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  • Committer: Teddy Hogeborn
  • Date: 2008-10-04 20:19:58 UTC
  • Revision ID: teddy@fukt.bsnet.se-20081004201958-a7iql0rss7yf6leu
* Makefile (FORTIFY): Added "-fPIE -pie".
  (LINK_FORTIFY): New; set to "-z relro -pie".
  (LDFLAGS): Use $(LINK_FORTIFY).

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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 "2008-10-03">
 
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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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    <title>&COMMANDNAME;</title>
 
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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>&COMMANDNAME;</productname>
13
 
    <productnumber>&VERSION;</productnumber>
 
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    <productname>Mandos</productname>
 
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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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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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    <legalnotice>
36
 
      <para>
37
 
        This manual page is free software: you can redistribute it
38
 
        and/or modify it under the terms of the GNU General Public
39
 
        License as published by the Free Software Foundation,
40
 
        either version 3 of the License, or (at your option) any
41
 
        later version.
42
 
      </para>
43
 
 
44
 
      <para>
45
 
        This manual page is distributed in the hope that it will
46
 
        be useful, but WITHOUT ANY WARRANTY; without even the
47
 
        implied warranty of MERCHANTABILITY or FITNESS FOR A
48
 
        PARTICULAR PURPOSE.  See the GNU General Public License
49
 
        for more details.
50
 
      </para>
51
 
 
52
 
      <para>
53
 
        You should have received a copy of the GNU General Public
54
 
        License along with this program; If not, see
55
 
        <ulink url="http://www.gnu.org/licenses/"/>.
56
 
      </para>
57
 
    </legalnotice>
 
38
    <xi:include href="legalnotice.xml"/>
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  </refentryinfo>
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40
  
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  <refmeta>
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    <refentrytitle>&COMMANDNAME;</refentrytitle>
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    <manvolnum>8</manvolnum>
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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
 
49
      Gives encrypted passwords to authenticated Mandos clients
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    </refpurpose>
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  </refnamediv>
71
 
 
 
52
  
72
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  <refsynopsisdiv>
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    <cmdsynopsis>
74
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      <command>&COMMANDNAME;</command>
75
 
      <arg>--interface<arg choice="plain">IF</arg></arg>
76
 
      <arg>--address<arg choice="plain">ADDRESS</arg></arg>
77
 
      <arg>--port<arg choice="plain">PORT</arg></arg>
78
 
      <arg>--priority<arg choice="plain">PRIORITY</arg></arg>
79
 
      <arg>--servicename<arg choice="plain">NAME</arg></arg>
80
 
      <arg>--configdir<arg choice="plain">DIRECTORY</arg></arg>
81
 
      <arg>--debug</arg>
82
 
    </cmdsynopsis>
83
 
    <cmdsynopsis>
84
 
      <command>&COMMANDNAME;</command>
85
 
      <arg>-i<arg choice="plain">IF</arg></arg>
86
 
      <arg>-a<arg choice="plain">ADDRESS</arg></arg>
87
 
      <arg>-p<arg choice="plain">PORT</arg></arg>
88
 
      <arg>--priority<arg choice="plain">PRIORITY</arg></arg>
89
 
      <arg>--servicename<arg choice="plain">NAME</arg></arg>
90
 
      <arg>--configdir<arg choice="plain">DIRECTORY</arg></arg>
91
 
      <arg>--debug</arg>
 
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      <group>
 
57
        <arg choice="plain"><option>--interface
 
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        <replaceable>NAME</replaceable></option></arg>
 
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        <arg choice="plain"><option>-i
 
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        <replaceable>NAME</replaceable></option></arg>
 
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      </group>
 
62
      <sbr/>
 
63
      <group>
 
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        <arg choice="plain"><option>--address
 
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        <replaceable>ADDRESS</replaceable></option></arg>
 
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        <arg choice="plain"><option>-a
 
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        <replaceable>ADDRESS</replaceable></option></arg>
 
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      </group>
 
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      <sbr/>
 
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      <group>
 
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        <arg choice="plain"><option>--port
 
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        <replaceable>PORT</replaceable></option></arg>
 
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        <arg choice="plain"><option>-p
 
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        <replaceable>PORT</replaceable></option></arg>
 
