mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 01:40:07 +00:00
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* Test for access to FILE using effective UID and GID. Hurd version.
|
|
Copyright (C) 1991-2015 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <stddef.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <hurd.h>
|
|
|
|
int
|
|
__euidaccess (file, type)
|
|
const char *file;
|
|
int type;
|
|
{
|
|
error_t err;
|
|
file_t port;
|
|
int allowed, flags;
|
|
|
|
port = __file_name_lookup (file, 0, 0);
|
|
if (port == MACH_PORT_NULL)
|
|
return -1;
|
|
|
|
/* Find out what types of access we are allowed to this file. */
|
|
err = __file_check_access (port, &allowed);
|
|
__mach_port_deallocate (__mach_task_self (), port);
|
|
if (err)
|
|
return __hurd_fail (err);
|
|
|
|
flags = 0;
|
|
if (type & R_OK)
|
|
flags |= O_READ;
|
|
if (type & W_OK)
|
|
flags |= O_WRITE;
|
|
if (type & X_OK)
|
|
flags |= O_EXEC;
|
|
|
|
if (flags & ~allowed)
|
|
/* We are not allowed all the requested types of access. */
|
|
return __hurd_fail (EACCES);
|
|
|
|
return 0;
|
|
}
|
|
weak_alias (__euidaccess, euidaccess)
|
|
weak_alias (__euidaccess, eaccess)
|