1.\" Copyright (c) 2005 Sam Leffler <sam@errno.com> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/usr.sbin/wpa/wpa_supplicant/wpa_supplicant.8,v 1.2 2005/06/27 06:40:43 ru Exp $ 26.\" $DragonFly: src/usr.sbin/802_11/wpa_supplicant/wpa_supplicant.8,v 1.6 2007/09/16 18:52:17 swildner Exp $ 27.\" 28.Dd July 22, 2007 29.Dt WPA_SUPPLICANT 8 30.Os 31.Sh NAME 32.Nm wpa_supplicant 33.Nd "WPA/802.11i Supplicant for wireless network devices" 34.Sh SYNOPSIS 35.Nm 36.Op Fl BdehLqvw 37.Fl i Ar ifname 38.Fl c Ar config-file 39.Op Fl N i Ar ifname Fl c Ar config-file ... 40.Sh DESCRIPTION 41The 42.Nm 43utility 44is an implementation of the WPA Supplicant component, 45i.e., the part that runs in the client stations. 46It implements WPA key negotiation with a WPA Authenticator 47and EAP authentication with an Authentication Server. 48In addition, 49.Nm 50controls the roaming and IEEE 802.11 51authentication/association support of the 52.Xr wlan 4 53module and can be used to configure static WEP keys 54based on identified networks. 55.Pp 56The 57.Nm 58utility 59is designed to be a 60.Dq daemon 61program that runs in the 62background and acts as the backend component controlling 63the wireless connection. 64It supports separate frontend programs such as the 65text-based 66.Xr wpa_cli 8 67program. 68.Pp 69The following arguments must be specified on the command line: 70.Bl -tag -width indent 71.It Fl i Ar ifname 72Use the specified wireless interface. 73.It Fl c Ar config-file 74Use the settings in the specified configuration file when managing 75the wireless interface. 76See 77.Xr wpa_supplicant.conf 5 78for a description of the configuration file syntax and contents. 79.Pp 80Changes to the configuration file can be reloaded by sending a 81.Dv SIGHUP 82to the 83.Nm 84process or with the 85.Xr wpa_cli 8 86utility, using 87.Dq Li "wpa_cli reconfigure" . 88.El 89.Sh OPTIONS 90The following options are available: 91.Bl -tag -width indent 92.It Fl d 93Enable debugging messages. 94If this option is supplied twice, more verbose messages are displayed. 95.It Fl e 96Use an external IEEE 802.1X Supplicant program and disable the 97internal Supplicant. 98This option is not normally used. 99.It Fl h 100Show help text. 101.It Fl q 102Decrease debugging verbosity (i.e., counteract the use of the 103.Fl d 104flag). 105.It Fl v 106Display version information on the terminal and exit. 107.It Fl w 108If the specified interface is not present, wait for it to be 109added; e.g.\& a cardbus device to be inserted. 110This option is not normally used. 111.It Fl B 112Detach from the controlling terminal and run as a daemon process 113in the background. 114.It Fl K 115Include key information in debugging output. 116.It Fl L 117Display the license for this program on the terminal and exit. 118.It Fl N i Ar ifname Fl c Ar config-file ... 119Specify an additional interface and configuration file. 120If multiple interfaces are specified then 121.Nm 122will manage them all with a single process. 123.El 124.Sh SEE ALSO 125.Xr acx 4 , 126.Xr ath 4 , 127.Xr bwi 4 , 128.Xr ipw 4 , 129.Xr iwi 4 , 130.Xr ral 4 , 131.Xr rum 4 , 132.Xr ural 4 , 133.Xr wi 4 , 134.Xr wlan 4 , 135.Xr wpa_supplicant.conf 5 , 136.Xr ifconfig 8 , 137.Xr wpa_cli 8 138.Sh HISTORY 139The 140.Nm 141utility first appeared in 142.Fx 6.0 . 143.Sh AUTHORS 144The 145.Nm 146utility was written by 147.An Jouni Malinen Aq jkmaline@cc.hut.fi . 148This manual page is derived from the 149.Pa README 150file included in the 151.Nm 152distribution. 153