| /*- |
| * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| * Redistribution and modifications are permitted subject to BSD license. |
| */ |
| #ifndef _OBJECT_IDENTIFIER_H_ |
| #define _OBJECT_IDENTIFIER_H_ |
| |
| #include <constr_TYPE.h> |
| #include <INTEGER.h> |
| |
| typedef INTEGER_t OBJECT_IDENTIFIER_t; /* Implemented in terms of INTEGER */ |
| |
| extern asn1_TYPE_descriptor_t asn1_DEF_OBJECT_IDENTIFIER; |
| |
| der_type_encoder_f OBJECT_IDENTIFIER_encode_der; |
| asn_constr_check_f OBJECT_IDENTIFIER_constraint; |
| asn_struct_print_f OBJECT_IDENTIFIER_print; |
| |
| /********************************** |
| * Some handy conversion routines * |
| **********************************/ |
| |
| /* |
| * 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); |
| |
| /* |
| * This function fills an (_arcs) array with OBJECT IDENTIFIER arcs |
| * up to specified (_arc_slots) elements. |
| * The function always returns the real number of arcs, even if there is no |
| * sufficient (_arc_slots) provided. |
| * |
| * 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 |
| */ |
| int OBJECT_IDENTIFIER_get_arcs(OBJECT_IDENTIFIER_t *_oid, |
| void *_arcs, /* i.e., unsigned int arcs[N] */ |
| unsigned int _arc_type_size, /* i.e., sizeof(arcs[0]) */ |
| unsigned int _arc_slots /* i.e., 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, |
| void *_arcs, /* i.e., unsigned int arcs[N] */ |
| unsigned int _arc_type_size, /* i.e., sizeof(arcs[0]) */ |
| unsigned int _arc_slots /* i.e., N */); |
| |
| /* |
| * 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, |
| void *arcval, unsigned int arcval_size, int _prepared_order); |
| |
| #endif /* _OBJECT_IDENTIFIER_H_ */ |