bsd-cygwin_util.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
*
* Copyright (c) 2000, 2001, Corinna Vinschen <vinschen@cygnus.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Created: Sat Sep 02 12:17:00 2000 cv
*
* This file contains functions for forcing opened file descriptors to
* binary mode on Windows systems.
*/
#include "includes.h"
RCSID("$Id: bsd-cygwin_util.c,v 1.8 2002/04/15 22:00:52 stevesk Exp $");
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef HAVE_CYGWIN
#include <fcntl.h>
#include <stdlib.h>
#include <windows.h>
#endif
#endif
{
}
{
if (!ret) {
}
return ret;
}
{
/*
* The only authentication which is able to change the user
* context on NT systems is the password authentication. So
* we deny all requsts for changing the user context if another
* authentication method is used.
*
* This doesn't apply to Cygwin versions >= 1.3.2 anymore which
* uses the undocumented NtCreateToken() call to create a user
* token if the process has the appropriate privileges and if
* CYGWIN ntsec setting is on.
*/
static int has_create_token = -1;
return 0;
if (is_winnt) {
if (has_create_token < 0) {
has_create_token = 0;
if (major_high > 1 ||
has_create_token = 1;
}
}
if (has_create_token < 1 &&
return 0;
}
return 1;
}
int check_ntsec(const char *filename)
{
char *cygwin;
int allow_ntea = 0;
int allow_ntsec = 0;
/* Windows 95/98/ME don't support file system security at all. */
if (!is_winnt)
return 0;
/* Evaluate current CYGWIN settings. */
/*
* `ntea' is an emulation of POSIX attributes. It doesn't support
* real file level security as ntsec on NTFS file systems does
* but it supports FAT filesystems. `ntea' is minimum requirement
* for security checks.
*/
if (allow_ntea)
return 1;
/*
* Retrieve file system flags. In Cygwin, file system flags are
* copied to f_type which has no meaning in Win32 itself.
*/
return 1;
/*
* Only file systems supporting ACLs are able to set permissions.
* `ntsec' is the setting in Cygwin which switches using of NTFS
* ACLs to support POSIX permissions on files.
*/
return allow_ntsec;
return 0;
}
void register_9x_service(void)
{
* application to register and control sshd as service. This method
* by the child sshd when it's going to daemonize.
*/
if (is_winnt)
return;
return;
return;
RegisterServiceProcess(0, 1);
}
#endif /* HAVE_CYGWIN */