1 files changed, 115 insertions, 0 deletions
diff --git a/src/libcharon/encoding/payloads/sa_payload.h b/src/libcharon/encoding/payloads/sa_payload.h
new file mode 100644
index 000000000..25f5a2407
--- /dev/null
+++ b/src/libcharon/encoding/payloads/sa_payload.h
@@ -0,0 +1,115 @@
+/*
+ * 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 sa_payload sa_payload
+ * @{ @ingroup payloads
+ */
+
+#ifndef SA_PAYLOAD_H_
+#define SA_PAYLOAD_H_
+
+typedef struct sa_payload_t sa_payload_t;
+
+#include <library.h>
+#include <encoding/payloads/payload.h>
+#include <encoding/payloads/proposal_substructure.h>
+#include <utils/linked_list.h>
+
+/**
+ * SA_PAYLOAD length in bytes without any proposal substructure.
+ */
+#define SA_PAYLOAD_HEADER_LENGTH 4
+
+/**
+ * Class representing an IKEv2-SA Payload.
+ *
+ * The SA Payload format is described in RFC section 3.3.
+ */
+struct sa_payload_t {
+	/**
+	 * The payload_t interface.
+	 */
+	payload_t payload_interface;
+
+	/**
+	 * Creates an iterator of stored proposal_substructure_t objects.
+	 *
+	 * When deleting an proposal using this iterator,
+	 * the length of this transform substructure has to be refreshed
+	 * by calling get_length()!
+	 *
+	 * @param forward 		iterator direction (TRUE: front to end)
+	 * @return				created iterator_t object
+	 */
+	iterator_t *(*create_proposal_substructure_iterator) (sa_payload_t *this,
+														  bool forward);
+
+	/**
+	 * Adds a proposal_substructure_t object to this object.
+	 *
+	 * @param proposal  		proposal_substructure_t object to add
+	 */
+	void (*add_proposal_substructure) (sa_payload_t *this,
+									   proposal_substructure_t *proposal);
+
+	/**
+	 * Gets the proposals in this payload as a list.
+	 *
+	 * @return					a list containing proposal_t s
+	 */
+	linked_list_t *(*get_proposals) (sa_payload_t *this);
+
+	/**
+	 * Add a child proposal (AH/ESP) to the payload.
+	 *
+	 * @param proposal			child proposal to add to the payload
+	 */
+	void (*add_proposal) (sa_payload_t *this, proposal_t *proposal);
+
+	/**
+	 * Destroys an sa_payload_t object.
+	 */
+	void (*destroy) (sa_payload_t *this);
+};
+
+/**
+ * Creates an empty sa_payload_t object
+ *
+ * @return					created sa_payload_t object
+ */
+sa_payload_t *sa_payload_create(void);
+
+/**
+ * Creates a sa_payload_t object from a list of proposals.
+ *
+ * @param proposals			list of proposals to build the payload from
+ * @return					sa_payload_t object
+ */
+sa_payload_t *sa_payload_create_from_proposal_list(linked_list_t *proposals);
+
+/**
+ * Creates a sa_payload_t object from a single proposal.
+ *
+ * This is only for convenience. Use sa_payload_create_from_proposal_list
+ * if you want to add more than one proposal.
+ *
+ * @param proposal			proposal from which the payload should be built.
+ * @return					sa_payload_t object
+ */
+sa_payload_t *sa_payload_create_from_proposal(proposal_t *proposal);
+
+#endif /** SA_PAYLOAD_H_ @}*/