r2321: add complately untested LDAP server start

based on volker's patch

this is compiled by default but not started by default

metze

source/ldap_server/ldap_server.h

@@ -0,0 +1,43 @@
+/* 
+   Unix SMB/CIFS implementation.
+   LDAP server
+   Copyright (C) Volker Lendecke 2004
+   Copyright (C) Stefan Metzmacher 2004
+   
+   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.
+   
+   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.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+struct ldap_message_queue {
+	struct ldap_message_queue *prev, *next;
+	struct ldap_message *msg;
+};
+
+struct rw_buffer {
+	uint8_t *data;
+	size_t ofs, length;
+};
+
+struct ldapsrv_connection {
+	struct server_connection *connection;
+
+	struct gensec_security *gensec_ctx;
+
+	struct auth_session_info *session_info;
+
+	struct rw_buffer in_buffer;
+	struct rw_buffer out_buffer;
+	struct ldap_message_queue *in_queue;
+	struct ldap_message_queue *out_queue;
+};