2 * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
3 * Redistribution and modifications are permitted subject to BSD license.
5 #ifndef _OBJECT_IDENTIFIER_H_
6 #define _OBJECT_IDENTIFIER_H_
8 #include <asn_application.h>
9 #include <asn_codecs_prim.h>
10 #include <OCTET_STRING.h>
16 typedef uint32_t asn_oid_arc_t;
17 #define ASN_OID_ARC_MAX (~((asn_oid_arc_t)0))
19 typedef ASN__PRIMITIVE_TYPE_t OBJECT_IDENTIFIER_t;
21 extern asn_TYPE_descriptor_t asn_DEF_OBJECT_IDENTIFIER;
22 extern asn_TYPE_operation_t asn_OP_OBJECT_IDENTIFIER;
24 asn_struct_print_f OBJECT_IDENTIFIER_print;
25 asn_constr_check_f OBJECT_IDENTIFIER_constraint;
26 der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
27 xer_type_decoder_f OBJECT_IDENTIFIER_decode_xer;
28 xer_type_encoder_f OBJECT_IDENTIFIER_encode_xer;
29 asn_random_fill_f OBJECT_IDENTIFIER_random_fill;
31 #define OBJECT_IDENTIFIER_free ASN__PRIMITIVE_TYPE_free
32 #define OBJECT_IDENTIFIER_compare OCTET_STRING_compare
33 #define OBJECT_IDENTIFIER_decode_ber ber_decode_primitive
34 #define OBJECT_IDENTIFIER_encode_der der_encode_primitive
35 #define OBJECT_IDENTIFIER_decode_oer oer_decode_primitive
36 #define OBJECT_IDENTIFIER_encode_oer oer_encode_primitive
37 #define OBJECT_IDENTIFIER_decode_uper OCTET_STRING_decode_uper
38 #define OBJECT_IDENTIFIER_encode_uper OCTET_STRING_encode_uper
40 /**********************************
41 * Some handy conversion routines *
42 **********************************/
45 * This function fills an (arcs) array with OBJECT IDENTIFIER arcs
46 * up to specified (arc_slots) elements.
49 * void print_arcs(OBJECT_IDENTIFIER_t *oid) {
50 * asn_oid_arc_t fixed_arcs[10]; // Try with fixed space first
51 * asn_oid_arc_t *arcs = fixed_arcs;
52 * size_t arc_slots = sizeof(fixed_arcs)/sizeof(fixed_arcs[0]); // 10
53 * ssize_t count; // Real number of arcs.
56 * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
57 * // If necessary, reallocate arcs array and try again.
58 * if(count > arc_slots) {
60 * arcs = malloc(sizeof(asn_oid_arc_t) * arc_slots);
62 * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
63 * assert(count == arc_slots);
66 * // Print the contents of the arcs array.
67 * for(i = 0; i < count; i++)
68 * printf("%"PRIu32"\n", arcs[i]);
70 * // Avoid memory leak.
71 * if(arcs != fixed_arcs) free(arcs);
75 * -1/EINVAL: Invalid arguments (oid is missing)
76 * -1/ERANGE: One or more arcs have value out of array cell type range.
77 * >=0: Number of arcs contained in the OBJECT IDENTIFIER
79 * WARNING: The function always returns the actual number of arcs,
80 * even if there is no sufficient (arc_slots) provided.
82 ssize_t OBJECT_IDENTIFIER_get_arcs(const OBJECT_IDENTIFIER_t *oid,
83 asn_oid_arc_t *arcs, size_t arc_slots);
86 * This functions initializes the OBJECT IDENTIFIER object with
87 * the given set of arcs.
88 * The minimum of two arcs must be present; some restrictions apply.
90 * -1/EINVAL: Invalid arguments
91 * -1/ERANGE: The first two arcs do not conform to ASN.1 restrictions.
92 * -1/ENOMEM: Memory allocation failed
93 * 0: The object was initialized with new arcs.
95 int OBJECT_IDENTIFIER_set_arcs(OBJECT_IDENTIFIER_t *oid,
96 const asn_oid_arc_t *arcs, size_t arcs_count);
100 * Parse the OBJECT IDENTIFIER textual representation ("1.3.6.1.4.1.9363").
101 * No arc can exceed the (0..ASN_OID_ARC_MAX, which is the same as UINT32_MAX).
102 * This function is not specific to OBJECT IDENTIFIER, it may be used to parse
103 * the RELATIVE-OID data, or any other data consisting of dot-separated
104 * series of numeric values.
106 * If (oid_txt_length == -1), the strlen() will be invoked to determine the
107 * size of the (oid_text) string.
109 * After return, the optional (opt_oid_text_end) is set to the character after
110 * the last parsed one. (opt_oid_text_end) is never less than (oid_text).
114 * >= 0: Number of arcs contained in the OBJECT IDENTIFIER.
116 * WARNING: The function always returns the real number of arcs,
117 * even if there is no sufficient (arc_slots) provided.
118 * This is useful for (arc_slots) value estimation.
120 ssize_t OBJECT_IDENTIFIER_parse_arcs(const char *oid_text,
121 ssize_t oid_txt_length,
122 asn_oid_arc_t *arcs, size_t arcs_count,
123 const char **opt_oid_text_end);
126 * Internal functions.
127 * Used by RELATIVE-OID implementation in particular.
131 * Retrieve a single arc of size from the (arcbuf) buffer.
133 * -1: Failed to retrieve the value from the (arcbuf).
134 * >0: Number of bytes consumed from the (arcbuf), <= (arcbuf_len).
136 ssize_t OBJECT_IDENTIFIER_get_single_arc(const uint8_t *arcbuf,
138 asn_oid_arc_t *ret_value);
141 * Write the unterminated arc value into the (arcbuf) which has the size at
142 * least (arcbuf_len).
144 * -1: (arcbuf_len) size is not sufficient to write the value.
145 * <n>: Number of bytes appended to the arcbuf (<= arcbuf_len).
147 ssize_t OBJECT_IDENTIFIER_set_single_arc(uint8_t *arcbuf, size_t arcbuf_len,
148 asn_oid_arc_t arc_value);
154 #endif /* _OBJECT_IDENTIFIER_H_ */