- IKE_SA-Identification class writen, but not tested

Source/charon/ike_sa_id.c

@@ -0,0 +1,156 @@
+/**
+ * @file ihe_sa_id.c
+ * 
+ * @brief Class for identification of an IKE_SA
+ * 
+ */
+
+/*
+ * 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 "ike_sa_id.h"
+
+/**
+ * Private data of an ike_sa_id object
+ */
+typedef struct private_ike_sa_id_s private_ike_sa_id_t;
+ 
+struct private_ike_sa_id_s { 	
+	/**
+	 * Public part of a ike_sa_id object
+	 */
+	ike_sa_id_t public;
+	 
+	 
+	/* Private values */
+	
+	 /**
+	  * SPI of Initiator
+	  */
+	spi_t initiator_spi;
+	
+	 /**
+	  * SPI of Responder
+	  */
+	spi_t responder_spi;
+	
+	/**
+	 * Role for specific IKE_SA
+	 */
+	ike_sa_role_t role;
+	
+};
+
+
+/**
+ * @brief implements function set_responder_spi of ike_sa_id_t
+ */
+static status_t set_responder_spi (private_ike_sa_id_t *this, spi_t responder_spi)
+{
+	if (this == NULL)
+	{
+		return FAILED;
+	}
+	this->responder_spi = responder_spi;
+	return SUCCESS;
+}
+
+/**
+ * @brief implements function initiator_spi_is_set of ike_sa_id_t
+ */
+bool initiator_spi_is_set (private_ike_sa_id_t *this)
+{
+	return (!((this->initiator_spi.high == 0) && (this->initiator_spi.low == 0)));
+}
+
+/**
+ * @brief implements function responder_spi_is_set of ike_sa_id_t
+ */
+bool responder_spi_is_set (private_ike_sa_id_t *this)
+{
+	return (!((this->responder_spi.high == 0) && (this->responder_spi.low == 0)));
+}
+
+/**
+ * @brief implements function equals of ike_sa_id_t
+ */
+status_t equals (private_ike_sa_id_t *this,private_ike_sa_id_t *other, bool *are_equal)
+{
+	if ((this == NULL)||(other == NULL))
+	{
+		return FAILED;
+	}
+	if (	(this->role == other->role) && 
+		(this->initiator_spi.high == other->initiator_spi.high) &&
+		(this->initiator_spi.low == other->initiator_spi.low) &&
+		(this->responder_spi.high == other->responder_spi.high) &&
+		(this->responder_spi.low == other->responder_spi.low))
+	{
+		/* private_ike_sa_id's are equal */
+		*are_equal = TRUE;
+	}
+	else
+	{
+		/* private_ike_sa_id's are not equal */
+		*are_equal = FALSE;
+	}
+	
+	return SUCCESS;
+}
+
+/**
+ * @brief implements function destroy of ike_sa_id_t
+ */
+static status_t destroy (private_ike_sa_id_t *this)
+{
+	if (this == NULL)
+	{
+		return FAILED;
+	}
+	pfree(this);
+	return SUCCESS;
+}
+
+/*
+ * Described in Header-File
+ */
+ike_sa_id_t * ike_sa_id_create(spi_t initiator_spi, spi_t responder_spi, ike_sa_role_t role)
+{
+	private_ike_sa_id_t *this = alloc_thing(private_ike_sa_id_t, "private_ike_sa_id_t");
+	if (this == NULL)
+	{
+		return NULL;
+	}
+	
+	/* Public functions */
+	this->public.set_responder_spi = (status_t(*)(ike_sa_id_t*,spi_t))set_responder_spi;
+	this->public.responder_spi_is_set = (bool(*)(ike_sa_id_t*))responder_spi_is_set;
+	this->public.initiator_spi_is_set = (bool(*)(ike_sa_id_t*))initiator_spi_is_set;
+	this->public.equals = (status_t(*)(ike_sa_id_t*,ike_sa_id_t*,bool*))equals;
+	this->public.destroy = (status_t(*)(ike_sa_id_t*))destroy;
+	
+	/* private data */
+	this->initiator_spi = initiator_spi;
+	this->responder_spi = responder_spi;
+	this->role = role;
+	
+	return (&this->public);	
+}

Source/charon/ike_sa_id.h

@@ -0,0 +1,93 @@
+/**
+ * @file ihe_sa_id.h
+ * 
+ * @brief Class for identification of an IKE_SA
+ * 
+ */
+
+/*
+ * 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 IKE_SA_ID_H_
+#define IKE_SA_ID_H_
+
+#include "types.h"
+
+/**
+ * @brief This class is used to identify an IKE_SA.
+ * 
+ * An IKE_SA is identified by its initiator and responder spi's.
+ * Additionaly it contains the role of the actual running IKEv2-Daemon 
+ * for the specific IKE_SA.
+ */
+typedef struct ike_sa_id_s ike_sa_id_t;
+
+struct ike_sa_id_s { 	
+
+	/**
+	 * @brief Sets the SPI of the responder.
+	 * 
+	 * This function is called when a request or reply of a IKE_SA_INIT is received.
+	 * 
+	 * @param this ike_sa_id object
+	 * @param responder_spi SPI of responder to set
+	 * @return SUCCESSFUL if succeeded, FAILED otherwise
+	 */
+	status_t (*set_responder_spi) (ike_sa_id_t *this, spi_t responder_spi);
+
+	/**
+	 * @brief Returns TRUE if the initiator spi is set (not zero)
+	 * 
+	 * @param this ike_sa_id object
+	 * @return TRUE if the initiator spi is set, FALSE otherwise
+	 */
+	bool (*initiator_spi_is_set) (ike_sa_id_t *this);
+
+	/**
+	 * @brief Returns TRUE if the responder spi is set (not zero)
+	 * 
+	 * @param this ike_sa_id object
+	 * @return TRUE if the responder spi is set, FALSE otherwise
+	 */
+	bool (*responder_spi_is_set) (ike_sa_id_t *this);
+	
+	/**
+	 * @brief Check if two ike_sa_ids are equal
+	 * 
+	 * @param this ike_sa_id object
+ 	 * @param this other ike_sa_id object to check if equal
+ 	 * @param are_equal is set to TRUE, if given ike_sa_ids are equal, FALSE otherwise
+	 * @return SUCCESSFUL if succeeded, FAILED otherwise
+	 */
+	status_t (*equals) (ike_sa_id_t *this,ike_sa_id_t *other, bool *are_equal);	
+
+	/**
+	 * @brief Destroys a ike_sa_id object
+	 * 
+	 * @param this ike_sa_id object
+	 * @return SUCCESSFUL if succeeded, FAILED otherwise
+	 */
+	status_t (*destroy) (ike_sa_id_t *this);
+};
+
+/**
+ * Creates an ike_sa_id_t-object with specific spi's and defined role
+ * 
+ * @warning The initiator SPI and role is not changeable after initiating a ike_sa_id-object 
+ */
+ike_sa_id_t * ike_sa_id_create(spi_t initiator_spi, spi_t responder_spi,ike_sa_role_t role);
+
+#endif /*IKE_SA_ID_H_*/