恍兮惚兮 6a43cd5b86 pch
2024-05-06 23:31:54 +08:00

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// pchooks.cc
// 8/1/2014 jichi
#include "pchooks.h"
//#include <gdiplus.h>
// 8/1/2014 jichi: Split is not used.
// Although split is specified, USING_SPLIT is not assigned.
// Use LPASTE to convert to wchar_t
// http://bytes.com/topic/c/answers/135834-defining-wide-character-strings-macros
//#define LPASTE(s) L##s
//#define L(s) LPASTE(s)
#define NEW_HOOK(_dll, _fun, _data, _data_ind, _split_off, _split_ind, _type, _len_off) \
{ \
HookParam hp; \
wcsncpy_s(hp.module, _dll, MAX_MODULE_SIZE - 1); \
strncpy_s(hp.function, #_fun, MAX_MODULE_SIZE - 1); \
hp.offset = _data; \
hp.index = _data_ind; \
hp.split = _split_off; \
hp.split_index = _split_ind; \
hp.type = _type | MODULE_OFFSET | FUNCTION_OFFSET; \
hp.length_offset = _len_off; \
NewHook(hp, #_fun); \
}
#define NEW_MODULE_HOOK(_module, _fun, _data, _data_ind, _split_off, _split_ind, _type, _len_off) \
{ \
HookParam hp; \
wchar_t path[MAX_PATH]; \
if (GetModuleFileNameW(_module, path, MAX_PATH)) \
wcsncpy_s(hp.module, wcsrchr(path, L'\\') + 1, MAX_MODULE_SIZE - 1); \
strncpy_s(hp.function, #_fun, MAX_MODULE_SIZE - 1); \
hp.offset = _data; \
hp.index = _data_ind; \
hp.split = _split_off; \
hp.split_index = _split_ind; \
hp.type = _type | MODULE_OFFSET | FUNCTION_OFFSET; \
hp.length_offset = _len_off; \
NewHook(hp, #_fun); \
}
#ifndef _WIN64
enum args {
s_retaddr = 0
, s_arg1 = 4 * 1 // 0x4
, s_arg2 = 4 * 2 // 0x8
, s_arg3 = 4 * 3 // 0xc
, s_arg4 = 4 * 4 // 0x10
, s_arg5 = 4 * 5 // 0x14
, s_arg6 = 4 * 6 // 0x18
, s_arg7 = 4 * 7
};
#else // _WIN32
enum args {
s_retaddr = 0x0,
s_arg1 = -0x20,
s_arg2 = -0x28,
s_arg3 = -0x50,
s_arg4 = -0x58,
s_arg5 = 0x8,
s_arg6 = 0x10,
s_arg7 = 0x18
};
#endif // _WIN64
constexpr short arg_sz = (short)sizeof(void*);
// jichi 7/17/2014: Renamed from InitDefaultHook
void PcHooks::hookGDIFunctions()
{
// int TextHook::InitHook(LPVOID addr, DWORD data, DWORD data_ind, DWORD split_off, DWORD split_ind, WORD type, DWORD len_off)
//
// jichi 9/8/2013: Guessed meaning
// - data(off): 4 * the n-th (base 1) parameter representing the data of the string
// - len_off:
// - the n-th (base 1) parameter representing the length of the string
// - or 1 if is char
// - or 0 if detect on run time
// - type: USING_STRING if len_off != 1 else CODEC_ANSI_BE or CODEC_UTF16
//
// Examples:
// int WINAPI lstrlenA(LPCSTR lpString)
// - data: 4 * 1 = 4, as lpString is the first
// - len_off: 0, as no parameter representing string length
// - type: CODEC_ANSI_BE, since len_off == 1
// BOOL GetTextExtentPoint32(HDC hdc, LPCTSTR lpString, int c, LPSIZE lpSize);
// - data: 4 * 2 = 0x8, as lpString is the second
// - len_off: 3, as nCount is the 3rd parameter
// - type: USING_STRING, since len_off != 1
//
// Note: All functions does not have NO_CONTEXT attribute and will be filtered.
//#define _(Name, ...) \
// hookman[HF_##Name].InitHook(Name, __VA_ARGS__); \
// hookman[HF_##Name].SetHookName(names[HF_##Name]);
// Always use s_arg1 = hDC as split_off
// 7/26/2014 jichi: Why there is no USING_SPLIT type?
