[f97d5f6] | 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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[3c64e32] | 7 | <!ENTITY libpwquality-download-http "https://github.com/libpwquality/libpwquality/releases/download/libpwquality-&libpwquality-version;/libpwquality-&libpwquality-version;.tar.bz2">
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[f97d5f6] | 8 | <!ENTITY libpwquality-download-ftp " ">
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[1334c9a] | 9 | <!ENTITY libpwquality-md5sum "1fe43f6641dbf1e1766e2a02cf68a9c3">
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[208d4a0c] | 10 | <!ENTITY libpwquality-size "420 KB">
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[6914a417] | 11 | <!ENTITY libpwquality-buildsize "4.1 MB">
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[f97d5f6] | 12 | <!ENTITY libpwquality-time "less than 0.1 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="libpwquality" xreflabel="libpwquality-&libpwquality-version;">
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| 16 | <?dbhtml filename="libpwquality.html"?>
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| 17 |
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| 18 | <sect1info>
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[fda29e4] | 19 | <date>$Date$</date>
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[f97d5f6] | 20 | </sect1info>
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| 21 |
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| 22 | <title>libpwquality-&libpwquality-version;</title>
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| 23 |
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| 24 | <indexterm zone="libpwquality">
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[183f254] | 25 | <primary sortas="a-libpwquality">libpwquality</primary>
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[f97d5f6] | 26 | </indexterm>
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| 27 |
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| 28 | <sect2 role="package">
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[183f254] | 29 | <title>Introduction to libpwquality</title>
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[f97d5f6] | 30 |
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| 31 | <para>
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[096ed61] | 32 | The <application>libpwquality</application> package provides common
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[f97d5f6] | 33 | functions for password quality checking and also scoring them based on
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| 34 | their apparent randomness. The library also provides a function for
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[f3429309] | 35 | generating random passwords with good pronounceability.
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[f97d5f6] | 36 | </para>
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| 37 |
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[0ddf4e7] | 38 | &lfs112_checked;
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[f97d5f6] | 39 |
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| 40 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 41 | <itemizedlist spacing="compact">
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| 42 | <listitem>
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| 43 | <para>
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| 44 | Download (HTTP): <ulink url="&libpwquality-download-http;"/>
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| 45 | </para>
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| 46 | </listitem>
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| 47 | <listitem>
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| 48 | <para>
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| 49 | Download (FTP): <ulink url="&libpwquality-download-ftp;"/>
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| 50 | </para>
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| 51 | </listitem>
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| 52 | <listitem>
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| 53 | <para>
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| 54 | Download MD5 sum: &libpwquality-md5sum;
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| 55 | </para>
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| 56 | </listitem>
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| 57 | <listitem>
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| 58 | <para>
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| 59 | Download size: &libpwquality-size;
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| 60 | </para>
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| 61 | </listitem>
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| 62 | <listitem>
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| 63 | <para>
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| 64 | Estimated disk space required: &libpwquality-buildsize;
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| 65 | </para>
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| 66 | </listitem>
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| 67 | <listitem>
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| 68 | <para>
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| 69 | Estimated build time: &libpwquality-time;
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| 70 | </para>
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| 71 | </listitem>
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| 72 | </itemizedlist>
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| 73 |
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| 74 | <bridgehead renderas="sect3">libpwquality Dependencies</bridgehead>
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| 75 |
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[9dc3146] | 76 | <bridgehead renderas="sect4">Required</bridgehead>
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| 77 | <para role="required">
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| 78 | <xref linkend="cracklib"/>
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| 79 | </para>
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| 80 |
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[f97d5f6] | 81 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 82 | <para role="recommended">
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[9dc3146] | 83 | <xref linkend="linux-pam"/>
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[f97d5f6] | 84 | </para>
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[85ac148] | 85 | <!-- Do not advertise python 2 since python 3 can be used
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[2c64887e] | 86 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 87 | <para role="optional">
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| 88 | <xref linkend="python2"/>
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| 89 | </para>
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[85ac148] | 90 | -->
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[f97d5f6] | 91 | <para condition="html" role="usernotes">User Notes:
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| 92 | <ulink url="&blfs-wiki;/libpwquality"/>
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| 93 | </para>
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| 94 | </sect2>
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| 95 |
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| 96 | <sect2 role="installation">
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| 97 | <title>Installation of libpwquality</title>
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| 98 |
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| 99 | <para>
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| 100 | Install <application>libpwquality</application> by running the following
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| 101 | commands:
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| 102 | </para>
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| 103 |
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[e92e7dc] | 104 | <screen><userinput>./configure --prefix=/usr \
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| 105 | --disable-static \
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| 106 | --with-securedir=/usr/lib/security \
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| 107 | --with-python-binary=python3 &&
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[f97d5f6] | 108 | make</userinput></screen>
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| 109 |
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| 110 | <para>
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| 111 | This package does not come with a test suite.
