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Annotation of embedaddon/strongswan/src/libcharon/plugins/eap_simaka_pseudonym/eap_simaka_pseudonym_card.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2016 Tobias Brunner
                      3:  * Copyright (C) 2009 Martin Willi
                      4:  * HSR Hochschule fuer Technik Rapperswil
                      5:  *
                      6:  * This program is free software; you can redistribute it and/or modify it
                      7:  * under the terms of the GNU General Public License as published by the
                      8:  * Free Software Foundation; either version 2 of the License, or (at your
                      9:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                     10:  *
                     11:  * This program is distributed in the hope that it will be useful, but
                     12:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     13:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     14:  * for more details.
                     15:  */
                     16: 
                     17: #include "eap_simaka_pseudonym_card.h"
                     18: 
                     19: #include <daemon.h>
                     20: #include <collections/hashtable.h>
                     21: 
                     22: typedef struct private_eap_simaka_pseudonym_card_t private_eap_simaka_pseudonym_card_t;
                     23: 
                     24: /**
                     25:  * Private data of an eap_simaka_pseudonym_card_t object.
                     26:  */
                     27: struct private_eap_simaka_pseudonym_card_t {
                     28: 
                     29:        /**
                     30:         * Public eap_simaka_pseudonym_card_t interface.
                     31:         */
                     32:        eap_simaka_pseudonym_card_t public;
                     33: 
                     34:        /**
                     35:         * Permanent -> pseudonym mappings (entry_t*)
                     36:         */
                     37:        hashtable_t *pseudonym;
                     38: };
                     39: 
                     40: /**
                     41:  * Mapping between real and pseudonym identity
                     42:  */
                     43: typedef struct {
                     44: 
                     45:        /** Real identity */
                     46:        identification_t *id;
                     47: 
                     48:        /** Pseudonym */
                     49:        identification_t *pseudonym;
                     50: 
                     51: } entry_t;
                     52: 
                     53: static void destroy_entry(entry_t *this)
                     54: {
                     55:        this->id->destroy(this->id);
                     56:        this->pseudonym->destroy(this->pseudonym);
                     57:        free(this);
                     58: }
                     59: 
                     60: /**
                     61:  * hashtable hash function
                     62:  */
                     63: static u_int hash(identification_t *key)
                     64: {
                     65:        return chunk_hash(key->get_encoding(key));
                     66: }
                     67: 
                     68: /**
                     69:  * hashtable equals function
                     70:  */
                     71: static bool equals(identification_t *key1, identification_t *key2)
                     72: {
                     73:        return key1->equals(key1, key2);
                     74: }
                     75: 
                     76: METHOD(simaka_card_t, get_pseudonym, identification_t*,
                     77:        private_eap_simaka_pseudonym_card_t *this, identification_t *id)
                     78: {
                     79:        entry_t *entry;
                     80: 
                     81:        entry = this->pseudonym->get(this->pseudonym, id);
                     82:        if (entry)
                     83:        {
                     84:                return entry->pseudonym->clone(entry->pseudonym);
                     85:        }
                     86:        return NULL;
                     87: }
                     88: 
                     89: METHOD(simaka_card_t, set_pseudonym, void,
                     90:        private_eap_simaka_pseudonym_card_t *this, identification_t *id,
                     91:        identification_t *pseudonym)
                     92: {
                     93:        entry_t *entry;
                     94: 
                     95:        INIT(entry,
                     96:                .id = id->clone(id),
                     97:                .pseudonym = pseudonym->clone(pseudonym),
                     98:        );
                     99:        entry = this->pseudonym->put(this->pseudonym, entry->id, entry);
                    100:        if (entry)
                    101:        {
                    102:                destroy_entry(entry);
                    103:        }
                    104: }
                    105: 
                    106: METHOD(simaka_card_t, get_quintuplet, status_t,
                    107:        private_eap_simaka_pseudonym_card_t *this, identification_t *id,
                    108:        char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN],
                    109:        char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len)
                    110: {
                    111:        return NOT_SUPPORTED;
                    112: }
                    113: 
                    114: METHOD(eap_simaka_pseudonym_card_t, destroy, void,
                    115:        private_eap_simaka_pseudonym_card_t *this)
                    116: {
                    117:        this->pseudonym->destroy_function(this->pseudonym, (void*)destroy_entry);
                    118:        free(this);
                    119: }
                    120: 
                    121: /**
                    122:  * See header
                    123:  */
                    124: eap_simaka_pseudonym_card_t *eap_simaka_pseudonym_card_create()
                    125: {
                    126:        private_eap_simaka_pseudonym_card_t *this;
                    127: 
                    128:        INIT(this,
                    129:                .public = {
                    130:                        .card = {
                    131:                                .get_triplet = (void*)return_false,
                    132:                                .get_quintuplet = _get_quintuplet,
                    133:                                .resync = (void*)return_false,
                    134:                                .get_pseudonym = _get_pseudonym,
                    135:                                .set_pseudonym = _set_pseudonym,
                    136:                                .get_reauth = (void*)return_null,
                    137:                                .set_reauth = (void*)nop,
                    138:                        },
                    139:                        .destroy = _destroy,
                    140:                },
                    141:                .pseudonym = hashtable_create((void*)hash, (void*)equals, 0),
                    142:        );
                    143:        return &this->public;
                    144: }