| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY wpa_supplicant-download-http
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| 8 | "https://w1.fi/releases/wpa_supplicant-&wpa_supplicant-version;.tar.gz">
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| 9 | <!ENTITY wpa_supplicant-download-ftp " ">
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| 10 | <!ENTITY wpa_supplicant-md5sum "d26797fcb002898d4ee989179346e1cc">
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| 11 | <!ENTITY wpa_supplicant-size "3.4 MB">
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| 12 | <!ENTITY wpa_supplicant-buildsize "37 MB">
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| 13 | <!ENTITY wpa_supplicant-time "0.5 SBU (with optional gui)">
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| 14 | ]>
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| 15 |
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| 16 | <sect1 id="wpa_supplicant" xreflabel="wpa_supplicant-&wpa_supplicant-version;">
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| 17 | <?dbhtml filename="wpa_supplicant.html"?>
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| 18 |
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| 19 |
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| 20 | <title>wpa_supplicant-&wpa_supplicant-version;</title>
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| 21 |
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| 22 | <indexterm zone="wpa_supplicant">
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| 23 | <primary sortas="a-wpa_supplicant">wpa_supplicant</primary>
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| 24 | </indexterm>
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| 25 |
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| 26 | <sect2 role="package">
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| 27 | <title>Introduction to WPA Supplicant</title>
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| 28 |
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| 29 | <para>
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| 30 | <application>WPA Supplicant</application> is a Wi-Fi Protected Access
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| 31 | (WPA) client and IEEE 802.1X supplicant. It implements WPA key negotiation
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| 32 | with a WPA Authenticator and Extensible Authentication Protocol (EAP)
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| 33 | authentication with an Authentication Server. In addition, it controls the
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| 34 | roaming and IEEE 802.11 authentication/association of the wireless LAN
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| 35 | driver. This is useful for connecting to a password protected wireless
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| 36 | access point.
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| 37 | </para>
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| 38 |
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| 39 | &lfs113_checked;
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| 40 |
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| 41 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 42 | <itemizedlist spacing="compact">
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| 43 | <listitem>
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| 44 | <para>
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| 45 | Download (HTTP): <ulink url="&wpa_supplicant-download-http;"/>
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| 46 | </para>
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| 47 | </listitem>
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| 48 | <listitem>
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| 49 | <para>
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| 50 | Download (FTP): <ulink url="&wpa_supplicant-download-ftp;"/>
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| 51 | </para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>
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| 55 | Download MD5 sum: &wpa_supplicant-md5sum;
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| 56 | </para>
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| 57 | </listitem>
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| 58 | <listitem>
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| 59 | <para>
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| 60 | Download size: &wpa_supplicant-size;
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| 61 | </para>
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| 62 | </listitem>
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| 63 | <listitem>
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| 64 | <para>
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| 65 | Estimated disk space required: &wpa_supplicant-buildsize;
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| 66 | </para>
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| 67 | </listitem>
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| 68 | <listitem>
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| 69 | <para>
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| 70 | Estimated build time: &wpa_supplicant-time;
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| 71 | </para>
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| 72 | </listitem>
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| 73 | </itemizedlist>
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| 74 |
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| 75 | <bridgehead renderas="sect3">WPA Supplicant Dependencies</bridgehead>
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| 76 |
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| 77 | <bridgehead renderas="sect4">Required (Runtime)</bridgehead>
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| 78 | <para role="nodump">
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| 79 | <xref linkend="wireless-kernel"/>
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| 80 | </para>
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| 81 |
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| 82 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 83 | <para role="recommended">
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| 84 | <xref linkend="desktop-file-utils"/> (for running
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| 85 | <command>update-desktop-database</command>) and
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| 86 | <xref linkend="libnl"/>
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| 87 | </para>
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| 88 |
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| 89 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 90 | <para role="optional">
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| 91 | <phrase revision="sysv"><xref linkend="dbus"/>,</phrase>
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| 92 | <xref linkend="libxml2"/>, and
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| 93 | <xref linkend="qt5"/>
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| 94 | </para>
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| 95 |
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| 96 | <para condition="html" role="usernotes">User Notes:
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| 97 | <ulink url="&blfs-wiki;/wpa_supplicant"/>
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| 98 | </para>
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| 99 |
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| 100 | </sect2>
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| 101 |
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| 102 | <sect2 role="kernel" id="wpa_supplicant-kernel">
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| 103 | <title>Kernel Configuration</title>
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| 104 |
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| 105 | <para>
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| 106 | To use <application>wpa_supplicant</application>, the kernel must have
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| 107 | the appropriate drivers and other support available. Read
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| 108 | <xref linkend='wireless-kernel'/> for details.
