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Annotation of embedaddon/strongswan/src/libcharon/plugins/eap_aka_3gpp/eap_aka_3gpp_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:  * Copyright (C) 2015 Thomas Strangert
                     17:  * Polystar System AB, Sweden
                     18:  *
                     19:  * Permission is hereby granted, free of charge, to any person obtaining a copy
                     20:  * of this software and associated documentation files (the "Software"), to deal
                     21:  * in the Software without restriction, including without limitation the rights
                     22:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
                     23:  * copies of the Software, and to permit persons to whom the Software is
                     24:  * furnished to do so, subject to the following conditions:
                     25:  *
                     26:  * The above copyright notice and this permission notice shall be included in
                     27:  * all copies or substantial portions of the Software.
                     28:  *
                     29:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     30:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     31:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
                     32:  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     33:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
                     34:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
                     35:  * THE SOFTWARE.
                     36:  */
                     37: 
                     38: #include "eap_aka_3gpp_plugin.h"
                     39: #include "eap_aka_3gpp_card.h"
                     40: #include "eap_aka_3gpp_provider.h"
                     41: #include "eap_aka_3gpp_functions.h"
                     42: 
                     43: #include <daemon.h>
                     44: 
                     45: typedef struct private_eap_aka_3gpp_t private_eap_aka_3gpp_t;
                     46: 
                     47: /**
                     48:  * Private data of an eap_aka_3gpp_t object.
                     49:  */
                     50: struct private_eap_aka_3gpp_t {
                     51: 
                     52:        /**
                     53:         * Public eap_aka_3gpp_plugin_t interface.
                     54:         */
                     55:        eap_aka_3gpp_plugin_t public;
                     56: 
                     57:        /**
                     58:         * USIM/EAP-AKA card
                     59:         */
                     60:        eap_aka_3gpp_card_t *card;
                     61: 
                     62:        /**
                     63:         * EAP-AKA provider
                     64:         */
                     65:        eap_aka_3gpp_provider_t *provider;
                     66: 
                     67:        /**
                     68:         * AKA functions
                     69:         */
                     70:        eap_aka_3gpp_functions_t *functions;
                     71: };
                     72: 
                     73: METHOD(plugin_t, get_name, char*,
                     74:        private_eap_aka_3gpp_t *this)
                     75: {
                     76:        return "eap-aka-3gpp";
                     77: }
                     78: 
                     79: /**
                     80:  * Try to instantiate ea_aka_3gpp functions and card/provider backends
                     81:  */
                     82: static bool register_functions(private_eap_aka_3gpp_t *this,
                     83:                                                           plugin_feature_t *feature, bool reg, void *data)
                     84: {
                     85:        if (reg)
                     86:        {
                     87:                this->functions = eap_aka_3gpp_functions_create();
                     88:                if (!this->functions)
                     89:                {
                     90:                        return FALSE;
                     91:                }
                     92:                this->card = eap_aka_3gpp_card_create(this->functions);
                     93:                this->provider = eap_aka_3gpp_provider_create(this->functions);
                     94:                return TRUE;
                     95:        }
                     96:        this->card->destroy(this->card);
                     97:        this->provider->destroy(this->provider);
                     98:        this->functions->destroy(this->functions);
                     99:        this->card = NULL;
                    100:        this->provider = NULL;
                    101:        this->functions = NULL;
                    102:        return TRUE;
                    103: }
                    104: 
                    105: /**
                    106:  * Callback providing our card to register
                    107:  */
                    108: static simaka_card_t* get_card(private_eap_aka_3gpp_t *this)
                    109: {
                    110:        return &this->card->card;
                    111: }
                    112: 
                    113: /**
                    114:  * Callback providing our provider to register
                    115:  */
                    116: static simaka_provider_t* get_provider(private_eap_aka_3gpp_t *this)
                    117: {
                    118:        return &this->provider->provider;
                    119: }
                    120: 
                    121: METHOD(plugin_t, get_features, int,
                    122:        private_eap_aka_3gpp_t *this, plugin_feature_t *features[])
                    123: {
                    124:        static plugin_feature_t f[] = {
                    125:                PLUGIN_CALLBACK((void*)register_functions, NULL),
                    126:                        PLUGIN_PROVIDE(CUSTOM, "eap-aka-3gpp-functions"),
                    127:                                PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 16),
                    128:                PLUGIN_CALLBACK(simaka_manager_register, get_card),
                    129:                        PLUGIN_PROVIDE(CUSTOM, "aka-card"),
                    130:                                PLUGIN_DEPENDS(CUSTOM, "aka-manager"),
                    131:                                PLUGIN_DEPENDS(CUSTOM, "eap-aka-3gpp-functions"),
                    132:                PLUGIN_CALLBACK(simaka_manager_register, get_provider),
                    133:                        PLUGIN_PROVIDE(CUSTOM, "aka-provider"),
                    134:                                PLUGIN_DEPENDS(CUSTOM, "aka-manager"),
                    135:                                PLUGIN_DEPENDS(CUSTOM, "eap-aka-3gpp-functions"),
                    136:        };
                    137:        *features = f;
                    138:        return countof(f);
                    139: }
                    140: 
                    141: METHOD(plugin_t, destroy, void, private_eap_aka_3gpp_t *this)
                    142: {
                    143:        free(this);
                    144: }
                    145: 
                    146: /**
                    147:  * See header
                    148:  */
                    149: plugin_t *eap_aka_3gpp_plugin_create()
                    150: {
                    151:        private_eap_aka_3gpp_t *this;
                    152: 
                    153:        INIT(this,
                    154:                .public = {
                    155:                        .plugin = {
                    156:                                .get_name = _get_name,
                    157:                                .get_features = _get_features,
                    158:                                .destroy = _destroy,
                    159:                        },
                    160:                },
                    161:        );
                    162: 
                    163:        return &this->public.plugin;
                    164: }