2 * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
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3 * Redistribution and modifications are permitted subject to BSD license.
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5 #ifndef _OBJECT_IDENTIFIER_H_
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6 #define _OBJECT_IDENTIFIER_H_
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8 #include <asn_application.h>
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9 #include <asn_codecs_prim.h>
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10 #include <OCTET_STRING.h>
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16 typedef uint32_t asn_oid_arc_t;
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17 #define ASN_OID_ARC_MAX (~((asn_oid_arc_t)0))
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19 typedef ASN__PRIMITIVE_TYPE_t OBJECT_IDENTIFIER_t;
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21 extern asn_TYPE_descriptor_t asn_DEF_OBJECT_IDENTIFIER;
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22 extern asn_TYPE_operation_t asn_OP_OBJECT_IDENTIFIER;
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24 asn_struct_print_f OBJECT_IDENTIFIER_print;
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25 asn_constr_check_f OBJECT_IDENTIFIER_constraint;
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26 der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
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27 xer_type_decoder_f OBJECT_IDENTIFIER_decode_xer;
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28 xer_type_encoder_f OBJECT_IDENTIFIER_encode_xer;
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29 asn_random_fill_f OBJECT_IDENTIFIER_random_fill;
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31 #define OBJECT_IDENTIFIER_free ASN__PRIMITIVE_TYPE_free
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32 #define OBJECT_IDENTIFIER_compare OCTET_STRING_compare
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33 #define OBJECT_IDENTIFIER_decode_ber ber_decode_primitive
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34 #define OBJECT_IDENTIFIER_encode_der der_encode_primitive
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35 #define OBJECT_IDENTIFIER_decode_oer oer_decode_primitive
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36 #define OBJECT_IDENTIFIER_encode_oer oer_encode_primitive
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37 #define OBJECT_IDENTIFIER_decode_uper OCTET_STRING_decode_uper
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38 #define OBJECT_IDENTIFIER_encode_uper OCTET_STRING_encode_uper
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39 #define OBJECT_IDENTIFIER_decode_aper OCTET_STRING_decode_aper
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40 #define OBJECT_IDENTIFIER_encode_aper OCTET_STRING_encode_aper
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42 /**********************************
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43 * Some handy conversion routines *
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44 **********************************/
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47 * This function fills an (arcs) array with OBJECT IDENTIFIER arcs
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48 * up to specified (arc_slots) elements.
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51 * void print_arcs(OBJECT_IDENTIFIER_t *oid) {
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52 * asn_oid_arc_t fixed_arcs[10]; // Try with fixed space first
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53 * asn_oid_arc_t *arcs = fixed_arcs;
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54 * size_t arc_slots = sizeof(fixed_arcs)/sizeof(fixed_arcs[0]); // 10
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55 * ssize_t count; // Real number of arcs.
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58 * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
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59 * // If necessary, reallocate arcs array and try again.
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60 * if(count > arc_slots) {
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61 * arc_slots = count;
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62 * arcs = malloc(sizeof(asn_oid_arc_t) * arc_slots);
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64 * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
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65 * assert(count == arc_slots);
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68 * // Print the contents of the arcs array.
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69 * for(i = 0; i < count; i++)
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70 * printf("%"PRIu32"\n", arcs[i]);
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72 * // Avoid memory leak.
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73 * if(arcs != fixed_arcs) free(arcs);
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77 * -1/EINVAL: Invalid arguments (oid is missing)
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78 * -1/ERANGE: One or more arcs have value out of array cell type range.
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79 * >=0: Number of arcs contained in the OBJECT IDENTIFIER
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81 * WARNING: The function always returns the actual number of arcs,
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82 * even if there is no sufficient (arc_slots) provided.
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84 ssize_t OBJECT_IDENTIFIER_get_arcs(const OBJECT_IDENTIFIER_t *oid,
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85 asn_oid_arc_t *arcs, size_t arc_slots);
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88 * This functions initializes the OBJECT IDENTIFIER object with
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89 * the given set of arcs.
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90 * The minimum of two arcs must be present; some restrictions apply.
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92 * -1/EINVAL: Invalid arguments
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93 * -1/ERANGE: The first two arcs do not conform to ASN.1 restrictions.
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94 * -1/ENOMEM: Memory allocation failed
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95 * 0: The object was initialized with new arcs.
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97 int OBJECT_IDENTIFIER_set_arcs(OBJECT_IDENTIFIER_t *oid,
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98 const asn_oid_arc_t *arcs, size_t arcs_count);
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102 * Parse the OBJECT IDENTIFIER textual representation ("1.3.6.1.4.1.9363").
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103 * No arc can exceed the (0..ASN_OID_ARC_MAX, which is the same as UINT32_MAX).
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104 * This function is not specific to OBJECT IDENTIFIER, it may be used to parse
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105 * the RELATIVE-OID data, or any other data consisting of dot-separated
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106 * series of numeric values.
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108 * If (oid_txt_length == -1), the strlen() will be invoked to determine the
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109 * size of the (oid_text) string.
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111 * After return, the optional (opt_oid_text_end) is set to the character after
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112 * the last parsed one. (opt_oid_text_end) is never less than (oid_text).
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116 * >= 0: Number of arcs contained in the OBJECT IDENTIFIER.
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118 * WARNING: The function always returns the real number of arcs,
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119 * even if there is no sufficient (arc_slots) provided.
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120 * This is useful for (arc_slots) value estimation.
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122 ssize_t OBJECT_IDENTIFIER_parse_arcs(const char *oid_text,
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123 ssize_t oid_txt_length,
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124 asn_oid_arc_t *arcs, size_t arcs_count,
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125 const char **opt_oid_text_end);
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128 * Internal functions.
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129 * Used by RELATIVE-OID implementation in particular.
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133 * Retrieve a single arc of size from the (arcbuf) buffer.
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135 * -1: Failed to retrieve the value from the (arcbuf).
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136 * >0: Number of bytes consumed from the (arcbuf), <= (arcbuf_len).
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138 ssize_t OBJECT_IDENTIFIER_get_single_arc(const uint8_t *arcbuf,
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140 asn_oid_arc_t *ret_value);
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143 * Write the unterminated arc value into the (arcbuf) which has the size at
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144 * least (arcbuf_len).
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146 * -1: (arcbuf_len) size is not sufficient to write the value.
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147 * <n>: Number of bytes appended to the arcbuf (<= arcbuf_len).
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149 ssize_t OBJECT_IDENTIFIER_set_single_arc(uint8_t *arcbuf, size_t arcbuf_len,
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150 asn_oid_arc_t arc_value);
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156 #endif /* _OBJECT_IDENTIFIER_H_ */
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