LunaHook-mirror/LunaHook/engines/v8/v8.cpp
恍兮惚兮 95187cd225 v8
2024-10-31 01:20:58 +08:00

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#include "v8.h"
int makehttpgetserverinternal();
const wchar_t *LUNA_CONTENTBYPASS(const wchar_t *_);
namespace
{
constexpr auto magicsend = L"\x01LUNAFROMJS\x01";
constexpr auto magicrecv = L"\x01LUNAFROMHOST\x01";
}
namespace
{
bool useclipboard = true;
bool usehttp = true;
int usehttp_port = 0;
}
namespace
{
void parsebefore(wchar_t *text, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
if (startWith(text, magicsend))
{
text += wcslen(magicsend);
auto spl = wcschr(text, L'\x03');
strcpy(hp->name, wcasta(std::wstring(text, spl - text)).c_str());
text = spl + 1;
spl = wcschr(text, L'\x04');
*split = std::stoi(std::wstring(text, spl - text));
text = spl + 1;
auto embedable = wcschr(text, L'\x02');
auto isembedabl = std::stoi(std::wstring(text, embedable - text));
if (isembedabl)
hp->type |= EMBED_ABLE;
else
hp->type &= ~EMBED_ABLE;
text = embedable + 1;
*data = (uintptr_t)text;
*len = wcslen(text) * 2;
}
}
std::wstring parseafter(void *data, size_t len)
{
std::wstring transwithfont = magicrecv;
transwithfont += embedsharedmem->fontFamily;
transwithfont += L'\x02';
transwithfont += std::wstring((wchar_t *)data, len / 2);
return transwithfont;
}
}
namespace
{
bool hookClipboard()
{
HookParam hp;
hp.address = (uintptr_t)SetClipboardData;
hp.type = USING_STRING | NO_CONTEXT | CODEC_UTF16 | EMBED_ABLE | EMBED_BEFORE_SIMPLE;
hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
HGLOBAL hClipboardData = (HGLOBAL)stack->ARG2;
parsebefore((wchar_t *)GlobalLock(hClipboardData), hp, data, split, len);
GlobalUnlock(hClipboardData);
};
hp.hook_after = [](hook_stack *s, void *data, size_t len)
{
std::wstring transwithfont = parseafter(data, len);
HGLOBAL hClipboardData = GlobalAlloc(GMEM_MOVEABLE, transwithfont.size() * 2 + 2);
auto pchData = (wchar_t *)GlobalLock(hClipboardData);
wcscpy(pchData, (wchar_t *)transwithfont.c_str());
GlobalUnlock(hClipboardData);
s->ARG2 = (uintptr_t)hClipboardData;
};
return NewHook(hp, "nwjs/electron rpgmakermv/tyranoscript");
}
}
namespace
{
bool hook_LUNA_CONTENTBYPASS()
{
HookParam hp;
hp.address = (uintptr_t)LUNA_CONTENTBYPASS;
hp.type = USING_STRING | NO_CONTEXT | CODEC_UTF16 | EMBED_ABLE | EMBED_BEFORE_SIMPLE;
hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
parsebefore((wchar_t *)stack->ARG1, hp, data, split, len);
};
hp.hook_after = [](hook_stack *s, void *data, size_t len)
{
std::wstring transwithfont = parseafter(data, len);
auto news = new wchar_t[transwithfont.size() + 1];
wcscpy(news, transwithfont.c_str());
s->ARG1 = (uintptr_t)news;
};
return NewHook(hp, "nwjs/electron rpgmakermv/tyranoscript");
}
}
namespace v8script
{
typedef void (*RequestInterrupt_callback)(void *, void *);
#ifndef _WIN64
#define fnRequestInterrupt "?RequestInterrupt@Isolate@v8@@QAEXP6AXPAV12@PAX@Z1@Z"
#define fnNewFromUtf8_maybelocal "?NewFromUtf8@String@v8@@SA?AV?$MaybeLocal@VString@v8@@@2@PAVIsolate@2@PBDW4NewStringType@2@H@Z"
#define fnNewFromUtf8_local "?NewFromUtf8@String@v8@@SA?AV?$Local@VString@v8@@@2@PAVIsolate@2@PBDW4NewStringType@12@H@Z"
#define fnGetCurrentContext "?GetCurrentContext@Isolate@v8@@QAE?AV?$Local@VContext@v8@@@2@XZ"
