src/charon/queues/jobs/rekey_child_sa_job.c

   1 /**
   2  * @file rekey_child_sa_job.c
   3  *
   4  * @brief Implementation of rekey_child_sa_job_t.
   5  *
   6  */
   7
   8 /*
   9  * Copyright (C) 2006 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 "rekey_child_sa_job.h"
  24
  25 #include <daemon.h>
  26
  27
  28 typedef struct private_rekey_child_sa_job_t private_rekey_child_sa_job_t;
  29
  30 /**
  31  * Private data of an rekey_child_sa_job_t object.
  32  */
  33 struct private_rekey_child_sa_job_t {
  34         /**
  35          * Public rekey_child_sa_job_t interface.
  36          */
  37         rekey_child_sa_job_t public;
  38
  39         /**
  40          * reqid of the child to rekey
  41          */
  42         u_int32_t reqid;
  43
  44         /**
  45          * protocol of the CHILD_SA (ESP/AH)
  46          */
  47         protocol_id_t protocol;
  48
  49         /**
  50          * inbound SPI of the CHILD_SA
  51          */
  52         u_int32_t spi;
  53 };
  54
  55 /**
  56  * Implementation of job_t.get_type.
  57  */
  58 static job_type_t get_type(private_rekey_child_sa_job_t *this)
  59 {
  60         return REKEY_CHILD_SA;
  61 }
  62
  63 /**
  64  * Implementation of job_t.execute.
  65  */
  66 static status_t execute(private_rekey_child_sa_job_t *this)
  67 {
  68         ike_sa_t *ike_sa;
  69
  70         ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager,
  71                                                                                                         this->reqid, TRUE);
  72         if (ike_sa == NULL)
  73         {
  74                 DBG2(DBG_JOB, "CHILD_SA with reqid %d not found for rekeying",
  75                          this->reqid);
  76                 return DESTROY_ME;
  77         }
  78         ike_sa->rekey_child_sa(ike_sa, this->protocol, this->spi);
  79
  80         charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
  81         return DESTROY_ME;
  82 }
  83
  84 /**
  85  * Implementation of job_t.destroy.
  86  */
  87 static void destroy(private_rekey_child_sa_job_t *this)
  88 {
  89         free(this);
  90 }
  91
  92 /*
  93  * Described in header
  94  */
  95 rekey_child_sa_job_t *rekey_child_sa_job_create(u_int32_t reqid,
  96                                                                                                 protocol_id_t protocol,
  97                                                                                                 u_int32_t spi)
  98 {
  99         private_rekey_child_sa_job_t *this = malloc_thing(private_rekey_child_sa_job_t);
 100
 101         /* interface functions */
 102         this->public.job_interface.get_type = (job_type_t (*) (job_t *)) get_type;
 103         this->public.job_interface.execute = (status_t (*) (job_t *)) execute;
 104         this->public.job_interface.destroy = (void (*)(job_t*)) destroy;
 105
 106         /* private variables */
 107         this->reqid = reqid;
 108         this->protocol = protocol;
 109         this->spi = spi;
 110
 111         return &(this->public);
 112 }