1 /*
2 * Copyright (c) 2024 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 "avsession_log.h"
17 #include "permissionchecker_fuzzer.h"
18 #include "ipc_skeleton.h"
19 #include "permission_checker.h"
20
21 using namespace std;
22 using namespace OHOS;
23 using namespace OHOS::AVSession;
24
25 static const int32_t MIN_SIZE_NUM = 4;
26
CheckPermissionTest001()27 void OHOS::AVSession::CheckPermissionTest001()
28 {
29 PermissionChecker::GetInstance().CheckPermission(PermissionChecker::CHECK_SYSTEM_PERMISSION);
30 }
31
CheckPermissionTest002()32 void OHOS::AVSession::CheckPermissionTest002()
33 {
34 PermissionChecker::GetInstance().CheckPermission(PermissionChecker::CHECK_MEDIA_RESOURCES_PERMISSION);
35 }
36
CheckPermissionTest003()37 void OHOS::AVSession::CheckPermissionTest003()
38 {
39 int32_t CHECK_PERMISSION = 6;
40 PermissionChecker::GetInstance().CheckPermission(CHECK_PERMISSION);
41 }
42
CheckSystemPermissionTest001()43 void OHOS::AVSession::CheckSystemPermissionTest001()
44 {
45 Security::AccessToken::AccessTokenID tokenId = IPCSkeleton::GetCallingTokenID();
46 PermissionChecker::GetInstance().CheckSystemPermission(tokenId);
47 }
48
CheckMediaResourcePermissionTest001(uint8_t * data,size_t size)49 void OHOS::AVSession::CheckMediaResourcePermissionTest001(uint8_t* data, size_t size)
50 {
51 Security::AccessToken::AccessTokenID tokenId = IPCSkeleton::GetCallingTokenID();
52 std::string permissionName(reinterpret_cast<const char*>(data), size);
53 PermissionChecker::GetInstance().IsSystemApp();
54 PermissionChecker::GetInstance().CheckMediaResourcePermission(tokenId, permissionName);
55 }
56
CheckSystemPermissionByUidTest001()57 void OHOS::AVSession::CheckSystemPermissionByUidTest001()
58 {
59 PermissionChecker::GetInstance().CheckSystemPermissionByUid(-1);
60 }
61
62 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)63 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
64 {
65 /* Run your code on data */
66 SLOGI("the maximum length of size should not be verified");
67 if ((data == nullptr) || (size < MIN_SIZE_NUM)) {
68 return 0;
69 }
70 OHOS::AVSession::CheckPermissionTest001();
71 OHOS::AVSession::CheckPermissionTest002();
72 OHOS::AVSession::CheckPermissionTest003();
73 OHOS::AVSession::CheckSystemPermissionTest001();
74 OHOS::AVSession::CheckMediaResourcePermissionTest001(data, size);
75 OHOS::AVSession::CheckSystemPermissionByUidTest001();
76 return 0;
77 }