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Viewing: /usr/include/libtasn1.h
/*
* Copyright (C) 2002-2014 Free Software Foundation, Inc.
*
* 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
*
*/
/**
* libtasn1:Short_Description:
*
* GNU ASN.1 library
*/
/**
* libtasn1:Long_Description:
*
* The Libtasn1 library provides Abstract Syntax Notation One (ASN.1, as
* specified by the X.680 ITU-T recommendation) parsing and structures
* management, and Distinguished Encoding Rules (DER, as per X.690)
* encoding and decoding functions.
*/
#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
#ifdef __GNUC__
# define __LIBTASN1_CONST__ __attribute__((const))
# define __LIBTASN1_PURE__ __attribute__((pure))
#else
# define __LIBTASN1_CONST__
# define __LIBTASN1_PURE__
#endif
#include <sys/types.h>
#include <time.h>
#include <stdio.h> /* for FILE* */
#ifdef __cplusplus
extern "C"
{
#endif
/**
* ASN1_VERSION:
*
* Version of the library as a string.
*/
#define ASN1_VERSION "4.16.0"
/**
* ASN1_VERSION_MAJOR:
*
* Major version number of the library.
*/
#define ASN1_VERSION_MAJOR 4
/**
* ASN1_VERSION_MINOR:
*
* Minor version number of the library.
*/
#define ASN1_VERSION_MINOR 16
/**
* ASN1_VERSION_PATCH:
*
* Patch version number of the library.
*/
#define ASN1_VERSION_PATCH 0
/**
* ASN1_VERSION_NUMBER:
*
* Version number of the library as a number.
*/
#define ASN1_VERSION_NUMBER 0x041000
#if defined __GNUC__ && !defined ASN1_INTERNAL_BUILD
# define _ASN1_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
# if _ASN1_GCC_VERSION >= 30100
# define _ASN1_GCC_ATTR_DEPRECATED __attribute__ ((__deprecated__))
# endif
#endif
#ifndef _ASN1_GCC_ATTR_DEPRECATED
#define _ASN1_GCC_ATTR_DEPRECATED
#endif
/*****************************************/
/* 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
#define ASN1_TIME_ENCODING_ERROR 18
#define ASN1_RECURSION 19
/*************************************/
/* 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
#define ASN1_TAG_NUMERIC_STRING 0x12
#define ASN1_TAG_IA5_STRING 0x16
#define ASN1_TAG_TELETEX_STRING 0x14
#define ASN1_TAG_PRINTABLE_STRING 0x13
#define ASN1_TAG_UNIVERSAL_STRING 0x1C
#define ASN1_TAG_BMP_STRING 0x1E
#define ASN1_TAG_UTF8_STRING 0x0C
#define ASN1_TAG_VISIBLE_STRING 0x1A
/**
* asn1_node:
*
* Structure definition used for the node of the tree
* that represents an ASN.1 DEFINITION.
*/
typedef struct asn1_node_st asn1_node_st;
typedef asn1_node_st *asn1_node;
typedef const asn1_node_st *asn1_node_const;
/**
* ASN1_MAX_NAME_SIZE:
*
* Maximum number of characters of a name
* inside a file with ASN1 definitions.
*/
#define ASN1_MAX_NAME_SIZE 64
/**
* asn1_static_node:
* @name: Node name
* @type: Node typ
* @value: Node value
*
* For the on-disk format of ASN.1 trees, created by asn1_parser2array().
*/
struct asn1_static_node_st
{
const char *name; /* Node name */
unsigned int type; /* Node type */
const void *value; /* Node value */
};
typedef struct asn1_static_node_st asn1_static_node;
/* List of constants for field type of node_asn */
#define ASN1_ETYPE_INVALID 0
#define ASN1_ETYPE_CONSTANT 1
#define ASN1_ETYPE_IDENTIFIER 2
#define ASN1_ETYPE_INTEGER 3
#define ASN1_ETYPE_BOOLEAN 4
#define ASN1_ETYPE_SEQUENCE 5
#define ASN1_ETYPE_BIT_STRING 6
#define ASN1_ETYPE_OCTET_STRING 7
#define ASN1_ETYPE_TAG 8
#define ASN1_ETYPE_DEFAULT 9
#define ASN1_ETYPE_SIZE 10
#define ASN1_ETYPE_SEQUENCE_OF 11
#define ASN1_ETYPE_OBJECT_ID 12
#define ASN1_ETYPE_ANY 13
#define ASN1_ETYPE_SET 14
#define ASN1_ETYPE_SET_OF 15
#define ASN1_ETYPE_DEFINITIONS 16
#define ASN1_ETYPE_CHOICE 18
#define ASN1_ETYPE_IMPORTS 19
#define ASN1_ETYPE_NULL 20
#define ASN1_ETYPE_ENUMERATED 21
#define ASN1_ETYPE_GENERALSTRING 27
#define ASN1_ETYPE_NUMERIC_STRING 28
#define ASN1_ETYPE_IA5_STRING 29
#define ASN1_ETYPE_TELETEX_STRING 30
#define ASN1_ETYPE_PRINTABLE_STRING 31
#define ASN1_ETYPE_UNIVERSAL_STRING 32
#define ASN1_ETYPE_BMP_STRING 33
#define ASN1_ETYPE_UTF8_STRING 34
#define ASN1_ETYPE_VISIBLE_STRING 35
#define ASN1_ETYPE_UTC_TIME 36
#define ASN1_ETYPE_GENERALIZED_TIME 37
/**
* ASN1_DELETE_FLAG_ZEROIZE:
*
* Used by: asn1_delete_structure2()
*
* Zeroize values prior to deinitialization.
