'\" te
.\" Copyright (C) 2003, Sun Microsystems, Inc.
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.TH PAM_UNIX_ACCOUNT 5 "Feb 14, 2005"
.SH NAME
pam_unix_account \- PAM account management module for UNIX
.SH SYNOPSIS
.LP
.nf
\fBpam_unix_account.so.1\fR
.fi

.SH DESCRIPTION
.sp
.LP
\fBpam_unix_account\fR module implements \fBpam_sm_acct_mgmt()\fR, which
provides functionality to the \fBPAM\fR account management stack. The module
provides functions to validate that the user's account is not locked or expired
and that the user's password does not need to be changed. The module retrieves
account information from the configured databases in \fBnsswitch.conf\fR(4).
.sp
.LP
The following options can be passed to the module:
.sp
.ne 2
.na
\fB\fBdebug\fR\fR
.ad
.RS 17n
\fBsyslog\fR(3C) debugging information at the \fBLOG_DEBUG\fR level
.RE

.sp
.ne 2
.na
\fB\fBnowarn\fR\fR
.ad
.RS 17n
Turn off warning messages
.RE

.sp
.ne 2
.na
\fB\fBserver_policy\fR\fR
.ad
.RS 17n
If the account authority for the user, as specified by \fBPAM_USER\fR, is a
server, do not apply the Unix policy from the passwd entry in the name service
switch.
.RE

.SH ERRORS
.sp
.LP
The following values are returned:
.sp
.ne 2
.na
\fB\fBPAM_UNIX_ACCOUNT\fR\fR
.ad
.RS 24n
User account has expired
.RE

.sp
.ne 2
.na
\fB\fBPAM_AUTHTOK_EXPIRED\fR\fR
.ad
.RS 24n
Password expired and no longer usable
.RE

.sp
.ne 2
.na
\fB\fBPAM_BUF_ERR\fR\fR
.ad
.RS 24n
Memory buffer error
.RE

.sp
.ne 2
.na
\fB\fBPAM_IGNORE\fR\fR
.ad
.RS 24n
Ignore module, not participating in result
.RE

.sp
.ne 2
.na
\fB\fBPAM_NEW_AUTHTOK_REQD\fR\fR
.ad
.RS 24n
Obtain new authentication token from the user
.RE

.sp
.ne 2
.na
\fB\fBPAM_PERM_DENIED\fR\fR
.ad
.RS 24n
The account is locked or has been inactive for too long
.RE

.sp
.ne 2
.na
\fB\fBPAM_SERVICE_ERR\fR\fR
.ad
.RS 24n
Error in underlying service module
.RE

.sp
.ne 2
.na
\fB\fBPAM_SUCCESS\fR\fR
.ad
.RS 24n
The account is valid for use at this time
.RE

.sp
.ne 2
.na
\fB\fBPAM_USER_UNKNOWN\fR\fR
.ad
.RS 24n
No account is present for the user
.RE

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Evolving
_
MT Level	MT-Safe with exceptions
.TE

.SH SEE ALSO
.sp
.LP
\fBpam\fR(3PAM), \fBpam_authenticate\fR(3PAM), \fBsyslog\fR(3C),
\fBlibpam\fR(3LIB), \fBpam.conf\fR(4), \fBnsswitch.conf\fR(4),
\fBattributes\fR(5)
.SH NOTES
.sp
.LP
The interfaces in \fBlibpam\fR(3LIB) are MT-Safe only if each thread within the
multi-threaded application uses its own PAM handle.
.sp
.LP
Attempts to validate locked accounts are logged via \fBsyslog\fR(3C) to the
\fBLOG_AUTH\fR facility with a \fBLOG_NOTICE\fR severity.