// gdi32.dll
NEW_HOOK(L"gdi32.dll", GetTextExtentPoint32A, s_arg2, 0,s_arg1,0, USING_STRING, s_arg3 / arg_sz) // BOOL GetTextExtentPoint32(HDC hdc, LPCTSTR lpString, int c, LPSIZE lpSize);
NEW_HOOK(L"gdi32.dll", GetTextExtentExPointA, s_arg2, 0,s_arg1,0, USING_STRING, s_arg3 / arg_sz) // BOOL GetTextExtentExPoint(HDC hdc, LPCTSTR lpszStr, int cchString, int nMaxExtent, LPINT lpnFit, LPINT alpDx, LPSIZE lpSize);
NEW_HOOK(L"gdi32.dll", GetCharacterPlacementA, s_arg2, 0,s_arg1,0, USING_STRING, s_arg3 / arg_sz) // DWORD GetCharacterPlacement(HDC hdc, LPCTSTR lpString, int nCount, int nMaxExtent, LPGCP_RESULTS lpResults, DWORD dwFlags);
NEW_HOOK(L"gdi32.dll", GetGlyphIndicesA, s_arg2, 0,s_arg1,0, USING_STRING, s_arg3 / arg_sz) // DWORD GetGlyphIndices( HDC hdc, LPCTSTR lpstr, int c, LPWORD pgi, DWORD fl);
NEW_HOOK(L"gdi32.dll", GetGlyphOutlineA, s_arg2, 0,s_arg1,0, CODEC_ANSI_BE, 0) // DWORD GetGlyphOutline(HDC hdc, UINT uChar, UINT uFormat, LPGLYPHMETRICS lpgm, DWORD cbBuffer, LPVOID lpvBuffer, const MAT2 *lpmat2);
NEW_HOOK(L"gdi32.dll", ExtTextOutA, s_arg6, 0,s_arg1,0, USING_STRING, s_arg7 / arg_sz) // BOOL ExtTextOut(HDC hdc, int X, int Y, UINT fuOptions, const RECT *lprc, LPCTSTR lpString, UINT cbCount, const INT *lpDx);
NEW_HOOK(L"gdi32.dll", TextOutA, s_arg4, 0,s_arg1,0, USING_STRING, s_arg5 / arg_sz) // BOOL TextOut(HDC hdc, int nXStart, int nYStart, LPCTSTR lpString, int cchString);
NEW_HOOK(L"gdi32.dll", GetCharABCWidthsA, s_arg2, 0,s_arg1,0, CODEC_ANSI_BE, 0) // BOOL GetCharABCWidths(HDC hdc, UINT uFirstChar, UINT uLastChar, LPABC lpabc);
NEW_HOOK(L"gdi32.dll", GetCharABCWidthsFloatA, s_arg2, 0,s_arg1,0, CODEC_ANSI_BE, 0) // BOOL GetCharABCWidthsFloat(HDC hdc, UINT iFirstChar, UINT iLastChar, LPABCFLOAT lpABCF);
NEW_HOOK(L"gdi32.dll", GetCharWidth32A, s_arg2, 0,s_arg1,0, CODEC_ANSI_BE, 0) // BOOL GetCharWidth32(HDC hdc, UINT iFirstChar, UINT iLastChar, LPINT lpBuffer);
NEW_HOOK(L"gdi32.dll", GetCharWidthFloatA, s_arg2, 0,s_arg1,0, CODEC_ANSI_BE, 0) // BOOL GetCharWidthFloat(HDC hdc, UINT iFirstChar, UINT iLastChar, PFLOAT pxBuffer);
NEW_HOOK(L"gdi32.dll", GetTextExtentPoint32W, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"gdi32.dll", GetTextExtentExPointW, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"gdi32.dll", GetCharacterPlacementW, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"gdi32.dll", GetGlyphIndicesW, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"gdi32.dll", GetGlyphOutlineW, s_arg2, 0,s_arg1,0, CODEC_UTF16, 0)
//ExtTextOutW全是乱码没卵用
//NEW_HOOK(L"gdi32.dll", ExtTextOutW, s_arg6, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg7 / arg_sz)
NEW_HOOK(L"gdi32.dll", TextOutW, s_arg4, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg5 / arg_sz)
NEW_HOOK(L"gdi32.dll", GetCharABCWidthsW, s_arg2, 0,s_arg1,0, CODEC_UTF16, 0)
NEW_HOOK(L"gdi32.dll", GetCharABCWidthsFloatW, s_arg2, 0,s_arg1,0, CODEC_UTF16, 0)
NEW_HOOK(L"gdi32.dll", GetCharWidth32W, s_arg2, 0,s_arg1,0, CODEC_UTF16, 0)
NEW_HOOK(L"gdi32.dll", GetCharWidthFloatW, s_arg2, 0,s_arg1,0, CODEC_UTF16, 0)
// user32.dll
NEW_HOOK(L"user32.dll", DrawTextA, s_arg2, 0,s_arg1,0, USING_STRING, s_arg3 / arg_sz) // int DrawText(HDC hDC, LPCTSTR lpchText, int nCount, LPRECT lpRect, UINT uFormat);
