| PAM_OPEN_SESSION(3) | Library Functions Manual | PAM_OPEN_SESSION(3) | 
NAME
 pam_open_session — open a user session
LIBRARY
 Pluggable Authentication Module Library (libpam, -lpam)
DESCRIPTION
 The 
pam_open_session sets up a user session for a previously authenticated user. The session should later be torn down by a call to 
pam_close_session(3).
The flags argument is the binary or of zero or more of the following values:
- 
PAM_SILENT
- 
Do not emit any messages.
If any other bits are set, pam_open_session will return PAM_SYMBOL_ERR.
 
RETURN VALUES
 The 
pam_open_session function returns one of the following values:
- 
[PAM_ABORT]
- 
General failure.
- 
[PAM_BUF_ERR]
- 
Memory buffer error.
- 
[PAM_CONV_ERR]
- 
Conversation failure.
- 
[PAM_PERM_DENIED]
- 
Permission denied.
- 
[PAM_SERVICE_ERR]
- 
Error in service module.
- 
[PAM_SESSION_ERR]
- 
Session failure.
- 
[PAM_SYMBOL_ERR]
- 
Invalid symbol.
- 
[PAM_SYSTEM_ERR]
- 
System error.
 
STANDARDS
 X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules, June 1997.
AUTHORS
 The pam_open_session function and this manual page were developed for the FreeBSD Project by ThinkSec AS and Network Associates Laboratories, the Security Research Division of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 (“CBOSS”), as part of the DARPA CHATS research program.