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-rw-r--r--chapter08/chapter08.xml1
-rw-r--r--chapter08/glibc.xml13
-rw-r--r--chapter08/libxcrypt.xml148
3 files changed, 151 insertions, 11 deletions
diff --git a/chapter08/chapter08.xml b/chapter08/chapter08.xml
index 605d26782..e97ae7057 100644
--- a/chapter08/chapter08.xml
+++ b/chapter08/chapter08.xml
@@ -36,6 +36,7 @@
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="attr.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="acl.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="libcap.xml"/>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="libxcrypt.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="shadow.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="gcc.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="pkgconf.xml"/>
diff --git a/chapter08/glibc.xml b/chapter08/glibc.xml
index a44e285c9..4245b0ff4 100644
--- a/chapter08/glibc.xml
+++ b/chapter08/glibc.xml
@@ -79,6 +79,7 @@ cd build</userinput></screen>
--enable-kernel=&min-kernel; \
--enable-stack-protector=strong \
--with-headers=/usr/include \
+ --disable-crypt \
libc_cv_slibdir=/usr/lib</userinput></screen>
<variablelist>
@@ -489,7 +490,7 @@ mkdir -pv /etc/ld.so.conf.d</userinput></screen>
<seg>ld-linux-x86-64.so.2, ld-linux.so.2,
libBrokenLocale.{a,so}, libanl.{a,so},
libc.{a,so}, libc_nonshared.a, libc_malloc_debug.so,
- libcrypt.{a,so}, libdl.{a,so.2}, libg.a, libm.{a,so},
+ libdl.{a,so.2}, libg.a, libm.{a,so},
libmcheck.a, libmemusage.so, libmvec.{a,so}, libnsl.so.1,
libnss_compat.so, libnss_dns.so, libnss_files.so, libnss_hesiod.so,
libpcprofile.so, libpthread.{a,so.0},
@@ -795,16 +796,6 @@ mkdir -pv /etc/ld.so.conf.d</userinput></screen>
</listitem>
</varlistentry>
- <varlistentry id="libcrypt">
- <term><filename class="libraryfile">libcrypt</filename></term>
- <listitem>
- <para>The cryptography library</para>
- <indexterm zone="ch-system-glibc libcrypt">
- <primary sortas="c-libcrypt">libcrypt</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
<varlistentry id="libdl">
<term><filename class="libraryfile">libdl</filename></term>
<listitem>
diff --git a/chapter08/libxcrypt.xml b/chapter08/libxcrypt.xml
new file mode 100644
index 000000000..c65d7db29
--- /dev/null
+++ b/chapter08/libxcrypt.xml
@@ -0,0 +1,148 @@
+<?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-libxcrypt" role="wrap">
+ <?dbhtml filename="libxcrypt.html"?>
+
+ <sect1info condition="script">
+ <productname>libxcrypt</productname>
+ <productnumber>&libxcrypt-version;</productnumber>
+ <address>&libxcrypt-url;</address>
+ </sect1info>
+
+ <title>Libxcrypt-&libxcrypt-version;</title>
+
+ <indexterm zone="ch-system-libxcrypt">
+ <primary sortas="a-Libxcrypt">Libxcrypt</primary>
+ </indexterm>
+
+ <sect2 role="package">
+ <title/>
+
+ <para>The Libxcrypt package contains a modern library for one-way
+ hashing of passwords.</para>
+
+ <segmentedlist>
+ <segtitle>&buildtime;</segtitle>
+ <segtitle>&diskspace;</segtitle>
+
+ <seglistitem>
+ <seg>&libxcrypt-fin-sbu;</seg>
+ <seg>&libxcrypt-fin-du;</seg>
+ </seglistitem>
+ </segmentedlist>
+
+ </sect2>
+
+ <sect2 role="installation">
+ <title>Installation of Libxcrypt</title>
+
+ <para>Prepare Libxcrypt for compilation:</para>
+
+<screen><userinput remap="configure">./configure --prefix=/usr \
+ --enable-hashes=strong,glibc \
+ --enable-obsolete-api=no \
+ --disable-static \
+ --disable-failure-tokens</userinput></screen>
+
+ <variablelist>
+ <title>The meaning of the new configure options:</title>
+
+ <varlistentry>
+ <term><parameter>--enable-hashes=strong,glibc</parameter></term>
+ <listitem>
+ <para>Build strong hash algorithms recommended for security use
+ cases, and the hash algorithms provided by traditional Glibc
+ <systemitem class='library'>libcrypt</systemitem> for
+ compatibility.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><parameter>--enable-obsolete-api=no</parameter></term>
+ <listitem>
+ <para>Disable obsolete API functions. They are not needed for
+ a modern Linux system built from source.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><parameter>--disable-failure-tokens</parameter></term>
+ <listitem>
+ <para>Disable failure token feature. It's needed for
+ compatibility with the traditional hash libraries of some
+ platforms, but a Linux system based on Glibc does not need
+ it.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>Compile the package:</para>
+
+<screen><userinput remap="make">make</userinput></screen>
+
+ <para>To test the results, issue:</para>
+
+<screen><userinput remap="test">make check</userinput></screen>
+
+ <para>Install the package:</para>
+
+<screen><userinput remap="install">make install</userinput></screen>
+
+ <note>
+
+ <para>The instructions above disabled obsolete API functions since
+ no package installed by compiling from sources would link against
+ them at runtime. However, the only known binary-only applications
+ that link against these functions require ABI version 1. If you must
+ have such libraries because of some binary-only application or to be
+ to be compliant with LSB, build the package again with the following
+ commands:</para>
+
+<screen><userinput remap="nodump">make distclean
+./configure --prefix=/usr \
+ --enable-hashes=strong,glibc \
+ --enable-obsolete-api=glibc \
+ --disable-static \
+ --disable-failure-tokens
+make
+cp -av .libs/libcrypt.so.1* /usr/lib</userinput></screen>
+ </note>
+
+ </sect2>
+
+ <sect2 id="contents-libxcrypt" role="content">
+ <title>Contents of Libxcrypt</title>
+
+ <segmentedlist>
+ <segtitle>Installed libraries</segtitle>
+
+ <seglistitem>
+ <seg>libcrypt.so</seg>
+ </seglistitem>
+ </segmentedlist>
+
+ <variablelist>
+ <bridgehead renderas="sect3">Short Descriptions</bridgehead>
+ <?dbfo list-presentation="list"?>
+ <?dbhtml list-presentation="table"?>
+
+ <varlistentry id="libcrypt">
+ <term><filename class="libraryfile">libcrypt</filename></term>
+ <listitem>
+ <para>Contains functions to hash passwords</para>
+ <indexterm zone="ch-system-libxcrypt libcrypt">
+ <primary sortas="c-libcrypt">libcrypt</primary>
+ </indexterm>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+
+ </sect2>
+
+</sect1>