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/*
* Copyright (C) 2002-2021 Free Software Foundation, Inc.
*
* This file is part of LIBTASN1.
*
* The LIBTASN1 library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#ifndef INT_H
#define INT_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <libtasn1.h>
#define ASN1_SMALL_VALUE_SIZE 16
/* This structure is also in libtasn1.h, but then contains less
fields. You cannot make any modifications to these first fields
without breaking ABI. */
struct asn1_node_st
{
/* public fields: */
char name[ASN1_MAX_NAME_SIZE + 1]; /* Node name */
unsigned int name_hash;
unsigned int type; /* Node type */
unsigned char *value; /* Node value */
int value_len;
asn1_node down; /* Pointer to the son node */
asn1_node right; /* Pointer to the brother node */
asn1_node left; /* Pointer to the next list element */
/* private fields: */
unsigned char small_value[ASN1_SMALL_VALUE_SIZE]; /* For small values */
/* values used during decoding/coding */
int tmp_ival;
unsigned start; /* the start of the DER sequence - if decoded */
unsigned end; /* the end of the DER sequence - if decoded */
};
typedef struct tag_and_class_st
{
unsigned tag;
unsigned class;
const char *desc;
} tag_and_class_st;
/* the types that are handled in _asn1_tags */
#define CASE_HANDLED_ETYPES \
case ASN1_ETYPE_NULL: \
case ASN1_ETYPE_BOOLEAN: \
case ASN1_ETYPE_INTEGER: \
case ASN1_ETYPE_ENUMERATED: \
case ASN1_ETYPE_OBJECT_ID: \
case ASN1_ETYPE_OCTET_STRING: \
case ASN1_ETYPE_GENERALSTRING: \
case ASN1_ETYPE_NUMERIC_STRING: \
case ASN1_ETYPE_IA5_STRING: \
case ASN1_ETYPE_TELETEX_STRING: \
case ASN1_ETYPE_PRINTABLE_STRING: \
case ASN1_ETYPE_UNIVERSAL_STRING: \
case ASN1_ETYPE_BMP_STRING: \
case ASN1_ETYPE_UTF8_STRING: \
case ASN1_ETYPE_VISIBLE_STRING: \
case ASN1_ETYPE_BIT_STRING: \
case ASN1_ETYPE_SEQUENCE: \
case ASN1_ETYPE_SEQUENCE_OF: \
case ASN1_ETYPE_SET: \
case ASN1_ETYPE_UTC_TIME: \
case ASN1_ETYPE_GENERALIZED_TIME: \
case ASN1_ETYPE_SET_OF
#define ETYPE_TAG(etype) (_asn1_tags[etype].tag)
#define ETYPE_CLASS(etype) (_asn1_tags[etype].class)
#define ETYPE_OK(etype) (((etype) != ASN1_ETYPE_INVALID && \
(etype) <= _asn1_tags_size && \
_asn1_tags[(etype)].desc != NULL)?1:0)
#define ETYPE_IS_STRING(etype) ((etype == ASN1_ETYPE_GENERALSTRING || \
etype == ASN1_ETYPE_NUMERIC_STRING || etype == ASN1_ETYPE_IA5_STRING || \
etype == ASN1_ETYPE_TELETEX_STRING || etype == ASN1_ETYPE_PRINTABLE_STRING || \
etype == ASN1_ETYPE_UNIVERSAL_STRING || etype == ASN1_ETYPE_BMP_STRING || \
etype == ASN1_ETYPE_UTF8_STRING || etype == ASN1_ETYPE_VISIBLE_STRING || \
etype == ASN1_ETYPE_OCTET_STRING)?1:0)
extern unsigned int _asn1_tags_size;
extern const tag_and_class_st _asn1_tags[];
#define _asn1_strlen(s) strlen((const char *) s)
#define _asn1_strtol(n,e,b) strtol((const char *) n, e, b)
#define _asn1_strtoul(n,e,b) strtoul((const char *) n, e, b)
#define _asn1_strcmp(a,b) strcmp((const char *)a, (const char *)b)
#define _asn1_strcpy(a,b) strcpy((char *)a, (const char *)b)
#define _asn1_strcat(a,b) strcat((char *)a, (const char *)b)
#if SIZEOF_UNSIGNED_LONG_INT == 8
# define _asn1_strtou64(n,e,b) strtoul((const char *) n, e, b)
#else
# define _asn1_strtou64(n,e,b) strtoull((const char *) n, e, b)
#endif
#define MAX_LOG_SIZE 1024 /* maximum number of characters of a log message */
/* Define used for visiting trees. */
#define UP 1
#define RIGHT 2
#define DOWN 3
/***********************************************************************/
/* List of constants to better specify the type of typedef asn1_node_st. */
/***********************************************************************/
/* Used with TYPE_TAG */
#define CONST_UNIVERSAL (1U<<8)
#define CONST_PRIVATE (1U<<9)
#define CONST_APPLICATION (1U<<10)
#define CONST_EXPLICIT (1U<<11)
#define CONST_IMPLICIT (1U<<12)
#define CONST_TAG (1U<<13) /* Used in ASN.1 assignement */
#define CONST_OPTION (1U<<14)
#define CONST_DEFAULT (1U<<15)
#define CONST_TRUE (1U<<16)
#define CONST_FALSE (1U<<17)
#define CONST_LIST (1U<<18) /* Used with TYPE_INTEGER and TYPE_BIT_STRING */
#define CONST_MIN_MAX (1U<<19)
#define CONST_1_PARAM (1U<<20)
#define CONST_SIZE (1U<<21)
#define CONST_DEFINED_BY (1U<<22)
/* Those two are deprecated and used for backwards compatibility */
#define CONST_GENERALIZED (1U<<23)
#define CONST_UTC (1U<<24)
/* #define CONST_IMPORTS (1U<<25) */
#define CONST_NOT_USED (1U<<26)
#define CONST_SET (1U<<27)
#define CONST_ASSIGN (1U<<28)
#define CONST_DOWN (1U<<29)
#define CONST_RIGHT (1U<<30)
#define ASN1_ETYPE_TIME 17
/****************************************/
/* Returns the first 8 bits. */
/* Used with the field type of asn1_node_st */
/****************************************/
inline static unsigned int
type_field (unsigned int ntype)
{
return (ntype & 0xff);
}
/* To convert old types from a static structure */
inline static unsigned int
convert_old_type (unsigned int ntype)
{
unsigned int type = ntype & 0xff;
if (type == ASN1_ETYPE_TIME)
{
if (ntype & CONST_UTC)
type = ASN1_ETYPE_UTC_TIME;
else
type = ASN1_ETYPE_GENERALIZED_TIME;
ntype &= ~(CONST_UTC | CONST_GENERALIZED);
ntype &= 0xffffff00;
ntype |= type;
return ntype;
}
else
return ntype;
}
static inline
void *_asn1_realloc(void *ptr, size_t size)
{
void *ret;
if (size == 0)
return ptr;
ret = realloc(ptr, size);
if (ret == NULL)
{
free(ptr);
}
return ret;
}
#endif /* INT_H */
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