mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-24 14:25:37 +08:00
220 lines
8.2 KiB
C++
220 lines
8.2 KiB
C++
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#include"types.h"
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#include"main.h"
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#include"v8.h"
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#ifndef _WIN64
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#define arg2 stack[2]
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#else
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#define arg2 rdx
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#endif
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namespace{
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bool hookClipboard(){
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HookParam hp;
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hp.address=(uintptr_t)SetClipboardData;
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hp.type= USING_STRING|CODEC_UTF16|EMBED_ABLE|EMBED_BEFORE_SIMPLE;
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hp.text_fun=[](hook_stack* stack, HookParam *hp, uintptr_t* data, uintptr_t* split, size_t* len){
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HGLOBAL hClipboardData=(HGLOBAL)stack->arg2;
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*data=(uintptr_t)GlobalLock(hClipboardData);
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*len=wcslen((wchar_t*)*data)*2;
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GlobalUnlock(hClipboardData);
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};
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hp.hook_after=[](hook_stack*s,void* data, size_t len){
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HGLOBAL hClipboardData = GlobalAlloc(GMEM_MOVEABLE, len +2);
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auto pchData = (wchar_t*)GlobalLock(hClipboardData);
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wcscpy(pchData, (wchar_t*)data);
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GlobalUnlock(hClipboardData);
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s->arg2=(uintptr_t)hClipboardData;
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};
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return NewHook(hp,"hookClipboard");
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}
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}
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namespace v8script{
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HMODULE hmodule;
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#ifndef _WIN64
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#define fnNewFromUtf8v2 "?NewFromUtf8@String@v8@@SA?AV?$MaybeLocal@VString@v8@@@2@PAVIsolate@2@PBDW4NewStringType@2@H@Z"
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#define fnNewFromUtf8v1 "?NewFromUtf8@String@v8@@SA?AV?$Local@VString@v8@@@2@PAVIsolate@2@PBDW4NewStringType@12@H@Z"
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#define fnGetCurrentContext "?GetCurrentContext@Isolate@v8@@QAE?AV?$Local@VContext@v8@@@2@XZ"
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#define fnCompilev1 "?Compile@Script@v8@@SA?AV?$Local@VScript@v8@@@2@V?$Handle@VString@v8@@@2@PAVScriptOrigin@2@@Z"
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#define fnCompilev12 "?Compile@Script@v8@@SA?AV?$Local@VScript@v8@@@2@V?$Local@VString@v8@@@2@PAVScriptOrigin@2@@Z"
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#define fnRunv1 "?Run@Script@v8@@QAE?AV?$Local@VValue@v8@@@2@XZ"
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#define fnCompilev2 "?Compile@Script@v8@@SA?AV?$MaybeLocal@VScript@v8@@@2@V?$Local@VContext@v8@@@2@V?$Local@VString@v8@@@2@PAVScriptOrigin@2@@Z"
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#define fnRunv2 "?Run@Script@v8@@QAE?AV?$MaybeLocal@VValue@v8@@@2@V?$Local@VContext@v8@@@2@@Z"
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typedef void*(__thiscall *GetCurrentContextt)(void*, void*);
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typedef void*(__thiscall*Runt1)(void*,void*);
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typedef void*(__thiscall*Runt2)(void*,void*,void*);
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#else
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#define fnNewFromUtf8v2 "?NewFromUtf8@String@v8@@SA?AV?$MaybeLocal@VString@v8@@@2@PEAVIsolate@2@PEBDW4NewStringType@2@H@Z"
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#define fnNewFromUtf8v1 "?NewFromUtf8@String@v8@@SA?AV?$Local@VString@v8@@@2@PEAVIsolate@2@PEBDW4NewStringType@12@H@Z"
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#define fnGetCurrentContext "?GetCurrentContext@Isolate@v8@@QEAA?AV?$Local@VContext@v8@@@2@XZ"
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#define fnCompilev1 "?Compile@Script@v8@@SA?AV?$Local@VScript@v8@@@2@V?$Handle@VString@v8@@@2@PEAVScriptOrigin@2@@Z"
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#define fnCompilev12 fnCompilev1
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#define fnRunv1 "?Run@Script@v8@@QEAA?AV?$Local@VValue@v8@@@2@XZ"
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#define fnCompilev2 "?Compile@Script@v8@@SA?AV?$MaybeLocal@VScript@v8@@@2@V?$Local@VContext@v8@@@2@V?$Local@VString@v8@@@2@PEAVScriptOrigin@2@@Z"
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#define fnRunv2 "?Run@Script@v8@@QEAA?AV?$MaybeLocal@VValue@v8@@@2@V?$Local@VContext@v8@@@2@@Z"
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typedef void*(*GetCurrentContextt)(void*, void*);
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typedef void*(*Runt1)(void*,void*);
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typedef void*(*Runt2)(void*,void*,void*);
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#endif
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typedef void*(*NewFromUtf8t)(void*, void*, const char*, int, int) ;
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typedef void*(*Compilet)(void*, void*, void*, void*);
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bool v8runscript_isolate(void* isolate){
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if(isolate==0)return false;
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NewFromUtf8t NewFromUtf8=0;
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GetCurrentContextt GetCurrentContext ;
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Compilet Compile;
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void* Run;
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auto NewFromUtf8v2 = (decltype(NewFromUtf8))GetProcAddress(hmodule, fnNewFromUtf8v2);
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auto NewFromUtf8v1 = (decltype(NewFromUtf8))GetProcAddress(hmodule, fnNewFromUtf8v1);
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GetCurrentContext = (decltype(GetCurrentContext))GetProcAddress(hmodule, fnGetCurrentContext);
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if(NewFromUtf8v1)
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{
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NewFromUtf8=NewFromUtf8v1;
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Compile = (decltype(Compile))GetProcAddress(hmodule, fnCompilev1);
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if(!Compile) Compile=(decltype(Compile))GetProcAddress(hmodule, fnCompilev12);
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Run = (decltype(Run))GetProcAddress(hmodule, fnRunv1);
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}
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else if(NewFromUtf8v2)
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{
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NewFromUtf8=NewFromUtf8v2;
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Compile = (decltype(Compile))GetProcAddress(hmodule, fnCompilev2);
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Run = (decltype(Run))GetProcAddress(hmodule, fnRunv2);
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}
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ConsoleOutput("%p %p",NewFromUtf8v1,NewFromUtf8v2);
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ConsoleOutput("%p %p %p %p",GetCurrentContext, NewFromUtf8, Compile, Run);
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if(!(GetCurrentContext && NewFromUtf8 && Compile && Run))return false;
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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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ConsoleOutput("isolate %p",isolate);
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GetCurrentContext(isolate,&context);
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ConsoleOutput("context %p",context);
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if(context==0)return false;
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NewFromUtf8(&v8string,isolate,LoadResData(L"lunajspatch",L"JSSOURCE").c_str(),1,-1);
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ConsoleOutput("v8string %p",v8string);
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if(v8string==0)return false;
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if(NewFromUtf8v1)
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{
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Compile(&script,v8string,0,0);
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ConsoleOutput("script %p",script);
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if(script==0)return false;
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((Runt1)Run)(script,&useless);
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}
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else if(NewFromUtf8v2)
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{
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Compile(&script,context,v8string,0);
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ConsoleOutput("script %p",script);
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if(script==0)return false;
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((Runt2)Run)(script,&useless,context);
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ConsoleOutput("useless %p",useless);
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}
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return true;
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}
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void v8runscript_isolate_bypass(hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len){
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hp->type=HOOK_EMPTY;hp->text_fun=nullptr;
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#ifndef _WIN64
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#define isolatearg stack[2]
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#else
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#define isolatearg rdx
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#endif
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auto isolate=(void*)stack->isolatearg;//测试正确，且和v8::Isolate::GetCurrent结果相同
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v8runscript_isolate(isolate);
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}
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void* v8getcurrisolate(HMODULE hmod){
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#ifndef _WIN64
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#define fnGetCurrent "?GetCurrent@Isolate@v8@@SAPAV12@XZ"
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#define fnTryGetCurrent "?TryGetCurrent@Isolate@v8@@SAPAV12@XZ"
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#else
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#define fnGetCurrent "?GetCurrent@Isolate@v8@@SAPEAV12@XZ"
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#define fnTryGetCurrent "?TryGetCurrent@Isolate@v8@@SAPEAV12@XZ"
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#endif
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void* GetCurrent;
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GetCurrent = GetProcAddress(hmod, fnGetCurrent);
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if ( !GetCurrent )
