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+'\" t
+.\"     Title: pam_sm_acct_mgmt
+.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 09/03/2021
+.\"    Manual: Linux-PAM Manual
+.\"    Source: Linux-PAM Manual
+.\"  Language: English
+.\"
+.TH "PAM_SM_ACCT_MGMT" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+pam_sm_acct_mgmt \- PAM service function for account management
+.SH "SYNOPSIS"
+.sp
+.ft B
+.nf
+#include <security/pam_modules\&.h>
+.fi
+.ft
+.HP \w'int\ pam_sm_acct_mgmt('u
+.BI "int pam_sm_acct_mgmt(pam_handle_t\ *" "pamh" ", int\ " "flags" ", int\ " "argc" ", const\ char\ **" "argv" ");"
+.SH "DESCRIPTION"
+.PP
+The
+\fBpam_sm_acct_mgmt\fR
+function is the service module\*(Aqs implementation of the
+\fBpam_acct_mgmt\fR(3)
+interface\&.
+.PP
+This function performs the task of establishing whether the user is permitted to gain access at this time\&. It should be understood that the user has previously been validated by an authentication module\&. This function checks for other things\&. Such things might be: the time of day or the date, the terminal line, remote hostname, etc\&. This function may also determine things like the expiration on passwords, and respond that the user change it before continuing\&.
+.PP
+Valid flags, which may be logically OR\*(Aqd with
+\fIPAM_SILENT\fR, are:
+.PP
+PAM_SILENT
+.RS 4
+Do not emit any messages\&.
+.RE
+.PP
+PAM_DISALLOW_NULL_AUTHTOK
+.RS 4
+Return
+\fBPAM_AUTH_ERR\fR
+if the database of authentication tokens for this authentication mechanism has a
+\fINULL\fR
+entry for the user\&.
+.RE
+.SH "RETURN VALUES"
+.PP
+PAM_ACCT_EXPIRED
+.RS 4
+User account has expired\&.
+.RE
+.PP
+PAM_AUTH_ERR
+.RS 4
+Authentication failure\&.
+.RE
+.PP
+PAM_NEW_AUTHTOK_REQD
+.RS 4
+The user\*(Aqs authentication token has expired\&. Before calling this function again the application will arrange for a new one to be given\&. This will likely result in a call to
+\fBpam_sm_chauthtok()\fR\&.
+.RE
+.PP
+PAM_PERM_DENIED
+.RS 4
+Permission denied\&.
+.RE
+.PP
+PAM_SUCCESS
+.RS 4
+The authentication token was successfully updated\&.
+.RE
+.PP
+PAM_USER_UNKNOWN
+.RS 4
+User unknown to password service\&.
+.RE
+.SH "SEE ALSO"
+.PP
+\fBpam\fR(3),
+\fBpam_acct_mgmt\fR(3),
+\fBpam_sm_chauthtok\fR(3),
+\fBpam_strerror\fR(3),
+\fBPAM\fR(8)