1 /*
2 * Copyright (c) 2022 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 "abilitymanagerservicefourth_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "ability_manager_service.h"
24 #undef protected
25 #undef private
26
27 #include "ability_record.h"
28
29 using namespace OHOS::AAFwk;
30 using namespace OHOS::AppExecFwk;
31
32 namespace OHOS {
33 namespace {
34 constexpr size_t FOO_MAX_LEN = 1024;
35 constexpr size_t U32_AT_SIZE = 4;
36 }
37
GetU32Data(const char * ptr)38 uint32_t GetU32Data(const char* ptr)
39 {
40 // convert fuzz input data to an integer
41 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
42 }
43
DoSomethingInterestingWithMyAPI(const char * data,size_t size)44 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
45 {
46 int intParam = static_cast<int>(GetU32Data(data));
47 std::string stringParam(data, size);
48 Parcel wantParcel;
49 Want* want = nullptr;
50 if (wantParcel.WriteBuffer(data, size)) {
51 want = Want::Unmarshalling(wantParcel);
52 if (!want) {
53 return false;
54 }
55 }
56
57 // fuzz for AbilityManagerService
58 auto abilityms = std::make_shared<AbilityManagerService>();
59 AppExecFwk::AbilityInfo abilityInfo;
60 abilityms->JudgeAbilityVisibleControl(abilityInfo);
61 abilityms->StartUser(intParam);
62 sptr<IStopUserCallback> callback;
63 abilityms->StopUser(intParam, callback);
64 abilityms->OnAcceptWantResponse(*want, stringParam);
65 abilityms->OnStartSpecifiedAbilityTimeoutResponse(*want);
66
67 return true;
68 }
69 }
70
71 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)72 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
73 {
74 /* Run your code on data */
75 if (data == nullptr) {
76 return 0;
77 }
78
79 /* Validate the length of size */
80 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
81 return 0;
82 }
83
84 char* ch = (char*)malloc(size + 1);
85 if (ch == nullptr) {
86 std::cout << "malloc failed." << std::endl;
87 return 0;
88 }
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
98 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
99 free(ch);
100 ch = nullptr;
101 return 0;
102 }
103
104