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 "abilitystubgetwantsender_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 FOO_MAX_LEN = 1024;
32 constexpr size_t U32_AT_SIZE = 4;
33 }
34 const std::u16string ABILITYMGR_INTERFACE_TOKEN = u"ohos.aafwk.AbilityManager";
35
DoSomethingInterestingWithMyAPI(const char * data,size_t size)36 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
37 {
38 uint32_t code = static_cast<uint32_t>(AbilityManagerInterfaceCode::GET_PENDING_WANT_SENDER);
39
40 MessageParcel parcel;
41 parcel.WriteInterfaceToken(ABILITYMGR_INTERFACE_TOKEN);
42 parcel.WriteBuffer(data, size);
43 parcel.RewindRead(0);
44 MessageParcel reply;
45 MessageOption option;
46 DelayedSingleton<AbilityManagerService>::GetInstance()->uiAbilityLifecycleManager_ =
47 std::make_shared<UIAbilityLifecycleManager>();
48 DelayedSingleton<AbilityManagerService>::GetInstance()->OnRemoteRequest(code, parcel, reply, option);
49
50 return true;
51 }
52 }
53
54 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56 {
57 /* Run your code on data */
58 if (data == nullptr) {
59 std::cout << "invalid data" << std::endl;
60 return 0;
61 }
62
63 /* Validate the length of size */
64 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
65 return 0;
66 }
67
68 char* ch = static_cast<char*>(malloc(size + 1));
69 if (ch == nullptr) {
70 std::cout << "malloc failed." << std::endl;
71 return 0;
72 }
73
74 (void)memset_s(ch, size + 1, 0x00, size + 1);
75 if (memcpy_s(ch, size, data, size) != EOK) {
76 std::cout << "copy failed." << std::endl;
77 free(ch);
78 ch = nullptr;
79 return 0;
80 }
81
82 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
83 free(ch);
84 ch = nullptr;
85 return 0;
86 }
87
88