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.\" $OpenBSD: ldapd.8,v 1.16 2023/03/02 17:09:53 jmc Exp $
.\"
.\" Copyright (c) 2009, 2010 Martin Hedenfalk <martin@bzero.se>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: March 2 2023 $
.Dt LDAPD 8
.Os
.Sh NAME
.Nm ldapd
.Nd Lightweight Directory Access Protocol (LDAP) daemon
.Sh SYNOPSIS
.Nm ldapd
.Op Fl dnv
.Oo
.Fl D Ar macro Ns = Ns Ar value
.Oc
.Op Fl f Ar file
.Op Fl r Ar directory
.Op Fl s Ar file
.Sh DESCRIPTION
.Nm
is a daemon which implements version 3 of the LDAP protocol.
.Pp
A running
.Nm
process can be controlled using the
.Xr ldapctl 8
utility.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl D Ar macro Ns = Ns Ar value
Define
.Ar macro
to be set to
.Ar value
on the command line.
Overrides the definition of
.Ar macro
in the configuration file.
.It Fl d
Do not daemonize and log to
.Em stderr .
.It Fl f Ar file
Use
.Ar file
as the configuration file, instead of the default
.Pa /etc/ldapd.conf .
.It Fl n
Configtest mode.
Only check the configuration file for validity.
.It Fl r Ar directory
Store and read database files in
.Ar directory ,
instead of the default
.Pa /var/db/ldap .
.It Fl s Ar file
Specify an alternative location for the socket file.
.It Fl v
Produce more verbose output.
A second
.Fl v
together with the
.Fl d
flag produces debug traces of decoded BER messages on stderr.
.El
.Sh AUTHENTICATION
.Nm
can authenticate users via simple binds or SASL with the PLAIN
mechanism.
.Pp
When using simple binds, the bind DN entry must exist in a namespace
and have a
.Ic userPassword
attribute.
The following formats of the
.Ic userPassword
attribute are recognized:
.Bl -tag -width Ds
.It Ic {SHA}digest
Verify the password against the SHA-1 digest.
.It Ic {SSHA}digest
Verify the password against the salted SHA-1 digest.
.It Ic {CRYPT}hash
Verify the password against the
.Xr crypt 3
hash.
.It Ic {BSDAUTH}username
Use
.Bx
Authentication with the given username and authentication style
.Dq auth-ldap .
This is similar to using SASL PLAIN authentication with
.Ar username
as the authentication ID.
.It Ic {BSDAUTH}username#class
Same as above, but overrides the login class.
.El
.Pp
Without a prefix, the
.Ic userPassword
attribute is compared literally with the provided plain text password.
.Pp
When using SASL binds, the authentication ID should be a valid
username for
.Bx
Authentication.
.Pp
For plain text passwords to be accepted, the connection must be
considered secure, either by using an encrypted connection, or by
using the
.Ic secure
keyword in the configuration file.
.Sh FILES
.Bl -tag -width "/var/run/ldapd.sockXXXXXXX" -compact
.It Pa /etc/ldapd.conf
default
.Nm
configuration file
.It Pa /var/run/ldapd.sock
default
.Nm
control socket
.It Pa /var/db/ldap/*.db
.Nm
database files
.El
.Sh SEE ALSO
.Xr ldap 1 ,
.Xr ldapd.conf 5 ,
.Xr login.conf 5 ,
.Xr ldapctl 8
.Sh STANDARDS
.Rs
.%A J. Sermersheim
.%D June 2006
.%R RFC 4511
.%T Lightweight Directory Access Protocol (LDAP): The Protocol
.Re
.Pp
.Rs
.%A K. Zeilenga
.%D June 2006
.%R RFC 4512
.%T Lightweight Directory Access Protocol (LDAP): Directory Information Models
.Re
.Sh HISTORY
The
.Nm
program first appeared in
.Ox 4.8 .
.Sh CAVEATS
.Nm
is not yet fully LDAPv3 compliant.
.Pp
Database files are not expected to work across architectures and may
not work across versions.
|
