1 /*
2 * Copyright (c) 2023-2024 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 "inputer_data_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "parcel.h"
22
23 #include "iam_fuzz_test.h"
24 #include "iam_logger.h"
25 #include "iam_ptr.h"
26
27 #include "mock_iall_in_one_executor_fuzzer.h"
28 #include "mock_icollector_executor_fuzzer.h"
29
30 #include "i_inputer_data_impl.h"
31 #include "pin_auth_hdi.h"
32
33 #define LOG_TAG "PIN_AUTH_SA"
34
35 #undef private
36
37 using namespace std;
38 using namespace OHOS::UserIam::Common;
39
40 namespace OHOS {
41 namespace UserIam {
42 namespace PinAuth {
43 namespace {
44 const uint32_t SCHEDULE_ID = 123;
45 auto executorProxy_ = sptr<IAllInOneExecutor>(new (std::nothrow) MockIAllInOneExecutorFuzzer());
46 auto hdi_ = Common::MakeShared<PinAuthAllInOneHdi>(executorProxy_);
47 auto g_service = new (std::nothrow) IInputerDataImpl(SCHEDULE_ID, hdi_);
48
FuzzRegisterInputer(Parcel & parcel)49 void FuzzRegisterInputer(Parcel &parcel)
50 {
51 IAM_LOGI("begin");
52 int32_t authSubType = parcel.ReadInt32();
53 std::vector<uint8_t> data;
54 uint32_t pinLength = parcel.ReadUint32();
55 int32_t errorCode = parcel.ReadInt32();
56 FillFuzzUint8Vector(parcel, data);
57 if (g_service != nullptr) {
58 g_service->OnSetData(authSubType, data, pinLength, errorCode);
59 }
60 IAM_LOGI("end");
61 }
62
63 using FuzzFunc = decltype(FuzzRegisterInputer);
64 FuzzFunc *g_fuzzFuncs[] = {FuzzRegisterInputer};
65
InputerDataFuzzTest(const uint8_t * data,size_t size)66 void InputerDataFuzzTest(const uint8_t *data, size_t size)
67 {
68 Parcel parcel;
69 parcel.WriteBuffer(data, size);
70 parcel.RewindRead(0);
71 uint32_t index = parcel.ReadUint32() % (sizeof(g_fuzzFuncs) / sizeof(FuzzFunc *));
72 auto fuzzFunc = g_fuzzFuncs[index];
73 fuzzFunc(parcel);
74 return;
75 }
76 } // namespace
77 } // namespace PinAuth
78 } // namespace UserIam
79 } // namespace OHOS
80
81 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int32_t LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
83 {
84 OHOS::UserIam::PinAuth::InputerDataFuzzTest(data, size);
85 return 0;
86 }