From a867076c3ebf6742b96c03c3fd69ea6a54695e33 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Thu, 18 Aug 2016 16:48:13 -0500
Subject: [PATCH] wscutil: Relax OS_VERSION parser

Apple implementations seem to not set the MSB bit to 1.
---
 src/wscutil.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/wscutil.c b/src/wscutil.c
index 0bd27e65..41e447e3 100644
--- a/src/wscutil.c
+++ b/src/wscutil.c
@@ -356,10 +356,10 @@ static bool extract_os_version(struct wsc_attr_iter *iter, void *data)
 	 * The OS Version component indicates what operating system is running
 	 * on the device. It is a four-byte field. The most significant bit is
 	 * reserved and always set to one.
+	 *
+	 * We do not strictly check this as at least Apple's WPS implementation
+	 * does not set the MSB to 1.
 	 */
-	if ((v & 0x80000000) == 0)
-		return false;
-
 	*out = v & 0x7fffffff;
 	return true;
 }