Interprocess Communications

Document Information

Preface

1. Trusted Extensions APIs and Security Policy

2. Labels and Clearances

3. Label Code Examples

4. Printing and the Label APIs

5. Interprocess Communications

Multilevel Port Information

Communication Endpoints

Berkeley Sockets and TLI

AF_UNIX Family

AF_INET Family

RPC Mechanism

Using Multilevel Ports With UDP

6. Trusted X Window System

7. Label Builder APIs

8. Trusted Web Guard Prototype

9. Experimental Java Bindings for the Solaris Trusted Extensions Label APIs

A. Programmer's Reference

B. Trusted Extensions API Reference

Index

Chapter 5

A system that is configured with Trusted Extensions enforces mandatory access control (MAC) and discretionary access control (DAC). Access control is enforced between communicating processes on the same host and across the network. This chapter summarizes the interprocess communication (IPC) mechanisms that are available in a system configured with Trusted Extensions. This chapter also discusses how access controls apply.

For examples of how the Trusted Extensions APIs are used in the Oracle Solaris OS, see the Oracle Solaris source code. Go to the OpenSolaris web site and click Source Browser in the left navigation bar. Use the Source Browser to search through the Oracle Solaris source code.

This chapter covers the following topics:

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