Moving charon to libcharon.

2010-03-19 13:34:52 +01:00
parent 7c11d10eb8
commit 08c5572602
480 changed files with 0 additions and 0 deletions
@@ -0,0 +1,271 @@
+/*
+ * Copyright (C) 2007-2008 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 "initiate_mediation_job.h"
+
+#include <sa/ike_sa.h>
+#include <daemon.h>
+
+
+typedef struct private_initiate_mediation_job_t private_initiate_mediation_job_t;
+
+/**
+ * Private data of an initiate_mediation_job_t Object
+ */
+struct private_initiate_mediation_job_t {
+	/**
+	 * public initiate_mediation_job_t interface
+	 */
+	initiate_mediation_job_t public;
+
+	/**
+	 * ID of the IKE_SA of the mediated connection.
+	 */
+	ike_sa_id_t *mediated_sa_id;
+
+	/**
+	 * ID of the IKE_SA of the mediation connection.
+	 */
+	ike_sa_id_t *mediation_sa_id;
+};
+
+/**
+ * Implements job_t.destroy.
+ */
+static void destroy(private_initiate_mediation_job_t *this)
+{
+	DESTROY_IF(this->mediation_sa_id);
+	DESTROY_IF(this->mediated_sa_id);
+	free(this);
+}
+
+/**
+ * Callback to handle initiation of mediation connection
+ */
+static bool initiate_callback(private_initiate_mediation_job_t *this,
+			debug_t group, level_t level, ike_sa_t *ike_sa,
+			char *format, va_list args)
+{
+	if (ike_sa && !this->mediation_sa_id)
+	{
+		this->mediation_sa_id = ike_sa->get_id(ike_sa);
+		this->mediation_sa_id = this->mediation_sa_id->clone(this->mediation_sa_id);
+	}
+	return TRUE;
+}
+
+/**
+ * Implementation of job_t.execute.
+ */
+static void initiate(private_initiate_mediation_job_t *this)
+{
+	ike_sa_t *mediated_sa, *mediation_sa;
+	peer_cfg_t *mediated_cfg, *mediation_cfg;
+	enumerator_t *enumerator;
+	auth_cfg_t *auth_cfg;
+
+	mediated_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
+												   this->mediated_sa_id);
+	if (mediated_sa)
+	{
+		DBG1(DBG_IKE, "initiating mediation connection");
+		mediated_cfg = mediated_sa->get_peer_cfg(mediated_sa);
+		mediated_cfg->get_ref(mediated_cfg);
+
+		charon->ike_sa_manager->checkin(charon->ike_sa_manager, mediated_sa);
+
+		mediation_cfg = mediated_cfg->get_mediated_by(mediated_cfg);
+		mediation_cfg->get_ref(mediation_cfg);
+
+		enumerator = mediation_cfg->create_auth_cfg_enumerator(mediation_cfg,
+															   TRUE);
+		if (!enumerator->enumerate(enumerator, &auth_cfg) ||
+			auth_cfg->get(auth_cfg, AUTH_RULE_IDENTITY) == NULL)
+		{
+			mediated_cfg->destroy(mediated_cfg);
+			mediation_cfg->destroy(mediation_cfg);
+			enumerator->destroy(enumerator);
+			destroy(this);
+			return;
+		}
+		enumerator->destroy(enumerator);
+
+		if (charon->connect_manager->check_and_register(charon->connect_manager,
+				auth_cfg->get(auth_cfg, AUTH_RULE_IDENTITY),
+				mediated_cfg->get_peer_id(mediated_cfg),
+				this->mediated_sa_id))
+		{
+			mediated_cfg->destroy(mediated_cfg);
+			mediation_cfg->destroy(mediation_cfg);
+
+			mediated_sa = charon->ike_sa_manager->checkout(
+								charon->ike_sa_manager, this->mediated_sa_id);
+			if (mediated_sa)
+			{
+				DBG1(DBG_IKE, "mediation with the same peer is already in "
+					 "progress, queued");
+				charon->ike_sa_manager->checkin(
+								charon->ike_sa_manager, mediated_sa);
+			}
+			destroy(this);
+			return;
+		}
+		/* we need an additional reference because initiate consumes one */
+		mediation_cfg->get_ref(mediation_cfg);
+
+		if (charon->controller->initiate(charon->controller, mediation_cfg,
+					NULL, (controller_cb_t)initiate_callback, this) != SUCCESS)
+		{
+			mediation_cfg->destroy(mediation_cfg);
+			mediated_cfg->destroy(mediated_cfg);
+			mediated_sa = charon->ike_sa_manager->checkout(
+								charon->ike_sa_manager, this->mediated_sa_id);
+			if (mediated_sa)
+			{
+				DBG1(DBG_IKE, "initiating mediation connection failed");
+				charon->ike_sa_manager->checkin_and_destroy(
+									charon->ike_sa_manager, mediated_sa);
+			}
+			destroy(this);
+			return;
+		}
+		mediation_cfg->destroy(mediation_cfg);
+
+		mediation_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
+														this->mediation_sa_id);
+		if (mediation_sa)
+		{
+			if (mediation_sa->initiate_mediation(mediation_sa,
+												 mediated_cfg) != SUCCESS)
+			{
+				mediated_cfg->destroy(mediated_cfg);
+				charon->ike_sa_manager->checkin_and_destroy(
+								charon->ike_sa_manager, mediation_sa);
+				mediated_sa = charon->ike_sa_manager->checkout(
+								charon->ike_sa_manager, this->mediated_sa_id);
+				if (mediated_sa)
+				{
+					DBG1(DBG_IKE, "establishing mediation connection failed");
+					charon->ike_sa_manager->checkin_and_destroy(
+										charon->ike_sa_manager, mediated_sa);
+				}
+				destroy(this);
+				return;
+			}
+			charon->ike_sa_manager->checkin(charon->ike_sa_manager,
+											mediation_sa);
+		}
+		mediated_cfg->destroy(mediated_cfg);
+	}
+	destroy(this);
+}
+
+/**
+ * Implementation of job_t.execute.
