src/libcharon/plugins/vici/vici_plugin.c

   1 /*
   2  * Copyright (C) 2014 Martin Willi
   3  * Copyright (C) 2014 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 "vici_plugin.h"
  17 #include "vici_dispatcher.h"
  18 #include "vici_query.h"
  19
  20 #include <library.h>
  21 #include <daemon.h>
  22
  23 typedef struct private_vici_plugin_t private_vici_plugin_t;
  24
  25 /**
  26  * Private members of vici_plugin_t
  27  */
  28 struct private_vici_plugin_t {
  29
  30         /**
  31          * public functions
  32          */
  33         vici_plugin_t public;
  34
  35         /**
  36          * Dispatcher, creating socket
  37          */
  38         vici_dispatcher_t *dispatcher;
  39
  40         /**
  41          * Query commands
  42          */
  43         vici_query_t *query;
  44 };
  45
  46 METHOD(plugin_t, get_name, char*,
  47         private_vici_plugin_t *this)
  48 {
  49         return "vici";
  50 }
  51
  52 /**
  53  * Register vici plugin features
  54  */
  55 static bool register_vici(private_vici_plugin_t *this,
  56                                                   plugin_feature_t *feature, bool reg, void *data)
  57 {
  58         if (reg)
  59         {
  60                 char *uri;
  61
  62                 uri = lib->settings->get_str(lib->settings, "%s.plugins.vici.socket",
  63                                                                          VICI_DEFAULT_URI, lib->ns);
  64                 this->dispatcher = vici_dispatcher_create(uri);
  65                 if (this->dispatcher)
  66                 {
  67                         this->query = vici_query_create(this->dispatcher);
  68                         return TRUE;
  69                 }
  70                 return FALSE;
  71         }
  72         else
  73         {
  74                 this->query->destroy(this->query);
  75                 this->dispatcher->destroy(this->dispatcher);
  76         }
  77         return TRUE;
  78 }
  79
  80 METHOD(plugin_t, get_features, int,
  81         private_vici_plugin_t *this, plugin_feature_t *features[])
  82 {
  83         static plugin_feature_t f[] = {
  84                 PLUGIN_CALLBACK((plugin_feature_callback_t)register_vici, NULL),
  85                         PLUGIN_PROVIDE(CUSTOM, "vici"),
  86         };
  87         *features = f;
  88         return countof(f);
  89 }
  90
  91 METHOD(plugin_t, destroy, void,
  92         private_vici_plugin_t *this)
  93 {
  94         free(this);
  95 }
  96
  97 /*
  98  * see header file
  99  */
 100 plugin_t *vici_plugin_create()
 101 {
 102         private_vici_plugin_t *this;
 103
 104         INIT(this,
 105                 .public = {
 106                         .plugin = {
 107                                 .get_name = _get_name,
 108                                 .reload = (void*)return_false,
 109                                 .get_features = _get_features,
 110                                 .destroy = _destroy,
 111                         },
 112                 },
 113         );
 114
 115         return &this->public.plugin;
 116 }