1 /*
2 * Copyright (c) 2023 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 "abilitystubquerymissionvaild_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_manager_service.h"
22 #include "message_parcel.h"
23 #include "securec.h"
24
25 using namespace OHOS::AAFwk;
26
27 #define DISABLE_FUZZ
28 namespace OHOS {
29 namespace {
30 constexpr size_t FOO_MAX_LEN = 1024;
31 constexpr size_t U32_AT_SIZE = 4;
32 }
33 const std::u16string ABILITYMGR_INTERFACE_TOKEN = u"ohos.aafwk.AbilityManager";
34
DoSomethingInterestingWithMyAPI(const char * data,size_t size)35 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
36 {
37 uint32_t code = IAbilityManager::QUERY_MISSION_VAILD;
38
39 MessageParcel parcel;
40 parcel.WriteInterfaceToken(ABILITYMGR_INTERFACE_TOKEN);
41 parcel.WriteBuffer(data, size);
42 parcel.RewindRead(0);
43 MessageParcel reply;
44 MessageOption option;
45 DelayedSingleton<AbilityManagerService>::GetInstance()->OnRemoteRequest(code, parcel, reply, option);
46
47 return true;
48 }
49 }
50
51 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)52 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
53 {
54 /* Run your code on data */
55 if (data == nullptr) {
56 std::cout << "invalid data" << std::endl;
57 return 0;
58 }
59
60 /* Validate the length of size */
61 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
62 return 0;
63 }
64
65 char* ch = static_cast<char*>(malloc(size + 1));
66 if (ch == nullptr) {
67 std::cout << "malloc failed." << std::endl;
68 return 0;
69 }
70
71 (void)memset_s(ch, size + 1, 0x00, size + 1);
72 if (memcpy_s(ch, size, data, size) != EOK) {
73 std::cout << "copy failed." << std::endl;
74 free(ch);
75 ch = nullptr;
76 return 0;
77 }
78
79 #ifndef DISABLE_FUZZ
80 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
81 #endif
82 free(ch);
83 ch = nullptr;
84 return 0;
85 }
86
87