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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/access_user.c
+10 -25
View File
@@ -13,6 +13,7 @@
/* BACnet Stack API */
#include "bacnet/bacdcode.h"
#include "bacnet/bacapp.h"
#include "bacnet/proplist.h"
#include "bacnet/wp.h"
#include "access_user.h"
#include "bacnet/basic/services.h"
@@ -197,12 +198,6 @@ int Access_User_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
apdu_len = BACNET_STATUS_ERROR;
break;
}
/* only array properties can have array options */
if ((apdu_len >= 0) && (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;
}
@@ -225,12 +220,6 @@ bool Access_User_Write_Property(BACNET_WRITE_PROPERTY_DATA *wp_data)
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
return false;
}
/* only array properties can have array options */
if ((wp_data->array_index != BACNET_ARRAY_ALL)) {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
return false;
}
object_index = Access_User_Instance_To_Index(wp_data->object_instance);
switch (wp_data->object_property) {
case PROP_GLOBAL_IDENTIFIER:
@@ -241,20 +230,16 @@ bool Access_User_Write_Property(BACNET_WRITE_PROPERTY_DATA *wp_data)
value.type.Unsigned_Int;
}
break;
case PROP_OBJECT_IDENTIFIER:
case PROP_OBJECT_NAME:
case PROP_OBJECT_TYPE:
case PROP_STATUS_FLAGS:
case PROP_RELIABILITY:
case PROP_USER_TYPE:
case PROP_CREDENTIALS:
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
break;
default:
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
if (property_lists_member(
Properties_Required, Properties_Optional,
Properties_Proprietary, wp_data->object_property)) {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
}
break;
}