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| 109 | </para>
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| 110 |
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| 111 | <indexterm zone="wpa_supplicant wpa_supplicant-kernel">
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| 112 | <primary sortas="d-wpa_supplicant">wpa_supplicant</primary>
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| 113 | </indexterm>
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| 114 | </sect2>
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| 115 |
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| 116 | <sect2 role="installation">
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| 117 | <title>Installation of WPA Supplicant</title>
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| 118 |
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| 119 | <para>
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| 120 | First you will need to create an initial configuration file for the
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| 121 | build process. You can read <filename>wpa_supplicant/README</filename>
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| 122 | and <filename>wpa_supplicant/defconfig</filename> for the explanation
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| 123 | of the following options as well as other options that can be used.
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| 124 | Create a build configuration file that should work for standard WiFi
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| 125 | setups by running the following command:
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| 126 | </para>
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| 127 |
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| 128 | <screen><userinput>cat > wpa_supplicant/.config << "EOF"
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| 129 | <literal>CONFIG_BACKEND=file
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| 130 | CONFIG_CTRL_IFACE=y
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| 131 | CONFIG_DEBUG_FILE=y
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| 132 | CONFIG_DEBUG_SYSLOG=y
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| 133 | CONFIG_DEBUG_SYSLOG_FACILITY=LOG_DAEMON
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| 134 | CONFIG_DRIVER_NL80211=y
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| 135 | CONFIG_DRIVER_WEXT=y
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| 136 | CONFIG_DRIVER_WIRED=y
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| 137 | CONFIG_EAP_GTC=y
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| 138 | CONFIG_EAP_LEAP=y
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| 139 | CONFIG_EAP_MD5=y
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| 140 | CONFIG_EAP_MSCHAPV2=y
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| 141 | CONFIG_EAP_OTP=y
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| 142 | CONFIG_EAP_PEAP=y
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| 143 | CONFIG_EAP_TLS=y
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| 144 | CONFIG_EAP_TTLS=y
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| 145 | CONFIG_IEEE8021X_EAPOL=y
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| 146 | CONFIG_IPV6=y
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| 147 | CONFIG_LIBNL32=y
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| 148 | CONFIG_PEERKEY=y
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| 149 | CONFIG_PKCS12=y
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| 150 | CONFIG_READLINE=y
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| 151 | CONFIG_SMARTCARD=y
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| 152 | CONFIG_WPS=y
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| 153 | CFLAGS += -I/usr/include/libnl3</literal>
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| 154 | EOF</userinput></screen>
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| 155 |
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| 156 | <para>
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| 157 | If you wish to use <application>WPA Supplicant</application> with
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| 158 | <xref linkend="NetworkManager"/>, make sure that you have installed
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| 159 | <xref linkend="dbus"/> and <xref linkend="libxml2"/>, then add the
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| 160 | following options to the <application>WPA Supplicant</application>
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| 161 | build configuration file by running the following command:
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| 162 | </para>
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| 163 |
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| 164 | <screen><userinput>cat >> wpa_supplicant/.config << "EOF"
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| 165 | <literal>CONFIG_CTRL_IFACE_DBUS=y
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| 166 | CONFIG_CTRL_IFACE_DBUS_NEW=y
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| 167 | CONFIG_CTRL_IFACE_DBUS_INTRO=y</literal>
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| 168 | EOF</userinput></screen>
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| 169 |
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| 170 | <screen><userinput>cd wpa_supplicant &&
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| 171 | make BINDIR=/usr/sbin LIBDIR=/usr/lib</userinput></screen>
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| 172 |
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| 173 | <para>
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| 174 | If you have installed <xref linkend="qt5"/> and wish to build
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| 175 | the <application>WPA Supplicant</application> GUI program, run
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| 176 | the following commands:
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| 177 | </para>
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| 178 |
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| 179 | <note>
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| 180 | <para>
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| 181 | The following directory name is labelled qt4, but
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| 182 | is compatible with <xref linkend="qt5"/>.
