src/libcharon/plugins/medsrv/medsrv_plugin.c

   1 /*
   2  * Copyright (C) 2008 Martin Willi
   3  * 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 "medsrv_plugin.h"
  17
  18 #include "medsrv_creds.h"
  19 #include "medsrv_config.h"
  20
  21 #include <daemon.h>
  22
  23 typedef struct private_medsrv_plugin_t private_medsrv_plugin_t;
  24
  25 /**
  26  * private data of medsrv plugin
  27  */
  28 struct private_medsrv_plugin_t {
  29
  30         /**
  31          * implements plugin interface
  32          */
  33         medsrv_plugin_t public;
  34
  35         /**
  36          * database connection instance
  37          */
  38         database_t *db;
  39
  40         /**
  41          * medsrv credential set instance
  42          */
  43         medsrv_creds_t *creds;
  44
  45         /**
  46          * medsrv config database
  47          */
  48         medsrv_config_t *config;
  49 };
  50
  51 METHOD(plugin_t, get_name, char*,
  52         private_medsrv_plugin_t *this)
  53 {
  54         return "medsrv";
  55 }
  56
  57 METHOD(plugin_t, destroy, void,
  58         private_medsrv_plugin_t *this)
  59 {
  60         charon->backends->remove_backend(charon->backends, &this->config->backend);
  61         lib->credmgr->remove_set(lib->credmgr, &this->creds->set);
  62         this->config->destroy(this->config);
  63         this->creds->destroy(this->creds);
  64         this->db->destroy(this->db);
  65         free(this);
  66 }
  67
  68 /*
  69  * see header file
  70  */
  71 plugin_t *medsrv_plugin_create()
  72 {
  73         char *uri;
  74         private_medsrv_plugin_t *this;
  75
  76         INIT(this,
  77                 .public = {
  78                         .plugin = {
  79                                 .get_name = _get_name,
  80                                 .reload = (void*)return_false,
  81                                 .destroy = _destroy,
  82                         },
  83                 },
  84         );
  85
  86         uri = lib->settings->get_str(lib->settings,
  87                                                                  "medsrv.database", NULL);
  88         if (!uri)
  89         {
  90                 DBG1(DBG_CFG, "mediation database URI not defined, skipped");
  91                 free(this);
  92                 return NULL;
  93         }
  94
  95         this->db = lib->db->create(lib->db, uri);
  96         if (this->db == NULL)
  97         {
  98                 DBG1(DBG_CFG, "opening mediation server database failed");
  99                 free(this);
 100                 return NULL;
 101         }
 102
 103         this->creds = medsrv_creds_create(this->db);
 104         this->config = medsrv_config_create(this->db);
 105
 106         lib->credmgr->add_set(lib->credmgr, &this->creds->set);
 107         charon->backends->add_backend(charon->backends, &this->config->backend);
 108
 109         return &this->public.plugin;
 110 }
 111