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 "template_cache_manager_fuzzer.h"
17
18 #include <cinttypes>
19 #include <cstddef>
20 #include <cstdint>
21
22 #include "parcel.h"
23
24 #include "iam_common_defines.h"
25 #include "iam_fuzz_test.h"
26 #include "iam_logger.h"
27 #include "template_cache_manager.h"
28
29 #undef private
30
31 #ifdef LOG_LABEL
32 #undef LOG_LABEL
33 #endif
34 #define LOG_TAG "USER_AUTH_SA"
35
36 using namespace std;
37 using namespace OHOS::UserIam::Common;
38 using namespace OHOS::UserIam::UserAuth;
39
40 namespace OHOS {
41 namespace UserIam {
42 namespace UserAuth {
43 namespace {
44
45 TemplateCacheManager g_templateCacheManger;
46
FuzzUpdateTemplateCache(Parcel & parcel)47 void FuzzUpdateTemplateCache(Parcel &parcel)
48 {
49 IAM_LOGI("begin");
50 AuthType authType = PIN;
51 g_templateCacheManger.UpdateTemplateCache(authType);
52 IAM_LOGI("end");
53 }
54
FuzzProcessUserIdChange(Parcel & parcel)55 void FuzzProcessUserIdChange(Parcel &parcel)
56 {
57 IAM_LOGI("begin");
58 int newUserId = 200;
59 g_templateCacheManger.ProcessUserIdChange(newUserId);
60 IAM_LOGI("end");
61 }
62
63 using FuzzFunc = decltype(FuzzUpdateTemplateCache);
64 FuzzFunc *g_fuzzFuncs[] = {
65 FuzzUpdateTemplateCache,
66 FuzzProcessUserIdChange,
67 };
68
TemplateCacheManagerFuzzTest(const uint8_t * data,size_t size)69 void TemplateCacheManagerFuzzTest(const uint8_t *data, size_t size)
70 {
71 Parcel parcel;
72 parcel.WriteBuffer(data, size);
73 parcel.RewindRead(0);
74 uint32_t index = parcel.ReadUint32() % (sizeof(g_fuzzFuncs)) / sizeof(FuzzFunc *);
75 auto fuzzFunc = g_fuzzFuncs[index];
76 fuzzFunc(parcel);
77 return;
78 }
79 } // namespace
80 } // namespace UserAuth
81 } // namespace UserIam
82 } // namespace OHOS
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 OHOS::UserIam::UserAuth::TemplateCacheManagerFuzzTest(data, size);
88 return 0;
89 }
90