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 "abilityautostartupclient_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "ability_auto_startup_client.h"
23 #undef private
24
25 #include "securec.h"
26
27 using namespace OHOS::AAFwk;
28 using namespace OHOS::AppExecFwk;
29
30 namespace OHOS {
31 namespace {
32 constexpr int INPUT_ZERO = 0;
33 constexpr int INPUT_ONE = 1;
34 constexpr int INPUT_THREE = 3;
35 constexpr size_t FOO_MAX_LEN = 1024;
36 constexpr uint8_t ENABLE = 2;
37 constexpr size_t U32_AT_SIZE = 4;
38 constexpr size_t OFFSET_ZERO = 24;
39 constexpr size_t OFFSET_ONE = 16;
40 constexpr size_t OFFSET_TWO = 8;
41 }
42
GetU32Data(const char * ptr)43 uint32_t GetU32Data(const char* ptr)
44 {
45 // convert fuzz input data to an integer
46 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
47 ptr[INPUT_THREE];
48 }
49
DoSomethingInterestingWithMyAPI(const char * data,size_t size)50 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
51 {
52 auto abilityAutoStartupClient = AbilityAutoStartupClient::GetInstance();
53 abilityAutoStartupClient->Connect();
54 AutoStartupInfo info;
55 bool boolParam = *data % ENABLE;
56 abilityAutoStartupClient->SetApplicationAutoStartupByEDM(info, boolParam);
57 abilityAutoStartupClient->CancelApplicationAutoStartupByEDM(info, boolParam);
58 std::vector<AutoStartupInfo> infoList;
59 abilityAutoStartupClient->QueryAllAutoStartupApplications(infoList);
60
61 auto abilityMgrDeathRecipient =
62 std::make_shared<AbilityAutoStartupClient::AbilityMgrDeathRecipient>();
63 wptr<IRemoteObject> remote;
64 abilityMgrDeathRecipient->OnRemoteDied(remote);
65
66 abilityAutoStartupClient->GetAbilityManager();
67 abilityAutoStartupClient->ResetProxy(remote);
68
69 return true;
70 }
71 }
72
73 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)74 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
75 {
76 /* Run your code on data */
77 if (data == nullptr) {
78 std::cout << "invalid data" << std::endl;
79 return 0;
80 }
81
82 /* Validate the length of size */
83 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
84 return 0;
85 }
86
87 char* ch = static_cast<char*>(malloc(size + 1));
88 if (ch == nullptr) {
89 std::cout << "malloc failed." << std::endl;
90 return 0;
91 }
92
93 (void)memset_s(ch, size + 1, 0x00, size + 1);
94 if (memcpy_s(ch, size + 1, data, size) != EOK) {
95 std::cout << "copy failed." << std::endl;
96 free(ch);
97 ch = nullptr;
98 return 0;
99 }
100
101 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
102 free(ch);
103 ch = nullptr;
104 return 0;
105 }
106
107