Provide SSL_is_dtls().

For now this is #ifdef LIBRESSL_INTERNAL and will be exposed during the
next library bump.

ok tb@

2 files changed, 11 insertions, 2 deletions

diff --git a/src/lib/libssl/ssl.h b/src/lib/libssl/ssl.h
index 88039c08d6..a6ac6a1825 100644
--- a/src/lib/libssl/ssl.h
+++ b/src/lib/libssl/ssl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl.h,v 1.178 2020/09/20 09:42:00 tb Exp $ */
+/* $OpenBSD: ssl.h,v 1.179 2020/10/14 16:49:57 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1457,6 +1457,9 @@ void	SSL_free(SSL *ssl);
 int     SSL_up_ref(SSL *ssl);
 int     SSL_accept(SSL *ssl);
 int     SSL_connect(SSL *ssl);
+#ifdef LIBRESSL_INTERNAL
+int     SSL_is_dtls(const SSL *s);
+#endif
 int     SSL_is_server(const SSL *s);
 int     SSL_read(SSL *ssl, void *buf, int num);
 int     SSL_peek(SSL *ssl, void *buf, int num);
diff --git a/src/lib/libssl/ssl_lib.c b/src/lib/libssl/ssl_lib.c
index b306137c14..399af7c769 100644
--- a/src/lib/libssl/ssl_lib.c
+++ b/src/lib/libssl/ssl_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_lib.c,v 1.235 2020/10/11 02:22:27 jsing Exp $ */
+/* $OpenBSD: ssl_lib.c,v 1.236 2020/10/14 16:49:57 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -939,6 +939,12 @@ SSL_connect(SSL *s)
 }
 
 int
+SSL_is_dtls(const SSL *s)
+{
+        return s->method->internal->dtls;
+}
+
+int
 SSL_is_server(const SSL *s)
 {
         return s->server;