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 "quickfixdatamgr_fuzzer.h"
17 #define private public
18 #include "quick_fix_data_mgr.h"
19 #include "securec.h"
20
21 using namespace OHOS::AppExecFwk;
22 namespace OHOS {
23 constexpr size_t U32_AT_SIZE = 4;
24 constexpr size_t MESSAGE_SIZE = 4;
25 constexpr size_t DCAMERA_SHIFT_24 = 24;
26 constexpr size_t DCAMERA_SHIFT_16 = 16;
27 constexpr size_t DCAMERA_SHIFT_8 = 8;
28
GetU32Data(const char * ptr)29 uint32_t GetU32Data(const char* ptr)
30 {
31 return (ptr[0] << DCAMERA_SHIFT_24) | (ptr[1] << DCAMERA_SHIFT_16) | (ptr[2] << DCAMERA_SHIFT_8) | (ptr[3]);
32 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)33 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
34 {
35 QuickFixDataMgr quickFixDataMgr;
36 std::map<std::string, InnerAppQuickFix> innerAppQuickFixes;
37 quickFixDataMgr.QueryAllInnerAppQuickFix(innerAppQuickFixes);
38 std::string bundleName(data, size);
39 InnerAppQuickFix fixInfo;
40 quickFixDataMgr.QueryInnerAppQuickFix(bundleName, fixInfo);
41 quickFixDataMgr.SaveInnerAppQuickFix(fixInfo);
42 quickFixDataMgr.DeleteInnerAppQuickFix(bundleName);
43 quickFixDataMgr.IsNextStatusExisted(QuickFixStatus::DEFAULT_STATUS, QuickFixStatus::DEPLOY_END);
44 quickFixDataMgr.UpdateQuickFixStatus(QuickFixStatus::DEPLOY_END, fixInfo);
45 quickFixDataMgr.InitStatesMap();
46
47 return true;
48 }
49 } // namespace OHOS
50 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
52 {
53 /* Run your code on data */
54 if (data == nullptr) {
55 return 0;
56 }
57
58 if (size < OHOS::U32_AT_SIZE) {
59 return 0;
60 }
61
62 char* ch = static_cast<char*>(malloc(size + 1));
63 if (ch == nullptr) {
64 return 0;
65 }
66
67 (void)memset_s(ch, size + 1, 0x00, size + 1);
68 if (memcpy_s(ch, size, data, size) != EOK) {
69 free(ch);
70 ch = nullptr;
71 return 0;
72 }
73 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
74 free(ch);
75 ch = nullptr;
76 return 0;
77 }