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| 183 | </para>
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| 184 | </note>
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| 185 |
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| 186 | <screen><userinput>pushd wpa_gui-qt4 &&
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| 187 | qmake wpa_gui.pro &&
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| 188 | make &&
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| 189 | popd</userinput></screen>
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| 190 |
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| 191 | <para>
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| 192 | This package does not come with a test suite.
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| 193 | </para>
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| 194 |
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| 195 | <para>
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| 196 | Now, as the <systemitem class="username">root</systemitem> user:
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| 197 | </para>
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| 198 |
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| 199 | <screen role="root"><userinput>install -v -m755 wpa_{cli,passphrase,supplicant} /usr/sbin/ &&
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| 200 | install -v -m644 doc/docbook/wpa_supplicant.conf.5 /usr/share/man/man5/ &&
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| 201 | install -v -m644 doc/docbook/wpa_{cli,passphrase,supplicant}.8 /usr/share/man/man8/</userinput></screen>
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| 202 |
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| 203 | <para revision="systemd">
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| 204 | Install the <application>systemd</application> support files by
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| 205 | running the following command as the <systemitem
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| 206 | class="username">root</systemitem> user:
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| 207 | </para>
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| 208 |
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| 209 | <screen role="root" revision="systemd"><userinput>install -v -m644 systemd/*.service /usr/lib/systemd/system/</userinput></screen>
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| 210 |
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| 211 | <para>
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| 212 | If you have built <application>WPA Supplicant</application> with
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| 213 | <application>D-Bus</application> support, you will need to install
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| 214 | <application>D-Bus</application> configuration files. Install them
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| 215 | by running the following commands as the
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| 216 | <systemitem class="username">root</systemitem> user:
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| 217 | </para>
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| 218 |
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| 219 | <screen role="root"><userinput>install -v -m644 dbus/fi.w1.wpa_supplicant1.service \
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| 220 | /usr/share/dbus-1/system-services/ &&
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| 221 | install -v -d -m755 /etc/dbus-1/system.d &&
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| 222 | install -v -m644 dbus/dbus-wpa_supplicant.conf \
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| 223 | /etc/dbus-1/system.d/wpa_supplicant.conf</userinput></screen>
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| 224 |
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| 225 | <para revision="systemd">
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| 226 | Additionally, enable the <filename>wpa_supplicant.service</filename>
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| 227 | so that <application>systemd</application> can properly activate the
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| 228 | <application>D-Bus</application> service. Note that the
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| 229 | per-connection service and the D-Bus service cannot be enabled
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| 230 | at the same time. Run the following command as the
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| 231 | <systemitem class="username">root</systemitem> user:
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| 232 | </para>
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| 233 |
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| 234 | <screen role="root" revision="systemd"><userinput>systemctl enable wpa_supplicant</userinput></screen>
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| 235 |
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| 236 | <para>
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| 237 | If you have built the <application>WPA Supplicant</application> GUI
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| 238 | program, install it by running the following commands as the
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| 239 | <systemitem class="username">root</systemitem> user:
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| 240 | </para>
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| 241 |
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| 242 | <screen role="root"><userinput>install -v -m755 wpa_gui-qt4/wpa_gui /usr/bin/ &&
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| 243 | install -v -m644 doc/docbook/wpa_gui.8 /usr/share/man/man8/ &&
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| 244 | install -v -m644 wpa_gui-qt4/wpa_gui.desktop /usr/share/applications/ &&
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| 245 | install -v -m644 wpa_gui-qt4/icons/wpa_gui.svg /usr/share/pixmaps/</userinput></screen>
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| 246 |
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| 247 | <note>
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| 248 | <para>
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| 249 | You will need to restart the system <application>D-Bus</application> daemon
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| 250 | before you can use the <application>WPA Supplicant</application>
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| 251 | <application>D-Bus</application> interface.
