Tagged linux_pam.xml

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Manuel Canales Esparcia 2005-05-14 11:21:04 +00:00
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<sect1 id="Linux_PAM" xreflabel="Linux-PAM-&Linux_PAM-version;"> <sect1 id="Linux_PAM" xreflabel="Linux-PAM-&Linux_PAM-version;">
<sect1info> <?dbhtml filename="linux_pam.html"?>
<othername>$LastChangedBy$</othername>
<date>$Date$</date>
</sect1info>
<?dbhtml filename="linux_pam.html"?>
<title>Linux-PAM-&Linux_PAM-version;</title>
<indexterm zone="Linux_PAM">
<primary sortas="a-PAM_linux">PAM(Linux)</primary></indexterm>
<sect2> <sect1info>
<title>Introduction to <application>Linux-<acronym>PAM</acronym></application> <othername>$LastChangedBy$</othername>
</title> <date>$Date$</date>
</sect1info>
<para>The <application>Linux-<acronym>PAM</acronym></application> package <title>Linux-PAM-&Linux_PAM-version;</title>
contains Pluggable Authentication Modules. This is useful to enable the local
system administrator to choose how applications authenticate users.</para>
<sect3><title>Package information</title> <indexterm zone="Linux_PAM">
<itemizedlist spacing='compact'> <primary sortas="a-PAM_linux">PAM(Linux)</primary>
<listitem><para>Download (HTTP): <ulink </indexterm>
url="&Linux_PAM-download-http;"/></para></listitem>
<listitem><para>Download (FTP): <ulink
url="&Linux_PAM-download-ftp;"/></para></listitem>
<listitem><para>Download MD5 sum: &Linux_PAM-md5sum;</para></listitem>
<listitem><para>Download size: &Linux_PAM-size;</para></listitem>
<listitem><para>Estimated disk space required:
&Linux_PAM-buildsize;</para></listitem>
<listitem><para>Estimated build time:
&Linux_PAM-time;</para></listitem></itemizedlist>
</sect3>
<sect3><title>Additional downloads</title> <sect2 role="package">
<sect4><title>Patches</title> <title>Introduction to Linux-PAM</title>
<itemizedlist spacing='compact'>
<listitem><para>Required patch: <ulink
url="&patch-root;/Linux-PAM-&Linux_PAM-version;-linkage-2.patch"/></para>
</listitem></itemizedlist>
</sect4>
<sect4><title>Documentation</title> <para>The <application>Linux-PAM</application> package contains
<itemizedlist spacing='compact'> Pluggable Authentication Modules. This is useful to enable the
<listitem><para>Optional documentation: <ulink local system administrator to choose how applications authenticate
url="http://www.kernel.org/pub/linux/libs/pam/pre/library/Linux-PAM-0.78-docs.tar.bz2"/> users.</para>
</para></listitem>
</itemizedlist>
</sect4>
</sect3>
<sect3><title><application>Linux-<acronym>PAM</acronym></application> <bridgehead renderas="sect3">Package Information</bridgehead>
dependencies</title> <itemizedlist spacing="compact">
<sect4><title>Recommended</title> <listitem>
<para><xref linkend="cracklib"/></para> <para>Download (HTTP): <ulink url="&Linux_PAM-download-http;"/></para>
</sect4> </listitem>
<listitem>
<para>Download (FTP): <ulink url="&Linux_PAM-download-ftp;"/></para>
</listitem>
<listitem>
<para>Download MD5 sum: &Linux_PAM-md5sum;</para>
</listitem>
<listitem>
<para>Download size: &Linux_PAM-size;</para>
</listitem>
<listitem>
<para>Estimated disk space required: &Linux_PAM-buildsize;</para>
</listitem>
<listitem>
<para>Estimated build time: &Linux_PAM-time;</para>
</listitem>
</itemizedlist>
<sect4><title>Optional</title> <bridgehead renderas="sect3">Additional Downloads</bridgehead>
<para><ulink <itemizedlist spacing='compact'>
url="http://sourceforge.net/projects/sgmltools-lite/">sgmltools-lite</ulink> <title>Patches</title>
and <xref linkend="db"/> (for pam_userdb module)</para> <listitem>
</sect4> <para>Required patch: <ulink
</sect3> url="&patch-root;/Linux-PAM-&Linux_PAM-version;-linkage-2.patch"/></para>
</listitem>
</itemizedlist>
</sect2> <itemizedlist spacing='compact'>
<title>Documentation</title>
<listitem>
<para>Optional documentation: <ulink
url="http://www.kernel.org/pub/linux/libs/pam/pre/library/Linux-PAM-0.78-docs.tar.bz2"/>
</para>
</listitem>
