[svn-upgrade] Integrating new upstream version, strongswan (4.4.0)

1 files changed, 195 insertions, 0 deletions

diff --git a/src/libcharon/processing/jobs/mediation_job.c b/src/libcharon/processing/jobs/mediation_job.c
new file mode 100644
index 000000000..b5b8af3b3
--- /dev/null
+++ b/src/libcharon/processing/jobs/mediation_job.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2007 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "mediation_job.h"
+
+#include <encoding/payloads/endpoint_notify.h>
+#include <daemon.h>
+
+
+typedef struct private_mediation_job_t private_mediation_job_t;
+
+/**
+ * Private data of an mediation_job_t Object
+ */
+struct private_mediation_job_t {
+	/**
+	 * public mediation_job_t interface
+	 */
+	mediation_job_t public;
+
+	/**
+	 * ID of target peer.
+	 */
+	identification_t *target;
+
+	/**
+	 * ID of the source peer.
+	 */
+	identification_t *source;
+
+	/**
+	 * ME_CONNECTID
+	 */
+	chunk_t connect_id;
+
+	/**
+	 * ME_CONNECTKEY
+	 */
+	chunk_t connect_key;
+
+	/**
+	 * Submitted endpoints
+	 */
+	linked_list_t *endpoints;
+
+	/**
+	 * Is this a callback job?
+	 */
+	bool callback;
+
+	/**
+	 * Is this a response?
+	 */
+	bool response;
+};
+
+/**
+ * Implements job_t.destroy.
+ */
+static void destroy(private_mediation_job_t *this)
+{
+	DESTROY_IF(this->target);
+	DESTROY_IF(this->source);
+	chunk_free(&this->connect_id);
+	chunk_free(&this->connect_key);
+	DESTROY_OFFSET_IF(this->endpoints, offsetof(endpoint_notify_t, destroy));
+	free(this);
+}
+
+/**
+ * Implementation of job_t.execute.
+ */
+static void execute(private_mediation_job_t *this)
+{
+	ike_sa_id_t *target_sa_id;
+
+	target_sa_id = charon->mediation_manager->check(charon->mediation_manager, this->target);
+
+	if (target_sa_id)
+	{
+		ike_sa_t *target_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
+											  target_sa_id);
+		if (target_sa)
+		{
+			if (this->callback)
+			{
+				/* send callback to a peer */
+				if (target_sa->callback(target_sa, this->source) != SUCCESS)
+				{
+					DBG1(DBG_JOB, "callback for '%Y' to '%Y' failed",
+							this->source, this->target);
+					charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
+					destroy(this);
+					return;
+				}
+			}
+			else
+			{
+				/* normal mediation between two peers */
+				if (target_sa->relay(target_sa, this->source, this->connect_id,
+						this->connect_key, this->endpoints, this->response) != SUCCESS)
+				{
+					DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed",
+							this->source, this->target);
+					charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
+					/* FIXME: notify the initiator */
+					destroy(this);
+					return;
+				}
+			}
+
+			charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
+		}
+		else
+		{
+			DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed: "
+					"SA not found", this->source, this->target);
+		}
+	}
+	else
+	{
+		DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed: "
+				"peer is not online anymore", this->source, this->target);
+	}
+	destroy(this);
+}
+
+/**
+ * Creates an empty mediation job
+ */
+static private_mediation_job_t *mediation_job_create_empty()
+{
+	private_mediation_job_t *this = malloc_thing(private_mediation_job_t);
+
+	/* interface functions */
+	this->public.job_interface.execute = (void (*) (job_t *)) execute;
+	this->public.job_interface.destroy = (void (*) (job_t *)) destroy;
+
+	/* private variables */
+	this->target = NULL;
+	this->source = NULL;
+	this->callback = FALSE;
+	this->connect_id = chunk_empty;
+	this->connect_key = chunk_empty;
+	this->endpoints = NULL;
+	this->response = FALSE;
+
+	return this;
+}
+
+/*
+ * Described in header
+ */
+mediation_job_t *mediation_job_create(identification_t *peer_id,
+		identification_t *requester, chunk_t connect_id, chunk_t connect_key,
+		linked_list_t *endpoints, bool response)
+{
+	private_mediation_job_t *this = mediation_job_create_empty();
+
+	this->target = peer_id->clone(peer_id);
+	this->source = requester->clone(requester);
+	this->connect_id = chunk_clone(connect_id);
+	this->connect_key = chunk_clone(connect_key);
+	this->endpoints = endpoints->clone_offset(endpoints, offsetof(endpoint_notify_t, clone));
+	this->response = response;
+
+	return &this->public;
+}
+
+/*
+ * Described in header
+ */
+mediation_job_t *mediation_callback_job_create(identification_t *requester,
+		identification_t *peer_id)
+{
+	private_mediation_job_t *this = mediation_job_create_empty();
+
+	this->target = requester->clone(requester);
+	this->source = peer_id->clone(peer_id);
+	this->callback = TRUE;
+
+	return &this->public;
+}