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-rw-r--r--sysdeps/mach/hurd/open.c13
-rw-r--r--sysdeps/mach/hurd/openat.c14
2 files changed, 27 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/open.c b/sysdeps/mach/hurd/open.c
index bdfed5e..519789f 100644
--- a/sysdeps/mach/hurd/open.c
+++ b/sysdeps/mach/hurd/open.c
@@ -19,6 +19,7 @@
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
+#include <stdio.h>
#include <hurd.h>
#include <hurd/fd.h>
@@ -52,8 +53,20 @@ weak_alias (__libc_open, __open)
libc_hidden_weak (__open)
weak_alias (__libc_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);
+}
+
/* open64 is just the same as open for us. */
weak_alias (__libc_open, __libc_open64)
weak_alias (__libc_open, __open64)
libc_hidden_weak (_open64)
weak_alias (__libc_open, open64)
+strong_alias (__open_2, __open64_2)
diff --git a/sysdeps/mach/hurd/openat.c b/sysdeps/mach/hurd/openat.c
index 1faf857..f0a3404 100644
--- a/sysdeps/mach/hurd/openat.c
+++ b/sysdeps/mach/hurd/openat.c
@@ -21,6 +21,7 @@
#include <fcntl.h>
#include <stdarg.h>
#include <stddef.h>
+#include <stdio.h>
#include <sys/stat.h>
#include <hurd.h>
#include <hurd/fd.h>
@@ -56,7 +57,20 @@ __openat (fd, file, oflag)
libc_hidden_def (__openat)
weak_alias (__openat, 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 (fd, file, oflag);
+}
+
/* openat64 is just the same as openat for us. */
weak_alias (__openat, __openat64)
libc_hidden_weak (__openat64)
weak_alias (__openat, openat64)
+strong_alias (__openat_2, __openat64_2)