The Linux-PAM Module Writers' Guide

Andrew G. Morgan, morgan@kernel.org

1. Introduction

• 1.1 Synopsis
• 1.2 Description

2. What can be expected by the module

• 2.1 Getting and setting PAM_ITEMs and data
• 2.2 Other functions provided by libpam

3. What is expected of a module

• 3.1 Overview
• 3.2 Authentication management
• 3.3 Account management
• 3.4 Session management
• 3.5 Password management

4. Generic optional arguments

5. Programming notes

• 5.1 Security issues for module creation
• 5.2 Use of syslog(3)
• 5.3 Modules that require system libraries
• 5.4 Added requirements for statically loaded modules.

6. An example module file

7. Files

8. See also

9. Notes

10. Author/acknowledgments

11. Bugs/omissions

12. Copyright information for this document