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 "register_fuzzer.h"
17
18 #include "accesstoken_kit.h"
19 #include "nativetoken_kit.h"
20 #include "securec.h"
21 #include "token_setproc.h"
22
23 #include "sensor_agent.h"
24 #include "sensor_agent_type.h"
25 #include "sensors_errors.h"
26
27 namespace OHOS {
28 namespace Sensors {
29 using namespace OHOS::HiviewDFX;
30 using namespace Security::AccessToken;
31 using Security::AccessToken::AccessTokenID;
32 namespace {
33 constexpr HiLogLabel LABEL = { LOG_CORE, OHOS::Sensors::SENSOR_LOG_DOMAIN, "RegisterFuzzTest" };
34 constexpr size_t DATA_MIN_SIZE = 4;
35 } // namespace
36
37 template<class T>
GetObject(const uint8_t * data,size_t size,T & object)38 void GetObject(const uint8_t *data, size_t size, T &object)
39 {
40 size_t objectSize = sizeof(object);
41 if (objectSize > size) {
42 return;
43 }
44 memcpy_s(&object, objectSize, data, objectSize);
45 }
46
SetUpTestCase()47 void SetUpTestCase()
48 {
49 const char **perms = new (std::nothrow) const char *[2];
50 CHKPV(perms);
51 perms[0] = "ohos.permission.ACCELEROMETER";
52 perms[1] = "ohos.permission.MANAGE_SENSOR";
53 TokenInfoParams infoInstance = {
54 .dcapsNum = 0,
55 .permsNum = 2,
56 .aclsNum = 0,
57 .dcaps = nullptr,
58 .perms = perms,
59 .acls = nullptr,
60 .processName = "RegisterFuzzTest",
61 .aplStr = "system_core",
62 };
63 uint64_t tokenId = GetAccessTokenId(&infoInstance);
64 SetSelfTokenID(tokenId);
65 AccessTokenKit::ReloadNativeTokenInfo();
66 delete[] perms;
67 }
68
RegisterFuzzTest(const uint8_t * data,size_t size)69 void RegisterFuzzTest(const uint8_t* data, size_t size)
70 {
71 if (data == nullptr || size < DATA_MIN_SIZE) {
72 return;
73 }
74 SetUpTestCase();
75 SensorActiveInfoCB callback = nullptr;
76 GetObject<SensorActiveInfoCB>(data, size, callback);
77 Register(callback);
78 }
79 } // Sensors
80 } // OHOS
81
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
83 {
84 OHOS::Sensors::RegisterFuzzTest(data, size);
85 return 0;
86 }
87