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 "overlaymgrhostimpl_fuzzer.h"
18
19 #include "bundle_overlay_manager_host_impl.h"
20 #include "securec.h"
21
22 using namespace OHOS::AppExecFwk;
23 namespace OHOS {
24 constexpr size_t U32_AT_SIZE = 4;
25 constexpr uint32_t CODE_MAX = 8;
26 const int32_t USERID = 100;
27
DoSomethingInterestingWithMyAPI(const char * data,size_t size)28 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
29 {
30 OverlayManagerHostImpl overlayManagerHostImpl;
31 std::vector<OverlayModuleInfo> overlayModuleInfos;
32 std::string bundleName(data, size);
33 overlayManagerHostImpl.GetAllOverlayModuleInfo(bundleName, overlayModuleInfos, USERID);
34 OverlayModuleInfo overlayModuleInfo;
35 std::string moduleName(data, size);
36 overlayManagerHostImpl.GetOverlayModuleInfo(bundleName, moduleName, overlayModuleInfo, USERID);
37 overlayManagerHostImpl.GetOverlayModuleInfo(moduleName, overlayModuleInfo, USERID);
38 std::string targetModuleName(data, size);
39 overlayManagerHostImpl.GetTargetOverlayModuleInfo(targetModuleName, overlayModuleInfos, USERID);
40 overlayManagerHostImpl.GetOverlayModuleInfoByBundleName(bundleName, moduleName, overlayModuleInfos, USERID);
41 std::string targetBundleName(data, size);
42 std::vector<OverlayBundleInfo> overlayBundleInfos;
43 overlayManagerHostImpl.GetOverlayBundleInfoForTarget(targetBundleName, overlayBundleInfos, USERID);
44 overlayManagerHostImpl.GetOverlayModuleInfoForTarget(targetBundleName,
45 targetModuleName, overlayModuleInfos, USERID);
46 overlayManagerHostImpl.SetOverlayEnabledForSelf(moduleName, true, USERID);
47 overlayManagerHostImpl.SetOverlayEnabled(bundleName, moduleName, true, USERID);
48 return true;
49 }
50 }
51
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 char* ch = static_cast<char*>(malloc(size + 1));
65 if (ch == nullptr) {
66 return 0;
67 }
68
69 (void)memset_s(ch, size + 1, 0x00, size + 1);
70 if (memcpy_s(ch, size, data, size) != EOK) {
71 free(ch);
72 ch = nullptr;
73 return 0;
74 }
75 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
76 free(ch);
77 ch = nullptr;
78 return 0;
79 }