/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk
129 by Teddy Hogeborn
* mandos-clients.conf.xml: Changed all single quotes to double quotes
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<?xml version="1.0" encoding="UTF-8"?>
24.1.23 by Björn Påhlsson
Added manual pages for:
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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">
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
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<!ENTITY COMMANDNAME "plugin-runner">
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
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<!ENTITY TIMESTAMP "2008-09-06">
24.1.23 by Björn Påhlsson
Added manual pages for:
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]>
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131 by Teddy Hogeborn
* Makefile: Make all DocBook rules include legalnotice.xml as a
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
24.1.23 by Björn Påhlsson
Added manual pages for:
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  <refentryinfo>
112 by Teddy Hogeborn
* mandos-clients.conf.xml (/refentry/refentryinfo/title): Changed to
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    <title>Mandos Manual</title>
129 by Teddy Hogeborn
* mandos-clients.conf.xml: Changed all single quotes to double quotes
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    <!-- Nwalsh’s docbook scripts use this to generate the footer: -->
112 by Teddy Hogeborn
* mandos-clients.conf.xml (/refentry/refentryinfo/title): Changed to
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    <productname>Mandos</productname>
24.1.23 by Björn Påhlsson
Added manual pages for:
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    <productnumber>&VERSION;</productnumber>
111 by Teddy Hogeborn
* mandos-clients.conf.xml (ENTITY TIMESTAMP): New. Automatically
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    <date>&TIMESTAMP;</date>
24.1.23 by Björn Påhlsson
Added manual pages for:
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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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	</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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	</address>
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      </author>
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    </authorgroup>
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    <copyright>
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      <year>2008</year>
128 by Teddy Hogeborn
* plugin-runner.xml (/refentry/refentryinfo/copyright): Split
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
24.1.23 by Björn Påhlsson
Added manual pages for:
36
    </copyright>
131 by Teddy Hogeborn
* Makefile: Make all DocBook rules include legalnotice.xml as a
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    <xi:include href="legalnotice.xml"/>
24.1.23 by Björn Påhlsson
Added manual pages for:
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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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  </refmeta>
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45
  <refnamediv>
46
    <refname><command>&COMMANDNAME;</command></refname>
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    <refpurpose>
156 by Teddy Hogeborn
* mandos-clients.conf.xml (OPTIONS): Improved spelling.
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      Run Mandos plugins, pass data from first to succeed.
24.1.23 by Björn Påhlsson
Added manual pages for:
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    </refpurpose>
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  </refnamediv>
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52
  <refsynopsisdiv>
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    <cmdsynopsis>
54
      <command>&COMMANDNAME;</command>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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      <group rep="repeat">
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
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	<arg choice="plain"><option>--global-env=<replaceable
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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	>VAR</replaceable><literal>=</literal><replaceable
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	>value</replaceable></option></arg>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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	<arg choice="plain"><option>-G
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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	<replaceable>VAR</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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      <group rep="repeat">
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
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	<arg choice="plain"><option>--env-for=<replaceable
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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	>PLUGIN</replaceable><literal>:</literal><replaceable
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	>ENV</replaceable><literal>=</literal><replaceable
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	>value</replaceable></option></arg>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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	<arg choice="plain"><option>-E<replaceable>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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	PLUGIN</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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      </group>
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      <sbr/>
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      <group rep="repeat">
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	<arg choice="plain"><option>--global-options=<replaceable
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	>OPTIONS</replaceable></option></arg>
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	<arg choice="plain"><option>-g<replaceable>
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	OPTIONS</replaceable> </option></arg>
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      </group>
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      <sbr/>
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      <group rep="repeat">
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	<arg choice="plain"><option>--options-for=<replaceable
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	>PLUGIN</replaceable><literal>:</literal><replaceable
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	>OPTIONS</replaceable></option></arg>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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	<arg choice="plain"><option>-o<replaceable>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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	PLUGIN</replaceable><literal>:</literal><replaceable
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	>OPTIONS</replaceable> </option></arg>
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      </group>
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      <sbr/>
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      <group rep="repeat">
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	<arg choice="plain"><option>--disable=<replaceable
93
	>PLUGIN</replaceable></option></arg>
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	<arg choice="plain"><option>-d
95
	<replaceable>PLUGIN</replaceable> </option></arg>
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      </group>
97
      <sbr/>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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      <group rep="repeat">
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	<arg choice="plain"><option>--enable=<replaceable
100
	>PLUGIN</replaceable></option></arg>
101
	<arg choice="plain"><option>-e
102
	<replaceable>PLUGIN</replaceable> </option></arg>
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      </group>
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      <sbr/>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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      <arg><option>--groupid=<replaceable
106
      >ID</replaceable></option></arg>
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      <sbr/>
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      <arg><option>--userid=<replaceable
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      >ID</replaceable></option></arg>
110
      <sbr/>
111
      <arg><option>--plugin-dir=<replaceable
112
      >DIRECTORY</replaceable></option></arg>
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      <sbr/>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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      <arg><option>--config-file=<replaceable
115
      >FILE</replaceable></option></arg>
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      <sbr/>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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      <arg><option>--debug</option></arg>
118
    </cmdsynopsis>
119
    <cmdsynopsis>
120
      <command>&COMMANDNAME;</command>
121
      <group choice="req">
129 by Teddy Hogeborn
* mandos-clients.conf.xml: Changed all single quotes to double quotes
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	<arg choice="plain"><option>--help</option></arg>
123
	<arg choice="plain"><option>-?</option></arg>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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      </group>
125
    </cmdsynopsis>
126
    <cmdsynopsis>
127
      <command>&COMMANDNAME;</command>
129 by Teddy Hogeborn
* mandos-clients.conf.xml: Changed all single quotes to double quotes
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      <arg choice="plain"><option>--usage</option></arg>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
129
    </cmdsynopsis>
130
    <cmdsynopsis>
131
      <command>&COMMANDNAME;</command>
132
      <group choice="req">
129 by Teddy Hogeborn
* mandos-clients.conf.xml: Changed all single quotes to double quotes
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	<arg choice="plain"><option>--version</option></arg>
134
	<arg choice="plain"><option>-V</option></arg>
121 by Teddy Hogeborn
* plugin-runner.xml (NAME): Improved wording.
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      </group>
118 by Teddy Hogeborn
* mandos-keygen.xml (SYNOPSIS): Fixed tags. Unify short and long
136
    </cmdsynopsis>
24.1.23 by Björn Påhlsson
Added manual pages for:
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  </refsynopsisdiv>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
138
  