</itemizedlist>
<sect2> <bridgehead renderas="sect3">Linux-PAM Dependencies</bridgehead>
<title>Installation of
<application>Linux-<acronym>PAM</acronym></application></title>
<para>Install <application>Linux-<acronym>PAM</acronym></application> by <bridgehead renderas="sect4">Recommended</bridgehead>
running the following commands:</para> <para><xref linkend="cracklib"/></para>
<screen><userinput><command>patch -Np1 -i ../Linux-PAM-&Linux_PAM-version;-linkage-2.patch &amp;&amp; <bridgehead renderas="sect4">Optional</bridgehead>
<para><ulink
url="http://sourceforge.net/projects/sgmltools-lite/">sgmltools-lite</ulink>
and <xref linkend="db"/> (for pam_userdb module)</para>
</sect2>
<sect2 role="installation">
<title>Installation of Linux-PAM</title>
<para>Install <application>Linux-PAM</application> by
running the following commands:</para>
<screen><userinput>patch -Np1 -i ../Linux-PAM-&Linux_PAM-version;-linkage-2.patch &amp;&amp;
autoconf &amp;&amp; autoconf &amp;&amp;
sed -i 's/(mandir)/(MANDIR)/g' modules/Simple.Rules &amp;&amp; sed -i 's/(mandir)/(MANDIR)/g' modules/Simple.Rules &amp;&amp;
./configure --enable-static-libpam --with-mailspool=/var/mail \ ./configure --enable-static-libpam --with-mailspool=/var/mail \
--enable-read-both-confs --sysconfdir=/etc &amp;&amp; --enable-read-both-confs --sysconfdir=/etc &amp;&amp;
make</command></userinput></screen> make</userinput></screen>
<para>If you downloaded the documentation and wish to install it, unpack the <para>If you downloaded the documentation and wish to install it, unpack the
tarball into the <filename class='directory'>doc</filename> directory:</para> tarball into the <filename class='directory'>doc</filename> directory:</para>
<screen><userinput><command>tar -jxf ../Linux-PAM-0.78-docs.tar.bz2 -C doc</command></userinput></screen> <screen><userinput>tar -jxf ../Linux-PAM-0.78-docs.tar.bz2 -C doc</userinput></screen>
<para>Now, as the root user:</para> <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
<screen><userinput role='root'><command>make install &amp;&amp; <screen role="root"><userinput>make install &amp;&amp;
mv -v /lib/libpam.a /lib/libpam_misc.a /lib/libpamc.a /usr/lib &amp;&amp; mv -v /lib/libpam.a /lib/libpam_misc.a /lib/libpamc.a /usr/lib &amp;&amp;
rm -v /lib/libpam{,c,_misc}.so &amp;&amp; rm -v /lib/libpam{,c,_misc}.so &amp;&amp;
ln -v -sf ../../lib/libpam.so.&Linux_PAM-version; /usr/lib/libpam.so &amp;&amp; ln -v -sf ../../lib/libpam.so.&Linux_PAM-version; /usr/lib/libpam.so &amp;&amp;
ln -v -sf ../../lib/libpam_misc.so.&Linux_PAM-version; /usr/lib/libpam_misc.so &amp;&amp; ln -v -sf ../../lib/libpam_misc.so.&Linux_PAM-version; /usr/lib/libpam_misc.so &amp;&amp;
ln -v -sf ../../lib/libpamc.so.&Linux_PAM-version; /usr/lib/libpamc.so</command></userinput></screen> ln -v -sf ../../lib/libpamc.so.&Linux_PAM-version; /usr/lib/libpamc.so</userinput></screen>
<para>Install the documentation using the following commands:</para> <para>Install the documentation using the following commands:</para>
<screen><userinput role='root'><command>install -v -d -m755 /usr/share/doc/Linux-PAM-&Linux_PAM-version; &amp;&amp; <screen role="root"><userinput>install -v -d -m755 /usr/share/doc/Linux-PAM-&Linux_PAM-version; &amp;&amp;
for DOCTYPE in html ps specs txts for DOCTYPE in html ps specs txts
do do
cp -v -R doc/$DOCTYPE /usr/share/doc/Linux-PAM-&Linux_PAM-version; cp -v -R doc/$DOCTYPE /usr/share/doc/Linux-PAM-&Linux_PAM-version;
done</command></userinput></screen> done</userinput></screen>
</sect2> </sect2>
<sect2> <sect2 role="commands">
<title>Command explanations</title> <title>Command Explanations</title>
<para><command>autoconf</command>: This is necessary because the patch <para><command>autoconf</command>: This is necessary because the
changes where <acronym>PAM</acronym> looks for the patch changes where PAM looks for the <application>cracklib</application>
<application>cracklib</application> libraries, requiring regeneration of the libraries, requiring regeneration of the configure script.</para>
