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: head/usr.sbin/wpa/wpa_supplicant/wpa_supplicant.8 195644 2009-07-12 19:58:52Z sam $ 26.\" 27.Dd March 24, 2008 28.Dt WPA_SUPPLICANT 8 29.Os 30.Sh NAME 31.Nm wpa_supplicant 32.Nd "WPA/802.11i Supplicant for wireless network devices" 33.Sh SYNOPSIS 34.Nm 35.Op Fl BdehLqsvw 36.Fl i Ar ifname 37.Fl c Ar config-file 38.Sh DESCRIPTION 39The 40.Nm 41utility 42is an implementation of the WPA Supplicant component, 43i.e., the part that runs in the client stations. 44It implements WPA key negotiation with a WPA Authenticator 45and EAP authentication with an Authentication Server. 46In addition, 47.Nm 48controls the roaming and IEEE 802.11 49authentication/association support of the 50.Xr wlan 4 51module and can be used to configure static WEP keys 52based on identified networks. 53.Pp 54The 55.Nm 56utility 57is designed to be a 58.Dq daemon 59program that runs in the 60background and acts as the backend component controlling 61the wireless connection. 62It supports separate frontend programs such as the 63text-based 64.Xr wpa_cli 8 65program. 66.Pp 67The following arguments must be specified on the command line: 68.Bl -tag -width indent 69.It Fl i Ar ifname 70Use the specified wireless interface. 71.It Fl c Ar config-file 72Use the settings in the specified configuration file when managing 73the wireless interface. 74See 75.Xr wpa_supplicant.conf 5 76for a description of the configuration file syntax and contents. 77.Pp 78Changes to the configuration file can be reloaded by sending a 79.Dv SIGHUP 80to the 81.Nm 82process or with the 83.Xr wpa_cli 8 84utility, using 85.Dq Li "wpa_cli reconfigure" . 86.El 87.Sh OPTIONS 88The following options are available: 89.Bl -tag -width indent 90.It Fl d 91Enable debugging messages. 92If this option is supplied twice, more verbose messages are displayed. 93.It Fl e 94Use an external IEEE 802.1X Supplicant program and disable the 95internal Supplicant. 96This option is not normally used. 97.It Fl h 98Show help text. 99.It Fl q 100Decrease debugging verbosity (i.e., counteract the use of the 101.Fl d 102flag). 103.It Fl s 104Send log messages through 105.Xr syslog 3 106instead of to the terminal. 107.It Fl v 108Display version information on the terminal and exit. 109.It Fl w 110If the specified interface is not present, wait for it to be 111added; e.g.\& a cardbus device to be inserted. 112This option is not normally used; instead, 113.Xr devd 8 114should be configured to launch 115.Nm 116when a device is created. 117.It Fl B 118Detach from the controlling terminal and run as a daemon process 119in the background. 120.It Fl K 121Include key information in debugging output. 122.It Fl L 123Display the license for this program on the terminal and exit. 124.El 125.Sh SEE ALSO 126.Xr an 4 , 127.Xr ath 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 wpi 4 , 136.\".Xr zyd 4 , 137.Xr wpa_supplicant.conf 5 , 138.Xr devd 8 , 139.Xr ifconfig 8 , 140.Xr wpa_cli 8 141.Sh HISTORY 142The 143.Nm 144utility first appeared in 145.Fx 6.0 . 146.Sh AUTHORS 147The 148.Nm 149utility was written by 150.An Jouni Malinen Aq j@w1.fi . 151This manual page is derived from the 152.Pa README 153file included in the 154.Nm 155distribution. 156