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 "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 FOO_MAX_LEN = 1024;
33 constexpr size_t U32_AT_SIZE = 4;
34 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)35 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
36 {
37 AbilityRuntime::AbilityContextImpl* context = new AbilityRuntime::AbilityContextImpl();
38 int resultCode = 100;
39 if (!context) {
40 return false;
41 }
42
43 // fuzz for want
44 Parcel wantParcel;
45 Want *want = nullptr;
46 if (wantParcel.WriteBuffer(data, size)) {
47 want = Want::Unmarshalling(wantParcel);
48 if (!want) {
49 return false;
50 }
51 }
52
53 context->TerminateSelf();
54 context->TerminateAbilityWithResult(*want, resultCode);
55
56 // fuzz for AbilityRecord::TerminateAbility
57 AbilityInfo abilityInfo;
58 ApplicationInfo applicationInfo;
59 int requestCode = -1;
60 auto abilityRecord = new AbilityRecord(*want, abilityInfo, applicationInfo, requestCode);
61
62 if (!abilityRecord->Init()) {
63 std::cout << "AbilityRecord Init failed" << std::endl;
64 return false;
65 }
66 if (abilityRecord->TerminateAbility() != ERR_OK) {
67 std::cout << "AbilityRecord TerminateAbility failed" << std::endl;
68 return false;
69 }
70
71 if (want) {
72 delete want;
73 want = nullptr;
74 }
75
76 delete abilityRecord;
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::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
93 return 0;
94 }
95
96 char* ch = (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 }
115
116