Source/charon/states/ike_sa_init_requested.h

@@ -0,0 +1,4 @@
+#ifndef IKE_SA_INIT_REQUESTED_H_
+#define IKE_SA_INIT_REQUESTED_H_
+
+#endif /*IKE_SA_INIT_REQUESTED_H_*/

Source/charon/states/ike_sa_init_responded.h

@@ -0,0 +1,4 @@
+#ifndef IKE_SA_INIT_RESPONDED_H_
+#define IKE_SA_INIT_RESPONDED_H_
+
+#endif /*IKE_SA_INIT_RESPONDED_H_*/

Source/charon/states/initiator_init.c

@@ -0,0 +1,92 @@
+/**
+ * @file initiator_init.c
+ * 
+ * @brief Start state of a IKE_SA as initiator
+ * 
+ */
+
+/*
+ * 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 "initiator_init.h"
+
+#include "../utils/allocator.h"
+
+/**
+ * Private data of a initiator_init_t object.
+ *
+ */
+typedef struct private_initiator_init_s private_initiator_init_t;
+struct private_initiator_init_s {
+	/**
+	 * methods of the state_t interface
+	 */
+	initiator_init_t public;
+	
+};
+
+static status_t initiate_connection (private_initiator_init_t *this, char *name, state_t **new_state)
+{
+	return SUCCESS;
+}
+
+/**
+ * Implements state_t.get_state
+ */
+static status_t process_message(private_initiator_init_t *this, message_t *message, state_t **new_state)
+{
+	*new_state = (state_t *) this;
+	return FAILED;
+}
+
+/**
+ * Implements state_t.get_state
+ */
+static ike_sa_state_t get_state(private_initiator_init_t *this)
+{
+	return INITIATOR_INIT;
+}
+
+/**
+ * Implements state_t.get_state
+ */
+static status_t destroy(private_initiator_init_t *this)
+{
+	allocator_free(this);
+	return SUCCESS;
+}
+
+/* 
+ * Described in header.
+ */
+initiator_init_t *initiator_init_create()
+{
+	private_initiator_init_t *this = allocator_alloc_thing(private_initiator_init_t);
+	
+	if (this == NULL)
+	{
+		return NULL;
+	}
+
+	/* interface functions */
+	this->public.state_interface.process_message = (status_t (*) (state_t *,message_t *,state_t **)) process_message;
+	this->public.state_interface.get_state = (ike_sa_state_t (*) (state_t *)) get_state;
+	this->public.state_interface.destroy  = (status_t (*) (state_t *)) destroy;
+	
+	/* public functions */
+	this->public.initiate_connection = (status_t (*)(initiator_init_t *, char *, state_t **)) initiate_connection;
+	
+	return &(this->public);
+}

Source/charon/states/initiator_init.h

@@ -0,0 +1,59 @@
+/**
+ * @file initiator_init.h
+ * 
+ * @brief Start state of a IKE_SA as initiator
+ * 
+ */
+
+/*
+ * 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 INITIATOR_INIT_H_
+#define INITIATOR_INIT_H_
+
+#include "state.h"
+
+/**
+ * @brief This class represents an IKE_SA state when initializing
+ * 		  a connection as initiator
+ *
+ */
+typedef struct initiator_init_s initiator_init_t;
+
+struct initiator_init_s {
+	/**
+	 * methods of the state_t interface
+	 */
+	state_t state_interface;
+	
+	/**
+	 * Initiate a new connection with given configuration name
+	 * 
+	 * @param this 			calling object
+	 * @param name 			name of the configuration
+	 * @param new_state		new state if call succeeded
+	 * @return				TODO
+	 */
+	status_t (*initiate_connection) (initiator_init_t *this, char *name, state_t **new_state);	
+};
+
+/**
+ * Constructor of class initiator_init_t
+ */
+initiator_init_t *initiator_init_create();
+
+
+#endif /*INITIATOR_INIT_H_*/

Source/charon/states/responder_init.c

@@ -0,0 +1,84 @@
+/**
+ * @file responder_init.c
+ * 
+ * @brief Start state of a IKE_SA as responder
+ * 
+ */
+
+/*
+ * 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 "responder_init.h"
+
+#include "../utils/allocator.h"
+
+/**
+ * Private data of a responder_init_t object.
+ *
+ */
+typedef struct private_responder_init_s private_responder_init_t;
+struct private_responder_init_s {
+	/**
+	 * methods of the state_t interface
+	 */
+	responder_init_t public;
+	
+};
+
+/**
+ * Implements state_t.get_state
+ */
+static status_t process_message(private_responder_init_t *this, message_t *message, state_t **new_state)
+{
+	*new_state = (state_t *) this;
+	return SUCCESS;
+}
+
+/**
+ * Implements state_t.get_state
+ */
+static ike_sa_state_t get_state(private_responder_init_t *this)
+{
+	return INITIATOR_INIT;
+}
+
+/**
+ * Implements state_t.get_state
+ */
+static status_t destroy(private_responder_init_t *this)
+{
+	allocator_free(this);
+	return SUCCESS;
+}
+
+/* 
+ * Described in header.
+ */
+responder_init_t *responder_init_create()
+{
+	private_responder_init_t *this = allocator_alloc_thing(private_responder_init_t);
+	
+	if (this == NULL)
+	{
+		return NULL;
+	}
+
+	/* interface functions */
+	this->public.state_interface.process_message = (status_t (*) (state_t *,message_t *,state_t **)) process_message;
+	this->public.state_interface.get_state = (ike_sa_state_t (*) (state_t *)) get_state;
+	this->public.state_interface.destroy  = (status_t (*) (state_t *)) destroy;
+	
+	return &(this->public);
+}

