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$NetBSD: patch-tempfile.c,v 1.1.1.1 2016/05/29 22:24:33 abs Exp $
-- Handle the non Linux case by just wrapping tmpfile()
-- (which may be secure on some of those systems :)
--- tempfile.c.orig 2016-05-13 05:18:32.000000000 +0000
+++ tempfile.c
@@ -17,16 +17,20 @@
#include <paths.h>
#include <fcntl.h> /* O_TMPFILE requires -D_GNU_SOURCE */
+#ifdef __linux__
#include <linux/version.h>
+#endif
#include <stdlib.h> /* mkstemp() */
#include <stdio.h> /* fdopen() */
#include <sys/stat.h> /* umask() */
+#ifdef __linux__
#ifndef O_TMPFILE /* Too old GLIBC or kernel */
#warning O_TMPFILE missing on your system, tempfile() may not work!
#define __O_TMPFILE 020000000
#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY) /* Define and let it fail at runtime */
#endif
+#endif
/**
* tempfile - A secure tmpfile() replacement
@@ -43,6 +47,10 @@
*/
FILE *tempfile(void)
{
+#ifndef __linux__
+#warning Not on Linux, reverting to wrap tmpfile(), which may or may not be safe ...
+ return tmpfile();
+#else
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)
int fd;
mode_t oldmask;
@@ -58,6 +66,7 @@ FILE *tempfile(void)
#warning Too old kernel, reverting to wrap unsafe tmpfile() ...
return tmpfile();
#endif
+#endif
}
#ifdef UNITTEST
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