From ddfd0535776c47ec01231ac91fabe8b2e128cfa3 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 24 May 2007 23:55:28 +0000 Subject: * 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. --- io/open.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'io/open.c') diff --git a/io/open.c b/io/open.c index 188110b3f3..c104406245 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 #include #include +#include + +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 -- cgit v1.2.3