mirror of
https://github.com/Zeckmathederg/glfs.git
synced 2025-02-03 06:27:16 +08:00
Updated to Shadow-4.0.7
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3567 af4574ff-66df-0310-9fd7-8a98e5e911e0
This commit is contained in:
Randy McMurchy
parent
f691f2b407
commit
4fcf20a544
@ -1,8 +1,8 @@
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<!ENTITY day "22">
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<!ENTITY day "23">
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<!ENTITY month "03">
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<!ENTITY year "2005">
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<!ENTITY version "svn-&year;&month;&day;">
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<!ENTITY releasedate "March &day;nd, &year;">
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<!ENTITY releasedate "March &day;rd, &year;">
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<!ENTITY pubdate "&year;-&month;-&day;"> <!-- metadata req. by TLDP -->
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<!ENTITY blfs-version "cvs"> <!-- cvs|[release #] -->
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<!ENTITY lfs-version "development"> <!-- version|stable|testing|unstable|development] -->
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@ -32,7 +32,7 @@
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<!ENTITY openssl-version "0.9.7e">
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<!ENTITY cracklib-version "2.7">
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<!ENTITY Linux_PAM-version "0.78">
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<!ENTITY shadow-version "4.0.4.1">
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<!ENTITY shadow-version "4.0.7">
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<!ENTITY iptables-version "1.3.1">
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<!ENTITY gnupg-version "1.4.0">
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<!ENTITY tripwire-version "portable-0.9">
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@ -131,7 +131,7 @@
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<!-- Chapter 12 -->
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<!ENTITY Python-version "2.4">
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<!ENTITY LFS-Perl-version "5.8.5">
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<!ENTITY LFS-Perl-version "5.8.6">
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<!ENTITY Module-Info-version "0.26">
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<!ENTITY Gtk-Perl-version "0.7009">
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<!ENTITY XML-Parser-version "2.34">
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@ -22,6 +22,9 @@ who wrote what.</para>
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<itemizedlist>
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<listitem><para>March 23rd, 2005 [randy]: Updated to
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Shadow-4.0.7</para></listitem>
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<listitem><para>March 22nd, 2005 [randy]: Added the installation of
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documentation to the Linux-PAM instructions.</para></listitem>
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@ -152,8 +152,8 @@ slrn, soup, tex, tcp-wrappers, and xinetd: <emphasis>Billy O'Connor</emphasis>
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DocBook-utils, Ethereal, Evolution Data Server, Exim (many additions), Expect,
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FOP, GNOME Doc Utils, GnuCash (many additions), Heimdal, HTML Tidy, JadeTeX,
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Java Access Bridge, libgail-gnome, libgnomecups, MPlayer (extensive overhaul),
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PDL, Perl Modules, pilot-link, Samba 3 (many additions), SANE (original
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instructions by Alex Kloss), SLIB, Stunnel and Sysstat:
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PDL, Perl Modules, pilot-link, Samba 3 (many additions), Shadow (rewrite),
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SANE (original instructions by Alex Kloss), SLIB, Stunnel and Sysstat:
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<emphasis>Randy McMurchy</emphasis></para></listitem>
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<listitem><para>Screen: <emphasis>Andreas Pedersen</emphasis></para></listitem>
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@ -5,11 +5,11 @@
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%general-entities;
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<!ENTITY shadow-download-http " ">
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<!ENTITY shadow-download-ftp "ftp://ftp.pld.org.pl/software/shadow/old/shadow-&shadow-version;.tar.bz2">
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<!ENTITY shadow-md5sum "3a3d17d3d7c630b602baf66ae7434c61">
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<!ENTITY shadow-size "814 KB">
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<!ENTITY shadow-buildsize "14.1 MB">
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<!ENTITY shadow-time "0.42 SBU">
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<!ENTITY shadow-download-ftp "ftp://ftp.pld.org.pl/software/shadow/shadow-&shadow-version;.tar.bz2">
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<!ENTITY shadow-md5sum "89ebec0d1c0d861a5bd5c4c63e5cb0cc">
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<!ENTITY shadow-size "1.0 MB">
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<!ENTITY shadow-buildsize "13.2 MB">
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<!ENTITY shadow-time "0.31 SBU">
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]>
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<sect1 id="shadow" xreflabel="Shadow-&shadow-version;">
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@ -22,28 +22,6 @@
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<indexterm zone="shadow">
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<primary sortas="a-Shadow">Shadow</primary></indexterm>
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<!--
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<sect2>
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<title>Configuring shadow</title>
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<para>Shadow's Configuration File</para>
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<para><userinput>/etc/login.defs</userinput></para>
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<para>Enabling <acronym>MD</acronym>5 Passwords</para>
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<para>To enable <acronym>MD</acronym>5 Passwords, modify the line in the
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<filename>login.defs</filename> file that reads:
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<screen><userinput>#MD5_CRYPT_ENAB no</userinput></screen>
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to read:
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<screen><userinput>MD5_CRYPT_ENAB yes</userinput></screen>
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Passwords created after this change will be encrypted using
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<acronym>MD</acronym>5 (Message-Digest Algorithm) instead of using
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<acronym>DES</acronym> encryption.
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</para>
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</sect2>
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-->
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<sect2>
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<title>Introduction to <application>Shadow</application></title>
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@ -72,16 +50,18 @@ this will allow programs like <command>login</command> and
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<sect3><title>Additional downloads</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Patch to fix linking against PAM:
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<ulink url="&patch-root;/shadow-&shadow-version;-pam-1.patch"/></para>
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<listitem><para>Patch to fix a bug in the <command>lastlog</command> program:
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<ulink url="&patch-root;/shadow-&shadow-version;-fix_lastlog-1.patch"/></para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3><title><application>Shadow</application> dependencies</title>
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<sect4><title>Required</title>
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<para><xref linkend="Linux_PAM"/></para></sect4>
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<para><xref linkend="Linux_PAM"/></para>
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</sect4>
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</sect3>
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</sect2>
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<sect2>
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@ -90,23 +70,20 @@ this will allow programs like <command>login</command> and
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<para>Reinstall <application>Shadow</application> by running the following
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commands:</para>
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<screen><userinput><command>patch -Np1 -i ../shadow-&shadow-version;-pam-1.patch &&
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LIBS="-lpam -lpam_misc" ./configure --libdir=/usr/lib \
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--enable-shared --with-libpam --without-libcrack &&
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echo '#define HAVE_SETLOCALE 1' >> config.h &&
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sed -i '/extern char/d' libmisc/xmalloc.c &&
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<screen><userinput><command>patch -Np1 -i ../shadow-&shadow-version;-fix_lastlog-1.patch &&
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./configure --libdir=/usr/lib --enable-shared \
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--with-libpam --without-libcrack &&
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sed -i 's/groups$(EXEEXT) //' src/Makefile &&
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sed -i '/groups/d' man/Makefile &&
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make</command></userinput></screen>
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<para>Now, as the root user:</para>
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<screen><userinput role='root'><command>make install &&
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mv /bin/sg /usr/bin &&
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mv /bin/vigr /usr/sbin &&
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mv /usr/bin/passwd /bin &&
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rm /bin/groups &&
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mv /usr/lib/lib{misc,shadow}.so.0* /lib &&
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ln -sf ../../lib/libshadow.so.0 /usr/lib/libshadow.so &&
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ln -sf ../../lib/libmisc.so.0 /usr/lib/libmisc.so</command></userinput></screen>
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mv -v /usr/bin/passwd /bin &&
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mv -v /lib/libshadow.*a /usr/lib &&
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rm -v /lib/libshadow.so &&
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ln -v -sf ../../lib/libshadow.so.0 /usr/lib/libshadow.so</command></userinput></screen>
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</sect2>
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@ -119,9 +96,10 @@ ln -sf ../../lib/libmisc.so.0 /usr/lib/libmisc.so</command></userinput></screen>
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<application>Linux-<acronym>PAM</acronym></application> already contains
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<filename class='libraryfile'>libcrack</filename>.</para>
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<para><command>sed -i '/extern char/d' libmisc/xmalloc.c</command>: This
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fixes a compilation problem when using <application>GCC</application>-3.4.x.
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</para>
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<para><command>sed -i ...</command>: These commands are used to suppress the
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installation of the <command>groups</command> program as the version from the
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<application>Coreutils</application> package installed during
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<acronym>LFS</acronym> is preferred.</para>
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</sect2>
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@ -130,13 +108,8 @@ fixes a compilation problem when using <application>GCC</application>-3.4.x.
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work with <application>Shadow</application></title>
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<sect3 id="pam.d"><title>Config files</title>
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<para><filename>/etc/pam.d/login</filename>,
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<filename>/etc/pam.d/passwd</filename>,
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<filename>/etc/pam.d/su</filename>,
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<filename>/etc/pam.d/shadow</filename>,
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<filename>/etc/pam.d/useradd</filename>, and
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<filename>/etc/pam.d/chage</filename> –
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alternatively, <filename>/etc/pam.conf</filename></para>
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<para><filename>/etc/pam.d/*</filename>, or alternatively,
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<filename>/etc/pam.conf</filename></para>
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<indexterm zone="shadow pam.d">
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<primary sortas="e-etc-pam.d">/etc/pam.d/*</primary></indexterm>
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<indexterm zone="shadow pam.d">
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@ -150,6 +123,8 @@ configuration files to <filename class="directory">/etc/pam.d/</filename> (or
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add them to <filename>/etc/pam.conf</filename> with the additional field for
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the program).</para>
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<sect4><title>login (with <application>cracklib</application>)</title>
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<screen><userinput><command>cat > /etc/pam.d/login << "EOF"</command>
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# Begin /etc/pam.d/login
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@ -161,52 +136,83 @@ account required pam_access.so
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account required pam_unix.so
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session required pam_motd.so
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session required pam_limits.so
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session optional pam_mail.so dir=/var/mail standard
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session optional pam_mail.so dir=/var/mail standard
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session optional pam_lastlog.so
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session required pam_unix.so
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password required pam_cracklib.so retry=3 difok=8 minlen=5 \
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dcredit=3 ocredit=3 \
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ucredit=2 lcredit=2
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password required pam_unix.so md5 shadow use_authtok
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# End /etc/pam.d/login
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<command>EOF
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cat > /etc/pam.d/passwd << "EOF"</command>
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<command>EOF</command></userinput></screen>
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</sect4>
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<sect4><title>login (without <application>cracklib</application>)</title>
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<screen><userinput><command>cat > /etc/pam.d/login << "EOF"</command>
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# Begin /etc/pam.d/login
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auth requisite pam_securetty.so
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auth requisite pam_nologin.so
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auth required pam_env.so
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auth required pam_unix.so
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account required pam_access.so
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account required pam_unix.so
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session required pam_motd.so
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session required pam_limits.so
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session optional pam_mail.so dir=/var/mail standard
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session optional pam_lastlog.so
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session required pam_unix.so
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password required pam_unix.so md5 shadow
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# End /etc/pam.d/login
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<command>EOF</command></userinput></screen>
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</sect4>
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<sect4><title>passwd (with <application>cracklib</application>)</title>
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<screen><userinput><command>cat > /etc/pam.d/passwd << "EOF"</command>
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# Begin /etc/pam.d/passwd
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password required pam_unix.so md5 shadow
