From 4e55071879aae604b7b61c93dc815a357571cd88 Mon Sep 17 00:00:00 2001
From: Rene Mayrhofer <rene@mayrhofer.eu.org>
Date: Tue, 25 May 2010 19:09:13 +0000
Subject: New upstream release.

---
 src/libcharon/config/backend.h | 83 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 src/libcharon/config/backend.h

(limited to 'src/libcharon/config/backend.h')

diff --git a/src/libcharon/config/backend.h b/src/libcharon/config/backend.h
new file mode 100644
index 000000000..458abc37f
--- /dev/null
+++ b/src/libcharon/config/backend.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2007-2008 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.
+ */
+
+/**
+ * @defgroup backend backend
+ * @{ @ingroup config
+ */
+
+#ifndef BACKEND_H_
+#define BACKEND_H_
+
+typedef struct backend_t backend_t;
+
+#include <library.h>
+#include <config/ike_cfg.h>
+#include <config/peer_cfg.h>
+#include <utils/linked_list.h>
+
+/**
+ * The interface for a configuration backend.
+ *
+ * A configuration backend is loaded into the backend_manager. It does the actual
+ * configuration lookup for the method it implements. See backend_manager_t for
+ * more information.
+ */
+struct backend_t {
+
+	/**
+	 * Create an enumerator over all IKE configs matching two hosts.
+	 *
+	 * Hosts may be NULL to get all.
+	 *
+	 * There is no requirement for the backend to filter the configurations
+	 * using the supplied hosts; but it may do so if it increases lookup times
+	 * (e.g. include hosts in SQL query).
+	 *
+	 * @param me		address of local host
+	 * @param other		address of remote host
+	 * @return			enumerator over ike_cfg_t's
+	 */
+	enumerator_t* (*create_ike_cfg_enumerator)(backend_t *this,
+											   host_t *me, host_t *other);
+	/**
+	 * Create an enumerator over all peer configs matching two identities.
+	 *
+	 * IDs may be NULL to get all.
+	 *
+	 * As configurations are looked up in the first authentication round (when
+	 * multiple authentication), the backend implementation should compare
+	 * the identities to the first auth_cfgs only.
+	 * There is no requirement for the backend to filter the configurations
+	 * using the supplied identities; but it may do so if it increases lookup
+	 * times (e.g. include hosts in SQL query).
+	 *
+	 * @param me		identity of ourself
+	 * @param other		identity of remote host
+	 * @return			enumerator over peer_cfg_t
+	 */
+	enumerator_t* (*create_peer_cfg_enumerator)(backend_t *this,
+												identification_t *me,
+												identification_t *other);
+	/**
+	 * Get a peer_cfg identified by it's name, or a name of its children.
+	 *
+	 * @param name				name of peer/child cfg
+	 * @return					matching peer_config, or NULL if none found
+	 */
+	peer_cfg_t *(*get_peer_cfg_by_name)(backend_t *this, char *name);
+};
+
+#endif /** BACKEND_H_ @}*/
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