source: networking/netprogs/wpa_supplicant.xml@ abf53e1

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Last change on this file since abf53e1 was abf53e1, checked in by Bruce Dubbs <bdubbs@…>, 5 years ago

Update to wpa_supplicant-2.7.
Describe an optional switch for libjpeg-turbo.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@20849 af4574ff-66df-0310-9fd7-8a98e5e911e0
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY wpa_supplicant-download-http
8 "https://w1.fi/releases/wpa_supplicant-&wpa_supplicant-version;.tar.gz">
9 <!ENTITY wpa_supplicant-download-ftp " ">
10 <!ENTITY wpa_supplicant-md5sum "a68538fb62766f40f890125026c42c10">
11 <!ENTITY wpa_supplicant-size "3.0 MB">
12 <!ENTITY wpa_supplicant-buildsize "36 MB">
13 <!ENTITY wpa_supplicant-time "0.2 SBU (without optional gui)">
14]>
15
16<sect1 id="wpa_supplicant" xreflabel="wpa_supplicant-&wpa_supplicant-version;">
17 <?dbhtml filename="wpa_supplicant.html"?>
18
19 <sect1info>
20 <othername>$LastChangedBy$</othername>
21 <date>$Date$</date>
22 </sect1info>
23
24 <title>wpa_supplicant-&wpa_supplicant-version;</title>
25
26 <indexterm zone="wpa_supplicant">
27 <primary sortas="a-wpa_supplicant">wpa_supplicant</primary>
28 </indexterm>
29
30 <sect2 role="package">
31 <title>Introduction to WPA Supplicant</title>
32
33 <para>
34 <application>WPA Supplicant</application> is a Wi-Fi Protected Access
35 (WPA) client and IEEE 802.1X supplicant. It implements WPA key negotiation
36 with a WPA Authenticator and Extensible Authentication Protocol (EAP)
37 authentication with an Authentication Server. In addition, it controls the
38 roaming and IEEE 802.11 authentication/association of the wireless LAN
39 driver. This is useful for connecting to a password protected wireless
40 access point.
41 </para>
42
43 &lfs83_checked;
44
45 <bridgehead renderas="sect3">Package Information</bridgehead>
46 <itemizedlist spacing="compact">
47 <listitem>
48 <para>
49 Download (HTTP): <ulink url="&wpa_supplicant-download-http;"/>
50 </para>
51 </listitem>
52 <listitem>
53 <para>
54 Download (FTP): <ulink url="&wpa_supplicant-download-ftp;"/>
55 </para>
56 </listitem>
57 <listitem>
58 <para>
59 Download MD5 sum: &wpa_supplicant-md5sum;
60 </para>
61 </listitem>
62 <listitem>
63 <para>
64 Download size: &wpa_supplicant-size;
65 </para>
66 </listitem>
67 <listitem>
68 <para>
69 Estimated disk space required: &wpa_supplicant-buildsize;
70 </para>
71 </listitem>
72 <listitem>
73 <para>
74 Estimated build time: &wpa_supplicant-time;
75 </para>
76 </listitem>
77 </itemizedlist>
78<!--
79 <bridgehead renderas="sect3">Additional Downloads</bridgehead>
80 <itemizedlist spacing="compact">
81 <listitem>
82 <para>
83 Required patch:
84 <ulink url="&patch-root;/wpa_supplicant-&wpa_supplicant-version;-upstream_fixes-2.patch"/>
85 </para>
86 </listitem>
87 </itemizedlist>
88-->
89 <bridgehead renderas="sect3">WPA Supplicant Dependencies</bridgehead>
90
91 <bridgehead renderas="sect4">Recommended</bridgehead>
92 <para role="recommended">
93 <xref linkend="libnl"/>
94 </para>
95
96 <bridgehead renderas="sect4">Optional</bridgehead>
97 <para role="optional">
98 <xref linkend="dbus"/>,
99 <xref linkend="libxml2"/>, and
100 <xref linkend="qt5"/>
101 </para>
102
103 <para condition="html" role="usernotes">User Notes:
104 <ulink url="&blfs-wiki;/wpa_supplicant"/>
105 </para>
106
107 </sect2>
108
109 <sect2 role="kernel" id="wpa_supplicant-kernel">
110 <title>Kernel Configuration</title>
111
112 <para>
113 Enable the following options in the kernel configuration as well as
114 specific device drivers for your hardware and recompile the kernel if
115 necessary:
116 </para>
117
118<screen><literal>[*] Networking support ---&gt; [CONFIG_NET]
119 [*] Wireless ---&gt; [CONFIG_WIRELESS]
120 &lt;*/M&gt; cfg80211 - wireless configuration API [CONFIG_CFG80211]
121 [*] cfg80211 wireless extensions compatibility [CONFIG_CFG80211_WEXT]
122 &lt;*/M&gt; Generic IEEE 802.11 Networking Stack (mac80211) [CONFIG_MAC80211]
123Device Drivers ---&gt;
124 [*] Network device support ---&gt; [CONFIG_NETDEVICES]
125 [*] Wireless LAN ---&gt; [CONFIG_WLAN]</literal></screen>
126
127 <para>
128 Open the submenu and select the options that support your hardware:
129 <command>lspci</command> from <xref linkend="pciutils"/> can be used to
130 view your hardware configuration.
