[svn-upgrade] Integrating new upstream version, strongswan (4.4.0)

1 files changed, 227 insertions, 0 deletions

diff --git a/src/libcharon/encoding/payloads/ike_header.h b/src/libcharon/encoding/payloads/ike_header.h
new file mode 100644
index 000000000..e63e8bf06
--- /dev/null
+++ b/src/libcharon/encoding/payloads/ike_header.h
@@ -0,0 +1,227 @@
+/*
+ * Copyright (C) 2007 Tobias Brunner
+ * Copyright (C) 2005-2006 Martin Willi
+ * Copyright (C) 2005 Jan Hutter
+ * 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 ike_header ike_header
+ * @{ @ingroup payloads
+ */
+
+#ifndef IKE_HEADER_H_
+#define IKE_HEADER_H_
+
+typedef enum exchange_type_t exchange_type_t;
+typedef struct ike_header_t ike_header_t;
+
+#include <library.h>
+#include <encoding/payloads/payload.h>
+
+/**
+ * Major Version of IKEv2.
+ */
+#define IKE_MAJOR_VERSION 2
+
+/**
+ * Minor Version of IKEv2.
+ */
+#define IKE_MINOR_VERSION 0
+
+/**
+ * Flag in IKEv2-Header. Always 0.
+ */
+#define HIGHER_VERSION_SUPPORTED_FLAG 0
+
+/**
+ * Length of IKE Header in Bytes.
+ */
+#define IKE_HEADER_LENGTH 28
+
+/**
+ * Different types of IKE-Exchanges.
+ *
+ * See RFC for different types.
+ */
+enum exchange_type_t{
+
+	/**
+	 * EXCHANGE_TYPE_UNDEFINED. In private space, since not a official message type.
+	 */
+	EXCHANGE_TYPE_UNDEFINED = 255,
+
+	/**
+	 * IKE_SA_INIT.
+	 */
+	IKE_SA_INIT = 34,
+
+	/**
+	 * IKE_AUTH.
+	 */
+	IKE_AUTH = 35,
+
+	/**
+	 * CREATE_CHILD_SA.
+	 */
+	CREATE_CHILD_SA = 36,
+
+	/**
+	 * INFORMATIONAL.
+	 */
+	INFORMATIONAL = 37,
+#ifdef ME
+	/**
+	 * ME_CONNECT
+	 */
+	ME_CONNECT = 240
+#endif /* ME */
+};
+
+/**
+ * enum name for exchange_type_t
+ */
+extern enum_name_t *exchange_type_names;
+
+/**
+ * An object of this type represents an IKEv2 header and is used to
+ * generate and parse IKEv2 headers.
+ *
+ * The header format of an IKEv2-Message is compatible to the
+ * ISAKMP-Header format to allow implementations supporting
+ * both versions of the IKE-protocol.
+ */
+struct ike_header_t {
+	/**
+	 * The payload_t interface.
+	 */
+	payload_t payload_interface;
+
+	/**
+	 * Get the initiator spi.
+	 *
+	 * @return 				initiator_spi
+	 */
+	u_int64_t (*get_initiator_spi) (ike_header_t *this);
+
+	/**
+	 * Set the initiator spi.
+	 *
+	 * @param initiator_spi	initiator_spi
+	 */
+	void (*set_initiator_spi) (ike_header_t *this, u_int64_t initiator_spi);
+
+	/**
+	 * Get the responder spi.
+	 *
+	 * @return 				responder_spi
+	 */
+	u_int64_t (*get_responder_spi) (ike_header_t *this);
+
+	/**
+	 * Set the responder spi.
+	 *
+	 * @param responder_spi	responder_spi
+	 */
+	void (*set_responder_spi) (ike_header_t *this, u_int64_t responder_spi);
+
+	/**
+	 * Get the major version.
+	 *
+	 * @return 				major version
+	 */
+	u_int8_t (*get_maj_version) (ike_header_t *this);
+
+	/**
+	 * Get the minor version.
+	 *
+	 * @return 				minor version
+	 */
+	u_int8_t (*get_min_version) (ike_header_t *this);
+
+	/**
+	 * Get the response flag.
+	 *
+	 * @return 				response flag
+	 */
+	bool (*get_response_flag) (ike_header_t *this);
+
+	/**
+	 * Set the response flag-
+	 *
+	 * @param response		response flag
+	 */
+	void (*set_response_flag) (ike_header_t *this, bool response);
+	/**
+	 * Get "higher version supported"-flag.
+	 *
+	 * @return 				version flag
+	 */
+	bool (*get_version_flag) (ike_header_t *this);
+
+	/**
+	 * Get the initiator flag.
+	 *
+	 * @return 				initiator flag
+	 */
+	bool (*get_initiator_flag) (ike_header_t *this);
+
+	/**
+	 * Set the initiator flag.
+	 *
+	 * @param initiator		initiator flag
+	 */
+	void (*set_initiator_flag) (ike_header_t *this, bool initiator);
+
+	/**
+	 * Get the exchange type.
+	 *
+	 * @return 				exchange type
+	 */
+	u_int8_t (*get_exchange_type) (ike_header_t *this);
+
+	/**
+	 * Set the  exchange type.
+	 *
+	 * @param exchange_type	exchange type
+	 */
+	void (*set_exchange_type) (ike_header_t *this, u_int8_t exchange_type);
+
+	/**
+	 * Get the message id.
+	 *
+	 * @return 				message id
+	 */
+	u_int32_t (*get_message_id) (ike_header_t *this);
+
+	/**
+	 * Set the message id.
+	 *
+	 * @param initiator_spi	message id
+	 */
+	void (*set_message_id) (ike_header_t *this, u_int32_t message_id);
+
+	/**
+	 * Destroys a ike_header_t object.
+	 */
+	void (*destroy) (ike_header_t *this);
+};
+
+/**
+ * Create an ike_header_t object
+ *
+ * @return ike_header_t object
+ */
+ike_header_t *ike_header_create(void);
+
+#endif /** IKE_HEADER_H_ @}*/