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 "processdeathobserver_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "accesstoken_kit.h"
22 #include "message_parcel.h"
23 #include "nativetoken_kit.h"
24 #include "securec.h"
25 #include "token_setproc.h"
26
27 #include "sensor.h"
28 #include "sensor_service.h"
29
30 namespace OHOS {
31 namespace Sensors {
32 using namespace Security::AccessToken;
33 using Security::AccessToken::AccessTokenID;
34 namespace {
35 constexpr size_t U32_AT_SIZE = 4;
36 auto g_service = SensorDelayedSpSingleton<SensorService>::GetInstance();
37 static sptr<IRemoteObject> g_remote = new (std::nothrow) IPCObjectStub();
38 } // namespace
39
SetUpTestCase()40 void SetUpTestCase()
41 {
42 const char **perms = new (std::nothrow) const char *[2];
43 if (perms == nullptr) {
44 return;
45 }
46 perms[0] = "ohos.permission.ACCELEROMETER";
47 perms[1] = "ohos.permission.MANAGE_SENSOR";
48 TokenInfoParams infoInstance = {
49 .dcapsNum = 0,
50 .permsNum = 2,
51 .aclsNum = 0,
52 .dcaps = nullptr,
53 .perms = perms,
54 .acls = nullptr,
55 .processName = "CreateDataChannelStubFuzzTest",
56 .aplStr = "system_core",
57 };
58 uint64_t tokenId = GetAccessTokenId(&infoInstance);
59 SetSelfTokenID(tokenId);
60 AccessTokenKit::ReloadNativeTokenInfo();
61 delete[] perms;
62 }
63
ProcessDeathObserverFuzzTest(const uint8_t * data,size_t size)64 bool ProcessDeathObserverFuzzTest(const uint8_t *data, size_t size)
65 {
66 SetUpTestCase();
67 if (g_remote == nullptr) {
68 return false;
69 }
70 g_service->ProcessDeathObserver(g_remote);
71 return true;
72 }
73 } // namespace Sensors
74 } // namespace OHOS
75
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)76 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
77 {
78 /* Run your code on data */
79 if (data == nullptr) {
80 return 0;
81 }
82
83 /* Validate the length of size */
84 if (size < OHOS::Sensors::U32_AT_SIZE) {
85 return 0;
86 }
87
88 OHOS::Sensors::ProcessDeathObserverFuzzTest(data, size);
89 return 0;
90 }
91