ok

2005-11-23 10:11:50 +00:00
parent 6725b525ff
commit 96f79ff1dc
16 changed files with 15 additions and 692 deletions
@@ -0,0 +1,213 @@
+/**
+ * @file ike_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 <string.h>
+
+#include "ike_sa_id.h"
+
+#include <types.h>
+#include <utils/allocator.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
+	  */
+	u_int64_t initiator_spi;
+
+	 /**
+	  * SPI of Responder
+	  */
+	u_int64_t responder_spi;
+
+	/**
+	 * Role for specific IKE_SA
+	 */
+	bool is_initiator_flag;
+
+};
+
+
+/**
+ * @brief implements function set_responder_spi of ike_sa_id_t
+ */
+static status_t set_responder_spi (private_ike_sa_id_t *this, u_int64_t responder_spi)
+{
+	this->responder_spi = responder_spi;
+	return SUCCESS;
+}
+
+static status_t set_initiator_spi(private_ike_sa_id_t *this, u_int64_t initiator_spi)
+{
+	this->initiator_spi = initiator_spi;
+	return SUCCESS;
+}
+
+/**
+ * @brief implements ike_sa_id_t.get_initiator_spi
+ */
+static u_int64_t get_initiator_spi (private_ike_sa_id_t *this)
+{
+	return this->initiator_spi;
+}
+
+/**
+ * @brief implements ike_sa_id_t.get_responder_spi
+ */
+static u_int64_t get_responder_spi (private_ike_sa_id_t *this)
+{
+	return this->responder_spi;
+}
+
+/**
+ * @brief implements function equals of ike_sa_id_t
+ */
+static 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->is_initiator_flag == other->is_initiator_flag) &&
+		(this->initiator_spi == other->initiator_spi) &&
+		(this->responder_spi == other->responder_spi))
+
+	{
+		/* 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 replace_values of ike_sa_id_t
+ */
+status_t replace_values (private_ike_sa_id_t *this, private_ike_sa_id_t *other)
+{
+	if ((this == NULL) || (other == NULL))
+	{
+		return FAILED;
+	}
+
+	this->initiator_spi = other->initiator_spi;
+	this->responder_spi = other->responder_spi;
+	this->is_initiator_flag = other->is_initiator_flag;
+
+	return SUCCESS;
+}
+
+
+/**
+ * @brief implements ike_sa_id_t.is_initiator
+ */
+static bool is_initiator(private_ike_sa_id_t *this)
+{
+	return this->is_initiator_flag;
+}
+
+/**
+ * @brief implements ike_sa_id_t.switch_initiator
+ */
+static bool switch_initiator(private_ike_sa_id_t *this)
+{
+	if (this->is_initiator_flag)
+	{
+		this->is_initiator_flag = FALSE;
+	}
+	else
+	{
+		this->is_initiator_flag = TRUE;	
+	}
+	return this->is_initiator_flag;
+}
+
+
+/**
+ * @brief implements function clone of ike_sa_id_t
+ */
+static status_t clone (private_ike_sa_id_t *this, ike_sa_id_t **clone_of_this)
+{
+	*clone_of_this = ike_sa_id_create(this->initiator_spi, this->responder_spi, this->is_initiator_flag);
+
+	return (*clone_of_this == NULL)	? OUT_OF_RES : SUCCESS;
+}
+
+/**
+ * @brief implements function destroy of ike_sa_id_t
+ */
+static status_t destroy (private_ike_sa_id_t *this)
+{
+	allocator_free(this);
+	return SUCCESS;
+}
+
+/*
+ * Described in Header-File
+ */
+ike_sa_id_t * ike_sa_id_create(u_int64_t initiator_spi, u_int64_t responder_spi, bool is_initiator_flag)
+{
+	private_ike_sa_id_t *this = allocator_alloc_thing(private_ike_sa_id_t);
+	if (this == NULL)
+	{
+		return NULL;
+	}
+
+	/* Public functions */
+	this->public.set_responder_spi = (status_t(*)(ike_sa_id_t*,u_int64_t)) set_responder_spi;
+	this->public.set_initiator_spi = (status_t(*)(ike_sa_id_t*,u_int64_t)) set_initiator_spi;
+	this->public.get_responder_spi = (u_int64_t(*)(ike_sa_id_t*)) get_responder_spi;
+	this->public.get_initiator_spi = (u_int64_t(*)(ike_sa_id_t*)) get_initiator_spi;
+	this->public.equals = (status_t(*)(ike_sa_id_t*,ike_sa_id_t*,bool*)) equals;
+	this->public.replace_values = (status_t(*)(ike_sa_id_t*,ike_sa_id_t*)) replace_values;
+
+	this->public.is_initiator = (bool(*)(ike_sa_id_t*)) is_initiator;
+	this->public.switch_initiator = (bool(*)(ike_sa_id_t*)) switch_initiator;
+
+	this->public.clone = (status_t(*)(ike_sa_id_t*,ike_sa_id_t**)) clone;
+	this->public.destroy = (status_t(*)(ike_sa_id_t*))destroy;
+
+	/* private data */
+	this->initiator_spi = initiator_spi;
+	this->responder_spi = responder_spi;
+	this->is_initiator_flag = is_initiator_flag;
+
+	return (&this->public);
+}