Source/charon/states/responder_init.h

@@ -0,0 +1,48 @@
+/**
+ * @file responder_init.h
+ * 
+ * @brief Start state of a IKE_SA as responder
+ * 
+ */
+
+/*
+ * 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 RESPONDER_INIT_H_
+#define RESPONDER_INIT_H_
+
+#include "state.h"
+
+/**
+ * @brief This class represents an IKE_SA state when initializing
+ * 		  a connection as responder
+ *
+ */
+typedef struct responder_init_s responder_init_t;
+
+struct responder_init_s {
+	/**
+	 * methods of the state_t interface
+	 */
+	state_t state_interface;
+
+};
+
+/**
+ * Constructor of class responder_init_t
+ */
+responder_init_t *responder_init_create();
+
+#endif /*RESPONDER_INIT_H_*/

Source/charon/states/state.c

@@ -0,0 +1,37 @@
+/**
+ * @file state.c
+ * 
+ * @brief Interface for a specific IKE_SA state
+ * 
+ */
+
+/*
+ * 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 "state.h"
+
+
+/**
+ * string mappings for ike_sa_state 
+ */
+mapping_t ike_sa_state_m[] = {
+	{INITIATOR_INIT, "INITIATOR_INIT"},
+	{RESPONDER_INIT, "RESPONDER_INIT"},
+	{IKE_SA_INIT_REQUESTED, "IKE_SA_INIT_REQUESTED"},
+	{IKE_SA_INIT_RESPONDED, "IKE_SA_INIT_RESPONDED"},
+	{IKE_AUTH_REQUESTED, "IKE_AUTH_REQUESTED"},
+	{IKE_SA_INITIALIZED, "IKE_SA_INITIALIZED"},
+	{MAPPING_END, NULL}
+};

Source/charon/states/state.h

@@ -0,0 +1,110 @@
+/**
+ * @file state.h
+ * 
+ * @brief Interface for a specific IKE_SA state
+ * 
+ */
+
+/*
+ * 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 STATE_H_
+#define STATE_H_
+
+#include "../definitions.h"
+#include "../types.h"
+#include "../message.h"
+
+/**
+ * States in which a IKE_SA can actually be
+ */
+typedef enum ike_sa_state_e ike_sa_state_t;
+
+enum ike_sa_state_e {
+
+	/**
+	 * IKE_SA is is not in a state as initiator
+	 */
+	INITIATOR_INIT = 1,
+
+	/**
+	 * IKE_SA is is not in a state as responder
+	 */
+	RESPONDER_INIT = 2,
+
+	/**
+	 * A IKE_SA_INIT-message was sent: role initiator
+	 */
+	IKE_SA_INIT_REQUESTED = 3,
+
+	/**
+	 * A IKE_SA_INIT-message was replied: role responder
+	 */
+	IKE_SA_INIT_RESPONDED = 4,
+
+	/**
+	 * An IKE_AUTH-message was sent after a successful
+	 * IKE_SA_INIT-exchange: role initiator
+	 */
+	IKE_AUTH_REQUESTED = 5,
+
+	/**
+	 * An IKE_AUTH-message was replied: role responder.
+	 * In this state, all the informations for an IKE_SA
+	 * and one CHILD_SA are known.
+	 */
+	IKE_SA_INITIALIZED = 6
+};
+
+/**
+ * @brief This interface represents an IKE_SA state
+ *
+ */
+typedef struct state_s state_t;
+
+struct state_s {
+
+	/**
+	 * @brief Processes a incoming IKEv2-Message of type message_t
+	 *
+	 * @param this 			state_t object
+ 	 * @param[in] 			message message_t object to process
+	 * @param this 			state_t pointer to the new state_t object
+	 * @return 				
+	 * 						- SUCCESSFUL if succeeded
+	 * 						- FAILED otherwise
+	 */
+	status_t (*process_message) (state_t *this,message_t *message,state_t **new_state);
+
+
+	/**
+	 * @brief Get the current state
+	 *
+	 * @param this 	state_t object
+	 * @return 		state 
+	 */
+	ike_sa_state_t (*get_state) (state_t *this);
+
+	/**
+	 * @brief Destroys a state_t object
+	 *
+	 * @param this 	state_t object
+	 * @return		SUCCESS in any case
+	 */
+	status_t (*destroy) (state_t *this);
+};
+
+
+#endif /*STATE_H_*/