mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-24 22:35:36 +08:00
153 lines
6.1 KiB
C++
153 lines
6.1 KiB
C++
#include"types.h"
|
|
#include"python.h"
|
|
#include"main.h"
|
|
#include"stackoffset.hpp"
|
|
namespace {
|
|
typedef wchar_t Py_UNICODE ;
|
|
typedef size_t Py_ssize_t;
|
|
typedef void PyObject ;
|
|
typedef PyObject* (*PyUnicode_FromObject_t)( PyObject *obj );
|
|
#ifdef Py_TRACE_REFS
|
|
/* Define pointers to support a doubly-linked list of all live heap objects. */
|
|
#define _PyObject_HEAD_EXTRA \
|
|
struct _object *_ob_next; \
|
|
struct _object *_ob_prev;
|
|
|
|
#define _PyObject_EXTRA_INIT 0, 0,
|
|
|
|
#else
|
|
#define _PyObject_HEAD_EXTRA
|
|
#define _PyObject_EXTRA_INIT
|
|
#endif
|
|
#define PyObject_HEAD \
|
|
_PyObject_HEAD_EXTRA \
|
|
Py_ssize_t ob_refcnt; \
|
|
struct _typeobject *ob_type;
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
Py_ssize_t length; /* Length of raw Unicode data in buffer */
|
|
Py_UNICODE *str; /* Raw Unicode buffer */
|
|
long hash; /* Hash value; -1 if not set */
|
|
PyObject *defenc; /* (Default) Encoded version as Python
|
|
string, or NULL; this is used for
|
|
implementing the buffer protocol */
|
|
} PyUnicodeObject;
|
|
#define PyUnicode_AS_UNICODE(op) \
|
|
(((PyUnicodeObject *)(op))->str)
|
|
#define PyUnicode_GET_SIZE(op) \
|
|
(((PyUnicodeObject *)(op))->length)
|
|
|
|
PyUnicode_FromObject_t PyUnicode_FromObject;
|
|
|
|
inline std::pair<Py_UNICODE*,Py_ssize_t> GetPyUnicodeString(PyObject *object){
|
|
if(PyUnicode_FromObject==NULL)
|
|
return {};
|
|
if (object == NULL)
|
|
return {};
|
|
|
|
auto uformat = PyUnicode_FromObject(object);
|
|
|
|
if (uformat == NULL){
|
|
return {};
|
|
}
|
|
|
|
auto fmt = PyUnicode_AS_UNICODE(uformat);
|
|
auto fmtcnt = PyUnicode_GET_SIZE(uformat);
|
|
return {fmt,fmtcnt};
|
|
}
|
|
|
|
typedef PyObject* (*PyUnicode_FromUnicode_t)(
|
|
const Py_UNICODE *u, /* Unicode buffer */
|
|
Py_ssize_t size /* size of buffer */
|
|
);
|
|
PyUnicode_FromUnicode_t PyUnicode_FromUnicode;
|
|
|
|
}
|
|
|
|
bool InsertRenpyHook(){
|
|
wchar_t python[] = L"python2X.dll", libpython[] = L"libpython2.X.dll";
|
|
for (wchar_t* name : { python, libpython })
|
|
{
|
|
wchar_t* pos = wcschr(name, L'X');
|
|
for (int pythonMinorVersion = 0; pythonMinorVersion <= 8; ++pythonMinorVersion)
|
|
{
|
|
*pos = L'0' + pythonMinorVersion;
|
|
if (HMODULE module = GetModuleHandleW(name))
|
|
{
|
|
PyUnicode_FromObject=(PyUnicode_FromObject_t)GetProcAddress(module, "PyUnicodeUCS2_FromObject");
|
|
PyUnicode_FromUnicode=(PyUnicode_FromUnicode_t)GetProcAddress(module, "PyUnicodeUCS2_FromUnicode");
|
|
auto f1=[=](){
|
|
HookParam hp;
|
|
hp.address = (uintptr_t)GetProcAddress(module, "PyUnicodeUCS2_Format");
|
|
if (!hp.address) return false;
|
|
|
|
hp.text_fun = [](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len)
|
|
{
|
|
auto format=(PyObject *)stack->ARG1;
|
|
auto [strptr,strlen]=GetPyUnicodeString(format);
|
|
*data=(uintptr_t)strptr;
|
|
*len=0;
|
|
|
|
if(wcschr(strptr, L'%') == nullptr)
|
|
*len=sizeof(wchar_t)*strlen;
|
|
|
|
};
|
|
hp.type = USING_STRING | CODEC_UTF16 | NO_CONTEXT;
|
|
if(PyUnicode_FromUnicode)
|
|
{
|
|
hp.type|=EMBED_ABLE|EMBED_BEFORE_SIMPLE;
|
|
hp.hook_after=[](hook_stack* stack,void* data, size_t len)
|
|
{
|
|
auto format=(PyObject *)stack->ARG1;
|
|
if(format==NULL)return;
|
|
stack->ARG1=(uintptr_t)PyUnicode_FromUnicode((Py_UNICODE *)data,len/2);
|
|
};
|
|
hookrenpy(module);
|
|
}
|
|
return NewHook(hp, "Ren'py");
|
|
}();
|
|
|
|
#if 0
|
|
auto f2=[=](){
|
|
HookParam hp;
|
|
hp.address = (uintptr_t)GetProcAddress(module, "PyUnicodeUCS2_Concat");
|
|
if (!hp.address) return false;
|
|
hp.text_fun = [](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len)
|
|
{
|
|
auto left=(PyObject *)stack->stack[1];
|
|
auto right=(PyObject *)stack->stack[2];
|
|
|
|
auto [strptr,strlen]=GetPyUnicodeString(right);
|
|
*data=(uintptr_t)strptr;
|
|
*len=sizeof(wchar_t)*strlen;
|
|
};
|
|
hp.filter_fun = [](void* data, size_t* len, HookParam* hp)
|
|
{
|
|
auto str=std::wstring(reinterpret_cast<LPWSTR>(data),*len/2);
|
|
auto filterpath={
|
|
L".rpy",L".rpa",L".py",L".pyc",L".txt",
|
|
L".png",L".jpg",L".bmp",
|
|
L".mp3",L".ogg",
|
|
L".webm",L".mp4",
|
|
L".otf",L".ttf"
|
|
};
|
|
for(auto _ :filterpath)
|
|
if(str.find(_)!=str.npos)
|
|
return false;
|
|
return true;
|
|
};
|
|
hp.type = USING_STRING | CODEC_UTF16;
|
|
//hp.filter_fun = [](void* str, auto, auto, auto) { return *(wchar_t*)str != L'%'; };
|
|
return NewHook(hp, "Ren'py");
|
|
}();
|
|
#else
|
|
auto f2=false;
|
|
#endif
|
|
return f1||f2;
|
|
}
|
|
}
|
|
}
|
|
ConsoleOutput("Ren'py failed: failed to find python2X.dll");
|
|
return false;
|
|
}
|
|
|