diff --git a/extensions/app_diameap/diameap_mysql.c b/extensions/app_diameap/diameap_mysql.c
new file mode 100644
index 0000000..b7a09c5
--- /dev/null
+++ b/extensions/app_diameap/diameap_mysql.c
@@ -0,0 +1,234 @@
+/*****************************************************************************************************
+ * Software License Agreement (BSD License)
+ * Author : Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
+ *
+ * Copyright (c) 2009-2010, Souheil Ben Ayed, Teraoka Laboratory of Keio University, and the WIDE Project
+ * All rights reserved.
+ *
+ * Redistribution and use of this software in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>.
+ *
+ * 4. Neither the name of Souheil Ben Ayed, Teraoka Laboratory of Keio University or the WIDE Project nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************************************/
+
+#include "diameap_mysql.h"
+
+static pthread_mutex_t db_cs_mutex =
+PTHREAD_MUTEX_INITIALIZER;
+
+int diameap_get_eap_user(struct eap_user * user, char * username)
+{
+	TRACE_ENTRY("%p %p",user,username);
+	if (db_conn == NULL)
+	{
+		TRACE_DEBUG(INFO, "%sNot connected to the MySQL Database server.",DIAMEAP_EXTENSION);
+
+		return EINVAL;
+
+	}
+	mysql_thread_init();
+
+	MYSQL_RES *res;
+	MYSQL_ROW row;
+	char * query;
+	CHECK_MALLOC(query=(char *)malloc(sizeof(char)*255));
+
+	sprintf(
+			query,
+			"SELECT id,username,password,eapmethod, vendor FROM users WHERE  users.username='%s' and users.active='Y' ",
+			username);
+
+	CHECK_POSIX(pthread_mutex_lock( &db_cs_mutex ));
+
+	if (mysql_query(db_conn, query))
+	{
+		CHECK_POSIX(pthread_mutex_unlock( &db_cs_mutex ));
+		TRACE_DEBUG(INFO, "%sQuery execution fail. %s",DIAMEAP_EXTENSION, mysql_error(db_conn));
+		mysql_thread_end();
+		free(query);
+		query = NULL;
+		return EINVAL;
+	}
+
+	res = mysql_store_result(db_conn);
+
+	CHECK_POSIX(pthread_mutex_unlock( &db_cs_mutex ));
+
+	if ((row = mysql_fetch_row(res)) != NULL)
+	{
+
+		user->id = atoi(row[0]);
+		CHECK_MALLOC(user->userid=malloc(strlen(row[1])+1));
+		memcpy(user->userid,row[1],strlen(row[1])+1);
+		user->useridLength = strlen(row[1]);
+		CHECK_MALLOC(user->password=malloc(strlen(row[2])+1));
+		memcpy(user->password, row[2],strlen(row[2])+1);
+		user->passwordLength = strlen(row[2]);
+		user->proposed_eap_method = atoi(row[3]);
+		user->proposed_eap_method_vendor = atoi(row[4]);
+
+		mysql_free_result(res);
+		mysql_thread_end();
+		free(query);
+		query = NULL;
+		return 0;
+	}
+
+	TRACE_DEBUG(INFO, "%sUser unavailable.",DIAMEAP_EXTENSION);
+	mysql_free_result(res);
+	mysql_thread_end();
+	free(query);
+	query = NULL;
+	return EINVAL;
+
+}
+
+int diameap_authentication_get_attribs(struct eap_user *user,
+		struct fd_list * attribute_list)
+{
+
+	TRACE_ENTRY("%p %p",user,attribute_list);
+
+	if (db_conn == NULL)
+	{
+		TRACE_DEBUG(INFO, "%sNot connected to the MySQL Database server.",DIAMEAP_EXTENSION);
