191 lines
4.4 KiB
C
191 lines
4.4 KiB
C
/*
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* Copyright (C) 2007 Tobias Brunner
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "mediation_job.h"
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#include <encoding/payloads/endpoint_notify.h>
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#include <daemon.h>
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typedef struct private_mediation_job_t private_mediation_job_t;
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/**
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* Private data of an mediation_job_t Object
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*/
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struct private_mediation_job_t {
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/**
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* public mediation_job_t interface
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*/
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mediation_job_t public;
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/**
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* ID of target peer.
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*/
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identification_t *target;
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/**
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* ID of the source peer.
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*/
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identification_t *source;
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/**
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* ME_CONNECTID
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*/
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chunk_t connect_id;
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/**
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* ME_CONNECTKEY
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*/
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chunk_t connect_key;
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/**
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* Submitted endpoints
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*/
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linked_list_t *endpoints;
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/**
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* Is this a callback job?
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*/
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bool callback;
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/**
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* Is this a response?
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*/
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bool response;
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};
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METHOD(job_t, destroy, void,
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private_mediation_job_t *this)
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{
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DESTROY_IF(this->target);
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DESTROY_IF(this->source);
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chunk_free(&this->connect_id);
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chunk_free(&this->connect_key);
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DESTROY_OFFSET_IF(this->endpoints, offsetof(endpoint_notify_t, destroy));
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free(this);
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}
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METHOD(job_t, execute, job_requeue_t,
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private_mediation_job_t *this)
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{
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ike_sa_id_t *target_sa_id;
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target_sa_id = charon->mediation_manager->check(charon->mediation_manager, this->target);
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if (target_sa_id)
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{
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ike_sa_t *target_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
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target_sa_id);
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if (target_sa)
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{
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if (this->callback)
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{
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/* send callback to a peer */
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if (target_sa->callback(target_sa, this->source) != SUCCESS)
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{
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DBG1(DBG_JOB, "callback for '%Y' to '%Y' failed",
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this->source, this->target);
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charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
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return JOB_REQUEUE_NONE;
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}
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}
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else
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{
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/* normal mediation between two peers */
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if (target_sa->relay(target_sa, this->source, this->connect_id,
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this->connect_key, this->endpoints, this->response) != SUCCESS)
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{
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DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed",
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this->source, this->target);
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charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
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/* FIXME: notify the initiator */
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return JOB_REQUEUE_NONE;
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}
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}
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charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
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}
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else
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{
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DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed: "
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"SA not found", this->source, this->target);
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}
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}
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else
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{
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DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed: "
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"peer is not online anymore", this->source, this->target);
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}
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return JOB_REQUEUE_NONE;
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}
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METHOD(job_t, get_priority, job_priority_t,
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private_mediation_job_t *this)
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{
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return JOB_PRIO_MEDIUM;
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}
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/**
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* Creates an empty mediation job
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*/
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static private_mediation_job_t *mediation_job_create_empty()
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{
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private_mediation_job_t *this;
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INIT(this,
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.public = {
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.job_interface = {
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.execute = _execute,
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.get_priority = _get_priority,
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.destroy = _destroy,
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},
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},
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);
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return this;
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}
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/*
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* Described in header
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*/
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mediation_job_t *mediation_job_create(identification_t *peer_id,
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identification_t *requester, chunk_t connect_id, chunk_t connect_key,
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linked_list_t *endpoints, bool response)
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{
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private_mediation_job_t *this = mediation_job_create_empty();
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this->target = peer_id->clone(peer_id);
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this->source = requester->clone(requester);
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this->connect_id = chunk_clone(connect_id);
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this->connect_key = chunk_clone(connect_key);
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this->endpoints = endpoints->clone_offset(endpoints, offsetof(endpoint_notify_t, clone));
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this->response = response;
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return &this->public;
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}
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/*
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* Described in header
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*/
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mediation_job_t *mediation_callback_job_create(identification_t *requester,
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identification_t *peer_id)
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{
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private_mediation_job_t *this = mediation_job_create_empty();
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this->target = requester->clone(requester);
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this->source = peer_id->clone(peer_id);
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this->callback = TRUE;
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return &this->public;
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}
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