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 "getmissioninfos_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 U32_AT_SIZE = 4;
30 }
GetU32Data(const char * ptr)31 uint32_t GetU32Data(const char* ptr)
32 {
33 // convert fuzz input data to an integer
34 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
35 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)36 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
37 {
38 auto abilitymgr = AbilityManagerClient::GetInstance();
39 if (!abilitymgr) {
40 return false;
41 }
42
43 std::string deviceId(data, size);
44 int32_t numMax = static_cast<int32_t>(GetU32Data(data));
45 std::vector<MissionInfo> missionInfos;
46 if (abilitymgr->GetMissionInfos(deviceId, numMax, missionInfos) != 0) {
47 return false;
48 }
49
50 return true;
51 }
52 }
53
54 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56 {
57 /* Run your code on data */
58 if (data == nullptr) {
59 std::cout << "invalid data" << std::endl;
60 return 0;
61 }
62
63 /* Validate the length of size */
64 if (size < OHOS::U32_AT_SIZE) {
65 return 0;
66 }
67
68 char* ch = static_cast<char*>(malloc(size + 1));
69 if (ch == nullptr) {
70 std::cout << "malloc failed." << std::endl;
71 return 0;
72 }
73
74 (void)memset_s(ch, size + 1, 0x00, size + 1);
75 if (memcpy_s(ch, size, data, size) != EOK) {
76 std::cout << "copy failed." << std::endl;
77 free(ch);
78 ch = nullptr;
79 return 0;
80 }
81
82 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
83 free(ch);
84 ch = nullptr;
85 return 0;
86 }
87
88