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643 lines
14 KiB
643 lines
14 KiB
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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RemoveSpacesAfterSlashFromFilenames.cpp
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Abstract:
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This shims all of the listed apis and simply searches a filename var for
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"\ " and replaces it with "\"
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Notes:
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This is a general purpose shim.
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History:
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12/15/1999 markder Created
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05/16/2000 robkenny Check for memory alloc failure.
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Moved MassagePath routines to here.
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--*/
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#include "ShimHook.h"
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enum
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{
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APIHOOK_CreateFileA = USERAPIHOOKSTART,
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APIHOOK_CreateFileW,
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APIHOOK_GetFileAttributesA,
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APIHOOK_GetFileAttributesW,
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APIHOOK_GetFileAttributesExA,
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APIHOOK_GetFileAttributesExW,
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APIHOOK_DeleteFileA,
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APIHOOK_DeleteFileW,
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APIHOOK_RemoveDirectoryA,
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APIHOOK_RemoveDirectoryW,
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APIHOOK_MoveFileA,
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APIHOOK_MoveFileW,
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APIHOOK_MoveFileExA,
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APIHOOK_MoveFileExW,
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APIHOOK_Count
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};
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/*++
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Function Description:
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Removes all "\ " and replaces with "\".
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Arguments:
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IN pszOldPath - String to scan
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OUT pszNewPath - Resultant string
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Return Value:
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None
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History:
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01/10/2000 linstev Updated
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--*/
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VOID
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MassagePathA(
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LPCSTR pszOldPath,
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LPSTR pszNewPath
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)
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{
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PCHAR pszTempBuffer;
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PCHAR pszPointer;
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LONG nOldPos, nNewPos, nOldStringLen;
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BOOL bAtSeparator = TRUE;
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nOldStringLen = strlen(pszOldPath);
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pszTempBuffer = (PCHAR) LocalAlloc(LPTR, nOldStringLen + 1);
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if (pszTempBuffer == NULL)
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{
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// Alloc failed, do nothing.
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strcpy(pszNewPath, pszOldPath);
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return;
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}
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pszPointer = pszTempBuffer;
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nNewPos = nOldStringLen;
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for (nOldPos = nOldStringLen - 1; nOldPos >= 0; nOldPos--)
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{
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if (pszOldPath[ nOldPos ] == '\\')
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{
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bAtSeparator = TRUE;
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}
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else
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{
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if (pszOldPath[nOldPos] == ' ' && bAtSeparator)
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{
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DPF(eDbgLevelError, "[MassagePathA] Found \"\\ \" in filename. Removing space.\n");
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continue;
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}
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else
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{
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bAtSeparator = FALSE;
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}
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}
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pszPointer[--nNewPos] = pszOldPath[nOldPos];
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}
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pszPointer += nNewPos;
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strcpy(pszNewPath, pszPointer);
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LocalFree(pszTempBuffer);
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}
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/*++
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Function Description:
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Removes all L"\ " and replaces with L"\".
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Arguments:
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IN pwszOldPath - String to scan
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OUT pwszNewPath - Resultant string
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Return Value:
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None
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History:
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01/10/2000 linstev Updated
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--*/
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VOID
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MassagePathW(
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LPCWSTR pwszOldPath,
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LPWSTR pwszNewPath
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)
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{
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PWCHAR pwszTempBuffer;
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PWCHAR pwszPointer;
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LONG nOldPos, nNewPos, nOldStringLen;
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BOOL bAtSeparator = TRUE;
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nOldStringLen = wcslen(pwszOldPath);
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pwszTempBuffer = (PWCHAR) LocalAlloc(LPTR, (nOldStringLen + 1) * sizeof(WCHAR));
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if (pwszTempBuffer == NULL)
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{
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// Alloc failed, do nothing.
