152 lines
4.1 KiB
Groff
152 lines
4.1 KiB
Groff
.\" Copyright (c) 2005 Sam Leffler <sam@errno.com>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 21, 2008
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.Dt WPA_SUPPLICANT 8
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.Os
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.Sh NAME
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.Nm wpa_supplicant
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.Nd "WPA/802.11i Supplicant for wireless network devices"
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.Sh SYNOPSIS
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.Nm
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.Op Fl BdehLqvw
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.Fl i Ar ifname
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.Fl c Ar config-file
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.Sh DESCRIPTION
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The
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.Nm
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utility
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is an implementation of the WPA Supplicant component,
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i.e., the part that runs in the client stations.
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It implements WPA key negotiation with a WPA Authenticator
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and EAP authentication with an Authentication Server.
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In addition,
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.Nm
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controls the roaming and IEEE 802.11
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authentication/association support of the
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.Xr wlan 4
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module and can be used to configure static WEP keys
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based on identified networks.
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.Pp
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The
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.Nm
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utility
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is designed to be a
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.Dq daemon
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program that runs in the
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background and acts as the backend component controlling
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the wireless connection.
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It supports separate frontend programs such as the
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text-based
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.Xr wpa_cli 8
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program.
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.Pp
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The following arguments must be specified on the command line:
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.Bl -tag -width indent
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.It Fl i Ar ifname
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Use the specified wireless interface.
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.It Fl c Ar config-file
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Use the settings in the specified configuration file when managing
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the wireless interface.
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See
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.Xr wpa_supplicant.conf 5
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for a description of the configuration file syntax and contents.
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.Pp
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Changes to the configuration file can be reloaded by sending a
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.Dv SIGHUP
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to the
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.Nm
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process or with the
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.Xr wpa_cli 8
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utility, using
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.Dq Li "wpa_cli reconfigure" .
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.El
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.Sh OPTIONS
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The following options are available:
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.Bl -tag -width indent
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.It Fl d
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Enable debugging messages.
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If this option is supplied twice, more verbose messages are displayed.
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.It Fl e
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Use an external IEEE 802.1X Supplicant program and disable the
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internal Supplicant.
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This option is not normally used.
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.It Fl h
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Show help text.
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.It Fl q
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Decrease debugging verbosity (i.e., counteract the use of the
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.Fl d
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flag).
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.It Fl v
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Display version information on the terminal and exit.
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.It Fl w
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If the specified interface is not present, wait for it to be
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added; e.g.\& a cardbus device to be inserted.
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This option is not normally used; instead,
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.Xr devd 8
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should be configured to launch
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.Nm
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when a device is created.
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.It Fl B
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Detach from the controlling terminal and run as a daemon process
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in the background.
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.It Fl K
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Include key information in debugging output.
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.It Fl L
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Display the license for this program on the terminal and exit.
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.El
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.Sh SEE ALSO
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.Xr an 4 ,
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.Xr ath 4 ,
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.Xr ipw 4 ,
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.Xr iwi 4 ,
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.Xr ral 4 ,
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.Xr rum 4 ,
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.Xr ural 4 ,
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.Xr wi 4 ,
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.Xr wlan 4 ,
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.Xr wpi 4 ,
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.Xr zyd 4 ,
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.Xr wpa_supplicant.conf 5 ,
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.Xr devd 8 ,
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.Xr ifconfig 8 ,
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.Xr wpa_cli 8
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 6.0 .
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.Sh AUTHORS
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The
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.Nm
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utility was written by
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.An Jouni Malinen Aq jkmaline@cc.hut.fi .
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This manual page is derived from the
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.Pa README
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file included in the
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.Nm
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distribution.
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