implementation of an CFG attribute framework, currently supporting virtual IPs

updated ipsec.conf sourceip parameter to support
	CIDR notatation to serve from a pool
	%poolname to query a separate (database?) pool

1 files changed, 82 insertions, 0 deletions

diff --git a/src/charon/config/attributes/attribute_manager.h b/src/charon/config/attributes/attribute_manager.h
new file mode 100644
index 000000000..540e054fd
--- /dev/null
+++ b/src/charon/config/attributes/attribute_manager.h
@@ -0,0 +1,82 @@
+/*
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup attribute_manager attribute_manager
+ * @{ @ingroup attributes
+ */
+
+#ifndef ATTRIBUTE_MANAGER_H_
+#define ATTRIBUTE_MANAGER_H_
+
+#include <config/attributes/attribute_provider.h>
+
+typedef struct attribute_manager_t attribute_manager_t;
+
+/**
+ * Provide configuration attributes to include in CFG Payloads.
+ */
+struct attribute_manager_t {
+
+	/**
+	 * Acquire a virtual IP address to assign to a peer.
+	 *
+	 * @param pool			pool name to acquire address from
+	 * @param id			peer identity to get address for
+	 * @param auth			authorization infos of peer
+	 * @param requested		IP in configuration request
+	 * @return				allocated address, NULL to serve none
+	 */
+	host_t* (*acquire_address)(attribute_manager_t *this,
+							   char *pool, identification_t *id,
+							   auth_info_t *auth, host_t *requested);
+	
+	/**
+	 * Release a previously acquired address.
+	 *
+	 * @param pool			pool name from which the address was acquired
+	 * @param address		address to release
+	 */
+	void (*release_address)(attribute_manager_t *this,
+							char *pool, host_t *address);
+	
+	/**
+	 * Register an attribute provider to the manager.
+	 *
+	 * @param provider		attribute provider to register
+	 */
+	void (*add_provider)(attribute_manager_t *this,
+						 attribute_provider_t *provider);
+	/**
+	 * Unregister an attribute provider from the manager.
+	 *
+	 * @param provider		attribute provider to unregister
+	 */
+	void (*remove_provider)(attribute_manager_t *this,
+							attribute_provider_t *provider);
+	/**
+     * Destroy a attribute_manager instance.
+     */
+    void (*destroy)(attribute_manager_t *this);
+};
+
+/**
+ * Create a attribute_manager instance.
+ */
+attribute_manager_t *attribute_manager_create();
+
+#endif /* ATTRIBUTE_MANAGER_H_ @}*/