24.1.23 by Björn Påhlsson
Added manual pages for:
139
  <refsect1 id="description">
140
    <title>DESCRIPTION</title>
141
    <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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      <command>&COMMANDNAME;</command> is a program which is meant to
155 by Teddy Hogeborn
* README: Improved wording.
143
      be specified as a <quote>keyscript</quote> for the root disk in
144
      <citerefentry><refentrytitle>crypttab</refentrytitle>
145
      <manvolnum>5</manvolnum></citerefentry>.  The aim of this
146
      program is therefore to output a password, which then
147
      <citerefentry><refentrytitle>cryptsetup</refentrytitle>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
148
      <manvolnum>8</manvolnum></citerefentry> will use to unlock the
149
      root disk.
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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    </para>
151
    <para>
152
      This program is not meant to be invoked directly, but can be in
153
      order to test it.  Note that any password obtained will simply
154
      be output on standard output.
155
    </para>
156
  </refsect1>
157
  
158
  <refsect1 id="purpose">
159
    <title>PURPOSE</title>
160
    <para>
161
      The purpose of this is to enable <emphasis>remote and unattended
162
      rebooting</emphasis> of client host computer with an
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      <emphasis>encrypted root file system</emphasis>.  See <xref
164
      linkend="overview"/> for details.
165
    </para>
166
  </refsect1>
167
  
24.1.38 by Björn Påhlsson
changed description to better fit role
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  <refsect1>
169
    <title>OPTIONS</title>
24.1.23 by Björn Påhlsson
Added manual pages for:
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    <variablelist>
171
      <varlistentry>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
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	<term><option>--global-env
173
	<replaceable>VAR</replaceable><literal>=</literal><replaceable
174
	>value</replaceable></option></term>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
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	<term><option>-G
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
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	<replaceable>VAR</replaceable><literal>=</literal><replaceable
177
	>value</replaceable></option></term>
178
	<listitem>
179
	  <para>
136 by Teddy Hogeborn
* plugin-runner.c (add_environment): Override existing environment
180
	    This option will add an environment variable setting to
181
	    all plugins.  This will override any inherited environment
182
	    variable.
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
183
	  </para>
184
	</listitem>
185
      </varlistentry>
186
      
