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 "quickfixmanagerhostipml_fuzzer.h"
18
19 #include <cstddef>
20 #include <cstdint>
21 #include <iostream>
22
23 #include "quick_fix_manager_host_impl.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 auto quickFixManagerHostImpl = std::make_shared<QuickFixManagerHostImpl>();
41 std::vector<std::string> bundleFilePaths;
42 sptr<IQuickFixStatusCallback> statusCallback = nullptr;
43 std::string targetPath(data, size);
44 quickFixManagerHostImpl->DeployQuickFix(bundleFilePaths, statusCallback, false, targetPath);
45 std::string bundleName(data, size);
46 quickFixManagerHostImpl->SwitchQuickFix(bundleName, false, statusCallback);
47 quickFixManagerHostImpl->DeleteQuickFix(bundleName, statusCallback);
48 std::string fileName(data, size);
49 int32_t fd = static_cast<int32_t>(GetU32Data(data));
50 std::string path(data, size);
51 quickFixManagerHostImpl->CreateFd(fileName, fd, path);
52 quickFixManagerHostImpl->GetQuickFixMgr();
53 quickFixManagerHostImpl->IsFileNameValid(fileName);
54 std::vector<std::string> securityFilePaths;
55 quickFixManagerHostImpl->CopyHqfToSecurityDir(bundleFilePaths, securityFilePaths);
56 return true;
57 }
58 } // namespace OHOS
59
60 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62 {
63 /* Run your code on data */
64 if (data == nullptr) {
65 return 0;
66 }
67
68 /* Validate the length of size */
69 if (size < OHOS::U32_AT_SIZE) {
70 return 0;
71 }
72
73 char* ch = (char*)malloc(size + 1);
74 if (ch == nullptr) {
75 std::cout << "malloc failed." << std::endl;
76 return 0;
77 }
78
79 (void)memset_s(ch, size + 1, 0x00, size + 1);
80 if (memcpy_s(ch, size + 1, data, size) != EOK) {
81 std::cout << "copy failed." << std::endl;
82 free(ch);
83 ch = nullptr;
84 return 0;
85 }
86
87 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
88 free(ch);
89 ch = nullptr;
90 return 0;
91 }