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| 252 | </para>
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| 253 | </note>
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| 254 |
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| 255 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 256 | href="../../xincludes/update-desktop-database.xml"/>
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| 257 |
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| 258 | </sect2>
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| 259 |
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| 260 | <sect2 role="configuration">
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| 261 | <title>Configuring wpa_supplicant</title>
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| 262 |
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| 263 | <sect3 id="wpa_supplicant-config">
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| 264 | <title>Config File</title>
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| 265 |
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| 266 | <para revision="sysv">
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| 267 | <filename>/etc/sysconfig/wpa_supplicant-*.conf</filename>
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| 268 | </para>
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| 269 |
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| 270 | <para revision="systemd">
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| 271 | <filename>/etc/wpa_supplicant/wpa_supplicant-*.conf</filename>
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| 272 | </para>
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| 273 |
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| 274 | <indexterm zone="wpa_supplicant wpa_supplicant-config" revision="sysv">
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| 275 | <primary
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| 276 | sortas="e-etc-sysconfig-wpa_supplicant-star.conf">/etc/sysconfig/wpa_supplicant-*.conf</primary>
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| 277 | </indexterm>
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| 278 |
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| 279 | <indexterm zone="wpa_supplicant wpa_supplicant-config" revision="systemd">
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| 280 | <primary
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| 281 | sortas="e-etc-wpa_supplicant-wpa_supplicant-star.conf">/etc/wpa_supplicant/wpa_supplicant-*.conf</primary>
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| 282 | </indexterm>
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| 283 |
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| 284 | </sect3>
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| 285 |
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| 286 | <sect3>
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| 287 | <title>Configuration Information</title>
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| 288 |
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| 289 | <para>
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| 290 | To connect to an access point that uses a password, you need to put
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| 291 | the pre-shared key in
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| 292 | <phrase revision="sysv">
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| 293 | <filename>
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| 294 | /etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename>.
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| 295 | </phrase>
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| 296 | <phrase revision="systemd">
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| 297 | <filename>
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| 298 | /etc/wpa_supplicant/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename>.
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| 299 | </phrase>
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| 300 | SSID is the string that the access point/router transmits to
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| 301 | identify itself. Run the following command as the
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| 302 | <systemitem class="username">root</systemitem> user:
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| 303 | </para>
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| 304 |
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| 305 | <screen role="nodump" revision="sysv"><userinput>wpa_passphrase <replaceable>SSID</replaceable> <replaceable>SECRET_PASSWORD</replaceable> > /etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</userinput></screen>
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| 306 |
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| 307 | <screen role="nodump" revision="systemd"><userinput>install -v -dm755 /etc/wpa_supplicant &&
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| 308 | wpa_passphrase <replaceable>SSID</replaceable> <replaceable>SECRET_PASSWORD</replaceable> > /etc/wpa_supplicant/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</userinput></screen>
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| 309 |
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| 310 | <para>
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| 311 | <phrase revision="sysv">
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| 312 | <filename>
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| 313 | /etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf
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| 314 | </filename>
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| 315 | </phrase>
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| 316 | <phrase revision="systemd">
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| 317 | <filename>
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| 318 | /etc/wpa_supplicant/wpa_supplicant-<replaceable>wifi0</replaceable>.conf
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| 319 | </filename>
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| 320 | </phrase>
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| 321 | can hold the details of several access points. When
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| 322 | <command>wpa_supplicant</command> is started, it will scan for the
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| 323 | SSIDs it can see and choose the appropriate password to connect.
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| 324 | </para>
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| 325 |
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| 326 | <para>
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| 327 | If you want to connect to an access point that isn't password
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| 328 | protected, put an entry like this in
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| 329 | <phrase revision="sysv">
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| 330 | <filename>
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| 331 | /etc/sysconfig/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename>.
