mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-10-22 23:18:16 +08:00
92 lines
3.8 KiB
C++
92 lines
3.8 KiB
C++
/*
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// v8这样做比用剪贴板好，但。。。太难了，而且版本兼容性不太好
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typedef void *(*FunctionTemplateNew_t)(void *, void *, void *, void *, void *, int, int, int);
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typedef void *(*FunctionTemplateGetFunction_t)(void *, void *, void *);
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typedef void *(*FunctionSetName_t)(void *, void *);
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typedef void *(*Global_t)(void *, void *);
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typedef void *(*SetObject_t)(void *, void *, void *, void *, void *);
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Global_t Global;
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SetObject_t SetObject;
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FunctionTemplateNew_t FunctionTemplateNew;
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FunctionTemplateGetFunction_t FunctionTemplateGetFunction;
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FunctionSetName_t FunctionSetName;
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#define fnFunctionTemplateNew "?New@FunctionTemplate@v8@@SA?AV?$Local@VFunctionTemplate@v8@@@2@PAVIsolate@2@P6AXABV?$FunctionCallbackInfo@VValue@v8@@@2@@ZV?$Local@VValue@v8@@@2@V?$Local@VSignature@v8@@@2@HW4ConstructorBehavior@2@@Z"
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#define fnFunctionTemplateGetFunction "?GetFunction@FunctionTemplate@v8@@QAE?AV?$MaybeLocal@VFunction@v8@@@2@V?$Local@VContext@v8@@@2@@Z"
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#define fnFunctionSetName "?SetName@Function@v8@@QAEXV?$Local@VString@v8@@@2@@Z"
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#define fnGlobal "?Global@Context@v8@@QAE?AV?$Local@VObject@v8@@@2@XZ"
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#define fnSetObject "?Set@Object@v8@@QAE?AV?$Maybe@_N@2@V?$Local@VContext@v8@@@2@V?$Local@VValue@v8@@@2@1@Z"
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void tryinsertglobalfunction(void *isolate)
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{
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SetObject = (SetObject_t)GetProcAddress(hmodule, fnSetObject);
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Global = (Global_t)GetProcAddress(hmodule, fnGlobal);
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FunctionTemplateNew = (FunctionTemplateNew_t)GetProcAddress(hmodule, fnFunctionTemplateNew);
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FunctionTemplateGetFunction = (FunctionTemplateGetFunction_t)GetProcAddress(hmodule, fnFunctionTemplateGetFunction);
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FunctionSetName = (FunctionSetName_t)GetProcAddress(hmodule, fnFunctionSetName);
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void *context;
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void *v8string;
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void *script;
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void *useless;
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void *FunctionTemplate;
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void *unknown;
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void *v12[7];
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ConsoleOutput("%p %p %p %p %p", SetObject, Global, FunctionTemplateNew, FunctionTemplateGetFunction, FunctionSetName);
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GetCurrentContext(isolate, &context);
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ConsoleOutput("context %p", context);
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auto f = FunctionTemplateNew(&FunctionTemplate, context, Method, v12[0], 0, 0, 1, 0);
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ConsoleOutput("FunctionTemplate %p %p", *(void **)f, unknown);
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void *Function = FunctionTemplateGetFunction(FunctionTemplate, &unknown, context);
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auto string = NewFromUtf8(&v8string, isolate, "hello", 1, -1);
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ConsoleOutput("%p %p", *(void **)string, v8string);
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FunctionSetName(*(void **)Function, *(void **)string);
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auto global = Global(context, &unknown);
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SetObject(*(void **)global, &unknown, context, *(void **)string, *(void **)Function);
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}
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*/
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#include <node.h>
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using namespace v8;
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void NODE_SET_METHOD_X(const char *name,
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v8::FunctionCallback callback)
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{
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v8::Isolate *isolate = v8::Isolate::GetCurrent();
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v8::HandleScope handle_scope(isolate);
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v8::Local<v8::Context> context = isolate->GetCurrentContext();
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v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate,
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callback);
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v8::Local<v8::Function> fn = t->GetFunction(context).ToLocalChecked();
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v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name,
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v8::NewStringType::kInternalized)
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.ToLocalChecked();
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fn->SetName(fn_name);
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context->Global()->Set(context, fn_name, fn).Check();
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}
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extern "C" __declspec(dllexport) void utf8interaction(char *utf8)
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{
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// 用来和lunahook交互
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utf8[0] += 10;
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}
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void Method(const FunctionCallbackInfo<Value> &args)
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{
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Isolate *isolate = Isolate::GetCurrent();
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HandleScope scope(isolate);
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auto locals = args[0]->ToString(isolate->GetCurrentContext()).ToLocalChecked();
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auto size = locals->Utf8Length(isolate);
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auto buff = std::make_unique<char[]>(size + 1);
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locals->WriteUtf8(isolate, buff.get());
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utf8interaction(buff.get());
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args.GetReturnValue().Set(String::NewFromUtf8(isolate, buff.get()).ToLocalChecked());
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}
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extern "C" __declspec(dllexport) void globalfunction()
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{
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NODE_SET_METHOD_X("hello", Method);
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}
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