9d99814e22
Prior to this patch, we failed to recreate bit-by-bit identical copies of wpa_supplicant because it doesn't generate reproducible manpages. Since the latest version(0.6.14-3 or new) of docbook-utils have already support getting the date from sgml file [1], it is possible to make some progress on the "reproducible builds" effort [2]. [1]: https://sources.debian.org/patches/docbook-utils/0.6.14-3 [2]: https://reproducible-builds.org Signed-off-by: Hu Keping <hukeping@huawei.com>
360 lines
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360 lines
10 KiB
Text
<!doctype refentry PUBLIC "-//OASIS//DTD DocBook V4.1//EN">
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<refentry>
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<refentryinfo>
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<date>07 August 2019</date>
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</refentryinfo>
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<refmeta>
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<refentrytitle>wpa_cli</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>wpa_cli</refname>
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<refpurpose>WPA command line client</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>wpa_cli</command>
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<arg>-p <replaceable>path to ctrl sockets</replaceable></arg>
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<arg>-g <replaceable>path to global ctrl_interface socket</replaceable></arg>
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<arg>-i <replaceable>ifname</replaceable></arg>
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<arg>-hvB</arg>
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<arg>-a <replaceable>action file</replaceable></arg>
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<arg>-P <replaceable>pid file</replaceable></arg>
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<arg>-G <replaceable>ping interval</replaceable></arg>
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<arg><replaceable>command ...</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Overview</title>
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<para>wpa_cli is a text-based frontend program for interacting
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with wpa_supplicant. It is used to query current status, change
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configuration, trigger events, and request interactive user
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input.</para>
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<para>wpa_cli can show the current authentication status, selected
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security mode, dot11 and dot1x MIBs, etc. In addition, it can
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configure some variables like EAPOL state machine parameters and
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trigger events like reassociation and IEEE 802.1X
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logoff/logon. wpa_cli provides a user interface to request
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authentication information, like username and password, if these
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are not included in the configuration. This can be used to
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implement, e.g., 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.</para>
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<para>The control interface of wpa_supplicant can be configured to
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allow non-root user access (ctrl_interface GROUP= parameter in the
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configuration file). This makes it possible to run wpa_cli with a
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normal user account.</para>
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<para>wpa_cli supports two modes: interactive and command
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line. Both modes share the same command set and the main
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difference is in interactive mode providing access to unsolicited
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messages (event messages, username/password requests).</para>
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<para>Interactive mode is started when wpa_cli is executed without
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including the command as a command line parameter. Commands are
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then entered on the wpa_cli prompt. In command line mode, the same
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commands are entered as command line arguments for wpa_cli.</para>
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</refsect1>
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<refsect1>
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<title>Interactive authentication parameters request</title>
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<para>When wpa_supplicant need authentication parameters, like
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username and password, which are not present in the configuration
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file, it sends a request message to all attached frontend programs,
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e.g., wpa_cli in interactive mode. wpa_cli shows these requests
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with "CTRL-REQ-<type>-<id>:<text>"
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prefix. <type> is IDENTITY, PASSWORD, or OTP
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(one-time-password). <id> is a unique identifier for the
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current network. <text> is description of the request. In
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case of OTP request, it includes the challenge from the
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authentication server.</para>
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<para>The reply to these requests can be given with
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<emphasis>identity</emphasis>, <emphasis>password</emphasis>, and
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<emphasis>otp</emphasis> commands. <id> needs to be copied from
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the matching request. <emphasis>password</emphasis> and
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<emphasis>otp</emphasis> commands can be used regardless of whether
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the request was for PASSWORD or OTP. The main difference between these
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two commands is that values given with <emphasis>password</emphasis> are
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remembered as long as wpa_supplicant is running whereas values given
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with <emphasis>otp</emphasis> are used only once and then forgotten,
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i.e., wpa_supplicant will ask frontend for a new value for every use.
