Note RFC 9000 19.19 requirement

Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Hugo Landau <hlandau@openssl.org> (Merged from #21429)
openssl · Aug 4, 2023 · 73ef6e6 · 73ef6e6
1 parent 5ac7ee4
commit 73ef6e6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/ssl/quic/quic_wire.c b/ssl/quic/quic_wire.c
@@ -372,6 +372,10 @@ int ossl_quic_wire_encode_frame_conn_close(WPACKET *pkt,
             || !WPACKET_quic_write_vlint(pkt, f->error_code))
         return 0;
 
+    /*
+     * RFC 9000 s. 19.19: The application-specific variant of CONNECTION_CLOSE
+     * (type 0x1d) does not include this field.
+     */
     if (!f->is_app && !WPACKET_quic_write_vlint(pkt, f->frame_type))
         return 0;