Establishing Process Identity and Privileges

Table of Contents

Process Identity
Mix Number, Session Number, Stack Number, and MPID Attribute
Usercode, Access Code, Charge Code, and Group Code
Name
Object Code File
Originating Source
Process Security Classes
Nonprivileged Status
Privileged Status
Granulated Privileges
Nonusercoded Status
ODT Status
SYSADMIN Status
SYSTEMUSER Status
Security Administrator Status
Compiler Status
Message Control System Status
Tasking Status
Process Identity and Process Initiation
Temporarily Assuming an Identity
Real, Saved, and Effective Process Identities
Using SETUSERCODE and SETGROUPCODE
Understanding Real and Saved Identities
Toggling between Identities

Process identity is the term used in this guide for a number of task attributes and other features that uniquely identify a process and its capabilities. This section explains:

  • The various aspects of process identity and their implications for security, billing, and operations

  • The security classes a process can belong to, and the privileges associated with each of these classes

  • Issues related to initiating processes with different USERCODE or FAMILY values than those of the initiator

  • The way an interactive program can temporarily assume the identity of a user

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