NEW_HOOK(L"user32.dll", DrawTextExA, s_arg2, 0,s_arg1,0, USING_STRING, s_arg3 / arg_sz) // int DrawTextEx(HDC hdc, LPTSTR lpchText,int cchText, LPRECT lprc, UINT dwDTFormat, LPDRAWTEXTPARAMS lpDTParams);NEW_HOOK(L"gdi32.dll", GetTabbedTextExtentA, s_arg2, 0,s_arg1,0, USING_STRING, s_arg3 / arg_sz) // DWORD GetTabbedTextExtent(HDC hDC, LPCTSTR lpString, int nCount, int nTabPositions, const LPINT lpnTabStopPositions);
NEW_HOOK(L"user32.dll", TabbedTextOutA, s_arg4, 0, s_arg1, 0, USING_STRING, s_arg5 / arg_sz) // LONG TabbedTextOut(HDC hDC, int X, int Y, LPCTSTR lpString, int nCount, int nTabPositions, const LPINT lpnTabStopPositions, int nTabOrigin);
NEW_HOOK(L"user32.dll", GetTabbedTextExtentA, s_arg2, 0, s_arg1, 0, USING_STRING, s_arg3 / arg_sz) // DWORD GetTabbedTextExtent(HDC hDC, LPCTSTR lpString, int nCount, int nTabPositions, const LPINT lpnTabStopPositions);
NEW_HOOK(L"user32.dll", DrawTextW, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"user32.dll", DrawTextExW, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"user32.dll", TabbedTextOutW, s_arg4, 0, s_arg1, 0, CODEC_UTF16|USING_STRING, s_arg5 / arg_sz)
NEW_HOOK(L"user32.dll", GetTabbedTextExtentW, s_arg2, 0, s_arg1, 0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
}
// jichi 6/18/2015: GDI+ functions
void PcHooks::hookGDIPlusFunctions()
{
HMODULE hModule = ::GetModuleHandleA("gdiplus.dll");
if (!hModule) return;
// gdiplus.dll
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms534053%28v=vs.85%29.aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms534052%28v=vs.85%29.aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms534039%28v=vs.85%29.aspx
// Use arg1 pionter to GpGraphics as split
//using namespace Gdiplus::DllExports;
// Use arg5 style as split
NEW_MODULE_HOOK(hModule, GdipAddPathString, s_arg2, 0,s_arg5,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz) // GpStatus WINGDIPAPI GdipAddPathString(GpPath *path, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFontFamily *family, INT style, REAL emSize, GDIPCONST RectF *layoutRect, GDIPCONST GpStringFormat *format)
NEW_MODULE_HOOK(hModule, GdipAddPathStringI, s_arg2, 0,s_arg5,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz) // GpStatus WINGDIPAPI GdipAddPathStringI(GpPath *path, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFontFamily *family, INT style, REAL emSize, GDIPCONST Rect *layoutRect, GDIPCONST GpStringFormat *format)
NEW_MODULE_HOOK(hModule, GdipMeasureCharacterRanges, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz) // GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics *graphics, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font, GDIPCONST RectF &layoutRect, GDIPCONST GpStringFormat *stringFormat, INT regionCount, GpRegion **regions)
NEW_MODULE_HOOK(hModule, GdipDrawString, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz) // GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font, GDIPCONST RectF *layoutRect, GDIPCONST GpStringFormat *stringFormat, GDIPCONST GpBrush *brush);
NEW_MODULE_HOOK(hModule, GdipMeasureString, s_arg2, 0,s_arg1,0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz) // GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font, GDIPCONST RectF *layoutRect, GDIPCONST GpStringFormat *stringFormat, RectF *boundingBox, INT *codepointsFitted, INT *linesFilled )
