1 /*
2 * Copyright (c) 2023-2025 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 "getnativetokeninfostub_fuzzer.h"
17
18 #include <sys/types.h>
19 #include <unistd.h>
20 #include <string>
21 #include <thread>
22 #include <vector>
23 #undef private
24
25 #include "accesstoken_manager_service.h"
26 #include "fuzzer/FuzzedDataProvider.h"
27 #include "iaccess_token_manager.h"
28
29 using namespace std;
30 using namespace OHOS::Security::AccessToken;
31 const int CONSTANTS_NUMBER_TWO = 2;
32 static const int32_t ROOT_UID = 0;
33
34 namespace OHOS {
GetNativeTokenInfoStubFuzzTest(const uint8_t * data,size_t size)35 bool GetNativeTokenInfoStubFuzzTest(const uint8_t* data, size_t size)
36 {
37 if ((data == nullptr) || (size == 0)) {
38 return false;
39 }
40
41 FuzzedDataProvider provider(data, size);
42 AccessTokenID tokenId = provider.ConsumeIntegral<AccessTokenID>();
43 MessageParcel inData;
44 inData.WriteInterfaceToken(IAccessTokenManager::GetDescriptor());
45 if (!inData.WriteUint32(tokenId)) {
46 return false;
47 }
48
49 uint32_t code = static_cast<uint32_t>(
50 IAccessTokenManagerIpcCode::COMMAND_GET_NATIVE_TOKEN_INFO);
51
52 MessageParcel reply;
53 MessageOption option;
54 bool enable = ((provider.ConsumeIntegral<int32_t>() % CONSTANTS_NUMBER_TWO) == 0);
55 if (enable) {
56 setuid(CONSTANTS_NUMBER_TWO);
57 }
58 DelayedSingleton<AccessTokenManagerService>::GetInstance()->OnRemoteRequest(code, inData, reply, option);
59 setuid(ROOT_UID);
60
61 return true;
62 }
63 } // namespace OHOS
64
65 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)66 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
67 {
68 /* Run your code on data */
69 OHOS::GetNativeTokenInfoStubFuzzTest(data, size);
70 return 0;
71 }
72