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/**
* @file configuration_attribute.h
*
* @brief Interface of configuration_attribute_t.
*
*/
/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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 CONFIGURATION_ATTRIBUTE_H_
#define CONFIGURATION_ATTRIBUTE_H_
typedef enum configuration_attribute_type_t configuration_attribute_type_t;
typedef struct configuration_attribute_t configuration_attribute_t;
#include <library.h>
#include <encoding/payloads/payload.h>
/**
* Configuration attribute header length in bytes.
*
* @ingroup payloads
*/
#define CONFIGURATION_ATTRIBUTE_HEADER_LENGTH 4
/**
* Type of the attribute, as in IKEv2 RFC 3.15.1.
*
* @ingroup payloads
*/
enum configuration_attribute_type_t {
INTERNAL_IP4_ADDRESS = 1,
INTERNAL_IP4_NETMASK = 2,
INTERNAL_IP4_DNS = 3,
INTERNAL_IP4_NBNS = 4,
INTERNAL_ADDRESS_EXPIRY = 5,
INTERNAL_IP4_DHCP = 6,
APPLICATION_VERSION = 7,
INTERNAL_IP6_ADDRESS = 8,
INTERNAL_IP6_DNS = 10,
INTERNAL_IP6_NBNS = 11,
INTERNAL_IP6_DHCP = 12,
INTERNAL_IP4_SUBNET = 13,
SUPPORTED_ATTRIBUTES = 14,
INTERNAL_IP6_SUBNET = 15
};
/**
* enum names for configuration_attribute_type_t.
*
* @ingroup payloads
*/
extern enum_name_t *configuration_attribute_type_names;
/**
* @brief Class representing an IKEv2-CONFIGURATION Attribute.
*
* The CONFIGURATION ATTRIBUTE format is described in RFC section 3.15.1.
*
* @b Constructors:
* - configuration_attribute_create()
*
* @ingroup payloads
*/
struct configuration_attribute_t {
/**
* The payload_t interface.
*/
payload_t payload_interface;
/**
* @brief Returns the currently set value of the attribute.
*
* @warning Returned data are not copied.
*
* @param this calling configuration_attribute_t object
* @return chunk_t pointing to the value
*/
chunk_t (*get_value) (configuration_attribute_t *this);
/**
* @brief Sets the value of the attribute.
*
* @warning Value is getting copied.
*
* @param this calling configuration_attribute_t object
* @param value chunk_t pointing to the value to set
*/
void (*set_value) (configuration_attribute_t *this, chunk_t value);
/**
* @brief Sets the type of the attribute.
*
* @param this calling configuration_attribute_t object
* @param type type to set (most significant bit is set to zero)
*/
void (*set_type) (configuration_attribute_t *this, u_int16_t type);
/**
* @brief get the type of the attribute.
*
* @param this calling configuration_attribute_t object
* @return type of the value
*/
u_int16_t (*get_type) (configuration_attribute_t *this);
/**
* @brief get the length of an attribute.
*
* @param this calling configuration_attribute_t object
* @return type of the value
*/
u_int16_t (*get_length) (configuration_attribute_t *this);
/**
* @brief Destroys an configuration_attribute_t object.
*
* @param this configuration_attribute_t object to destroy
*/
void (*destroy) (configuration_attribute_t *this);
};
/**
* @brief Creates an empty configuration_attribute_t object.
*
* @return created configuration_attribute_t object
*
* @ingroup payloads
*/
configuration_attribute_t *configuration_attribute_create(void);
#endif /* CONFIGURATION_ATTRIBUTE_H_*/
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