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 "registerabilitylifecyclecallback_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 } // namespace
34 class AbilityLifecycleCallbackFuzz : public AbilityLifecycleCallback {
35 public:
AbilityLifecycleCallbackFuzz()36 explicit AbilityLifecycleCallbackFuzz(){};
~AbilityLifecycleCallbackFuzz()37 virtual ~AbilityLifecycleCallbackFuzz(){};
38 void
OnAbilityCreate(const std::shared_ptr<NativeReference> & ability)39 OnAbilityCreate(const std::shared_ptr<NativeReference> &ability) override{};
OnWindowStageCreate(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)40 void OnWindowStageCreate(
41 const std::shared_ptr<NativeReference> &ability,
42 const std::shared_ptr<NativeReference> &windowStage) override{};
OnWindowStageDestroy(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)43 void OnWindowStageDestroy(
44 const std::shared_ptr<NativeReference> &ability,
45 const std::shared_ptr<NativeReference> &windowStage) override{};
OnWindowStageActive(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)46 void OnWindowStageActive(
47 const std::shared_ptr<NativeReference> &ability,
48 const std::shared_ptr<NativeReference> &windowStage) override{};
OnWindowStageInactive(const std::shared_ptr<NativeReference> & ability,const std::shared_ptr<NativeReference> & windowStage)49 void OnWindowStageInactive(
50 const std::shared_ptr<NativeReference> &ability,
51 const std::shared_ptr<NativeReference> &windowStage) override{};
52 void
OnAbilityDestroy(const std::shared_ptr<NativeReference> & ability)53 OnAbilityDestroy(const std::shared_ptr<NativeReference> &ability) override{};
OnAbilityForeground(const std::shared_ptr<NativeReference> & ability)54 void OnAbilityForeground(
55 const std::shared_ptr<NativeReference> &ability) override{};
OnAbilityBackground(const std::shared_ptr<NativeReference> & ability)56 void OnAbilityBackground(
57 const std::shared_ptr<NativeReference> &ability) override{};
58 void
OnAbilityContinue(const std::shared_ptr<NativeReference> & ability)59 OnAbilityContinue(const std::shared_ptr<NativeReference> &ability) override{};
60 };
DoSomethingInterestingWithMyAPI(const char * data,size_t size)61 bool DoSomethingInterestingWithMyAPI(const char *data, size_t size)
62 {
63 auto context = ApplicationContext::GetInstance();
64 if (!context) {
65 return false;
66 }
67 std::shared_ptr<AbilityLifecycleCallbackFuzz> callback;
68 context->RegisterAbilityLifecycleCallback(callback);
69 return true;
70 }
71 } // namespace OHOS
72
73 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)74 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
75 {
76 /* Run your code on data */
77 if (data == nullptr) {
78 std::cout << "invalid data" << std::endl;
79 return 0;
80 }
81 /* Validate the length of size */
82 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
83 return 0;
84 }
85 char *ch = static_cast<char*>(malloc(size + 1));
86 if (ch == nullptr) {
87 std::cout << "malloc failed." << std::endl;
88 return 0;
89 }
90 (void)memset_s(ch, size + 1, 0x00, size + 1);
91 if (memcpy_s(ch, size, data, size) != EOK) {
92 std::cout << "copy failed." << std::endl;
93 free(ch);
94 ch = nullptr;
95 return 0;
96 }
97 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
98 free(ch);
99 ch = nullptr;
100 return 0;
101 }