From 5c6357de8bda7c5fe0a7fa4ab31b365a9ae8e6fb Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Mon, 1 Jun 2015 01:32:57 +0200
Subject: [PATCH] devtls: ignore UnrecogniedName (112) alert message (for SNI)

---
 sys/src/9/port/devtls.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/sys/src/9/port/devtls.c b/sys/src/9/port/devtls.c
index d0550a7aa..4cb30b371 100644
--- a/sys/src/9/port/devtls.c
+++ b/sys/src/9/port/devtls.c
@@ -73,6 +73,7 @@ enum {
 	EInternalError 			= 80,
 	EUserCanceled 			= 90,
 	ENoRenegotiation 		= 100,
+	EUnrecognizedName		= 112,
 
 	EMAX = 256
 };
@@ -850,18 +851,25 @@ if(tr->debug) pdump(unpad_len, p, "decrypted:");
 		/*
 		 * propagate non-fatal alerts to handshaker
 		 */
-		if(p[1] == ECloseNotify) {
+		switch(p[1]){
+		case ECloseNotify:
 			tlsclosed(tr, SRClose);
 			if(tr->opened)
 				error("tls hungup");
 			error("close notify");
-		}
-		if(p[1] == ENoRenegotiation)
+			break;
+		case ENoRenegotiation:
 			alertHand(tr, "no renegotiation");
-		else if(p[1] == EUserCanceled)
+			break;
+		case EUserCanceled:
 			alertHand(tr, "handshake canceled by user");
-		else
+			break;
+		case EUnrecognizedName:
+			/* happens in response to SNI, can be ignored. */
+			break;
+		default:
 			rcvError(tr, EIllegalParameter, "invalid alert code");
+		}
 		break;
 	case RHandshake:
 		/*