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OS/2 Shareware BBS: 10 Tools
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kernex32.zip
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32bits
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ext2-os2
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skeleton
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ses
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sec32_OPEN_PRE.c
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C/C++ Source or Header
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1997-03-16
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2KB
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65 lines
//
// $Header: d:\\32bits\\ext2-os2\\skeleton\\ses\\rcs\\sec32_OPEN_PRE.c,v 1.2 1997/03/16 13:13:43 Willm Exp $
//
// 32 bits OS/2 device driver and IFS support. Provides 32 bits kernel
// services (DevHelp) and utility functions to 32 bits OS/2 ring 0 code
// (device drivers and installable file system drivers).
// Copyright (C) 1995, 1996, 1997 Matthieu WILLM (willm@ibm.net)
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#define INCL_DOS
#define INCL_DOSERRORS
#define INCL_NOPMAPI
#include <os2.h>
#include <secure.h>
#include <string.h>
#include <os2/types.h>
#include <os2/StackToFlat.h>
#include <os2/devhlp32.h>
#define FSD32
#include <os2/fnmatch.h>
#undef FSD32
#include "sec32.h"
/*
* This callback is called by the OS/2 kernel before any open call issued to the kernel.
*
* This dummy implementation prevents ANY access to files named CONFIG.SYS, in any directory.
*/
ULONG CallType OPEN_PRE(PSZ pszPath, ULONG fsOpenFlags, ULONG fsOpenMode, ULONG SFN) {
int i;
ULONG rc;
i = strlen(pszPath);
while ((pszPath[i] != '\\') && (pszPath[i] != '/') && (i > 0)) i--;
if (i) {
if (!fnmatch("CONFIG.*", pszPath + i + 1, _FNM_OS2 | _FNM_IGNORECASE)) {
rc = ERROR_ACCESS_DENIED;
} else {
rc = NO_ERROR;
}
} else {
rc = ERROR_INVALID_PARAMETER;
}
return rc;
}