145 lines
3.3 KiB
C
145 lines
3.3 KiB
C
/*
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* Copyright (C) 2016 Tobias Brunner
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* Copyright (C) 2009 Martin Willi
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "eap_simaka_pseudonym_card.h"
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#include <daemon.h>
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#include <collections/hashtable.h>
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typedef struct private_eap_simaka_pseudonym_card_t private_eap_simaka_pseudonym_card_t;
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/**
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* Private data of an eap_simaka_pseudonym_card_t object.
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*/
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struct private_eap_simaka_pseudonym_card_t {
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/**
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* Public eap_simaka_pseudonym_card_t interface.
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*/
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eap_simaka_pseudonym_card_t public;
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/**
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* Permanent -> pseudonym mappings (entry_t*)
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*/
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hashtable_t *pseudonym;
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};
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/**
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* Mapping between real and pseudonym identity
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*/
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typedef struct {
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/** Real identity */
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identification_t *id;
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/** Pseudonym */
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identification_t *pseudonym;
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} entry_t;
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static void destroy_entry(entry_t *this)
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{
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this->id->destroy(this->id);
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this->pseudonym->destroy(this->pseudonym);
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free(this);
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}
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/**
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* hashtable hash function
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*/
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static u_int hash(identification_t *key)
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{
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return chunk_hash(key->get_encoding(key));
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}
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/**
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* hashtable equals function
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*/
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static bool equals(identification_t *key1, identification_t *key2)
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{
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return key1->equals(key1, key2);
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}
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METHOD(simaka_card_t, get_pseudonym, identification_t*,
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private_eap_simaka_pseudonym_card_t *this, identification_t *id)
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{
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entry_t *entry;
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entry = this->pseudonym->get(this->pseudonym, id);
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if (entry)
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{
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return entry->pseudonym->clone(entry->pseudonym);
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}
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return NULL;
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}
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METHOD(simaka_card_t, set_pseudonym, void,
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private_eap_simaka_pseudonym_card_t *this, identification_t *id,
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identification_t *pseudonym)
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{
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entry_t *entry;
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INIT(entry,
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.id = id->clone(id),
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.pseudonym = pseudonym->clone(pseudonym),
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);
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entry = this->pseudonym->put(this->pseudonym, entry->id, entry);
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if (entry)
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{
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destroy_entry(entry);
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}
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}
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METHOD(simaka_card_t, get_quintuplet, status_t,
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private_eap_simaka_pseudonym_card_t *this, identification_t *id,
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char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN],
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char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len)
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{
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return NOT_SUPPORTED;
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}
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METHOD(eap_simaka_pseudonym_card_t, destroy, void,
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private_eap_simaka_pseudonym_card_t *this)
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{
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this->pseudonym->destroy_function(this->pseudonym, (void*)destroy_entry);
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free(this);
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}
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/**
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* See header
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*/
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eap_simaka_pseudonym_card_t *eap_simaka_pseudonym_card_create()
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{
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private_eap_simaka_pseudonym_card_t *this;
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INIT(this,
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.public = {
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.card = {
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.get_triplet = (void*)return_false,
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.get_quintuplet = _get_quintuplet,
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.resync = (void*)return_false,
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.get_pseudonym = _get_pseudonym,
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.set_pseudonym = _set_pseudonym,
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.get_reauth = (void*)return_null,
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.set_reauth = (void*)nop,
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},
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.destroy = _destroy,
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},
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.pseudonym = hashtable_create((void*)hash, (void*)equals, 0),
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);
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return &this->public;
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}
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