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      </group>
 
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      <sbr/>
 
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      <arg><option>--priority
 
78
      <replaceable>PRIORITY</replaceable></option></arg>
 
79
      <sbr/>
 
80
      <arg><option>--servicename
 
81
      <replaceable>NAME</replaceable></option></arg>
 
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      <sbr/>
 
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      <arg><option>--configdir
 
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      <replaceable>DIRECTORY</replaceable></option></arg>
 
85
      <sbr/>
 
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      <arg><option>--debug</option></arg>
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    </cmdsynopsis>
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    <cmdsynopsis>
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      <command>&COMMANDNAME;</command>
95
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      <group choice="req">
96
 
        <arg choice="plain">-h</arg>
97
 
        <arg choice="plain">--help</arg>
 
91
        <arg choice="plain"><option>--help</option></arg>
 
92
        <arg choice="plain"><option>-h</option></arg>
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      </group>
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    </cmdsynopsis>
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    <cmdsynopsis>
101
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      <command>&COMMANDNAME;</command>
102
 
      <arg choice="plain">--version</arg>
 
97
      <arg choice="plain"><option>--version</option></arg>
103
98
    </cmdsynopsis>
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    <cmdsynopsis>
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      <command>&COMMANDNAME;</command>
106
 
      <arg choice="plain">--check</arg>
 
101
      <arg choice="plain"><option>--check</option></arg>
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102
    </cmdsynopsis>
108
103
  </refsynopsisdiv>
109
 
 
 
104
  
110
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  <refsect1 id="description">
111
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    <title>DESCRIPTION</title>
112
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    <para>
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      Any authenticated client is then given the stored pre-encrypted
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      password for that specific client.
123
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    </para>
124
 
 
125
119
  </refsect1>
126
120
  
127
121
  <refsect1 id="purpose">
128
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    <title>PURPOSE</title>
129
 
 
130
123
    <para>
131
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      The purpose of this is to enable <emphasis>remote and unattended
132
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      rebooting</emphasis> of client host computer with an
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      <emphasis>encrypted root file system</emphasis>.  See <xref
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      linkend="overview"/> for details.
135
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    </para>
136
 
 
137
129
  </refsect1>
138
130
  
139
131
  <refsect1 id="options">
140
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    <title>OPTIONS</title>
141
 
 
142
133
    <variablelist>
143
134
      <varlistentry>
144
 
        <term><literal>-h</literal>, <literal>--help</literal></term>
 
135
        <term><option>--help</option></term>
 
136
        <term><option>-h</option></term>
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        <listitem>
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          <para>
147
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            Show a help message and exit
148
140
          </para>
149
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        </listitem>
150
142
      </varlistentry>
151
 
 
 
143
      
152
144
      <varlistentry>
153
 
        <term><literal>-i</literal>, <literal>--interface <replaceable>
154
 
        IF</replaceable></literal></term>
 
145
        <term><option>--interface</option>
 
146
        <replaceable>NAME</replaceable></term>
 
147
        <term><option>-i</option>
 
148
        <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>
159
 
 
 
153
      
160
154
      <varlistentry>
161
 
        <term><literal>-a</literal>, <literal>--address <replaceable>
162
 
        ADDRESS</replaceable></literal></term>
 
155
        <term><option>--address
 
156
        <replaceable>ADDRESS</replaceable></option></term>
 
157
        <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>
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      </varlistentry>
167
 
 
 
163
      
168
164
      <varlistentry>
169
 
        <term><literal>-p</literal>, <literal>--port <replaceable>
170
 
        PORT</replaceable></literal></term>
 
165
        <term><option>--port
 
166
        <replaceable>PORT</replaceable></option></term>
 
167
        <term><option>-p
 
168
        <replaceable>PORT</replaceable></option></term>
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        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="port"/>
173
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        </listitem>
174
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      </varlistentry>
175
 
 
 
173
      
176
174
      <varlistentry>
177
 
        <term><literal>--check</literal></term>
 
175
        <term><option>--check</option></term>
178
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        <listitem>
179
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          <para>
180
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            Run the server’s self-tests.  This includes any unit
182
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          </para>
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        </listitem>
184
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      </varlistentry>
185
 
 
 
