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 "dumpsysstate_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 U32_AT_SIZE = 4;
30 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)31 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
32 {
33 auto abilitymgr = AbilityManagerClient::GetInstance();
34 std::vector<std::string> states;
35 std::string args(data, size);
36 std::string state(data, size);
37 bool isClient = true;
38 bool isUserId = true;
39 int userId = true;
40 if (!abilitymgr) {
41 return false;
42 }
43
44 states.emplace_back(state);
45 if (abilitymgr->DumpSysState(args, states, isClient, isUserId, userId) != 0) {
46 return false;
47 }
48
49 return true;
50 }
51 }
52
53 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)54 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
55 {
56 /* Run your code on data */
57 if (data == nullptr) {
58 std::cout << "invalid data" << std::endl;
59 return 0;
60 }
61
62 /* Validate the length of size */
63 if (size < OHOS::U32_AT_SIZE) {
64 return 0;
65 }
66
67 char* ch = static_cast<char*>(malloc(size + 1));
68 if (ch == nullptr) {
69 std::cout << "malloc failed." << std::endl;
70 return 0;
71 }
72
73 (void)memset_s(ch, size + 1, 0x00, size + 1);
74 if (memcpy_s(ch, size, data, size) != EOK) {
75 std::cout << "copy failed." << std::endl;
76 free(ch);
77 ch = nullptr;
78 return 0;
79 }
80
81 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
82 free(ch);
83 ch = nullptr;
84 return 0;
85 }