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