/* * Copyright (c) 2025 Huawei Device Co., Ltd. * 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. */ #include "setusageenhanced_fuzzer.h" #include #include #include #include #include "securec.h" #include "vibrator_agent.h" namespace OHOS { namespace { constexpr size_t DATA_MIN_SIZE = 12; } // namespace template size_t GetObject(const uint8_t *data, size_t size, T &object) { size_t objectSize = sizeof(object); if (objectSize > size) { return 0; } errno_t ret = memcpy_s(&object, objectSize, data, objectSize); if (ret != EOK) { return 0; } return objectSize; } bool SetUsageEnhancedFuzzTest(const uint8_t *data, size_t size) { if (data == nullptr || size < DATA_MIN_SIZE) { return false; } VibratorIdentifier identifier; size_t startPos = 0; int32_t usage = 0; startPos += GetObject(data + startPos, size - startPos, identifier.deviceId); startPos += GetObject(data + startPos, size - startPos, identifier.vibratorId); GetObject(data + startPos, size - startPos, usage); bool ret = OHOS::Sensors::SetUsageEnhanced(identifier, usage); if ((((usage < 0) || (usage >= USAGE_MAX)) && ret == true) || (((usage > 0) && (usage < USAGE_MAX)) && ret != false)) { return false; } return true; } } // namespace OHOS extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { OHOS::SetUsageEnhancedFuzzTest(data, size); return 0; }