Merge "Added sensor_fuzzer Test: ./sensor_fuzzer"

/******************************************************************************

 *

 * Copyright (C) 2022 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.

 *

 *****************************************************************************

 */

cc_fuzz {

    name: "sensor_fuzzer",

    srcs: [

        "sensor_fuzzer.cpp",

    ],

    shared_libs: [

        "libsensor",

        "libbinder",

        "libcutils",

        "libutils",

        "liblog",

        "libhardware",

        "libpermission",

    ],

    export_shared_lib_headers: [

        "libbinder",

        "libpermission",

        "libhardware",

    ],

}

/******************************************************************************

 *

 * Copyright (C) 2022 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.

 *

 *****************************************************************************

 */

#include <fuzzer/FuzzedDataProvider.h>

#include <sensor/Sensor.h>

using namespace android;

const int MAX_STR_LEN = 32;

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

    FuzzedDataProvider fdp(data, size);

    struct sensor_t sensor_type;

    sensor_type.name = fdp.ConsumeBytesAsString(MAX_STR_LEN).c_str();

    sensor_type.vendor = fdp.ConsumeBytesAsString(MAX_STR_LEN).c_str();

    sensor_type.stringType = "";

    sensor_type.requiredPermission = "";

    sensor_type.version = fdp.ConsumeIntegral<int>();

    sensor_type.handle = fdp.ConsumeIntegral<int>();

    sensor_type.type = fdp.ConsumeIntegral<int>();

    sensor_type.maxRange = fdp.ConsumeFloatingPoint<float>();

    sensor_type.resolution = fdp.ConsumeFloatingPoint<float>();

    sensor_type.power = fdp.ConsumeFloatingPoint<float>();

    sensor_type.minDelay = fdp.ConsumeIntegral<int32_t>();

    sensor_type.fifoReservedEventCount = fdp.ConsumeIntegral<uint32_t>();

    sensor_type.fifoMaxEventCount = fdp.ConsumeIntegral<uint32_t>();

    int halVersion = fdp.ConsumeIntegral<int>();

    Sensor sensor1(&sensor_type, halVersion);

    uint8_t buffer[size];

    for (int i = 0; i < size; i++) buffer[i] = data[i];

    sensor1.flatten(buffer, size);

    std::vector<uint8_t> buffer1(sensor1.getFlattenedSize());

    auto ab = sensor1.unflatten(buffer1.data(), buffer1.size());

    return 0;

}