source: branches/samba-3.3.x/docs/manpages/pam_winbind.7

.\"     Title: pam_winbind
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.74.0 <http://docbook.sf.net/>
.\"      Date: 04/28/2009
.\"    Manual: 7
.\"    Source: Samba 3.3
.\"  Language: English
.\"
.TH "PAM_WINBIND" "7" "04/28/2009" "Samba 3\&.3" "7"
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.SH "Name"
pam_winbind \- PAM module for Winbind
.SH "DESCRIPTION"
.PP
This tool is part of the
\fBsamba\fR(7)
suite\&.
.PP
pam_winbind is a PAM module that can authenticate users against the local domain by talking to the Winbind daemon\&.
.SH "OPTIONS"
.PP
pam_winbind supports several options which can either be set in the PAM configuration files or in the pam_winbind configuration file situated at
\FC/etc/security/pam_winbind\&.conf\F[]\&. Options from the PAM configuration file take precedence to those from the configuration file\&.
.PP
debug
.RS 4
Gives debugging output to syslog\&.
.RE
.PP
debug_state
.RS 4
Gives detailed PAM state debugging output to syslog\&.
.RE
.PP
require_membership_of=[SID or NAME]
.RS 4
If this option is set, pam_winbind will only succeed if the user is a member of the given SID or NAME\&. A SID can be either a group\-SID, an alias\-SID or even an user\-SID\&. It is also possible to give a NAME instead of the SID\&. That name must have the form:
\fIMYDOMAIN\e\emygroup\fR
or
\fIMYDOMAIN\e\emyuser\fR\&. pam_winbind will, in that case, lookup the SID internally\&. Note that NAME may not contain any spaces\&. It is thus recommended to only use SIDs\&. You can verify the list of SIDs a user is a member of with
\FCwbinfo \-\-user\-sids=SID\F[]\&.
.RE
.PP
try_first_pass
.RS 4
.RE
.PP
use_first_pass
.RS 4
By default, pam_winbind tries to get the authentication token from a previous module\&. If no token is available it asks the user for the old password\&. With this option, pam_winbind aborts with an error if no authentication token from a previous module is available\&.
.RE
.PP
use_authtok
.RS 4
Set the new password to the one provided by the previously stacked password module\&. If this option is not set pam_winbind will ask the user for the new password\&.
.RE
.PP
krb5_auth
.RS 4
pam_winbind can authenticate using Kerberos when winbindd is talking to an Active Directory domain controller\&. Kerberos authentication must be enabled with this parameter\&. When Kerberos authentication can not succeed (e\&.g\&. due to clock skew), winbindd will fallback to samlogon authentication over MSRPC\&. When this parameter is used in conjunction with
\fIwinbind refresh tickets\fR, winbind will keep your Ticket Granting Ticket (TGT) uptodate by refreshing it whenever necessary\&.
.RE
.PP
krb5_ccache_type=[type]
.RS 4
When pam_winbind is configured to try kerberos authentication by enabling the
\fIkrb5_auth\fR
option, it can store the retrieved Ticket Granting Ticket (TGT) in a credential cache\&. The type of credential cache can be set with this option\&. Currently the only supported value is:
\fIFILE\fR\&. In that case a credential cache in the form of /tmp/krb5cc_UID will be created, where UID is replaced with the numeric user id\&. Leave empty to just do kerberos authentication without having a ticket cache after the logon has succeeded\&.
.RE
.PP
cached_login
.RS 4
Winbind allows to logon using cached credentials when
\fIwinbind offline logon\fR
is enabled\&. To use this feature from the PAM module this option must be set\&.
.RE
.PP
silent
.RS 4
Do not emit any messages\&.
.RE
.PP
mkhomedir
.RS 4
Create homedirectory for a user on\-the\-fly, option is valid in PAM session block\&.
.RE
.PP
warn_pwd_expire
.RS 4
Defines number of days before pam_winbind starts to warn about passwords that are going to expire\&. Defaults to 14 days\&.
.RE
.SH "SEE ALSO"
.PP
\fBwbinfo\fR(1),
\fBwinbindd\fR(8),
\fBsmb.conf\fR(5)
.SH "VERSION"
.PP
This man page is correct for version 3 of Samba\&.
.SH "AUTHOR"
.PP
The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.
.PP
This manpage was written by Jelmer Vernooij and Guenther Deschner\&.