183
      
186
184
      <varlistentry>
187
 
        <term><literal>--debug</literal></term>
 
185
        <term><option>--debug</option></term>
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        <listitem>
189
187
          <xi:include href="mandos-options.xml" xpointer="debug"/>
190
188
        </listitem>
191
189
      </varlistentry>
192
 
 
 
190
      
193
191
      <varlistentry>
194
 
        <term><literal>--priority <replaceable>
195
 
        PRIORITY</replaceable></literal></term>
 
192
        <term><option>--priority <replaceable>
 
193
        PRIORITY</replaceable></option></term>
196
194
        <listitem>
197
195
          <xi:include href="mandos-options.xml" xpointer="priority"/>
198
196
        </listitem>
199
197
      </varlistentry>
200
 
 
 
198
      
201
199
      <varlistentry>
202
 
        <term><literal>--servicename <replaceable>NAME</replaceable>
203
 
        </literal></term>
 
200
        <term><option>--servicename
 
201
        <replaceable>NAME</replaceable></option></term>
204
202
        <listitem>
205
203
          <xi:include href="mandos-options.xml"
206
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                      xpointer="servicename"/>
207
205
        </listitem>
208
206
      </varlistentry>
209
 
 
 
207
      
210
208
      <varlistentry>
211
 
        <term><literal>--configdir <replaceable>DIR</replaceable>
212
 
        </literal></term>
 
209
        <term><option>--configdir
 
210
        <replaceable>DIRECTORY</replaceable></option></term>
213
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        <listitem>
214
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          <para>
215
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            Directory to search for configuration files.  Default is
221
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          </para>
222
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        </listitem>
223
221
      </varlistentry>
224
 
 
 
222
      
225
223
      <varlistentry>
226
 
        <term><literal>--version</literal></term>
 
224
        <term><option>--version</option></term>
227
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        <listitem>
228
226
          <para>
229
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            Prints the program version and exit.
232
230
      </varlistentry>
233
231
    </variablelist>
234
232
  </refsect1>
235
 
 
 
233
  
236
234
  <refsect1 id="overview">
237
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    <title>OVERVIEW</title>
238
236
    <xi:include href="overview.xml"/>
239
237
    <para>
240
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      This program is the server part.  It is a normal server program
241
239
      and will run in a normal system environment, not in an initial
242
 
      RAM disk environment.
 
240
      <acronym>RAM</acronym> disk environment.
243
241
    </para>
244
242
  </refsect1>
245
 
 
 
243
  
246
244
  <refsect1 id="protocol">
247
245
    <title>NETWORK PROTOCOL</title>
248
246
    <para>
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298
      </row>
301
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    </tbody></tgroup></table>
302
300
  </refsect1>
303
 
 
 
301
  
304
302
  <refsect1 id="checking">
305
303
    <title>CHECKING</title>
306
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    <para>
314
312
      <manvolnum>5</manvolnum></citerefentry>.
315
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    </para>
316
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  </refsect1>
317
 
 
 
315
  
318
316
  <refsect1 id="logging">
319
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    <title>LOGGING</title>
320
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    <para>
324
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      and also show them on the console.
325
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    </para>
326
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  </refsect1>
327
 
 
 
325
  
328
326
  <refsect1 id="exit_status">
329
327
    <title>EXIT STATUS</title>
330
328
    <para>
332
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      critical error is encountered.
333
331
    </para>
334
332
  </refsect1>
335
 
 
 
333
  
336
334
  <refsect1 id="environment">
337
335
    <title>ENVIRONMENT</title>
338
336
    <variablelist>
339
337
      <varlistentry>
340
 
        <term><varname>PATH</varname></term>
 
338
        <term><envar>PATH</envar></term>
341
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        <listitem>
342
340
          <para>
343
341
            To start the configured checker (see <xref
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350
      </varlistentry>
353
351
    </variablelist>
354
352
  </refsect1>
355
 
 
356
 
  <refsect1 id="file">
 
353
  
 
354
  <refsect1 id="files">
357
355
    <title>FILES</title>
358
356
    <para>
359
357
      Use the <option>--configdir</option> option to change where
382
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        </listitem>
383
381
      </varlistentry>
384
382
      <varlistentry>
385
 
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
 
383
        <term><filename>/var/run/mandos.pid</filename></term>
386
384
        <listitem>
387
385
          <para>
388
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            The file containing the process id of
423
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      Currently, if a client is declared <quote>invalid</quote> due to
424
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      having timed out, the server does not record this fact onto
425
423
      permanent storage.  This has some security implications, see
426
 
      <xref linkend="CLIENTS"/>.
 