187
      <varlistentry>
188
	<term><option>--env-for
189
	<replaceable>PLUGIN</replaceable><literal>:</literal
190
	><replaceable>ENV</replaceable><literal>=</literal
191
	><replaceable>value</replaceable></option></term>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
192
	<term><option>-E
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
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	<replaceable>PLUGIN</replaceable><literal>:</literal
194
	><replaceable>ENV</replaceable><literal>=</literal
195
	><replaceable>value</replaceable></option></term>
196
	<listitem>
197
	  <para>
136 by Teddy Hogeborn
* plugin-runner.c (add_environment): Override existing environment
198
	    This option will add an environment variable setting to
199
	    the <replaceable>PLUGIN</replaceable> plugin.  This will
200
	    override any inherited environment variables or
201
	    environment variables specified using
202
	    <option>--global-env</option>.
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
203
	  </para>
204
	</listitem>
205
      </varlistentry>
206
      
207
      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--global-options
209
	<replaceable>OPTIONS</replaceable></option></term>
210
	<term><option>-g
211
	<replaceable>OPTIONS</replaceable></option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
213
	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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	    Pass some options to <emphasis>all</emphasis> plugins.
215
	    <replaceable>OPTIONS</replaceable> is a comma separated
216
	    list of options.  This is not a very useful option, except
217
	    for specifying the <quote><option>--debug</option></quote>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
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	    option to all plugins.
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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	  </para>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	</listitem>
221
      </varlistentry>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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24.1.23 by Björn Påhlsson
Added manual pages for:
223
      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--options-for
225
	<replaceable>PLUGIN</replaceable><literal>:</literal
226
	><replaceable>OPTION</replaceable></option></term>
227
	<term><option>-o
228
	<replaceable>PLUGIN</replaceable><literal>:</literal
229
	><replaceable>OPTION</replaceable></option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
231
	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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	    Pass some options to a specific plugin.  <replaceable
233
	    >PLUGIN</replaceable> is the name (file basename) of a
234
	    plugin, and <replaceable>OPTIONS</replaceable> is a comma
235
	    separated list of options.
236
	  </para>
237
	  <para>
238
	    Note that since options are not split on whitespace, the
239
	    way to pass, to the plugin
240
	    <quote><filename>foo</filename></quote>, the option
241
	    <option>--bar</option> with the option argument
242
	    <quote>baz</quote> is either
243
	    <userinput>--options-for=foo:--bar=baz</userinput> or
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
244
	    <userinput>--options-for=foo:--bar,baz</userinput>.  Using
245
	    <userinput>--options-for="foo:--bar baz"</userinput>. will
246
	    <emphasis>not</emphasis> work.
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
247
	  </para>
24.1.23 by Björn Påhlsson
Added manual pages for:
248
	</listitem>
118 by Teddy Hogeborn
* mandos-keygen.xml (SYNOPSIS): Fixed tags. Unify short and long
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      </varlistentry>
24.1.23 by Björn Påhlsson
Added manual pages for:
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      <varlistentry>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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	<term><option>--disable
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<replaceable>PLUGIN</replaceable></option></term>
254
	<term><option>-d
255
	<replaceable>PLUGIN</replaceable></option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
257
	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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	    Disable the plugin named
259
	    <replaceable>PLUGIN</replaceable>.  The plugin will not be
260
	    started.
118 by Teddy Hogeborn
* mandos-keygen.xml (SYNOPSIS): Fixed tags. Unify short and long
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	  </para>	
24.1.23 by Björn Påhlsson
Added manual pages for:
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	</listitem>
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      </varlistentry>
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      <varlistentry>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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	<term><option>--enable
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	<replaceable>PLUGIN</replaceable></option></term>
268
	<term><option>-e
269
	<replaceable>PLUGIN</replaceable></option></term>
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	<listitem>
271
	  <para>
272
	    Re-enable the plugin named
273
	    <replaceable>PLUGIN</replaceable>.  This is only useful to
274
	    undo a previous <option>--disable</option> option, maybe
156 by Teddy Hogeborn
* mandos-clients.conf.xml (OPTIONS): Improved spelling.
275
	    from the configuration file.
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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	  </para>
277
	</listitem>
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      </varlistentry>
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280
      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--groupid
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	<replaceable>ID</replaceable></option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
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	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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	    Change to group ID <replaceable>ID</replaceable> on
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	    startup.  The default is 65534.  All plugins will be
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	    started using this group ID.  <emphasis>Note:</emphasis>
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	    This must be a number, not a name.
24.1.23 by Björn Påhlsson
Added manual pages for:
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	  </para>
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	</listitem>
118 by Teddy Hogeborn
* mandos-keygen.xml (SYNOPSIS): Fixed tags. Unify short and long
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      </varlistentry>
24.1.23 by Björn Påhlsson
Added manual pages for:
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      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--userid
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	<replaceable>ID</replaceable></option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
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	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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	    Change to user ID <replaceable>ID</replaceable> on
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	    startup.  The default is 65534.  All plugins will be
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	    started using this user ID.  <emphasis>Note:</emphasis>
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	    This must be a number, not a name.
24.1.23 by Björn Påhlsson
Added manual pages for:
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	  </para>
