Moved ha plugin to libcharon

2010-04-07 13:55:16 +02:00
parent 3e8caf6af6
commit 29a46aacad
22 changed files with 15 additions and 2 deletions
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * 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 "ha_plugin.h"
+#include "ha_ike.h"
+#include "ha_child.h"
+#include "ha_socket.h"
+#include "ha_tunnel.h"
+#include "ha_dispatcher.h"
+#include "ha_segments.h"
+#include "ha_ctl.h"
+
+#include <daemon.h>
+#include <config/child_cfg.h>
+
+typedef struct private_ha_plugin_t private_ha_plugin_t;
+
+/**
+ * private data of ha plugin
+ */
+struct private_ha_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	ha_plugin_t public;
+
+	/**
+	 * Communication socket
+	 */
+	ha_socket_t *socket;
+
+	/**
+	 * Tunnel securing sync messages.
+	 */
+	ha_tunnel_t *tunnel;
+
+	/**
+	 * IKE_SA synchronization
+	 */
+	ha_ike_t *ike;
+
+	/**
+	 * CHILD_SA synchronization
+	 */
+	ha_child_t *child;
+
+	/**
+	 * Dispatcher to process incoming messages
+	 */
+	ha_dispatcher_t *dispatcher;
+
+	/**
+	 * Active/Passive segment management
+	 */
+	ha_segments_t *segments;
+
+	/**
+	 * Interface to control segments at kernel level
+	 */
+	ha_kernel_t *kernel;
+
+	/**
+	 * Segment control interface via FIFO
+	 */
+	ha_ctl_t *ctl;
+};
+
+/**
+ * Implementation of plugin_t.destroy
+ */
+static void destroy(private_ha_plugin_t *this)
+{
+	DESTROY_IF(this->ctl);
+	charon->bus->remove_listener(charon->bus, &this->segments->listener);
+	charon->bus->remove_listener(charon->bus, &this->ike->listener);
+	charon->bus->remove_listener(charon->bus, &this->child->listener);
+	this->ike->destroy(this->ike);
+	this->child->destroy(this->child);
+	this->dispatcher->destroy(this->dispatcher);
+	this->segments->destroy(this->segments);
+	this->kernel->destroy(this->kernel);
+	this->socket->destroy(this->socket);
+	DESTROY_IF(this->tunnel);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *plugin_create()
+{
+	private_ha_plugin_t *this;
+	char *local, *remote, *secret;
+	u_int count;
+	bool fifo, monitor, resync;
+
+	local = lib->settings->get_str(lib->settings,
+								"charon.plugins.ha.local", NULL);
+	remote = lib->settings->get_str(lib->settings,
+								"charon.plugins.ha.remote", NULL);
+	secret = lib->settings->get_str(lib->settings,
+								"charon.plugins.ha.secret", NULL);
+	fifo = lib->settings->get_bool(lib->settings,
+								"charon.plugins.ha.fifo_interface", TRUE);
+	monitor = lib->settings->get_bool(lib->settings,
+								"charon.plugins.ha.monitor", TRUE);
+	resync = lib->settings->get_bool(lib->settings,
+								"charon.plugins.ha.resync", TRUE);
+	count = min(SEGMENTS_MAX, lib->settings->get_int(lib->settings,
+								"charon.plugins.ha.segment_count", 1));
+	if (!local || !remote)
+	{
+		DBG1(DBG_CFG, "HA config misses local/remote address");
+		return NULL;
+	}
+
+	this = malloc_thing(private_ha_plugin_t);
+
+	this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
+	this->tunnel = NULL;
+	this->ctl = NULL;
+
+	if (secret)
+	{
+		this->tunnel = ha_tunnel_create(local, remote, secret);
+	}
+	this->socket = ha_socket_create(local, remote);
+	if (!this->socket)
+	{
+		DESTROY_IF(this->tunnel);
+		free(this);
+		return NULL;
+	}
+	this->kernel = ha_kernel_create(count);
+	this->segments = ha_segments_create(this->socket, this->kernel, this->tunnel,
+							count, strcmp(local, remote) > 0, monitor, resync);
+	if (fifo)
+	{
+		this->ctl = ha_ctl_create(this->segments);
+	}
+	this->dispatcher = ha_dispatcher_create(this->socket, this->segments);
+	this->ike = ha_ike_create(this->socket, this->tunnel);
+	this->child = ha_child_create(this->socket, this->tunnel);
+	charon->bus->add_listener(charon->bus, &this->segments->listener);
+	charon->bus->add_listener(charon->bus, &this->ike->listener);
+	charon->bus->add_listener(charon->bus, &this->child->listener);
+
+	return &this->public.plugin;
+}
+