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"
26 using namespace OHOS::AppExecFwk;
27
28 namespace OHOS {
29 namespace {
30 constexpr size_t FOO_MAX_LEN = 1024;
31 constexpr size_t U32_AT_SIZE = 4;
32 constexpr int INPUT_ZERO = 0;
33 constexpr int INPUT_ONE = 1;
34 constexpr int INPUT_THREE = 3;
35 constexpr uint8_t ENABLE = 2;
36 constexpr size_t OFFSET_ZERO = 24;
37 constexpr size_t OFFSET_ONE = 16;
38 constexpr size_t OFFSET_TWO = 8;
39 }
40
GetU32Data(const char * ptr)41 uint32_t GetU32Data(const char* ptr)
42 {
43 // convert fuzz input data to an integer
44 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
45 ptr[INPUT_THREE];
46 }
47
DoSomethingInterestingWithMyAPI(const char * data,size_t size)48 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
49 {
50 std::shared_ptr<AppRunningRecord> callerAppRecord;
51 std::shared_ptr<AppRunningRecord> appRecord;
52 std::string stringParam(data, size);
53 AppMgrEventUtil::SendCreateAtomicServiceProcessEvent(callerAppRecord, appRecord,
54 stringParam, stringParam);
55 AAFwk::EventInfo eventInfo;
56 AppMgrEventUtil::SendProcessStartEvent(callerAppRecord, appRecord, eventInfo);
57 int32_t appUid = static_cast<int32_t>(GetU32Data(data));
58 int64_t restartTime = static_cast<int64_t>(GetU32Data(data));
59 AppMgrEventUtil::SendReStartProcessEvent(eventInfo, appUid, restartTime);
60 AppMgrEventUtil::GetCallerPid(callerAppRecord);
61 std::shared_ptr<AbilityInfo> abilityInfo;
62 int32_t abilityType = static_cast<int32_t>(GetU32Data(data));
63 int32_t extensionType = static_cast<int32_t>(GetU32Data(data));
64 AppMgrEventUtil::UpdateStartupType(abilityInfo, abilityType, extensionType);
65 return true;
66 }
67 }
68
69 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)70 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
71 {
72 /* Run your code on data */
73 if (data == nullptr) {
74 std::cout << "invalid data" << std::endl;
75 return 0;
76 }
77
78 /* Validate the length of size */
79 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
80 return 0;
81 }
82
83 char* ch = (char*)malloc(size + 1);
84 if (ch == nullptr) {
85 std::cout << "malloc failed." << std::endl;
86 return 0;
87 }
88
89 (void)memset_s(ch, size + 1, 0x00, size + 1);
90 if (memcpy_s(ch, size, data, size) != EOK) {
91 std::cout << "copy failed." << std::endl;
92 free(ch);
93 ch = nullptr;
94 return 0;
95 }
96
97 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
98 free(ch);
99 ch = nullptr;
100 return 0;
101 }
102
103