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	</listitem>
118 by Teddy Hogeborn
* mandos-keygen.xml (SYNOPSIS): Fixed tags. Unify short and long
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      </varlistentry>
24.1.23 by Björn Påhlsson
Added manual pages for:
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      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--plugin-dir
308
	<replaceable>DIRECTORY</replaceable></option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
310
	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
311
	    Specify a different plugin directory.  The default is
312
	    <filename>/lib/mandos/plugins.d</filename>, which will
313
	    exist in the initial <acronym>RAM</acronym> disk
314
	    environment.
24.1.23 by Björn Påhlsson
Added manual pages for:
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	  </para>
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	</listitem>
118 by Teddy Hogeborn
* mandos-keygen.xml (SYNOPSIS): Fixed tags. Unify short and long
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      </varlistentry>
24.1.23 by Björn Påhlsson
Added manual pages for:
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      <varlistentry>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
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	<term><option>--config-file
321
	<replaceable>FILE</replaceable></option></term>
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	<listitem>
323
	  <para>
324
	    Specify a different file to read additional options from.
325
	    See <xref linkend="files"/>.  Other command line options
326
	    will override options specified in the file.
327
	  </para>
328
	</listitem>
329
      </varlistentry>
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      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--debug</option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
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	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
335
	    Enable debug mode.  This will enable a lot of output to
336
	    standard error about what the program is doing.  The
337
	    program will still perform all other functions normally.
338
	    The default is to <emphasis>not</emphasis> run in debug
339
	    mode.
340
	  </para>
341
	  <para>
342
	    The plugins will <emphasis>not</emphasis> be affected by
343
	    this option.  Use
344
	    <userinput><option>--global-options=--debug</option></userinput>
345
	    if complete debugging eruption is desired.
24.1.23 by Björn Påhlsson
Added manual pages for:
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	  </para>
347
	</listitem>
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      </varlistentry>
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      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--help</option></term>
352
	<term><option>-?</option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
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	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
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	    Gives a help message about options and their meanings.
24.1.23 by Björn Påhlsson
Added manual pages for:
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	  </para>
357
	</listitem>
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      </varlistentry>
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      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
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	<term><option>--usage</option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
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	<listitem>
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	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
364
	    Gives a short usage message.
24.1.23 by Björn Påhlsson
Added manual pages for:
365
	  </para>
366
	</listitem>
367
      </varlistentry>
368
369
      <varlistentry>
125 by Teddy Hogeborn
* plugin-runner.xml (OPTIONS): Use <option> tags instead of
370
	<term><option>--version</option></term>
371
	<term><option>-V</option></term>
24.1.23 by Björn Påhlsson
Added manual pages for:
372
	<listitem>
373
	  <para>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
374
	    Prints the program version.
24.1.23 by Björn Påhlsson
Added manual pages for:
375
	  </para>
376
	</listitem>
118 by Teddy Hogeborn
* mandos-keygen.xml (SYNOPSIS): Fixed tags. Unify short and long
377
      </varlistentry>
24.1.23 by Björn Påhlsson
Added manual pages for:
378
    </variablelist>
379
  </refsect1>
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
380
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
381
  <refsect1 id="overview">
382
    <title>OVERVIEW</title>
383
    <xi:include href="overview.xml"/>
384
    <para>
385
      This program will run on the client side in the initial
386
      <acronym>RAM</acronym> disk environment, and is responsible for
387
      getting a password.  It does this by running plugins, one of
388
      which will normally be the actual client program communicating
389
      with the server.
390
    </para>
391
  </refsect1>
392
  <refsect1 id="plugins">
393
    <title>PLUGINS</title>
394
    <para>
395
      This program will get a password by running a number of
396
      <firstterm>plugins</firstterm>, which are simply executable
397
      programs in a directory in the initial <acronym>RAM</acronym>
398
      disk environment.  The default directory is
399
      <filename>/lib/mandos/plugins.d</filename>, but this can be
400
      changed with the <option>--plugin-dir</option> option.  The
401
      plugins are started in parallel, and the first plugin to output
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
402
      a password <emphasis>and</emphasis> exit with a successful exit
403
      code will make this plugin-runner output the password from that
404
      plugin, stop any other plugins, and exit.
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
405
    </para>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
406
407
    <refsect2 id="writing_plugins">
408
      <title>WRITING PLUGINS</title>
409
      <para>
410
	A plugin is simply a program which prints a password to its
411
	standard output and then exits with a successful (zero) exit
412
	status.  If the exit status is not zero, any output on
413
	standard output will be ignored by the plugin runner.  Any
414
	output on its standard error channel will simply be passed to
415
	the standard error of the plugin runner, usually the system
416
	console.
417
      </para>
418
      <para>
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
419
	If the password is a single-line, manually entered passprase,
420
	a final trailing newline character should
421
	<emphasis>not</emphasis> be printed.
422
      </para>
423
      <para>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
424
	The plugin will run in the initial RAM disk environment, so
425
	care must be taken not to depend on any files or running
426
	services not available there.
427
      </para>
428
      <para>
429
	The plugin must exit cleanly and free all allocated resources
430
	upon getting the TERM signal, since this is what the plugin
431
	runner uses to stop all other plugins when one plugin has
432
	output a password and exited cleanly.
433
      </para>
434
      <para>
435
	The plugin must not use resources, like for instance reading
155 by Teddy Hogeborn
* README: Improved wording.
436
	from the standard input, without knowing that no other plugin
437
	is also using it.
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
438
      </para>
439
      <para>
440
	It is useful, but not required, for the plugin to take the
441
	<option>--debug</option> option.
442
      </para>
443
    </refsect2>
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
444
  </refsect1>
445
  
