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 "unregisterabilitylifecyclecallback_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_lifecycle_callback.h"
22 #include "application_context.h"
23 #include "securec.h"
24
25 using namespace OHOS::AAFwk;
26 using namespace OHOS::AppExecFwk;
27 using namespace OHOS::AbilityRuntime;
28
29 namespace OHOS {
30 namespace {
31 constexpr size_t FOO_MAX_LEN = 1024;
32 constexpr size_t U32_AT_SIZE = 4;
33 }
34 class AbilityLifecycleCallbackFuzz : public AbilityLifecycleCallback {
35 public:
AbilityLifecycleCallbackFuzz()36 explicit AbilityLifecycleCallbackFuzz() {};
~AbilityLifecycleCallbackFuzz()37 virtual ~AbilityLifecycleCallbackFuzz() {};
OnAbilityCreate(const std::shared_ptr<NativeReference> & ability)38 void OnAbilityCreate(const std::shared_ptr<NativeReference>& ability) override {};
OnWindowStageCreate(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)39 void OnWindowStageCreate(const std::shared_ptr<NativeReference>& ability,
40 const std::shared_ptr<NativeReference>& windowStage) override {};
OnWindowStageDestroy(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)41 void OnWindowStageDestroy(const std::shared_ptr<NativeReference>& ability,
42 const std::shared_ptr<NativeReference>& windowStage) override {};
OnWindowStageActive(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)43 void OnWindowStageActive(const std::shared_ptr<NativeReference>& ability,
44 const std::shared_ptr<NativeReference>& windowStage) override {};
OnWindowStageInactive(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)45 void OnWindowStageInactive(const std::shared_ptr<NativeReference>& ability,
46 const std::shared_ptr<NativeReference>& windowStage) override {};
OnAbilityDestroy(const std::shared_ptr<NativeReference> & ability)47 void OnAbilityDestroy(const std::shared_ptr<NativeReference>& ability) override {};
OnAbilityForeground(const std::shared_ptr<NativeReference> & ability)48 void OnAbilityForeground(const std::shared_ptr<NativeReference>& ability) override {};
OnAbilityBackground(const std::shared_ptr<NativeReference> & ability)49 void OnAbilityBackground(const std::shared_ptr<NativeReference>& ability) override {};
OnAbilityContinue(const std::shared_ptr<NativeReference> & ability)50 void OnAbilityContinue(const std::shared_ptr<NativeReference>& ability) override {};
51 };
DoSomethingInterestingWithMyAPI(const char * data,size_t size)52 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
53 {
54 auto context = ApplicationContext::GetInstance();
55 if (!context) {
56 return false;
57 }
58
59 std::shared_ptr<AbilityLifecycleCallbackFuzz> callback;
60 context->UnregisterAbilityLifecycleCallback(callback);
61
62 return true;
63 }
64 }
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69 /* Run your code on data */
70 if (data == nullptr) {
71 std::cout << "invalid data" << std::endl;
72 return 0;
73 }
74
75 /* Validate the length of size */
76 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
77 return 0;
78 }
79
80 char* ch = static_cast<char*>(malloc(size + 1));
81 if (ch == nullptr) {
82 std::cout << "malloc failed." << std::endl;
83 return 0;
84 }
85
86 (void)memset_s(ch, size + 1, 0x00, size + 1);
87 if (memcpy_s(ch, size, data, size) != EOK) {
88 std::cout << "copy failed." << std::endl;
89 free(ch);
90 ch = nullptr;
91 return 0;
92 }
93
94 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
95 free(ch);
96 ch = nullptr;
97 return 0;
98 }