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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 "2009-02-15">
 
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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>
14
 
    <productnumber>&VERSION;</productnumber>
 
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    <productnumber>&version;</productnumber>
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    <date>&TIMESTAMP;</date>
16
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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>
 
35
      <year>2009</year>
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      <holder>Teddy Hogeborn</holder>
35
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      <holder>Björn Påhlsson</holder>
36
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    </copyright>
37
 
    <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
43
 
        later version.
44
 
      </para>
45
 
 
46
 
      <para>
47
 
        This manual page is distributed in the hope that it will
48
 
        be useful, but WITHOUT ANY WARRANTY; without even the
49
 
        implied warranty of MERCHANTABILITY or FITNESS FOR A
50
 
        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>
 
39
    <xi:include href="legalnotice.xml"/>
60
40
  </refentryinfo>
61
 
 
 
41
  
62
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  <refmeta>
63
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    <refentrytitle>&COMMANDNAME;</refentrytitle>
64
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    <manvolnum>8</manvolnum>
67
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  <refnamediv>
68
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    <refname><command>&COMMANDNAME;</command></refname>
69
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    <refpurpose>
70
 
      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
54
  <refsynopsisdiv>
75
55
    <cmdsynopsis>
76
56
      <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>
 
57
      <group>
 
58
        <arg choice="plain"><option>--interface
 
59
        <replaceable>NAME</replaceable></option></arg>
 
60
        <arg choice="plain"><option>-i
 
61
        <replaceable>NAME</replaceable></option></arg>
 
62
      </group>
 
63
      <sbr/>
 
64
      <group>
 
65
        <arg choice="plain"><option>--address
 
66
        <replaceable>ADDRESS</replaceable></option></arg>
 
67
        <arg choice="plain"><option>-a
 
68
        <replaceable>ADDRESS</replaceable></option></arg>
 
69
      </group>
 
70
      <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>
 
80
      <sbr/>
 
81
      <arg><option>--servicename
 
82
      <replaceable>NAME</replaceable></option></arg>
 
83
      <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>
 
90
      <sbr/>
 
91
      <arg><option>--no-ipv6</option></arg>
94
92
    </cmdsynopsis>
95
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    <cmdsynopsis>
96
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      <command>&COMMANDNAME;</command>
97
95
      <group choice="req">
98
 
        <arg choice="plain">-h</arg>
99
 
        <arg choice="plain">--help</arg>
 
96
        <arg choice="plain"><option>--help</option></arg>
 
97
        <arg choice="plain"><option>-h</option></arg>
100
98
      </group>
101
99
    </cmdsynopsis>
102
100
    <cmdsynopsis>
103
101
      <command>&COMMANDNAME;</command>
104
 
      <arg choice="plain">--version</arg>
 
102
      <arg choice="plain"><option>--version</option></arg>
105
103
    </cmdsynopsis>
106
104
    <cmdsynopsis>
107
105
      <command>&COMMANDNAME;</command>
108
 
      <arg choice="plain">--check</arg>
 
106
      <arg choice="plain"><option>--check</option></arg>
109
107
    </cmdsynopsis>
110
108
  </refsynopsisdiv>
111
 
 
 
109
  
112
110
  <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
124
  </refsect1>
128
125
  
129
126
  <refsect1 id="purpose">
130
127
    <title>PURPOSE</title>
131
 
 
132
128
    <para>
133
129
      The purpose of this is to enable <emphasis>remote and unattended
134
130
      rebooting</emphasis> of client host computer with an
135
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      <emphasis>encrypted root file system</emphasis>.  See <xref
136
132
      linkend="overview"/> for details.
137
133
    </para>
138
 
 
139
134
  </refsect1>
140
135
  
141
136
  <refsect1 id="options">
142
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    <title>OPTIONS</title>
143
 
 
144
138
    <variablelist>
145
139
      <varlistentry>
 
140
        <term><option>--help</option></term>
146
141
        <term><option>-h</option></term>
147
 
        <term><option>--help</option></term>
148
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        <listitem>
149
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          <para>
150
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            Show a help message and exit
151
145
          </para>
152
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        </listitem>
153
147
      </varlistentry>
154
 
 
 
148
      
155
149
      <varlistentry>
 
150
        <term><option>--interface</option>
 
151
        <replaceable>NAME</replaceable></term>
156
152
        <term><option>-i</option>
157
153
        <replaceable>NAME</replaceable></term>
158
 
        <term><option>--interface</option>
159
 
        <replaceable>NAME</replaceable></term>
160
154
        <listitem>
161
155
          <xi:include href="mandos-options.xml" xpointer="interface"/>
162
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        </listitem>
163
157
      </varlistentry>
164
 
 
 
158
      
165
159
      <varlistentry>
166
 
        <term><literal>-a</literal>, <literal>--address <replaceable>
167
 
        ADDRESS</replaceable></literal></term>
 
160
        <term><option>--address
 
161
        <replaceable>ADDRESS</replaceable></option></term>
 
162
        <term><option>-a
 
163
        <replaceable>ADDRESS</replaceable></option></term>
168
164
        <listitem>
169
165
          <xi:include href="mandos-options.xml" xpointer="address"/>
170
166
        </listitem>
171
167
      </varlistentry>
172
 