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
446
  <refsect1 id="fallback">
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
447
    <title>FALLBACK</title>
448
    <para>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
449
      If no plugins succeed, this program will, as a fallback, ask for
450
      a password on the console using <citerefentry><refentrytitle
451
      >getpass</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
452
      and output it.  This is not meant to be the normal mode of
453
      operation, as there is a separate plugin for getting a password
454
      from the console.
134 by Teddy Hogeborn
* mandos.xml: Enclose "RAM" with <acronym>.
455
    </para>
456
  </refsect1>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
457
  
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
458
  <refsect1 id="exit_status">
459
    <title>EXIT STATUS</title>
460
    <para>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
461
      Exit status of this program is zero if no errors were
462
      encountered, and otherwise not.  The fallback (see <xref
463
      linkend="fallback"/>) may or may not have succeeded in either
464
      case.
465
    </para>
466
  </refsect1>
467
  
468
  <refsect1 id="environment">
469
    <title>ENVIRONMENT</title>
470
    <para>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
471
      This program does not use any environment variables itself, it
472
      only passes on its environment to all the plugins.  The
473
      environment passed to plugins can be modified using the
474
      <option>--global-env</option> and <option>--env-for</option>
156 by Teddy Hogeborn
* mandos-clients.conf.xml (OPTIONS): Improved spelling.
475
      options.
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
476
    </para>
477
  </refsect1>
478
  
