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/*
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation
* Copyright (C) 2002 Fabio Fiorina
*
* This file is part of LIBTASN1.
*
* LIBTASN1 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.
*
* LIBTASN1 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 LIBTASN1; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*
*/
#ifndef LIBTASN1_H
# define LIBTASN1_H
# ifndef ASN1_API
# if defined ASN1_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
# define ASN1_API __attribute__((__visibility__("default")))
# elif defined ASN1_BUILDING && defined _MSC_VER && ! defined ASN1_STATIC
# define ASN1_API __declspec(dllexport)
# elif defined _MSC_VER && ! defined ASN1_STATIC
# define ASN1_API __declspec(dllimport)
# else
# define ASN1_API
# endif
# endif
#include <stdio.h> /* for FILE* */
#include <sys/types.h>
#include <time.h>
#ifdef __cplusplus
extern "C"
{
#endif
#define ASN1_VERSION "2.1"
typedef int asn1_retCode; /* type returned by libtasn1 functions */
/*****************************************/
/* Errors returned by libtasn1 functions */
/*****************************************/
#define ASN1_SUCCESS 0
#define ASN1_FILE_NOT_FOUND 1
#define ASN1_ELEMENT_NOT_FOUND 2
#define ASN1_IDENTIFIER_NOT_FOUND 3
#define ASN1_DER_ERROR 4
#define ASN1_VALUE_NOT_FOUND 5
#define ASN1_GENERIC_ERROR 6
#define ASN1_VALUE_NOT_VALID 7
#define ASN1_TAG_ERROR 8
#define ASN1_TAG_IMPLICIT 9
#define ASN1_ERROR_TYPE_ANY 10
#define ASN1_SYNTAX_ERROR 11
#define ASN1_MEM_ERROR 12
#define ASN1_MEM_ALLOC_ERROR 13
#define ASN1_DER_OVERFLOW 14
#define ASN1_NAME_TOO_LONG 15
#define ASN1_ARRAY_ERROR 16
#define ASN1_ELEMENT_NOT_EMPTY 17
/*************************************/
/* Constants used in asn1_visit_tree */
/*************************************/
#define ASN1_PRINT_NAME 1
#define ASN1_PRINT_NAME_TYPE 2
#define ASN1_PRINT_NAME_TYPE_VALUE 3
#define ASN1_PRINT_ALL 4
/*****************************************/
/* Constants returned by asn1_read_tag */
/*****************************************/
#define ASN1_CLASS_UNIVERSAL 0x00 /* old: 1 */
#define ASN1_CLASS_APPLICATION 0x40 /* old: 2 */
#define ASN1_CLASS_CONTEXT_SPECIFIC 0x80 /* old: 3 */
#define ASN1_CLASS_PRIVATE 0xC0 /* old: 4 */
#define ASN1_CLASS_STRUCTURED 0x20
/*****************************************/
/* 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
/******************************************************/
/* Structure definition used for the node of the tree */
/* that represent an ASN.1 DEFINITION. */
/******************************************************/
#if !defined(ASN1_BUILDING)
/* This structure is also in internal.h, but then contains more
fields. You cannot make any modifications to these fields
without breaking ABI. */
struct node_asn_struct
{
char *name; /* Node name */
unsigned int type; /* Node type */
unsigned char *value; /* Node value */
int value_len;
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 */
};
#endif
typedef struct node_asn_struct node_asn;
typedef node_asn *ASN1_TYPE;
#define ASN1_TYPE_EMPTY NULL
/*****************************************/
/* For the on-disk format of ASN.1 trees */
/*****************************************/
struct static_struct_asn
{
const char *name; /* Node name */
unsigned int type; /* Node type */
const void *value; /* Node value */
};
typedef struct static_struct_asn ASN1_ARRAY_TYPE;
/***********************************/
/* Fixed constants */
/***********************************/
/* maximum number of characters of a name */
/* inside a file with ASN1 definitons */
#define ASN1_MAX_NAME_SIZE 128
/* maximum number of characters */
/* of a description message */
/* (null character included) */
#define ASN1_MAX_ERROR_DESCRIPTION_SIZE 128
/***********************************/
/* Functions definitions */
/***********************************/
asn1_retCode asn1_parser2tree (const char *file_name,
ASN1_TYPE * definitions,
