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 "abilitystubdumpstate_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::DUMP_STATE);
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()->subManagersHelper_->currentDataAbilityManager_ =
50 std::make_shared<DataAbilityManager>();
51 DelayedSingleton<AbilityManagerService>::GetInstance()->OnRemoteRequest(code, parcel, reply, option);
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