From 03203aba9366a008c11cc74989c0dc86e92d1d04 Mon Sep 17 00:00:00 2001
From: erauhut <erauhut@irobot.com>
Date: Sun, 23 Mar 2014 12:24:40 +0800
Subject: [PATCH] trac 58 ssl enable SNI per vhost certs

http://libwebsockets.org/trac/libwebsockets/ticket/58#no1
---
 lib/client.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/client.c b/lib/client.c
index 560603e9..28fcadbc 100644
--- a/lib/client.c
+++ b/lib/client.c
@@ -129,6 +129,22 @@ int lws_client_socket_service(struct libwebsocket_context *context,
 					SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
 
 
+		/* use server name indication (SNI), if supported,
+		 * when establishing connection */
+#ifdef USE_CYASSL
+#ifdef CYASSL_SNI_HOST_NAME
+		const char *hostname = lws_hdr_simple_ptr(wsi,
+			_WSI_TOKEN_CLIENT_PEER_ADDRESS);
+		CyaSSL_UseSNI(wsi->ssl, CYASSL_SNI_HOST_NAME,
+			hostname, strlen(hostname));
+#endif
+#else
+		const char *hostname = lws_hdr_simple_ptr(wsi,
+			_WSI_TOKEN_CLIENT_PEER_ADDRESS);
+		SSL_set_tlsext_host_name(wsi->ssl, hostname);
+#endif
+
+
 #ifdef USE_CYASSL
 			/*
 			 * CyaSSL does certificate verification differently