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/*
* Copyright (C) 2008 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.
*
* $Id$
*/
#include "eap_sim_file_card.h"
typedef struct private_eap_sim_file_card_t private_eap_sim_file_card_t;
/**
* Private data of an eap_sim_file_card_t object.
*/
struct private_eap_sim_file_card_t {
/**
* Public eap_sim_file_card_t interface.
*/
eap_sim_file_card_t public;
/**
* IMSI, is ID_ANY for file implementation
*/
identification_t *imsi;
/**
* source of triplets
*/
eap_sim_file_triplets_t *triplets;
};
#include <daemon.h>
/**
* Implementation of sim_card_t.get_triplet
*/
static bool get_triplet(private_eap_sim_file_card_t *this,
char *rand, char *sres, char *kc)
{
enumerator_t *enumerator;
identification_t *id;
char *c_rand, *c_sres, *c_kc;
DBG1(DBG_CFG, "looking for rand: %b", rand, RAND_LEN);
enumerator = this->triplets->create_enumerator(this->triplets);
while (enumerator->enumerate(enumerator, &id, &c_rand, &c_sres, &c_kc))
{
DBG1(DBG_CFG, "found triplet: %b %b %b", c_rand, RAND_LEN, c_sres, SRES_LEN, c_kc, KC_LEN);
if (memeq(c_rand, rand, RAND_LEN))
{
memcpy(sres, c_sres, SRES_LEN);
memcpy(kc, c_kc, KC_LEN);
enumerator->destroy(enumerator);
return TRUE;
}
}
enumerator->destroy(enumerator);
return FALSE;
}
/**
* Implementation of sim_card_t.get_imsi
*/
static identification_t* get_imsi(private_eap_sim_file_card_t *this)
{
return this->imsi;
}
/**
* Implementation of eap_sim_file_card_t.destroy.
*/
static void destroy(private_eap_sim_file_card_t *this)
{
this->imsi->destroy(this->imsi);
free(this);
}
/**
* See header
*/
eap_sim_file_card_t *eap_sim_file_card_create(eap_sim_file_triplets_t *triplets)
{
private_eap_sim_file_card_t *this = malloc_thing(private_eap_sim_file_card_t);
this->public.card.get_triplet = (bool(*)(sim_card_t*, char *rand, char *sres, char *kc))get_triplet;
this->public.card.get_imsi = (identification_t*(*)(sim_card_t*))get_imsi;
this->public.destroy = (void(*)(eap_sim_file_card_t*))destroy;
/* this SIM card implementation does not have an ID, serve ID_ANY */
this->imsi = identification_create_from_encoding(ID_ANY, chunk_empty);
this->triplets = triplets;
return &this->public;
}
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