configure script.</para>
<para><command>sed -i 's/(mandir)/(MANDIR)/g' <para><command>sed -i 's/(mandir)/(MANDIR)/g' modules/Simple.Rules</command>:
modules/Simple.Rules</command>: This command puts the module manpages This command puts the module manpages with the rest of the manpages in
with the rest of the manpages in <filename>/usr/share/man</filename>.</para>
<filename>/usr/share/man</filename>.</para>
<para><option>--enable-static-libpam</option>: This switch builds <para><parameter>--enable-static-libpam</parameter>: This switch builds
static <acronym>PAM</acronym> libraries as well as the dynamic libraries.</para> static PAM libraries as well as the dynamic libraries.</para>
<para><parameter>--with-mailspool=/var/mail</parameter>: This switch makes <para><parameter>--with-mailspool=/var/mail</parameter>: This switch
the mailspool directory <acronym>FHS</acronym> compliant.</para> makes the mailspool directory FHS compliant.</para>
<para><option>--enable-read-both-confs</option>: This switch lets the local <para><parameter>--enable-read-both-confs</parameter>: This switch lets
administrator choose which configuration file setup to use.</para> the local administrator choose which configuration file setup to use.</para>
<para><command>mv -v /lib/libpam.a /lib/libpam_misc.a /lib/libpamc.a <para><command>mv -v /lib/libpam.a /lib/libpam_misc.a /lib/libpamc.a
/usr/lib</command>: This command moves the static libraries to /usr/lib</command>: This command moves the static libraries to
<filename>/usr/lib</filename> to comply with <acronym>FHS</acronym> <filename class='directory'>/usr/lib</filename> to comply with FHS
guidelines.</para> guidelines.</para>
<para><command>rm -v /lib/libpam{,c,_misc}.so; ln -v -sf ... <para><command>rm -v /lib/libpam{,c,_misc}.so; ln -v -sf ...
/usr/lib/...</command>: These commands move the /usr/lib/...</command>: These commands move the
<filename class='symlink'>.so</filename> symlinks from <filename class='symlink'>.so</filename> symlinks from
<filename class='directory'>/lib</filename> to <filename class='directory'>/lib</filename> to
<filename class='directory'>/usr/lib</filename>.</para> <filename class='directory'>/usr/lib</filename>.</para>
</sect2> </sect2>
<sect2> <sect2 role="configuration">
<title>Configuring <title>Configuring Linux-PAM</title>
<application>Linux-<acronym>PAM</acronym></application></title>
<sect3 id="pam-config"><title>Config files</title> <sect3 id="pam-config">
<para><filename>/etc/security/*</filename>, and <title>Config Files</title>
<filename>/etc/pam.d/*</filename> or <filename>/etc/pam.conf</filename></para>
<indexterm zone="Linux_PAM pam-config">
<primary sortas="e-etc-security">/etc/security/*</primary></indexterm>
<indexterm zone="Linux_PAM pam-config">
<primary sortas="e-etc-pam.d">/etc/pam.d/*</primary></indexterm>
<indexterm zone="Linux_PAM pam-config">
<primary sortas="e-etc-pam.conf">/etc/pam.conf</primary></indexterm>
</sect3>
<sect3><title>Configuration Information</title> <para><filename>/etc/security/*</filename> and
<filename>/etc/pam.d/*</filename> or
<filename>/etc/pam.conf</filename></para>
<para>Configuration information is placed in <indexterm zone="Linux_PAM pam-config">
<filename class='directory'>/etc/pam.d/</filename> or <primary sortas="e-etc-security">/etc/security/*</primary>
<filename>/etc/pam.conf</filename> depending on user preference. Below are </indexterm>
example files of each type:</para>
<screen># Begin /etc/pam.d/other <indexterm zone="Linux_PAM pam-config">
<primary sortas="e-etc-pam.d">/etc/pam.d/*</primary>
</indexterm>
<indexterm zone="Linux_PAM pam-config">
<primary sortas="e-etc-pam.conf">/etc/pam.conf</primary>
</indexterm>
</sect3>
<sect3>
<title>Configuration Information</title>
<para>Configuration information is placed in
<filename class='directory'>/etc/pam.d/</filename> or
<filename>/etc/pam.conf</filename> depending on user preference.
