1/*
2 * Copyright (c) 2022 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 "containershashsetremove_fuzzer.h"
17
18#include "ecmascript/containers/containers_hashset.h"
19#include "ecmascript/containers/containers_private.h"
20#include "ecmascript/ecma_string-inl.h"
21#include "ecmascript/ecma_vm.h"
22#include "ecmascript/global_env.h"
23#include "ecmascript/js_handle.h"
24#include "ecmascript/napi/include/jsnapi.h"
25
26using namespace panda;
27using namespace panda::ecmascript;
28using namespace panda::ecmascript::containers;
29
30#define MAXBYTELEN sizeof(uint32_t)
31
32namespace OHOS {
33
34    JSFunction *JSObjectCreate(JSThread *thread)
35    {
36        EcmaVM *ecmaVM = thread->GetEcmaVM();
37        JSHandle<GlobalEnv> globalEnv = ecmaVM->GetGlobalEnv();
38        return globalEnv->GetObjectFunction().GetObject<JSFunction>();
39    }
40
41    EcmaRuntimeCallInfo *CreateEcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs)
42    {
43        auto factory = thread->GetEcmaVM()->GetFactory();
44        JSHandle<JSTaggedValue> hclass(thread, JSObjectCreate(thread));
45        JSHandle<JSTaggedValue> callee(factory->NewJSObjectByConstructor(JSHandle<JSFunction>::Cast(hclass), hclass));
46        JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
47        EcmaRuntimeCallInfo *objCallInfo =
48            EcmaInterpreter::NewRuntimeCallInfo(thread, undefined, callee, undefined, numArgs);
49        return objCallInfo;
50    }
51    JSTaggedValue InitializeHashSetConstructor(JSThread *thread)
52    {
53        ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
54        JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
55
56        JSHandle<JSTaggedValue> globalObject = env->GetJSGlobalObject();
57        JSHandle<JSTaggedValue> key(factory->NewFromASCII("ArkPrivate"));
58        JSHandle<JSTaggedValue> value =
59            JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(globalObject), key).GetValue();
60
61        auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 6);
62        objCallInfo->SetFunction(JSTaggedValue::Undefined());
63        objCallInfo->SetThis(value.GetTaggedValue());
64        objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(ContainerTag::HashSet)));
65        JSTaggedValue result = ContainersPrivate::Load(objCallInfo);
66        return result;
67    }
68
69    JSHandle<JSAPIHashSet> CreateJSAPIHashSet(JSThread *thread)
70    {
71        JSHandle<JSFunction> newTarget(thread, InitializeHashSetConstructor(thread));
72        auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 4);
73        objCallInfo->SetFunction(newTarget.GetTaggedValue());
74        objCallInfo->SetNewTarget(newTarget.GetTaggedValue());
75        objCallInfo->SetThis(JSTaggedValue::Undefined());
76
77        JSTaggedValue result = ContainersHashSet::HashSetConstructor(objCallInfo);
78        JSHandle<JSAPIHashSet> map(thread, result);
79        return map;
80    }
81
82    void ContainersHashSetRemoveFuzzTest(const uint8_t* data, size_t size)
83    {
84        RuntimeOption option;
85        option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
86        EcmaVM *vm = JSNApi::CreateJSVM(option);
87        {
88            JsiFastNativeScope scope(vm);
89            auto thread = vm->GetAssociatedJSThread();
90
91            uint32_t input;
92            if (size <= 0) {
93                return;
94            }
95            if (size > MAXBYTELEN) {
96                size = MAXBYTELEN;
97            }
98            if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
99                std::cout << "memcpy_s failed!";
100                UNREACHABLE();
101            }
102
103            JSHandle<JSAPIHashSet> hashSet = CreateJSAPIHashSet(thread);
104            EcmaRuntimeCallInfo *callInfo = CreateEcmaRuntimeCallInfo(thread, 6);
105            callInfo->SetFunction(JSTaggedValue::Undefined());
106            callInfo->SetThis(hashSet.GetTaggedValue());
107            callInfo->SetCallArg(0, JSTaggedValue(input));
108            [[maybe_unused]] JSTaggedValue resultAdd = ContainersHashSet::Add(callInfo);
109
110            EcmaRuntimeCallInfo *callInfoRemove = CreateEcmaRuntimeCallInfo(thread, 6);
111            callInfoRemove->SetFunction(JSTaggedValue::Undefined());
112            callInfoRemove->SetThis(hashSet.GetTaggedValue());
113            callInfoRemove->SetCallArg(0, JSTaggedValue(input));
114            [[maybe_unused]] JSTaggedValue resultRemove = ContainersHashSet::Remove(callInfoRemove);
115        }
116        JSNApi::DestroyJSVM(vm);
117    }
118}
119
120// Fuzzer entry point.
121extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
122{
123    // Run your code on data.
124    OHOS::ContainersHashSetRemoveFuzzTest(data, size);
125    return 0;
126}