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wcscpy(pwszNewPath, pwszOldPath);
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return;
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}
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pwszPointer = pwszTempBuffer;
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nNewPos = nOldStringLen;
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for (nOldPos = nOldStringLen - 1; nOldPos >= 0; nOldPos--)
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{
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if (pwszOldPath[ nOldPos ] == L'\\')
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{
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bAtSeparator = TRUE;
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}
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else
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{
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if (pwszOldPath[nOldPos] == L' ' && bAtSeparator)
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{
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DPF(eDbgLevelError, "[MassagePathW] Found \"\\ \" in filename. Removing space.\n");
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continue;
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}
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else
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{
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bAtSeparator = FALSE;
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}
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}
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pwszPointer[--nNewPos] = pwszOldPath[nOldPos];
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}
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pwszPointer += nNewPos;
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wcscpy(pwszNewPath, pwszPointer);
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LocalFree(pwszTempBuffer);
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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HANDLE
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APIHook_CreateFileA(
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LPCSTR lpFileName,
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DWORD dwDesiredAccess,
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DWORD dwShareMode,
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LPSECURITY_ATTRIBUTES lpSecurityAttributes,
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DWORD dwCreationDisposition,
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DWORD dwFlagsAndAttributes,
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HANDLE hTemplateFile
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)
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{
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LPSTR lpNewFileName = NULL;
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HANDLE hResult = NULL;
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lpNewFileName = (LPSTR) malloc(strlen(lpFileName) + 1);
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if (lpNewFileName != NULL)
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{
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MassagePathA(lpFileName, lpNewFileName);
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hResult = LOOKUP_APIHOOK(CreateFileA)(
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lpNewFileName,
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dwDesiredAccess,
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dwShareMode,
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lpSecurityAttributes,
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dwCreationDisposition,
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dwFlagsAndAttributes,
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hTemplateFile);
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}
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free(lpNewFileName);
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return hResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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HANDLE
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APIHook_CreateFileW(
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LPCWSTR lpFileName,
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DWORD dwDesiredAccess,
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DWORD dwShareMode,
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LPSECURITY_ATTRIBUTES lpSecurityAttributes,
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DWORD dwCreationDisposition,
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DWORD dwFlagsAndAttributes,
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HANDLE hTemplateFile
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)
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{
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LPWSTR lpNewFileName = NULL;
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HANDLE hResult = NULL;
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lpNewFileName = (LPWSTR) malloc( (wcslen(lpFileName) + 1) * sizeof(WCHAR));
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if (lpNewFileName != NULL)
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{
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MassagePathW(lpFileName, lpNewFileName);
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hResult = LOOKUP_APIHOOK(CreateFileW)(
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lpNewFileName,
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dwDesiredAccess,
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dwShareMode,
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lpSecurityAttributes,
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dwCreationDisposition,
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dwFlagsAndAttributes,
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hTemplateFile);
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}
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free(lpNewFileName);
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return hResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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DWORD
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APIHook_GetFileAttributesA(LPCSTR lpFileName)
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{
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LPSTR lpNewFileName = NULL;
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DWORD dwResult = -1;
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lpNewFileName = (LPSTR) malloc(strlen(lpFileName) + 1);
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if (lpNewFileName != NULL)
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{
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MassagePathA(lpFileName, lpNewFileName);
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dwResult = LOOKUP_APIHOOK(GetFileAttributesA)(lpNewFileName);
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}
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free(lpNewFileName);
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return dwResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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DWORD
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APIHook_GetFileAttributesW(LPCWSTR lpFileName)
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{
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LPWSTR lpNewFileName = NULL;
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DWORD dwResult = -1;
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lpNewFileName = (LPWSTR) malloc( (wcslen(lpFileName) + 1) * sizeof(WCHAR));
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if (lpNewFileName != NULL)
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{
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MassagePathW(lpFileName, lpNewFileName);
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dwResult = LOOKUP_APIHOOK(GetFileAttributesW)(lpNewFileName);
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}