NEW_MODULE_HOOK(hModule, GdipDrawDriverString, s_arg1, 0,s_arg3,0, CODEC_UTF16|USING_STRING, s_arg2 / arg_sz)
NEW_MODULE_HOOK(hModule, GdipMeasureDriverString, s_arg1, 0,s_arg3,0, CODEC_UTF16|USING_STRING, s_arg2 / arg_sz)
}
bool PcHooks::hookD3DXFunctions(HMODULE d3dxModule)
{
if (GetProcAddress(d3dxModule, "D3DXCreateTextA"))
{
NEW_MODULE_HOOK(d3dxModule, D3DXCreateTextA, s_arg3, 0, 0, 0, USING_STRING, 0)
NEW_MODULE_HOOK(d3dxModule, D3DXCreateTextW, s_arg3, 0, 0, 0, USING_STRING|CODEC_UTF16, 0)
}
// Second call in D3DX(10)CreateFontIndirect is D3DXFont constructor, which sets up the vtable
// Call it to set up the vtable then extract the function addresses from that vtable
uintptr_t createFont = (uintptr_t)GetProcAddress(d3dxModule, "D3DXCreateFontIndirectA");
if (!createFont) createFont = (uintptr_t)GetProcAddress(d3dxModule, "D3DX10CreateFontIndirectA");
if (!createFont) {
ConsoleOutput("D3DX failed: couldn't find entry function");
return false;
}
struct D3DXFont
{
uintptr_t(*vtable)[20];
DWORD data[2000];
} font;
for (int i = 0, calls = 0; i < 100; ++i)
{
if (*(BYTE*)(createFont + i) == 0xe8) ++calls;
if (calls == 2)
{
union
{
void(D3DXFont::*ctor)();
uintptr_t addr;
} fuckTheTypeSystem;
fuckTheTypeSystem.addr = *(DWORD*)(createFont + i + 1) + createFont + i + 5;
(font.*(fuckTheTypeSystem.ctor))();
HookParam hp;
hp.address = (*font.vtable)[14];
hp.offset = s_arg3;
hp.length_offset = s_arg4 / arg_sz;
hp.type = USING_STRING;
auto suc=NewHook(hp, "ID3DXFont::DrawTextA");
hp.address = (*font.vtable)[15];
hp.type = USING_STRING | CODEC_UTF16;
suc|=NewHook(hp, "ID3DXFont::DrawTextW");
return suc;
}
}
ConsoleOutput("D3DX failed: couldn't find vtable");
return false;
}
// jichi 10/2/2013
// Note: All functions does not have NO_CONTEXT attribute and will be filtered.
void PcHooks::hookOtherPcFunctions()
{
// int TextHook::InitHook(LPVOID addr, DWORD data, DWORD data_ind, DWORD split_off, DWORD split_ind, WORD type, DWORD len_off)
// http://msdn.microsoft.com/en-us/library/78zh94ax.aspx
// int WINAPI lstrlen(LPCTSTR lpString);
// Lstr functions usually extracts rubbish, and might crash certain games like 「Magical Marriage Lunatics!!」
// Needed by Gift
// Use arg1 address for both split and data
NEW_HOOK(L"kernel32.dll", lstrlenA, s_arg1, 0,s_arg1,0, USING_STRING, 0) // 9/8/2013 jichi: int WINAPI lstrlen(LPCTSTR lpString);
NEW_HOOK(L"kernel32.dll", lstrcpyA, s_arg2, 0,0,0, USING_STRING, 0)
NEW_HOOK(L"kernel32.dll", lstrcpynA, s_arg2, 0,0,0, USING_STRING, 0)
NEW_HOOK(L"kernel32.dll", lstrlenW, s_arg1, 0,s_arg1,0, CODEC_UTF16|USING_STRING, 0) // 9/8/2013 jichi: add lstrlen
NEW_HOOK(L"kernel32.dll", lstrcpyW, s_arg2, 0,0,0, CODEC_UTF16|USING_STRING, 0)
NEW_HOOK(L"kernel32.dll", lstrcpynW, s_arg2, 0,0,0, CODEC_UTF16|USING_STRING, 0)
// size_t strlen(const char *str);
// size_t strlen_l(const char *str, _locale_t locale);
// size_t wcslen(const wchar_t *str);
// size_t wcslen_l(const wchar_t *str, _locale_t locale);
// size_t _mbslen(const unsigned char *str);
// size_t _mbslen_l(const unsigned char *str, _locale_t locale);
// size_t _mbstrlen(const char *str);
// size_t _mbstrlen_l(const char *str, _locale_t locale);
// http://msdn.microsoft.com/en-us/library/ex0hs2ad.aspx
// Needed by 娘姉妹
//