*/
#define ASN1_DELETE_FLAG_ZEROIZE 1
/**
* ASN1_DECODE_FLAG_ALLOW_PADDING:
*
* Used by: asn1_der_decoding2()
*
* This flag would allow arbitrary data past the DER data.
*/
#define ASN1_DECODE_FLAG_ALLOW_PADDING 1
/**
* ASN1_DECODE_FLAG_STRICT_DER:
*
* Used by: asn1_der_decoding2()
*
* This flag would ensure that no BER decoding takes place.
*/
#define ASN1_DECODE_FLAG_STRICT_DER (1<<1)
/**
* ASN1_DECODE_FLAG_ALLOW_INCORRECT_TIME:
*
* Used by: asn1_der_decoding2()
*
* This flag will tolerate Time encoding errors when in strict DER.
*/
#define ASN1_DECODE_FLAG_ALLOW_INCORRECT_TIME (1<<2)
/**
* asn1_data_node_st:
* @name: Node name
* @value: Node value
* @value_len: Node value size
* @type: Node value type (ASN1_ETYPE_*)
*
* Data node inside a #asn1_node structure.
*/
struct asn1_data_node_st
{
const char *name; /* Node name */
const void *value; /* Node value */
unsigned int value_len; /* Node value size */
unsigned int type; /* Node value type (ASN1_ETYPE_*) */
};
typedef struct asn1_data_node_st asn1_data_node_st;
/***********************************/
/* Fixed constants */
/***********************************/
/**
* ASN1_MAX_ERROR_DESCRIPTION_SIZE:
*
* Maximum number of characters
* of a description message
* (null character included).
*/
#define ASN1_MAX_ERROR_DESCRIPTION_SIZE 128
/***********************************/
/* Functions definitions */
/***********************************/
extern ASN1_API int
asn1_parser2tree (const char *file,
asn1_node * definitions, char *error_desc);
extern ASN1_API int
asn1_parser2array (const char *inputFileName,
const char *outputFileName,
const char *vectorName, char *error_desc);
extern ASN1_API int
asn1_array2tree (const asn1_static_node * array,
asn1_node * definitions, char *errorDescription);
extern ASN1_API void
asn1_print_structure (FILE * out, asn1_node_const structure,
const char *name, int mode);
extern ASN1_API int
asn1_create_element (asn1_node_const definitions,
const char *source_name, asn1_node * element);
extern ASN1_API int asn1_delete_structure (asn1_node * structure);
extern ASN1_API int asn1_delete_structure2 (asn1_node * structure, unsigned int flags);
extern ASN1_API int
asn1_delete_element (asn1_node structure, const char *element_name);
extern ASN1_API int
asn1_write_value (asn1_node node_root, const char *name,
const void *ivalue, int len);
extern ASN1_API int
asn1_read_value (asn1_node_const root, const char *name,
void *ivalue, int *len);
extern ASN1_API int
asn1_read_value_type (asn1_node_const root, const char *name,
void *ivalue, int *len, unsigned int *etype);
extern ASN1_API int
asn1_read_node_value (asn1_node_const node, asn1_data_node_st * data);
extern ASN1_API int
asn1_number_of_elements (asn1_node_const element, const char *name, int *num);
extern ASN1_API int
asn1_der_coding (asn1_node_const element, const char *name,
void *ider, int *len, char *ErrorDescription);
extern ASN1_API int
asn1_der_decoding2 (asn1_node *element, const void *ider,
int *max_ider_len, unsigned int flags,
char *errorDescription);
extern ASN1_API int
asn1_der_decoding (asn1_node * element, const void *ider,
int ider_len, char *errorDescription);
/* Do not use. Use asn1_der_decoding() instead. */
extern ASN1_API int
asn1_der_decoding_element (asn1_node * structure,
const char *elementName,
const void *ider, int len,
char *errorDescription) _ASN1_GCC_ATTR_DEPRECATED;
extern ASN1_API int
asn1_der_decoding_startEnd (asn1_node element,
const void *ider, int ider_len,
const char *name_element,
int *start, int *end);
extern ASN1_API int
asn1_expand_any_defined_by (asn1_node_const definitions, asn1_node * element);
extern ASN1_API int
asn1_expand_octet_string (asn1_node_const definitions,
asn1_node * element,
const char *octetName, const char *objectName);
extern ASN1_API int
asn1_read_tag (asn1_node_const root, const char *name,
int *tagValue, int *classValue);