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| 332 | </phrase>
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| 333 | <phrase revision="systemd">
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| 334 | <filename>
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| 335 | /etc/wpa_supplicant/wpa_supplicant-<replaceable>wifi0</replaceable>.conf</filename>.
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| 336 | </phrase>
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| 337 | Replace "Some-SSID" with the SSID of the access point/router.
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| 338 | </para>
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| 339 |
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| 340 | <screen>network={
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| 341 | ssid="<replaceable>Some-SSID</replaceable>"
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| 342 | key_mgmt=NONE
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| 343 | }</screen>
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| 344 |
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| 345 | <para>
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| 346 | Connecting to a new access point that is not in the configuration
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| 347 | file can be accomplished manually via the command line or GUI, but it
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| 348 | must be done via a privileged user. To do that, add the following to
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| 349 | the configuration file:
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| 350 | </para>
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| 351 |
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| 352 | <screen>ctrl_interface=DIR=/run/wpa_supplicant GROUP=<privileged group>
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| 353 | update_config=1</screen>
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| 354 |
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| 355 | <para>
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| 356 | Replace the <privileged group> above with a system group where
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| 357 | members have the ability to connect to a wireless access point.
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| 358 | </para>
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| 359 |
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| 360 | <para>
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| 361 | There are many options that you could use to tweak how you connect
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| 362 | to each access point. They are described in some detail in the
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| 363 | <filename>wpa_supplicant/wpa_supplicant.conf</filename> file in the
|
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| 364 | source tree.
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| 365 | </para>
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| 366 |
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| 367 | </sect3>
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| 368 |
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| 369 | <sect3>
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| 370 | <title>Connecting to an Access Point</title>
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| 371 |
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| 372 | <para id="wpa-service" revision="sysv">
|
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| 373 | If you want to configure network interfaces at boot using
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| 374 | <command>wpa_supplicant</command>, you need to install the
|
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| 375 | <filename>/lib/services/wpa</filename> script
|
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| 376 | included in <xref linkend="bootscripts"/> package:
|
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| 377 | </para>
|
|---|
| 378 |
|
|---|
| 379 | <screen role="root" revision="sysv"><userinput>make install-service-wpa</userinput></screen>
|
|---|
| 380 |
|
|---|
| 381 | <indexterm zone="wpa_supplicant wpa-service" revision="sysv">
|
|---|
| 382 | <primary sortas="f-wpa">wpa</primary>
|
|---|
| 383 | </indexterm>
|
|---|
| 384 |
|
|---|
| 385 | <para revision="sysv">
|
|---|
| 386 | If your router/access point uses DHCP to allocate IP addresses, you
|
|---|
| 387 | can install <xref linkend="dhcp"/> client and use it to
|
|---|
| 388 | automatically obtain network addresses. Create the
|
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| 389 | <filename>/etc/sysconfig/ifconfig-<replaceable>wifi0</replaceable>
|
|---|
| 390 | </filename> by running the following command as the
|
|---|
| 391 | <systemitem class="username">root</systemitem> user:
|
|---|
| 392 | </para>
|
|---|
| 393 |
|
|---|
| 394 | <screen role="root" revision="sysv"><userinput>cat > /etc/sysconfig/ifconfig.<replaceable>wifi0</replaceable> << "EOF"
|
|---|
| 395 | <literal>ONBOOT="yes"
|
|---|
| 396 | IFACE="<replaceable>wlan0</replaceable>"
|
|---|
| 397 | SERVICE="wpa"
|
|---|
| 398 |
|
|---|
| 399 | # Additional arguments to wpa_supplicant
|
|---|
| 400 | WPA_ARGS=""
|
|---|
| 401 |
|
|---|
| 402 | WPA_SERVICE="dhclient"
|
|---|
| 403 | DHCP_START=""
|
|---|
| 404 | DHCP_STOP=""
|
|---|
| 405 |
|
|---|
| 406 | # Set PRINTIP="yes" to have the script print
|
|---|
| 407 | # the DHCP assigned IP address
|
|---|
| 408 | PRINTIP="no"
|
|---|
| 409 |
|
|---|
| 410 | # Set PRINTALL="yes" to print the DHCP assigned values for
|
|---|
| 411 | # IP, SM, DG, and 1st NS. This requires PRINTIP="yes".
