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 "dumpabilityinfodone_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_manager_client.h"
22 #include "ability_record.h"
23
24 using namespace OHOS::AAFwk;
25 using namespace OHOS::AppExecFwk;
26
27 namespace OHOS {
28 namespace {
29 constexpr size_t FOO_MAX_LEN = 1024;
30 constexpr size_t U32_AT_SIZE = 4;
31 }
GetFuzzAbilityToken()32 sptr<Token> GetFuzzAbilityToken()
33 {
34 sptr<Token> token = nullptr;
35
36 AbilityRequest abilityRequest;
37 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
38 abilityRequest.abilityInfo.name = "MainAbility";
39 abilityRequest.abilityInfo.type = AbilityType::DATA;
40 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
41 if (abilityRecord) {
42 token = abilityRecord->GetToken();
43 }
44
45 return token;
46 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)47 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
48 {
49 auto abilitymgr = AbilityManagerClient::GetInstance();
50 if (!abilitymgr) {
51 return false;
52 }
53
54 // get token and connectCallback
55 sptr<IRemoteObject> token = GetFuzzAbilityToken();
56 if (!token) {
57 std::cout << "Get ability token failed." << std::endl;
58 return false;
59 }
60
61 std::vector<std::string> infos;
62 std::string info(data, size);
63 infos.emplace_back(info);
64 if (abilitymgr->DumpAbilityInfoDone(infos, token) != 0) {
65 return false;
66 }
67
68 return true;
69 }
70 }
71
72 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)73 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
74 {
75 /* Run your code on data */
76 if (data == nullptr) {
77 std::cout << "invalid data" << std::endl;
78 return 0;
79 }
80
81 /* Validate the length of size */
82 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
83 return 0;
84 }
85
86 char* ch = (char *)malloc(size + 1);
87 if (ch == nullptr) {
88 std::cout << "malloc failed." << std::endl;
89 return 0;
90 }
91
92 (void)memset_s(ch, size + 1, 0x00, size + 1);
93 if (memcpy_s(ch, size, data, size) != EOK) {
94 std::cout << "copy failed." << std::endl;
95 free(ch);
96 ch = nullptr;
97 return 0;
98 }
99
100 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
101 free(ch);
102 ch = nullptr;
103 return 0;
104 }
105
106