Below are example files of each type:</para>
<screen><literal># Begin /etc/pam.d/other
auth required pam_unix.so nullok auth required pam_unix.so nullok
account required pam_unix.so account required pam_unix.so
@ -187,72 +204,84 @@ other account required pam_unix.so
other session required pam_unix.so other session required pam_unix.so
other password required pam_unix.so nullok other password required pam_unix.so nullok
# End /etc/pam.conf</screen> # End /etc/pam.conf</literal></screen>
<para>The <application><acronym>PAM</acronym></application> man page <para>The <application>PAM</application> man page
(<command>man pam</command>) provides a good starting point for descriptions (<command>man pam</command>) provides a good starting point for
of fields and allowable entries. The descriptions of fields and allowable entries. The <ulink
<ulink url="http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html/pam.html"> url="http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html/pam.html">
Linux-PAM guide for system administrators</ulink> Linux-PAM guide for system administrators</ulink>
is recommended for further reading.</para> is recommended for further reading.</para>
<para>Refer to <para>Refer to <ulink
<ulink url="http://www.kernel.org/pub/linux/libs/pam/modules.html"/> url="http://www.kernel.org/pub/linux/libs/pam/modules.html"/>
for a list of various modules available.</para> for a list of various modules available.</para>
<note><para>You should now reinstall the <xref linkend="shadow"/> <note>
package.</para></note> <para>You should now reinstall the <xref linkend="shadow"/>
</sect3> package.</para>
</note>
</sect2> </sect3>
<sect2> </sect2>
<title>Contents</title>
<segmentedlist> <sect2 role="content">
<segtitle>Installed Programs</segtitle> <title>Contents</title>
<segtitle>Installed Libraries</segtitle>
<segtitle>Installed Directories</segtitle>
<seglistitem>
<seg>unix_chkpwd and pam_tally</seg>
<seg>libpam.[so,a], libpamc.[so,a] and libpam_misc.[so,a]</seg>
<seg>/etc/pam.d, /etc/security, /lib/security and /usr/include/security</seg>
</seglistitem>
</segmentedlist>
<variablelist> <segmentedlist>
<bridgehead renderas="sect3">Short Descriptions</bridgehead> <segtitle>Installed Programs</segtitle>
<?dbfo list-presentation="list"?> <segtitle>Installed Libraries</segtitle>
<segtitle>Installed Directories</segtitle>
<varlistentry id="unix_chkpwd"> <seglistitem>
<term><command>unix_chkpwd</command></term> <seg>unix_chkpwd and pam_tally</seg>
<listitem><para>checks user passwords that are stored <seg>libpam.[so,a], libpamc.[so,a], and libpam_misc.[so,a]</seg>
in read protected databases.</para> <seg>/etc/pam.d, /etc/security, /lib/security, and
<indexterm zone="Linux_PAM unix_chkpwd"> /usr/include/security</seg>
<primary sortas="b-unix_chkpwd">unix_chkpwd</primary></indexterm> </seglistitem>
</listitem> </segmentedlist>
</varlistentry>
<varlistentry id="pam_tally"> <variablelist>
<term><command>pam_tally</command></term> <bridgehead renderas="sect3">Short Descriptions</bridgehead>
<listitem><para>is used to view or manipulate the <filename>faillog</filename> <?dbfo list-presentation="list"?>
file.</para> <?dbhtml list-presentation="table"?>
<indexterm zone="Linux_PAM pam_tally">
<primary sortas="b-pam_tally">pam_tally</primary></indexterm>
</listitem>
</varlistentry>
<varlistentry id="libpam"> <varlistentry id="unix_chkpwd">
<term><filename class='libraryfile'>libpam.[so,a]</filename></term> <term><command>unix_chkpwd</command></term>
<listitem><para>provides the interfaces between applications and the <listitem>
<acronym>PAM</acronym> modules.</para> <para>checks user passwords that are stored
<indexterm zone="Linux_PAM libpam"> in read protected databases.</para>
<primary sortas="c-libpam">libpam.[so,a]</primary></indexterm> <indexterm zone="Linux_PAM unix_chkpwd">
</listitem> <primary sortas="b-unix_chkpwd">unix_chkpwd</primary>
</varlistentry> </indexterm>
</variablelist> </listitem>
</varlistentry>
</sect2> <varlistentry id="pam_tally">
<term><command>pam_tally</command></term>
<listitem>
<para>is used to view or manipulate the <filename>faillog</filename>
file.</para>
<indexterm zone="Linux_PAM pam_tally">
<primary sortas="b-pam_tally">pam_tally</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="libpam">
<term><filename class='libraryfile'>libpam.[so,a]</filename></term>
<listitem>
<para>provides the interfaces between applications and the
PAM modules.</para>
<indexterm zone="Linux_PAM libpam">
<primary sortas="c-libpam">libpam.[so,a]</primary>
</indexterm>
</listitem>
</varlistentry>
</variablelist>
</sect2>
</sect1> </sect1>