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Viewing changes to plugins.d/plymouth.xml

  • Committer: teddy at recompile
  • Date: 2020-02-09 03:38:33 UTC
  • Revision ID: teddy@recompile.se-20200209033833-2la1pujrnv2m0so4
Use reallocarray() if available, or check for overflow

* dracut-module/password-agent.c (add_to_queue): Check for overflow.
  (test_add_to_queue_overflow): New test.
* plugin-runner.c (add_to_char_array, main): Use reallocarray().
* plugins.d/plymouth.c (exec_and_wait): - '' -

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY COMMANDNAME "plymouth">
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<!ENTITY TIMESTAMP "2011-08-08">
 
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<!ENTITY TIMESTAMP "2019-07-27">
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<!ENTITY % common SYSTEM "../common.ent">
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%common;
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]>
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        <firstname>Björn</firstname>
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        <surname>Påhlsson</surname>
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        <address>
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          <email>belorn@fukt.bsnet.se</email>
 
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          <email>belorn@recompile.se</email>
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        </address>
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      </author>
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      <author>
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        <firstname>Teddy</firstname>
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        <surname>Hogeborn</surname>
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        <address>
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          <email>teddy@fukt.bsnet.se</email>
 
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          <email>teddy@recompile.se</email>
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        </address>
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      </author>
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    </authorgroup>
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    <copyright>
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      <year>2010</year>
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      <year>2011</year>
 
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      <year>2012</year>
 
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      <year>2013</year>
 
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      <year>2014</year>
 
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      <year>2015</year>
 
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      <year>2016</year>
 
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      <year>2017</year>
 
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      <year>2018</year>
 
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      <year>2019</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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  <refsynopsisdiv>
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    <cmdsynopsis>
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      <command>&COMMANDNAME;</command>
 
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      <arg choice="opt">
 
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        <option>--prompt <replaceable>PROMPT</replaceable></option>
 
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      </arg>
 
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      <arg><option>--debug</option></arg>
 
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    </cmdsynopsis>
 
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    <cmdsynopsis>
 
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      <command>&COMMANDNAME;</command>
 
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      <group choice="req">
 
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        <arg choice="plain"><option>--help</option></arg>
 
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        <arg choice="plain"><option>-?</option></arg>
 
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      </group>
 
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    </cmdsynopsis>
 
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    <cmdsynopsis>
 
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      <command>&COMMANDNAME;</command>
 
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      <arg choice="plain"><option>--usage</option></arg>
 
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    </cmdsynopsis>
 
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    <cmdsynopsis>
 
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      <command>&COMMANDNAME;</command>
 
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      <group choice="req">
 
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        <arg choice="plain"><option>--version</option></arg>
 
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        <arg choice="plain"><option>-V</option></arg>
 
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      </group>
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    </cmdsynopsis>
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  </refsynopsisdiv>
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  <refsect1 id="options">
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    <title>OPTIONS</title>
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    <para>
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      This program takes no options.
 
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      This program is commonly not invoked from the command line; it
 
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      is normally started by the <application>Mandos</application>
 
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      plugin runner, see <citerefentry><refentrytitle
 
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      >plugin-runner</refentrytitle><manvolnum>8mandos</manvolnum>
 
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      </citerefentry>.  Any command line options this program accepts
 
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      are therefore normally provided by the plugin runner, and not
 
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      directly.
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    </para>
 
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    <variablelist>
 
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      <varlistentry>
 
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        <term><option>--prompt=<replaceable
 
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        >PROMPT</replaceable></option></term>
 
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        <listitem>
 
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          <para>
 
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            The password prompt.  Note that using this option will
 
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            make this program ignore the <envar>cryptsource</envar>
 
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            and <envar>crypttarget</envar> environment variables.
 
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          </para>
 
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        </listitem>
 
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      </varlistentry>
 
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      <varlistentry>
 
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        <term><option>--debug</option></term>
 
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        <listitem>
 
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          <para>
 
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            Enable debug mode.  This will enable a lot of output to
 
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            standard error about what the program is doing.  The
 
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            program will still perform all other functions normally.
 
