Imported Upstream version 5.0.1

1 files changed, 140 insertions, 0 deletions

diff --git a/src/libipsec/ipsec_policy.h b/src/libipsec/ipsec_policy.h
new file mode 100644
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+++ b/src/libipsec/ipsec_policy.h
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+/*
+ * Copyright (C) 2012 Tobias Brunner
+ * Copyright (C) 2012 Giuliano Grassi
+ * Copyright (C) 2012 Ralf Sager
+ * 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 ipsec_policy ipsec_policy
+ * @{ @ingroup libipsec
+ */
+
+#ifndef IPSEC_POLICY_H
+#define IPSEC_POLICY_H
+
+#include "ip_packet.h"
+
+#include <library.h>
+#include <utils/host.h>
+#include <ipsec/ipsec_types.h>
+#include <selectors/traffic_selector.h>
+
+typedef struct ipsec_policy_t ipsec_policy_t;
+
+/**
+ * IPsec Policy
+ */
+struct ipsec_policy_t {
+
+	/**
+	 * Get the source traffic selector of this policy
+	 *
+	 * @return			the source traffic selector
+	 */
+	traffic_selector_t *(*get_source_ts)(ipsec_policy_t *this);
+
+	/**
+	 * Get the destination traffic selector of this policy
+	 *
+	 * @return			the destination traffic selector
+	 */
+	traffic_selector_t *(*get_destination_ts)(ipsec_policy_t *this);
+
+	/**
+	 * Get the direction of this policy
+	 *
+	 * @return			direction
+	 */
+	policy_dir_t (*get_direction)(ipsec_policy_t *this);
+
+	/**
+	 * Get the priority of this policy
+	 *
+	 * @return			priority
+	 */
+	policy_priority_t (*get_priority)(ipsec_policy_t *this);
+
+	/**
+	 * Get the type of this policy (e.g. IPsec)
+	 *
+	 * @return			the policy type
+	 */
+	policy_type_t (*get_type)(ipsec_policy_t *this);
+
+	/**
+	 * Get the reqid associated to this policy
+	 *
+	 * @return			the reqid
+	 */
+	u_int32_t (*get_reqid)(ipsec_policy_t *this);
+
+	/**
+	 * Get another reference to this policy
+	 *
+	 * @return			additional reference to the policy
+	 */
+	ipsec_policy_t *(*get_ref)(ipsec_policy_t *this);
+
+	/**
+	 * Check if this policy matches all given parameters
+	 *
+	 * @param src_ts		source traffic selector
+	 * @param dst_ts		destination traffic selector
+	 * @param direction		traffic direction
+	 * @param reqid			reqid of the policy
+	 * @param mark			mark for this policy
+	 * @param prioirty		policy priority
+	 * @return				TRUE if policy matches all parameters
+	 */
+	bool (*match)(ipsec_policy_t *this, traffic_selector_t *src_ts,
+				  traffic_selector_t *dst_ts, policy_dir_t direction,
+				  u_int32_t reqid, mark_t mark, policy_priority_t priority);
+
+	/**
+	 * Check if this policy matches the given IP packet
+	 *
+	 * @param packet		IP packet
+	 * @return				TRUE if policy matches the packet
+	 */
+	bool (*match_packet)(ipsec_policy_t *this, ip_packet_t *packet);
+
+	/**
+	 * Destroy an ipsec_policy_t
+	 */
+	void (*destroy)(ipsec_policy_t *this);
+
+};
+
+/**
+ * Create an ipsec_policy_t instance
+ *
+ * @param src			source address of SA
+ * @param dst			dest address of SA
+ * @param src_ts		traffic selector to match traffic source
+ * @param dst_ts		traffic selector to match traffic dest
+ * @param direction		direction of traffic, POLICY_(IN|OUT|FWD)
+ * @param type			type of policy, POLICY_(IPSEC|PASS|DROP)
+ * @param sa			details about the SA(s) tied to this policy
+ * @param mark			mark for this policy
+ * @param priority		priority of this policy
+ * @return				ipsec policy instance
+ */
+ipsec_policy_t *ipsec_policy_create(host_t *src, host_t *dst,
+									traffic_selector_t *src_ts,
+									traffic_selector_t *dst_ts,
+									policy_dir_t direction,	policy_type_t type,
+									ipsec_sa_cfg_t *sa, mark_t mark,
+									policy_priority_t priority);
+
+#endif /** IPSEC_POLICY_H @}*/