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/**
* @file definitions.h
*
* @brief General purpose definitions and macros.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
* Copyright (C) 1998, 1999 D. Hugh Redelmeier. (Endian stuff)
*
* 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 DEFINITIONS_H_
#define DEFINITIONS_H_
/* stolen from strongswan */
#if linux
# if defined(i386) && !defined(__i386__)
# define __i386__ 1
# define MYHACKFORTHIS 1
# endif
# include <endian.h>
# ifdef MYHACKFORTHIS
# undef __i386__
# undef MYHACKFORTHIS
# endif
#elif !(defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN) && defined(BYTE_ORDER))
/* we don't know how to do this, so we require the macros to be defined
* with compiler flags:
* -DBIG_ENDIAN=4321 -DLITTLE_ENDIAN=1234 -DBYTE_ORDER=BIG_ENDIAN
* or -DBIG_ENDIAN=4321 -DLITTLE_ENDIAN=1234 -DBYTE_ORDER=LITTLE_ENDIAN
* Thse match the GNU definitions
*/
# include <sys/endian.h>
#endif
#ifndef BIG_ENDIAN
#error "BIG_ENDIAN must be defined"
#endif
#ifndef LITTLE_ENDIAN
#error "LITTLE_ENDIAN must be defined"
#endif
#ifndef BYTE_ORDER
#error "BYTE_ORDER must be defined"
#endif
/**
* @defgroup config config
*
* Classes implementing configuration related things.
*/
/**
* @defgroup encoding encoding
*
* Classes used to encode and decode IKEv2 messages.
*/
/**
* @defgroup network network
*
* Classes for network relevant stuff.
*/
/**
* @defgroup payloads payloads
*
* Classes representing specific IKEv2 payloads.
*
* @ingroup encoding
*/
/**
* @defgroup sa sa
*
* Security association and helper classes.
*/
/**
* @defgroup states states
*
* Varius states in which an IKE SA can be.
*
* @ingroup sa
*/
/**
* @defgroup queues queues
*
* Different kind of queues.
*/
/**
* @defgroup jobs jobs
*
* Jobs used in job queue and event queue.
*
* @ingroup queues
*/
/**
* @defgroup testcases testcases
*
* Testcases used to test the different classes in seperate module tests.
*/
/**
* @defgroup transforms transforms
*
* Transform algorithms of different kind.
*/
/**
* @defgroup rsa rsa
*
* RSA public key algorithm.
*
* @ingroup transforms
*/
/**
* @defgroup prfs prfs
*
* Pseudo random functions.
*
* @ingroup transforms
*/
/**
* @defgroup signers signers
*
* Symmetric signing algorithms, used to ensure message integrity.
*
* @ingroup transforms
*/
/**
* @defgroup crypters crypters
*
* Symmetric encryption algorithms, used to encrypt and decrypt.
*
* @ingroup transforms
*/
/**
* @defgroup hashers hashers
*
* Hashing algorithms.
*
* @ingroup transforms
*/
/**
* @defgroup utils utils
*
* Generic helper classes.
*/
/**
* @defgroup threads threads
*
* Threaded classes, which will do their job alone.
*/
/**
* Macro gives back larger of two values.
*/
#define max(x,y) (x > y ? x : y)
/**
* Macro gives back smaller of two values.
*/
#define min(x,y) (x < y ? x : y)
/**
* Papping entry which defines the end of a mapping_t array.
*/
#define MAPPING_END (-1)
typedef struct mapping_t mapping_t;
/**
* @brief Mapping entry, where enum-to-string mappings are stored.
*/
struct mapping_t
{
/**
* Enumeration value.
*/
int value;
/**
* Mapped string.
*/
char *string;
};
/**
* @brief Find a mapping_string in the mapping[].
*
* @param mappings mappings array
* @param value enum-value to get the string from
*
*/
char *mapping_find(mapping_t *mappings, int value);
#endif /*DEFINITIONS_H_*/
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