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  • Committer: teddy at recompile
  • Date: 2020-01-18 00:57:30 UTC
  • mto: This revision was merged to the branch mainline in revision 396.
  • Revision ID: teddy@recompile.se-20200118005730-rysosg44wz5gyxf8
DBUS-API: Order properties alphabetically

In the documentation for the D-Bus API, list the client object
properties in alphabetical order.

Show diffs side-by-side

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plugin-runner.xml
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<?xml version="1.0" encoding="UTF-8"?>
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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 VERSION "1.0">
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<!ENTITY COMMANDNAME "plugin-runner">
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<!ENTITY TIMESTAMP "2008-09-02">
 
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<!ENTITY TIMESTAMP "2019-07-26">
 
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<!ENTITY % common SYSTEM "common.ent">
 
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%common;
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]>
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
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    <title>Mandos Manual</title>
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    <!-- Nwalsh’s docbook scripts use this to generate the footer: -->
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    <productname>Mandos</productname>
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    <productnumber>&VERSION;</productnumber>
 
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    <productnumber>&version;</productnumber>
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    <date>&TIMESTAMP;</date>
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    <authorgroup>
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      <author>
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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>2008</year>
 
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      <year>2009</year>
 
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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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    <xi:include href="legalnotice.xml"/>
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  </refentryinfo>
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  <refmeta>
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    <refentrytitle>&COMMANDNAME;</refentrytitle>
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    <manvolnum>8mandos</manvolnum>
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  <refnamediv>
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    <refname><command>&COMMANDNAME;</command></refname>
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    <refpurpose>
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      Run Mandos plugins.  Pass data from first succesful one.
 
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      Run Mandos plugins, pass data from first to succeed.
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    </refpurpose>
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  </refnamediv>
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  <refsynopsisdiv>
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    <cmdsynopsis>
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      <command>&COMMANDNAME;</command>
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      <group rep="repeat">
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        <arg choice="plain"><option>--global-env=<replaceable
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        >VAR</replaceable><literal>=</literal><replaceable
 
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        >ENV</replaceable><literal>=</literal><replaceable
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        >value</replaceable></option></arg>
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        <arg choice="plain"><option>-G
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        <replaceable>VAR</replaceable><literal>=</literal><replaceable
 
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        <replaceable>ENV</replaceable><literal>=</literal><replaceable
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        >value</replaceable> </option></arg>
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      </group>
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      <sbr/>
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      <arg><option>--plugin-dir=<replaceable
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      >DIRECTORY</replaceable></option></arg>
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      <sbr/>
 
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      <arg><option>--plugin-helper-dir=<replaceable
 
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      >DIRECTORY</replaceable></option></arg>
 
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      <sbr/>
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      <arg><option>--config-file=<replaceable
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      >FILE</replaceable></option></arg>
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      <sbr/>
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    <title>DESCRIPTION</title>
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    <para>
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      <command>&COMMANDNAME;</command> is a program which is meant to
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      be specified as <quote>keyscript</quote> in <citerefentry>
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      <refentrytitle>crypttab</refentrytitle>
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      <manvolnum>5</manvolnum></citerefentry> for the root disk.  The
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      aim of this program is therefore to output a password, which
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      then <citerefentry><refentrytitle>cryptsetup</refentrytitle>
 
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      be specified as a <quote>keyscript</quote> for the root disk in
 
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      <citerefentry><refentrytitle>crypttab</refentrytitle>
 
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      <manvolnum>5</manvolnum></citerefentry>.  The aim of this
 
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      program is therefore to output a password, which then
 
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      <citerefentry><refentrytitle>cryptsetup</refentrytitle>
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      <manvolnum>8</manvolnum></citerefentry> will use to unlock the
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      root disk.
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    </para>
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    <variablelist>
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      <varlistentry>
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        <term><option>--global-env
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        <replaceable>VAR</replaceable><literal>=</literal><replaceable
 
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        <replaceable>ENV</replaceable><literal>=</literal><replaceable
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        >value</replaceable></option></term>
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        <term><option>-G
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        <replaceable>VAR</replaceable><literal>=</literal><replaceable
 
