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/*
* Copyright (C) 2002 Fabio Fiorina
*
* This file is part of LIBASN1.
*
* GNUTLS 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.
*
* GNUTLS 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef INT_H
#define INT_H
#include <defines.h>
/*
#define LIBTASN1_DEBUG
#define LIBTASN1_DEBUG_PARSER
#define LIBTASN1_DEBUG_INTEGER
*/
#include <mem.h>
#define LIBTASN1_VERSION "0.2.8"
#define MAX32 4294967295
#define MAX24 16777215
#define MAX16 65535
#define MAX_LOG_SIZE 1024 /* maximum number of characters of a log message */
#define MAX_NAME_SIZE 128 /* maximum number of characters of a name inside an ASN1 file definitons */
#define MAX_ERROR_DESCRIPTION_SIZE 128 /* maximum number of characters of a description message */
/*****************************************/
/* Constants returned by asn1_read_tag */
/*****************************************/
#define ASN1_CLASS_UNIVERSAL 1
#define ASN1_CLASS_APPLICATION 2
#define ASN1_CLASS_CONTEXT_SPECIFIC 3
#define ASN1_CLASS_PRIVATE 4
/*****************************************/
/* Constants returned by asn1_read_tag */
/*****************************************/
#define ASN1_TAG_BOOLEAN 0x01
#define ASN1_TAG_INTEGER 0x02
#define ASN1_TAG_SEQUENCE 0x10
#define ASN1_TAG_SET 0x11
#define ASN1_TAG_OCTET_STRING 0x04
#define ASN1_TAG_BIT_STRING 0x03
#define ASN1_TAG_UTCTime 0x17
#define ASN1_TAG_GENERALIZEDTime 0x18
#define ASN1_TAG_OBJECT_ID 0x06
#define ASN1_TAG_ENUMERATED 0x0A
#define ASN1_TAG_NULL 0x05
#define ASN1_TAG_GENERALSTRING 0x1B
/* define used for visiting trees */
#define UP 1
#define RIGHT 2
#define DOWN 3
typedef int asn1_retCode; /* type returned by libasn1 functions */
/******************************************************/
/* Structure definition used for the node of the tree */
/* that rappresent an ASN.1 DEFINITION. */
/******************************************************/
typedef struct node_asn_struct{
char *name; /* Node name */
unsigned int type; /* Node type */
unsigned char *value; /* Node value */
struct node_asn_struct *down; /* Pointer to the son node */
struct node_asn_struct *right; /* Pointer to the brother node */
struct node_asn_struct *left; /* Pointer to the next list element */
} node_asn;
typedef node_asn* ASN1_TYPE;
#define ASN1_TYPE_EMPTY NULL
struct static_struct_asn{
char *name; /* Node name */
unsigned int type; /* Node type */
unsigned char *value; /* Node value */
};
typedef struct static_struct_asn ASN1_ARRAY_TYPE;
/****************************************/
/* Returns the first 8 bits. */
/* Used with the field type of node_asn */
/****************************************/
#define type_field(x) (x&0xFF)
/* List of constants for field type of typedef node_asn */
#define TYPE_CONSTANT 1
#define TYPE_IDENTIFIER 2
#define TYPE_INTEGER 3
#define TYPE_BOOLEAN 4
#define TYPE_SEQUENCE 5
#define TYPE_BIT_STRING 6
#define TYPE_OCTET_STRING 7
#define TYPE_TAG 8
#define TYPE_DEFAULT 9
#define TYPE_SIZE 10
#define TYPE_SEQUENCE_OF 11
#define TYPE_OBJECT_ID 12
#define TYPE_ANY 13
#define TYPE_SET 14
#define TYPE_SET_OF 15
#define TYPE_DEFINITIONS 16
#define TYPE_TIME 17
#define TYPE_CHOICE 18
#define TYPE_IMPORTS 19
#define TYPE_NULL 20
#define TYPE_ENUMERATED 21
#define TYPE_GENERALSTRING 27
/***********************************************************************/
/* List of constants for specify better the type of typedef node_asn. */
/***********************************************************************/
/* Used with TYPE_TAG */
#define CONST_UNIVERSAL (1<<8)
#define CONST_PRIVATE (1<<9)
#define CONST_APPLICATION (1<<10)
#define CONST_EXPLICIT (1<<11)
#define CONST_IMPLICIT (1<<12)
#define CONST_TAG (1<<13) /* Used in ASN.1 assignement */
#define CONST_OPTION (1<<14)
#define CONST_DEFAULT (1<<15)
#define CONST_TRUE (1<<16)
#define CONST_FALSE (1<<17)
#define CONST_LIST (1<<18) /* Used with TYPE_INTEGER and TYPE_BIT_STRING */
#define CONST_MIN_MAX (1<<19)
#define CONST_1_PARAM (1<<20)
#define CONST_SIZE (1<<21)
#define CONST_DEFINED_BY (1<<22)
#define CONST_GENERALIZED (1<<23)
#define CONST_UTC (1<<24)
/* #define CONST_IMPORTS (1<<25) */
#define CONST_NOT_USED (1<<26)
#define CONST_SET (1<<27)
#define CONST_ASSIGN (1<<28)
#define CONST_DOWN (1<<29)
#define CONST_RIGHT (1<<30)
/* functions */
asn1_retCode asn1_delete_structure(ASN1_TYPE *structure);
asn1_retCode asn1_create_element(ASN1_TYPE definitions,const char *source_name,
ASN1_TYPE *element);
asn1_retCode asn1_read_value(ASN1_TYPE element,const char *name,
void *value,int *len);
asn1_retCode
asn1_expand_octet_string(ASN1_TYPE definitions,ASN1_TYPE *element,
const char *octetName,const char *objectName);
asn1_retCode
asn1_expand_any_defined_by(ASN1_TYPE definitions,ASN1_TYPE *element);
asn1_retCode
asn1_der_decoding(ASN1_TYPE *element,const void *ider,int len,
char *errorDescription);
#endif /* INT_H */
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