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Annotation of embedaddon/strongswan/src/libcharon/plugins/unity/unity_plugin.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2012 Martin Willi
        !             3:  * Copyright (C) 2012 revosec AG
        !             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 "unity_plugin.h"
        !            17: #include "unity_handler.h"
        !            18: #include "unity_narrow.h"
        !            19: #include "unity_provider.h"
        !            20: 
        !            21: #include <daemon.h>
        !            22: 
        !            23: typedef struct private_unity_plugin_t private_unity_plugin_t;
        !            24: 
        !            25: /**
        !            26:  * private data of unity_plugin
        !            27:  */
        !            28: struct private_unity_plugin_t {
        !            29: 
        !            30:        /**
        !            31:         * public functions
        !            32:         */
        !            33:        unity_plugin_t public;
        !            34: 
        !            35:        /**
        !            36:         * Handler for UNITY configuration attributes
        !            37:         */
        !            38:        unity_handler_t *handler;
        !            39: 
        !            40:        /**
        !            41:         * Responder Unity configuration attribute provider
        !            42:         */
        !            43:        unity_provider_t *provider;
        !            44: 
        !            45:        /**
        !            46:         * Traffic selector narrower, for Unity Split-Includes
        !            47:         */
        !            48:        unity_narrow_t *narrower;
        !            49: };
        !            50: 
        !            51: METHOD(plugin_t, get_name, char*,
        !            52:        private_unity_plugin_t *this)
        !            53: {
        !            54:        return "unity";
        !            55: }
        !            56: 
        !            57: /**
        !            58:  * Register listener
        !            59:  */
        !            60: static bool plugin_cb(private_unity_plugin_t *this,
        !            61:                                          plugin_feature_t *feature, bool reg, void *cb_data)
        !            62: {
        !            63:        if (reg)
        !            64:        {
        !            65:                charon->attributes->add_handler(charon->attributes,
        !            66:                                                                                &this->handler->handler);
        !            67:                charon->attributes->add_provider(charon->attributes,
        !            68:                                                                                 &this->provider->provider);
        !            69:                charon->bus->add_listener(charon->bus, &this->narrower->listener);
        !            70:        }
        !            71:        else
        !            72:        {
        !            73:                charon->bus->remove_listener(charon->bus, &this->narrower->listener);
        !            74:                charon->attributes->remove_handler(charon->attributes,
        !            75:                                                                                   &this->handler->handler);
        !            76:                charon->attributes->remove_provider(charon->attributes,
        !            77:                                                                                        &this->provider->provider);
        !            78: 
        !            79:        }
        !            80:        return TRUE;
        !            81: }
        !            82: 
        !            83: METHOD(plugin_t, get_features, int,
        !            84:        private_unity_plugin_t *this, plugin_feature_t *features[])
        !            85: {
        !            86:        static plugin_feature_t f[] = {
        !            87:                PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
        !            88:                        PLUGIN_PROVIDE(CUSTOM, "unity"),
        !            89:        };
        !            90:        *features = f;
        !            91:        return countof(f);
        !            92: }
        !            93: 
        !            94: METHOD(plugin_t, destroy, void,
        !            95:        private_unity_plugin_t *this)
        !            96: {
        !            97:        this->narrower->destroy(this->narrower);
        !            98:        this->handler->destroy(this->handler);
        !            99:        this->provider->destroy(this->provider);
        !           100:        free(this);
        !           101: }
        !           102: 
        !           103: /*
        !           104:  * see header file
        !           105:  */
        !           106: plugin_t *unity_plugin_create()
        !           107: {
        !           108:        private_unity_plugin_t *this;
        !           109: 
        !           110:        INIT(this,
        !           111:                .public = {
        !           112:                        .plugin = {
        !           113:                                .get_name = _get_name,
        !           114:                                .get_features = _get_features,
        !           115:                                .destroy = _destroy,
        !           116:                        },
        !           117:                },
        !           118:                .handler = unity_handler_create(),
        !           119:                .provider = unity_provider_create(),
        !           120:        );
        !           121:        this->narrower = unity_narrow_create(this->handler);
        !           122: 
        !           123:        return &this->public.plugin;
        !           124: }