Source/charon/states/responder_init.c

   1 /**
   2  * @file responder_init.c
   3  *
   4  * @brief Start state of a IKE_SA as responder
   5  *
   6  */
   7
   8 /*
   9  * Copyright (C) 2005 Jan Hutter, Martin Willi
  10  * Hochschule fuer Technik Rapperswil
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License as published by the
  14  * Free Software Foundation; either version 2 of the License, or (at your
  15  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  19  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20  * for more details.
  21  */
  22
  23 #include "responder_init.h"
  24
  25 #include "../utils/allocator.h"
  26
  27 /**
  28  * Private data of a responder_init_t object.
  29  *
  30  */
  31 typedef struct private_responder_init_s private_responder_init_t;
  32 struct private_responder_init_s {
  33         /**
  34          * methods of the state_t interface
  35          */
  36         responder_init_t public;
  37
  38 };
  39
  40 /**
  41  * Implements state_t.get_state
  42  */
  43 static status_t process_message(private_responder_init_t *this, message_t *message, state_t **new_state)
  44 {
  45         *new_state = (state_t *) this;
  46         return SUCCESS;
  47 }
  48
  49 /**
  50  * Implements state_t.get_state
  51  */
  52 static ike_sa_state_t get_state(private_responder_init_t *this)
  53 {
  54         return INITIATOR_INIT;
  55 }
  56
  57 /**
  58  * Implements state_t.get_state
  59  */
  60 static status_t destroy(private_responder_init_t *this)
  61 {
  62         allocator_free(this);
  63         return SUCCESS;
  64 }
  65
  66 /*
  67  * Described in header.
  68  */
  69 responder_init_t *responder_init_create()
  70 {
  71         private_responder_init_t *this = allocator_alloc_thing(private_responder_init_t);
  72
  73         if (this == NULL)
  74         {
  75                 return NULL;
  76         }
  77
  78         /* interface functions */
  79         this->public.state_interface.process_message = (status_t (*) (state_t *,message_t *,state_t **)) process_message;
  80         this->public.state_interface.get_state = (ike_sa_state_t (*) (state_t *)) get_state;
  81         this->public.state_interface.destroy  = (status_t (*) (state_t *)) destroy;
  82
  83         return &(this->public);
  84 }