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free(lpNewFileName);
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return dwResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_GetFileAttributesExA(
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LPCSTR lpFileName,
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GET_FILEEX_INFO_LEVELS fInfoLevelId,
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LPVOID lpFileInformation
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)
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{
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LPSTR lpNewFileName = NULL;
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BOOL bResult = FALSE;
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lpNewFileName = (LPSTR)malloc(strlen(lpFileName) + 1);
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if (lpNewFileName != NULL)
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{
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MassagePathA(lpFileName, lpNewFileName);
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bResult = LOOKUP_APIHOOK(GetFileAttributesExA)(
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lpNewFileName,
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fInfoLevelId,
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lpFileInformation);
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}
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free( lpNewFileName );
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_GetFileAttributesExW(
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LPCWSTR lpFileName,
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GET_FILEEX_INFO_LEVELS fInfoLevelId,
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LPVOID lpFileInformation
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)
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{
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LPWSTR lpNewFileName = NULL;
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BOOL bResult = FALSE;
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lpNewFileName = (LPWSTR) malloc( (wcslen(lpFileName) + 1) * sizeof(WCHAR));
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if (lpNewFileName != NULL)
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{
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MassagePathW(lpFileName, lpNewFileName);
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bResult = LOOKUP_APIHOOK(GetFileAttributesExW)(
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lpNewFileName,
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fInfoLevelId,
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lpFileInformation);
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}
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free(lpNewFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_DeleteFileA(LPCSTR lpFileName)
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{
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LPSTR lpNewFileName = NULL;
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BOOL bResult = FALSE;
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lpNewFileName = (LPSTR) malloc(strlen(lpFileName) + 1);
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if (lpNewFileName != NULL)
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{
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MassagePathA(lpFileName, lpNewFileName);
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bResult = LOOKUP_APIHOOK(DeleteFileA)(lpNewFileName);
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}
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free(lpNewFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_DeleteFileW(LPCWSTR lpFileName)
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{
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LPWSTR lpNewFileName = NULL;
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BOOL bResult = FALSE;
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lpNewFileName = (LPWSTR) malloc((wcslen(lpFileName) + 1) * sizeof(WCHAR));
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if (lpNewFileName != NULL)
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{
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MassagePathW(lpFileName, lpNewFileName);
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bResult = LOOKUP_APIHOOK(DeleteFileW)(lpNewFileName);
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}
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free(lpNewFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_RemoveDirectoryA(LPCSTR lpFileName)
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{
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LPSTR lpNewFileName = NULL;
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BOOL bResult = FALSE;
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lpNewFileName = (LPSTR)malloc( strlen( lpFileName ) + 1);
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if (lpNewFileName != NULL)
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{
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MassagePathA(lpFileName, lpNewFileName);
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bResult = LOOKUP_APIHOOK(RemoveDirectoryA)(lpNewFileName);
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}
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free(lpNewFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_RemoveDirectoryW(LPCWSTR lpFileName)
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{
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LPWSTR lpNewFileName = NULL;
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BOOL bResult = FALSE;
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lpNewFileName = (LPWSTR)malloc( (wcslen(lpFileName) + 1) * sizeof(WCHAR));
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if (lpNewFileName != NULL)
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{
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MassagePathW(lpFileName, lpNewFileName);
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bResult = LOOKUP_APIHOOK(RemoveDirectoryW)(lpNewFileName);
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}
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free(lpNewFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_MoveFileA(
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LPCSTR lpExistingFileName,
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LPCSTR lpNewFileName
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)
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{
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LPSTR lpNewNewFileName = NULL;
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LPSTR lpNewExistingFileName = NULL;
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BOOL bResult = FALSE;
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lpNewNewFileName = (LPSTR) malloc( strlen(lpNewFileName) + 1);
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if (lpNewNewFileName != NULL)
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{
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lpNewExistingFileName = (LPSTR) malloc( strlen(lpExistingFileName) + 1);
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if (lpNewNewFileName != NULL)
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{
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MassagePathA(lpNewFileName, lpNewNewFileName);
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MassagePathA(lpExistingFileName, lpNewExistingFileName);
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bResult = LOOKUP_APIHOOK(MoveFileA)(
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lpNewNewFileName,
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lpNewExistingFileName);
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}
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}
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free(lpNewNewFileName);
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free(lpNewExistingFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_MoveFileW(
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LPCWSTR lpExistingFileName,
