- generator skeleton written

Source/charon/generator.c

@@ -0,0 +1,71 @@
+/**
+ * @file generator.c
+ * 
+ * @brief Generic generator class used to generate IKEv2-Header and Payload
+ * 
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, 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.
+ */
+
+#include <stdlib.h>
+#include <freeswan.h>
+#include <pluto/constants.h>
+#include <pluto/defs.h>
+
+#include "types.h"
+#include "generator.h"
+
+/**
+ * Private data of a generator_t object
+ */
+typedef struct private_generator_s private_generator_t;
+ 
+struct private_generator_s { 	
+	/**
+	 * Public part of a generator object
+	 */
+	 generator_t public;
+};
+
+static status_t generate_payload (private_generator_t *this,payload_type_t payload_type,void * data_struct, chunk_t *data)
+{
+	return FAILED;
+}
+
+/**
+ * Implementation of generator_t's destroy function
+ */
+static status_t destroy(private_generator_t *this)
+{
+	if (this == NULL)
+	{
+		return FAILED;
+	}
+
+	pfree(this);
+	return SUCCESS;
+}
+
+
+generator_t * generator_create()
+{
+	private_generator_t *this = alloc_thing(private_generator_t,"private_generator_t");
+	
+	this->public.generate_payload = (status_t(*)(generator_t*, payload_type_t, void *, chunk_t *)) generate_payload;
+	this->public.destroy = (status_t(*)(generator_t*)) destroy;
+	
+	return &(this->public);
+}

Source/charon/generator.h

@@ -0,0 +1,60 @@
+/**
+ * @file generator.h
+ * 
+ * @brief Generic generator class used to generate IKEv2-Header and Payload
+ * 
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, 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.
+ */
+
+#ifndef GENERATOR_H_
+#define GENERATOR_H_
+
+#include "types.h"
+#include "encodings.h"
+
+/**
+ * @brief A generator_t-object which generates payloads of specific type
+ */
+typedef struct generator_s generator_t;
+
+struct generator_s { 	
+
+	/**
+	 * @brief Generates a specific payload from given data struct
+	 * 
+	 * Remember: Header and substructures are also seen as payloads
+	 * 
+	 * @param generator generator object
+	 * @param payload_type payload type to generate using the given data struct
+	 * @param[in] data_struct Data struct where the needed data for generating are stored
+	 * @param[out] output pointer to a chunk_t where the data are generated to
+	 * @return SUCCESSFUL if succeeded, FAILED otherwise
+	 */
+	status_t (*generate_payload) (generator_t *this,payload_type_t payload_type,void * data_struct, chunk_t *data);
+
+	/**
+	 * @brief Destroys a generator object
+	 * 
+	 * @param generator generator object
+	 * @return SUCCESSFUL if succeeded, FAILED otherwise
+	 */
+	status_t (*destroy) (generator_t *this);
+};
+
+generator_t * generator_create();
+
+#endif /*GENERATOR_H_*/