131 </para>
132
133 <indexterm zone="wpa_supplicant wpa_supplicant-kernel">
134 <primary sortas="d-wpa_supplicant">wpa_supplicant</primary>
135 </indexterm>
136 </sect2>
137
138 <sect2 role="installation">
139 <title>Installation of WPA Supplicant</title>
140
141 <para>
142 First you will need to create an initial configuration file for the
143 build process. You can read <filename>wpa_supplicant/README</filename>
144 and <filename>wpa_supplicant/defconfig</filename> for the explanation
145 of the following options as well as other options that can be used.
146 Create a build configuration file that should work for standard WiFi
147 setups by running the following command:
148 </para>
149
150<screen><userinput>cat &gt; wpa_supplicant/.config &lt;&lt; "EOF"
151<literal>CONFIG_BACKEND=file
152CONFIG_CTRL_IFACE=y
153CONFIG_DEBUG_FILE=y
154CONFIG_DEBUG_SYSLOG=y
155CONFIG_DEBUG_SYSLOG_FACILITY=LOG_DAEMON
156CONFIG_DRIVER_NL80211=y
157CONFIG_DRIVER_WEXT=y
158CONFIG_DRIVER_WIRED=y
159CONFIG_EAP_GTC=y
160CONFIG_EAP_LEAP=y
161CONFIG_EAP_MD5=y
162CONFIG_EAP_MSCHAPV2=y
163CONFIG_EAP_OTP=y
164CONFIG_EAP_PEAP=y
165CONFIG_EAP_TLS=y
166CONFIG_EAP_TTLS=y
167CONFIG_IEEE8021X_EAPOL=y
168CONFIG_IPV6=y
169CONFIG_LIBNL32=y
170CONFIG_PEERKEY=y
171CONFIG_PKCS12=y
172CONFIG_READLINE=y
173CONFIG_SMARTCARD=y
174CONFIG_WPS=y
175CFLAGS += -I/usr/include/libnl3</literal>
176EOF</userinput></screen>
177
178 <para>
179 If you wish to use <application>WPA Supplicant</application> with
180 <xref linkend="NetworkManager"/>, make sure that you have installed
181 <xref linkend="dbus"/> and <xref linkend="libxml2"/>, then add the
182 following options to the <application>WPA Supplicant</application>
183 build configuration file by running the following command:
184 </para>
185
186<screen><userinput>cat &gt;&gt; wpa_supplicant/.config &lt;&lt; "EOF"
187<literal>CONFIG_CTRL_IFACE_DBUS=y
188CONFIG_CTRL_IFACE_DBUS_NEW=y
189CONFIG_CTRL_IFACE_DBUS_INTRO=y</literal>
190EOF</userinput></screen>
191
192 <para>
193 Install <application>WPA Supplicant</application> by running the
194 following commands:
195 </para>
196
197<screen><userinput>cd wpa_supplicant &amp;&amp;
198make BINDIR=/sbin LIBDIR=/lib</userinput></screen>
199
200 <para>
201 If you have installed <xref linkend="qt5"/> and wish to build
202 the <application>WPA Supplicant</application> GUI program, run
203 the following commands:
204 </para>
205
206 <note><para>The following directory name is labelled qt4, but
207 is compatible with <xref linkend="qt5"/>.</para></note>
208
209<screen><userinput>pushd wpa_gui-qt4 &amp;&amp;
210qmake wpa_gui.pro &amp;&amp;
211make &amp;&amp;
212popd</userinput></screen>
213
214 <para>
215 This package does not come with a test suite.
216 </para>
217
218 <para>
219 Now, as the <systemitem class="username">root</systemitem> user:
220 </para>
221
222<screen role="root"><userinput>install -v -m755 wpa_{cli,passphrase,supplicant} /sbin/ &amp;&amp;
223install -v -m644 doc/docbook/wpa_supplicant.conf.5 /usr/share/man/man5/ &amp;&amp;
224install -v -m644 doc/docbook/wpa_{cli,passphrase,supplicant}.8 /usr/share/man/man8/</userinput></screen>
225
226 <para revision="systemd">
227 Install the <application>systemd</application> support files by
228 running the following command as the <systemitem
229 class="username">root</systemitem> user:
230 </para>
231
232<screen role="root" revision="systemd"><userinput>install -v -m644 systemd/*.service /lib/systemd/system/</userinput></screen>
233
234 <para>
235 If you have built <application>WPA Supplicant</application> with
236 <application>D-Bus</application> support, you will need to install
237 <application>D-Bus</application> configuration files. Install them
238 by running the following commands as the
239 <systemitem class="username">root</systemitem> user:
240 </para>
241
242<screen role="root"><userinput>install -v -m644 dbus/fi.{epitest.hostap.WPASupplicant,w1.wpa_supplicant1}.service \
243 /usr/share/dbus-1/system-services/ &amp;&amp;
244install -v -d -m755 /etc/dbus-1/system.d &amp;&amp;
245install -v -m644 dbus/dbus-wpa_supplicant.conf \
246 /etc/dbus-1/system.d/wpa_supplicant.conf</userinput></screen>
247
248 <para revision="systemd">
249 Additionally, enable the <filename>wpa_supplicant.service</filename>
250 so that <application>systemd</application> can properly activate the
251 <application>D-Bus</application> service. Note that the
252 per-connection service and the D-Bus service cannot be enabled
253 at the same time. Run the following command as the
254 <systemitem class="username">root</systemitem> user:
255 </para>
256
257<screen role="root" revision="systemd"><userinput>systemctl enable wpa_supplicant</userinput></screen>
258
259 <para>
260 If you have built the <application>WPA Supplicant</application> GUI
261 program, install it by running the following commands as the
262 <systemitem class="username">root</systemitem> user:
263 </para>
264
265<screen role="root"><userinput>install -v -m755 wpa_gui-qt4/wpa_gui /usr/bin/ &amp;&amp;
266install -v -m644 doc/docbook/wpa_gui.8 /usr/share/man/man8/ &amp;&amp;
267install -v -m644 wpa_gui-qt4/wpa_gui.desktop /usr/share/applications/ &amp;&amp;
268install -v -m644 wpa_gui-qt4/icons/wpa_gui.svg /usr/share/pixmaps/</userinput></screen>
269
270 <note>
271 <para>
272 You will need to restart the system <application>D-Bus</application> daemon
273 before you can use the <application>WPA Supplicant</application>
274 <application>D-Bus</application> interface.
