1 files changed, 57 insertions, 0 deletions
diff --git a/extension/openssl/dtls1.h b/extension/openssl/dtls1.h
new file mode 100644
index 0000000..5dc6b54
--- /dev/null
+++ b/extension/openssl/dtls1.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2005-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef OPENSSL_DTLS1_H
+# define OPENSSL_DTLS1_H
+# pragma once
+
+# include <openssl/macros.h>
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+#  define HEADER_DTLS1_H
+# endif
+
+# include <openssl/prov_ssl.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include <openssl/opensslconf.h>
+
+/* DTLS*_VERSION constants are defined in prov_ssl.h */
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+#  define DTLS_MIN_VERSION                DTLS1_VERSION
+#  define DTLS_MAX_VERSION                DTLS1_2_VERSION
+# endif
+# define DTLS1_VERSION_MAJOR             0xFE
+
+/* Special value for method supporting multiple versions */
+# define DTLS_ANY_VERSION                0x1FFFF
+
+/* lengths of messages */
+
+# define DTLS1_COOKIE_LENGTH                     255
+
+# define DTLS1_RT_HEADER_LENGTH                  13
+
+# define DTLS1_HM_HEADER_LENGTH                  12
+
+# define DTLS1_HM_BAD_FRAGMENT                   -2
+# define DTLS1_HM_FRAGMENT_RETRY                 -3
+
+# define DTLS1_CCS_HEADER_LENGTH                  1
+
+# define DTLS1_AL_HEADER_LENGTH                   2
+
+# define DTLS1_TMO_ALERT_COUNT                     12
+
+#ifdef  __cplusplus
+}
+#endif
+#endif