+ */
+static void reinitiate(private_initiate_mediation_job_t *this)
+{
+	ike_sa_t *mediated_sa, *mediation_sa;
+	peer_cfg_t *mediated_cfg;
+
+	mediated_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
+												   this->mediated_sa_id);
+	if (mediated_sa)
+	{
+		mediated_cfg = mediated_sa->get_peer_cfg(mediated_sa);
+		mediated_cfg->get_ref(mediated_cfg);
+		charon->ike_sa_manager->checkin(charon->ike_sa_manager, mediated_sa);
+
+		mediation_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
+														this->mediation_sa_id);
+		if (mediation_sa)
+		{
+			if (mediation_sa->initiate_mediation(mediation_sa,
+												 mediated_cfg) != SUCCESS)
+			{
+				DBG1(DBG_JOB, "initiating mediated connection '%s' failed",
+					 mediated_cfg->get_name(mediated_cfg));
+				mediated_cfg->destroy(mediated_cfg);
+				charon->ike_sa_manager->checkin_and_destroy(
+										charon->ike_sa_manager,
+										mediation_sa);
+				mediated_sa = charon->ike_sa_manager->checkout(
+										charon->ike_sa_manager,
+										this->mediated_sa_id);
+				if (mediated_sa)
+				{
+					DBG1(DBG_IKE, "establishing mediation connection failed");
+					charon->ike_sa_manager->checkin_and_destroy(
+										charon->ike_sa_manager,
+										mediated_sa);
+				}
+				destroy(this);
+				return;
+			}
+			charon->ike_sa_manager->checkin(charon->ike_sa_manager,
+											mediation_sa);
+		}
+
+		mediated_cfg->destroy(mediated_cfg);
+	}
+	destroy(this);
+}
+
+/**
+ * Creates an empty job
+ */
+static private_initiate_mediation_job_t *initiate_mediation_job_create_empty()
+{
+	private_initiate_mediation_job_t *this = malloc_thing(private_initiate_mediation_job_t);
+
+	/* interface functions */
+	this->public.job_interface.destroy = (void (*) (job_t *)) destroy;
+
+	/* private variables */
+	this->mediation_sa_id = NULL;
+	this->mediated_sa_id = NULL;
+
+	return this;
+}
+
+/*
+ * Described in header
+ */
+initiate_mediation_job_t *initiate_mediation_job_create(ike_sa_id_t *ike_sa_id)
+{
+	private_initiate_mediation_job_t *this = initiate_mediation_job_create_empty();
+
+	this->public.job_interface.execute = (void (*) (job_t *)) initiate;
+
+	this->mediated_sa_id = ike_sa_id->clone(ike_sa_id);
+
+	return &this->public;
+}
+
+/*
+ * Described in header
+ */
+initiate_mediation_job_t *reinitiate_mediation_job_create(ike_sa_id_t *mediation_sa_id,
+		ike_sa_id_t *mediated_sa_id)
+{
+	private_initiate_mediation_job_t *this = initiate_mediation_job_create_empty();
+
+	this->public.job_interface.execute = (void (*) (job_t *)) reinitiate;
+
+	this->mediation_sa_id = mediation_sa_id->clone(mediation_sa_id);
+	this->mediated_sa_id = mediated_sa_id->clone(mediated_sa_id);
+
+	return &this->public;
+}