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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3244 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
63 lines
1.9 KiB
XML
63 lines
1.9 KiB
XML
<sect1 id="ch-system-ed" xreflabel="Ed">
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<title>Installing Ed-&ed-version;</title>
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<?dbhtml filename="ed.html" dir="chapter06"?>
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<para>The Ed package contains a spartan line editor.</para>
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<screen>&buildtime; &ed-time;
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&diskspace; &ed-compsize;</screen>
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&aa-ed-down;
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&aa-ed-dep;
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<sect2><title> </title><para> </para></sect2>
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<sect2>
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<title>Installation of Ed</title>
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<note><para>Ed isn't something which many people use. It's installed here
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because it can be used by the patch program if you encounter an ed-based patch
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file. This happens rarely because diff-based patches are preferred these
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days.</para></note>
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<para>Ed normally uses the <emphasis>mktemp</emphasis> function to create
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temporary files in <filename class="directory">/tmp</filename>, but this
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function contains a vulnerability (see the section on Temporary Files in <ulink
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url="http://en.tldp.org/HOWTO/Secure-Programs-HOWTO/avoid-race.html"/>). Apply
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the following patch to make Ed use <emphasis>mkstemp</emphasis> instead, a
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secure way to create temporary files:</para>
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<screen><userinput>patch -Np1 -i ../&ed-patch;</userinput></screen>
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<para>Now prepare Ed for compilation:</para>
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<screen><userinput>./configure --prefix=/usr --exec-prefix=""</userinput></screen>
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<para>The meaning of the configure option:</para>
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<itemizedlist>
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<listitem><para><userinput>--exec-prefix=""</userinput>: This forces the
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programs to be installed into the <filename>/bin</filename> directory. Having
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the programs available there is useful in the event of the
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<filename>/usr</filename> partition being unavailable.</para></listitem>
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</itemizedlist>
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<para>Compile the package:</para>
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<screen><userinput>make</userinput></screen>
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<para>To have the results tested, issue:
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<userinput>make check</userinput>.</para>
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<para>Install the package:</para>
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<screen><userinput>make install</userinput></screen>
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</sect2>
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&aa-ed-shortdesc;
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&aa-ed-desc;
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</sect1>
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