* 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.

1 files changed, 18 insertions, 1 deletions

diff --git a/io/open.c b/io/open.c
index 188110b..c104406 100644
--- a/io/open.c
+++ b/io/open.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1995,1996,1997,2002,2007 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 +20,9 @@
 #include <fcntl.h>
 #include <stdarg.h>
 #include <stddef.h>
+#include <stdio.h>
+
+extern char **__libc_argv attribute_hidden;
 
 /* Open FILE with access OFLAG.  If OFLAG includes O_CREAT,
    a third argument is the file protection.  */
@@ -51,4 +54,18 @@ libc_hidden_def (__open)
 stub_warning (open)
 
 weak_alias (__open, open)
+
+
+int
+__open_2 (file, oflag)
+     const char *file;
+     int oflag;
+{
+  if (oflag & O_CREAT)
+    __fortify_fail ("invalid open call: O_CREAT without mode");
+
+  return __open (file, oflag);
+}
+stub_warning (__open_2)
+
 #include <stub-tag.h>