#define fnCompile_local "?Compile@Script@v8@@SA?AV?$Local@VScript@v8@@@2@V?$Handle@VString@v8@@@2@PAVScriptOrigin@2@@Z"
#define fnCompile_local_2 "?Compile@Script@v8@@SA?AV?$Local@VScript@v8@@@2@V?$Local@VString@v8@@@2@PAVScriptOrigin@2@@Z"
#define fnRun_local "?Run@Script@v8@@QAE?AV?$Local@VValue@v8@@@2@XZ"
#define fnCompile_maylocal "?Compile@Script@v8@@SA?AV?$MaybeLocal@VScript@v8@@@2@V?$Local@VContext@v8@@@2@V?$Local@VString@v8@@@2@PAVScriptOrigin@2@@Z"
#define fnRunv_maylocal "?Run@Script@v8@@QAE?AV?$MaybeLocal@VValue@v8@@@2@V?$Local@VContext@v8@@@2@@Z"
#else
#define fnRequestInterrupt "?RequestInterrupt@Isolate@v8@@QEAAXP6AXPEAV12@PEAX@Z1@Z"
#define fnNewFromUtf8_maybelocal "?NewFromUtf8@String@v8@@SA?AV?$MaybeLocal@VString@v8@@@2@PEAVIsolate@2@PEBDW4NewStringType@2@H@Z"
#define fnNewFromUtf8_local "?NewFromUtf8@String@v8@@SA?AV?$Local@VString@v8@@@2@PEAVIsolate@2@PEBDW4NewStringType@12@H@Z"
#define fnGetCurrentContext "?GetCurrentContext@Isolate@v8@@QEAA?AV?$Local@VContext@v8@@@2@XZ"
#define fnCompile_local "?Compile@Script@v8@@SA?AV?$Local@VScript@v8@@@2@V?$Handle@VString@v8@@@2@PEAVScriptOrigin@2@@Z"
#define fnCompile_local_2 fnCompile_local
#define fnRun_local "?Run@Script@v8@@QEAA?AV?$Local@VValue@v8@@@2@XZ"
#define fnCompile_maylocal "?Compile@Script@v8@@SA?AV?$MaybeLocal@VScript@v8@@@2@V?$Local@VContext@v8@@@2@V?$Local@VString@v8@@@2@PEAVScriptOrigin@2@@Z"
#define fnRunv_maylocal "?Run@Script@v8@@QEAA?AV?$MaybeLocal@VValue@v8@@@2@V?$Local@VContext@v8@@@2@@Z"
#endif
typedef void *(THISCALL *GetCurrentContextt)(void *, void *);
typedef void *(THISCALL *Run_local_t)(void *, void *);
typedef void *(THISCALL *Run_maybelocal_t)(void *, void *, void *);
typedef void *(THISCALL *RequestInterruptt)(void *, RequestInterrupt_callback, void *);
typedef void *(*NewFromUtf8t)(void *, void *, const char *, int, int);
typedef void *(*Compile_local_t)(void *, void *, void *);
typedef void *(*Compile_maybelocal_t)(void *, void *, void *, void *);
RequestInterruptt RequestInterrupt;
NewFromUtf8t NewFromUtf8 = 0, NewFromUtf8v2, NewFromUtf8v1;
GetCurrentContextt GetCurrentContext;
Compile_local_t Compile_local;
Compile_maybelocal_t Compile_maybelocal;
Run_local_t Run_local;
Run_maybelocal_t Run_maybelocal;
void _interrupt_function(void *isolate, void *)
{
void *context;
void *v8string;
void *script;
void *useless;
ConsoleOutput("isolate %p", isolate);
GetCurrentContext(isolate, &context);
ConsoleOutput("context %p", context);
if (!context)
return;
int is_packed = 0;
if (auto moduleFileName = getModuleFilename())
{
AutoHandle hFile = CreateFile(moduleFileName.value().c_str(), FILE_READ_ATTRIBUTES, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile)
{
LARGE_INTEGER fileSize;
if (GetFileSizeEx(hFile, &fileSize))
{
if (fileSize.QuadPart > 1024 * 1024 * 200)
{
// 200mb
is_packed = 1;
}
}
}
}
std::string lunajspatch = LoadResData(L"lunajspatch", L"JSSOURCE");
strReplace(lunajspatch, "IS_PACKED", std::to_string(is_packed));
strReplace(lunajspatch, "IS_USECLIPBOARD", std::to_string(useclipboard));
strReplace(lunajspatch, "INTERNAL_HTTP_PORT", std::to_string(usehttp_port));
NewFromUtf8(&v8string, isolate, lunajspatch.c_str(), 1, -1);
ConsoleOutput("v8string %p", v8string);
if (!v8string)
return;
if (NewFromUtf8v1)
{
(Compile_local)(&script, v8string, 0);