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          </para>
 
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        </listitem>
 
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      </varlistentry>
 
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      <varlistentry>
 
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        <term><option>--help</option></term>
 
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        <term><option>-?</option></term>
 
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        <listitem>
 
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          <para>
 
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            Gives a help message about options and their meanings.
 
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          </para>
 
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        </listitem>
 
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      </varlistentry>
 
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      <varlistentry>
 
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        <term><option>--usage</option></term>
 
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        <listitem>
 
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          <para>
 
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            Gives a short usage message.
 
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          </para>
 
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        </listitem>
 
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      </varlistentry>
 
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      <varlistentry>
 
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        <term><option>--version</option></term>
 
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        <term><option>-V</option></term>
 
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        <listitem>
 
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          <para>
 
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            Prints the program version.
 
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          </para>
 
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        </listitem>
 
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      </varlistentry>
 
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    </variablelist>
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  </refsect1>
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  <refsect1 id="exit_status">
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        <term><envar>crypttarget</envar></term>
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        <listitem>
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          <para>
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            If set, these environment variables will be assumed to
 
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            If set, and if the <option>--prompt</option> option is not
 
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            used, these environment variables will be assumed to
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            contain the source device name and the target device
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            mapper name, respectively, and will be shown as part of
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            the prompt.
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        <para>
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          These variables will normally be inherited from
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          <citerefentry><refentrytitle>plugin-runner</refentrytitle>
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          <manvolnum>8mandos</manvolnum></citerefentry>, which will
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          normally have inherited them from
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          <filename>/scripts/local-top/cryptroot</filename> in the
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          initial <acronym>RAM</acronym> disk environment, which will
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          have set them from parsing kernel arguments and
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          <filename>/conf/conf.d/cryptroot</filename> (also in the
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          initial RAM disk environment), which in turn will have been
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          created when the initial RAM disk image was created by
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          <filename
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          >/usr/share/initramfs-tools/hooks/cryptroot</filename>, by
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          extracting the information of the root file system from
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          <filename >/etc/crypttab</filename>.
 
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          <manvolnum>8mandos</manvolnum></citerefentry>, which might
 
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          have in turn inherited them from its calling process.
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        </para>
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        <para>
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          This behavior is meant to exactly mirror the behavior of
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          <command>askpass</command>, the default password prompter.
 
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          <command>askpass</command>, the default password prompter
 
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          from initramfs-tools.
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        </para>
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        </listitem>
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      </varlistentry>
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        </listitem>
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      </varlistentry>
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      <varlistentry>
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        <term><filename>/proc</filename></term>
 
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        <term><filename class="directory">/proc</filename></term>
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        <listitem>
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          <para>
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            To find the running <citerefentry><refentrytitle
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      daemon and starting a new one is ugly, but necessary as long as
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      it does not support aborting a password request.
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    </para>
 
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    <xi:include href="../bugs.xml"/>
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  </refsect1>
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  <refsect1 id="example">
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    </para>
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    <informalexample>
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      <para>
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        This program takes no options.
 
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        Normal invocation needs no options:
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      </para>
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      <para>
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        <userinput>&COMMANDNAME;</userinput>
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      </para>
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    </informalexample>
 
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    <informalexample>
 
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      <para>
 
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        Show a different prompt.
 
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      </para>
 
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      <para>
 
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        <userinput>&COMMANDNAME; --prompt=Password</userinput>
 
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      </para>
 
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    </informalexample>
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  </refsect1>
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  <refsect1 id="security">
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    <para>
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      <citerefentry><refentrytitle>intro</refentrytitle>
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      <manvolnum>8mandos</manvolnum></citerefentry>,
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      <citerefentry><refentrytitle>crypttab</refentrytitle>
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      <manvolnum>5</manvolnum></citerefentry>,
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      <citerefentry><refentrytitle>plugin-runner</refentrytitle>
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      <manvolnum>8mandos</manvolnum></citerefentry>,
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      <citerefentry><refentrytitle>proc</refentrytitle>