Added stubs for handshake handling, server and peer variants

2010-08-03 15:39:24 +02:00
parent 4c0124a0a2
commit 4c0c2283a5
9 changed files with 446 additions and 6 deletions
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2010 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tls_handshake tls_handshake
+ * @{ @ingroup tls
+ */
+
+#ifndef TLS_HANDSHAKE_H_
+#define TLS_HANDSHAKE_H_
+
+typedef struct tls_handshake_t tls_handshake_t;
+
+#include "tls.h"
+
+/**
+ * TLS handshake state machine interface.
+ */
+struct tls_handshake_t {
+
+	/**
+	 * Process received TLS handshake message.
+	 *
+	 * @param type		TLS handshake message type
+	 * @param data		TLS handshake data
+	 * @return
+	 *					- SUCCESS if handshake complete
+	 *					- FAILED if handshake failed
+	 *					- NEED_MORE if another invocation of process/build needed
+	 */
+	status_t (*process)(tls_handshake_t *this,
+						tls_handshake_type_t type, chunk_t data);
+
+	/**
+	 * Build TLS handshake messages to send out.
+	 *
+	 * @param type		type of created handshake message
+	 * @param data		allocated TLS handshake message data
+	 * @return
+	 *					- SUCCESS if handshake complete
+	 *					- FAILED if handshake failed
+	 *					- NEED_MORE if more messages ready for delivery
+	 *					- INVALID_STATE if more input to process() required
+	 */
+	status_t (*build)(tls_handshake_t *this,
+					  tls_handshake_type_t *type, chunk_t *data);
+
+	/**
+	 * Destroy a tls_handshake_t.
+	 */
+	void (*destroy)(tls_handshake_t *this);
+};
+
+#endif /** TLS_HANDSHAKE_H_ @}*/