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password required pam_cracklib.so retry=3 difok=8 minlen=5 \
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dcredit=3 ocredit=3 \
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ucredit=2 lcredit=2
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password required pam_unix.so md5 shadow use_authtok
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# End /etc/pam.d/passwd
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<command>EOF
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cat > /etc/pam.d/shadow << "EOF"</command>
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# Begin /etc/pam.d/shadow
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<command>EOF</command></userinput></screen>
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</sect4>
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auth sufficient pam_rootok.so
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auth required pam_unix.so
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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_permit.so
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<sect4><title>passwd (without <application>cracklib</application>)</title>
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# End /etc/pam.d/shadow
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<command>EOF
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cat > /etc/pam.d/su << "EOF"</command>
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<screen><userinput><command>cat > /etc/pam.d/passwd << "EOF"</command>
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# Begin /etc/pam.d/passwd
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password required pam_unix.so md5 shadow
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# End /etc/pam.d/passwd
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<command>EOF</command></userinput></screen>
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</sect4>
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<sect4><title>su</title>
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<screen><userinput><command>cat > /etc/pam.d/su << "EOF"</command>
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# Begin /etc/pam.d/su
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auth sufficient pam_rootok.so
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auth required pam_unix.so
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account required pam_unix.so
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session optional pam_mail.so dir=/var/mail standard
|
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session required pam_unix.so
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||||
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# End /etc/pam.d/su
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<command>EOF
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cat > /etc/pam.d/useradd << "EOF"</command>
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# Begin /etc/pam.d/useradd
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<command>EOF</command></userinput></screen>
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</sect4>
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||||
|
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auth sufficient pam_rootok.so
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auth required pam_unix.so
|
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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_permit.so
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<sect4><title>chage</title>
|
||||
|
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# End /etc/pam.d/useradd
|
||||
<command>EOF
|
||||
cat > /etc/pam.d/chage << "EOF"</command>
|
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<screen><userinput><command>cat > /etc/pam.d/chage << "EOF"</command>
|
||||
# Begin /etc/pam.d/chage
|
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|
||||
auth sufficient pam_rootok.so
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@ -217,18 +223,20 @@ password required pam_permit.so
|
||||
|
||||
# End /etc/pam.d/chage
|
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<command>EOF</command></userinput></screen>
|
||||
</sect4>
|
||||
|
||||
<note><para>If you've installed <application>cracklib</application>, replace
|
||||
<filename>/etc/pam.d/passwd</filename> with the following:</para></note>
|
||||
<screen><userinput><command>cat > /etc/pam.d/passwd << "EOF"</command>
|
||||
# Begin /etc/pam.d/passwd
|
||||
<sect4><title>chpasswd, newusers, groupadd, groupdel, groupmod, useradd,
|
||||
userdel and usermod</title>
|
||||
|
||||
password required pam_cracklib.so \
|
||||
retry=3 difok=8 minlen=5 dcredit=3 ocredit=3 ucredit=2 lcredit=2
|
||||
password required pam_unix.so md5 shadow use_authtok
|
||||
<screen><userinput><command>for PROGRAM in chpasswd newusers groupadd groupdel \
|
||||
groupmod useradd userdel usermod
|
||||
do
|
||||
cp /etc/pam.d/chage /etc/pam.d/$PROGRAM
|
||||
sed -i -e "s/chage/$PROGRAM/" /etc/pam.d/$PROGRAM
|
||||
done</command></userinput></screen>
|
||||
</sect4>
|
||||
|
||||
# End /etc/pam.d/passwd
|
||||
<command>EOF</command></userinput></screen>
|
||||
<sect4><title>other</title>
|
||||
|
||||
<warning><para>At this point, you should do a simple test to see if
|
||||
<application>Shadow</application> is
|
||||
@ -237,16 +245,18 @@ to root. If you do not see any errors, then all is well and you should
|
||||
proceed with the rest of the configuration. If you did
