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 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
48 std::string stringParam(data, size);
49 Parcel wantParcel;
50 Want *want = nullptr;
51 if (wantParcel.WriteBuffer(data, size)) {
52 want = Want::Unmarshalling(wantParcel);
53 if (!want) {
54 return false;
55 }
56 }
57
58 // fuzz for AbilityManagerService
59 auto abilityms = std::make_shared<AbilityManagerService>();
60 MissionSnapshot missionSnapshot;
61 abilityms->GetRemoteMissionSnapshotInfo(stringParam, int32Param, missionSnapshot);
62 AppExecFwk::AbilityInfo abilityInfo;
63 abilityms->JudgeAbilityVisibleControl(abilityInfo, intParam);
64 abilityms->CheckCallerEligibility(abilityInfo, intParam);
65 abilityms->StartUser(intParam);
66 sptr<IStopUserCallback> callback;
67 abilityms->StopUser(intParam, callback);
68 abilityms->OnAcceptWantResponse(*want, stringParam);
69 abilityms->OnStartSpecifiedAbilityTimeoutResponse(*want);
70
71 return true;
72 }
73 }
74
75 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)76 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
77 {
78 /* Run your code on data */
79 if (data == nullptr) {
80 return 0;
81 }
82
83 /* Validate the length of size */
84 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
85 return 0;
86 }
87
88 char* ch = (char *)malloc(size + 1);
89 if (ch == nullptr) {
90 std::cout << "malloc failed." << std::endl;
91 return 0;
92 }
93
94 (void)memset_s(ch, size + 1, 0x00, size + 1);
95 if (memcpy_s(ch, size, data, size) != EOK) {
96 std::cout << "copy failed." << std::endl;
97 free(ch);
98 ch = nullptr;
99 return 0;
100 }
101
102 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
103 free(ch);
104 ch = nullptr;
105 return 0;
106 }
107
108