char *errorDescription) ASN1_API;
asn1_retCode asn1_parser2array (const char *inputFileName,
const char *outputFileName,
const char *vectorName,
char *errorDescription) ASN1_API;
asn1_retCode asn1_array2tree (const ASN1_ARRAY_TYPE * array,
ASN1_TYPE * definitions,
char *errorDescription) ASN1_API;
void asn1_print_structure (FILE * out, ASN1_TYPE structure,
const char *name, int mode) ASN1_API;
asn1_retCode asn1_create_element (ASN1_TYPE definitions,
const char *source_name,
ASN1_TYPE * element) ASN1_API;
asn1_retCode asn1_delete_structure (ASN1_TYPE * structure) ASN1_API;
asn1_retCode asn1_delete_element (ASN1_TYPE structure,
const char *element_name) ASN1_API;
asn1_retCode asn1_write_value (ASN1_TYPE node_root, const char *name,
const void *ivalue, int len) ASN1_API;
asn1_retCode asn1_read_value (ASN1_TYPE root, const char *name,
void *ivalue, int *len) ASN1_API;
asn1_retCode asn1_number_of_elements (ASN1_TYPE element, const char *name,
int *num) ASN1_API;
asn1_retCode asn1_der_coding (ASN1_TYPE element, const char *name,
void *ider, int *len,
char *ErrorDescription) ASN1_API;
asn1_retCode asn1_der_decoding (ASN1_TYPE * element, const void *ider,
int len, char *errorDescription) ASN1_API;
asn1_retCode asn1_der_decoding_element (ASN1_TYPE * structure,
const char *elementName,
const void *ider, int len,
char *errorDescription) ASN1_API;
asn1_retCode asn1_der_decoding_startEnd (ASN1_TYPE element,
const void *ider, int len,
const char *name_element,
int *start, int *end) ASN1_API;
asn1_retCode asn1_expand_any_defined_by (ASN1_TYPE definitions,
ASN1_TYPE * element) ASN1_API;
asn1_retCode asn1_expand_octet_string (ASN1_TYPE definitions,
ASN1_TYPE * element,
const char *octetName,
const char *objectName) ASN1_API;
asn1_retCode asn1_read_tag (ASN1_TYPE root, const char *name,
int *tagValue, int *classValue) ASN1_API;
const char *asn1_find_structure_from_oid (ASN1_TYPE definitions,
const char *oidValue) ASN1_API;
const char *asn1_check_version (const char *req_version) ASN1_API;
const char *asn1_strerror (asn1_retCode error) ASN1_API;
void asn1_perror (asn1_retCode error) ASN1_API;
/* DER utility functions. */
int asn1_get_tag_der (const unsigned char *der, int der_len,
unsigned char *cls, int *len,
unsigned long *tag) ASN1_API;
void asn1_octet_der (const unsigned char *str, int str_len,
unsigned char *der, int *der_len) ASN1_API;
asn1_retCode asn1_get_octet_der (const unsigned char *der, int der_len,
int *ret_len, unsigned char *str,
int str_size, int *str_len) ASN1_API;
void asn1_bit_der (const unsigned char *str, int bit_len,
unsigned char *der, int *der_len) ASN1_API;
asn1_retCode asn1_get_bit_der (const unsigned char *der, int der_len,
int *ret_len, unsigned char *str,
int str_size, int *bit_len) ASN1_API;
signed long asn1_get_length_der (const unsigned char *der, int der_len,
int *len) ASN1_API;
signed long asn1_get_length_ber (const unsigned char *ber, int ber_len,
int *len) ASN1_API;
void asn1_length_der (unsigned long int len, unsigned char *ans,
int *ans_len) ASN1_API;
/* Other utility functions. */
ASN1_TYPE asn1_find_node (ASN1_TYPE pointer, const char *name) ASN1_API;
asn1_retCode asn1_copy_node (ASN1_TYPE dst, const char *dst_name,
ASN1_TYPE src, const char *src_name) ASN1_API;
/* Deprecated stuff. */
#ifndef ASN1_DISABLE_DEPRECATED
#define LIBTASN1_VERSION ASN1_VERSION
#ifndef MAX_NAME_SIZE
# define MAX_NAME_SIZE ASN1_MAX_NAME_SIZE
#endif
#ifndef MAX_ERROR_DESCRIPTION_SIZE
# define MAX_ERROR_DESCRIPTION_SIZE ASN1_MAX_ERROR_DESCRIPTION_SIZE
#endif
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
# define __attribute__(Spec) /* empty */
# endif
#endif
/* Use asn1_strerror instead. */
const char *libtasn1_strerror (asn1_retCode error)
__attribute__ ((deprecated)) ASN1_API;
/* Use asn1_perror instead. */
void libtasn1_perror (asn1_retCode error)
__attribute__ ((deprecated)) ASN1_API;
#endif
#ifdef __cplusplus
}
#endif
#endif /* LIBTASN1_H */
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