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 "quickfixmanagerrdb_fuzzer.h"
17 #define private public
18 #include "inner_bundle_info.h"
19 #include "quick_fix_manager_rdb.h"
20 #include "securec.h"
21
22 using namespace OHOS::AppExecFwk;
23 namespace OHOS {
24 constexpr size_t FOO_MAX_LEN = 1024;
25 constexpr size_t U32_AT_SIZE = 4;
26 constexpr size_t MESSAGE_SIZE = 4;
27 constexpr size_t DCAMERA_SHIFT_24 = 24;
28 constexpr size_t DCAMERA_SHIFT_16 = 16;
29 constexpr size_t DCAMERA_SHIFT_8 = 8;
30
GetU32Data(const char * ptr)31 uint32_t GetU32Data(const char* ptr)
32 {
33 return (ptr[0] << DCAMERA_SHIFT_24) | (ptr[1] << DCAMERA_SHIFT_16) | (ptr[2] << DCAMERA_SHIFT_8) | (ptr[3]);
34 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)35 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
36 {
37 QuickFixManagerRdb quickFixManagerRdb;
38 std::map<std::string, InnerAppQuickFix> innerAppQuickFixes;
39 quickFixManagerRdb.QueryAllInnerAppQuickFix(innerAppQuickFixes);
40 std::string bundleName(data, size);
41 InnerAppQuickFix fixInfo;
42 quickFixManagerRdb.QueryInnerAppQuickFix(bundleName, fixInfo);
43 quickFixManagerRdb.SaveInnerAppQuickFix(fixInfo);
44 quickFixManagerRdb.DeleteInnerAppQuickFix(bundleName);
45 quickFixManagerRdb.GetDataFromDb(bundleName, fixInfo);
46 quickFixManagerRdb.SaveDataToDb(fixInfo);
47 quickFixManagerRdb.DeleteDataFromDb(bundleName);
48
49 return true;
50 }
51 } // namespace OHOS
52 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)53 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
54 {
55 /* Run your code on data */
56 if (data == nullptr) {
57 return 0;
58 }
59
60 if (size < OHOS::U32_AT_SIZE) {
61 return 0;
62 }
63
64 /* Validate the length of size */
65 if (size > OHOS::FOO_MAX_LEN) {
66 return 0;
67 }
68
69 char* ch = static_cast<char*>(malloc(size + 1));
70 if (ch == nullptr) {
71 return 0;
72 }
73
74 (void)memset_s(ch, size + 1, 0x00, size + 1);
75 if (memcpy_s(ch, size, data, size) != EOK) {
76 free(ch);
77 ch = nullptr;
78 return 0;
79 }
80 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
81 free(ch);
82 ch = nullptr;
83 return 0;
84 }