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 "deluserstub_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() {}
OnAcquireInfo(int32_t module,uint32_t acquireInfo,const Attributes & extraInfo)35     void OnAcquireInfo(int32_t module, uint32_t acquireInfo, const Attributes &extraInfo) override
36     {
37         return;
38     }
OnResult(int32_t result,const Attributes & extraInfo)39     void OnResult(int32_t result, const Attributes &extraInfo) override
40     {
41         return;
42     }
43 };
44 
DelUserStubFuzzTest(const uint8_t * data,size_t size)45 bool DelUserStubFuzzTest(const uint8_t *data, size_t size)
46 {
47     if ((data == nullptr) || (size == 0)) {
48         return false;
49     }
50     FuzzData fuzzData(data, size);
51     int32_t userId = fuzzData.GetData<int32_t>();
52     std::vector<uint8_t> authToken = {fuzzData.GetData<uint8_t>()};
53     std::shared_ptr<IDMCallback> ptr = make_shared<MockIDMCallback>();
54     sptr<IIDMCallback> callback = new (std::nothrow) IDMCallbackService(userId, ptr);
55 
56     MessageParcel dataTemp;
57     if (!dataTemp.WriteInterfaceToken(IAMACCOUNT_TOKEN)) {
58         return false;
59     }
60     if (!dataTemp.WriteInt32(userId)) {
61         return false;
62     }
63     if (!dataTemp.WriteUInt8Vector(authToken)) {
64         return false;
65     }
66     if (!dataTemp.WriteRemoteObject(callback->AsObject())) {
67         return false;
68     }
69     MessageParcel reply;
70     MessageOption option;
71     uint32_t code = static_cast<uint32_t>(AccountIAMInterfaceCode::DEL_USER);
72     auto iamAccountManagerService = std::make_shared<AccountIAMService>();
73     iamAccountManagerService->OnRemoteRequest(code, dataTemp, reply, option);
74 
75     return true;
76 }
77 } // namespace OHOS
78 
79 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)80 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
81 {
82     /* Run your code on data */
83     OHOS::DelUserStubFuzzTest(data, size);
84     return 0;
85 }
86