logging to SQL database

2008-03-15 14:17:09 +00:00
parent 72d68379dc
commit 933f80c391
6 changed files with 255 additions and 1 deletions
@@ -0,0 +1,140 @@
+/*
+ * 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.
+ *
+ * $Id: sql_logger.c 3589 2008-03-13 14:14:44Z martin $
+ */
+
+#include <string.h>
+
+#include "sql_logger.h"
+
+#include <daemon.h>
+
+typedef struct private_sql_logger_t private_sql_logger_t;
+
+/**
+ * Private data of an sql_logger_t object
+ */
+struct private_sql_logger_t {
+
+	/**
+	 * Public part
+	 */
+	sql_logger_t public;
+	
+	/**
+	 * database connection
+	 */
+	database_t *db;
+	
+	/**
+	 * logging level
+	 */
+	int level;
+};
+
+
+/**
+ * Implementation of bus_listener_t.signal.
+ */
+static bool signal_(private_sql_logger_t *this, signal_t signal, level_t level,
+					int thread, ike_sa_t* ike_sa, char *format, va_list args)
+{
+	if (ike_sa && level <= this->level)
+	{
+		char buffer[8192], local_id[64], remote_id[64], local[40], remote[40];
+		char *current = buffer, *next;
+		chunk_t local_spi, remote_spi;
+		u_int64_t ispi, rspi;
+		bool initiator;
+		ike_sa_id_t *id;
+	
+		id = ike_sa->get_id(ike_sa);
+		initiator = id->is_initiator(id);
+		ispi = id->get_initiator_spi(id);
+		rspi = id->get_responder_spi(id);
+		if (initiator)
+		{
+			local_spi.ptr = (char*)&ispi;
+			remote_spi.ptr = (char*)&rspi;
+		}
+		else
+		{
+			local_spi.ptr = (char*)&rspi;
+			remote_spi.ptr = (char*)&ispi;
+		}
+		local_spi.len = remote_spi.len = sizeof(ispi);
+		snprintf(local_id, sizeof(local_id), "%D", ike_sa->get_my_id(ike_sa));
+		snprintf(remote_id, sizeof(remote_id), "%D", ike_sa->get_other_id(ike_sa));
+		snprintf(local, sizeof(local), "%H", ike_sa->get_my_host(ike_sa));
+		snprintf(remote, sizeof(remote), "%H", ike_sa->get_other_host(ike_sa));
+		
+		/* write in memory buffer first */
+		vsnprintf(buffer, sizeof(buffer), format, args);
+	
+		this->db->execute(this->db, NULL, "REPLACE INTO ike_sas ("
+						  "local_spi, remote_spi, id, initiator, "
+						  "local_id, remote_id, local, remote) "
+						  "VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+						  DB_BLOB, local_spi, DB_BLOB, remote_spi,
+						  DB_INT, ike_sa->get_unique_id(ike_sa),
+						  DB_INT, initiator,
+						  DB_TEXT, local_id, DB_TEXT, remote_id, 
+						  DB_TEXT, local, DB_TEXT, remote);
+		/* do a log with every line */
+		while (current)
+		{
+			next = strchr(current, '\n');
+			if (next)
+			{
+				*(next++) = '\0';
+			}
+			this->db->execute(this->db, NULL,
+							  "INSERT INTO logs (local_spi, signal, level, msg) "
+							  "VALUES (?, ?, ?, ?)",
+							  DB_BLOB, local_spi, DB_INT, signal, DB_INT, level,
+							  DB_TEXT, current);
+			current = next;
+		}
+	}
+	/* always stay registered */
+	return TRUE;
+}
+
+/**
+ * Implementation of sql_logger_t.destroy.
+ */
+static void destroy(private_sql_logger_t *this)
+{
+	free(this);
+}
+
+/**
+ * Described in header.
+ */
+sql_logger_t *sql_logger_create(database_t *db)
+{
+	private_sql_logger_t *this = malloc_thing(private_sql_logger_t);
+	
+	this->public.listener.signal = (bool(*)(bus_listener_t*,signal_t,level_t,int,ike_sa_t*,char*,va_list))signal_;
+	this->public.destroy = (void(*)(sql_logger_t*))destroy;
+	
+	this->db = db;
+	
+	this->level = lib->settings->get_int(lib->settings,
+										 "charon.plugins.sql.loglevel", 1);
+	
+	return &this->public;
+}
+