98 lines
1.8 KiB
C++
98 lines
1.8 KiB
C++
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/*++
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Copyright (c) 2000-2001 Microsoft Corporation
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Module Name:
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HandleDBCSUserName2.cpp
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Abstract:
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Disable DBCS handling for CharNextA if the string is DBCS user profile
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for non-DBCS enabled application support.
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More info:
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Return next byte address instead of next character address.
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History:
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05/01/2001 geoffguo Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(HandleDBCSUserName2)
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#include "ShimHookMacro.h"
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#define MAX_USERNAME 256
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//
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// Add APIs that you wish to hook to this macro construction.
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//
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(CharNextA)
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APIHOOK_ENUM_END
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//
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// Checking if the string is user profile path
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//
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BOOL IsUserProfilePath(
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LPCSTR lpCurrentChar)
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{
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LPSTR lpChar = (LPSTR)lpCurrentChar;
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BOOL bRet = FALSE;
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char szBuf[10];
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while (lpChar != NULL && *lpChar != (char)NULL
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&& (lpCurrentChar - lpChar) < MAX_USERNAME+25) {
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//to find ":\Documents and Settings" (short name is :\DOCUME~1) in path
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if (*lpChar == (char) ':') {
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lstrcpynA (szBuf, lpChar, 9);
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szBuf[8] = (char) NULL;
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if (lstrcmpiA (szBuf, ":\\DOCUME") == 0) {
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bRet = TRUE;
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break;
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}
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}
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lpChar--;
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}
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return bRet;
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}
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//
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// Disable DBCS handling for CharNextA
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//
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LPSTR
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APIHOOK(CharNextA)(
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LPCSTR lpCurrentChar)
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{
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if (lpCurrentChar != NULL && *lpCurrentChar != (char)NULL) {
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// Disable DBCS support for DBCS username in user profile path
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if (IsDBCSLeadByte(*lpCurrentChar) && !IsUserProfilePath(lpCurrentChar))
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lpCurrentChar++;
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lpCurrentChar++;
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}
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return (LPSTR)lpCurrentChar;
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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(USER32.DLL, CharNextA)
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HOOK_END
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IMPLEMENT_SHIM_END
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