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 "quickfixswitcher_fuzzer.h"
17
18 #define private public
19 #include "quick_fix_switcher.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 DCAMERA_SHIFT_24 = 24;
27 constexpr size_t DCAMERA_SHIFT_16 = 16;
28 constexpr size_t DCAMERA_SHIFT_8 = 8;
29 const std::string BUNDLE_NAME = "com.example.l3jsdemo";
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 std::string bundleName = BUNDLE_NAME;
38 QuickFixSwitcher quickFixSwitcher(bundleName, true);
39 quickFixSwitcher.Execute();
40 quickFixSwitcher.SwitchQuickFix();
41 quickFixSwitcher.EnableQuickFix(bundleName);
42 quickFixSwitcher.DisableQuickFix(bundleName);
43 InnerAppQuickFix innerAppQuickFix;
44 bool enable = true;
45 quickFixSwitcher.InnerSwitchQuickFix(bundleName, innerAppQuickFix, enable);
46 InnerBundleInfo innerBundleInfo;
47 quickFixSwitcher.CreateInnerAppqf(innerBundleInfo, enable, innerAppQuickFix);
48 quickFixSwitcher.GetDataMgr();
49 quickFixSwitcher.GetQuickFixDataMgr();
50 return true;
51 }
52 } // namespace OHOS
53
54 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56 {
57 /* Run your code on data */
58 if (data == nullptr) {
59 return 0;
60 }
61
62 if (size < OHOS::U32_AT_SIZE) {
63 return 0;
64 }
65
66 /* Validate the length of size */
67 if (size > OHOS::FOO_MAX_LEN) {
68 return 0;
69 }
70
71 char* ch = static_cast<char*>(malloc(size + 1));
72 if (ch == nullptr) {
73 return 0;
74 }
75
76 (void)memset_s(ch, size + 1, 0x00, size + 1);
77 if (memcpy_s(ch, size, data, size) != EOK) {
78 free(ch);
79 ch = nullptr;
80 return 0;
81 }
82 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
83 free(ch);
84 ch = nullptr;
85 return 0;
86 }