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This can be used to implement one-time-password lists and generic token
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card -based authentication.</para>
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<para>Example request for password and a matching reply:</para>
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<blockquote><programlisting>
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CTRL-REQ-PASSWORD-1:Password needed for SSID foobar
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> password 1 mysecretpassword
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</programlisting></blockquote>
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<para>Example request for generic token card challenge-response:</para>
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<blockquote><programlisting>
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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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</programlisting></blockquote>
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</refsect1>
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<refsect1>
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<title>Command Arguments</title>
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<variablelist>
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<varlistentry>
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<term>-p path</term>
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<listitem><para>Change the path where control sockets should
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be found.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-g control socket path</term>
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<listitem><para>Connect to the global control socket at the
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indicated path rather than an interface-specific control
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socket.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-i ifname</term>
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<listitem><para>Specify the interface that is being
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configured. By default, choose the first interface found with
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a control socket in the socket path.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-h</term>
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<listitem><para>Help. Show a usage message.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-v</term>
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<listitem><para>Show version information.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-B</term>
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<listitem><para>Run as a daemon in the background.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-a file</term>
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<listitem><para>Run in daemon mode executing the action file
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based on events from wpa_supplicant. The specified file will
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be executed with the first argument set to interface name and
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second to "CONNECTED" or "DISCONNECTED" depending on the event.
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This can be used to execute networking tools required to configure
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the interface.</para>
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<para>Additionally, three environmental variables are available to
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the file: WPA_CTRL_DIR, WPA_ID, and WPA_ID_STR. WPA_CTRL_DIR
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contains the absolute path to the ctrl_interface socket. WPA_ID
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contains the unique network_id identifier assigned to the active
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network, and WPA_ID_STR contains the content of the id_str option.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-P file</term>
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<listitem><para>Set the location of the PID
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file.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>-G ping interval</term>
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<listitem><para>Set the interval (in seconds) at which
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wpa_cli pings the supplicant.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>command</term>
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<listitem><para>Run a command. The available commands are
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listed in the next section.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Commands</title>
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<para>The following commands are available:</para>
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<variablelist>
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<varlistentry>
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<term>status</term>
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<listitem>
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<para>get current WPA/EAPOL/EAP status</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>mib</term>
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<listitem>
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<para>get MIB variables (dot1x, dot11)</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>help</term>
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<listitem>
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<para>show this usage help</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>interface [ifname]</term>
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<listitem>
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<para>show interfaces/select interface</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>level <debug level></term>
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<listitem>
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<para>change debug level</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>license</term>
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<listitem>
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<para>show full wpa_cli license</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>logoff</term>
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<listitem>
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<para>IEEE 802.1X EAPOL state machine logoff</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>logon</term>
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<listitem>
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<para>IEEE 802.1X EAPOL state machine logon</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>set</term>
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<listitem>
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<para>set variables (shows list of variables when run without arguments)</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>pmksa</term>
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<listitem>
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<para>show PMKSA cache</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>reassociate</term>
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<listitem>
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<para>force reassociation</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>reconfigure</term>
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<listitem>
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<para>force wpa_supplicant to re-read its configuration file</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>preauthenticate <BSSID></term>
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<listitem>
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<para>force preauthentication</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>identity <network id> <identity></term>
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<listitem>
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<para>configure identity for an SSID</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>password <network id> <password></term>
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<listitem>
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<para>configure password for an SSID</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>pin <network id> <pin></term>
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<listitem>
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<para>configure pin for an SSID</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>otp <network id> <password></term>
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<listitem>
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<para>configure one-time-password for an SSID</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bssid <network id> <BSSID></term>
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<listitem>
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<para>set preferred BSSID for an SSID</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>list_networks</term>
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<listitem>
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<para>list configured networks</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>terminate</term>
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<listitem>
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<para>terminate <command>wpa_supplicant</command></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>quit</term>
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<listitem><para>exit wpa_cli</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry>
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<refentrytitle>wpa_supplicant</refentrytitle>
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<manvolnum>8</manvolnum>
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</citerefentry>
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</para>
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</refsect1>
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<refsect1>
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<title>Legal</title>
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<para>wpa_supplicant is copyright (c) 2003-2019,
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Jouni Malinen <email>j@w1.fi</email> and
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contributors.
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All Rights Reserved.</para>
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<para>This program is licensed under the BSD license (the one with
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advertisement clause removed).</para>
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</refsect1>
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</refentry>
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