1 /*
2 * Copyright (c) 2024 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
16 #include "abilityappfreezemanager_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "appfreeze_manager.h"
23 #undef private
24
25 #include "securec.h"
26 #include "ability_record.h"
27
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 namespace {
33 constexpr int INPUT_ZERO = 0;
34 constexpr int INPUT_ONE = 1;
35 constexpr int INPUT_TWO = 2;
36 constexpr int INPUT_THREE = 3;
37 constexpr size_t FOO_MAX_LEN = 1024;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr size_t OFFSET_ZERO = 24;
40 constexpr size_t OFFSET_ONE = 16;
41 constexpr size_t OFFSET_TWO = 8;
42 }
GetU32Data(const char * ptr)43 uint32_t GetU32Data(const char* ptr)
44 {
45 // convert fuzz input data to an integer
46 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
47 ptr[INPUT_THREE];
48 }
49
DoSomethingInterestingWithMyAPI(const char * data,size_t size)50 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
51 {
52 FaultData faultData;
53 OHOS::AppExecFwk::AppfreezeManager::AppInfo appInfo;
54 AppfreezeManager::ParamInfo info;
55 auto freeze = AppfreezeManager::GetInstance();
56 if (!freeze) {
57 return false;
58 }
59 freeze->AppfreezeHandle(faultData, appInfo);
60 freeze->AppfreezeHandleWithStack(faultData, appInfo);
61 freeze->LifecycleTimeoutHandle(info);
62 std::string fileName(data, size);
63 std::string bundleName(data, size);
64 freeze->IsHandleAppfreeze(bundleName);
65 int32_t pid = static_cast<int32_t>(GetU32Data(data));
66 std::string processName(data, size);
67 freeze->IsProcessDebug(pid, processName);
68 freeze->IsNeedIgnoreFreezeEvent(pid);
69 freeze->CancelAppFreezeDetect(pid, bundleName);
70 freeze->ResetAppfreezeState(pid, bundleName);
71 freeze->IsValidFreezeFilter(pid, bundleName);
72 std::string stack(data, size);
73 freeze->GetBinderPeerPids(stack, pid);
74 std::string ret(data, size);
75 freeze->FindStackByPid(ret, pid);
76 std::string faultType(data, size);
77 freeze->CatchJsonStacktrace(pid, faultType);
78 freeze->CatcherStacktrace(pid);
79 std::string memoryContent(data, size);
80 freeze->AcquireStack(faultData, appInfo, memoryContent);
81 std::string binderInfo(data, size);
82 freeze->NotifyANR(faultData, appInfo, binderInfo, memoryContent);
83 int state = static_cast<int>(GetU32Data(data));
84 freeze->SetFreezeState(pid, state);
85 freeze->GetFreezeState(pid);
86 freeze->GetFreezeTime(pid);
87 return true;
88 }
89 }
90
91 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)92 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
93 {
94 /* Run your code on data */
95 if (data == nullptr) {
96 std::cout << "invalid data" << std::endl;
97 return 0;
98 }
99
100 /* Validate the length of size */
101 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
102 return 0;
103 }
104
105 char* ch = (char*)malloc(size + 1);
106 if (ch == nullptr) {
107 std::cout << "malloc failed." << std::endl;
108 return 0;
109 }
110
111 (void)memset_s(ch, size + 1, 0x00, size + 1);
112 if (memcpy_s(ch, size + 1, data, size) != EOK) {
113 std::cout << "copy failed." << std::endl;
114 free(ch);
115 ch = nullptr;
116 return 0;
117 }
118
119 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
120 free(ch);
121 ch = nullptr;
122 return 0;
123 }
124
125