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Diffstat (limited to 'src/libcharon/plugins/ha/ha_plugin.c')
-rw-r--r--src/libcharon/plugins/ha/ha_plugin.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/src/libcharon/plugins/ha/ha_plugin.c b/src/libcharon/plugins/ha/ha_plugin.c
new file mode 100644
index 000000000..ea255c8ab
--- /dev/null
+++ b/src/libcharon/plugins/ha/ha_plugin.c
@@ -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);
+}
+
+/**
+ * Plugin constructor
+ */
+plugin_t *ha_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;
+}
+