/*- * Copyright (c) 2003, 2004, 2005 Lev Walkin . * All rights reserved. * Redistribution and modifications are permitted subject to BSD license. */ #ifndef _OBJECT_IDENTIFIER_H_ #define _OBJECT_IDENTIFIER_H_ #include #include #ifdef __cplusplus extern "C" { #endif typedef ASN__PRIMITIVE_TYPE_t OBJECT_IDENTIFIER_t; extern asn_TYPE_descriptor_t asn_DEF_OBJECT_IDENTIFIER; asn_struct_print_f OBJECT_IDENTIFIER_print; asn_constr_check_f OBJECT_IDENTIFIER_constraint; der_type_encoder_f OBJECT_IDENTIFIER_encode_der; xer_type_decoder_f OBJECT_IDENTIFIER_decode_xer; xer_type_encoder_f OBJECT_IDENTIFIER_encode_xer; /********************************** * Some handy conversion routines * **********************************/ /* * This function fills an (_arcs) array with OBJECT IDENTIFIER arcs * up to specified (_arc_slots) elements. * * EXAMPLE: * void print_arcs(OBJECT_IDENTIFIER_t *oid) { * unsigned long fixed_arcs[10]; // Try with fixed space first * unsigned long *arcs = fixed_arcs; * int arc_type_size = sizeof(fixed_arcs[0]); // sizeof(long) * int arc_slots = sizeof(fixed_arcs)/sizeof(fixed_arcs[0]); // 10 * int count; // Real number of arcs. * int i; * * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, * arc_type_size, arc_slots); * // If necessary, reallocate arcs array and try again. * if(count > arc_slots) { * arc_slots = count; * arcs = malloc(arc_type_size * arc_slots); * if(!arcs) return; * count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, * arc_type_size, arc_slots); * assert(count == arc_slots); * } * * // Print the contents of the arcs array. * for(i = 0; i < count; i++) * printf("%d\n", arcs[i]); * * // Avoid memory leak. * if(arcs != fixed_arcs) free(arcs); * } * * RETURN VALUES: * -1/EINVAL: Invalid arguments (oid is missing) * -1/ERANGE: One or more arcs have value out of array cell type range. * >=0: Number of arcs contained in the OBJECT IDENTIFIER * * WARNING: The function always returns the real number of arcs, * even if there is no sufficient (_arc_slots) provided. */ int OBJECT_IDENTIFIER_get_arcs(OBJECT_IDENTIFIER_t *_oid, void *_arcs, /* e.g., unsigned int arcs[N] */ unsigned int _arc_type_size, /* e.g., sizeof(arcs[0]) */ unsigned int _arc_slots /* e.g., N */); /* * This functions initializes the OBJECT IDENTIFIER object with * the given set of arcs. * The minimum of two arcs must be present; some restrictions apply. * RETURN VALUES: * -1/EINVAL: Invalid arguments * -1/ERANGE: The first two arcs do not conform to ASN.1 restrictions. * -1/ENOMEM: Memory allocation failed * 0: The object was initialized with new arcs. */ int OBJECT_IDENTIFIER_set_arcs(OBJECT_IDENTIFIER_t *_oid, const void *_arcs, /* e.g., unsigned int arcs[N] */ unsigned int _arc_type_size, /* e.g., sizeof(arcs[0]) */ unsigned int _arc_slots /* e.g., N */); /* * Print the specified OBJECT IDENTIFIER arc. */ int OBJECT_IDENTIFIER_print_arc(uint8_t *arcbuf, int arclen, int add, /* Arbitrary offset, required to process the first two arcs */ asn_app_consume_bytes_f *cb, void *app_key); /* Same as above, but returns the number of written digits, instead of 0 */ ssize_t OBJECT_IDENTIFIER__dump_arc(uint8_t *arcbuf, int arclen, int add, asn_app_consume_bytes_f *cb, void *app_key); /* * Parse the OBJECT IDENTIFIER textual representation ("1.3.6.1.4.1.9363"). * No arc can exceed the (0..signed_long_max) range (typically, 0..2G if L32). * This function is not specific to OBJECT IDENTIFIER, it may be used to parse * the RELATIVE-OID data, or any other data consisting of dot-separated * series of numeric values. * * If (oid_txt_length == -1), the strlen() will be invoked to determine the * size of the (oid_text) string. * * After return, the optional (opt_oid_text_end) is set to the character after * the last parsed one. (opt_oid_text_end) is never less than (oid_text). * * RETURN VALUES: * -1: Parse error. * >= 0: Number of arcs contained in the OBJECT IDENTIFIER. * * WARNING: The function always returns the real number of arcs, * even if there is no sufficient (_arc_slots) provided. * This is useful for (_arc_slots) value estimation. */ int OBJECT_IDENTIFIER_parse_arcs(const char *oid_text, ssize_t oid_txt_length, long arcs[], unsigned int arcs_slots, const char **opt_oid_text_end); /* * Internal functions. * Used by RELATIVE-OID implementation in particular. */ int OBJECT_IDENTIFIER_get_single_arc(uint8_t *arcbuf, unsigned int arclen, signed int add, void *value, unsigned int value_size); int OBJECT_IDENTIFIER_set_single_arc(uint8_t *arcbuf, const void *arcval, unsigned int arcval_size, int _prepared_order); #ifdef __cplusplus } #endif #endif /* _OBJECT_IDENTIFIER_H_ */