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5.2.1 LANSA Objects and Security

The LANSA security system normally deals with:

Security at the function level is optional. Using function level security involves more run time security checking, and therefore uses more system resources.

A flag in the system definition data area DC@A01 must be set to indicate that function level security is required. Refer to Execution and Security Settings for details.

There are four additional special objects that LANSA deals with. These are:

Access to all of these objects is controlled by the LANSA security system.

Refer to 5.8 System Partition Definitions and 5.13 Application Templates for further information. Application Template Program Examples are found in the Visual LANSA Developer Guide.

Within the LANSA security system there are 2 'classes' of access associated with any object type. These are:

The 2 object classes (DEFINITION and DATA) and the way they affect the 7 object types can be summarized in the following table.

Obj Type

Access Class

Description Of Access Allowable

FIELD 

DEF

USE: User can use the field definition.

MODIFY: User can modify the field definition.

DELETE: User can delete the field definition.

DATA

Data rights are not applicable.

FILE 

DEF

USE: User can use the file definition.

MODIFY: User can modify the file definition.

DELETE: User can delete the file definition.

DATA

READ: User can read records from the file.

ADD: User can add records to the file.

CHANGE: User can change records in the file

DELETE: User can delete records from the file.

PROCESS  or FUNCTION

DEF

USE: User can use (run) the process/function.

MODIFY: User can change the definition.

DELETE: User can delete the definition.

DATA

Data rights are not applicable.

PARTITION

DEF

USE: User can access the partition.

MODIFY: User can change the partition definition.

DELETE: User can delete the partition definition.

DATA

Data rights are not applicable.

TEMPLATE

DEF

USE: User can use the template.

MODIFY: User can change the template definition.

DELETE: User can delete the template definition.

DATA

Data rights are not applicable.

SYSTEM VARIABLE

DEF

USE: User can use the system variable.

MODIFY: User can change the system variable.

DELETE: User can delete the system variable.

DATA

Data rights are not applicable.

MULTILINGUAL VARIABLE

DEF

USE: User can use the multilingual variable.

MODIFY: User can change the multilingual variable.

DELETE: User can delete the multilingual variable.

DATA

Data rights are not applicable.

WEBLET

DEF

USE: User can use the field definition.

MODIFY: User can modify the field definition.

DELETE: User can delete the field definition.

DATA

Data rights are not applicable.