2 * Copyright (c) 2003, 2004, 2005 Lev Walkin <vlm@lionet.info>.
4 * Redistribution and modifications are permitted subject to BSD license.
6 #ifndef _OBJECT_IDENTIFIER_H_
7 #define _OBJECT_IDENTIFIER_H_
9 #include <asn_application.h>
10 #include <asn_codecs_prim.h>
16 typedef ASN__PRIMITIVE_TYPE_t OBJECT_IDENTIFIER_t;
18 extern asn_TYPE_descriptor_t asn_DEF_OBJECT_IDENTIFIER;
20 asn_struct_print_f OBJECT_IDENTIFIER_print;
21 asn_constr_check_f OBJECT_IDENTIFIER_constraint;
22 der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
23 xer_type_decoder_f OBJECT_IDENTIFIER_decode_xer;
24 xer_type_encoder_f OBJECT_IDENTIFIER_encode_xer;
26 /**********************************
27 * Some handy conversion routines *
28 **********************************/
31 * This function fills an (_arcs) array with OBJECT IDENTIFIER arcs
32 * up to specified (_arc_slots) elements.
35 * void print_arcs(OBJECT_IDENTIFIER_t *oid) {
36 * unsigned long fixed_arcs[10]; // Try with fixed space first
37 * unsigned long *arcs = fixed_arcs;
38 * int arc_type_size = sizeof(fixed_arcs[0]); // sizeof(long)
39 * int arc_slots = sizeof(fixed_arcs)/sizeof(fixed_arcs[0]); // 10
40 * int count; // Real number of arcs.
43 * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs,
44 * arc_type_size, arc_slots);
45 * // If necessary, reallocate arcs array and try again.
46 * if(count > arc_slots) {
48 * arcs = malloc(arc_type_size * arc_slots);
50 * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs,
51 * arc_type_size, arc_slots);
52 * assert(count == arc_slots);
55 * // Print the contents of the arcs array.
56 * for(i = 0; i < count; i++)
57 * printf("%d\n", arcs[i]);
59 * // Avoid memory leak.
60 * if(arcs != fixed_arcs) free(arcs);
64 * -1/EINVAL: Invalid arguments (oid is missing)
65 * -1/ERANGE: One or more arcs have value out of array cell type range.
66 * >=0: Number of arcs contained in the OBJECT IDENTIFIER
68 * WARNING: The function always returns the real number of arcs,
69 * even if there is no sufficient (_arc_slots) provided.
71 int OBJECT_IDENTIFIER_get_arcs(OBJECT_IDENTIFIER_t *_oid,
72 void *_arcs, /* e.g., unsigned int arcs[N] */
73 unsigned int _arc_type_size, /* e.g., sizeof(arcs[0]) */
74 unsigned int _arc_slots /* e.g., N */);
77 * This functions initializes the OBJECT IDENTIFIER object with
78 * the given set of arcs.
79 * The minimum of two arcs must be present; some restrictions apply.
81 * -1/EINVAL: Invalid arguments
82 * -1/ERANGE: The first two arcs do not conform to ASN.1 restrictions.
83 * -1/ENOMEM: Memory allocation failed
84 * 0: The object was initialized with new arcs.
86 int OBJECT_IDENTIFIER_set_arcs(OBJECT_IDENTIFIER_t *_oid,
87 const void *_arcs, /* e.g., unsigned int arcs[N] */
88 unsigned int _arc_type_size, /* e.g., sizeof(arcs[0]) */
89 unsigned int _arc_slots /* e.g., N */);
92 * Print the specified OBJECT IDENTIFIER arc.
94 int OBJECT_IDENTIFIER_print_arc(uint8_t *arcbuf, int arclen,
95 int add, /* Arbitrary offset, required to process the first two arcs */
96 asn_app_consume_bytes_f *cb, void *app_key);
98 /* Same as above, but returns the number of written digits, instead of 0 */
99 ssize_t OBJECT_IDENTIFIER__dump_arc(uint8_t *arcbuf, int arclen, int add,
100 asn_app_consume_bytes_f *cb, void *app_key);
103 * Parse the OBJECT IDENTIFIER textual representation ("1.3.6.1.4.1.9363").
104 * No arc can exceed the (0..signed_long_max) range (typically, 0..2G if L32).
105 * This function is not specific to OBJECT IDENTIFIER, it may be used to parse
106 * the RELATIVE-OID data, or any other data consisting of dot-separated
107 * series of numeric values.
109 * If (oid_txt_length == -1), the strlen() will be invoked to determine the
110 * size of the (oid_text) string.
112 * After return, the optional (opt_oid_text_end) is set to the character after
113 * the last parsed one. (opt_oid_text_end) is never less than (oid_text).
117 * >= 0: Number of arcs contained in the OBJECT IDENTIFIER.
119 * WARNING: The function always returns the real number of arcs,
120 * even if there is no sufficient (_arc_slots) provided.
121 * This is useful for (_arc_slots) value estimation.
123 int OBJECT_IDENTIFIER_parse_arcs(const char *oid_text, ssize_t oid_txt_length,
124 long arcs[], unsigned int arcs_slots, const char **opt_oid_text_end);
127 * Internal functions.
128 * Used by RELATIVE-OID implementation in particular.
130 int OBJECT_IDENTIFIER_get_single_arc(uint8_t *arcbuf, unsigned int arclen,
131 signed int add, void *value, unsigned int value_size);
132 int OBJECT_IDENTIFIER_set_single_arc(uint8_t *arcbuf,
133 const void *arcval, unsigned int arcval_size, int _prepared_order);
139 #endif /* _OBJECT_IDENTIFIER_H_ */