Steve Karg
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
/**
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* @file
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* @brief BACnetCredentialAuthenticationFactor encode and decode functions
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* @author Nikola Jelic <nikola.jelic@euroicc.com>
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* @author Steve Karg <skarg@users.sourceforge.net>
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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/credential_authentication_factor.h"
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#include "bacnet/bacdcode.h"
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int bacapp_encode_credential_authentication_factor(
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uint8_t *apdu, BACNET_CREDENTIAL_AUTHENTICATION_FACTOR *caf)
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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, caf->disable);
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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 = bacapp_encode_context_authentication_factor(
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&apdu[apdu_len], 1, &caf->authentication_factor);
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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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return apdu_len;
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}
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int bacapp_encode_context_credential_authentication_factor(
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uint8_t *apdu, uint8_t tag, BACNET_CREDENTIAL_AUTHENTICATION_FACTOR *caf)
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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_credential_authentication_factor(&apdu[apdu_len], caf);
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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_credential_authentication_factor(
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uint8_t *apdu, BACNET_CREDENTIAL_AUTHENTICATION_FACTOR *caf)
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{
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int len;
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int apdu_len = 0;
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uint32_t disable = caf->disable;
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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, &disable);
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if (len < 0) {
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return -1;
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} else if (disable < ACCESS_AUTHENTICATION_FACTOR_DISABLE_MAX) {
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apdu_len += len;
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caf->disable = (BACNET_ACCESS_AUTHENTICATION_FACTOR_DISABLE)disable;
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} else {
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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 = bacapp_decode_context_authentication_factor(
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&apdu[apdu_len], 1, &caf->authentication_factor);
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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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} else {
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return -1;
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}
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return apdu_len;
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}
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int bacapp_decode_context_credential_authentication_factor(
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uint8_t *apdu, uint8_t tag, BACNET_CREDENTIAL_AUTHENTICATION_FACTOR *caf)
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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_credential_authentication_factor(&apdu[len], caf);
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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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