275 </para>
276 </note>
277
278 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
279 href="../../xincludes/update-desktop-database.xml"/>
280
281 </sect2>
282
283 <sect2 role="configuration">
284 <title>Configuring wpa_supplicant</title>
285
286 <sect3 id="wpa_supplicant-config">
287 <title>Config File</title>
288
289 <para revision="sysv">
290 <filename>/etc/sysconfig/wpa_supplicant-*.conf</filename>
291 </para>
292
293 <para revision="systemd">
294 <filename>/etc/wpa_supplicant/wpa_supplicant-*.conf</filename>
295 </para>
296
297 <indexterm zone="wpa_supplicant wpa_supplicant-config" revision="sysv">
298 <primary
299 sortas="e-etc-sysconfig-wpa_supplicant-star.conf">/etc/sysconfig/wpa_supplicant-*.conf</primary>
300 </indexterm>
301
302 <indexterm zone="wpa_supplicant wpa_supplicant-config" revision="systemd">
303 <primary
304 sortas="e-etc-wpa_supplicant-wpa_supplicant-star.conf">/etc/wpa_supplicant/wpa_supplicant-*.conf</primary>
305 </indexterm>
306
307 </sect3>
308
309 <sect3>
310 <title>Configuration Information</title>
311
312 <para>
313 To connect to an access point that uses a password, you need to put
314 the pre-shared key in
315 <phrase revision="sysv"><filename>
316 /etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename>.</phrase>
317 <phrase revision="systemd"><filename>
318 /etc/wpa_supplicant/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename>.</phrase>
319 SSID is the string that the access point/router transmits to
320 identify itself. Run the following command as the
321 <systemitem class="username">root</systemitem> user:
322 </para>
323
324<screen role="root" revision="sysv"><userinput>wpa_passphrase <replaceable>SSID</replaceable> <replaceable>SECRET_PASSWORD</replaceable> &gt; /etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</userinput></screen>
325
326<screen role="root" revision="systemd"><userinput>install -v -dm755 /etc/wpa_supplicant &amp;&amp;
327wpa_passphrase <replaceable>SSID</replaceable> <replaceable>SECRET_PASSWORD</replaceable> &gt; /etc/wpa_supplicant/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</userinput></screen>
328
329 <para>
330 <phrase revision="sysv"><filename>/etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf </filename></phrase>
331 <phrase revision="systemd"><filename>/etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename></phrase>
332 can hold the details of several access points. When
333 <command>wpa_supplicant</command> is started, it will scan for the
334 SSIDs it can see and choose the appropriate password to connect.
335 </para>
336
337 <para>
338 If you want to connect to an access point that isn't password
339 protected, put an entry like this in
340 <phrase revision="sysv" ><filename>/etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename></phrase>
341 <phrase revision="systemd"><filename>/etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename></phrase>.
342 Replace "Some-SSID" with the SSID of the access point/router.
343 </para>
344
345<screen>network={
346 ssid="<replaceable>Some-SSID</replaceable>"
347 key_mgmt=NONE
348}</screen>
349
350 <para>Connecting to a new access point that is not in the configuration
351 file can be accomplished manually via the command line or GUI, but it
352 must be done via a privileged user. To do that, add the following to the
353 configuration file:</para>
354
355<screen>ctrl_interface=DIR=/run/wpa_supplicant GROUP=&lt;privileged group&gt;
356update_config=1</screen>
357
358 <para>
359 Replace the &lt;privileged group&gt; above with a system group where
360 members have the ability to connect to a wireless access point.
361 </para>
362
363 <para>
364 There are many options that you could use to tweak how you connect
365 to each access point. They are described in some detail in the
366 <filename>wpa_supplicant/wpa_supplicant.conf</filename> file in the
367 source tree.
