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authorUlrich Drepper <drepper@redhat.com>2007-05-24 23:55:28 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-24 23:55:28 +0000
commitddfd0535776c47ec01231ac91fabe8b2e128cfa3 (patch)
tree1052c9c568ae6f734290034e8ea566d396b71a13 /io/openat.c
parent5a8075b116280d0c1ece277e4be75250efca45b2 (diff)
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* Makerules (sysd-rules): Define PTW for ptw-* files.
* 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.
Diffstat (limited to 'io/openat.c')
-rw-r--r--io/openat.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/io/openat.c b/io/openat.c
index c65ad19..98fa1a1 100644
--- a/io/openat.c
+++ b/io/openat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+/* 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
@@ -20,6 +20,7 @@
#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
@@ -68,4 +69,18 @@ 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>