--- /dev/null
+/*
+ * Copyright (C) 2008-2009 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 "usim_manager.h"
+
+#include <utils/linked_list.h>
+
+typedef struct private_usim_manager_t private_usim_manager_t;
+
+/**
+ * Private data of an usim_manager_t object.
+ */
+struct private_usim_manager_t {
+
+ /**
+ * Public usim_manager_t interface.
+ */
+ usim_manager_t public;
+
+ /**
+ * list of added cards
+ */
+ linked_list_t *cards;
+
+ /**
+ * list of added provider
+ */
+ linked_list_t *provider;
+};
+
+/**
+ * Implementation of usim_manager_t.add_card
+ */
+static void add_card(private_usim_manager_t *this, usim_card_t *card)
+{
+ this->cards->insert_last(this->cards, card);
+}
+
+/**
+ * Implementation of usim_manager_t.remove_card
+ */
+static void remove_card(private_usim_manager_t *this, usim_card_t *card)
+{
+ this->cards->remove(this->cards, card, NULL);
+}
+
+/**
+ * Implementation of usim_manager_t.create_card_enumerator
+ */
+static enumerator_t* create_card_enumerator(private_usim_manager_t *this)
+{
+ return this->cards->create_enumerator(this->cards);
+}
+
+/**
+ * Implementation of usim_manager_t.add_provider
+ */
+static void add_provider(private_usim_manager_t *this,
+ usim_provider_t *provider)
+{
+ this->provider->insert_last(this->provider, provider);
+}
+
+/**
+ * Implementation of usim_manager_t.remove_provider
+ */
+static void remove_provider(private_usim_manager_t *this,
+ usim_provider_t *provider)
+{
+ this->provider->remove(this->provider, provider, NULL);
+}
+
+/**
+ * Implementation of usim_manager_t.create_provider_enumerator
+ */
+static enumerator_t* create_provider_enumerator(private_usim_manager_t *this)
+{
+ return this->provider->create_enumerator(this->provider);
+}
+
+/**
+ * Implementation of usim_manager_t.destroy.
+ */
+static void destroy(private_usim_manager_t *this)
+{
+ this->cards->destroy(this->cards);
+ this->provider->destroy(this->provider);
+ free(this);
+}
+
+/**
+ * See header
+ */
+usim_manager_t *usim_manager_create()
+{
+ private_usim_manager_t *this = malloc_thing(private_usim_manager_t);
+
+ this->public.add_card = (void(*)(usim_manager_t*, usim_card_t *card))add_card;
+ this->public.remove_card = (void(*)(usim_manager_t*, usim_card_t *card))remove_card;
+ this->public.create_card_enumerator = (enumerator_t*(*)(usim_manager_t*))create_card_enumerator;
+ this->public.add_provider = (void(*)(usim_manager_t*, usim_provider_t *provider))add_provider;
+ this->public.remove_provider = (void(*)(usim_manager_t*, usim_provider_t *provider))remove_provider;
+ this->public.create_provider_enumerator = (enumerator_t*(*)(usim_manager_t*))create_provider_enumerator;
+ this->public.destroy = (void(*)(usim_manager_t*))destroy;
+
+ this->cards = linked_list_create();
+ this->provider = linked_list_create();
+
+ return &this->public;
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2008-2009 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.
+ */
+
+/**
+ * @defgroup usim_manager usim_manager
+ * @{ @ingroup eap
+ */
+
+#ifndef USIM_MANAGER_H_
+#define USIM_MANAGER_H_
+
+#include <utils/identification.h>
+#include <utils/enumerator.h>
+
+typedef struct usim_manager_t usim_manager_t;
+typedef struct usim_card_t usim_card_t;
+typedef struct usim_provider_t usim_provider_t;
+
+/**
+ * Interface for a USIM card (used by EAP-AKA client).
+ */
+struct usim_provider_t {
+
+ /**
+ * Create a challenge for AKA authentication.