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
479
  <refsect1 id="files">
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
480
    <title>FILES</title>
481
    <para>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
482
      <variablelist>
483
	<varlistentry>
484
	  <term><filename
485
	  >/conf/conf.d/mandos/plugin-runner.conf</filename></term>
486
	  <listitem>
487
	    <para>
488
	      Since this program will be run as a keyscript, there is
489
	      little to no opportunity to pass command line arguments
490
	      to it.  Therefore, it will <emphasis>also</emphasis>
491
	      read this file and use its contents as
492
	      whitespace-separated command line options.  Also,
493
	      everything from a <quote>#</quote> character to the end
494
	      of a line is ignored.
495
	    </para>
136 by Teddy Hogeborn
* plugin-runner.c (add_environment): Override existing environment
496
	    <para>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
497
	      This program is meant to run in the initial RAM disk
498
	      environment, so that is where this file is assumed to
499
	      exist.  The file does not need to exist in the normal
500
	      file system.
501
	    </para>
502
	    <para>
136 by Teddy Hogeborn
* plugin-runner.c (add_environment): Override existing environment
503
	      This file will be processed <emphasis>before</emphasis>
504
	      the normal command line options, so the latter can
505
	      override the former, if need be.
506
	    </para>
139 by Teddy Hogeborn
* plugin-runner.xml: Changed short option for "--global-env" to "-G",
507
	    <para>
508
	      This file name is the default; the file to read for
509
	      arguments can be changed using the
510
	      <option>--config-file</option> option.
511
	    </para>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
512
	  </listitem>
513
	</varlistentry>
514
      </variablelist>
24.1.55 by Björn Påhlsson
updated some partial manual pages
515
    </para>
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
516
  </refsect1>
517
  
157 by Teddy Hogeborn
* plugin-runner.xml (BUGS): Document the non-recursiveness of the
518
  <refsect1 id="bugs">
519
    <title>BUGS</title>
520
    <para>
521
      The <option>--config-file</option> option is ignored when
522
      specified from within a configuration file.
523
    </para>
524
  </refsect1>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
525
  
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
526
  <refsect1 id="examples">
113 by Teddy Hogeborn
* mandos-keygen.xml (EXAMPLE): Replaced all occurrences of command
527
    <title>EXAMPLE</title>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
528
    <informalexample>
529
      <para>
530
	Normal invocation needs no options:
531
      </para>
532
      <para>
533
	<userinput>&COMMANDNAME;</userinput>
534
      </para>
535
    </informalexample>
536
    <informalexample>
537
      <para>
538
	Run the program, but not the plugins, in debug mode:
539
      </para>
540
      <para>
541
	
542
	<!-- do not wrap this line -->
543
	<userinput>&COMMANDNAME; --debug</userinput>
544
	
545
      </para>
546
    </informalexample>
547
    <informalexample>
548
      <para>
549
	Run all plugins, but run the <quote>foo</quote> plugin in
550
	debug mode:
551
      </para>
552
      <para>
553
	
554
	<!-- do not wrap this line -->
555
	<userinput>&COMMANDNAME; --options-for=foo:--debug</userinput>
556
	
557
      </para>
558
    </informalexample>
559
    <informalexample>
560
      <para>
561
	Run all plugins, but not the program, in debug mode:
562
      </para>
563
      <para>
564
	
565
	<!-- do not wrap this line -->
566
	<userinput>&COMMANDNAME; --global-options=--debug</userinput>
567
	
