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  • Committer: Teddy Hogeborn
  • Date: 2009-02-12 19:08:35 UTC
  • Revision ID: teddy@fukt.bsnet.se-20090212190835-dqv0piw2u254d0jc
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mandos.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 "mandos">
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<!ENTITY TIMESTAMP "2008-08-29">
 
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<!ENTITY TIMESTAMP "2009-01-04">
 
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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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  <refentryinfo>
 
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   <refentryinfo>
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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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    </authorgroup>
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    <copyright>
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      <year>2008</year>
 
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      <year>2009</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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    <legalnotice>
38
 
      <para>
39
 
        This manual page is free software: you can redistribute it
40
 
        and/or modify it under the terms of the GNU General Public
41
 
        License as published by the Free Software Foundation,
42
 
        either version 3 of the License, or (at your option) any
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        later version.
44
 
      </para>
45
 
 
46
 
      <para>
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        This manual page is distributed in the hope that it will
48
 
        be useful, but WITHOUT ANY WARRANTY; without even the
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        implied warranty of MERCHANTABILITY or FITNESS FOR A
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        PARTICULAR PURPOSE.  See the GNU General Public License
51
 
        for more details.
52
 
      </para>
53
 
 
54
 
      <para>
55
 
        You should have received a copy of the GNU General Public
56
 
        License along with this program; If not, see
57
 
        <ulink url="http://www.gnu.org/licenses/"/>.
58
 
      </para>
59
 
    </legalnotice>
 
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    <xi:include href="legalnotice.xml"/>
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  </refentryinfo>
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41
  
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  <refmeta>
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    <refentrytitle>&COMMANDNAME;</refentrytitle>
64
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    <manvolnum>8</manvolnum>
67
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  <refnamediv>
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    <refname><command>&COMMANDNAME;</command></refname>
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    <refpurpose>
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      Sends encrypted passwords to authenticated Mandos clients
 
50
      Gives encrypted passwords to authenticated Mandos clients
71
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    </refpurpose>
72
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  </refnamediv>
73
 
 
 
53
  
74
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  <refsynopsisdiv>
75
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    <cmdsynopsis>
76
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      <command>&COMMANDNAME;</command>
77
 
      <arg>--interface<arg choice="plain">NAME</arg></arg>
78
 
      <arg>--address<arg choice="plain">ADDRESS</arg></arg>
79
 
      <arg>--port<arg choice="plain">PORT</arg></arg>
80
 
      <arg>--priority<arg choice="plain">PRIORITY</arg></arg>
81
 
      <arg>--servicename<arg choice="plain">NAME</arg></arg>
82
 
      <arg>--configdir<arg choice="plain">DIRECTORY</arg></arg>
83
 
      <arg>--debug</arg>
84
 
    </cmdsynopsis>
85
 
    <cmdsynopsis>
86
 
      <command>&COMMANDNAME;</command>
87
 
      <arg>-i<arg choice="plain">NAME</arg></arg>
88
 
      <arg>-a<arg choice="plain">ADDRESS</arg></arg>
89
 
      <arg>-p<arg choice="plain">PORT</arg></arg>
90
 
      <arg>--priority<arg choice="plain">PRIORITY</arg></arg>
91
 
      <arg>--servicename<arg choice="plain">NAME</arg></arg>
92
 
      <arg>--configdir<arg choice="plain">DIRECTORY</arg></arg>
93
 
      <arg>--debug</arg>
 
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      <group>
 
58
        <arg choice="plain"><option>--interface
 
59
        <replaceable>NAME</replaceable></option></arg>
 
60
        <arg choice="plain"><option>-i
 
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        <replaceable>NAME</replaceable></option></arg>
 
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      </group>
 
63
      <sbr/>
 
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      <group>
 
65
        <arg choice="plain"><option>--address
 
66
        <replaceable>ADDRESS</replaceable></option></arg>
 
67
        <arg choice="plain"><option>-a
 
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        <replaceable>ADDRESS</replaceable></option></arg>
 
