1 /*
2 * Copyright (c) 2025 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 "registerpininputer_fuzzer.h"
17
18 #include <string>
19 #include <vector>
20 #include "access_token.h"
21 #include "access_token_error.h"
22 #include "accesstoken_kit.h"
23 #include "nativetoken_kit.h"
24 #include "account_iam_client.h"
25 #include "fuzz_data.h"
26 #include "token_setproc.h"
27
28 using namespace std;
29 using namespace OHOS::AccountSA;
30 using namespace OHOS::Security::AccessToken;
31
32 class MockIInputer : public OHOS::AccountSA::IInputer {
33 public:
~MockIInputer()34 virtual ~MockIInputer() {}
OnGetData(int32_t authSubType,std::vector<uint8_t> challenge,std::shared_ptr<IInputerData> inputerData)35 void OnGetData(
36 int32_t authSubType, std::vector<uint8_t> challenge, std::shared_ptr<IInputerData> inputerData) override
37 {
38 return;
39 }
40 };
41 namespace OHOS {
RegisterPinInputerFuzzTest(const uint8_t * data,size_t size)42 bool RegisterPinInputerFuzzTest(const uint8_t *data, size_t size)
43 {
44 FuzzData fuzzData(data, size);
45 std::shared_ptr<IInputer> inputer = fuzzData.GetData<bool>() ? make_shared<MockIInputer>() : nullptr;
46 AccountIAMClient::GetInstance().RegisterPINInputer(inputer);
47 AccountIAMClient::GetInstance().UnregisterPINInputer();
48 return true;
49 }
50 } // namespace OHOS
51
NativeTokenGet()52 void NativeTokenGet()
53 {
54 uint64_t tokenId;
55 const char **perms = new const char *[1];
56 perms[0] = "ohos.permission.ACCESS_PIN_AUTH";
57 NativeTokenInfoParams infoInstance = {
58 .dcapsNum = 0,
59 .permsNum = 1,
60 .aclsNum = 0,
61 .perms = perms,
62 .acls = nullptr,
63 .aplStr = "system_core",
64 };
65 infoInstance.processName = "RegisterPinInputerFuzzTest";
66 tokenId = GetAccessTokenId(&infoInstance);
67 SetSelfTokenID(tokenId);
68 AccessTokenKit::ReloadNativeTokenInfo();
69 delete[] perms;
70 }
71
72 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)73 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
74 {
75 NativeTokenGet();
76 return 0;
77 }
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::RegisterPinInputerFuzzTest(data, size);
84 return 0;
85 }
86