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 #include "cm_test_common.h"
21
22 namespace {
23 const uint32_t CM_BLOB_COUNT = 2;
24 const uint32_t MAX_BOOL = 2;
25 }
26
27 using namespace CmFuzzTest;
28 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)29 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
30 {
31 uint32_t buffSize = sizeof(struct CmBlob) * CM_BLOB_COUNT + sizeof(uint32_t) + sizeof(uint32_t);
32 uint8_t *myData = nullptr;
33 if (!CopyMyData(data, size, buffSize, &myData)) {
34 return false;
35 }
36
37 uint32_t remainSize = static_cast<uint32_t>(size);
38 uint32_t offset = 0;
39 struct CmBlob sysUri = { 0, nullptr };
40 if (!GetCmBlobFromBuffer(myData, &remainSize, &offset, &sysUri)) {
41 CmFree(myData);
42 return false;
43 }
44
45 uint32_t store;
46 if (!GetUintFromBuffer(myData, &remainSize, &offset, &store)) {
47 CmFree(myData);
48 return false;
49 }
50
51 uint32_t status;
52 if (!GetUintFromBuffer(myData, &remainSize, &offset, &status)) {
53 CmFree(myData);
54 return false;
55 }
56
57 struct CmBlob certInfo = { 0, nullptr };
58 if (!GetCmBlobFromBuffer(myData, &remainSize, &offset, &certInfo)) {
59 CmFree(myData);
60 return false;
61 }
62
63 struct CertInfo sysCertInfo = {
64 .uri = "uri",
65 .certAlias = "alias",
66 .status = status % MAX_BOOL,
67 .issuerName = "issuerName",
68 .subjectName = "subjectName",
69 .serial = "serial",
70 .notBefore = "notBefore",
71 .notAfter = "notAfter",
72 .fingerprintSha256 = "sha256",
73 .certInfo = certInfo
74 };
75
76 CertmanagerTest::MockHapToken mockHap;
77 (void)CmGetCertInfo(&sysUri, store, &sysCertInfo);
78
79 CmFree(myData);
80 return true;
81 }
82 }
83
84 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)85 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
86 {
87 /* Run your code on data */
88 OHOS::DoSomethingInterestingWithMyAPI(data, size);
89 return 0;
90 }
91