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 "setabilitycontroller_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_manager_client.h"
22 #include "ability_record.h"
23 #include "iability_controller.h"
24
25 using namespace OHOS::AAFwk;
26 using namespace OHOS::AppExecFwk;
27
28 namespace OHOS {
29 namespace {
30 constexpr size_t U32_AT_SIZE = 4;
31 constexpr uint8_t ENABLE = 2;
32 }
33 class AbilityControllerFuzz : public IRemoteStub<IAbilityController> {
34 public:
35 AbilityControllerFuzz();
36 virtual ~AbilityControllerFuzz();
37 virtual bool AllowAbilityStart(const Want& want, const std::string& bundleName) override;
38 virtual bool AllowAbilityBackground(const std::string& bundleName) override;
39 };
DoSomethingInterestingWithMyAPI(const char * data,size_t size)40 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
41 {
42 auto abilitymgr = AbilityManagerClient::GetInstance();
43 if (!abilitymgr) {
44 return false;
45 }
46
47 sptr<AbilityControllerFuzz> abilityController;
48 bool imAStabilityTest = *data % ENABLE;
49 if (abilitymgr->SetAbilityController(abilityController, imAStabilityTest) != 0) {
50 return false;
51 }
52
53 return true;
54 }
55 }
56
57 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)58 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
59 {
60 /* Run your code on data */
61 if (data == nullptr) {
62 std::cout << "invalid data" << std::endl;
63 return 0;
64 }
65
66 /* Validate the length of size */
67 if (size < OHOS::U32_AT_SIZE) {
68 return 0;
69 }
70
71 char* ch = static_cast<char*>(malloc(size + 1));
72 if (ch == nullptr) {
73 std::cout << "malloc failed." << std::endl;
74 return 0;
75 }
76
77 (void)memset_s(ch, size + 1, 0x00, size + 1);
78 if (memcpy_s(ch, size, data, size) != EOK) {
79 std::cout << "copy failed." << std::endl;
80 free(ch);
81 ch = nullptr;
82 return 0;
83 }
84
85 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
86 free(ch);
87 ch = nullptr;
88 return 0;
89 }
90
91