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        <replaceable>ENV</replaceable><literal>=</literal><replaceable
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        >value</replaceable></option></term>
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        <listitem>
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          <para>
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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>--disable
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        <replaceable>PLUGIN</replaceable></option></term>
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            Disable the plugin named
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            <replaceable>PLUGIN</replaceable>.  The plugin will not be
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            started.
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          </para>       
 
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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>--enable
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        <replaceable>PLUGIN</replaceable></option></term>
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            Re-enable the plugin named
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            <replaceable>PLUGIN</replaceable>.  This is only useful to
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            undo a previous <option>--disable</option> option, maybe
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            from the config file.
 
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            from the configuration file.
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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>--groupid
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        <replaceable>ID</replaceable></option></term>
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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>--userid
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        <replaceable>ID</replaceable></option></term>
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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>--plugin-dir
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        <replaceable>DIRECTORY</replaceable></option></term>
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      </varlistentry>
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      <varlistentry>
 
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        <term><option>--plugin-helper-dir
 
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        <replaceable>DIRECTORY</replaceable></option></term>
 
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        <listitem>
 
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          <para>
 
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            Specify a different plugin helper directory.  The default
 
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            is <filename>/lib/mandos/plugin-helpers</filename>, which
 
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            will exist in the initial <acronym>RAM</acronym> disk
 
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            environment.  (This will simply be passed to all plugins
 
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            via the <envar>MANDOSPLUGINHELPERDIR</envar> environment
 
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            variable.  See <xref linkend="writing_plugins"/>)
 
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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>--config-file
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        <replaceable>FILE</replaceable></option></term>
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        <listitem>
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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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      </varlistentry>
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    </variablelist>
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  </refsect1>
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  <refsect1 id="overview">
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    <title>OVERVIEW</title>
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    <xi:include href="overview.xml"/>
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      code will make this plugin-runner output the password from that
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      plugin, stop any other plugins, and exit.
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    </para>
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    <refsect2 id="writing_plugins">
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      <title>WRITING PLUGINS</title>
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      <para>
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        console.
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      </para>
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      <para>
 
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        If the password is a single-line, manually entered passprase,
 
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        a final trailing newline character should
 
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        <emphasis>not</emphasis> be printed.
 
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      </para>
 
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      <para>
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        The plugin will run in the initial RAM disk environment, so
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        care must be taken not to depend on any files or running
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        services not available there.
 
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        services not available there.  Any helper executables required
 
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        by the plugin (which are not in the <envar>PATH</envar>) can
 
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        be placed in the plugin helper directory, the name of which
 
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        will be made available to the plugin via the
 
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        <envar>MANDOSPLUGINHELPERDIR</envar> environment variable.
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      </para>
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      <para>
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        The plugin must exit cleanly and free all allocated resources
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      </para>
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      <para>
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        The plugin must not use resources, like for instance reading
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        from the standard input, without knowing that no other plugins
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        are also using it.
 
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        from the standard input, without knowing that no other plugin
 
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        is also using it.
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      </para>
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      <para>
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        It is useful, but not required, for the plugin to take the
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      only passes on its environment to all the plugins.  The
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      environment passed to plugins can be modified using the
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      <option>--global-env</option> and <option>--env-for</option>
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      optins.
 
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      options.  Also, the <option>--plugin-helper-dir</option> option
 
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      will affect the environment variable
 
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      <envar>MANDOSPLUGINHELPERDIR</envar> for the plugins.
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    </para>
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  </refsect1>
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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><filename class="directory"
 
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          >/lib/mandos/plugins.d</filename></term>
 
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          <listitem>
 
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            <para>
 
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              The default plugin directory; can be changed by the
 
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              <option>--plugin-dir</option> option.
 
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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><filename class="directory"
 
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          >/lib/mandos/plugin-helpers</filename></term>
 
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          <listitem>
 
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            <para>
 
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              The default plugin helper directory; can be changed by
 
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              the <option>--plugin-helper-dir</option> option.
 