+ *
+ * @param imsi peer identity to create challenge for
+ * @param rand buffer receiving random value rand
+ * @param xres buffer receiving expected authentication result xres
+ * @param ck buffer receiving encryption key ck
+ * @param ik buffer receiving integrity key ik
+ * @param autn authentication token autn
+ * @return TRUE if quintuplet generated successfully
+ */
+ bool (*get_quintuplet)(usim_provider_t *this, identification_t *imsi,
+ char rand[16], char xres[16],
+ char ck[16], char ik[16], char autn[16]);
+
+ /**
+ * Process resynchroniusation request of a peer.
+ *
+ * @param imsi peer identity requesting resynchronisation
+ * @param rand random value rand
+ * @param auts synchronization parameter auts
+ * @return TRUE if resynchronized successfully
+ */
+ bool (*resync)(usim_provider_t *this, identification_t *imsi,
+ char rand[16], char auts[16]);
+};
+
+/**
+ * Interface for a quintuplet provider (used by EAP-AKA server).
+ */
+struct usim_card_t {
+
+ /**
+ * Get the IMSI of this USIM.
+ *
+ * @return IMSI this USIM belongs to
+ */
+ identification_t *(*get_imsi)(usim_card_t *this);
+
+ /**
+ * Process authentication data and complete the quintuplet.
+ *
+ * If the received sequence number (in autn) is out of synf, INVALID_STATE
+ * is returned.
+ *
+ * @param rand random value rand
+ * @param autn authentication token autn
+ * @param ck buffer receiving encryption key ck
+ * @param ik buffer receiving integrity key ik
+ * @param res buffer receiving authentication result res
+ * @return SUCCESS, FAILED, or INVALID_STATE if out of sync
+ */
+ status_t (*get_quintuplet)(usim_card_t *this, char rand[16], char autn[16],
+ char ck[16], char ik[16], char res[16]);
+
+ /**
+ * Request parameter to start resynchronization.
+ *
+ * @param in random value rand
+ * @param auts resynchronization parameter auts
+ * @return TRUE if parameter generated successfully
+ */
+ bool (*resync)(usim_card_t *this, char rand[16], char auts[16]);
+};
+
+/**
+ * The EAP-AKA USIM manager handles multiple USIM cards and providers.
+ */
+struct usim_manager_t {
+
+ /**
+ * Register a USIM card (client) at the manager.
+ *
+ * @param card usim card to register
+ */
+ void (*add_card)(usim_manager_t *this, usim_card_t *card);
+
+ /**
+ * Unregister a previously registered card from the manager.
+ *
+ * @param card usim card to unregister
+ */
+ void (*remove_card)(usim_manager_t *this, usim_card_t *card);
+
+ /**
+ * Create an enumerator over all registered cards.
+ *
+ * @return enumerator over usim_card_t's
+ */
+ enumerator_t* (*create_card_enumerator)(usim_manager_t *this);
+
+ /**
+ * Register a triplet provider (server) at the manager.
+ *
+ * @param card usim card to register
+ */
+ void (*add_provider)(usim_manager_t *this, usim_provider_t *provider);
+
+ /**
+ * Unregister a previously registered provider from the manager.
+ *
+ * @param card usim card to unregister
+ */
+ void (*remove_provider)(usim_manager_t *this, usim_provider_t *provider);
+
+ /**
+ * Create an enumerator over all registered provider.
+ *
+ * @return enumerator over Usim_provider_t's
+ */
+ enumerator_t* (*create_provider_enumerator)(usim_manager_t *this);
+
+ /**
+ * Destroy a manager instance.
+ */
+ void (*destroy)(usim_manager_t *this);
+};
+
+/**
+ * Create an USIM manager to handle multiple USIM cards/providers.
+ *
+ * @return usim_t object
+ */
+usim_manager_t *usim_manager_create();
+
+#endif /** USIM_MANAGER_H_ @}*/
projects / thirdparty / strongswan.git / commitdiff
