1 /*
2  * Copyright (c) 2022 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 "authuser_fuzzer.h"
17 
18 #include <string>
19 #include <vector>
20 #include "account_iam_client.h"
21 #include "fuzz_data.h"
22 
23 
24 using namespace std;
25 using namespace OHOS::AccountSA;
26 
27 class MockIDMCallback : public OHOS::AccountSA::IDMCallback {
28 public:
~MockIDMCallback()29     virtual ~MockIDMCallback() {}
OnAcquireInfo(int32_t module,uint32_t acquireInfo,const Attributes & extraInfo)30     void OnAcquireInfo(int32_t module, uint32_t acquireInfo, const Attributes &extraInfo) override
31     {
32         return;
33     }
OnResult(int32_t result,const Attributes & extraInfo)34     void OnResult(int32_t result, const Attributes &extraInfo) override
35     {
36         return;
37     }
38 };
39 
40 namespace OHOS {
AuthUserFuzzTest(const uint8_t * data,size_t size)41     bool AuthUserFuzzTest(const uint8_t* data, size_t size)
42     {
43         FuzzData fuzzData(data, size);
44         int32_t userId = fuzzData.GetData<int32_t>();
45         std::vector<uint8_t> challenge = {fuzzData.GetData<uint8_t>()};
46         AuthType authType = fuzzData.GenerateRandomEnmu(UserIam::UserAuth::RECOVERY_KEY);
47         AuthTrustLevel authTrustLevel = fuzzData.GenerateRandomEnmu(UserIam::UserAuth::ATL4);
48         std::shared_ptr<IDMCallback> callback = make_shared<MockIDMCallback>();
49         AuthOptions authOptions;
50         authOptions.accountId = userId;
51         uint64_t result = AccountIAMClient::GetInstance().AuthUser(
52             authOptions, challenge, authType, authTrustLevel, callback);
53         return result == ERR_OK;
54     }
55 }
56 
57 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)58 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
59 {
60     /* Run your code on data */
61     OHOS::AuthUserFuzzTest(data, size);
62     return 0;
63 }
64 
65