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            </para>
 
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          </listitem>
 
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        </varlistentry>
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      </variablelist>
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    </para>
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  </refsect1>
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513
 
<!--   <refsect1 id="bugs"> -->
514
 
<!--     <title>BUGS</title> -->
515
 
<!--     <para> -->
516
 
<!--     </para> -->
517
 
<!--   </refsect1> -->
 
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  <refsect1 id="bugs">
 
575
    <title>BUGS</title>
 
576
    <para>
 
577
      The <option>--config-file</option> option is ignored when
 
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      specified from within a configuration file.
 
579
    </para>
 
580
    <xi:include href="bugs.xml"/>
 
581
  </refsect1>
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  <refsect1 id="examples">
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    <title>EXAMPLE</title>
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    </informalexample>
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    <informalexample>
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      <para>
565
 
        Run plugins from a different directory and add a special
566
 
        option to the <citerefentry><refentrytitle
567
 
        >password-request</refentrytitle>
 
629
        Read a different configuration file, run plugins from a
 
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        different directory, specify an alternate plugin helper
 
631
        directory and add four options to the
 
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        <citerefentry><refentrytitle >mandos-client</refentrytitle>
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        <manvolnum>8mandos</manvolnum></citerefentry> plugin:
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      </para>
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      <para>
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<!-- do not wrap this line -->
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<userinput>&COMMANDNAME;  --plugin-dir=plugins.d --options-for=password-request:--keydir=keydir</userinput>
 
638
<userinput>cd /etc/keys/mandos; &COMMANDNAME;  --config-file=/etc/mandos/plugin-runner.conf --plugin-dir /usr/lib/x86_64-linux-gnu/mandos/plugins.d --plugin-helper-dir /usr/lib/x86_64-linux-gnu/mandos/plugin-helpers --options-for=mandos-client:--pubkey=pubkey.txt,&#x200b;--seckey=seckey.txt,&#x200b;--tls-pubkey=tls-pubkey.pem,&#x200b;--tls-privkey=tls-privkey.pem</userinput>
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575
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      </para>
576
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    </informalexample>
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      non-privileged.  This user and group is then what all plugins
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      will be started as.  Therefore, the only way to run a plugin as
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      a privileged user is to have the set-user-ID or set-group-ID bit
587
 
      set on the plugin executable files (see <citerefentry>
 
652
      set on the plugin executable file (see <citerefentry>
588
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      <refentrytitle>execve</refentrytitle><manvolnum>2</manvolnum>
589
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      </citerefentry>).
590
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    </para>
591
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    <para>
592
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      If this program is used as a keyscript in <citerefentry
593
658
      ><refentrytitle>crypttab</refentrytitle><manvolnum>5</manvolnum>
594
 
      </citerefentry>, there is a risk that if this program fails to
595
 
      work, there might be no way to boot the system except for
596
 
      booting from another media and editing the initial RAM disk
 
659
      </citerefentry>, there is a slight risk that if this program
 
660
      fails to work, there might be no way to boot the system except
 
661
      for booting from another media and editing the initial RAM disk
597
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      image to not run this program.  This is, however, unlikely,
598
663
      since the <citerefentry><refentrytitle
599
664
      >password-prompt</refentrytitle><manvolnum>8mandos</manvolnum>
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673
  <refsect1 id="see_also">
609
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    <title>SEE ALSO</title>
610
675
    <para>
 
676
      <citerefentry><refentrytitle>intro</refentrytitle>
 
677
      <manvolnum>8mandos</manvolnum></citerefentry>,
611
678
      <citerefentry><refentrytitle>cryptsetup</refentrytitle>
612
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      <manvolnum>8</manvolnum></citerefentry>,
613
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      <citerefentry><refentrytitle>crypttab</refentrytitle>
618
685
      <manvolnum>8</manvolnum></citerefentry>,
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      <citerefentry><refentrytitle>password-prompt</refentrytitle>
620
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      <manvolnum>8mandos</manvolnum></citerefentry>,
621
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
 
688
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
622
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      <manvolnum>8mandos</manvolnum></citerefentry>
623
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    </para>
624
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  </refsect1>