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Annotation of embedaddon/strongswan/src/libcharon/plugins/resolve/resolve_plugin.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 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 "resolve_plugin.h"
                     17: #include "resolve_handler.h"
                     18: 
                     19: #include <daemon.h>
                     20: 
                     21: typedef struct private_resolve_plugin_t private_resolve_plugin_t;
                     22: 
                     23: /**
                     24:  * private data of resolve plugin
                     25:  */
                     26: struct private_resolve_plugin_t {
                     27: 
                     28:        /**
                     29:         * implements plugin interface
                     30:         */
                     31:        resolve_plugin_t public;
                     32: 
                     33:        /**
                     34:         * The registered DNS attribute handler
                     35:         */
                     36:        resolve_handler_t *handler;
                     37: };
                     38: 
                     39: METHOD(plugin_t, get_name, char*,
                     40:        private_resolve_plugin_t *this)
                     41: {
                     42:        return "resolve";
                     43: }
                     44: 
                     45: /**
                     46:  * Register handler
                     47:  */
                     48: static bool plugin_cb(private_resolve_plugin_t *this,
                     49:                                          plugin_feature_t *feature, bool reg, void *cb_data)
                     50: {
                     51:        if (reg)
                     52:        {
                     53:                charon->attributes->add_handler(charon->attributes,
                     54:                                                                                &this->handler->handler);
                     55:        }
                     56:        else
                     57:        {
                     58:                charon->attributes->remove_handler(charon->attributes,
                     59:                                                                                   &this->handler->handler);
                     60:        }
                     61:        return TRUE;
                     62: }
                     63: 
                     64: METHOD(plugin_t, get_features, int,
                     65:        private_resolve_plugin_t *this, plugin_feature_t *features[])
                     66: {
                     67:        static plugin_feature_t f[] = {
                     68:                PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
                     69:                        PLUGIN_PROVIDE(CUSTOM, "resolve"),
                     70:        };
                     71:        *features = f;
                     72:        return countof(f);
                     73: }
                     74: 
                     75: METHOD(plugin_t, destroy, void,
                     76:        private_resolve_plugin_t *this)
                     77: {
                     78:        this->handler->destroy(this->handler);
                     79:        free(this);
                     80: }
                     81: 
                     82: /*
                     83:  * see header file
                     84:  */
                     85: plugin_t *resolve_plugin_create()
                     86: {
                     87:        private_resolve_plugin_t *this;
                     88: 
                     89:        INIT(this,
                     90:                .public = {
                     91:                        .plugin = {
                     92:                                .get_name = _get_name,
                     93:                                .get_features = _get_features,
                     94:                                .destroy = _destroy,
                     95:                        },
                     96:                },
                     97:                .handler = resolve_handler_create(),
                     98:        );
                     99: 
                    100:        return &this->public.plugin;
                    101: }