424
      <xref linkend="clients"/>.
427
425
    </para>
428
426
    <para>
429
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      There is currently no way of querying the server of the current
437
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      Debug mode is conflated with running in the foreground.
438
436
    </para>
439
437
    <para>
440
 
      The console log messages does not show a timestamp.
 
438
      The console log messages does not show a time stamp.
 
439
    </para>
 
440
    <para>
 
441
      This server does not check the expire time of clients’ OpenPGP
 
442
      keys.
441
443
    </para>
442
444
  </refsect1>
443
445
  
448
450
        Normal invocation needs no options:
449
451
      </para>
450
452
      <para>
451
 
        <userinput>mandos</userinput>
 
453
        <userinput>&COMMANDNAME;</userinput>
452
454
      </para>
453
455
    </informalexample>
454
456
    <informalexample>
461
463
      <para>
462
464
 
463
465
<!-- do not wrap this line -->
464
 
<userinput>mandos --debug --configdir ~/mandos --servicename Test</userinput>
 
466
<userinput>&COMMANDNAME; --debug --configdir ~/mandos --servicename Test</userinput>
465
467
 
466
468
      </para>
467
469
    </informalexample>
473
475
      <para>
474
476
 
475
477
<!-- do not wrap this line -->
476
 
<userinput>mandos --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
 
478
<userinput>&COMMANDNAME; --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
477
479
 
478
480
      </para>
479
481
    </informalexample>
480
482
  </refsect1>
481
 
 
 
483
  
482
484
  <refsect1 id="security">
483
485
    <title>SECURITY</title>
484
 
    <refsect2 id="SERVER">
 
486
    <refsect2 id="server">
485
487
      <title>SERVER</title>
486
488
      <para>
487
489
        Running this <command>&COMMANDNAME;</command> server program
488
490
        should not in itself present any security risk to the host
489
 
        computer running it.  The program does not need any special
490
 
        privileges to run, and is designed to run as a non-root user.
 
491
        computer running it.  The program switches to a non-root user
 
492
        soon after startup.
491
493
      </para>
492
494
    </refsect2>
493
 
    <refsect2 id="CLIENTS">
 
495
    <refsect2 id="clients">
494
496
      <title>CLIENTS</title>
495
497
      <para>
496
498
        The server only gives out its stored data to clients which
503
505
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
504
506
        <manvolnum>5</manvolnum></citerefentry>)
505
507
        <emphasis>must</emphasis> be made non-readable by anyone
506
 
        except the user running the server.
 
508
        except the user starting the server (usually root).
507
509
      </para>
508
510
      <para>
509
511
        As detailed in <xref linkend="checking"/>, the status of all
520
522
        restarting servers if it is suspected that a client has, in
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523
        fact, been compromised by parties who may now be running a
522
524
        fake Mandos client with the keys from the non-encrypted
523
 
        initial RAM image of the client host.  What should be done in
524
 
        that case (if restarting the server program really is
525
 
        necessary) is to stop the server program, edit the
 
525
        initial <acronym>RAM</acronym> image of the client host.  What
 
526
        should be done in that case (if restarting the server program
 
527
        really is necessary) is to stop the server program, edit the
526
528
        configuration file to omit any suspect clients, and restart
527
529
        the server program.
528
530
      </para>
529
531
      <para>
530
532
        For more details on client-side security, see
531
 
        <citerefentry><refentrytitle>password-request</refentrytitle>
 
533
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
532
534
        <manvolnum>8mandos</manvolnum></citerefentry>.
533
535
      </para>
534
536
    </refsect2>
535
537
  </refsect1>
536
 
 
 
538
  
537
539
  <refsect1 id="see_also">
538
540
    <title>SEE ALSO</title>
 
541
    <para>
 
542
      <citerefentry>
 
543
        <refentrytitle>mandos-clients.conf</refentrytitle>
 
544
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
 
545
        <refentrytitle>mandos.conf</refentrytitle>
 
546
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
 
547
        <refentrytitle>mandos-client</refentrytitle>
 
548
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
 
549
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
 
550
      </citerefentry>
 
551
    </para>
539
552
    <variablelist>
540
553
      <varlistentry>
541
554
        <term>
542
 
