src/libcharon/processing/jobs/rekey_child_sa_job.c

   1 /*
   2  * Copyright (C) 2006 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 "rekey_child_sa_job.h"
  17
  18 #include <daemon.h>
  19
  20
  21 typedef struct private_rekey_child_sa_job_t private_rekey_child_sa_job_t;
  22
  23 /**
  24  * Private data of an rekey_child_sa_job_t object.
  25  */
  26 struct private_rekey_child_sa_job_t {
  27         /**
  28          * Public rekey_child_sa_job_t interface.
  29          */
  30         rekey_child_sa_job_t public;
  31
  32         /**
  33          * reqid of the child to rekey
  34          */
  35         u_int32_t reqid;
  36
  37         /**
  38          * protocol of the CHILD_SA (ESP/AH)
  39          */
  40         protocol_id_t protocol;
  41
  42         /**
  43          * inbound SPI of the CHILD_SA
  44          */
  45         u_int32_t spi;
  46 };
  47
  48 METHOD(job_t, destroy, void,
  49         private_rekey_child_sa_job_t *this)
  50 {
  51         free(this);
  52 }
  53
  54 METHOD(job_t, execute, void,
  55         private_rekey_child_sa_job_t *this)
  56 {
  57         ike_sa_t *ike_sa;
  58
  59         ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager,
  60                                                                                                         this->reqid, TRUE);
  61         if (ike_sa == NULL)
  62         {
  63                 DBG2(DBG_JOB, "CHILD_SA with reqid %d not found for rekeying",
  64                          this->reqid);
  65         }
  66         else
  67         {
  68                 ike_sa->rekey_child_sa(ike_sa, this->protocol, this->spi);
  69                 charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
  70         }
  71         destroy(this);
  72 }
  73
  74 /*
  75  * Described in header
  76  */
  77 rekey_child_sa_job_t *rekey_child_sa_job_create(u_int32_t reqid,
  78                                                                                                 protocol_id_t protocol,
  79                                                                                                 u_int32_t spi)
  80 {
  81         private_rekey_child_sa_job_t *this;
  82
  83         INIT(this,
  84                 .public = {
  85                         .job_interface = {
  86                                 .execute = _execute,
  87                                 .destroy = _destroy,
  88                         },
  89                 },
  90                 .reqid = reqid,
  91                 .protocol = protocol,
  92                 .spi = spi,
  93         );
  94
  95         return &this->public;
  96 }