added generic TLS application data handler and specific EAP-TTLS instantiation

2010-08-12 23:58:54 +02:00
parent 123a84d3db
commit 1327839da8
14 changed files with 335 additions and 33 deletions
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * Copyright (C) 2010 HSR 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.
+ */
+
+#include "eap_ttls_peer.h"
+
+#include <debug.h>
+
+#define AVP_EAP_MESSAGE		79
+
+typedef struct private_eap_ttls_peer_t private_eap_ttls_peer_t;
+
+/**
+ * Private data of an eap_ttls_peer_t object.
+ */
+struct private_eap_ttls_peer_t {
+
+	/**
+	 * Public eap_ttls_peer_t interface.
+	 */
+	eap_ttls_peer_t public;
+
+	/**
+	 * Peer identity
+	 */
+	identification_t *peer;
+
+	/**
+	 * EAP-TTLS state information
+	 */
+	bool start_phase2;
+};
+
+
+METHOD(tls_application_t, process, status_t,
+	private_eap_ttls_peer_t *this, tls_reader_t *reader)
+{
+	return NEED_MORE;
+}
+
+METHOD(tls_application_t, build, status_t,
+	private_eap_ttls_peer_t *this, tls_writer_t *writer)
+{
+	if (this->start_phase2)
+	{
+		chunk_t data = chunk_from_chars(
+			0x02, 0x00, 0x00, 10, 0x01, 'c', 'a', 'r', 'o', 'l', 0x00, 0x00);
+		u_int8_t avp_flags = 0x40;
+		u_int32_t avp_len;
+
+		avp_len = 8 + data.len - 2;
+		writer->write_uint32(writer, AVP_EAP_MESSAGE);
+		writer->write_uint8(writer, avp_flags);
+		writer->write_uint24(writer, avp_len);
+		writer->write_data(writer, data);
+		this->start_phase2 = FALSE;
+	}
+	return INVALID_STATE;
+}
+
+METHOD(tls_application_t, destroy, void,
+	private_eap_ttls_peer_t *this)
+{
+	free(this);
+}
+
+/**
+ * See header
+ */
+eap_ttls_peer_t *eap_ttls_peer_create(identification_t *peer)
+{
+	private_eap_ttls_peer_t *this;
+
+	INIT(this,
+		.public.application = {
+			.process = _process,
+			.build = _build,
+			.destroy = _destroy,
+		},
+		.peer = peer,
+		.start_phase2 = TRUE,
+	);
+
+	return &this->public;
+}