69
      </group>
 
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      <sbr/>
 
71
      <group>
 
72
        <arg choice="plain"><option>--port
 
73
        <replaceable>PORT</replaceable></option></arg>
 
74
        <arg choice="plain"><option>-p
 
75
        <replaceable>PORT</replaceable></option></arg>
 
76
      </group>
 
77
      <sbr/>
 
78
      <arg><option>--priority
 
79
      <replaceable>PRIORITY</replaceable></option></arg>
 
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      <sbr/>
 
81
      <arg><option>--servicename
 
82
      <replaceable>NAME</replaceable></option></arg>
 
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      <sbr/>
 
84
      <arg><option>--configdir
 
85
      <replaceable>DIRECTORY</replaceable></option></arg>
 
86
      <sbr/>
 
87
      <arg><option>--debug</option></arg>
 
88
      <sbr/>
 
89
      <arg><option>--no-dbus</option></arg>
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    </cmdsynopsis>
95
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    <cmdsynopsis>
96
92
      <command>&COMMANDNAME;</command>
97
93
      <group choice="req">
98
 
        <arg choice="plain">-h</arg>
99
 
        <arg choice="plain">--help</arg>
 
94
        <arg choice="plain"><option>--help</option></arg>
 
95
        <arg choice="plain"><option>-h</option></arg>
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96
      </group>
101
97
    </cmdsynopsis>
102
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    <cmdsynopsis>
103
99
      <command>&COMMANDNAME;</command>
104
 
      <arg choice="plain">--version</arg>
 
100
      <arg choice="plain"><option>--version</option></arg>
105
101
    </cmdsynopsis>
106
102
    <cmdsynopsis>
107
103
      <command>&COMMANDNAME;</command>
108
 
      <arg choice="plain">--check</arg>
 
104
      <arg choice="plain"><option>--check</option></arg>
109
105
    </cmdsynopsis>
110
106
  </refsynopsisdiv>
111
 
 
 
107
  
112
108
  <refsect1 id="description">
113
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    <title>DESCRIPTION</title>
114
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    <para>
123
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      Any authenticated client is then given the stored pre-encrypted
124
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      password for that specific client.
125
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    </para>
126
 
 
127
122
  </refsect1>
128
123
  
129
124
  <refsect1 id="purpose">
130
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    <title>PURPOSE</title>
131
 
 
132
126
    <para>
133
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      The purpose of this is to enable <emphasis>remote and unattended
134
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      rebooting</emphasis> of client host computer with an
135
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      <emphasis>encrypted root file system</emphasis>.  See <xref
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      linkend="overview"/> for details.
137
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    </para>
138
 
 
139
132
  </refsect1>
140
133
  
141
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  <refsect1 id="options">
142
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    <title>OPTIONS</title>
143
 
 
144
136
    <variablelist>
145
137
      <varlistentry>
146
 
        <term><literal>-h</literal>, <literal>--help</literal></term>
 
138
        <term><option>--help</option></term>
 
139
        <term><option>-h</option></term>
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        <listitem>
148
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          <para>
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            Show a help message and exit
150
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          </para>
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        </listitem>
152
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      </varlistentry>
153
 
 
 
146
      
154
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      <varlistentry>
155
 
        <term><literal>-i</literal>, <literal>--interface <replaceable
156
 
        >NAME</replaceable></literal></term>
 
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        <term><option>--interface</option>
 
149
        <replaceable>NAME</replaceable></term>
 
150
        <term><option>-i</option>
 
151
        <replaceable>NAME</replaceable></term>
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        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="interface"/>
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        </listitem>
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      </varlistentry>
161
 
 
 
156
      
162
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      <varlistentry>
163
 
        <term><literal>-a</literal>, <literal>--address <replaceable>
164
 
        ADDRESS</replaceable></literal></term>
 
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        <term><option>--address
 
159
        <replaceable>ADDRESS</replaceable></option></term>
 
160
        <term><option>-a
 
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        <replaceable>ADDRESS</replaceable></option></term>
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        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="address"/>
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        </listitem>
168
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      </varlistentry>
169
 
 
 
166
      
170
167
      <varlistentry>
171
 
        <term><literal>-p</literal>, <literal>--port <replaceable>
172
 
        PORT</replaceable></literal></term>
 
168
        <term><option>--port
 
169
        <replaceable>PORT</replaceable></option></term>
 
170
        <term><option>-p
 
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        <replaceable>PORT</replaceable></option></term>
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        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="port"/>
175
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        </listitem>
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      </varlistentry>
177
 
 
 
176
      
178
177
      <varlistentry>
179
 
        <term><literal>--check</literal></term>
 
178
        <term><option>--check</option></term>
180
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        <listitem>
181
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          <para>
182
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            Run the server’s self-tests.  This includes any unit
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          </para>
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        </listitem>
186
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      </varlistentry>
187
 
