You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 lines
2.6 KiB
128 lines
2.6 KiB
/*++
|
|
|
|
Copyright (c) 2000 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
BoeingFix.cpp
|
|
|
|
Abstract:
|
|
|
|
This modified version of kernel32!CreateFile* adds the
|
|
FILE_FLAG_NO_BUFFERING flag if the app is openning a specific name that is
|
|
a UNIX pipe advertised as a file.
|
|
|
|
Notes:
|
|
|
|
This is an app specific shim.
|
|
|
|
History:
|
|
|
|
10/16/2000 garretb Created
|
|
|
|
--*/
|
|
|
|
#include "precomp.h"
|
|
|
|
IMPLEMENT_SHIM_BEGIN(BoeingFix)
|
|
#include "ShimHookMacro.h"
|
|
|
|
APIHOOK_ENUM_BEGIN
|
|
APIHOOK_ENUM_ENTRY(CreateFileA)
|
|
APIHOOK_ENUM_ENTRY(CreateFileW)
|
|
APIHOOK_ENUM_END
|
|
|
|
static const WCHAR g_lpszPipeName[] = L"msg_in\\message.pip";
|
|
static const int g_lpszPipeNameLen = (sizeof(g_lpszPipeName) / sizeof(g_lpszPipeName[0])) - sizeof(g_lpszPipeName[0]);
|
|
|
|
|
|
// Return FILE_FLAG_NO_BUFFERING if this filename is the special pipe.
|
|
DWORD NoBufferFlag(const CString & csFileName)
|
|
{
|
|
if (csFileName.GetLength() >= g_lpszPipeNameLen)
|
|
{
|
|
CString csRight;
|
|
csFileName.Right(g_lpszPipeNameLen, csRight);
|
|
if (csRight.CompareNoCase(g_lpszPipeName))
|
|
{
|
|
return FILE_FLAG_NO_BUFFERING;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*++
|
|
|
|
Conditionally add FILE_FLAG_NO_BUFFERING
|
|
|
|
--*/
|
|
|
|
HANDLE
|
|
APIHOOK(CreateFileA)(
|
|
LPSTR lpFileName,
|
|
DWORD dwDesiredAccess,
|
|
DWORD dwShareMode,
|
|
LPSECURITY_ATTRIBUTES lpSecurityAttributes,
|
|
DWORD dwCreationDisposition,
|
|
DWORD dwFlagsAndAttributes,
|
|
HANDLE hTemplateFile
|
|
)
|
|
{
|
|
CString csFileName(lpFileName);
|
|
dwFlagsAndAttributes |= NoBufferFlag(csFileName);
|
|
|
|
return ORIGINAL_API(CreateFileA)(
|
|
lpFileName,
|
|
dwDesiredAccess,
|
|
dwShareMode,
|
|
lpSecurityAttributes,
|
|
dwCreationDisposition,
|
|
dwFlagsAndAttributes,
|
|
hTemplateFile);
|
|
}
|
|
|
|
/*++
|
|
|
|
Conditionally add FILE_FLAG_NO_BUFFERING
|
|
|
|
--*/
|
|
|
|
HANDLE
|
|
APIHOOK(CreateFileW)(
|
|
LPWSTR lpFileName,
|
|
DWORD dwDesiredAccess,
|
|
DWORD dwShareMode,
|
|
LPSECURITY_ATTRIBUTES lpSecurityAttributes,
|
|
DWORD dwCreationDisposition,
|
|
DWORD dwFlagsAndAttributes,
|
|
HANDLE hTemplateFile
|
|
)
|
|
{
|
|
CString csFileName(lpFileName);
|
|
dwFlagsAndAttributes |= NoBufferFlag(csFileName);
|
|
|
|
return ORIGINAL_API(CreateFileW)(
|
|
lpFileName,
|
|
dwDesiredAccess,
|
|
dwShareMode,
|
|
lpSecurityAttributes,
|
|
dwCreationDisposition,
|
|
dwFlagsAndAttributes,
|
|
hTemplateFile);
|
|
}
|
|
|
|
/*++
|
|
|
|
Register hooked functions
|
|
|
|
--*/
|
|
|
|
HOOK_BEGIN
|
|
APIHOOK_ENTRY(KERNEL32.DLL, CreateFileA)
|
|
APIHOOK_ENTRY(KERNEL32.DLL, CreateFileW)
|
|
HOOK_END
|
|
|
|
IMPLEMENT_SHIM_END
|
|
|