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| 112 | </para>
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| 113 |
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| 114 | <para>
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| 115 | Now, as the <systemitem class="username">root</systemitem> user:
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| 116 | </para>
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[8558044] | 117 |
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[e92e7dc] | 118 | <screen role="root"><userinput>make install</userinput></screen>
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[f97d5f6] | 119 |
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| 120 | </sect2>
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| 121 |
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[2c64887e] | 122 | <sect2 role="commands">
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| 123 | <title>Command Explanations</title>
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| 124 |
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| 125 | <para>
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| 126 | <parameter>--with-python-binary=python3</parameter>: This parameter gives
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| 127 | the location of the <application>Python</application> binary. The default
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| 128 | is <parameter>python</parameter>, and requires <xref linkend="python2"/>.
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| 129 | </para>
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[7e11b83c] | 130 |
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[2c64887e] | 131 | </sect2>
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| 132 |
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[62066a54] | 133 | <sect2 role="configuration">
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[eecc046] | 134 | <title>Configuring libpwquality</title>
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[62066a54] | 135 |
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[7e11b83c] | 136 | <!--
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[62066a54] | 137 | <para>
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[eecc046] | 138 | <application>libpwquality</application> is intended to be a
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[62066a54] | 139 | functional replacement for the <filename>pam_cracklib.so</filename>
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| 140 | module with additional options. To replace the
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| 141 | <filename>pam_cracklib.so</filename> module with the
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| 142 | <filename>pam_pwquality.so</filename> module, execute the following
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| 143 | commands as the <systemitem class="username">root</systemitem> user:
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| 144 | </para>
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[7e11b83c] | 145 | -->
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| 146 |
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| 147 | <para>
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| 148 | <application>libpwquality</application> is intended to be a
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| 149 | functional replacement for the now-obsolete
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| 150 | <filename>pam_cracklib.so</filename> PAM module. To configure the system
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| 151 | to use the <filename>pam_pwquality</filename> module, execute the
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| 152 | following commands as the
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| 153 | <systemitem class="username">root</systemitem> user:
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| 154 | </para>
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[62066a54] | 155 |
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| 156 | <screen role="root"><userinput>mv /etc/pam.d/system-password{,.orig} &&
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| 157 | cat > /etc/pam.d/system-password << "EOF"
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| 158 | <literal># Begin /etc/pam.d/system-password
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| 159 |
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| 160 | # check new passwords for strength (man pam_pwquality)
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| 161 | password required pam_pwquality.so authtok_type=UNIX retry=1 difok=1 \
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| 162 | minlen=8 dcredit=0 ucredit=0 \
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| 163 | lcredit=0 ocredit=0 minclass=1 \
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| 164 | maxrepeat=0 maxsequence=0 \
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| 165 | maxclassrepeat=0 geoscheck=0 \
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| 166 | dictcheck=1 usercheck=1 \
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| 167 | enforcing=1 badwords="" \
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[e92e7dc] | 168 | dictpath=/usr/lib/cracklib/pw_dict
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[62066a54] | 169 | # use sha512 hash for encryption, use shadow, and use the
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| 170 | # authentication token (chosen password) set by pam_pwquality
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| 171 | # above (or any previous modules)
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| 172 | password required pam_unix.so sha512 shadow use_authtok
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| 173 |
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| 174 | # End /etc/pam.d/system-password</literal>
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| 175 | EOF
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| 176 | </userinput></screen>
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| 177 |
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| 178 | </sect2>
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[8558044] | 179 |
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[f97d5f6] | 180 | <sect2 role="content">
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| 181 | <title>Contents</title>
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| 182 |
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| 183 | <segmentedlist>