368 </para>
369
370 </sect3>
371
372 <sect3>
373 <title>Connecting to an Access Point</title>
374
375 <para id="wpa-service" revision="sysv">
376 If you want to configure network interfaces at boot using
377 <command>wpa_supplicant</command>, you need to install the
378 <filename>/lib/services/wpa</filename> script
379 included in <xref linkend="bootscripts"/> package:
380 </para>
381
382<screen role="root" revision="sysv"><userinput>make install-service-wpa</userinput></screen>
383
384 <indexterm zone="wpa_supplicant wpa-service" revision="sysv">
385 <primary sortas="f-wpa">wpa</primary>
386 </indexterm>
387
388 <para revision="sysv">
389 If your router/access point uses DHCP to allocate IP addresses, you
390 can install <xref linkend="dhcp"/> client and use it to
391 automatically obtain network addresses. Create the
392 <filename>/etc/sysconfig/ifconfig-<replaceable>wifi0</replaceable>
393 </filename> by running the following command as the
394 <systemitem class="username">root</systemitem> user:
395 </para>
396
397<screen role="root" revision="sysv"><userinput>cat &gt; /etc/sysconfig/ifconfig.<replaceable>wifi0</replaceable> &lt;&lt; "EOF"
398<literal>ONBOOT="yes"
399IFACE="<replaceable>wlan0</replaceable>"
400SERVICE="wpa"
401
402# Additional arguments to wpa_supplicant
403WPA_ARGS=""
404
405WPA_SERVICE="dhclient"
406DHCP_START=""
407DHCP_STOP=""
408
409# Set PRINTIP="yes" to have the script print
410# the DHCP assigned IP address
411PRINTIP="no"
412
413# Set PRINTALL="yes" to print the DHCP assigned values for
414# IP, SM, DG, and 1st NS. This requires PRINTIP="yes".
415PRINTALL="no"</literal>
416EOF</userinput></screen>
417
418 <para revision="sysv">
419 If you prefer <xref linkend="dhcpcd"/> instead of
420 <xref linkend="dhcp"/> client, then create the
421 <filename>/etc/sysconfig/ifconfig-<replaceable>wifi0</replaceable>
422 </filename> by running the following command as the
423 <systemitem class="username">root</systemitem> user:
424 </para>
425
426<screen role="root" revision="sysv"><userinput>cat &gt; /etc/sysconfig/ifconfig.<replaceable>wifi0</replaceable> &lt;&lt; "EOF"
427<literal>ONBOOT="yes"
428IFACE="<replaceable>wlan0</replaceable>"
429SERVICE="wpa"
430
431# Additional arguments to wpa_supplicant
432WPA_ARGS=""
433
434WPA_SERVICE="dhcpcd"
435DHCP_START="-b -q <replaceable>&lt;insert appropriate start options here&gt;</replaceable>"
436DHCP_STOP="-k <replaceable>&lt;insert additional stop options here&gt;</replaceable>"</literal>
437EOF</userinput></screen>
438
439 <para revision="sysv">
440 Alternatively, if you use static addresses on your local network,
441 then create the
442 <filename>/etc/sysconfig/ifconfig-<replaceable>wifi0</replaceable>
443 </filename> by running the following command as the
444 <systemitem class="username">root</systemitem> user:
445 </para>
446
447<screen role="root" revision="sysv"><userinput>cat &gt; /etc/sysconfig/ifconfig.<replaceable>wifi0</replaceable> &lt;&lt; "EOF"
448<literal>ONBOOT="yes"
449IFACE="<replaceable>wlan0</replaceable>"
450SERVICE="wpa"
451
452# Additional arguments to wpa_supplicant
453WPA_ARGS=""
454
455WPA_SERVICE="ipv4-static"
456IP="192.168.1.1"
457GATEWAY="192.168.1.2"
458PREFIX="24"
459BROADCAST="192.168.1.255"</literal>
460EOF</userinput></screen>
461
462 <para revision="systemd">
463 There are 3 types of <application>systemd</application> units
464 that were installed:
465 </para>
466
467 <itemizedlist spacing="compact" revision="systemd">
468 <listitem>
469 <para>
470 wpa_supplicant@.service
471 </para>
472 </listitem>
473 <listitem>
474 <para>
475 wpa_supplicant-nl80211@.service
476 </para>
477 </listitem>
478 <listitem>
479 <para>
480 wpa_supplicant-wired@.service
481 </para>
482 </listitem>
483 </itemizedlist>
484
485 <para revision="systemd">
486 The only difference between 3 of them is what driver
487 is used for connecting (-D option). The first one uses
488 the default driver, the second one uses the nl80211
489 driver and the third one uses the wired driver.
