1 /*
2 * Copyright (c) 2022-2023 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 "cmsetcertstatus_fuzzer.h"
17
18 #include "cert_manager_api.h"
19 #include "cm_fuzz_test_common.h"
20 #include "cm_test_common.h"
21
22 using namespace CmFuzzTest;
23 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)24 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
25 {
26 uint32_t minSize = sizeof(struct CmBlob) + sizeof(uint32_t) + sizeof(bool);
27 uint8_t *myData = nullptr;
28 if (!CopyMyData(data, size, minSize, &myData)) {
29 return false;
30 }
31
32 uint32_t remainSize = static_cast<uint32_t>(size);
33 uint32_t offset = 0;
34
35 struct CmBlob sysCertUri = { 0, nullptr };
36 if (!GetCmBlobFromBuffer(myData, &remainSize, &offset, &sysCertUri)) {
37 CmFree(myData);
38 return false;
39 }
40
41 uint32_t store;
42 if (!GetUintFromBuffer(myData, &remainSize, &offset, &store)) {
43 CmFree(myData);
44 return false;
45 }
46
47 if (remainSize < sizeof(bool)) {
48 CmFree(myData);
49 return false;
50 }
51 bool status;
52 (void)memcpy_s(&status, sizeof(bool), myData + offset, sizeof(bool));
53
54 CertmanagerTest::SetATPermission();
55 (void)CmSetCertStatus(&sysCertUri, store, status);
56 CmFree(myData);
57 return true;
58 }
59 }
60
61 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)62 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
63 {
64 /* Run your code on data */
65 OHOS::DoSomethingInterestingWithMyAPI(data, size);
66 return 0;
67 }
68