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Annotation of embedaddon/strongswan/src/libcharon/plugins/uci/uci_plugin.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2008 Thomas Kallenberg
                      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 "uci_plugin.h"
                     17: #include "uci_config.h"
                     18: #include "uci_creds.h"
                     19: #include "uci_control.h"
                     20: 
                     21: #include <daemon.h>
                     22: 
                     23: /**
                     24:  * UCI package name to use for lookups
                     25:  */
                     26: #define UCI_PACKAGE "strongswan"
                     27: 
                     28: typedef struct private_uci_plugin_t private_uci_plugin_t;
                     29: 
                     30: /**
                     31:  * private data of uci plugin
                     32:  */
                     33: struct private_uci_plugin_t {
                     34: 
                     35:        /**
                     36:         * implements plugin interface
                     37:         */
                     38:        uci_plugin_t public;
                     39: 
                     40:        /**
                     41:         * UCI configuration backend
                     42:         */
                     43:        uci_config_t *config;
                     44: 
                     45:        /**
                     46:         * UCI credential set implementation
                     47:         */
                     48:        uci_creds_t *creds;
                     49: 
                     50:        /**
                     51:         * UCI parser wrapper
                     52:         */
                     53:        uci_parser_t *parser;
                     54: 
                     55:        /**
                     56:         * UCI control interface
                     57:         */
                     58:        uci_control_t *control;
                     59: };
                     60: 
                     61: METHOD(plugin_t, get_name, char*,
                     62:        private_uci_plugin_t *this)
                     63: {
                     64:        return "uci";
                     65: }
                     66: 
                     67: /**
                     68:  * Register backend
                     69:  */
                     70: static bool plugin_cb(private_uci_plugin_t *this,
                     71:                                          plugin_feature_t *feature, bool reg, void *cb_data)
                     72: {
                     73:        if (reg)
                     74:        {
                     75:                charon->backends->add_backend(charon->backends, &this->config->backend);
                     76:                lib->credmgr->add_set(lib->credmgr, &this->creds->credential_set);
                     77:        }
                     78:        else
                     79:        {
                     80:                charon->backends->remove_backend(charon->backends,
                     81:                                                                                 &this->config->backend);
                     82:                lib->credmgr->remove_set(lib->credmgr, &this->creds->credential_set);
                     83:        }
                     84:        return TRUE;
                     85: }
                     86: 
                     87: METHOD(plugin_t, get_features, int,
                     88:        private_uci_plugin_t *this, plugin_feature_t *features[])
                     89: {
                     90:        static plugin_feature_t f[] = {
                     91:                PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
                     92:                        PLUGIN_PROVIDE(CUSTOM, "uci"),
                     93:        };
                     94:        *features = f;
                     95:        return countof(f);
                     96: }
                     97: 
                     98: METHOD(plugin_t, destroy, void,
                     99:        private_uci_plugin_t *this)
                    100: {
                    101:        this->config->destroy(this->config);
                    102:        this->creds->destroy(this->creds);
                    103:        this->parser->destroy(this->parser);
                    104:        this->control->destroy(this->control);
                    105:        free(this);
                    106: }
                    107: 
                    108: /*
                    109:  * see header file
                    110:  */
                    111: plugin_t *uci_plugin_create()
                    112: {
                    113:        private_uci_plugin_t *this;
                    114: 
                    115:        INIT(this,
                    116:                .public = {
                    117:                        .plugin = {
                    118:                                .get_name = _get_name,
                    119:                                .get_features = _get_features,
                    120:                                .destroy = _destroy,
                    121:                        },
                    122:                },
                    123:                .parser = uci_parser_create(UCI_PACKAGE),
                    124:                .control = uci_control_create(),
                    125:        );
                    126:        this->config = uci_config_create(this->parser);
                    127:        this->creds = uci_creds_create(this->parser);
                    128: 
                    129:        return &this->public.plugin;
                    130: }