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 "setmissionlabel_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_connect_callback_interface.h"
22 #include "ability_manager_client.h"
23 #include "ability_record.h"
24
25 using namespace OHOS::AAFwk;
26 using namespace OHOS::AppExecFwk;
27
28 namespace OHOS {
29 namespace {
30 constexpr size_t FOO_MAX_LEN = 1024;
31 constexpr size_t U32_AT_SIZE = 4;
32 }
GetFuzzAbilityToken()33 sptr<Token> GetFuzzAbilityToken()
34 {
35 sptr<Token> token = nullptr;
36
37 AbilityRequest abilityRequest;
38 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
39 abilityRequest.abilityInfo.name = "MainAbility";
40 abilityRequest.abilityInfo.type = AbilityType::DATA;
41 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
42 if (abilityRecord) {
43 token = abilityRecord->GetToken();
44 }
45
46 return token;
47 }
48
DoSomethingInterestingWithMyAPI(const char * data,size_t size)49 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
50 {
51 auto abilityMgr = AbilityManagerClient::GetInstance();
52 if (!abilityMgr) {
53 return false;
54 }
55
56 sptr<Token> token = GetFuzzAbilityToken();
57 if (!token) {
58 std::cout << "Get ability token failed." << std::endl;
59 return false;
60 }
61
62 // fuzz for label
63 if (abilityMgr->SetMissionLabel(token, data) != 0) {
64 return false;
65 }
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 std::cout << "invalid data" << std::endl;
77 return 0;
78 }
79
80 /* Validate the length of size */
81 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
82 return 0;
83 }
84
85 char* ch = static_cast<char*>(malloc(size + 1));
86 if (ch == nullptr) {
87 std::cout << "malloc failed." << std::endl;
88 return 0;
89 }
90
91 (void)memset_s(ch, size + 1, 0x00, size + 1);
92 if (memcpy_s(ch, size, data, size) != EOK) {
93 std::cout << "copy failed." << std::endl;
94 free(ch);
95 ch = nullptr;
96 return 0;
97 }
98
99 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
100 free(ch);
101 ch = nullptr;
102 return 0;
103 }
104
105