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Bugfix/property array element zero size (#908)

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* Changed BACnetARRAY index validation into ReadProperty, ReadPropertyMultiple, WriteProperty, and WritePropertyMultiple handlers.

* Changed the basic and example objects after refactoring BACnetARRAY index validation into ReadProperty, ReadPropertyMultiple, WriteProperty, and WritePropertyMultiple handlers.

* Added BACnet application decoder that understands that an array element of zero is an unsigned integer tagged value.  Fixes RP and RPM apps when reading the array element zero of arrays.
This commit is contained in:
Steve Karg
2025-02-10 09:44:53 -06:00
committed by GitHub
parent da3aaf3b48
commit 66329a05a0
98 changed files with 299 additions and 1234 deletions
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src/bacnet/basic/object/netport.c
-49
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@@ -3239,35 +3239,6 @@ bool Network_Port_MSTP_Max_Info_Frames_Set(
return status;
}
/**
* Determine if the object property is a BACnetARRAY datatype
* @param object_property [in] BACnet object property
* @return true if the object property is a BACnetARRAY datatype
*/
static bool
Network_Port_BACnetArray_Property(BACNET_PROPERTY_ID object_property)
{
bool status = false;
switch (object_property) {
case PROP_EVENT_TIME_STAMPS:
case PROP_EVENT_MESSAGE_TEXTS:
case PROP_EVENT_MESSAGE_TEXTS_CONFIG:
case PROP_PROPERTY_LIST:
case PROP_TAGS:
case PROP_LINK_SPEEDS:
case PROP_IP_DNS_SERVER:
case PROP_IPV6_DNS_SERVER:
case PROP_ISSUER_CERTIFICATE_FILES:
status = true;
break;
default:
break;
}
return status;
}
/**
* ReadProperty handler for this object. For the given ReadProperty
* data, the application_data is loaded or the error flags are set.
@@ -3807,14 +3778,6 @@ int Network_Port_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
(void)apdu_size;
break;
}
/* only array properties can have optional array indices */
if ((apdu_len >= 0) &&
(!Network_Port_BACnetArray_Property(rpdata->object_property)) &&
(rpdata->array_index != BACNET_ARRAY_ALL)) {
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
apdu_len = BACNET_STATUS_ERROR;
}
return apdu_len;
}
@@ -3854,18 +3817,6 @@ bool Network_Port_Write_Property(BACNET_WRITE_PROPERTY_DATA *wp_data)
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
return false;
}
if ((wp_data->object_property != PROP_LINK_SPEEDS) &&
(wp_data->object_property != PROP_IP_DNS_SERVER) &&
(wp_data->object_property != PROP_IPV6_DNS_SERVER) &&
(wp_data->object_property != PROP_EVENT_MESSAGE_TEXTS) &&
(wp_data->object_property != PROP_EVENT_MESSAGE_TEXTS_CONFIG) &&
(wp_data->object_property != PROP_TAGS) &&
(wp_data->array_index != BACNET_ARRAY_ALL)) {
/* only array properties can have array options */
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
return false;
}
/* FIXME: len < application_data_len: more data? */
switch (wp_data->object_property) {
case PROP_MAX_MASTER: