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.\" $FreeBSD$ 26.\" 27.Dd November 7, 2012 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 BdhKLqstuvW 36.Op Fl b Ar br_ifname 37.Fl c Ar config-file 38.Op Fl C Ar ctrl 39.Op Fl D Ar driver 40.Op Fl f Ar debug file 41.Op Fl g Ar global ctrl 42.Fl i Ar ifname 43.Op Fl o Ar override driver 44.Op Fl O Ar override ctrl 45.Op Fl P Ar pid file 46.Oo Fl N 47.Fl i Ar ifname 48.Fl c Ar config-file 49.Op Fl C Ar ctrl 50.Op Fl D driver 51.Op Fl p Ar driver_param 52.Op Fl b Ar br_ifname 53.No ... 54.Oc 55.Sh DESCRIPTION 56The 57.Nm 58utility 59is an implementation of the WPA Supplicant component, 60i.e., the part that runs in the client stations. 61It implements WPA key negotiation with a WPA Authenticator 62and EAP authentication with an Authentication Server. 63In addition, 64.Nm 65controls the roaming and IEEE 802.11 66authentication/association support of the 67.Xr wlan 4 68module and can be used to configure static WEP keys 69based on identified networks. 70.Pp 71The 72.Nm 73utility 74is designed to be a 75.Dq daemon 76program that runs in the 77background and acts as the backend component controlling 78the wireless connection. 79It supports separate frontend programs such as the 80text-based 81.Xr wpa_cli 8 82program. 83.Pp 84The following arguments must be specified on the command line: 85.Bl -tag -width indent 86.It Fl i Ar ifname 87Use the specified wireless interface. 88.It Fl c Ar config-file 89Use the settings in the specified configuration file when managing 90the wireless interface. 91See 92.Xr wpa_supplicant.conf 5 93for a description of the configuration file syntax and contents. 94.Pp 95Changes to the configuration file can be reloaded by sending a 96.Dv SIGHUP 97to the 98.Nm 99process or with the 100.Xr wpa_cli 8 101utility, using 102.Dq Li "wpa_cli reconfigure" . 103.El 104.Sh OPTIONS 105The following options are available: 106.Bl -tag -width indent 107.It Fl b 108Optional bridge interface name. 109.It Fl B 110Detach from the controlling terminal and run as a daemon process 111in the background. 112.It Fl d 113Enable debugging messages. 114If this option is supplied twice, more verbose messages are displayed. 115.It Fl D 116Driver name (can be multiple drivers: nl80211,wext). 117.It Fl f 118Log output to debug file instead of stdout. 119.It Fl g 120Global ctrl_interface. 121.It Fl h 122Show help text. 123.It Fl K 124Include key information in debugging output. 125.It Fl L 126Display the license for this program on the terminal and exit. 127.It Fl N 128Start describing a new interface. 129.It Fl o 130Overrides driver parameter for new interfaces. 131.It Fl O 132Override ctrl_interface parameter for new interfaces. 133.It Fl p 134Specify driver parameters. 135.It Fl P 136File in which to save the process PID. 137.It Fl q 138Decrease debugging verbosity (i.e., counteract the use of the 139.Fl d 140flag). 141.It Fl s 142Send log messages through 143.Xr syslog 3 144instead of to the terminal. 145.It Fl t 146Include timestamp in debug messages. 147.It Fl u 148Enable DBus control interface. 149.It Fl v 150Display version information on the terminal and exit. 151.It Fl W 152Wait for a control interface monitor before starting. 153.El 154.Sh SEE ALSO 155.Xr an 4 , 156.Xr ath 4 , 157.Xr ipw 4 , 158.Xr iwi 4 , 159.Xr ral 4 , 160.Xr rum 4 , 161.Xr ural 4 , 162.Xr wi 4 , 163.Xr wlan 4 , 164.Xr wpi 4 , 165.Xr zyd 4 , 166.Xr wpa_supplicant.conf 5 , 167.Xr devd 8 , 168.Xr ifconfig 8 , 169.Xr wpa_cli 8 170.Sh HISTORY 171The 172.Nm 173utility first appeared in 174.Fx 6.0 . 175.Sh AUTHORS 176The 177.Nm 178utility was written by 179.An Jouni Malinen Aq Mt j@w1.fi . 180This manual page is derived from the 181.Pa README 182file included in the 183.Nm 184distribution. 185