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authorRene Mayrhofer <rene@mayrhofer.eu.org>2007-04-12 20:41:31 +0000
committerRene Mayrhofer <rene@mayrhofer.eu.org>2007-04-12 20:41:31 +0000
commit774a362e87feab25f1be16fbca08269ddc7121a4 (patch)
treecf71f4e7466468ac3edc2127125f333224a9acfb /src/charon/sa/tasks/child_rekey.h
parentc54a140a445bfe7aa66721f68bb0781f26add91c (diff)
downloadvyos-strongswan-774a362e87feab25f1be16fbca08269ddc7121a4.tar.gz
vyos-strongswan-774a362e87feab25f1be16fbca08269ddc7121a4.zip
Major new upstream release, just ran svn-upgrade for now (and wrote some
debian/changelong entries).
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+/**
+ * @file child_rekey.h
+ *
+ * @brief Interface child_rekey_t.
+ *
+ */
+
+/*
+ * Copyright (C) 2007 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.
+ */
+
+#ifndef CHILD_REKEY_H_
+#define CHILD_REKEY_H_
+
+typedef struct child_rekey_t child_rekey_t;
+
+#include <library.h>
+#include <sa/ike_sa.h>
+#include <sa/child_sa.h>
+#include <sa/tasks/task.h>
+
+/**
+ * @brief Task of type CHILD_REKEY, rekey an established CHILD_SA.
+ *
+ * @b Constructors:
+ * - child_rekey_create()
+ *
+ * @ingroup tasks
+ */
+struct child_rekey_t {
+
+ /**
+ * Implements the task_t interface
+ */
+ task_t task;
+
+ /**
+ * @brief Register a rekeying task which collides with this one
+ *
+ * If two peers initiate rekeying at the same time, the collision must
+ * be handled gracefully. The task manager is aware of what exchanges
+ * are going on and notifies the outgoing task by passing the incoming.
+ *
+ * @param this task initated by us
+ * @param other incoming task
+ */
+ void (*collide)(child_rekey_t* this, task_t *other);
+};
+
+/**
+ * @brief Create a new CHILD_REKEY task.
+ *
+ * @param ike_sa IKE_SA this task works for
+ * @param child_sa child_sa to rekey, NULL if responder
+ * @return child_rekey task to handle by the task_manager
+ */
+child_rekey_t *child_rekey_create(ike_sa_t *ike_sa, child_sa_t *child_sa);
+
+#endif /* CHILD_REKEY_H_ */