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 "unsubscribesystemprocess_fuzzer.h"
17
18 #include "fuzztest_utils.h"
19 #include "samgr_ipc_interface_code.h"
20 namespace OHOS {
21 namespace Samgr {
22 namespace {
23 constexpr size_t THRESHOLD = 4;
24 const std::u16string SAMGR_INTERFACE_TOKEN = u"ohos.samgr.accessToken";
25 }
26
FuzzSubscribeSystemProcess(const uint8_t * data,size_t size)27 void FuzzSubscribeSystemProcess(const uint8_t *data, size_t size)
28 {
29 sptr<MockSystemProcessStatusChange> listener = new(std::nothrow) MockSystemProcessStatusChange();
30 if (listener == nullptr) {
31 return;
32 }
33 MessageParcel parcelData;
34 parcelData.WriteInterfaceToken(SAMGR_INTERFACE_TOKEN);
35 parcelData.WriteRemoteObject(listener);
36 FuzzTestUtils::FuzzTestRemoteRequest(parcelData,
37 static_cast<uint32_t>(SamgrInterfaceCode::SUBSCRIBE_SYSTEM_PROCESS_TRANSACTION));
38 FuzzTestUtils::FuzzTestRemoteRequest(data, size,
39 static_cast<uint32_t>(SamgrInterfaceCode::SUBSCRIBE_SYSTEM_PROCESS_TRANSACTION));
40 }
41
FuzzUnSubscribeSystemProcess(const uint8_t * data,size_t size)42 void FuzzUnSubscribeSystemProcess(const uint8_t *data, size_t size)
43 {
44 sptr<MockSystemProcessStatusChange> listener = new(std::nothrow) MockSystemProcessStatusChange();
45 if (listener == nullptr) {
46 return;
47 }
48 MessageParcel parcelData;
49 parcelData.WriteInterfaceToken(SAMGR_INTERFACE_TOKEN);
50 parcelData.WriteRemoteObject(listener);
51 FuzzTestUtils::FuzzTestRemoteRequest(parcelData,
52 static_cast<uint32_t>(SamgrInterfaceCode::UNSUBSCRIBE_SYSTEM_PROCESS_TRANSACTION));
53 FuzzTestUtils::FuzzTestRemoteRequest(data, size,
54 static_cast<uint32_t>(SamgrInterfaceCode::UNSUBSCRIBE_SYSTEM_PROCESS_TRANSACTION));
55 }
56 }
57 }
58 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)59 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
60 {
61 if (size < OHOS::Samgr::THRESHOLD) {
62 return 0;
63 }
64 OHOS::Samgr::FuzzSubscribeSystemProcess(data, size);
65 OHOS::Samgr::FuzzUnSubscribeSystemProcess(data, size);
66 return 0;
67 }