1 /*
2 * Copyright (c) 2023 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 "abilitystubreportdrawncompleted_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "ability_manager_service.h"
23 #undef private
24 #include "message_parcel.h"
25 #include "securec.h"
26
27 using namespace OHOS::AAFwk;
28
29 namespace OHOS {
30 namespace {
31 constexpr size_t U32_AT_SIZE = 4;
32 }
33 const std::u16string ABILITYMGR_INTERFACE_TOKEN = u"ohos.aafwk.AbilityManager";
34
DoSomethingInterestingWithMyAPI(const char * data,size_t size)35 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
36 {
37 uint32_t code = static_cast<uint32_t>(AbilityManagerInterfaceCode::REPORT_DRAWN_COMPLETED);
38
39 MessageParcel parcel;
40 parcel.WriteInterfaceToken(ABILITYMGR_INTERFACE_TOKEN);
41 parcel.WriteBuffer(data, size);
42 parcel.RewindRead(0);
43 MessageParcel reply;
44 MessageOption option;
45 DelayedSingleton<AbilityManagerService>::GetInstance()->subManagersHelper_ =
46 std::make_shared<SubManagersHelper>(nullptr, nullptr);
47 DelayedSingleton<AbilityManagerService>::GetInstance()->subManagersHelper_->currentUIAbilityManager_ =
48 std::make_shared<UIAbilityLifecycleManager>();
49 DelayedSingleton<AbilityManagerService>::GetInstance()->OnRemoteRequest(code, parcel, reply, option);
50
51 return true;
52 }
53 }
54
55 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 /* Run your code on data */
59 if (data == nullptr) {
60 std::cout << "invalid data" << std::endl;
61 return 0;
62 }
63
64 /* Validate the length of size */
65 if (size < OHOS::U32_AT_SIZE) {
66 return 0;
67 }
68
69 char* ch = static_cast<char*>(malloc(size + 1));
70 if (ch == nullptr) {
71 std::cout << "malloc failed." << std::endl;
72 return 0;
73 }
74
75 (void)memset_s(ch, size + 1, 0x00, size + 1);
76 if (memcpy_s(ch, size, data, size) != EOK) {
77 std::cout << "copy failed." << std::endl;
78 free(ch);
79 ch = nullptr;
80 return 0;
81 }
82
83 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
84 free(ch);
85 ch = nullptr;
86 return 0;
87 }
88
89