 
 
186
      
188
187
      <varlistentry>
189
 
        <term><literal>--debug</literal></term>
 
188
        <term><option>--debug</option></term>
190
189
        <listitem>
191
190
          <xi:include href="mandos-options.xml" xpointer="debug"/>
192
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        </listitem>
193
192
      </varlistentry>
194
 
 
 
193
      
195
194
      <varlistentry>
196
 
        <term><literal>--priority <replaceable>
197
 
        PRIORITY</replaceable></literal></term>
 
195
        <term><option>--priority <replaceable>
 
196
        PRIORITY</replaceable></option></term>
198
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        <listitem>
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198
          <xi:include href="mandos-options.xml" xpointer="priority"/>
200
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        </listitem>
201
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      </varlistentry>
202
 
 
 
201
      
203
202
      <varlistentry>
204
 
        <term><literal>--servicename <replaceable>NAME</replaceable>
205
 
        </literal></term>
 
203
        <term><option>--servicename
 
204
        <replaceable>NAME</replaceable></option></term>
206
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        <listitem>
207
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          <xi:include href="mandos-options.xml"
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                      xpointer="servicename"/>
209
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        </listitem>
210
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      </varlistentry>
211
 
 
 
210
      
212
211
      <varlistentry>
213
 
        <term><literal>--configdir <replaceable>DIR</replaceable>
214
 
        </literal></term>
 
212
        <term><option>--configdir
 
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        <replaceable>DIRECTORY</replaceable></option></term>
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        <listitem>
216
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          <para>
217
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            Directory to search for configuration files.  Default is
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          </para>
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        </listitem>
225
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      </varlistentry>
226
 
 
 
225
      
227
226
      <varlistentry>
228
 
        <term><literal>--version</literal></term>
 
227
        <term><option>--version</option></term>
229
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        <listitem>
230
229
          <para>
231
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            Prints the program version and exit.
232
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          </para>
233
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        </listitem>
234
233
      </varlistentry>
 
234
      
 
235
      <varlistentry>
 
236
        <term><option>--no-dbus</option></term>
 
237
        <listitem>
 
238
          <xi:include href="mandos-options.xml" xpointer="dbus"/>
 
239
          <para>
 
240
            See also <xref linkend="dbus_interface"/>.
 
241
          </para>
 
242
        </listitem>
 
243
      </varlistentry>
235
244
    </variablelist>
236
245
  </refsect1>
237
 
 
 
246
  
238
247
  <refsect1 id="overview">
239
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    <title>OVERVIEW</title>
240
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    <xi:include href="overview.xml"/>
241
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    <para>
242
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      This program is the server part.  It is a normal server program
243
252
      and will run in a normal system environment, not in an initial
244
 
      RAM disk environment.
 
253
      <acronym>RAM</acronym> disk environment.
245
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    </para>
246
255
  </refsect1>
247
 
 
 
256
  
248
257
  <refsect1 id="protocol">
249
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    <title>NETWORK PROTOCOL</title>
250
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    <para>
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      </row>
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    </tbody></tgroup></table>
304
313
  </refsect1>
305
 
 
 
314
  
306
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  <refsect1 id="checking">
307
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    <title>CHECKING</title>
308
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    <para>
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325
      <manvolnum>5</manvolnum></citerefentry>.
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    </para>
318
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  </refsect1>
319
 
 
 
328
  
320
329
  <refsect1 id="logging">
321
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    <title>LOGGING</title>
322
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    <para>
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335
      and also show them on the console.
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    </para>
328
337
  </refsect1>
 
338
  
 
339
  <refsect1 id="dbus_interface">
 
340
    <title>D-BUS INTERFACE</title>
 
341
    <para>
 
342
      The server will by default provide a D-Bus system bus interface.
 
343
      This interface will only be accessible by the root user or a
 
344
      Mandos-specific user, if such a user exists.
 
345
      <!-- XXX -->
 
346
    </para>
 
347
  </refsect1>
329
348
 
330
349
  <refsect1 id="exit_status">
331
350
    <title>EXIT STATUS</title>
334
353
      critical error is encountered.
335
354
    </para>
336
355
  </refsect1>
337
 
 
 
356
  
338
357
  <refsect1 id="environment">
339
358
    <title>ENVIRONMENT</title>
340
359
    <variablelist>
341
360
      <varlistentry>
342
 