490 </para>
491
492 <para>
493 You can connect to the wireless access point by
494 running the following command as the
495 <systemitem class="username">root</systemitem> user:
496 </para>
497
498<screen role="root" revision="sysv"><userinput>ifup <replaceable>wifi0</replaceable></userinput></screen>
499
500 <para revision="sysv">
501 Replace <replaceable>wlan0</replaceable> with the correct
502 wireless interface and <replaceable>wifi0</replaceable>
503 with desired name for the configuration file. Please note
504 that <filename>wpa_supplicant-*.conf</filename> and
505 <filename>ifconfig.*</filename> configuration files need
506 to have identical names, ie both contain
507 <replaceable>wifi0</replaceable> in their name.
508 </para>
509
510<screen role="root" revision="systemd"><userinput>systemctl start wpa_supplicant@<replaceable>wlan0</replaceable></userinput></screen>
511
512 <para revision="systemd">
513 To connect to the wireless access point at
514 boot, simply enable the appropriate
515 <command>wpa_supplicant</command> service
516 by running the following command as the
517 <systemitem class="username">root</systemitem> user:
518 </para>
519
520<screen role="root" revision="systemd"><userinput>systemctl enable wpa_supplicant@<replaceable>wlan0</replaceable></userinput></screen>
521
522 <para revision="systemd">
523 Depending on your setup, you can replace the
524 <filename>wpa_supplicant@.service</filename>
525 with any other listed above.
526 </para>
527
528 <para revision="systemd">
529 To assign a network address to your wireless interface, consult the
530 <ulink url="&lfs-root;/chapter07/network.html">General Network Configuration</ulink>
531 page in LFS.
532 </para>
533
534 </sect3>
535
536 </sect2>
537
538 <sect2 role="content">
539 <title>Contents</title>
540
541 <segmentedlist>
542 <segtitle>Installed Programs</segtitle>
543 <segtitle>Installed Libraries</segtitle>
544 <segtitle>Installed Directories</segtitle>
545
546 <seglistitem>
547 <seg>
548 wpa_gui, wpa_supplicant, wpa_passphrase and wpa_cli
549 </seg>
550 <seg>
551 None
552 </seg>
553 <seg>
554 None
555 </seg>
556 </seglistitem>
557 </segmentedlist>
558
559 <variablelist>
560 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
561 <?dbfo list-presentation="list"?>
562 <?dbhtml list-presentation="table"?>
563
564 <varlistentry id="wpa_gui">
565 <term><command>wpa_gui</command></term>
566 <listitem>
567 <para>
568 is a graphical frontend program for interacting with
569 <application>wpa_supplicant</application>.
570 </para>
571 <indexterm zone="wpa_supplicant wpa_gui">
572 <primary sortas="b-wpa_gui">wpa_gui</primary>
573 </indexterm>
574 </listitem>
575 </varlistentry>
576
577 <varlistentry id="wpa_supplicant-prog">
578 <term><command>wpa_supplicant</command></term>
579 <listitem>
580 <para>
581 is a daemon that can connect to a password protected wireless
582 access point.
583 </para>
584 <indexterm zone="wpa_supplicant wpa_supplicant-prog">
585 <primary sortas="b-wpa_supplicant">wpa_supplicant</primary>
586 </indexterm>
587 </listitem>
588 </varlistentry>
589
590 <varlistentry id="wpa_passphrase">
591 <term><command>wpa_passphrase</command></term>
592 <listitem>
593 <para>
594 takes an SSID and a password and generates a simple
595 configuration that <command>wpa_supplicant</command> can
596 understand.
597 </para>
598 <indexterm zone="wpa_supplicant wpa_passphrase">
599 <primary sortas="b-wpa_passphrase">wpa_passphrase</primary>
600 </indexterm>
601 </listitem>
602 </varlistentry>
603
604 <varlistentry id="wpa_cli">
605 <term><command>wpa_cli</command></term>
606 <listitem>
607 <para>
608 is a command line interface used to control a running
609 <command>wpa_supplicant</command> daemon.
610 </para>
611 <indexterm zone="wpa_supplicant wpa_cli">
612 <primary sortas="b-wpa_cli">wpa_cli</primary>
613 </indexterm>
614 </listitem>
615 </varlistentry>
616
617 </variablelist>
618
619 </sect2>
620
621</sect1>
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