extern ASN1_API const char *asn1_find_structure_from_oid (asn1_node_const
definitions,
const char
*oidValue);
__LIBTASN1_PURE__
extern ASN1_API const char *asn1_check_version (const char *req_version);
__LIBTASN1_PURE__
extern ASN1_API const char *asn1_strerror (int error);
extern ASN1_API void asn1_perror (int error);
#define ASN1_MAX_TAG_SIZE 4
#define ASN1_MAX_LENGTH_SIZE 9
#define ASN1_MAX_TL_SIZE (ASN1_MAX_TAG_SIZE+ASN1_MAX_LENGTH_SIZE)
extern ASN1_API long
asn1_get_length_der (const unsigned char *der, int der_len, int *len);
extern ASN1_API long
asn1_get_length_ber (const unsigned char *ber, int ber_len, int *len);
extern ASN1_API void
asn1_length_der (unsigned long int len, unsigned char *der, int *der_len);
/* Other utility functions. */
extern ASN1_API
int asn1_decode_simple_der (unsigned int etype, const unsigned char *der,
unsigned int _der_len,
const unsigned char **str,
unsigned int *str_len);
extern ASN1_API
int asn1_decode_simple_ber (unsigned int etype, const unsigned char *der,
unsigned int _der_len,
unsigned char **str,
unsigned int *str_len,
unsigned int *ber_len);
extern ASN1_API int
asn1_encode_simple_der (unsigned int etype, const unsigned char *str,
unsigned int str_len, unsigned char *tl,
unsigned int *tl_len);
extern ASN1_API asn1_node
asn1_find_node (asn1_node_const pointer, const char *name);
extern ASN1_API int
asn1_copy_node (asn1_node dst, const char *dst_name,
asn1_node_const src, const char *src_name);
extern ASN1_API asn1_node
asn1_dup_node (asn1_node_const src, const char *src_name);
/* Internal and low-level DER utility functions. */
extern ASN1_API int
asn1_get_tag_der (const unsigned char *der, int der_len,
unsigned char *cls, int *len, unsigned long *tag);
extern ASN1_API void
asn1_octet_der (const unsigned char *str, int str_len,
unsigned char *der, int *der_len);
extern ASN1_API int
asn1_get_octet_der (const unsigned char *der, int der_len,
int *ret_len, unsigned char *str,
int str_size, int *str_len);
extern ASN1_API void asn1_bit_der (const unsigned char *str, int bit_len,
unsigned char *der, int *der_len);
extern ASN1_API int
asn1_get_bit_der (const unsigned char *der, int der_len,
int *ret_len, unsigned char *str,
int str_size, int *bit_len);
extern ASN1_API int
asn1_get_object_id_der (const unsigned char *der,
int der_len, int *ret_len,
char *str, int str_size);
extern ASN1_API int
asn1_object_id_der (const char *str, unsigned char *der, int *der_len,
unsigned flags);
/* Compatibility types */
/**
* asn1_retCode:
*
* Type formerly returned by libtasn1 functions.
*
* Deprecated: 3.0: Use int instead.
*/
typedef int asn1_retCode;
/**
* node_asn_struct:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_node instead.
*/
#define node_asn_struct asn1_node_st
/**
* node_asn:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_node instead.
*/
#define node_asn asn1_node_st
/**
* ASN1_TYPE:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_node instead.
*/
#define ASN1_TYPE asn1_node
/**
* ASN1_TYPE_EMPTY:
*
* Compat #define.
*
* Deprecated: 3.0: Use NULL instead.
*/
#define ASN1_TYPE_EMPTY NULL
/**
* static_struct_asn:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_static_node instead.
*/
#define static_struct_asn asn1_static_node_st
/**
* ASN1_ARRAY_TYPE:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_static_node instead.
*/
#define ASN1_ARRAY_TYPE asn1_static_node
/**
* asn1_static_node_t:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_static_node instead.
*/
#define asn1_static_node_t asn1_static_node
/**
* node_data_struct:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_data_node_st instead.
*/
#define node_data_struct asn1_data_node_st
/**
* ASN1_DATA_NODE:
*
* Compat #define.
*
* Deprecated: 3.0: Use #asn1_data_node_st instead.
*/
#define ASN1_DATA_NODE asn1_data_node_st
#ifdef __cplusplus
}
#endif
#endif /* LIBTASN1_H */