568
      </para>
569
    </informalexample>
570
    <informalexample>
571
      <para>
163 by Teddy Hogeborn
* Makefile (PIDDIR, USER, GROUP): Removed.
572
	Run plugins from a different directory, read a different
573
	configuration file, and add two options to the
574
	<citerefentry><refentrytitle >password-request</refentrytitle>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
575
	<manvolnum>8mandos</manvolnum></citerefentry> plugin:
576
      </para>
577
      <para>
578
579
<!-- do not wrap this line -->
163 by Teddy Hogeborn
* Makefile (PIDDIR, USER, GROUP): Removed.
580
<userinput>&COMMANDNAME;  --config-file=/etc/mandos/plugin-runner.conf --plugin-dir /usr/lib/mandos/plugins.d --options-for=password-request:--pubkey=/etc/keys/mandos/pubkey.txt,--seckey=/etc/keys/mandos/seckey.txt</userinput>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
581
582
      </para>
583
    </informalexample>
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
584
  </refsect1>
585
  <refsect1 id="security">
586
    <title>SECURITY</title>
587
    <para>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
588
      This program will, when starting, try to switch to another user.
589
      If it is started as root, it will succeed, and will by default
590
      switch to user and group 65534, which are assumed to be
591
      non-privileged.  This user and group is then what all plugins
592
      will be started as.  Therefore, the only way to run a plugin as
593
      a privileged user is to have the set-user-ID or set-group-ID bit
164 by Teddy Hogeborn
* mandos: Open the PID file before daemonizing, but write to it
594
      set on the plugin executable file (see <citerefentry>
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
595
      <refentrytitle>execve</refentrytitle><manvolnum>2</manvolnum>
596
      </citerefentry>).
597
    </para>
598
    <para>
599
      If this program is used as a keyscript in <citerefentry
600
      ><refentrytitle>crypttab</refentrytitle><manvolnum>5</manvolnum>
156 by Teddy Hogeborn
* mandos-clients.conf.xml (OPTIONS): Improved spelling.
601
      </citerefentry>, there is a slight risk that if this program
602
      fails to work, there might be no way to boot the system except
603
      for booting from another media and editing the initial RAM disk
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
604
      image to not run this program.  This is, however, unlikely,
605
      since the <citerefentry><refentrytitle
606
      >password-prompt</refentrytitle><manvolnum>8mandos</manvolnum>
607
      </citerefentry> plugin will read a password from the console in
608
      case of failure of the other plugins, and this plugin runner
609
      will also, in case of catastrophic failure, itself fall back to
610
      asking and outputting a password on the console (see <xref
611
      linkend="fallback"/>).
24.1.55 by Björn Påhlsson
updated some partial manual pages
612
    </para>
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
613
  </refsect1>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
614
  
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
615
  <refsect1 id="see_also">
616
    <title>SEE ALSO</title>
617
    <para>
114 by Teddy Hogeborn
* mandos-clients.conf.xml (SEE ALSO): Alphabetized, as per
618
      <citerefentry><refentrytitle>cryptsetup</refentrytitle>
619
      <manvolnum>8</manvolnum></citerefentry>,
140 by Teddy Hogeborn
* plugin-runner.xml (PLUGINS/WRITING PLUGINS): New section.
620
      <citerefentry><refentrytitle>crypttab</refentrytitle>
621
      <manvolnum>5</manvolnum></citerefentry>,
622
      <citerefentry><refentrytitle>execve</refentrytitle>
623
      <manvolnum>2</manvolnum></citerefentry>,
24.1.41 by Björn Påhlsson
updated mandos-client sections and added see also stuff
624
      <citerefentry><refentrytitle>mandos</refentrytitle>
114 by Teddy Hogeborn
* mandos-clients.conf.xml (SEE ALSO): Alphabetized, as per
625
      <manvolnum>8</manvolnum></citerefentry>,
626
      <citerefentry><refentrytitle>password-prompt</refentrytitle>
113 by Teddy Hogeborn
* mandos-keygen.xml (EXAMPLE): Replaced all occurrences of command
627
      <manvolnum>8mandos</manvolnum></citerefentry>,
114 by Teddy Hogeborn
* mandos-clients.conf.xml (SEE ALSO): Alphabetized, as per
628
      <citerefentry><refentrytitle>password-request</refentrytitle>
629
      <manvolnum>8mandos</manvolnum></citerefentry>
24.1.41 by Björn Påhlsson
updated mandos-client sections and added see also stuff
630
    </para>
24.1.39 by Björn Påhlsson
Added all sections needed for mandos-client manual page
631
  </refsect1>
135 by Teddy Hogeborn
* plugin-runner.c (add_environment): Never insert existing environment
632
  
24.1.23 by Björn Påhlsson
Added manual pages for:
633
</refentry>
111 by Teddy Hogeborn
* mandos-clients.conf.xml (ENTITY TIMESTAMP): New. Automatically
634
<!-- Local Variables: -->
635
<!-- time-stamp-start: "<!ENTITY TIMESTAMP [\"']" -->
636
<!-- time-stamp-end: "[\"']>" -->
637
<!-- time-stamp-format: "%:y-%02m-%02d" -->
638
<!-- End: -->