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 "turnoffstub_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 "miscdevice_service.h"
28
29 namespace OHOS {
30 namespace Sensors {
31 using namespace Security::AccessToken;
32 using Security::AccessToken::AccessTokenID;
33 namespace {
34 constexpr size_t U32_AT_SIZE = 4;
35 auto g_service = MiscdeviceDelayedSpSingleton<MiscdeviceService>::GetInstance();
36 const std::u16string VIBRATOR_INTERFACE_TOKEN = u"IMiscdeviceService";
37 } // namespace
38
SetUpTestCase()39 void SetUpTestCase()
40 {
41 const char **perms = new (std::nothrow) const char *[1];
42 if (perms == nullptr) {
43 return;
44 }
45 perms[0] = "ohos.permission.VIBRATE";
46 TokenInfoParams infoInstance = {
47 .dcapsNum = 0,
48 .permsNum = 1,
49 .aclsNum = 0,
50 .dcaps = nullptr,
51 .perms = perms,
52 .acls = nullptr,
53 .processName = "TurnOffStubFuzzTest",
54 .aplStr = "system_core",
55 };
56 uint64_t tokenId = GetAccessTokenId(&infoInstance);
57 SetSelfTokenID(tokenId);
58 AccessTokenKit::ReloadNativeTokenInfo();
59 delete[] perms;
60 }
61
OnRemoteRequestFuzzTest(const uint8_t * data,size_t size)62 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
63 {
64 SetUpTestCase();
65 MessageParcel datas;
66 datas.WriteInterfaceToken(VIBRATOR_INTERFACE_TOKEN);
67 datas.WriteBuffer(data, size);
68 datas.RewindRead(0);
69 MessageParcel reply;
70 MessageOption option;
71 g_service->OnStartFuzz();
72 g_service->OnRemoteRequest(static_cast<uint32_t>(MiscdeviceInterfaceCode::TURN_OFF),
73 datas, reply, option);
74 return true;
75 }
76 } // namespace Sensors
77 } // namespace OHOS
78
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)79 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
80 {
81 /* Run your code on data */
82 if (data == nullptr) {
83 return 0;
84 }
85
86 /* Validate the length of size */
87 if (size < OHOS::Sensors::U32_AT_SIZE) {
88 return 0;
89 }
90
91 OHOS::Sensors::OnRemoteRequestFuzzTest(data, size);
92 return 0;
93 }
94