 
 
168
      
173
169
      <varlistentry>
174
 
        <term><literal>-p</literal>, <literal>--port <replaceable>
175
 
        PORT</replaceable></literal></term>
 
170
        <term><option>--port
 
171
        <replaceable>PORT</replaceable></option></term>
 
172
        <term><option>-p
 
173
        <replaceable>PORT</replaceable></option></term>
176
174
        <listitem>
177
175
          <xi:include href="mandos-options.xml" xpointer="port"/>
178
176
        </listitem>
179
177
      </varlistentry>
180
 
 
 
178
      
181
179
      <varlistentry>
182
 
        <term><literal>--check</literal></term>
 
180
        <term><option>--check</option></term>
183
181
        <listitem>
184
182
          <para>
185
183
            Run the server’s self-tests.  This includes any unit
187
185
          </para>
188
186
        </listitem>
189
187
      </varlistentry>
190
 
 
 
188
      
191
189
      <varlistentry>
192
 
        <term><literal>--debug</literal></term>
 
190
        <term><option>--debug</option></term>
193
191
        <listitem>
194
192
          <xi:include href="mandos-options.xml" xpointer="debug"/>
195
193
        </listitem>
196
194
      </varlistentry>
197
 
 
 
195
      
198
196
      <varlistentry>
199
 
        <term><literal>--priority <replaceable>
200
 
        PRIORITY</replaceable></literal></term>
 
197
        <term><option>--priority <replaceable>
 
198
        PRIORITY</replaceable></option></term>
201
199
        <listitem>
202
200
          <xi:include href="mandos-options.xml" xpointer="priority"/>
203
201
        </listitem>
204
202
      </varlistentry>
205
 
 
 
203
      
206
204
      <varlistentry>
207
 
        <term><literal>--servicename <replaceable>NAME</replaceable>
208
 
        </literal></term>
 
205
        <term><option>--servicename
 
206
        <replaceable>NAME</replaceable></option></term>
209
207
        <listitem>
210
208
          <xi:include href="mandos-options.xml"
211
209
                      xpointer="servicename"/>
212
210
        </listitem>
213
211
      </varlistentry>
214
 
 
 
212
      
215
213
      <varlistentry>
216
 
        <term><literal>--configdir <replaceable>DIR</replaceable>
217
 
        </literal></term>
 
214
        <term><option>--configdir
 
215
        <replaceable>DIRECTORY</replaceable></option></term>
218
216
        <listitem>
219
217
          <para>
220
218
            Directory to search for configuration files.  Default is
226
224
          </para>
227
225
        </listitem>
228
226
      </varlistentry>
229
 
 
 
227
      
230
228
      <varlistentry>
231
 
        <term><literal>--version</literal></term>
 
229
        <term><option>--version</option></term>
232
230
        <listitem>
233
231
          <para>
234
232
            Prints the program version and exit.
235
233
          </para>
236
234
        </listitem>
237
235
      </varlistentry>
 
236
      
 
237
      <varlistentry>
 
238
        <term><option>--no-dbus</option></term>
 
239
        <listitem>
 
240
          <xi:include href="mandos-options.xml" xpointer="dbus"/>
 
241
          <para>
 
242
            See also <xref linkend="dbus_interface"/>.
 
243
          </para>
 
244
        </listitem>
 
245
      </varlistentry>
 
246
      
 
247
      <varlistentry>
 
248
        <term><option>--no-ipv6</option></term>
 
249
        <listitem>
 
250
          <xi:include href="mandos-options.xml" xpointer="ipv6"/>
 
251
        </listitem>
 
252
      </varlistentry>
238
253
    </variablelist>
239
254
  </refsect1>
240
 
 
 
255
  
241
256
  <refsect1 id="overview">
242
257
    <title>OVERVIEW</title>
243
258
    <xi:include href="overview.xml"/>
244
259
    <para>
245
260
      This program is the server part.  It is a normal server program
246
261
      and will run in a normal system environment, not in an initial
247
 
      RAM disk environment.
 
262
      <acronym>RAM</acronym> disk environment.
248
263
    </para>
249
264
  </refsect1>
250
 
 
 
265
  
251
266
  <refsect1 id="protocol">
252
267
    <title>NETWORK PROTOCOL</title>
253
268
    <para>
305
320
      </row>
306
321
    </tbody></tgroup></table>
307
322
  </refsect1>
308
 
 
 
323
  
309
324
  <refsect1 id="checking">
310
325
    <title>CHECKING</title>
311
326
    <para>
319
334
      <manvolnum>5</manvolnum></citerefentry>.
320
335
    </para>
321
336
  </refsect1>
322
 
 
 
337
  
323
338
  <refsect1 id="logging">
324
339
    <title>LOGGING</title>
325
340
    <para>
329
344
      and also show them on the console.
330
345
    </para>
331
346
  </refsect1>
332
 
