mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-18 17:01:03 +00:00
ddfd053577
* Versions: Define GLIBC_2.7 for libc. * include/stdio.h: Declare __fortify_fail. * debug/fortify_fail.c: New file. * debug/Makefile (routines): Add fortify_fail. * debug/chk_fail.c: Use __fortify_fail. * debug/stack_chk_fail.c: Likewise. * io/Versions: Export __open_2, __open64_2, __openat_2, and __openat64_2 for GLIBC_2.7. * io/fcntl.h: When compiling with fortification, include bits/fcntl2.h. * io/open.c: Define *_2 variant of function which checks for O_CREAT and fails if necessary. * io/open64.c: Likewise. * io/openat.c: Likewise. * io/openat64.c: Likewise. * sysdeps/unix/sysv/linux/open64.c: Likewise. * sysdeps/unix/sysv/linux/openat.c: Likewise. * sysdeps/unix/sysv/linux/openat64.c: Likewise. * io/bits/fcntl2.h: New file. * include/fcntl.h: Declare __open_2, __open64_2, __openat_2, and __openat64_2. * include/bits/fcntl2.h: New file. * sysdeps/unix/sysv/linux/Makefile [subdir=io] (sysdep_routines): Add open_2. * sysdeps/unix/sysv/linux/open_2.c: New file.
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/* Copyright (C) 2005, 2006, 2007 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdarg.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
|
|
/* Open FILE with access OFLAG. Interpret relative paths relative to
|
|
the directory associated with FD. If OFLAG includes O_CREAT, a
|
|
third argument is the file protection. */
|
|
int
|
|
__openat (fd, file, oflag)
|
|
int fd;
|
|
const char *file;
|
|
int oflag;
|
|
{
|
|
int mode;
|
|
|
|
if (file == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
if (fd != AT_FDCWD && file[0] != '/')
|
|
{
|
|
/* Check FD is associated with a directory. */
|
|
struct stat64 st;
|
|
if (__fxstat64 (_STAT_VER, fd, &st) != 0)
|
|
return -1;
|
|
|
|
if (!S_ISDIR (st.st_mode))
|
|
{
|
|
__set_errno (ENOTDIR);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (oflag & O_CREAT)
|
|
{
|
|
va_list arg;
|
|
va_start (arg, oflag);
|
|
mode = va_arg (arg, int);
|
|
va_end (arg);
|
|
}
|
|
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
}
|
|
libc_hidden_def (__openat)
|
|
weak_alias (__openat, openat)
|
|
stub_warning (openat)
|
|
|
|
|
|
int
|
|
__openat_2 (fd, file, oflag)
|
|
int fd;
|
|
const char *file;
|
|
int oflag;
|
|
{
|
|
if (oflag & O_CREAT)
|
|
__fortify_fail ("invalid openat call: O_CREAT without mode");
|
|
|
|
return __openat (file, oflag);
|
|
}
|
|
stub_warning (__openat_2)
|
|
|
|
#include <stub-tag.h>
|