From caf5708bb638425191dd623948f905668d94a232 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Moise=CC=81s=20Guimara=CC=83es?= <moises@wolfssl.com>
Date: Sat, 3 Jun 2017 14:37:17 -0300
Subject: [PATCH] adds unsupported_extension behavior to ALPN

---
 src/tls.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/tls.c b/src/tls.c
index 625da6c24..86bed5982 100644
--- a/src/tls.c
+++ b/src/tls.c
@@ -1207,9 +1207,8 @@ static int TLSX_ALPN_ParseAndSet(WOLFSSL *ssl, byte *input, word16 length,
 #endif
 
     if (extension == NULL || extension->data == NULL) {
-        WOLFSSL_MSG("No ALPN extensions not used or bad");
-        return isRequest ? 0             /* not using ALPN */
-                         : BUFFER_ERROR; /* unexpected ALPN response */
+        return isRequest ? 0
+                         : TLSX_HandleUnsupportedExtension(ssl);
     }
 
     /* validating alpn list length */