mirror of
https://github.com/Zeckmathederg/glfs.git
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6a2bce2811
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3292 af4574ff-66df-0310-9fd7-8a98e5e911e0
200 lines
6.8 KiB
XML
200 lines
6.8 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY Linux_PAM-download-http "http://www.kernel.org/pub/linux/libs/pam/pre/library/Linux-PAM-&Linux_PAM-version;.tar.bz2">
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<!ENTITY Linux_PAM-download-ftp "ftp://ftp.kernel.org/pub/linux/libs/pam/pre/library/Linux-PAM-&Linux_PAM-version;.tar.bz2">
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<!ENTITY Linux_PAM-size "364 KB">
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<!ENTITY Linux_PAM-buildsize "6.1 MB">
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<!ENTITY Linux_PAM-time "0.07 SBU">
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]>
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<sect1 id="Linux_PAM" xreflabel="Linux-PAM-&Linux_PAM-version;">
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<?dbhtml filename="linux_pam.html"?>
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<title>Linux-PAM-&Linux_PAM-version;</title>
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<indexterm zone="Linux_PAM">
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<primary sortas="a-PAM_linux">PAM(Linux)</primary></indexterm>
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<sect2>
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<title>Introduction to <application>Linux-<acronym>PAM</acronym></application>
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</title>
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<para>The <application>Linux-<acronym>PAM</acronym></application> package
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contains Pluggable Authentication Modules. This is useful to enable the local
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system administrator to choose how applications authenticate users.</para>
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<sect3><title>Package information</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Download (HTTP): <ulink
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url="&Linux_PAM-download-http;"/></para></listitem>
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<listitem><para>Download (FTP): <ulink
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url="&Linux_PAM-download-ftp;"/></para></listitem>
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<listitem><para>Download size: &Linux_PAM-size;</para></listitem>
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<listitem><para>Estimated disk space required:
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&Linux_PAM-buildsize;</para></listitem>
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<listitem><para>Estimated build time:
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&Linux_PAM-time;</para></listitem></itemizedlist>
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</sect3>
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<sect3><title>Additional download</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Required Patch: <ulink
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url="&patch-root;/Linux-PAM-&Linux_PAM-version;-linkage-1.patch"/></para>
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</listitem></itemizedlist>
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</sect3>
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<sect3><title><application>Linux-<acronym>PAM</acronym></application>
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dependencies</title>
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<sect4><title>Optional</title>
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<para><xref linkend="cracklib"/> and sgmltools-lite
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(<ulink url="http://sourceforge.net/projects/sgmltools-lite/"/>)
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</para></sect4>
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</sect3>
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</sect2>
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<sect2>
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<title>Installation of <application>Linux-<acronym>PAM</acronym></application>
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</title>
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<para>Install <application>Linux-<acronym>PAM</acronym></application> by
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running the following commands:</para>
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<screen><userinput><command>patch -Np1 -i ../Linux-PAM-&Linux_PAM-version;-linkage-1.patch &&
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autoconf &&
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./configure --enable-static-libpam --with-mailspool=/var/mail \
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--enable-read-both-confs --sysconfdir=/etc &&
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make &&
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make install &&
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mv /lib/libpam.a /lib/libpam_misc.a /lib/libpamc.a /usr/lib &&
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ln -sf ../../lib/libpam.so.&Linux_PAM-version; /usr/lib/libpam.so &&
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ln -sf ../../lib/libpam_misc.so.&Linux_PAM-version; /usr/lib/libpam_misc.so &&
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ln -sf ../../lib/libpamc.so.&Linux_PAM-version; /usr/lib/libpamc.so</command></userinput></screen>
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</sect2>
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<sect2>
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<title>Command explanations</title>
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<para><command>autoconf</command>: This is necessary because the patch
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changes where <acronym>PAM</acronym> looks for the
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<application>cracklib</application> libraries, requiring regeneration of the
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configure script.</para>
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<para><option>--enable-static-libpam</option>: This switch builds
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static <acronym>PAM</acronym> libraries as well as the dynamic libraries.</para>
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<para><parameter>--with-mailspool=/var/mail</parameter>: This switch makes
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the mailspool directory <acronym>FHS</acronym> compliant.</para>
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<para><option>--enable-read-both-confs</option>: This switch lets the local
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administrator choose which configuration file setup to use.</para>
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<para><command>mv /lib/libpam.a /lib/libpam_misc.a /lib/libpamc.a
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/usr/lib</command>: This command moves the static libraries to
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<filename>/usr/lib</filename> to comply with <acronym>FHS</acronym>
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guidelines.</para>
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</sect2>
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<sect2>
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<title>Configuring <application>Linux-<acronym>PAM</acronym></application>
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</title>
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<sect3 id="pam-config"><title>Config files</title>
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<para><filename>/etc/pam.d/*</filename> or
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<filename>/etc/pam.conf</filename></para>
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<indexterm zone="Linux_PAM pam-config">
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<primary sortas="e-etc-pam.d">/etc/pam.d/*</primary></indexterm>
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<indexterm zone="Linux_PAM pam-config">
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<primary sortas="e-etc-pam.conf">/etc/pam.conf</primary></indexterm>
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</sect3>
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<sect3><title>Configuration Information</title>
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<para>Configuration information is placed in
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<filename class='directory'>/etc/pam.d/</filename> or
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<filename>/etc/pam.conf</filename> depending on user preference. Below are
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example files of each type:</para>
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<screen># Begin /etc/pam.d/other
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auth required pam_unix.so nullok
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account required pam_unix.so
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session required pam_unix.so
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password required pam_unix.so nullok
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# End /etc/pam.d/other
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# Begin /etc/pam.conf
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other auth required pam_unix.so nullok
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other account required pam_unix.so
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other session required pam_unix.so
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other password required pam_unix.so nullok
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# End /etc/pam.conf</screen>
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<para>The <application><acronym>PAM</acronym></application> man page
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(<command>man pam</command>) provides a good starting point for descriptions
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of fields and allowable entries. The
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<ulink url="http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html/pam.html">
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Linux-PAM guide for system administrators</ulink>
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is recommended for further reading.</para>
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<para>Refer to
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<ulink url="http://www.kernel.org/pub/linux/libs/pam/modules.html"/>
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for a list of various modules available.</para>
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</sect3>
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</sect2>
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<sect2>
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Program</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directory</segtitle>
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<seglistitem>
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<seg>unix_chkpwd and pam_tally</seg>
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<seg>libpam.so, libpamc.so and libpma_misc.so</seg>
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<seg>/lib/security</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<varlistentry id="unix_chkpwd">
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<term><command>unix_chkpwd</command></term>
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<listitem><para>checks user passwords that are stored
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in read protected databases.</para>
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<indexterm zone="Linux_PAM unix_chkpwd">
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<primary sortas="b-unix_chkpwd">unix_chkpwd</primary></indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libpam">
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<term><filename class='libraryfile'>libpam.so</filename></term>
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<listitem><para> provide the interfaces between applications and the <acronym>PAM</acronym> modules.</para>
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<indexterm zone="Linux_PAM libpam">
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<primary sortas="c-libpam">libpam.so</primary></indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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