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.\" $OpenBSD: hostapd.conf.5,v 1.3 2005/04/13 20:03:06 jmc Exp $
.\"
.\" Copyright (c) 2004, 2005 Reyk Floeter <reyk@vantronix.net>
.\"
.\" 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 April 13, 2004
.Dt HOSTAPD.CONF 5
.Os
.Sh NAME
.Nm hostapd.conf
.Nd configuration file for the Host Access Point daemon
.Sh DESCRIPTION
.Nm
is the configuration file for the
.Xr hostapd 8
daemon.
.Sh SECTIONS
The
.Nm
file is divided into two main sections.
.Bl -tag -width xxxx
.It Sy Macros
User-defined variables may be defined and used later, simplifying the
configuration file.
.It Sy Global Configuration
Global settings for
.Xr hostapd 8 .
.El
.Pp
Comments can be put anywhere in the file using a hash mark
.Pq Sq # ,
and extend to the end of the current line.
.Sh MACROS
Much like
.Xr cpp 1
or
.Xr m4 1 ,
macros can be defined that will later be expanded in context.
Macro names must start with a letter, and may contain letters, digits
and underscores.
Macro names may not be reserved words (for example,
.Ic set ,
.Ic interface ,
or
.Ic hostap ) .
Macros are not expanded inside quotes.
.Pp
For example:
.Bd -literal -offset indent
wlan="ath0"
set iapp interface $wlan
.Ed
.Sh GLOBAL CONFIGURATION
The following configuration settings are understood:
.Bl -tag -width Ds
.It Ic set hostap interface Ar interface
Specify the wireless interface running in Host AP mode.
This option could be omitted to use
.Xr hostapd 8
to log received IAPP messages.
.It Ic set iapp interface Ar interface
Specify the mandatory Inter-Access-Point (IAPP) interface.
.It Ic set iapp mode Ar mode
Specify the IAPP mode, if not using the default one.
IAPP could be used in multicast (default) or in broadcast mode.
The used multicast group is 224.0.1.178.
.Pp
Possible options:
.Bd -literal -offset indent
set iapp mode multicast
set iapp mode broadcast
.Ed
.El
.Sh SEE ALSO
.Xr hostapd 8
.Sh AUTHORS
The
.Xr hostapd 8
program was written by
.An Reyk Floeter Aq reyk@openbsd.org .