1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15#include "abilityappmgrevent_fuzzer.h"
16
17#define private public
18#include "app_mgr_event.h"
19#undef private
20
21#include <cstddef>
22#include <cstdint>
23#include <iostream>
24#include "securec.h"
25#include "configuration.h"
26using namespace OHOS::AppExecFwk;
27
28namespace OHOS {
29namespace {
30constexpr size_t FOO_MAX_LEN = 1024;
31constexpr size_t U32_AT_SIZE = 4;
32}
33
34uint32_t GetU32Data(const char* ptr)
35{
36    // convert fuzz input data to an integer
37    return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
38}
39
40bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
41{
42    std::shared_ptr<AppRunningRecord> callerAppRecord;
43    std::shared_ptr<AppRunningRecord> appRecord;
44    std::string stringParam(data, size);
45    AppMgrEventUtil::SendCreateAtomicServiceProcessEvent(callerAppRecord, appRecord,
46        stringParam, stringParam);
47    AAFwk::EventInfo eventInfo;
48    AppMgrEventUtil::SendProcessStartEvent(callerAppRecord, appRecord, eventInfo);
49    int32_t appUid = static_cast<int32_t>(GetU32Data(data));
50    int64_t restartTime = static_cast<int64_t>(GetU32Data(data));
51    AppMgrEventUtil::SendReStartProcessEvent(eventInfo, appUid, restartTime);
52    AppMgrEventUtil::GetCallerPid(callerAppRecord);
53    std::shared_ptr<AbilityInfo> abilityInfo;
54    int32_t abilityType = static_cast<int32_t>(GetU32Data(data));
55    int32_t extensionType = static_cast<int32_t>(GetU32Data(data));
56    AppMgrEventUtil::UpdateStartupType(abilityInfo, abilityType, extensionType);
57    return true;
58}
59}
60
61/* Fuzzer entry point */
62extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
63{
64    /* Run your code on data */
65    if (data == nullptr) {
66        std::cout << "invalid data" << std::endl;
67        return 0;
68    }
69
70    /* Validate the length of size */
71    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
72        return 0;
73    }
74
75    char* ch = (char*)malloc(size + 1);
76    if (ch == nullptr) {
77        std::cout << "malloc failed." << std::endl;
78        return 0;
79    }
80
81    (void)memset_s(ch, size + 1, 0x00, size + 1);
82    if (memcpy_s(ch, size, data, size) != EOK) {
83        std::cout << "copy failed." << std::endl;
84        free(ch);
85        ch = nullptr;
86        return 0;
87    }
88
89    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
90    free(ch);
91    ch = nullptr;
92    return 0;
93}
94
95