// <tchar.h>
// char *_strinc(const char *current, _locale_t locale);
// wchar_t *_wcsinc(const wchar_t *current, _locale_t locale);
// <mbstring.h>
// unsigned char *_mbsinc(const unsigned char *current);
// unsigned char *_mbsinc_l(const unsigned char *current, _locale_t locale);
//_(L"_strinc", _strinc, 4, 0,4,0, USING_STRING, 0) // 12/13/2013 jichi
//_(L"_wcsinc", _wcsinc, 4, 0,4,0, CODEC_UTF16|USING_STRING, 0)
// 12/1/2013 jichi:
// AlterEgo
// http://tieba.baidu.com/p/2736475133
// http://www.hongfire.com/forum/showthread.php/36807-AGTH-text-extraction-tool-for-games-translation/page355
//
// MultiByteToWideChar
// http://blgames.proboards.com/thread/265
//
// WideCharToMultiByte
// http://www.hongfire.com/forum/showthread.php/36807-AGTH-text-extraction-tool-for-games-translation/page156
//
// int MultiByteToWideChar(
// _In_ UINT CodePage,
// _In_ DWORD dwFlags,
// _In_ LPCSTR lpMultiByteStr, // hook here
// _In_ int cbMultiByte,
// _Out_opt_ LPWSTR lpWideCharStr,
// _In_ int cchWideChar
// );
// int WideCharToMultiByte(
// _In_ UINT CodePage,
// _In_ DWORD dwFlags,
// _In_ LPCWSTR lpWideCharStr,
// _In_ int cchWideChar,
// _Out_opt_ LPSTR lpMultiByteStr,
// _In_ int cbMultiByte,
// _In_opt_ LPCSTR lpDefaultChar,
// _Out_opt_ LPBOOL lpUsedDefaultChar
// );
// 2/29/2020 Artikash: TODO: Sort out what to do for string comparison functions
// http://sakuradite.com/topic/159
NEW_HOOK(L"kernel32.dll", MultiByteToWideChar, s_arg3, 0,4,0, USING_STRING, s_arg4 / arg_sz)
NEW_HOOK(L"kernel32.dll", WideCharToMultiByte, s_arg3, 0,4,0, CODEC_UTF16|USING_STRING, s_arg4 / arg_sz)
NEW_HOOK(L"kernel32.dll", GetStringTypeA, s_arg3, 0, 0, 0, USING_STRING, s_arg4 / arg_sz)
NEW_HOOK(L"kernel32.dll", GetStringTypeExA, s_arg3, 0, 0, 0, USING_STRING, s_arg4 / arg_sz)
NEW_HOOK(L"kernel32.dll", FoldStringA, s_arg2, 0, 0, 0, USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"kernel32.dll", GetStringTypeW, s_arg2, 0, 0, 0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"kernel32.dll", GetStringTypeExW, s_arg3, 0, 0, 0, CODEC_UTF16|USING_STRING, s_arg4 / arg_sz)
NEW_HOOK(L"kernel32.dll", FoldStringW, s_arg2, 0, 0, 0, CODEC_UTF16|USING_STRING, s_arg3 / arg_sz)
NEW_HOOK(L"user32.dll", CharNextA, s_arg1, 0,0,0, DATA_INDIRECT, 0) // LPTSTR WINAPI CharNext(_In_ LPCTSTR lpsz);
NEW_HOOK(L"user32.dll", CharNextW, s_arg1, 0,0,0, CODEC_UTF16|DATA_INDIRECT, 0)
NEW_HOOK(L"user32.dll", CharPrevA, s_arg1, 0,0,0, DATA_INDIRECT, 0) // LPTSTR WINAPI CharPrev(_In_ LPCTSTR lpszStart, _In_ LPCTSTR lpszCurrent);
NEW_HOOK(L"user32.dll", CharPrevW, s_arg1, 0,0,0, CODEC_UTF16|DATA_INDIRECT, 0)
NEW_HOOK(L"user32.dll", CharNextExA, s_arg2, 0,0,0, DATA_INDIRECT, 0) // LPSTR WINAPI CharNextExA(_In_ WORD CodePage, _In_ LPCSTR lpCurrentChar, _In_ DWORD dwFlags);
NEW_HOOK(L"user32.dll", CharPrevExA, s_arg2, 0,0,0, CODEC_UTF16|DATA_INDIRECT, 0)
//トキノ戦華
NEW_HOOK(L"user32.dll", wvsprintfA, s_arg2, 0,0,0, USING_STRING, 0)
NEW_HOOK(L"user32.dll", wvsprintfW, s_arg2, 0,0,0, CODEC_UTF16|USING_STRING, 0)
if (HMODULE module = GetModuleHandleW(L"OLEAUT32.dll"))
{
NEW_MODULE_HOOK(module, SysAllocString, s_arg1, 0, 0, 0, CODEC_UTF16|USING_STRING, 0)
NEW_MODULE_HOOK(module, SysAllocStringLen, s_arg1, 0, 0, 0, CODEC_UTF16|USING_STRING|KNOWN_UNSTABLE, s_arg2 / arg_sz)
}
}
// EOF