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 U32_AT_SIZE = 4;
38 constexpr size_t OFFSET_ZERO = 24;
39 constexpr size_t OFFSET_ONE = 16;
40 constexpr size_t OFFSET_TWO = 8;
41 }
GetU32Data(const char * ptr)42 uint32_t GetU32Data(const char* ptr)
43 {
44 // convert fuzz input data to an integer
45 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
46 ptr[INPUT_THREE];
47 }
48
DoSomethingInterestingWithMyAPI(const char * data,size_t size)49 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
50 {
51 FaultData faultData;
52 OHOS::AppExecFwk::AppfreezeManager::AppInfo appInfo;
53 AppfreezeManager::ParamInfo info;
54 auto freeze = AppfreezeManager::GetInstance();
55 if (!freeze) {
56 return false;
57 }
58 freeze->AppfreezeHandle(faultData, appInfo);
59 freeze->AppfreezeHandleWithStack(faultData, appInfo);
60 freeze->LifecycleTimeoutHandle(info);
61 std::string fileName(data, size);
62 std::string bundleName(data, size);
63 freeze->IsHandleAppfreeze(bundleName);
64 int32_t pid = static_cast<int32_t>(GetU32Data(data));
65 std::string processName(data, size);
66 freeze->IsProcessDebug(pid, processName);
67 std::string errorName(data, size);
68 freeze->IsNeedIgnoreFreezeEvent(pid, errorName);
69 freeze->CancelAppFreezeDetect(pid, bundleName);
70 freeze->ResetAppfreezeState(pid, bundleName);
71 freeze->IsValidFreezeFilter(pid, bundleName);
72 std::string stack(data, size);
73 std::set<int> asyncPids;
74 AppfreezeManager::TerminalBinder terminalBinder = {0, 0};
75 AppfreezeManager::ParseBinderParam params = {0, 0, 0, 0};
76 freeze->GetBinderPeerPids(stack, params, asyncPids, terminalBinder);
77 std::string ret(data, size);
78 freeze->FindStackByPid(ret, pid);
79 std::string faultType(data, size);
80 freeze->CatchJsonStacktrace(pid, faultType, stack);
81 freeze->CatcherStacktrace(pid, stack);
82 std::string memoryContent(data, size);
83 freeze->AcquireStack(faultData, appInfo, memoryContent);
84 std::string binderInfo(data, size);
85 freeze->NotifyANR(faultData, appInfo, binderInfo, memoryContent);
86 int state = static_cast<int>(GetU32Data(data));
87 freeze->SetFreezeState(pid, state, errorName);
88 freeze->GetFreezeState(pid);
89 freeze->GetFreezeTime(pid);
90 return true;
91 }
92 }
93
94 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)95 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
96 {
97 /* Run your code on data */
98 if (data == nullptr) {
99 std::cout << "invalid data" << std::endl;
100 return 0;
101 }
102
103 /* Validate the length of size */
104 if (size < OHOS::U32_AT_SIZE) {
105 return 0;
106 }
107
108 char* ch = static_cast<char*>(malloc(size + 1));
109 if (ch == nullptr) {
110 std::cout << "malloc failed." << std::endl;
111 return 0;
112 }
113
114 (void)memset_s(ch, size + 1, 0x00, size + 1);
115 if (memcpy_s(ch, size + 1, data, size) != EOK) {
116 std::cout << "copy failed." << std::endl;
117 free(ch);
118 ch = nullptr;
119 return 0;
120 }
121
122 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
123 free(ch);
124 ch = nullptr;
125 return 0;
126 }
127
128