint32_t code, const std::string& msg);
+
+binder::Status CheckPermission(const char* permission);
+binder::Status CheckUidOrRoot(uid_t expectedUid);
+binder::Status CheckArgumentId(const std::string& id);
+binder::Status CheckArgumentPath(const std::string& path);
+binder::Status CheckArgumentHex(const std::string& hex);
+
+} // namespace android::vold