221 lines
6.3 KiB
C
221 lines
6.3 KiB
C
/**
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* @file sa_config.h
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*
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* @brief Interface of sa_config_t.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef _SA_CONFIG_H_
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#define _SA_CONFIG_H_
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#include <types.h>
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#include <utils/identification.h>
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#include <encoding/payloads/auth_payload.h>
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#include <encoding/payloads/transform_substructure.h>
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#include <network/host.h>
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#include <transforms/crypters/crypter.h>
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#include <transforms/signers/signer.h>
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#include <transforms/diffie_hellman.h>
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#include <config/traffic_selector.h>
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#include <config/proposal.h>
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typedef struct sa_config_t sa_config_t;
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/**
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* @brief Stores configuration of an initialized connection.
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*
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* During the IKE_AUTH phase, we have enough data to specify a
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* configuration.
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*
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* @warning This config is not thread save.
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*
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* @b Constructors:
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* - sa_config_create()
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*
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* @ingroup config
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*/
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struct sa_config_t {
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/**
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* @brief Get own id to use for identification.
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*
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* Returned object is not getting cloned.
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*
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* @param this calling object
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* @return own id
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*/
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identification_t *(*get_my_id) (sa_config_t *this);
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/**
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* @brief Get id of communication partner.
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*
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* Returned object is not getting cloned.
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*
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* @param this calling object
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* @return other id
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*/
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identification_t *(*get_other_id) (sa_config_t *this);
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/**
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* @brief Get authentication method to use for IKE_AUTH.
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*
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* @param this calling object
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* @return authentication methood
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*/
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auth_method_t (*get_auth_method) (sa_config_t *this);
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/**
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* @brief Get lifetime of IKE_SA in milliseconds.
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*
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* @return IKE_SA lifetime in milliseconds.
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*/
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u_int32_t (*get_ike_sa_lifetime) (sa_config_t *this);
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/**
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* @brief Get configured traffic selectors for our site.
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*
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* Returns a list with all traffic selectors for the local
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* site. List and items MUST NOT be freed nor modified.
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*
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* @param this calling object
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* @return list with traffic selectors
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*/
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linked_list_t *(*get_my_traffic_selectors) (sa_config_t *this);
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/**
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* @brief Get configured traffic selectors for others site.
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*
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* Returns a list with all traffic selectors for the remote
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* site. List and items MUST NOT be freed nor modified.
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*
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* @param this calling object
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* @return list with traffic selectors
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*/
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linked_list_t *(*get_other_traffic_selectors) (sa_config_t *this);
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/**
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* @brief Select traffic selectors from a supplied list for local site.
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*
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* Resulted list and traffic selectors must be destroyed after usage.
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*
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* @param this calling object
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* @param supplied linked list with traffic selectors
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* @return list containing the selected traffic selectors
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*/
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linked_list_t *(*select_my_traffic_selectors) (sa_config_t *this, linked_list_t *supplied);
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/**
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* @brief Select traffic selectors from a supplied list for remote site.
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*
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* Resulted list and traffic selectors must be destroyed after usage.
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*
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* @param this calling object
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* @param supplied linked list with traffic selectors
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* @return list containing the selected traffic selectors
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*/
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linked_list_t *(*select_other_traffic_selectors) (sa_config_t *this, linked_list_t *supplied);
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/**
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* @brief Get the list of internally stored proposals.
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*
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* Rembember: sa_config_t does store proposals for AH/ESP,
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* IKE proposals are in the init_config_t
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*
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* @warning List and Items are still owned by sa_config and MUST NOT
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* be manipulated or freed!
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*
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* @param this calling object
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* @return lists with proposals
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*/
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linked_list_t *(*get_proposals) (sa_config_t *this);
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/**
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* @brief Select a proposal from a supplied list.
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*
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* @param this calling object
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* @param proposals list from from wich proposals are selected
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* @return selected proposal, or NULL if nothing matches
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*/
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proposal_t *(*select_proposal) (sa_config_t *this, linked_list_t *proposals);
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/**
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* @brief Add a traffic selector to the list for local site.
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*
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* After add, proposal is owned by sa_config.
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*
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* @warning Do not add while other threads are reading.
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*
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* @param this calling object
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* @param traffic_selector traffic_selector to add
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*/
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void (*add_my_traffic_selector) (sa_config_t *this, traffic_selector_t *traffic_selector);
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/**
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* @brief Add a traffic selector to the list for remote site.
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*
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* After add, proposal is owned by sa_config.
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*
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* @warning Do not add while other threads are reading.
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*
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* @param this calling object
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* @param traffic_selector traffic_selector to add
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*/
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void (*add_other_traffic_selector) (sa_config_t *this, traffic_selector_t *traffic_selector);
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/**
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* @brief Add a proposal to the list.
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*
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* The proposals are stored by priority, first added
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* is the most prefered.
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*
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* @warning Do not add while other threads are reading.
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*
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* @param this calling object
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* @param proposal proposal to add
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*/
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void (*add_proposal) (sa_config_t *this, proposal_t *proposal);
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/**
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* @brief Destroys the config object
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*
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* @param this calling object
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*/
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void (*destroy) (sa_config_t *this);
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};
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/**
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* @brief Create a configuration object for IKE_AUTH and later.
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*
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* @param my_id_type type of my identification
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* @param my_id my identification as string
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* @param other_id_type type of other identification
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* @param other_id other identification as string
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* @param auth_method Method of authentication
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* @param ike_sa_lifetime lifetime of this IKE_SA in milliseconds. IKE_SA will be deleted
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* after this lifetime!
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* @return sa_config_t object
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*
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* @ingroup config
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*/
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sa_config_t *sa_config_create(id_type_t my_id_type, char *my_id, id_type_t other_id_type, char *other_id, auth_method_t auth_method, u_int32_t ike_sa_lifetime);
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#endif //_SA_CONFIG_H_
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