1 /*
2 * Copyright (c) 2023 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 "gethaptokeninfostub_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 #include "accesstoken_fuzzdata.h"
25 #include "accesstoken_manager_service.h"
26 #include "i_accesstoken_manager.h"
27 #include "permission_def_parcel.h"
28
29 using namespace std;
30 using namespace OHOS;
31 using namespace OHOS::Security::AccessToken;
32 const int CONSTANTS_NUMBER_TWO = 2;
33 static const int32_t ROOT_UID = 0;
34
35 namespace OHOS {
GetHapTokenInfoStubFuzzTest(const uint8_t * data,size_t size)36 bool GetHapTokenInfoStubFuzzTest(const uint8_t* data, size_t size)
37 {
38 if ((data == nullptr) || (size == 0)) {
39 return false;
40 }
41 AccessTokenFuzzData fuzzData(data, size);
42 AccessTokenID tokenId = fuzzData.GetData<AccessTokenID>();
43
44 MessageParcel datas;
45 datas.WriteInterfaceToken(IAccessTokenManager::GetDescriptor());
46 if (!datas.WriteUint32(tokenId)) {
47 return false;
48 }
49
50 uint32_t code = static_cast<uint32_t>(
51 AccessTokenInterfaceCode::GET_HAP_TOKENINFO);
52
53 MessageParcel reply;
54 MessageOption option;
55 bool enable = ((size % CONSTANTS_NUMBER_TWO) == 0);
56 if (enable) {
57 setuid(CONSTANTS_NUMBER_TWO);
58 }
59 DelayedSingleton<AccessTokenManagerService>::GetInstance()->OnRemoteRequest(code, datas, reply, option);
60 setuid(ROOT_UID);
61
62 return true;
63 }
64 }
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69 /* Run your code on data */
70 OHOS::GetHapTokenInfoStubFuzzTest(data, size);
71 return 0;
72 }
73
74