|
|---|
| 412 | PRINTALL="no"</literal>
|
|---|
| 413 | EOF</userinput></screen>
|
|---|
| 414 |
|
|---|
| 415 | <para revision="sysv">
|
|---|
| 416 | If you prefer <xref linkend="dhcpcd"/> instead of
|
|---|
| 417 | <xref linkend="dhcp"/> client, then create the
|
|---|
| 418 | <filename>/etc/sysconfig/ifconfig-<replaceable>wifi0</replaceable>
|
|---|
| 419 | </filename> by running the following command as the
|
|---|
| 420 | <systemitem class="username">root</systemitem> user:
|
|---|
| 421 | </para>
|
|---|
| 422 |
|
|---|
| 423 | <screen role="root" revision="sysv"><userinput>cat > /etc/sysconfig/ifconfig.<replaceable>wifi0</replaceable> << "EOF"
|
|---|
| 424 | <literal>ONBOOT="yes"
|
|---|
| 425 | IFACE="<replaceable>wlan0</replaceable>"
|
|---|
| 426 | SERVICE="wpa"
|
|---|
| 427 |
|
|---|
| 428 | # Additional arguments to wpa_supplicant
|
|---|
| 429 | WPA_ARGS=""
|
|---|
| 430 |
|
|---|
| 431 | WPA_SERVICE="dhcpcd"
|
|---|
| 432 | DHCP_START="-b -q <replaceable><insert appropriate start options here></replaceable>"
|
|---|
| 433 | DHCP_STOP="-k <replaceable><insert additional stop options here></replaceable>"</literal>
|
|---|
| 434 | EOF</userinput></screen>
|
|---|
| 435 |
|
|---|
| 436 | <para revision="sysv">
|
|---|
| 437 | Alternatively, if you use static addresses on your local network,
|
|---|
| 438 | then create the
|
|---|
| 439 | <filename>/etc/sysconfig/ifconfig-<replaceable>wifi0</replaceable>
|
|---|
| 440 | </filename> by running the following command as the
|
|---|
| 441 | <systemitem class="username">root</systemitem> user:
|
|---|
| 442 | </para>
|
|---|
| 443 |
|
|---|
| 444 | <screen role="root" revision="sysv"><userinput>cat > /etc/sysconfig/ifconfig.<replaceable>wifi0</replaceable> << "EOF"
|
|---|
| 445 | <literal>ONBOOT="yes"
|
|---|
| 446 | IFACE="<replaceable>wlan0</replaceable>"
|
|---|
| 447 | SERVICE="wpa"
|
|---|
| 448 |
|
|---|
| 449 | # Additional arguments to wpa_supplicant
|
|---|
| 450 | WPA_ARGS=""
|
|---|
| 451 |
|
|---|
| 452 | WPA_SERVICE="ipv4-static"
|
|---|
| 453 | IP="192.168.1.1"
|
|---|
| 454 | GATEWAY="192.168.1.2"
|
|---|
| 455 | PREFIX="24"
|
|---|
| 456 | BROADCAST="192.168.1.255"</literal>
|
|---|
| 457 | EOF</userinput></screen>
|
|---|
| 458 |
|
|---|
| 459 | <para revision="systemd">
|
|---|
| 460 | There are 3 types of <application>systemd</application> units
|
|---|
| 461 | that were installed:
|
|---|
| 462 | </para>
|
|---|
| 463 |
|
|---|
| 464 | <itemizedlist spacing="compact" revision="systemd">
|
|---|
| 465 | <listitem>
|
|---|
| 466 | <para>
|
|---|
| 467 | wpa_supplicant@.service
|
|---|
| 468 | </para>
|
|---|
| 469 | </listitem>
|
|---|
| 470 | <listitem>
|
|---|
| 471 | <para>
|
|---|
| 472 | wpa_supplicant-nl80211@.service
|
|---|
| 473 | </para>
|
|---|
| 474 | </listitem>
|
|---|
| 475 | <listitem>
|
|---|
| 476 | <para>
|
|---|
| 477 | wpa_supplicant-wired@.service
|
|---|
| 478 | </para>
|
|---|
| 479 | </listitem>
|
|---|
| 480 | </itemizedlist>
|
|---|
| 481 |
|
|---|
| 482 | <para revision="systemd">
|
|---|
| 483 | The only difference between 3 of them is what driver
|
|---|
| 484 | is used for connecting (-D option). The first one uses
|
|---|
| 485 | the default driver, the second one uses the nl80211
|
|---|
| 486 | driver and the third one uses the wired driver.
