1 files changed, 83 insertions, 0 deletions
diff --git a/src/libcharon/sa/tasks/child_create.h b/src/libcharon/sa/tasks/child_create.h
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+++ b/src/libcharon/sa/tasks/child_create.h
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+/*
+ * 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.
+ */
+
+/**
+ * @defgroup child_create child_create
+ * @{ @ingroup tasks
+ */
+
+#ifndef CHILD_CREATE_H_
+#define CHILD_CREATE_H_
+
+typedef struct child_create_t child_create_t;
+
+#include <library.h>
+#include <sa/ike_sa.h>
+#include <sa/tasks/task.h>
+#include <config/child_cfg.h>
+
+/**
+ * Task of type CHILD_CREATE, established a new CHILD_SA.
+ *
+ * This task may be included in the IKE_AUTH message or in a separate
+ * CREATE_CHILD_SA exchange.
+ */
+struct child_create_t {
+
+	/**
+	 * Implements the task_t interface
+	 */
+	task_t task;
+
+	/**
+	 * Use a specific reqid for the CHILD_SA.
+	 *
+	 * When this task is used for rekeying, the same reqid is used
+	 * for the new CHILD_SA.
+	 *
+	 * @param reqid		reqid to use
+	 */
+	void (*use_reqid) (child_create_t *this, u_int32_t reqid);
+
+	/**
+	 * Get the lower of the two nonces, used for rekey collisions.
+	 *
+	 * @return			lower nonce
+	 */
+	chunk_t (*get_lower_nonce) (child_create_t *this);
+
+	/**
+	 * Get the CHILD_SA established/establishing by this task.
+	 *
+	 * @return			child_sa
+	 */
+	child_sa_t* (*get_child) (child_create_t *this);
+};
+
+/**
+ * Create a new child_create task.
+ *
+ * @param ike_sa		IKE_SA this task works for
+ * @param config		child_cfg if task initiator, NULL if responder
+ * @param rekey			whether we do a rekey or not
+ * @param tsi			source of triggering packet, or NULL
+ * @param tsr			destination of triggering packet, or NULL
+ * @return				child_create task to handle by the task_manager
+ */
+child_create_t *child_create_create(ike_sa_t *ike_sa,
+							child_cfg_t *config, bool rekey,
+							traffic_selector_t *tsi, traffic_selector_t *tsr);
+
+#endif /** CHILD_CREATE_H_ @}*/