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 "bundleoverlaymgr_fuzzer.h"
18
19 #include "bundle_overlay_manager.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 BundleOverlayManager manager;
31 std::string bundleName(data, size);
32 manager.IsExistedNonOverlayHap(bundleName);
33 InnerBundleInfo innerBundleInfo;
34 manager.GetInnerBundleInfo(bundleName, innerBundleInfo);
35 std::vector<OverlayModuleInfo> overlayModuleInfos;
36 manager.GetAllOverlayModuleInfo(bundleName, overlayModuleInfos, USERID);
37 std::string moduleName(data, size);
38 OverlayModuleInfo overlayModuleInfo;
39 manager.GetOverlayModuleInfo(bundleName, moduleName, overlayModuleInfo, USERID);
40 std::string targetBundleName(data, size);
41 std::vector<OverlayBundleInfo> overlayBundleInfos;
42 manager.GetOverlayBundleInfoForTarget(targetBundleName, overlayBundleInfos, USERID);
43 std::string targetModuleName(data, size);
44 manager.GetOverlayModuleInfoForTarget(targetBundleName, targetModuleName, overlayModuleInfos, USERID);
45 manager.SetOverlayEnabled(bundleName, moduleName, true, USERID);
46 return true;
47 }
48 }
49
50 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
52 {
53 /* Run your code on data */
54 if (data == nullptr) {
55 return 0;
56 }
57
58 if (size < OHOS::U32_AT_SIZE) {
59 return 0;
60 }
61
62 char* ch = static_cast<char*>(malloc(size + 1));
63 if (ch == nullptr) {
64 return 0;
65 }
66
67 (void)memset_s(ch, size + 1, 0x00, size + 1);
68 if (memcpy_s(ch, size, data, size) != EOK) {
69 free(ch);
70 ch = nullptr;
71 return 0;
72 }
73 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
74 free(ch);
75 ch = nullptr;
76 return 0;
77 }