From a9b8fe7ebf61b8c0e7891e06e70d558412933a33 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Mon, 3 Mar 2025 07:30:01 +0000
Subject: [PATCH] ws: delimit ws upgrade protocol when exts available

https://github.com/warmcat/libwebsockets/issues/3151
---
 lib/roles/ws/server-ws.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/roles/ws/server-ws.c b/lib/roles/ws/server-ws.c
index 31e282933..24d1a4d5a 100644
--- a/lib/roles/ws/server-ws.c
+++ b/lib/roles/ws/server-ws.c
@@ -746,7 +746,8 @@ handshake_0405(struct lws_context *context, struct lws *wsi)
 	 *
 	 * Give him a limited write bugdet
 	 */
-	if (lws_extension_server_handshake(wsi, &p, 192))
+	LWS_CPYAPP(p, "\x0d\x0a");
+	if (lws_extension_server_handshake(wsi, &p, 190))
 		goto bail;
 #endif
 	LWS_CPYAPP(p, "\x0d\x0a");