|
||||
receive errors, stop now and double check the above configuration files
|
||||
manually. If you cannot find, and fix the error, you should recompile
|
||||
shadow replacing <envar>--with-libpam</envar> with
|
||||
<envar>--without-libpam</envar> in the above
|
||||
shadow replacing <parameter>--with-libpam</parameter> with
|
||||
<parameter>--without-libpam</parameter> in the above
|
||||
instructions. If you fail to do this and the errors remain, you
|
||||
will be unable to log into your system.</para></warning>
|
||||
|
||||
<para>Currently, <filename>/etc/pam.d/other</filename> is configured to
|
||||
allow anyone with an account on the machine to use programs
|
||||
that do not specifically have a configuration file of their own. After
|
||||
testing <application>Linux-<acronym>PAM</acronym></application> for proper
|
||||
configuration, it can be changed to the following:</para>
|
||||
allow anyone with an account on the machine to use
|
||||
<acronym>PAM</acronym>-aware programs without a configuration file for that
|
||||
program. After testing <application>Linux-<acronym>PAM</acronym></application>
|
||||
for proper configuration, install a more restrictive
|
||||
<filename>other</filename> file so that program-specific configuration files
|
||||
are required:</para>
|
||||
|
||||
<screen><userinput><command>cat > /etc/pam.d/other << "EOF"</command>
|
||||
# Begin /etc/pam.d/other
|
||||
@ -260,29 +270,74 @@ password required pam_warn.so
|
||||
|
||||
# End /etc/pam.d/other
|
||||
<command>EOF</command></userinput></screen>
|
||||
</sect4>
|
||||
|
||||
<para>Finally, edit <filename>/etc/login.defs</filename> by adding '#'
|
||||
to the beginning of the following lines:</para>
|
||||
<screen>LASTLOG_ENAB
|
||||
MAIL_CHECK_ENAB
|
||||
PORTTIME_CHECKS_ENAB
|
||||
CONSOLE
|
||||
MOTD_FILE
|
||||
NOLOGINS_FILE
|
||||
PASS_MIN_LEN
|
||||
SU_WHEEL_ONLY
|
||||
MD5_CRYPT_ENAB
|
||||
CONSOLE_GROUPS
|
||||
ENVIRON_FILE</screen>
|
||||
<sect4 id="pam-access"><title>Configuring login access</title>
|
||||
|
||||
<para>Instead of using the <filename>/etc/login.access</filename> file for
|
||||
controlling access to the system,
|
||||
<application>Linux-<acronym>PAM</acronym></application> uses the
|
||||
<filename class='libraryfile'>pam_access.so</filename> module along with the
|
||||
<filename>/etc/security/access.conf</filename> file. Rename the
|
||||
<filename>/etc/login.access</filename> file using the following
|
||||
command:</para>
|
||||
<indexterm zone="shadow pam-access"><primary
|
||||
sortas="e-etc-security-access.conf">/etc/security/access.conf</primary>
|
||||
</indexterm>
|
||||
|
||||
<screen><userinput><command>if [ -f /etc/login.access ]; then
|
||||
mv -v /etc/login.access /etc/login.access.NOUSE
|
||||
fi</command></userinput></screen>
|
||||
</sect4>
|
||||
|
||||
<sect4 id="pam-limits"><title>Configuring resource limits</title>
|
||||
|
||||
<para>Instead of using the <filename>/etc/limits</filename> file for
|
||||
limiting usage of system resources,
|
||||
<application>Linux-<acronym>PAM</acronym></application> uses the
|
||||
<filename class='libraryfile'>pam_limits.so</filename> module along with the
|
||||
<filename>/etc/security/limits.conf</filename> file. Rename the
|
||||
<filename>/etc/limits</filename> file using the following
|
||||
command:</para>
|
||||
<indexterm zone="shadow pam-limits"><primary
|
||||
sortas="e-etc-security-limits.conf">/etc/security/limits.conf</primary>
|
||||
</indexterm>
|
||||
|
||||
<screen><userinput><command>if [ -f /etc/limits ]; then
|
||||
mv -v /etc/limits /etc/limits.NOUSE
|
||||
fi</command></userinput></screen>
|
||||
</sect4>
|
||||
|
||||
<sect4 id="pam-login-defs"><title>Configuring /etc/login.defs</title>
|
||||
|
||||
<para>The <command>login</command> program currently performs many functions
|
||||
which <application>Linux-<acronym>PAM</acronym></application> modules should
|
||||
now handle. The following command will comment out the appropriate lines in
|
||||
<filename>/etc/login.defs</filename>, and stop <command>login</command> from
|
||||
performing these functions:</para>
|
||||
<indexterm zone="shadow pam-login-defs"><primary
|
||||
sortas="e-etc-login.defs">/etc/login.defs</primary>
|
||||
</indexterm>
|
||||
|
||||
<screen><userinput><command>for FUNCTION in LASTLOG_ENAB MAIL_CHECK_ENAB \
|
||||
PORTTIME_CHECKS_ENAB CONSOLE \
|
||||
MOTD_FILE NOLOGINS_FILE PASS_MIN_LEN \
|
||||
SU_WHEEL_ONLY MD5_CRYPT_ENAB \
|
||||
CONSOLE_GROUPS ENVIRON_FILE
|
||||
do
|
||||
sed -i -e "s/^$FUNCTION/# &/" /etc/login.defs
|
||||
done</command></userinput></screen>
|
||||
|
||||
<para>If you have <application>cracklib</application> installed, also comment
|
||||
out four more lines using the following command:</para>
|
||||
|
||||
<screen><userinput><command>for FUNCTION in OBSCURE_CHECKS_ENAB CRACKLIB_DICTPATH \
|
||||
PASS_CHANGE_TRIES PASS_ALWAYS_WARN
|
||||
do
|
||||
sed -i -e "s/^$FUNCTION/# &/" /etc/login.defs
|
||||
done</command></userinput></screen>
|
||||
</sect4>
|
||||
|
||||
<para>This stops <command>login</command> from performing these functions, as
|
||||
they will now be performed by <acronym>PAM</acronym> modules. Additionally,
|
||||
add a '#' to the beginning of the following lines if you've installed
|
||||
<application>cracklib</application>:</para>
|
||||
<screen>OBSCURE_CHECKS_ENAB
|
||||
CRACKLIB_DICTPATH
|
||||
PASS_CHANGE_TRIES
|
||||
PASS_ALWAYS_WARN</screen>
|
||||
</sect3>
|
||||
|
||||
</sect2>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user