1 /*
2 * Copyright (c) 2024 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 "terminateability_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_context_impl.h"
22 #include "ability_record.h"
23 #include "parcel.h"
24 #include "want.h"
25 #include "securec.h"
26
27 using namespace OHOS::AAFwk;
28 using namespace OHOS::AppExecFwk;
29
30 namespace OHOS {
31 namespace {
32 constexpr size_t U32_AT_SIZE = 4;
33 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)34 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
35 {
36 AbilityRuntime::AbilityContextImpl* context = new AbilityRuntime::AbilityContextImpl();
37 int resultCode = 100;
38 if (!context) {
39 return false;
40 }
41
42 // fuzz for want
43 Parcel wantParcel;
44 Want* want = nullptr;
45 if (wantParcel.WriteBuffer(data, size)) {
46 want = Want::Unmarshalling(wantParcel);
47 if (!want) {
48 return false;
49 }
50 }
51
52 context->TerminateSelf();
53 context->TerminateAbilityWithResult(*want, resultCode);
54
55 // fuzz for AbilityRecord::TerminateAbility
56 AbilityInfo abilityInfo;
57 ApplicationInfo applicationInfo;
58 int requestCode = -1;
59 auto abilityRecord = new AbilityRecord(*want, abilityInfo, applicationInfo, requestCode);
60
61 if (!abilityRecord->Init()) {
62 std::cout << "AbilityRecord Init failed" << std::endl;
63 return false;
64 }
65 if (abilityRecord->TerminateAbility() != ERR_OK) {
66 std::cout << "AbilityRecord TerminateAbility failed" << std::endl;
67 return false;
68 }
69
70 if (want) {
71 delete want;
72 want = nullptr;
73 }
74
75 delete abilityRecord;
76 abilityRecord = nullptr;
77
78 return true;
79 }
80 }
81
82 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)83 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
84 {
85 /* Run your code on data */
86 if (data == nullptr) {
87 std::cout << "invalid data" << std::endl;
88 return 0;
89 }
90
91 /* Validate the length of size */
92 if (size < OHOS::U32_AT_SIZE) {
93 return 0;
94 }
95
96 char* ch = static_cast<char*>(malloc(size + 1));
97 if (ch == nullptr) {
98 std::cout << "malloc failed." << std::endl;
99 return 0;
100 }
101
102 (void)memset_s(ch, size + 1, 0x00, size + 1);
103 if (memcpy_s(ch, size, data, size) != EOK) {
104 std::cout << "copy failed." << std::endl;
105 free(ch);
106 ch = nullptr;
107 return 0;
108 }
109
110 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
111 free(ch);
112 ch = nullptr;
113 return 0;
114 }