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 "transferdatachannel_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 static sptr<SensorBasicDataChannel> g_dataChannel = new (std::nothrow) SensorBasicDataChannel();
39 } // namespace
40
SetUpTestCase()41 void SetUpTestCase()
42 {
43 const char **perms = new (std::nothrow) const char *[2];
44 if (perms == nullptr) {
45 return;
46 }
47 perms[0] = "ohos.permission.ACCELEROMETER";
48 perms[1] = "ohos.permission.MANAGE_SENSOR";
49 TokenInfoParams infoInstance = {
50 .dcapsNum = 0,
51 .permsNum = 2,
52 .aclsNum = 0,
53 .dcaps = nullptr,
54 .perms = perms,
55 .acls = nullptr,
56 .processName = "CreateDataChannelStubFuzzTest",
57 .aplStr = "system_core",
58 };
59 uint64_t tokenId = GetAccessTokenId(&infoInstance);
60 SetSelfTokenID(tokenId);
61 AccessTokenKit::ReloadNativeTokenInfo();
62 delete[] perms;
63 }
64
TransferDataChannelFuzzTest(const uint8_t * data,size_t size)65 bool TransferDataChannelFuzzTest(const uint8_t *data, size_t size)
66 {
67 SetUpTestCase();
68 if (g_remote == nullptr || g_dataChannel == nullptr) {
69 return false;
70 }
71 g_service->TransferDataChannel(g_dataChannel, g_remote);
72 return true;
73 }
74 } // namespace Sensors
75 } // namespace OHOS
76
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)77 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
78 {
79 /* Run your code on data */
80 if (data == nullptr) {
81 return 0;
82 }
83
84 /* Validate the length of size */
85 if (size < OHOS::Sensors::U32_AT_SIZE) {
86 return 0;
87 }
88
89 OHOS::Sensors::TransferDataChannelFuzzTest(data, size);
90 return 0;
91 }
92