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diff --git a/chapter06/libcap.xml b/chapter06/libcap.xml new file mode 100644 index 000000000..63e9d0017 --- /dev/null +++ b/chapter06/libcap.xml @@ -0,0 +1,129 @@ +<?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-libcap" role="wrap"> + <?dbhtml filename="libcap.html"?> + + <sect1info condition="script"> + <productname>libcap</productname> + <productnumber>&libcap-version;</productnumber> + <address>&libcap-url;</address> + </sect1info> + + <title>Libcap-&libcap-version;</title> + + <indexterm zone="ch-system-libcap"> + <primary sortas="a-Libcap">Libcap</primary> + </indexterm> + + <sect2 role="package"> + <title/> + + <para>The Libcap package implements the user-space interfaces to the POSIX + 1003.1e capabilities available in Linux kernels. These capabilities are a + partitioning of the all powerful root privilege into a set of distinct + privileges.</para> + + <segmentedlist> + <segtitle>&buildtime;</segtitle> + <segtitle>&diskspace;</segtitle> + + <seglistitem> + <seg>&libcap-ch6-sbu;</seg> + <seg>&libcap-ch6-du;</seg> + </seglistitem> + </segmentedlist> + + </sect2> + + <sect2 role="installation"> + <title>Installation of Libcap</title> + + <para>Compile the package:</para> + +<screen><userinput remap="make">make</userinput></screen> + + <para>This package does not come with a test suite.</para> + + <para>Install the package:</para> + +<screen><userinput remap="install">make RAISE_SETFCAP=no prefix=/usr install +chmod -v 755 /usr/lib/libcap.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/libcap.so.* /lib +ln -sfv ../../lib/$(readlink /usr/lib/libcap.so) /usr/lib/libcap.so</userinput></screen> + + </sect2> + + <sect2 id="contents-libcap" role="content"> + <title>Contents of Libcap</title> + + <segmentedlist> + <segtitle>Installed programs</segtitle> + <segtitle>Installed library</segtitle> + + <seglistitem> + <seg>capsh, getcap, getpcaps, and setcap</seg> + <seg>libcap.{a,so}</seg> + </seglistitem> + </segmentedlist> + + <variablelist> + <bridgehead renderas="sect3">Short Descriptions</bridgehead> + <?dbfo list-presentation="list"?> + <?dbhtml list-presentation="table"?> + + <varlistentry id="capsh"> + <term><command>capsh</command></term> + <listitem> + <para>A shell wrapper to explore and constrain capability support</para> + <indexterm zone="ch-system-libcap capsh"> + <primary sortas="b-capsh">capsh</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="getcap"> + <term><command>getcap</command></term> + <listitem> + <para>Examines file capabilities</para> + <indexterm zone="ch-system-libcap getcap"> + <primary sortas="b-getcap">getcap</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="getpcaps"> + <term><command>getpcaps</command></term> + <listitem> + <para>Displays the capabilities on the queried process(es)</para> + <indexterm zone="ch-system-libcap getpcaps"> + <primary sortas="b-getpcaps">getpcaps</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="libcap"> + <term><filename class="libraryfile">libcap</filename></term> + <listitem> + <para>Contains the libcap API functions</para> + <indexterm zone="ch-system-libcap libcap"> + <primary sortas="c-libcap">libcap</primary> + </indexterm> + </listitem> + </varlistentry> + + </variablelist> + + </sect2> + +</sect1> |