157 lines
5.6 KiB
C
157 lines
5.6 KiB
C
/*
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* Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#ifndef _OBJECT_IDENTIFIER_H_
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#define _OBJECT_IDENTIFIER_H_
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#include <asn_application.h>
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#include <asn_codecs_prim.h>
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#include <OCTET_STRING.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef uint32_t asn_oid_arc_t;
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#define ASN_OID_ARC_MAX (~((asn_oid_arc_t)0))
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typedef ASN__PRIMITIVE_TYPE_t OBJECT_IDENTIFIER_t;
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extern asn_TYPE_descriptor_t asn_DEF_OBJECT_IDENTIFIER;
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extern asn_TYPE_operation_t asn_OP_OBJECT_IDENTIFIER;
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asn_struct_print_f OBJECT_IDENTIFIER_print;
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asn_constr_check_f OBJECT_IDENTIFIER_constraint;
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der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
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xer_type_decoder_f OBJECT_IDENTIFIER_decode_xer;
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xer_type_encoder_f OBJECT_IDENTIFIER_encode_xer;
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asn_random_fill_f OBJECT_IDENTIFIER_random_fill;
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#define OBJECT_IDENTIFIER_free ASN__PRIMITIVE_TYPE_free
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#define OBJECT_IDENTIFIER_compare OCTET_STRING_compare
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#define OBJECT_IDENTIFIER_decode_ber ber_decode_primitive
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#define OBJECT_IDENTIFIER_encode_der der_encode_primitive
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#define OBJECT_IDENTIFIER_decode_oer oer_decode_primitive
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#define OBJECT_IDENTIFIER_encode_oer oer_encode_primitive
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#define OBJECT_IDENTIFIER_decode_uper OCTET_STRING_decode_uper
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#define OBJECT_IDENTIFIER_encode_uper OCTET_STRING_encode_uper
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#define OBJECT_IDENTIFIER_decode_aper OCTET_STRING_decode_aper
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#define OBJECT_IDENTIFIER_encode_aper OCTET_STRING_encode_aper
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/**********************************
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* Some handy conversion routines *
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**********************************/
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/*
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* This function fills an (arcs) array with OBJECT IDENTIFIER arcs
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* up to specified (arc_slots) elements.
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*
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* EXAMPLE:
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* void print_arcs(OBJECT_IDENTIFIER_t *oid) {
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* asn_oid_arc_t fixed_arcs[10]; // Try with fixed space first
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* asn_oid_arc_t *arcs = fixed_arcs;
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* size_t arc_slots = sizeof(fixed_arcs)/sizeof(fixed_arcs[0]); // 10
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* ssize_t count; // Real number of arcs.
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* int i;
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*
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* count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
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* // If necessary, reallocate arcs array and try again.
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* if(count > arc_slots) {
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* arc_slots = count;
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* arcs = malloc(sizeof(asn_oid_arc_t) * arc_slots);
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* if(!arcs) return;
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* count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
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* assert(count == arc_slots);
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* }
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*
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* // Print the contents of the arcs array.
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* for(i = 0; i < count; i++)
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* printf("%"PRIu32"\n", arcs[i]);
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*
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* // Avoid memory leak.
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* if(arcs != fixed_arcs) free(arcs);
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* }
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*
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* RETURN VALUES:
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* -1/EINVAL: Invalid arguments (oid is missing)
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* -1/ERANGE: One or more arcs have value out of array cell type range.
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* >=0: Number of arcs contained in the OBJECT IDENTIFIER
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*
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* WARNING: The function always returns the actual number of arcs,
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* even if there is no sufficient (arc_slots) provided.
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*/
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ssize_t OBJECT_IDENTIFIER_get_arcs(const OBJECT_IDENTIFIER_t *oid,
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asn_oid_arc_t *arcs, size_t arc_slots);
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/*
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* This functions initializes the OBJECT IDENTIFIER object with
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* the given set of arcs.
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* The minimum of two arcs must be present; some restrictions apply.
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* RETURN VALUES:
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* -1/EINVAL: Invalid arguments
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* -1/ERANGE: The first two arcs do not conform to ASN.1 restrictions.
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* -1/ENOMEM: Memory allocation failed
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* 0: The object was initialized with new arcs.
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*/
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int OBJECT_IDENTIFIER_set_arcs(OBJECT_IDENTIFIER_t *oid,
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const asn_oid_arc_t *arcs, size_t arcs_count);
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/*
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* Parse the OBJECT IDENTIFIER textual representation ("1.3.6.1.4.1.9363").
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* No arc can exceed the (0..ASN_OID_ARC_MAX, which is the same as UINT32_MAX).
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* This function is not specific to OBJECT IDENTIFIER, it may be used to parse
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* the RELATIVE-OID data, or any other data consisting of dot-separated
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* series of numeric values.
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*
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* If (oid_txt_length == -1), the strlen() will be invoked to determine the
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* size of the (oid_text) string.
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*
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* After return, the optional (opt_oid_text_end) is set to the character after
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* the last parsed one. (opt_oid_text_end) is never less than (oid_text).
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*
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* RETURN VALUES:
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* -1: Parse error.
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* >= 0: Number of arcs contained in the OBJECT IDENTIFIER.
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*
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* WARNING: The function always returns the real number of arcs,
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* even if there is no sufficient (arc_slots) provided.
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* This is useful for (arc_slots) value estimation.
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*/
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ssize_t OBJECT_IDENTIFIER_parse_arcs(const char *oid_text,
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ssize_t oid_txt_length,
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asn_oid_arc_t *arcs, size_t arcs_count,
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const char **opt_oid_text_end);
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/*
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* Internal functions.
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* Used by RELATIVE-OID implementation in particular.
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*/
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/*
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* Retrieve a single arc of size from the (arcbuf) buffer.
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* RETURN VALUES:
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* -1: Failed to retrieve the value from the (arcbuf).
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* >0: Number of bytes consumed from the (arcbuf), <= (arcbuf_len).
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*/
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ssize_t OBJECT_IDENTIFIER_get_single_arc(const uint8_t *arcbuf,
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size_t arcbuf_len,
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asn_oid_arc_t *ret_value);
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/*
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* Write the unterminated arc value into the (arcbuf) which has the size at
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* least (arcbuf_len).
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* RETURN VALUES:
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* -1: (arcbuf_len) size is not sufficient to write the value.
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* <n>: Number of bytes appended to the arcbuf (<= arcbuf_len).
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*/
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ssize_t OBJECT_IDENTIFIER_set_single_arc(uint8_t *arcbuf, size_t arcbuf_len,
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asn_oid_arc_t arc_value);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _OBJECT_IDENTIFIER_H_ */
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