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 "stopsyncremotemissions_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_manager_client.h"
22 #include "securec.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 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)32 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
33 {
34 auto abilitymgr = AbilityManagerClient::GetInstance();
35 if (!abilitymgr) {
36 return false;
37 }
38
39 std::string devId(data, size);
40 abilitymgr->StopSyncRemoteMissions(devId);
41
42 return true;
43 }
44 }
45
46 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)47 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
48 {
49 /* Run your code on data */
50 if (data == nullptr) {
51 std::cout << "invalid data" << std::endl;
52 return 0;
53 }
54
55 /* Validate the length of size */
56 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
57 return 0;
58 }
59
60 char* ch = static_cast<char*>(malloc(size + 1));
61 if (ch == nullptr) {
62 std::cout << "malloc failed." << std::endl;
63 return 0;
64 }
65
66 (void)memset_s(ch, size + 1, 0x00, size + 1);
67 if (memcpy_s(ch, size, data, size) != EOK) {
68 std::cout << "copy failed." << std::endl;
69 free(ch);
70 ch = nullptr;
71 return 0;
72 }
73
74 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
75 free(ch);
76 ch = nullptr;
77 return 0;
78 }