1 /*
2 * Copyright (c) 2025-2025 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 "cmgetusercacertlist_fuzzer.h"
17
18 #include "cert_manager_api.h"
19 #include "cm_fuzz_test_common.h"
20 #include "cm_test_common.h"
21
22 namespace {
23 const uint32_t MAX_SCOPE = 3;
24 }
25
26 using namespace CmFuzzTest;
27 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)28 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
29 {
30 uint32_t minSize = sizeof(struct UserCAProperty) + sizeof(struct CertList);
31 uint8_t *myData = nullptr;
32 if (!CopyMyData(data, size, minSize, &myData)) {
33 return false;
34 }
35
36 uint32_t remainSize = static_cast<uint32_t>(size);
37 uint32_t offset = 0;
38
39 uint32_t userId;
40 if (!GetUintFromBuffer(myData, &remainSize, &offset, &userId)) {
41 CmFree(myData);
42 return false;
43 }
44
45 uint32_t scope;
46 if (!GetUintFromBuffer(myData, &remainSize, &offset, &scope)) {
47 CmFree(myData);
48 return false;
49 }
50 scope = scope % MAX_SCOPE;
51
52 struct UserCAProperty property = {
53 .userId = userId
54 };
55 property.scope = static_cast<CmCertScope>(scope);
56 struct CertList userCertList = { 0, nullptr };
57 if (!GetCertListFromBuffer(myData, &remainSize, &offset, &userCertList)) {
58 CmFree(myData);
59 return false;
60 }
61
62 CertmanagerTest::MockHapToken mockHap;
63 (void)CmGetUserCACertList(&property, &userCertList);
64
65 CmFree(myData);
66 return true;
67 }
68 }
69
70 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)71 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
72 {
73 /* Run your code on data */
74 OHOS::DoSomethingInterestingWithMyAPI(data, size);
75 return 0;
76 }
77
78