        <term><varname>PATH</varname></term>
 
361
        <term><envar>PATH</envar></term>
343
362
        <listitem>
344
363
          <para>
345
364
            To start the configured checker (see <xref
354
373
      </varlistentry>
355
374
    </variablelist>
356
375
  </refsect1>
357
 
 
358
 
  <refsect1 id="file">
 
376
  
 
377
  <refsect1 id="files">
359
378
    <title>FILES</title>
360
379
    <para>
361
380
      Use the <option>--configdir</option> option to change where
384
403
        </listitem>
385
404
      </varlistentry>
386
405
      <varlistentry>
387
 
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
 
406
        <term><filename>/var/run/mandos.pid</filename></term>
388
407
        <listitem>
389
408
          <para>
390
409
            The file containing the process id of
425
444
      Currently, if a client is declared <quote>invalid</quote> due to
426
445
      having timed out, the server does not record this fact onto
427
446
      permanent storage.  This has some security implications, see
428
 
      <xref linkend="CLIENTS"/>.
 
447
      <xref linkend="clients"/>.
429
448
    </para>
430
449
    <para>
431
450
      There is currently no way of querying the server of the current
439
458
      Debug mode is conflated with running in the foreground.
440
459
    </para>
441
460
    <para>
442
 
      The console log messages does not show a timestamp.
 
461
      The console log messages does not show a time stamp.
 
462
    </para>
 
463
    <para>
 
464
      This server does not check the expire time of clients’ OpenPGP
 
465
      keys.
443
466
    </para>
444
467
  </refsect1>
445
468
  
480
503
      </para>
481
504
    </informalexample>
482
505
  </refsect1>
483
 
 
 
506
  
484
507
  <refsect1 id="security">
485
508
    <title>SECURITY</title>
486
 
    <refsect2 id="SERVER">
 
509
    <refsect2 id="server">
487
510
      <title>SERVER</title>
488
511
      <para>
489
512
        Running this <command>&COMMANDNAME;</command> server program
490
513
        should not in itself present any security risk to the host
491
 
        computer running it.  The program does not need any special
492
 
        privileges to run, and is designed to run as a non-root user.
 
514
        computer running it.  The program switches to a non-root user
 
515
        soon after startup.
493
516
      </para>
494
517
    </refsect2>
495
 
    <refsect2 id="CLIENTS">
 
518
    <refsect2 id="clients">
496
519
      <title>CLIENTS</title>
497
520
      <para>
498
521
        The server only gives out its stored data to clients which
505
528
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
506
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        <manvolnum>5</manvolnum></citerefentry>)
507
530
        <emphasis>must</emphasis> be made non-readable by anyone
508
 
        except the user running the server.
 
531
        except the user starting the server (usually root).
509
532
      </para>
510
533
      <para>
511
534
        As detailed in <xref linkend="checking"/>, the status of all
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        restarting servers if it is suspected that a client has, in
523
546
        fact, been compromised by parties who may now be running a
524
547
        fake Mandos client with the keys from the non-encrypted
525
 
        initial RAM image of the client host.  What should be done in
526
 
        that case (if restarting the server program really is
527
 
        necessary) is to stop the server program, edit the
 
548
        initial <acronym>RAM</acronym> image of the client host.  What
 
549
        should be done in that case (if restarting the server program
 
550
        really is necessary) is to stop the server program, edit the
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        configuration file to omit any suspect clients, and restart
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        the server program.
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      </para>
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      <para>
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        For more details on client-side security, see
533
 
        <citerefentry><refentrytitle>password-request</refentrytitle>
 
556
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
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        <manvolnum>8mandos</manvolnum></citerefentry>.
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      </para>
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    </refsect2>
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  </refsect1>
538
 
 
 
561
  
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  <refsect1 id="see_also">
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    <title>SEE ALSO</title>
541
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    <para>
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      <citerefentry>
 
566
        <refentrytitle>mandos-clients.conf</refentrytitle>
 
567
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
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        <refentrytitle>mandos.conf</refentrytitle>
544
569
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
545
 
        <refentrytitle>mandos-clients.conf</refentrytitle>
546
 
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
547
 
        <refentrytitle>password-request</refentrytitle>
 
570
        <refentrytitle>mandos-client</refentrytitle>
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        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
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        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
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      </citerefentry>