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