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335 lines
8.8 KiB
Groff
335 lines
8.8 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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.Dd January 24, 2017
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.Dt WPA_CLI 8
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.Os
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.Sh NAME
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.Nm wpa_cli
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.Nd "text-based frontend program for interacting with wpa_supplicant"
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.Sh SYNOPSIS
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.Nm wpa_cli
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.Op Fl p Ar path_to_ctrl_sockets
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.Op Fl i Ar ifname
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.Op Fl hvB
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.Op Fl a Ar action_file
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.Op Fl P Ar pid_file
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.Op Fl g Ar global_ctrl
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.Op Fl G Ar ping_interval
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.Ar command ...
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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 a text-based frontend program for interacting with
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.Xr wpa_supplicant 8 .
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It is used to query current status,
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change configuration,
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trigger events,
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and
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request interactive user input.
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.Pp
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The
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.Nm
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utility
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can show the
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current authentication status,
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selected security
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mode, dot11 and dot1x MIBs, etc.
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In addition,
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.Nm
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can configure EAPOL state machine
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parameters and trigger events such as reassociation
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and IEEE 802.1X logoff/logon.
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.Pp
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The
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.Nm
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utility
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provides an interface to supply authentication information
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such as username and password when it is not provided in the
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.Xr wpa_supplicant.conf 5
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configuration file.
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This can be used, for example, to implement
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one-time passwords or generic token card
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authentication where the authentication is based on a
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challenge-response that uses an external device for generating the
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response.
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.Pp
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The
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.Nm
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utility
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supports two modes: interactive and command line.
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Both modes share the same command set and the main difference
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is in interactive mode providing access to unsolicited messages
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(event messages, username/password requests).
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.Pp
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Interactive mode is started when
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.Nm
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is executed without any parameters on the command line.
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Commands are then entered from the controlling terminal in
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response to the
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.Nm
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prompt.
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In command line mode, the same commands are
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entered as command line arguments.
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.Pp
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The control interface of
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.Xr wpa_supplicant 8
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can be configured to allow
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non-root user access by using the
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.Va ctrl_interface_group
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parameter
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in the
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.Xr wpa_supplicant.conf 5
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configuration file.
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This makes it possible to run
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.Nm
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with a normal user account.
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.Sh AUTHENTICATION PARAMETERS
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When
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.Xr wpa_supplicant 8
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needs authentication parameters, such as username and password,
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that are not present in the configuration file, it sends a
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request message to all attached frontend programs, e.g.,
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.Nm
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in interactive mode.
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The
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.Nm
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utility
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shows these requests with a
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.Dq Li CTRL-REQ- Ns Ao Ar type Ac Ns Li - Ns Ao Ar id Ac Ns : Ns Aq Ar text
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prefix, where
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.Aq Ar type
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is
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.Li IDENTITY , PASSWORD ,
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or
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.Li OTP
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(One-Time Password),
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.Aq Ar id
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is a unique identifier for the current network,
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.Aq Ar text
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is a description of the request.
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In the case of an
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.Li OTP
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(One-Time Password) request,
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it includes the challenge from the authentication server.
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.Pp
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A user must supply
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.Xr wpa_supplicant 8
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the needed parameters in response to these requests.
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.Pp
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For example,
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.Bd -literal -offset indent
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CTRL-REQ-PASSWORD-1:Password needed for SSID foobar
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> password 1 mysecretpassword
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Example request for generic token card challenge-response:
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CTRL-REQ-OTP-2:Challenge 1235663 needed for SSID foobar
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> otp 2 9876
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.Ed
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.Sh OPTIONS
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These options are available:
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.Bl -tag -width indent
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.It Fl p Ar path
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Control sockets path.
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This should match the
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.Ic ctrl_interface
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in
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.Xr wpa_supplicant.conf 5 .
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The default path is
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.Pa /var/run/wpa_supplicant .
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.It Fl i Ar ifname
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Interface to be configured.
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By default, the first interface found in the socket path is used.
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.It Fl h
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Show help.
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.It Fl v
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Show version information.
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.It Fl B
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Run the daemon in the background.
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.It Fl a Ar action_file
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Run in daemon mode, executing the action file based on events from
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.Xr wpa_supplicant 8 .
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.It Fl P Ar pid_file
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PID file location.
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.It Fl g Ar global_ctrl
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Use a global control interface to
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.Xr wpa_supplicant 8
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rather than the default Unix domain sockets.