          <citerefentry>
543
 
            <refentrytitle>password-request</refentrytitle>
544
 
            <manvolnum>8mandos</manvolnum>
545
 
          </citerefentry>
546
 
        </term>
547
 
        <listitem>
548
 
          <para>
549
 
            This is the actual program which talks to this server.
550
 
            Note that it is normally not invoked directly, and is only
551
 
            run in the initial RAM disk environment, and not on a
552
 
            fully started system.
553
 
          </para>
554
 
        </listitem>
555
 
      </varlistentry>
556
 
      <varlistentry>
557
 
        <term>
558
555
          <ulink url="http://www.zeroconf.org/">Zeroconf</ulink>
559
556
        </term>
560
557
        <listitem>
577
574
      </varlistentry>
578
575
      <varlistentry>
579
576
        <term>
580
 
          <ulink
581
 
              url="http://www.gnu.org/software/gnutls/">GnuTLS</ulink>
 
577
          <ulink url="http://www.gnu.org/software/gnutls/"
 
578
          >GnuTLS</ulink>
582
579
        </term>
583
580
      <listitem>
584
581
        <para>
590
587
      </varlistentry>
591
588
      <varlistentry>
592
589
        <term>
593
 
          <citation>RFC 4291: <citetitle>IP Version 6 Addressing
594
 
          Architecture</citetitle>, section 2.5.6, Link-Local IPv6
595
 
          Unicast Addresses</citation>
 
590
          RFC 4291: <citetitle>IP Version 6 Addressing
 
591
          Architecture</citetitle>
596
592
        </term>
597
593
        <listitem>
598
 
          <para>
599
 
            The clients use IPv6 link-local addresses, which are
600
 
            immediately usable since a link-local addresses is
601
 
            automatically assigned to a network interfaces when it is
602
 
            brought up.
603
 
          </para>
 
594
          <variablelist>
 
595
            <varlistentry>
 
596
              <term>Section 2.2: <citetitle>Text Representation of
 
597
              Addresses</citetitle></term>
 
598
              <listitem><para/></listitem>
 
599
            </varlistentry>
 
600
            <varlistentry>
 
601
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
 
602
              Address</citetitle></term>
 
603
              <listitem><para/></listitem>
 
604
            </varlistentry>
 
605
            <varlistentry>
 
606
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
 
607
            Addresses</citetitle></term>
 
608
            <listitem>
 
609
              <para>
 
610
                The clients use IPv6 link-local addresses, which are
 
611
                immediately usable since a link-local addresses is
 
612
                automatically assigned to a network interfaces when it
 
613
                is brought up.
 
614
              </para>
 
615
            </listitem>
 
616
            </varlistentry>
 
617
          </variablelist>
604
618
        </listitem>
605
619
      </varlistentry>
606
620
      <varlistentry>
607
621
        <term>
608
 
          <citation>RFC 4346: <citetitle>The Transport Layer Security
609
 
          (TLS) Protocol Version 1.1</citetitle></citation>
 
622
          RFC 4346: <citetitle>The Transport Layer Security (TLS)
 
623
          Protocol Version 1.1</citetitle>
610
624
        </term>
611
625
      <listitem>
612
626
        <para>
616
630
      </varlistentry>
617
631
      <varlistentry>
618
632
        <term>
619
 
          <citation>RFC 4880: <citetitle>OpenPGP Message
620
 
          Format</citetitle></citation>
 
633
          RFC 4880: <citetitle>OpenPGP Message Format</citetitle>
621
634
        </term>
622
635
      <listitem>
623
636
        <para>
627
640
      </varlistentry>
628
641
      <varlistentry>
629
642
        <term>
630
 
          <citation>RFC 5081: <citetitle>Using OpenPGP Keys for
631
 
          Transport Layer Security</citetitle></citation>
 
643
          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
 
644
          Security</citetitle>
632
645
        </term>
633
646
      <listitem>
634
647
        <para>
640
653
    </variablelist>
641
654
  </refsect1>
642
655
</refentry>
 
656
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657
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