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LPCWSTR lpNewFileName
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)
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{
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LPWSTR lpNewNewFileName = NULL;
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LPWSTR lpNewExistingFileName = NULL;
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BOOL bResult = FALSE;
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lpNewNewFileName = (LPWSTR) malloc((wcslen(lpNewFileName) + 1) * sizeof(WCHAR));
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if (lpNewNewFileName != NULL)
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{
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lpNewExistingFileName = (LPWSTR) malloc((wcslen(lpExistingFileName) + 1) * sizeof(WCHAR));
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if (lpNewExistingFileName != NULL)
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{
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MassagePathW(lpNewFileName, lpNewNewFileName);
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MassagePathW(lpExistingFileName, lpNewExistingFileName);
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bResult = LOOKUP_APIHOOK(MoveFileW)(
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lpNewNewFileName,
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lpNewExistingFileName);
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}
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}
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free(lpNewNewFileName);
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free(lpNewExistingFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_MoveFileExA(
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LPCSTR lpExistingFileName,
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LPCSTR lpNewFileName,
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DWORD dwFlags
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)
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{
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LPSTR lpNewNewFileName = NULL;
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LPSTR lpNewExistingFileName = NULL;
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BOOL bResult = FALSE;
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lpNewNewFileName = (LPSTR)malloc( strlen(lpNewFileName) + 1);
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if (lpNewNewFileName != NULL)
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{
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lpNewExistingFileName = (LPSTR)malloc( strlen(lpExistingFileName) + 1);
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if (lpNewExistingFileName != NULL)
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{
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MassagePathA(lpNewFileName, lpNewNewFileName);
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MassagePathA(lpExistingFileName, lpNewExistingFileName);
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bResult = LOOKUP_APIHOOK(MoveFileExA)(
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lpNewNewFileName,
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lpNewExistingFileName,
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dwFlags);
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}
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}
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free(lpNewNewFileName);
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free(lpNewExistingFileName);
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return bResult;
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}
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/*++
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This stub searches pathnames and changes "\ " to "\" prior to OEM call
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--*/
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BOOL
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APIHook_MoveFileExW(
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LPCWSTR lpExistingFileName,
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LPCWSTR lpNewFileName,
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DWORD dwFlags
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)
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{
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LPWSTR lpNewNewFileName = NULL;
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LPWSTR lpNewExistingFileName = NULL;
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BOOL bResult = FALSE;
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lpNewNewFileName = (LPWSTR) malloc( (wcslen(lpNewFileName) + 1) * sizeof(WCHAR));
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if (lpNewNewFileName != NULL)
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{
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lpNewExistingFileName = (LPWSTR) malloc((wcslen(lpExistingFileName) + 1) * sizeof(WCHAR));
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if (lpNewExistingFileName != NULL)
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{
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MassagePathW(lpNewFileName, lpNewNewFileName);
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MassagePathW(lpExistingFileName, lpNewExistingFileName);
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bResult = LOOKUP_APIHOOK(MoveFileExW)(
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lpNewNewFileName,
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lpNewExistingFileName,
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dwFlags);
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}
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}
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free(lpNewNewFileName);
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free(lpNewExistingFileName);
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return bResult;
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}
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/*++
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Register hooked functions
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--*/
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VOID
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InitializeHooks(DWORD fdwReason)
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{
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if (fdwReason != DLL_PROCESS_ATTACH) return;
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INIT_HOOKS(APIHOOK_Count);
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DECLARE_APIHOOK(KERNEL32.DLL, CreateFileA);
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DECLARE_APIHOOK(KERNEL32.DLL, CreateFileW);
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DECLARE_APIHOOK(KERNEL32.DLL, GetFileAttributesA);
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|
DECLARE_APIHOOK(KERNEL32.DLL, GetFileAttributesW);
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|
DECLARE_APIHOOK(KERNEL32.DLL, GetFileAttributesExA);
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DECLARE_APIHOOK(KERNEL32.DLL, GetFileAttributesExW);
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|
DECLARE_APIHOOK(KERNEL32.DLL, DeleteFileA);
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|
DECLARE_APIHOOK(KERNEL32.DLL, DeleteFileW);
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|
DECLARE_APIHOOK(KERNEL32.DLL, RemoveDirectoryA);
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|
DECLARE_APIHOOK(KERNEL32.DLL, RemoveDirectoryW);
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|
DECLARE_APIHOOK(KERNEL32.DLL, MoveFileA);
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|
DECLARE_APIHOOK(KERNEL32.DLL, MoveFileW);
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|
DECLARE_APIHOOK(KERNEL32.DLL, MoveFileExA);
|
|
DECLARE_APIHOOK(KERNEL32.DLL, MoveFileExW);
|
|
}
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|
|
|
IMPLEMENT_SHIM_END
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#include "ShimHookMacro.h"
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