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Annotation of embedaddon/strongswan/src/libcharon/plugins/eap_aka_3gpp2/eap_aka_3gpp2_plugin.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2008-2009 Martin Willi
                      3:  * HSR Hochschule fuer Technik Rapperswil
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: #include "eap_aka_3gpp2_plugin.h"
                     17: #include "eap_aka_3gpp2_card.h"
                     18: #include "eap_aka_3gpp2_provider.h"
                     19: #include "eap_aka_3gpp2_functions.h"
                     20: 
                     21: #include <daemon.h>
                     22: 
                     23: typedef struct private_eap_aka_3gpp2_t private_eap_aka_3gpp2_t;
                     24: 
                     25: /**
                     26:  * Private data of an eap_aka_3gpp2_t object.
                     27:  */
                     28: struct private_eap_aka_3gpp2_t {
                     29: 
                     30:        /**
                     31:         * Public eap_aka_3gpp2_plugin_t interface.
                     32:         */
                     33:        eap_aka_3gpp2_plugin_t public;
                     34: 
                     35:        /**
                     36:         * SIM card
                     37:         */
                     38:        eap_aka_3gpp2_card_t *card;
                     39: 
                     40:        /**
                     41:         * SIM provider
                     42:         */
                     43:        eap_aka_3gpp2_provider_t *provider;
                     44: 
                     45:        /**
                     46:         * AKA functions
                     47:         */
                     48:        eap_aka_3gpp2_functions_t *functions;
                     49: };
                     50: 
                     51: METHOD(plugin_t, get_name, char*,
                     52:        private_eap_aka_3gpp2_t *this)
                     53: {
                     54:        return "eap-aka-3gpp2";
                     55: }
                     56: 
                     57: /**
                     58:  * Try to instantiate 3gpp2 functions and card/provider backends
                     59:  */
                     60: static bool register_functions(private_eap_aka_3gpp2_t *this,
                     61:                                                           plugin_feature_t *feature, bool reg, void *data)
                     62: {
                     63:        if (reg)
                     64:        {
                     65:                this->functions = eap_aka_3gpp2_functions_create();
                     66:                if (!this->functions)
                     67:                {
                     68:                        return FALSE;
                     69:                }
                     70:                this->card = eap_aka_3gpp2_card_create(this->functions);
                     71:                this->provider = eap_aka_3gpp2_provider_create(this->functions);
                     72:                return TRUE;
                     73:        }
                     74:        this->card->destroy(this->card);
                     75:        this->provider->destroy(this->provider);
                     76:        this->functions->destroy(this->functions);
                     77:        this->card = NULL;
                     78:        this->provider = NULL;
                     79:        this->functions = NULL;
                     80:        return TRUE;
                     81: }
                     82: 
                     83: /**
                     84:  * Callback providing our card to register
                     85:  */
                     86: static simaka_card_t* get_card(private_eap_aka_3gpp2_t *this)
                     87: {
                     88:        return &this->card->card;
                     89: }
                     90: 
                     91: /**
                     92:  * Callback providing our provider to register
                     93:  */
                     94: static simaka_provider_t* get_provider(private_eap_aka_3gpp2_t *this)
                     95: {
                     96:        return &this->provider->provider;
                     97: }
                     98: 
                     99: METHOD(plugin_t, get_features, int,
                    100:        private_eap_aka_3gpp2_t *this, plugin_feature_t *features[])
                    101: {
                    102:        static plugin_feature_t f[] = {
                    103:                PLUGIN_CALLBACK((void*)register_functions, NULL),
                    104:                        PLUGIN_PROVIDE(CUSTOM, "eap-aka-3gpp2-functions"),
                    105:                                PLUGIN_DEPENDS(PRF, PRF_KEYED_SHA1),
                    106:                PLUGIN_CALLBACK(simaka_manager_register, get_card),
                    107:                        PLUGIN_PROVIDE(CUSTOM, "aka-card"),
                    108:                                PLUGIN_DEPENDS(CUSTOM, "aka-manager"),
                    109:                                PLUGIN_DEPENDS(CUSTOM, "eap-aka-3gpp2-functions"),
                    110:                PLUGIN_CALLBACK(simaka_manager_register, get_provider),
                    111:                        PLUGIN_PROVIDE(CUSTOM, "aka-provider"),
                    112:                                PLUGIN_DEPENDS(CUSTOM, "aka-manager"),
                    113:                                PLUGIN_DEPENDS(CUSTOM, "eap-aka-3gpp2-functions"),
                    114:        };
                    115:        *features = f;
                    116:        return countof(f);
                    117: }
                    118: 
                    119: METHOD(plugin_t, destroy, void,
                    120:        private_eap_aka_3gpp2_t *this)
                    121: {
                    122:        free(this);
                    123: }
                    124: 
                    125: /**
                    126:  * See header
                    127:  */
                    128: plugin_t *eap_aka_3gpp2_plugin_create()
                    129: {
                    130:        private_eap_aka_3gpp2_t *this;
                    131: 
                    132:        INIT(this,
                    133:                .public = {
                    134:                        .plugin = {
                    135:                                .get_name = _get_name,
                    136:                                .get_features = _get_features,
                    137:                                .destroy = _destroy,
                    138:                        },
                    139:                },
                    140:        );
                    141: 
                    142:        return &this->public.plugin;
                    143: }
                    144: