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 "bundleresdrawable_fuzzer.h"
18
19 #include "bundle_resource_drawable.h"
20 #include "bundle_resource_event_subscriber.h"
21 #include "common_event_support.h"
22 #include "securec.h"
23
24 using namespace OHOS::AppExecFwk;
25 namespace OHOS {
26 constexpr size_t U32_AT_SIZE = 4;
27 constexpr uint32_t CODE_MAX = 8;
28
DoSomethingInterestingWithMyAPI(const char * data,size_t size)29 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
30 {
31 BundleResourceDrawable drawable;
32 uint32_t iconId = 1;
33 int32_t density = reinterpret_cast<uintptr_t>(data);
34 ResourceInfo resourceInfo;
35 drawable.GetIconResourceByTheme(iconId, density, nullptr, resourceInfo);
36 std::shared_ptr<Global::Resource::ResourceManager> resourceManager(Global::Resource::CreateResourceManager());
37 drawable.GetIconResourceByHap(iconId, density, resourceManager, resourceInfo);
38
39 OHOS::EventFwk::MatchingSkills matchingSkills;
40 matchingSkills.AddEvent(OHOS::EventFwk::CommonEventSupport::COMMON_EVENT_USER_SWITCHED);
41 OHOS::EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
42 auto subscriberPtr = std::make_shared<BundleResourceEventSubscriber>(subscribeInfo);
43 int32_t oldUserId = 1;
44 int32_t newUserId = 2;
45 subscriberPtr->OnUserIdChanged(oldUserId, newUserId);
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 }