|
|---|
| 487 | </para>
|
|---|
| 488 |
|
|---|
| 489 | <para>
|
|---|
| 490 | You can connect to the wireless access point by
|
|---|
| 491 | running the following command as the
|
|---|
| 492 | <systemitem class="username">root</systemitem> user:
|
|---|
| 493 | </para>
|
|---|
| 494 |
|
|---|
| 495 | <screen role="root" revision="sysv"><userinput>ifup <replaceable>wifi0</replaceable></userinput></screen>
|
|---|
| 496 |
|
|---|
| 497 | <para revision="sysv">
|
|---|
| 498 | Replace <replaceable>wlan0</replaceable> with the correct
|
|---|
| 499 | wireless interface and <replaceable>wifi0</replaceable>
|
|---|
| 500 | with desired name for the configuration file. Please note
|
|---|
| 501 | that <filename>wpa_supplicant-*.conf</filename> and
|
|---|
| 502 | <filename>ifconfig.*</filename> configuration files need
|
|---|
| 503 | to have identical names, ie both contain
|
|---|
| 504 | <replaceable>wifi0</replaceable> in their name.
|
|---|
| 505 | </para>
|
|---|
| 506 |
|
|---|
| 507 | <screen role="root" revision="systemd"><userinput>systemctl start wpa_supplicant@<replaceable>wlan0</replaceable></userinput></screen>
|
|---|
| 508 |
|
|---|
| 509 | <para revision="systemd">
|
|---|
| 510 | To connect to the wireless access point at
|
|---|
| 511 | boot, simply enable the appropriate
|
|---|
| 512 | <command>wpa_supplicant</command> service
|
|---|
| 513 | by running the following command as the
|
|---|
| 514 | <systemitem class="username">root</systemitem> user:
|
|---|
| 515 | </para>
|
|---|
| 516 |
|
|---|
| 517 | <screen role="root" revision="systemd"><userinput>systemctl enable wpa_supplicant@<replaceable>wlan0</replaceable></userinput></screen>
|
|---|
| 518 |
|
|---|
| 519 | <para revision="systemd">
|
|---|
| 520 | Depending on your setup, you can replace the
|
|---|
| 521 | <filename>wpa_supplicant@.service</filename>
|
|---|
| 522 | with any other listed above.
|
|---|
| 523 | </para>
|
|---|
| 524 |
|
|---|
| 525 | <para revision="systemd">
|
|---|
| 526 | To assign a network address to your wireless interface, consult the
|
|---|
| 527 | <ulink url="&lfs-root;/chapter09/network.html">General Network Configuration</ulink>
|
|---|
| 528 | page in LFS.