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GetCurrent = GetProcAddress(hmod, fnTryGetCurrent);
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if(!GetCurrent)return 0;
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auto isolate=((void*(*)())GetCurrent)();
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return isolate;
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}
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bool v8runscript(HMODULE _hmodule){
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auto isolate=v8getcurrisolate(_hmodule);
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if(isolate)
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return v8runscript_isolate(isolate);
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#ifndef _WIN64
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#define isolategetter "?NewFromUtf8@String@v8@@SA?AV?$Local@VString@v8@@@2@PAVIsolate@2@PBDW4NewStringType@12@H@Z"
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#else
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#define isolategetter "?Utf8Length@String@v8@@QEBAHPEAVIsolate@2@@Z" //旧版没有
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//??0TryCatch@v8@@QEAA@PEAVIsolate@1@@Z也可以，但是有报错
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#endif
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auto stringlengthisolate=GetProcAddress(_hmodule,isolategetter);
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if(!stringlengthisolate)return false;
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hmodule=_hmodule;
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HookParam hp;
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hp.address=(uintptr_t)stringlengthisolate;
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hp.text_fun=v8runscript_isolate_bypass;
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return NewHook(hp,"v8isolate");
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}
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}
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namespace{
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bool hookstringlength(HMODULE hm){
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#ifndef _WIN64
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#define v8StringLength "?Length@String@v8@@QBEHXZ"
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#define v8StringWriteUtf8 "?WriteUtf8@String@v8@@QBEHPADHPAHH@Z"
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#define v8StringUtf8Length "?Utf8Length@String@v8@@QBEHXZ"
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#else
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#define v8StringLength "?Length@String@v8@@QEBAHXZ"
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#define v8StringWriteUtf8 "?WriteUtf8@String@v8@@QEBAHPEADHPEAHH@Z"
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#define v8StringUtf8Length "?Utf8Length@String@v8@@QEBAHXZ"
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#endif
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auto Length=GetProcAddress(hm,v8StringLength);
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static uintptr_t WriteUtf8;
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static uintptr_t Utf8Length;
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WriteUtf8=(uintptr_t)GetProcAddress(hm,v8StringWriteUtf8);
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Utf8Length=(uintptr_t)GetProcAddress(hm,v8StringUtf8Length);
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if(Length==0||WriteUtf8==0||Utf8Length==0)return false;
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HookParam hp;
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hp.address=(uintptr_t)Length;
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hp.type=USING_STRING|CODEC_UTF8;
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hp.text_fun=
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[](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len)
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{
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#ifndef _WIN64
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auto length=((size_t(__thiscall*)(void*))Utf8Length)((void*)stack->ecx);
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#else
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auto length=((size_t(*)(void*))Utf8Length)((void*)stack->rcx);
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#endif
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if(!length)return;
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auto u8str=new char[length+1];
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int writen;
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#ifndef _WIN64
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((size_t(__thiscall*)(void*,char*,int,int*,int))WriteUtf8)((void*)stack->ecx,u8str,length,&writen,0);
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#else
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((size_t(*)(void*,char*,int,int*,int))WriteUtf8)((void*)stack->rcx,u8str,length,&writen,0);
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#endif
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*data=(uintptr_t)u8str;
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*len=length;
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};
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return NewHook(hp,"v8::String::Length");
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}
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}
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bool tryhookv8(HMODULE hm){
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auto succ=hookstringlength(hm);
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if(v8script::v8runscript(hm))
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succ|= hookClipboard();
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return succ;
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}
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