 
 
347
  
 
348
  <refsect1 id="dbus_interface">
 
349
    <title>D-BUS INTERFACE</title>
 
350
    <para>
 
351
      The server will by default provide a D-Bus system bus interface.
 
352
      This interface will only be accessible by the root user or a
 
353
      Mandos-specific user, if such a user exists.
 
354
      <!-- XXX -->
 
355
    </para>
 
356
  </refsect1>
 
357
  
333
358
  <refsect1 id="exit_status">
334
359
    <title>EXIT STATUS</title>
335
360
    <para>
337
362
      critical error is encountered.
338
363
    </para>
339
364
  </refsect1>
340
 
 
 
365
  
341
366
  <refsect1 id="environment">
342
367
    <title>ENVIRONMENT</title>
343
368
    <variablelist>
344
369
      <varlistentry>
345
 
        <term><varname>PATH</varname></term>
 
370
        <term><envar>PATH</envar></term>
346
371
        <listitem>
347
372
          <para>
348
373
            To start the configured checker (see <xref
357
382
      </varlistentry>
358
383
    </variablelist>
359
384
  </refsect1>
360
 
 
361
 
  <refsect1 id="file">
 
385
  
 
386
  <refsect1 id="files">
362
387
    <title>FILES</title>
363
388
    <para>
364
389
      Use the <option>--configdir</option> option to change where
387
412
        </listitem>
388
413
      </varlistentry>
389
414
      <varlistentry>
390
 
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
 
415
        <term><filename>/var/run/mandos.pid</filename></term>
391
416
        <listitem>
392
417
          <para>
393
418
            The file containing the process id of
428
453
      Currently, if a client is declared <quote>invalid</quote> due to
429
454
      having timed out, the server does not record this fact onto
430
455
      permanent storage.  This has some security implications, see
431
 
      <xref linkend="CLIENTS"/>.
 
456
      <xref linkend="clients"/>.
432
457
    </para>
433
458
    <para>
434
459
      There is currently no way of querying the server of the current
442
467
      Debug mode is conflated with running in the foreground.
443
468
    </para>
444
469
    <para>
445
 
      The console log messages does not show a timestamp.
 
470
      The console log messages do not show a time stamp.
 
471
    </para>
 
472
    <para>
 
473
      This server does not check the expire time of clients’ OpenPGP
 
474
      keys.
446
475
    </para>
447
476
  </refsect1>
448
477
  
483
512
      </para>
484
513
    </informalexample>
485
514
  </refsect1>
486
 
 
 
515
  
487
516
  <refsect1 id="security">
488
517
    <title>SECURITY</title>
489
 
    <refsect2 id="SERVER">
 
518
    <refsect2 id="server">
490
519
      <title>SERVER</title>
491
520
      <para>
492
521
        Running this <command>&COMMANDNAME;</command> server program
493
522
        should not in itself present any security risk to the host
494
 
        computer running it.  The program does not need any special
495
 
        privileges to run, and is designed to run as a non-root user.
 
523
        computer running it.  The program switches to a non-root user
 
524
        soon after startup.
496
525
      </para>
497
526
    </refsect2>
498
 
    <refsect2 id="CLIENTS">
 
527
    <refsect2 id="clients">
499
528
      <title>CLIENTS</title>
500
529
      <para>
501
530
        The server only gives out its stored data to clients which
508
537
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
509
538
        <manvolnum>5</manvolnum></citerefentry>)
510
539
        <emphasis>must</emphasis> be made non-readable by anyone
511
 
        except the user running the server.
 
540
        except the user starting the server (usually root).
512
541
      </para>
513
542
      <para>
514
543
        As detailed in <xref linkend="checking"/>, the status of all
525
554
        restarting servers if it is suspected that a client has, in
526
555
        fact, been compromised by parties who may now be running a
527
556
        fake Mandos client with the keys from the non-encrypted
528
 
        initial RAM image of the client host.  What should be done in
529
 
        that case (if restarting the server program really is
530
 
        necessary) is to stop the server program, edit the
 
557
        initial <acronym>RAM</acronym> image of the client host.  What
 
558
        should be done in that case (if restarting the server program
 
559
        really is necessary) is to stop the server program, edit the
531
560
        configuration file to omit any suspect clients, and restart
532
561
        the server program.
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      </para>
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      <para>
535
564
        For more details on client-side security, see
536
 
        <citerefentry><refentrytitle>password-request</refentrytitle>
 
565
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
537
566
        <manvolnum>8mandos</manvolnum></citerefentry>.
538
567
      </para>
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568
    </refsect2>
540
569
  </refsect1>
541
 
 
 
570
  
542
571
  <refsect1 id="see_also">
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    <title>SEE ALSO</title>
544
573
    <para>
547
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        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
548
577
        <refentrytitle>mandos.conf</refentrytitle>
549
578
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
550
 
        <refentrytitle>password-request</refentrytitle>
 
579
        <refentrytitle>mandos-client</refentrytitle>
551
580
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
552
581
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
553
582
      </citerefentry>