Imported Upstream version 5.2.0

1 files changed, 130 insertions, 0 deletions

diff --git a/src/libcharon/plugins/vici/vici_logger.c b/src/libcharon/plugins/vici/vici_logger.c
new file mode 100644
index 000000000..cffd65bad
--- /dev/null
+++ b/src/libcharon/plugins/vici/vici_logger.c
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * 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 "vici_logger.h"
+#include "vici_builder.h"
+
+#include <daemon.h>
+#include <threading/mutex.h>
+
+typedef struct private_vici_logger_t private_vici_logger_t;
+
+/**
+ * Private data of an vici_logger_t object.
+ */
+struct private_vici_logger_t {
+
+	/**
+	 * Public vici_logger_t interface.
+	 */
+	vici_logger_t public;
+
+	/**
+	 * Dispatcher
+	 */
+	vici_dispatcher_t *dispatcher;
+
+	/**
+	 * Recursiveness avoidance counter
+	 */
+	int recursive;
+
+	/**
+	 * Mutex to synchronize logging
+	 */
+	mutex_t *mutex;
+};
+
+METHOD(logger_t, log_, void,
+	private_vici_logger_t *this, debug_t group, level_t level, int thread,
+	ike_sa_t* ike_sa, const char *msg)
+{
+	this->mutex->lock(this->mutex);
+
+	/* avoid recursive invocations by the vici subsystem */
+	if (this->recursive++ == 0)
+	{
+		vici_message_t *message;
+		vici_builder_t *builder;
+
+		builder = vici_builder_create();
+		builder->add_kv(builder, "group", "%N", debug_names, group);
+		builder->add_kv(builder, "level", "%d", level);
+		builder->add_kv(builder, "thread", "%d", thread);
+		if (ike_sa)
+		{
+			builder->add_kv(builder, "ikesa-name", "%s",
+							ike_sa->get_name(ike_sa));
+			builder->add_kv(builder, "ikesa-uniqueid", "%u",
+							ike_sa->get_unique_id(ike_sa));
+		}
+		builder->add_kv(builder, "msg", "%s", msg);
+
+		message = builder->finalize(builder);
+		if (message)
+		{
+			this->dispatcher->raise_event(this->dispatcher, "log", 0, message);
+		}
+	}
+	this->recursive--;
+
+	this->mutex->unlock(this->mutex);
+}
+
+METHOD(logger_t, get_level, level_t,
+	private_vici_logger_t *this, debug_t group)
+{
+	return LEVEL_CTRL;
+}
+
+/**
+ * (Un-)register dispatcher functions/events
+ */
+static void manage_commands(private_vici_logger_t *this, bool reg)
+{
+	this->dispatcher->manage_event(this->dispatcher, "log", reg);
+}
+
+METHOD(vici_logger_t, destroy, void,
+	private_vici_logger_t *this)
+{
+	manage_commands(this, FALSE);
+	this->mutex->destroy(this->mutex);
+	free(this);
+}
+
+/**
+ * See header
+ */
+vici_logger_t *vici_logger_create(vici_dispatcher_t *dispatcher)
+{
+	private_vici_logger_t *this;
+
+	INIT(this,
+		.public = {
+			.logger = {
+				.log = _log_,
+				.get_level = _get_level,
+			},
+			.destroy = _destroy,
+		},
+		.dispatcher = dispatcher,
+		.mutex = mutex_create(MUTEX_TYPE_RECURSIVE),
+	);
+
+	manage_commands(this, TRUE);
+
+	return &this->public;
+}