source: postlfs/security/libcap.xml@ 56605b9

10.0 10.1 11.0 7.10 7.6 7.6-blfs 7.6-systemd 7.7 7.8 7.9 8.0 8.1 8.2 8.3 8.4 9.0 9.1 basic bdubbs/svn elogind gnome kde5-13430 kde5-14269 kde5-14686 ken/refactor-virt krejzi/svn lazarus nosym perl-modules qt5new systemd-11177 systemd-13485 trunk upgradedb xry111/git-date xry111/git-date-for-trunk xry111/git-date-test
Last change on this file since 56605b9 was 56605b9, checked in by Bruce Dubbs <bdubbs@…>, 8 years ago

Remove XML::Parser from perl modules
Archive acl, attr, intltool, expat, gperf
Synchronize libcap with LFS.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@13004 af4574ff-66df-0310-9fd7-8a98e5e911e0

  • Property mode set to 100644
File size: 6.1 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY libcap-download-http "https://www.kernel.org/pub/linux/libs/security/linux-privs/libcap2/libcap-&libcap-version;.tar.xz">
8 <!ENTITY libcap-download-ftp "ftp://ftp.kernel.org/pub/linux/libs/security/linux-privs/libcap2/libcap-&libcap-version;.tar.xz">
9 <!ENTITY libcap-md5sum "d43ab9f680435a7fff35b4ace8d45b80">
10 <!ENTITY libcap-size "62 KB">
11 <!ENTITY libcap-buildsize "1.5 MB">
12 <!ENTITY libcap-time "0.1 SBU">
13]>
14
15<sect1 id="libcap-pam" xreflabel="libcap-&libcap-version; with PAM">
16 <?dbhtml filename="libcap.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 </sect1info>
22
23 <title>libcap-&libcap-version; with PAM</title>
24
25 <indexterm zone="libcap-pam">
26 <primary sortas="a-libcap-pam">libcap</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to libcap with PAM</title>
31
32 <para>The <application>libcap</application> package was installed in
33 LFS, but if PAM support is desired, it needs to be reinstalled after
34 PAM is built.</para>
35 &lfs75_checked;
36
37 <bridgehead renderas="sect3">Package Information</bridgehead>
38 <itemizedlist spacing="compact">
39 <listitem>
40 <para>Download (HTTP): <ulink url="&libcap-download-http;"/></para>
41 </listitem>
42 <listitem>
43 <para>Download (FTP): <ulink url="&libcap-download-ftp;"/></para>
44 </listitem>
45 <listitem>
46 <para>Download MD5 sum: &libcap-md5sum;</para>
47 </listitem>
48 <listitem>
49 <para>Download size: &libcap-size;</para>
50 </listitem>
51 <listitem>
52 <para>Estimated disk space required: &libcap-buildsize;</para>
53 </listitem>
54 <listitem>
55 <para>Estimated build time: &libcap-time;</para>
56 </listitem>
57 </itemizedlist>
58
59 <bridgehead renderas="sect3">libcap Dependencies</bridgehead>
60
61 <bridgehead renderas="sect4">Required</bridgehead>
62 <para role="optional"><xref linkend="linux-pam"/></para>
63
64 <para condition="html" role="usernotes">User Notes:
65 <ulink url="&blfs-wiki;/libcap"/></para>
66
67 </sect2>
68
69 <sect2 role="installation">
70 <title>Installation of libcap</title>
71
72 <para>Install <application>libcap</application> by running the following
73 commands:</para>
74
75<screen><userinput>sed -i 's:LIBDIR:PAM_&amp;:g' pam_cap/Makefile &amp;&amp;
76make</userinput></screen>
77
78 <para>This package does not come with a test suite.</para>
79
80 <para>
81 If you want to disable installing the static library, use this sed:
82 </para>
83
84<screen><userinput>sed -i '/install.*STALIBNAME/ s/^/#/' libcap/Makefile</userinput></screen>
85
86 <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
87
88<screen role="root"><userinput>make prefix=/usr \
89 SBINDIR=/sbin \
90 PAM_LIBDIR=/lib \
91 RAISE_SETFCAP=no install</userinput></screen>
92
93 <para>
94 Still as the <systemitem class="username">root</systemitem> user,
95 clean up some library locations and permissions:
96 </para>
97
98<screen role="root"><userinput>chmod -v 755 /usr/lib/libcap.so &amp;&amp;
99mv -v /usr/lib/libcap.so.* /lib &amp;&amp;
100ln -sfv ../../lib/libcap.so.2 /usr/lib/libcap.so</userinput></screen>
101
102 </sect2>
103
104 <sect2 role="commands">
105 <title>Command Explanations</title>
106
107 <para>
108 <command>sed -i '...'</command>, <parameter>PAM_LIBDIR=/lib</parameter>:
109 These correct PAM module install location.
110 </para>
111
112 <para><parameter>RAISE_SETFCAP=no</parameter>: This parameter skips trying
113 to use <application>setcap</application> on itself. This avoids an installation
114 error if the kernel or file system do not support extended capabilities.</para>
115
116 </sect2>
117
118 <sect2 role="content">
119 <title>Contents</title>
120
121 <segmentedlist>
122 <segtitle>Installed Programs</segtitle>
123 <segtitle>Installed Library</segtitle>
124 <segtitle>Installed Directories</segtitle>
125
126 <seglistitem>
127 <seg>capsh, getcap, getpcaps, and setcap</seg>
128 <seg>libcap.{so,a}</seg>
129 <seg>None</seg>
130 </seglistitem>
131 </segmentedlist>
132
133 <variablelist>
134 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
135 <?dbfo list-presentation="list"?>
136 <?dbhtml list-presentation="table"?>
137
138 <varlistentry id="capsh">
139 <term><command>capsh</command></term>
140 <listitem>
141 <para>is a shell wrapper to explore and constrain capability support.</para>
142 <indexterm zone="libcap-pam capsh">
143 <primary sortas="b-capsh">capsh</primary>
144 </indexterm>
145 </listitem>
146 </varlistentry>
147
148 <varlistentry id="getcap">
149 <term><command>getcap</command></term>
150 <listitem>
151 <para>examines file capabilities.</para>
152 <indexterm zone="libcap-pam getcap">
153 <primary sortas="b-getcap">getcap</primary>
154 </indexterm>
155 </listitem>
156 </varlistentry>
157
158 <varlistentry id="getpcaps">
159 <term><command>getpcaps</command></term>
160 <listitem>
161 <para>displays the capabilities on the queried process(es).</para>
162 <indexterm zone="libcap-pam getpcaps">
163 <primary sortas="b-getpcaps">getpcaps</primary>
164 </indexterm>
165 </listitem>
166 </varlistentry>
167
168 <varlistentry id="setcap">
169 <term><command>setcap</command></term>
170 <listitem>
171 <para>sets file file capabilities.</para>
172 <indexterm zone="libcap-pam setcap">
173 <primary sortas="b-setcap">setcap</primary>
174 </indexterm>
175 </listitem>
176 </varlistentry>
177
178 <varlistentry id="libcap-lib">
179 <term><filename class='libraryfile'>libcap.{so,a}</filename></term>
180 <listitem>
181 <para>contains the <application>libcap</application> API functions.</para>
182 <indexterm zone="libcap-pam libcap-lib">
183 <primary sortas="c-libcap">libcap.{so,a}</primary>
184 </indexterm>
185 </listitem>
186 </varlistentry>
187
188 </variablelist>
189
190 </sect2>
191
192</sect1>
Note: See TracBrowser for help on using the repository browser.