147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/**
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* @file configuration_attribute.h
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*
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* @brief Interface of configuration_attribute_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 _CONFIGURATION_ATTRIBUTE_H_
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#define _CONFIGURATION_ATTRIBUTE_H_
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#include <types.h>
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#include <encoding/payloads/payload.h>
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/**
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* Configuration attribute header length in bytes.
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*
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* @ingroup payloads
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*/
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#define CONFIGURATION_ATTRIBUTE_HEADER_LENGTH 4
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typedef enum configuration_attribute_type_t configuration_attribute_type_t;
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/**
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* Type of the attribute, as in IKEv2 draft 3.15.1.
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*
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* @ingroup payloads
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*/
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enum configuration_attribute_type_t {
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INTERNAL_IP4_ADDRESS = 1,
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INTERNAL_IP4_NETMASK = 2,
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INTERNAL_IP4_DNS = 3,
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INTERNAL_IP4_NBNS = 4,
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INTERNAL_ADDRESS_EXPIRY = 5,
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INTERNAL_IP4_DHCP = 6,
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APPLICATION_VERSION = 7,
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INTERNAL_IP6_ADDRESS = 8,
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INTERNAL_IP6_DNS = 10,
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INTERNAL_IP6_NBNS = 11,
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INTERNAL_IP6_DHCP = 12,
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INTERNAL_IP4_SUBNET = 13,
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SUPPORTED_ATTRIBUTES = 14,
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INTERNAL_IP6_SUBNET = 15
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};
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/**
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* String mappings for configuration_attribute_type_t.
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*
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* @ingroup payloads
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*/
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extern mapping_t configuration_attribute_type_m[];
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typedef struct configuration_attribute_t configuration_attribute_t;
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/**
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* Object representing an IKEv2- CONFIGURATION Attribute.
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*
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* The CONFIGURATION ATTRIBUTE format is described in RFC section 3.15.1.
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*
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* @ingroup payloads
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*/
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struct configuration_attribute_t {
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/**
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* The payload_t interface.
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*/
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payload_t payload_interface;
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/**
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* @brief Returns the currently set value of the attribute.
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*
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* @warning Returned data are not copied.
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*
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* @param this calling configuration_attribute_t object
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* @return chunk_t pointing to the value
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*/
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chunk_t (*get_value) (configuration_attribute_t *this);
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/**
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* @brief Sets the value of the attribute.
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*
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* @warning Value is getting copied.
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*
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* @param this calling configuration_attribute_t object
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* @param value chunk_t pointing to the value to set
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*/
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void (*set_value) (configuration_attribute_t *this, chunk_t value);
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/**
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* @brief Sets the type of the attribute.
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*
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* @param this calling configuration_attribute_t object
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* @param type type to set (most significant bit is set to zero)
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*/
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void (*set_attribute_type) (configuration_attribute_t *this, u_int16_t type);
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/**
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* @brief get the type of the attribute.
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*
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* @param this calling configuration_attribute_t object
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* @return type of the value
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*/
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u_int16_t (*get_attribute_type) (configuration_attribute_t *this);
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/**
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* @brief get the length of an attribute.
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*
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* @param this calling configuration_attribute_t object
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* @return type of the value
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*/
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u_int16_t (*get_attribute_length) (configuration_attribute_t *this);
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/**
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* @brief Destroys an configuration_attribute_t object.
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*
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* @param this configuration_attribute_t object to destroy
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*/
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void (*destroy) (configuration_attribute_t *this);
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};
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/**
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* @brief Creates an empty configuration_attribute_t object.
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*
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* @return created configuration_attribute_t object
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*
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* @ingroup payloads
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*/
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configuration_attribute_t *configuration_attribute_create();
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#endif /*_CONFIGURATION_ATTRIBUTE_H_*/
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