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.It Fl G Ar ping_interval
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Wait
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.Dq ping_interval
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seconds before sending each ping to
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.Xr wpa_supplicant 8 .
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See the
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.Ic ping
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command.
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.It command
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See available commands in the next section.
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.El
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.Sh COMMANDS
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These commands can be supplied on the command line
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or at a prompt when operating interactively.
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.Bl -tag -width indent
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.It Ic status
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Report the current WPA/EAPOL/EAP status for the current interface.
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.It Ic ifname
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Show the current interface name.
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The default interface is the first interface found in the socket path.
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.It Ic ping
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Ping the
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.Xr wpa_supplicant 8
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utility.
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This command can be used to test the status of the
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.Xr wpa_supplicant 8
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daemon.
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.It Ic mib
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Report MIB variables (dot1x, dot11) for the current interface.
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.It Ic help
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Show usage help.
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.It Ic interface Op Ar ifname
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Show available interfaces and/or set the current interface
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when multiple interfaces are available.
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.It Ic level Ar debug_level
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Change the debugging level in
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.Xr wpa_supplicant 8 .
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Larger numbers generate more messages.
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.It Ic license
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Display the full license for
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.Nm .
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.It Ic logoff
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Send the IEEE 802.1X EAPOL state machine into the
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.Dq logoff
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state.
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.It Ic logon
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Send the IEEE 802.1X EAPOL state machine into the
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.Dq logon
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state.
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.It Ic set Op Ar settings
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Set variables.
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When no arguments are supplied, the known variables and their settings
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are displayed.
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.It Ic pmksa
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Show the contents of the PMKSA cache.
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.It Ic reassociate
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Force a reassociation to the current access point.
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.It Ic reconfigure
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Force
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.Xr wpa_supplicant 8
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to re-read its configuration file.
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.It Ic preauthenticate Ar BSSID
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Force preauthentication of the specified
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.Ar BSSID .
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.It Ic identity Ar network_id identity
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Configure an identity for an SSID.
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.It Ic password Ar network_id password
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Configure a password for an SSID.
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.It Ic new_password Ar network_id password
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Change the password for an SSID.
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.It Ic PIN Ar network_id pin
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Configure a PIN for an SSID.
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.It Ic passphrase Ar network_id passphrase
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Configure a private key passphrase for an SSID.
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.It Ic bssid Ar network_id bssid
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Set a preferred BSSID for an SSID
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.It Ic blacklist Op Ar bssid | clear
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Add a BSSID to the blacklist.
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When invoked without any extra arguments, display the blacklist.
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Specifying
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.Ar clear
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causes
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.Nm
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to clear the blacklist.
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.It Ic list_networks
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List configured networks.
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.It Ic select_network Ar network_id
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Select a network and disable others.
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.It Ic enable_network Ar network_id
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Enable a network.
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.It Ic disable_network Ar network_id
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Disable a network.
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.It Ic add_network
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Add a network.
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.It Ic remove_network Ar network_id
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Remove a network.
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.It Ic set_network Op Ar network_id variable value
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Set network variables.
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Shows a list of variables when run without arguments.
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.It Ic get_network Ar network_id variable
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Get network variables.
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.It Ic disconnect
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Disconnect and wait for reassociate/reconnect command before connecting.
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.It Ic reconnect
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Similar to
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.Ic reassociate ,
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but only takes effect if already disconnected.
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.It Ic scan
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Request new BSS scan.
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.It Ic scan_results
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Get the latest BSS scan results.
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This command can be invoked after running a BSS scan with
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.Ic scan .
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.It Ic bss Op Ar idx | bssid
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Get a detailed BSS scan result for the network identified by
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.Dq bssid
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or
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.Dq idx .
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.It Ic otp Ar network_id password
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Configure a one-time password for an SSID.
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.It Ic terminate
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Force
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.Xr wpa_supplicant 8
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to terminate.
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.It Ic interface_add Ar ifname Op Ar confname driver ctrl_interface driver_param bridge_name
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Add a new interface with the given parameters.
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.It Ic interface_remove Ar ifname
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Remove the interface.
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.It Ic interface_list
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List available interfaces.
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.It Ic quit
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Exit
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.Nm .
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.El
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.Sh SEE ALSO
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.Xr wpa_supplicant.conf 5 ,
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.Xr wpa_supplicant 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 Mt j@w1.fi .
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This manual page is derived from the
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.Pa README
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and
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.Pa wpa_cli.c
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files included in the
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.Nm wpa_supplicant
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distribution.
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