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libtasn1.h
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/* * 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 * */ #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 <sys/types.h> #include <time.h> #include <stdio.h> /* for FILE* */ #ifdef __cplusplus extern "C" { #endif #define ASN1_VERSION "4.10" #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 /*************************************/ /* 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 /******************************************************/ /* Structure definition used for the node of the tree */ /* that represent an ASN.1 DEFINITION. */ /******************************************************/ typedef struct asn1_node_st asn1_node_st; typedef asn1_node_st *asn1_node; /* maximum number of characters of a name */ /* inside a file with ASN1 definitons */ #define ASN1_MAX_NAME_SIZE 64 /*****************************************/ /* For the on-disk format of ASN.1 trees */ /*****************************************/ 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 /* Flags used by asn1_delete_structure2() */ /* makes sure the values are zeroized prior to deinitialization */ #define ASN1_DELETE_FLAG_ZEROIZE 1 /* Flags used by asn1_der_decoding2(). */ /* This flag would allow arbitrary data past the DER data */ #define ASN1_DECODE_FLAG_ALLOW_PADDING 1 /* This flag would ensure that no BER decoding takes place */ #define ASN1_DECODE_FLAG_STRICT_DER (1<<1) 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 */ /***********************************/ /* 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 structure, const char *name, int mode); extern ASN1_API int asn1_create_element (asn1_node 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 root, const char *name, void *ivalue, int *len); extern ASN1_API int asn1_read_value_type (asn1_node root, const char *name, void *ivalue, int *len, unsigned int *etype); extern ASN1_API int asn1_read_node_value (asn1_node node, asn1_data_node_st * data); extern ASN1_API int asn1_number_of_elements (asn1_node element, const char *name, int *num); extern ASN1_API int asn1_der_coding (asn1_node 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 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 len, const char *name_element, int *start, int *end); extern ASN1_API int asn1_expand_any_defined_by (asn1_node definitions, asn1_node * element); extern ASN1_API int asn1_expand_octet_string (asn1_node definitions, asn1_node * element, const char *octetName, const char *objectName); extern ASN1_API int asn1_read_tag (asn1_node root, const char *name, int *tagValue, int *classValue); extern ASN1_API const char *asn1_find_structure_from_oid (asn1_node definitions, const char *oidValue); extern ASN1_API const char *asn1_check_version (const char *req_version); 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 pointer, const char *name); extern ASN1_API int asn1_copy_node (asn1_node dst, const char *dst_name, asn1_node src, const char *src_name); extern ASN1_API asn1_node asn1_dup_node (asn1_node 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); /* Compatibility types */ typedef int asn1_retCode; /* type returned by libtasn1 functions */ #define node_asn_struct asn1_node_st #define node_asn asn1_node_st #define ASN1_TYPE asn1_node #define ASN1_TYPE_EMPTY NULL #define static_struct_asn asn1_static_node_st #define ASN1_ARRAY_TYPE asn1_static_node #define asn1_static_node_t asn1_static_node #define node_data_struct asn1_data_node_st #define ASN1_DATA_NODE asn1_data_node_st #ifdef __cplusplus } #endif #endif /* LIBTASN1_H */