Steve Karg
141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
/**
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* @file
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* @brief BACnet BACnetAuthenticationFactorFormat codecs
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* @author Nikola Jelic <nikola.jelic@euroicc.com>
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* @date 2015
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* @copyright SPDX-License-Identifier: MIT
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*/
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#include <stdint.h>
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#include "bacnet/bacdcode.h"
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#include "bacnet/authentication_factor_format.h"
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int bacapp_encode_authentication_factor_format(
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uint8_t *apdu, BACNET_AUTHENTICATION_FACTOR_FORMAT *aff)
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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, aff->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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}
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if (aff->format_type == AUTHENTICATION_FACTOR_CUSTOM) {
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len = encode_context_unsigned(&apdu[apdu_len], 1, aff->vendor_id);
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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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}
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len = encode_context_unsigned(&apdu[apdu_len], 2, aff->vendor_format);
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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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}
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}
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return apdu_len;
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}
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int bacapp_encode_context_authentication_factor_format(
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uint8_t *apdu, uint8_t tag, BACNET_AUTHENTICATION_FACTOR_FORMAT *aff)
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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_format(&apdu[apdu_len], aff);
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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_format(
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uint8_t *apdu, BACNET_AUTHENTICATION_FACTOR_FORMAT *aff)
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{
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int len;
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int apdu_len = 0;
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uint32_t format_type = aff->format_type;
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BACNET_UNSIGNED_INTEGER unsigned_value = 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, &format_type);
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if (len < 0) {
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return -1;
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} else if (format_type < AUTHENTICATION_FACTOR_MAX) {
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apdu_len += len;
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aff->format_type = (BACNET_AUTHENTICATION_FACTOR_TYPE)format_type;
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} else {
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/* FIXME: Maybe this should return BACNET_STATUS_REJECT */
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return -1;
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}
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} else {
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return -1;
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}
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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, &unsigned_value);
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if (len < 0) {
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return -1;
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} else {
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aff->vendor_id = unsigned_value;
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apdu_len += len;
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}
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if ((aff->format_type != AUTHENTICATION_FACTOR_CUSTOM) &&
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(aff->vendor_id != 0)) {
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return -1;
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}
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}
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if (decode_is_context_tag(&apdu[apdu_len], 2)) {
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len = decode_context_unsigned(&apdu[apdu_len], 2, &unsigned_value);
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if (len < 0) {
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return -1;
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} else {
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aff->vendor_format = unsigned_value;
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apdu_len += len;
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}
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if ((aff->format_type != AUTHENTICATION_FACTOR_CUSTOM) &&
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(aff->vendor_format != 0)) {
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return -1;
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}
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}
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return apdu_len;
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}
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int bacapp_decode_context_authentication_factor_format(
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uint8_t *apdu, uint8_t tag, BACNET_AUTHENTICATION_FACTOR_FORMAT *aff)
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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 =
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bacapp_decode_authentication_factor_format(&apdu[len], aff);
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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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