From 69027c1090ab9e8a63fab7114854a23a0b6a36b5 Mon Sep 17 00:00:00 2001
From: Linus Nordberg <linus@nordu.net>
Date: Sun, 6 Mar 2016 23:18:21 +0100
Subject: Use DTLS_method() for new SSL context if it exists.

Effectively turning on support for DTLS 1.2 when OpenSSL version 1.0.2
or higher.
---
 tlscommon.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tlscommon.c b/tlscommon.c
index ee81d71..157296b 100644
--- a/tlscommon.c
+++ b/tlscommon.c
@@ -218,7 +218,12 @@ static SSL_CTX *tlscreatectx(uint8_t type, struct tls *conf) {
 #endif
 #ifdef RADPROT_DTLS
     case RAD_DTLS:
+#if OPENSSL_VERSION_NUMBER >= 0x10002000
+        /* DTLS_method() seems to have been introduced in OpenSSL 1.0.2. */
+	ctx = SSL_CTX_new(DTLS_method());
+#else
 	ctx = SSL_CTX_new(DTLSv1_method());
+#endif
 #ifdef DEBUG
 	SSL_CTX_set_info_callback(ctx, ssl_info_callback);
 #endif
-- 
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