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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-system-acl" role="wrap">
<?dbhtml filename="acl.html"?>
<sect1info condition="script">
<productname>acl</productname>
<productnumber>&acl-version;</productnumber>
<address>&acl-url;</address>
</sect1info>
<title>Acl-&acl-version;</title>
<indexterm zone="ch-system-acl">
<primary sortas="a-Acl">Acl</primary>
</indexterm>
<sect2 role="package">
<title/>
<para>The Acl package contains utilities to administer Access Control Lists,
which are used to define more fine-grained discretionary access rights for
files and directories.</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>&acl-ch6-sbu;</seg>
<seg>&acl-ch6-du;</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of Acl</title>
<para>Modify the documentation directory so that it is a versioned
directory:</para>
<screen><userinput remap="pre">sed -i -e 's|/@pkg_name@|&-@pkg_version@|' include/builddefs.in</userinput></screen>
<para>Fix some broken tests:</para>
<screen><userinput remap="pre">sed -i "s:| sed.*::g" test/{sbits-restore,cp,misc}.test</userinput></screen>
<para>Additionally, fix a bug that causes <command>getfacl -e</command>
to segfault on overly long group name:</para>
<screen><userinput remap="pre">sed -i -e "/TABS-1;/a if (x > (TABS-1)) x = (TABS-1);" \
libacl/__acl_to_any_text.c</userinput></screen>
<para>Prepare Acl for compilation:</para>
<screen><userinput remap="configure">./configure --prefix=/usr --libexecdir=/usr/lib</userinput></screen>
<para>Compile the package:</para>
<screen><userinput remap="make">make</userinput></screen>
<para>The Acl tests need to be run on a filesystem that supports access
controls after <application>Coreutils</application> has been built with the
Acl libraries. If desired, return to this package and run <command>make -j1
tests</command> after <application>Coreutils</application> has been built
later in this chapter.</para>
<para>Install the package:</para>
<screen><userinput remap="install">make install install-dev install-lib
chmod -v 755 /usr/lib/libacl.so</userinput></screen>
<para>The shared library needs to be moved to
<filename class="directory">/lib</filename>, and as a result the
<filename class="extension">.so</filename> file in
<filename class="directory">/usr/lib</filename> will need to be recreated:</para>
<screen><userinput remap="install">mv -v /usr/lib/libacl.so.* /lib
ln -sfv ../../lib/$(readlink /usr/lib/libacl.so) /usr/lib/libacl.so</userinput></screen>
</sect2>
<sect2 id="contents-acl" role="content">
<title>Contents of Acl</title>
<segmentedlist>
<segtitle>Installed programs</segtitle>
<segtitle>Installed library</segtitle>
<segtitle>Installed directories</segtitle>
<seglistitem>
<seg>chacl, getfacl, and setacl</seg>
<seg>libacl.{a,so}</seg>
<seg>/usr/include/acl, /usr/share/doc/acl-&acl-version;</seg>
</seglistitem>
</segmentedlist>
<variablelist>
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry id="chacl">
<term><command>chacl</command></term>
<listitem>
<para>Changes the access control list of a file
or directory.</para>
<indexterm zone="ch-system-acl chacl">
<primary sortas="b-chacl">chacl</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="getfacl">
<term><command>getfacl</command></term>
<listitem>
<para>Gets file access control lists.</para>
<indexterm zone="ch-system-acl getfacl">
<primary sortas="b-getfacl">getfacl</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="setacl">
<term><command>setacl</command></term>
<listitem>
<para>Sets file access control lists.</para>
<indexterm zone="ch-system-acl setacl">
<primary sortas="b-setacl">setacl</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="libacl">
<term><filename class="libraryfile">libacl</filename></term>
<listitem>
<para>Contains the <application>Acl</application> API functions.</para>
<indexterm zone="ch-system-acl libacl">
<primary sortas="c-libacl">libacl</primary>
</indexterm>
</listitem>
</varlistentry>
</variablelist>
</sect2>
</sect1>
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