ability_ability_runtime/test/fuzztest/abilityappdebugmanager_fuzzer/abilityappdebugmanager_fuzzer.cpp

/*
 * Copyright (c) 2022 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 "abilityappdebugmanager_fuzzer.h"

#define private public
#include "app_debug_manager.h"
#include "app_debug_listener_proxy.h"
#undef private

#include <iostream>
#include "securec.h"
#include "configuration.h"

using namespace OHOS::AppExecFwk;

namespace OHOS {
namespace {
constexpr size_t U32_AT_SIZE = 4;
}

bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
{
    std::shared_ptr<AppDebugManager> manager=std::make_shared<AppDebugManager>();
    if (!manager) {
        return false;
    }
    sptr<IAppDebugListener> listener;
    manager->RegisterAppDebugListener(listener);
    manager->UnregisterAppDebugListener(listener);
    std::vector<AppDebugInfo> infos;
    manager->StartDebug(infos);
    manager->StopDebug(infos);
    std::string stringParam(data, size);
    manager->IsAttachDebug(stringParam);
    AppDebugInfo info;
    manager->RemoveAppDebugInfo(info);
    std::vector<AppDebugInfo> incrementInfos;
    manager->GetIncrementAppDebugInfos(infos, incrementInfos);
    return true;
}
}

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    /* Run your code on data */
    if (data == nullptr) {
        std::cout << "invalid data" << std::endl;
        return 0;
    }

    /* Validate the length of size */
    if (size < OHOS::U32_AT_SIZE) {
        return 0;
    }

    char* ch = (char*)malloc(size + 1);
    if (ch == nullptr) {
        std::cout << "malloc failed." << std::endl;
        return 0;
    }

    (void)memset_s(ch, size + 1, 0x00, size + 1);
    if (memcpy_s(ch, size, data, size) != EOK) {
        std::cout << "copy failed." << std::endl;
        free(ch);
        ch = nullptr;
        return 0;
    }

    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
    free(ch);
    ch = nullptr;
    return 0;
}