ConsoleOutput("script %p", script);
if (!script)
return;
(Run_local)(script, &useless);
ConsoleOutput("useless %p", useless);
}
else if (NewFromUtf8v2)
{
(Compile_maybelocal)(&script, context, v8string, 0);
ConsoleOutput("script %p", script);
if (!script)
return;
(Run_maybelocal)(script, &useless, context);
ConsoleOutput("useless %p", useless);
}
}
bool init_v8_functions(HMODULE hmodule)
{
RequestInterrupt = (decltype(RequestInterrupt))GetProcAddress(hmodule, fnRequestInterrupt);
NewFromUtf8v2 = (decltype(NewFromUtf8))GetProcAddress(hmodule, fnNewFromUtf8_maybelocal);
NewFromUtf8v1 = (decltype(NewFromUtf8))GetProcAddress(hmodule, fnNewFromUtf8_local);
GetCurrentContext = (decltype(GetCurrentContext))GetProcAddress(hmodule, fnGetCurrentContext);
if (!(RequestInterrupt && GetCurrentContext))
return false;
if (NewFromUtf8v1)
{
NewFromUtf8 = NewFromUtf8v1;
Compile_local = (decltype(Compile_local))GetProcAddress(hmodule, fnCompile_local);
if (!Compile_local)
Compile_local = (decltype(Compile_local))GetProcAddress(hmodule, fnCompile_local_2);
Run_local = (decltype(Run_local))GetProcAddress(hmodule, fnRun_local);
if (!(Run_local && Compile_local))
return false;
}
else if (NewFromUtf8v2)
{
NewFromUtf8 = NewFromUtf8v2;
Compile_maybelocal = (decltype(Compile_maybelocal))GetProcAddress(hmodule, fnCompile_maylocal);
Run_maybelocal = (decltype(Run_maybelocal))GetProcAddress(hmodule, fnRunv_maylocal);
if (!(Run_maybelocal && Compile_maybelocal))
return false;
}
else
return false;
return true;
}
bool v8runscript_isolate(void *isolate)
{
if (!isolate)
return false;
RequestInterrupt(isolate, _interrupt_function, nullptr);
return true;
}
void v8runscript_isolate_bypass(hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
hp->type = HOOK_EMPTY;
hp->text_fun = nullptr;
auto isolate = (void *)stack->ARG2; // 测试正确且和v8::Isolate::GetCurrent结果相同
v8runscript_isolate(isolate);
}
void *v8getcurrisolate(HMODULE hmod)
{
#ifndef _WIN64
#define fnGetCurrent "?GetCurrent@Isolate@v8@@SAPAV12@XZ"
#define fnTryGetCurrent "?TryGetCurrent@Isolate@v8@@SAPAV12@XZ"
#else
#define fnGetCurrent "?GetCurrent@Isolate@v8@@SAPEAV12@XZ"
#define fnTryGetCurrent "?TryGetCurrent@Isolate@v8@@SAPEAV12@XZ"
#endif
void *GetCurrent;
GetCurrent = GetProcAddress(hmod, fnGetCurrent);
if (!GetCurrent)
GetCurrent = GetProcAddress(hmod, fnTryGetCurrent);
if (!GetCurrent)
return 0;
auto isolate = ((void *(*)())GetCurrent)();
return isolate;
}
bool v8runscript(HMODULE _hmodule)
{
auto isolate = v8getcurrisolate(_hmodule);
if (isolate)
return v8runscript_isolate(isolate);
#ifndef _WIN64
#define fnisolategetters {"?New@Number@v8@@SA?AV?$Local@VNumber@v8@@@2@PEAVIsolate@2@N@Z", "?New@Number@v8@@SA?AV?$Local@VNumber@v8@@@2@PAVIsolate@2@N@Z", "?NewFromUtf8@String@v8@@SA?AV?$Local@VString@v8@@@2@PAVIsolate@2@PBDW4NewStringType@12@H@Z"}
#else
#define fnisolategetters {"?New@Integer@v8@@SA?AV?$Local@VInteger@v8@@@2@PEAVIsolate@2@H@Z", "?New@Number@v8@@SA?AV?$Local@VNumber@v8@@@2@PEAVIsolate@2@N@Z", "?New@Number@v8@@SA?AV?$Local@VNumber@v8@@@2@PAVIsolate@2@N@Z", "?NewFromUtf8@String@v8@@SA?AV?$Local@VString@v8@@@2@PEAVIsolate@2@PEBDW4NewStringType@12@H@Z", "?Utf8Length@String@v8@@QEBAHPEAVIsolate@2@@Z"}
#endif
bool succ = false;
for (auto fnisolategetter : fnisolategetters)
{
