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