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 "addcredentialstub_fuzzer.h"
17
18 #include <string>
19 #include <vector>
20 #include "account_iam_callback_service.h"
21 #include "account_iam_client.h"
22 #include "account_iam_service.h"
23 #include "account_log_wrapper.h"
24 #include "fuzz_data.h"
25 #include "iaccount_iam.h"
26
27 using namespace std;
28 using namespace OHOS::AccountSA;
29 namespace OHOS {
30 const std::u16string IAMACCOUNT_TOKEN = u"ohos.accountfwk.IAccountIAM";
31
32 class MockIDMCallback : public OHOS::AccountSA::IDMCallback {
33 public:
~MockIDMCallback()34 virtual ~MockIDMCallback()
35 {
36 }
OnAcquireInfo(int32_t module,uint32_t acquireInfo,const Attributes & extraInfo)37 void OnAcquireInfo(int32_t module, uint32_t acquireInfo, const Attributes &extraInfo) override
38 {
39 return;
40 }
OnResult(int32_t result,const Attributes & extraInfo)41 void OnResult(int32_t result, const Attributes &extraInfo) override
42 {
43 return;
44 }
45 };
46
AddCredentialStubFuzzTest(const uint8_t * data,size_t size)47 bool AddCredentialStubFuzzTest(const uint8_t *data, size_t size)
48 {
49 if ((data == nullptr) || (size == 0)) {
50 return false;
51 }
52 FuzzData fuzzData(data, size);
53 int32_t userId = fuzzData.GetData<int32_t>();
54 AuthType authType = static_cast<AuthType>(fuzzData.GenerateRandomEnmu(IAMAuthType::TYPE_END));
55 std::optional<PinSubType> pinType = {fuzzData.GenerateRandomEnmu(PinSubType::PIN_MAX)};
56 std::vector<uint8_t> token = {fuzzData.GetData<uint8_t>()};
57 std::shared_ptr<IDMCallback> ptr = make_shared<MockIDMCallback>();
58 sptr<IIDMCallback> callback = new (std::nothrow) IDMCallbackService(userId, ptr);
59
60 MessageParcel dataTemp;
61 if (!dataTemp.WriteInterfaceToken(IAMACCOUNT_TOKEN)) {
62 return false;
63 }
64 if (!dataTemp.WriteInt32(userId)) {
65 return false;
66 }
67 if (!dataTemp.WriteInt32(authType)) {
68 return false;
69 }
70 PinSubType pin = pinType.value_or(PinSubType::PIN_MAX);
71 if (!dataTemp.WriteInt32(pin)) {
72 return false;
73 }
74 if (!dataTemp.WriteUInt8Vector(token)) {
75 return false;
76 }
77 if (!dataTemp.WriteRemoteObject(callback->AsObject())) {
78 return false;
79 }
80 MessageParcel reply;
81 MessageOption option;
82 uint32_t code = static_cast<uint32_t>(AccountIAMInterfaceCode::ADD_CREDENTIAL);
83 auto iamAccountManagerService = std::make_shared<AccountIAMService>();
84 iamAccountManagerService->OnRemoteRequest(code, dataTemp, reply, option);
85
86 return true;
87 }
88 } // namespace OHOS
89
90 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)91 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
92 {
93 /* Run your code on data */
94 OHOS::AddCredentialStubFuzzTest(data, size);
95 return 0;
96 }
97