src/libcharon/processing/jobs/update_sa_job.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 <stdlib.h>
  17
  18 #include "update_sa_job.h"
  19
  20 #include <sa/ike_sa.h>
  21 #include <daemon.h>
  22
  23
  24 typedef struct private_update_sa_job_t private_update_sa_job_t;
  25
  26 /**
  27  * Private data of an update_sa_job_t Object
  28  */
  29 struct private_update_sa_job_t {
  30         /**
  31          * public update_sa_job_t interface
  32          */
  33         update_sa_job_t public;
  34
  35         /**
  36          * reqid of the CHILD_SA
  37          */
  38         u_int32_t reqid;
  39
  40         /**
  41          * New SA address and port
  42          */
  43         host_t *new;
  44 };
  45
  46 METHOD(job_t, destroy, void,
  47         private_update_sa_job_t *this)
  48 {
  49         this->new->destroy(this->new);
  50         free(this);
  51 }
  52
  53 METHOD(job_t, execute, void,
  54         private_update_sa_job_t *this)
  55 {
  56         ike_sa_t *ike_sa;
  57
  58         ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager,
  59                                                                                                         this->reqid, TRUE);
  60         if (ike_sa == NULL)
  61         {
  62                 DBG1(DBG_JOB, "CHILD_SA with reqid %d not found for update", this->reqid);
  63         }
  64         else
  65         {
  66                 /* we update only if other host is NATed, but not our */
  67                 if (ike_sa->has_condition(ike_sa, COND_NAT_THERE) &&
  68                         !ike_sa->has_condition(ike_sa, COND_NAT_HERE))
  69                 {
  70                         ike_sa->update_hosts(ike_sa, NULL, this->new, FALSE);
  71                 }
  72                 charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
  73         }
  74         destroy(this);
  75 }
  76
  77 METHOD(job_t, get_priority, job_priority_t,
  78         private_update_sa_job_t *this)
  79 {
  80         return JOB_PRIO_MEDIUM;
  81 }
  82
  83 /*
  84  * Described in header
  85  */
  86 update_sa_job_t *update_sa_job_create(u_int32_t reqid, host_t *new)
  87 {
  88         private_update_sa_job_t *this;
  89
  90         INIT(this,
  91                 .public = {
  92                         .job_interface = {
  93                                 .execute = _execute,
  94                                 .get_priority = _get_priority,
  95                                 .destroy = _destroy,
  96                         },
  97                 },
  98                 .reqid = reqid,
  99                 .new = new,
 100         );
 101
 102         return &this->public;
 103 }
 104