From cfb076c8a0a40337e867b0a2be66a258f05f17c5 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Wed, 3 Jan 2018 09:11:27 +0800
Subject: [PATCH] hs: close immediately if negotation failed

---
 lib/service.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/service.c b/lib/service.c
index a44e2cb3..b90ffcb3 100644
--- a/lib/service.c
+++ b/lib/service.c
@@ -1797,6 +1797,14 @@ drain:
 			break;
 		}
 #endif
+	/*
+	 * something went wrong with parsing the handshake, and
+	 * we ended up back in the event loop without completing it
+	 */
+	case LWSCM_PRE_WS_SERVING_ACCEPT:
+		wsi->socket_is_permanently_unusable = 1;
+		goto close_and_handled;
+
 	default:
 #ifdef LWS_NO_CLIENT
 		break;