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