DTLS trace support.
Add DTLS record header parsing, different client hello format and add
HelloVerifyRequest message type.
Add code to d1_pkt.c to send message headers to the message callback.
diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index 134198e..6723975 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -438,7 +438,8 @@
(c)->algo_strength)
#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
-
+/* Check if an SSL structure is using DTLS */
+#define SSL_IS_DTLS(s) ((s->method->version >> 8) == 0xfe)
/* Mostly for SSLv3 */
