path: root/modules/pam_sepermit/pam_sepermit.8

.\"     Title: pam_sepermit
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.74.0 <http://docbook.sf.net/>
.\"      Date: 03/02/2009
.\"    Manual: Linux-PAM Manual
.\"    Source: Linux-PAM Manual
.\"  Language: English
.\"
.TH "PAM_SEPERMIT" "8" "03/02/2009" "Linux-PAM Manual" "Linux\-PAM Manual"
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.SH "Name"
pam_sepermit \- PAM module to allow/deny login depending on SELinux enforcement state
.SH "Synopsis"
.fam C
.HP \w'\fBpam_sepermit\&.so\fR\ 'u
\fBpam_sepermit\&.so\fR [debug] [conf=\fI/path/to/config/file\fR]
.fam
.SH "DESCRIPTION"
.PP
The pam_sepermit module allows or denies login depending on SELinux enforcement state\&.
.PP
When the user which is logging in matches an entry in the config file he is allowed access only when the SELinux is in enforcing mode\&. Otherwise he is denied access\&. For users not matching any entry in the config file the pam_sepermit module returns PAM_IGNORE return value\&.
.PP
The config file contains a simple list of user names one per line\&. If the
\fIname\fR
is prefixed with
\fI@\fR
character it means that all users in the group
\fIname\fR
match\&. If it is prefixed with a
\fI%\fR
character the SELinux user is used to match against the
\fIname\fR
instead of the account name\&. Note that when SELinux is disabled the SELinux user assigned to the account cannot be determined\&. This means that such entries are never matched when SELinux is disabled and pam_sepermit will return PAM_IGNORE\&.
.PP
Each user name in the configuration file can have optional arguments separated by
\fI:\fR
character\&. The only currently recognized argument is
\fIexclusive\fR\&. The pam_sepermit module will allow only single concurrent user session for the user with this argument specified and it will attempt to kill all processes of the user after logout\&.
.SH "OPTIONS"
.PP
\fBdebug\fR
.RS 4
Turns on debugging via
\fBsyslog\fR(3)\&.
.RE
.PP
\fBconf=\fR\fB\fI/path/to/config/file\fR\fR
.RS 4
Path to alternative config file overriding the default\&.
.RE
.SH "MODULE TYPES PROVIDED"
.PP
The
\fBauth\fR
and
\fBaccount\fR
module types are provided\&.
.SH "RETURN VALUES"
.PP
PAM_AUTH_ERR
.RS 4
SELinux is disabled or in the permissive mode and the user matches\&.
.RE
.PP
PAM_SUCCESS
.RS 4
SELinux is in the enforcing mode and the user matches\&.
.RE
.PP
PAM_IGNORE
.RS 4
The user does not match any entry in the config file\&.
.RE
.PP
PAM_USER_UNKNOWN
.RS 4
The module was unable to determine the user\'s name\&.
.RE
.PP
PAM_SERVICE_ERR
.RS 4
Error during reading or parsing the config file\&.
.RE
.SH "FILES"
.PP
\FC/etc/security/sepermit\&.conf\F[]
.RS 4
Default configuration file
.RE
.SH "EXAMPLES"
.sp
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auth     [success=done ignore=ignore default=bad] pam_sepermit\&.so
auth     required  pam_unix\&.so
account  required  pam_unix\&.so
session  required  pam_permit\&.so
    
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.if t \{\
.sp 1
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.fam
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.RE
.\}
.SH "SEE ALSO"
.PP

\fBpam.conf\fR(5),
\fBpam.d\fR(8),
\fBpam\fR(8)
.SH "AUTHOR"
.PP
pam_sepermit was written by Tomas Mraz <tmraz@redhat\&.com>\&.