109 lines
2.3 KiB
C++
109 lines
2.3 KiB
C++
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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TrimVersionInfo.cpp
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Abstract:
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This shim trims the blanks off of the end the version info string.
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Notes:
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This is a general shim.
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History:
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08/01/2001 mnikkel, astritz Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(TrimVersionInfo)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(VerQueryValueA)
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APIHOOK_ENUM_END
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/*++
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Return the product version with blanks trimmed from end.
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--*/
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BOOL
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APIHOOK(VerQueryValueA)(
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const LPVOID pBlock,
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LPSTR lpSubBlock,
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LPVOID *lplpBuffer,
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PUINT puLen
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)
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{
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UINT nLen;
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BOOL bRet = ORIGINAL_API(VerQueryValueA)(
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pBlock,
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lpSubBlock,
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lplpBuffer,
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puLen);
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if (bRet)
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{
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CSTRING_TRY
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{
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CString csSubBlock(lpSubBlock);
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if (csSubBlock.Find(L"ProductVersion") != -1 ||
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csSubBlock.Find(L"FileVersion") != -1)
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{
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int nLoc = 0;
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DPFN(eDbgLevelError, "[VerQueryValueA] Asking for Product or File Version, trimming blanks");
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DPFN(eDbgLevelSpew, "[VerQueryValueA] Version info is <%s>", *lplpBuffer);
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CString csBuffer((char *)*lplpBuffer);
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//
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// Search for first blank
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//
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nLoc = csBuffer.Find(L" ");
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if (nLoc != -1)
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{
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// if a blank is found then truncate string to that point
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csBuffer.Truncate(nLoc);
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csBuffer.CopyAnsiChars((char *)*lplpBuffer, nLoc+1);
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if (puLen)
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{
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*puLen = nLoc;
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DPFN(eDbgLevelSpew, "[VerQueryValueA] Version info Length = %d.", *puLen);
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}
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}
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DPFN(eDbgLevelSpew, "[VerQueryValueA] Version info after trim is <%s>.", *lplpBuffer);
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}
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}
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CSTRING_CATCH
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{
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/* do nothing */
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}
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}
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return bRet;
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY(VERSION.DLL, VerQueryValueA)
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HOOK_END
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IMPLEMENT_SHIM_END |