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 #define private public
17 #include "quickfixdeleter_fuzzer.h"
18
19 #include <cstddef>
20 #include <cstdint>
21 #include <iostream>
22
23 #include "quick_fix_deleter.h"
24 #include "securec.h"
25
26 using namespace OHOS::AppExecFwk;
27
28 namespace OHOS {
29 constexpr size_t U32_AT_SIZE = 4;
30 constexpr size_t MESSAGE_SIZE = 21;
31 constexpr size_t DCAMERA_SHIFT_24 = 24;
32 constexpr size_t DCAMERA_SHIFT_16 = 16;
33 constexpr size_t DCAMERA_SHIFT_8 = 8;
GetU32Data(const char * ptr)34 uint32_t GetU32Data(const char* ptr)
35 {
36 return (ptr[0] << DCAMERA_SHIFT_24) | (ptr[1] << DCAMERA_SHIFT_16) | (ptr[2] << DCAMERA_SHIFT_8) | (ptr[3]);
37 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)38 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
39 {
40 std::string bundleName(data, size);
41 QuickFixDeleter quickFixDeleter(bundleName);
42 quickFixDeleter.Execute();
43 quickFixDeleter.DeleteQuickFix();
44 InnerAppQuickFix innerAppQuickFix;
45 quickFixDeleter.ToDeletePatchDir(innerAppQuickFix);
46 AppqfInfo appqfInfo;
47 quickFixDeleter.InnerDeletePatchDir(appqfInfo, bundleName);
48 quickFixDeleter.GetQuickFixDataMgr();
49 quickFixDeleter.GetDataMgr();
50 quickFixDeleter.RemoveDeployingInfo(bundleName);
51 return true;
52 }
53 } // namespace OHOS
54
55 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 /* Run your code on data */
59 if (data == nullptr) {
60 return 0;
61 }
62
63 /* Validate the length of size */
64 if (size < OHOS::U32_AT_SIZE) {
65 return 0;
66 }
67
68 char* ch = (char*)malloc(size + 1);
69 if (ch == nullptr) {
70 std::cout << "malloc failed." << std::endl;
71 return 0;
72 }
73
74 (void)memset_s(ch, size + 1, 0x00, size + 1);
75 if (memcpy_s(ch, size + 1, data, size) != EOK) {
76 std::cout << "copy failed." << std::endl;
77 free(ch);
78 ch = nullptr;
79 return 0;
80 }
81
82 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
83 free(ch);
84 ch = nullptr;
85 return 0;
86 }