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| 184 | <segtitle>Installed Programs</segtitle>
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| 185 | <segtitle>Installed Libraries</segtitle>
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| 186 | <segtitle>Installed Directories</segtitle>
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| 187 |
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| 188 | <seglistitem>
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| 189 | <seg>
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| 190 | pwscore and pwmake
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| 191 | </seg>
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| 192 | <seg>
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| 193 | pam_pwquality.so and libpwquality.so
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| 194 | </seg>
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| 195 | <seg>
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[651c7ebf] | 196 | None
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| 197 | <!-- /etc/security was installed by Linux-PAM -->
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[f97d5f6] | 198 | </seg>
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| 199 | </seglistitem>
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| 200 | </segmentedlist>
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[183f254] | 201 |
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[f97d5f6] | 202 | <variablelist>
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| 203 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 204 | <?dbfo list-presentation="list"?>
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| 205 | <?dbhtml list-presentation="table"?>
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| 206 |
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[183f254] | 207 | <varlistentry id="pwmake">
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| 208 | <term><command>pwmake</command></term>
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| 209 | <listitem>
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| 210 | <para>
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| 211 | is a simple configurable tool for generating random
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[4c24eb0a] | 212 | and relatively easily pronounceable passwords
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[183f254] | 213 | </para>
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| 214 | <indexterm zone="libpwquality pwmake">
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| 215 | <primary sortas="b-pwmake">pwmake</primary>
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| 216 | </indexterm>
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| 217 | </listitem>
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| 218 | </varlistentry>
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| 219 |
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| 220 | <varlistentry id="pwscore">
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| 221 | <term><command>pwscore</command></term>
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| 222 | <listitem>
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| 223 | <para>
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[4c24eb0a] | 224 | is a simple tool for checking quality of a password
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[183f254] | 225 | </para>
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| 226 | <indexterm zone="libpwquality pwscore">
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| 227 | <primary sortas="b-pwscore">pwscore</primary>
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| 228 | </indexterm>
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| 229 | </listitem>
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| 230 | </varlistentry>
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| 231 |
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| 232 | <varlistentry id="libpwquality-lib">
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| 233 | <term><filename class="libraryfile">libpwquality.so</filename></term>
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| 234 | <listitem>
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| 235 | <para>
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[4c24eb0a] | 236 | contains API functions for checking the password quality
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[183f254] | 237 | </para>
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| 238 | <indexterm zone="libpwquality libpwquality-lib">
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| 239 | <primary sortas="c-libpwquality">libpwquality.so</primary>
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| 240 | </indexterm>
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| 241 | </listitem>
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| 242 | </varlistentry>
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[f97d5f6] | 243 |
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[183f254] | 244 | <varlistentry id="pam_pwquality">
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| 245 | <term><filename class="libraryfile">pam_pwquality.so</filename></term>
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[f97d5f6] | 246 | <listitem>
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[183f254] | 247 | <para>
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| 248 | is a <application>Linux PAM</application> module used to perform
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[4c24eb0a] | 249 | password quality checking
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[183f254] | 250 | </para>
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| 251 | <indexterm zone="libpwquality pam_pwquality">
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| 252 | <primary sortas="c-pam_pwquality">pam_pwquality.so</primary>
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[f97d5f6] | 253 | </indexterm>
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| 254 | </listitem>
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| 255 | </varlistentry>
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| 256 |
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| 257 | </variablelist>
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[183f254] | 258 |
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[f97d5f6] | 259 | </sect2>
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| 260 |
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| 261 | </sect1>
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