|
|---|
| 529 | </para>
|
|---|
| 530 |
|
|---|
| 531 | </sect3>
|
|---|
| 532 |
|
|---|
| 533 | </sect2>
|
|---|
| 534 |
|
|---|
| 535 | <sect2 role="content">
|
|---|
| 536 | <title>Contents</title>
|
|---|
| 537 |
|
|---|
| 538 | <segmentedlist>
|
|---|
| 539 | <segtitle>Installed Programs</segtitle>
|
|---|
| 540 | <segtitle>Installed Libraries</segtitle>
|
|---|
| 541 | <segtitle>Installed Directories</segtitle>
|
|---|
| 542 |
|
|---|
| 543 | <seglistitem>
|
|---|
| 544 | <seg>
|
|---|
| 545 | wpa_gui, wpa_supplicant, wpa_passphrase and wpa_cli
|
|---|
| 546 | </seg>
|
|---|
| 547 | <seg>
|
|---|
| 548 | None
|
|---|
| 549 | </seg>
|
|---|
| 550 | <seg>
|
|---|
| 551 | None
|
|---|
| 552 | </seg>
|
|---|
| 553 | </seglistitem>
|
|---|
| 554 | </segmentedlist>
|
|---|
| 555 |
|
|---|
| 556 | <variablelist>
|
|---|
| 557 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 558 | <?dbfo list-presentation="list"?>
|
|---|
| 559 | <?dbhtml list-presentation="table"?>
|
|---|
| 560 |
|
|---|
| 561 | <varlistentry id="wpa_gui">
|
|---|
| 562 | <term><command>wpa_gui</command></term>
|
|---|
| 563 | <listitem>
|
|---|
| 564 | <para>
|
|---|
| 565 | is a graphical frontend program for interacting with
|
|---|
| 566 | <application>wpa_supplicant</application>
|
|---|
| 567 | </para>
|
|---|
| 568 | <indexterm zone="wpa_supplicant wpa_gui">
|
|---|
| 569 | <primary sortas="b-wpa_gui">wpa_gui</primary>
|
|---|
| 570 | </indexterm>
|
|---|
| 571 | </listitem>
|
|---|
| 572 | </varlistentry>
|
|---|
| 573 |
|
|---|
| 574 | <varlistentry id="wpa_supplicant-prog">
|
|---|
| 575 | <term><command>wpa_supplicant</command></term>
|
|---|
| 576 | <listitem>
|
|---|
| 577 | <para>
|
|---|
| 578 | is a daemon that can connect to a password protected wireless
|
|---|
| 579 | access point
|
|---|
| 580 | </para>
|
|---|
| 581 | <indexterm zone="wpa_supplicant wpa_supplicant-prog">
|
|---|
| 582 | <primary sortas="b-wpa_supplicant">wpa_supplicant</primary>
|
|---|
| 583 | </indexterm>
|
|---|
| 584 | </listitem>
|
|---|
| 585 | </varlistentry>
|
|---|
| 586 |
|
|---|
| 587 | <varlistentry id="wpa_passphrase">
|
|---|
| 588 | <term><command>wpa_passphrase</command></term>
|
|---|
| 589 | <listitem>
|
|---|
| 590 | <para>
|
|---|
| 591 | takes an SSID and a password and generates a simple
|
|---|
| 592 | configuration that <command>wpa_supplicant</command> can
|
|---|
| 593 | understand
|
|---|
| 594 | </para>
|
|---|
| 595 | <indexterm zone="wpa_supplicant wpa_passphrase">
|
|---|
| 596 | <primary sortas="b-wpa_passphrase">wpa_passphrase</primary>
|
|---|
| 597 | </indexterm>
|
|---|
| 598 | </listitem>
|
|---|
| 599 | </varlistentry>
|
|---|
| 600 |
|
|---|
| 601 | <varlistentry id="wpa_cli">
|
|---|
| 602 | <term><command>wpa_cli</command></term>
|
|---|
| 603 | <listitem>
|
|---|
| 604 | <para>
|
|---|
| 605 | is a command line interface used to control a running
|
|---|
| 606 | <command>wpa_supplicant</command> daemon
|
|---|
| 607 | </para>
|
|---|
| 608 | <indexterm zone="wpa_supplicant wpa_cli">
|
|---|
| 609 | <primary sortas="b-wpa_cli">wpa_cli</primary>
|
|---|
| 610 | </indexterm>
|
|---|
| 611 | </listitem>
|
|---|
| 612 | </varlistentry>
|
|---|
| 613 |
|
|---|
| 614 | </variablelist>
|
|---|
| 615 |
|
|---|
| 616 | </sect2>
|
|---|
| 617 |
|
|---|
| 618 | </sect1>
|
|---|
