From 250ff7c03ca80bd5720796f7863b95e4cabe803a Mon Sep 17 00:00:00 2001
From: Sergey Kandaurov <pluknet@nginx.com>
Date: Fri, 5 Jun 2020 13:20:02 +0300
Subject: [PATCH] Receipt of CONNECTION_CLOSE in 0-RTT is permitted in
 draft-28.

---
 src/event/ngx_event_quic_transport.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/event/ngx_event_quic_transport.c b/src/event/ngx_event_quic_transport.c
index 32fcb5a66..712fbf5bc 100644
--- a/src/event/ngx_event_quic_transport.c
+++ b/src/event/ngx_event_quic_transport.c
@@ -1069,8 +1069,13 @@ ngx_quic_frame_allowed(ngx_quic_header_t *pkt, ngx_uint_t frame_type)
          /* RETIRE_CONNECTION_ID */  0x3,
          /* PATH_CHALLENGE */        0x3,
          /* PATH_RESPONSE */         0x3,
+#if (NGX_QUIC_DRAFT_VERSION >= 28)
+         /* CONNECTION_CLOSE */      0xF,
+         /* CONNECTION_CLOSE2 */     0x3,
+#else
          /* CONNECTION_CLOSE */      0xD,
          /* CONNECTION_CLOSE2 */     0x1,
+#endif
          /* HANDSHAKE_DONE */        0x0, /* only sent by server */
     };