auto isolategetter = GetProcAddress(_hmodule, fnisolategetter);
if (!isolategetter)
continue;
HookParam hp;
hp.address = (uintptr_t)isolategetter;
hp.text_fun = v8runscript_isolate_bypass;
succ |= NewHook(hp, "isolategetter");
}
return succ;
}
}
namespace
{
#ifndef _WIN64
#define v8StringLength "?Length@String@v8@@QBEHXZ"
#define v8StringWriteUtf8 "?WriteUtf8@String@v8@@QBEHPADHPAHH@Z"
#define v8StringUtf8Length "?Utf8Length@String@v8@@QBEHXZ"
#define v8StringWrite "?Write@String@v8@@QBEHPAGHHH@Z"
#define v8StringWriteIsolate "?Write@String@v8@@QBEHPAVIsolate@2@PAGHHH@Z"
#else
#define v8StringLength "?Length@String@v8@@QEBAHXZ"
#define v8StringWriteUtf8 "?WriteUtf8@String@v8@@QEBAHPEADHPEAHH@Z"
#define v8StringUtf8Length "?Utf8Length@String@v8@@QEBAHXZ"
#define v8StringWrite "?Write@String@v8@@QEBAHPEAGHHH@Z"
#define v8StringWriteIsolate "?Write@String@v8@@QEBAHPEAVIsolate@2@PEAGHHH@Z"
#endif
uintptr_t WriteUtf8;
uintptr_t Utf8Length;
bool hookstring(HMODULE hm)
{
WriteUtf8 = (uintptr_t)GetProcAddress(hm, v8StringWriteUtf8);
Utf8Length = (uintptr_t)GetProcAddress(hm, v8StringUtf8Length);
if (WriteUtf8 == 0 || Utf8Length == 0)
return false;
HookParam hp;
hp.type = USING_STRING | CODEC_UTF8;
hp.text_fun =
[](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
auto length = ((size_t(THISCALL *)(void *))Utf8Length)((void *)stack->THISCALLTHIS);
if (!length)
return;
auto u8str = new char[length + 1];
int writen;
((size_t(THISCALL *)(void *, char *, int, int *, int))WriteUtf8)((void *)stack->THISCALLTHIS, u8str, length, &writen, 0);
*data = (uintptr_t)u8str;
*len = length;
};
hp.filter_fun = [](void *data, size_t *len, HookParam *hp)
{
if (strstr((char *)data, R"(http://)") != 0)
return false;
if (strstr((char *)data, R"(https://)") != 0)
return false;
if (strstr((char *)data, R"(\\?\)") != 0)
return false; // 过滤路径
return true;
};
bool succ = false;
auto pv8StringLength = GetProcAddress(hm, v8StringLength);
if (pv8StringLength)
{
hp.address = (uintptr_t)pv8StringLength;
succ |= NewHook(hp, "v8::String::Length");
}
auto pv8StringWrite = GetProcAddress(hm, v8StringWrite);
if (pv8StringWrite)
{
hp.address = (uintptr_t)pv8StringWrite;
succ |= NewHook(hp, "v8::String::Write");
}
auto pv8StringWriteIsolate = GetProcAddress(hm, v8StringWriteIsolate);
if (pv8StringWriteIsolate)
{
hp.address = (uintptr_t)pv8StringWriteIsolate;
succ |= NewHook(hp, "v8::String::Write::isolate");
}
return succ;
}
}
bool tryhookv8()
{
for (const wchar_t *moduleName : {(const wchar_t *)NULL, L"node.dll", L"nw.dll"})
{
auto hm = GetModuleHandleW(moduleName);
if (hm == 0)
continue;
auto stringsucc = hookstring(hm);
auto funcsucc = v8script::init_v8_functions(hm);
auto succ = stringsucc;
if (funcsucc)
{
useclipboard = !std::filesystem::exists(std::filesystem::path(getModuleFilename().value()).replace_filename("disable.clipboard"));
usehttp = !std::filesystem::exists(std::filesystem::path(getModuleFilename().value()).replace_filename("disable.http"));
if (usehttp)
{
usehttp_port = makehttpgetserverinternal();
ConsoleOutput("%d %d", GetCurrentProcessId(), usehttp_port);
hook_LUNA_CONTENTBYPASS();
dont_detach = true;
}
if (useclipboard)
{
hookClipboard();
}
if (useclipboard || usehttp)
succ |= v8script::v8runscript(hm);
}
if (stringsucc || funcsucc)
return succ;
}
return false;
}