skarg
143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2015 Nikola Jelic <nikola.jelic@euroicc.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*********************************************************************/
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#include "authentication_factor.h"
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#include "bacdcode.h"
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int bacapp_encode_authentication_factor(
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uint8_t * apdu,
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BACNET_AUTHENTICATION_FACTOR * af)
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{
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int len;
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int apdu_len = 0;
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len = encode_context_enumerated(&apdu[apdu_len], 0, af->format_type);
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if (len < 0)
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return -1;
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else
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apdu_len += len;
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len = encode_context_unsigned(&apdu[apdu_len], 1, af->format_class);
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if (len < 0)
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return -1;
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else
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apdu_len += len;
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len = encode_context_octet_string(&apdu[apdu_len], 2, &af->value);
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if (len < 0)
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return -1;
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else
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apdu_len += len;
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return apdu_len;
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}
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int bacapp_encode_context_authentication_factor(
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uint8_t * apdu,
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uint8_t tag,
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BACNET_AUTHENTICATION_FACTOR * af)
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{
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int len;
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int apdu_len = 0;
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len = encode_opening_tag(&apdu[apdu_len], tag);
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apdu_len += len;
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len = bacapp_encode_authentication_factor(&apdu[apdu_len], af);
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apdu_len += len;
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len = encode_closing_tag(&apdu[apdu_len], tag);
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apdu_len += len;
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return apdu_len;
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}
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int bacapp_decode_authentication_factor(
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uint8_t * apdu,
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BACNET_AUTHENTICATION_FACTOR * af)
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{
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int len;
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int apdu_len = 0;
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if (decode_is_context_tag(&apdu[apdu_len], 0)) {
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len = decode_context_enumerated(&apdu[apdu_len], 0, &af->format_type);
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if (len < 0)
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return -1;
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else
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apdu_len += len;
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} else
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return -1;
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if (decode_is_context_tag(&apdu[apdu_len], 1)) {
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len = decode_context_unsigned(&apdu[apdu_len], 1, &af->format_class);
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if (len < 0)
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return -1;
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else
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apdu_len += len;
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} else
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return -1;
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if (decode_is_context_tag(&apdu[apdu_len], 2)) {
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len = decode_context_octet_string(&apdu[apdu_len], 2, &af->value);
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if (len < 0)
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return -1;
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else
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apdu_len += len;
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} else
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return -1;
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return apdu_len;
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}
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int bacapp_decode_context_authentication_factor(
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uint8_t * apdu,
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uint8_t tag,
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BACNET_AUTHENTICATION_FACTOR * af)
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{
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int len = 0;
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int section_length;
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if (decode_is_opening_tag_number(&apdu[len], tag)) {
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len++;
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section_length = bacapp_decode_authentication_factor(&apdu[len], af);
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if (section_length == -1) {
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len = -1;
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} else {
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len += section_length;
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if (decode_is_closing_tag_number(&apdu[len], tag)) {
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len++;
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} else {
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len = -1;
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}
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}
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} else {
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len = -1;
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}
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return len;
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}
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