+
+		return EINVAL;
+
+	}
+
+	mysql_thread_init();
+	MYSQL_RES *res;
+	MYSQL_ROW row;
+	char * query;
+	CHECK_MALLOC(query=malloc(sizeof(char)*255));
+
+	sprintf(
+			query,
+			"SELECT `authe`.`attribute` ,`authe`.`value` FROM `authe` WHERE `authe`.`grp` IN ( SELECT `user_grp`.`grp` FROM `user_grp` WHERE `user_grp`.`user` = %d ) ",
+			user->id);
+
+	CHECK_POSIX(pthread_mutex_lock( &db_cs_mutex ));
+
+	if (mysql_query(db_conn, query))
+	{
+		CHECK_POSIX(pthread_mutex_unlock( &db_cs_mutex ));
+		TRACE_DEBUG(INFO, "%sQuery execution fail. %s",DIAMEAP_EXTENSION, mysql_error(db_conn));
+		mysql_thread_end();
+		free(query);
+		query = NULL;
+		return EINVAL;
+	}
+
+	res = mysql_store_result(db_conn);
+
+	CHECK_POSIX(pthread_mutex_unlock( &db_cs_mutex ));
+
+	while ((row = mysql_fetch_row(res)))
+	{
+		struct auth_attribute * attribute;
+		CHECK_MALLOC(attribute = malloc(sizeof(struct auth_attribute)));
+		memset(attribute, 0, sizeof(struct auth_attribute));
+		fd_list_init(&attribute->chain, NULL);
+		attribute->attrib = strdup(row[0]);
+		attribute->op = NULL;
+		attribute->value = strdup(row[1]);
+		fd_list_insert_before(attribute_list, &attribute->chain);
+
+	}
+
+	mysql_free_result(res);
+	mysql_thread_end();
+	free(query);
+	query = NULL;
+	return 0;
+}
+
+int diameap_authorization_get_attribs(struct eap_user *user,
+		struct fd_list * attribute_list)
+{
+	TRACE_ENTRY("%p %p",user,attribute_list);
+
+	if (db_conn == NULL)
+	{
+		TRACE_DEBUG(INFO, "%sNot connected to the MySQL Database server.",DIAMEAP_EXTENSION);
+
+		return EINVAL;
+
+	}
+
+	mysql_thread_init();
+
+	MYSQL_RES *res;
+	MYSQL_ROW row;
+	char * query;
+	CHECK_MALLOC(query=malloc(sizeof(char)*255));
+
+	sprintf(
+			query,
+			"SELECT `authz`.`attribute` , `authz`.`op` , `authz`.`value` FROM `authz` WHERE `authz`.`grp` IN ( SELECT `user_grp`.`grp` FROM `user_grp` WHERE `user_grp`.`user` = %d ) ",
+			user->id);
+
+	CHECK_POSIX(pthread_mutex_lock( &db_cs_mutex ));
+
+	if (mysql_query(db_conn, query))
+	{
+		CHECK_POSIX(pthread_mutex_unlock( &db_cs_mutex ));
+		TRACE_DEBUG(INFO, "%sQuery execution fail. %s",DIAMEAP_EXTENSION, mysql_error(db_conn));
+		mysql_thread_end();
+		free(query);
+		query = NULL;
+		return EINVAL;
+	}
+
+	res = mysql_store_result(db_conn);
+
+	CHECK_POSIX(pthread_mutex_unlock( &db_cs_mutex ));
+
+	while ((row = mysql_fetch_row(res)))
+	{
+		struct auth_attribute * attribute;
+		CHECK_MALLOC(attribute = malloc(sizeof(struct auth_attribute)));
+		memset(attribute, 0, sizeof(struct auth_attribute));
+		fd_list_init(&attribute->chain, NULL);
+		attribute->attrib = strdup(row[0]);
+		attribute->op = strdup(row[1]);
+		attribute->value = strdup(row[2]);
+		fd_list_insert_before(attribute_list, &attribute->chain);
+	}
+
+	mysql_free_result(res);
+	mysql_thread_end();
+	free(query);
+	query = NULL;
+	return 0;
+}
+
+void diameap_mysql_disconnect()
+{
+	mysql_close(db_conn);
+}