1 /*
2 * Copyright (c) 2025 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 #include "multiinstanceutils_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #include "ability_fuzz_util.h"
23 #include "multi_instance_utils.h"
24
25 using namespace OHOS::AAFwk;
26 using namespace OHOS::AppExecFwk;
27
28 namespace OHOS {
29 namespace {
30 constexpr size_t STRING_MAX_LENGTH = 128;
31 }
32
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)33 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
34 {
35 FuzzedDataProvider fdp(data, size);
36 ElementName elementName;
37 AbilityFuzzUtil::GenerateElementName(fdp, elementName);
38 Want want;
39 want.SetElement(elementName);
40 AbilityRequest abilityRequest;
41 AbilityFuzzUtil::GetRandomAbilityRequestInfo(fdp, abilityRequest);
42 AppExecFwk::ApplicationInfo appInfo;
43 AbilityFuzzUtil::GetRandomApplicationInfo(fdp, appInfo);
44 std::string key = fdp.ConsumeRandomLengthString();
45 std::string bundleName = fdp.ConsumeRandomLengthString(STRING_MAX_LENGTH);
46 int32_t extensionType =
47 fdp.ConsumeIntegralInRange<int32_t>(0, static_cast<int32_t>(ExtensionAbilityType::AWC_NEWSFEED));
48
49 MultiInstanceUtils::GetInstanceKey(want);
50 MultiInstanceUtils::GetValidExtensionInstanceKey(abilityRequest);
51 MultiInstanceUtils::GetSelfCallerInstanceKey(abilityRequest);
52 MultiInstanceUtils::IsDefaultInstanceKey(key);
53 MultiInstanceUtils::IsMultiInstanceApp(appInfo);
54 MultiInstanceUtils::IsSupportedExtensionType(static_cast<ExtensionAbilityType>(extensionType));
55 MultiInstanceUtils::IsInstanceKeyExist(bundleName, key);
56
57 return true;
58 }
59 }
60
61 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)62 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
63 {
64 // Run your code on data.
65 OHOS::DoSomethingInterestingWithMyAPI(data, size);
66 return 0;
67 }