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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 "2009-02-15">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
 
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<!ENTITY TIMESTAMP "2008-08-29">
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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>
15
 
    <productnumber>&version;</productnumber>
 
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    <productnumber>&VERSION;</productnumber>
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    <date>&TIMESTAMP;</date>
17
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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>
36
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      <holder>Teddy Hogeborn</holder>
37
35
      <holder>Björn Påhlsson</holder>
38
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    </copyright>
39
 
    <xi:include href="legalnotice.xml"/>
 
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>
40
60
  </refentryinfo>
41
 
  
 
61
 
42
62
  <refmeta>
43
63
    <refentrytitle>&COMMANDNAME;</refentrytitle>
44
64
    <manvolnum>8</manvolnum>
47
67
  <refnamediv>
48
68
    <refname><command>&COMMANDNAME;</command></refname>
49
69
    <refpurpose>
50
 
      Gives encrypted passwords to authenticated Mandos clients
 
70
      Sends encrypted passwords to authenticated Mandos clients
51
71
    </refpurpose>
52
72
  </refnamediv>
53
 
  
 
73
 
54
74
  <refsynopsisdiv>
55
75
    <cmdsynopsis>
56
76
      <command>&COMMANDNAME;</command>
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>
 
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>
92
94
    </cmdsynopsis>
93
95
    <cmdsynopsis>
94
96
      <command>&COMMANDNAME;</command>
95
97
      <group choice="req">
96
 
        <arg choice="plain"><option>--help</option></arg>
97
 
        <arg choice="plain"><option>-h</option></arg>
 
98
        <arg choice="plain">-h</arg>
 
99
        <arg choice="plain">--help</arg>
98
100
      </group>
99
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    </cmdsynopsis>
100
102
    <cmdsynopsis>
101
103
      <command>&COMMANDNAME;</command>
102
 
      <arg choice="plain"><option>--version</option></arg>
 
104
      <arg choice="plain">--version</arg>
103
105
    </cmdsynopsis>
104
106
    <cmdsynopsis>
105
107
      <command>&COMMANDNAME;</command>
106
 
      <arg choice="plain"><option>--check</option></arg>
 
108
      <arg choice="plain">--check</arg>
107
109
    </cmdsynopsis>
108
110
  </refsynopsisdiv>
109
 
  
 
111
 
110
112
  <refsect1 id="description">
111
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    <title>DESCRIPTION</title>
112
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    <para>
121
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      Any authenticated client is then given the stored pre-encrypted
122
124
      password for that specific client.
123
125
    </para>
 
126
 
124
127
  </refsect1>
125
128
  
126
129
  <refsect1 id="purpose">
127
130
    <title>PURPOSE</title>
 
131
 
128
132
    <para>
129
133
      The purpose of this is to enable <emphasis>remote and unattended
130
134
      rebooting</emphasis> of client host computer with an
131
135
      <emphasis>encrypted root file system</emphasis>.  See <xref
132
136
      linkend="overview"/> for details.
133
137
    </para>
 
138
 
134
139
  </refsect1>
135
140
  
136
141
  <refsect1 id="options">
137
142
    <title>OPTIONS</title>
 
143
 
138
144
    <variablelist>
139
145
      <varlistentry>
 
146
        <term><option>-h</option></term>
140
147
        <term><option>--help</option></term>
141
 
        <term><option>-h</option></term>
142
148
        <listitem>
143
149
          <para>
144
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            Show a help message and exit
145
151
          </para>
146
152
        </listitem>
147
153
      </varlistentry>
148
 
      
 
154
 
149
155
      <varlistentry>
 
156
        <term><option>-i</option>
 
157
        <replaceable>NAME</replaceable></term>
150
158
        <term><option>--interface</option>
151
159
        <replaceable>NAME</replaceable></term>
152
 
        <term><option>-i</option>
153
 
        <replaceable>NAME</replaceable></term>
154
160
        <listitem>
155
161
          <xi:include href="mandos-options.xml" xpointer="interface"/>
156
162
        </listitem>
157
163
      </varlistentry>
158
 
      
 
164
 
159
165
      <varlistentry>
160
 
        <term><option>--address
161
 
        <replaceable>ADDRESS</replaceable></option></term>
162
 
        <term><option>-a
163
 
        <replaceable>ADDRESS</replaceable></option></term>
 
166
        <term><literal>-a</literal>, <literal>--address <replaceable>
 
167
        ADDRESS</replaceable></literal></term>
164
168
        <listitem>
165
169
          <xi:include href="mandos-options.xml" xpointer="address"/>
166
170
        </listitem>
167
171
      </varlistentry>
168
 
      
 
172
 
169
173
      <varlistentry>
170
 
        <term><option>--port
171
 
        <replaceable>PORT</replaceable></option></term>
172
 
        <term><option>-p
173
 
        <replaceable>PORT</replaceable></option></term>
 
174
        <term><literal>-p</literal>, <literal>--port <replaceable>
 
175
        PORT</replaceable></literal></term>
174
176
        <listitem>
175
177
          <xi:include href="mandos-options.xml" xpointer="port"/>
176
178
        </listitem>
177
179
      </varlistentry>
178
 
      
 
180
 
179
181
      <varlistentry>
180
 
        <term><option>--check</option></term>
 
182
        <term><literal>--check</literal></term>
181
183
        <listitem>
182
184
          <para>
183
185
            Run the server’s self-tests.  This includes any unit
185
187
          </para>
186
188
        </listitem>
187
189
      </varlistentry>
188
 
      
 
190
 
189
191
      <varlistentry>
190
 
        <term><option>--debug</option></term>
 
192
        <term><literal>--debug</literal></term>
191
193
        <listitem>
192
194
          <xi:include href="mandos-options.xml" xpointer="debug"/>
193
195
        </listitem>
194
196
      </varlistentry>
195
 
      
 
197
 
196
198
      <varlistentry>
197
 
        <term><option>--priority <replaceable>
198
 
        PRIORITY</replaceable></option></term>
 
199
        <term><literal>--priority <replaceable>
 
200
        PRIORITY</replaceable></literal></term>
199
201
        <listitem>
200
202
          <xi:include href="mandos-options.xml" xpointer="priority"/>
201
203
        </listitem>
202
204
      </varlistentry>
203
 
      
 
205
 
204
206
      <varlistentry>
205
 
        <term><option>--servicename
206
 
        <replaceable>NAME</replaceable></option></term>
 
207
        <term><literal>--servicename <replaceable>NAME</replaceable>
 
208
        </literal></term>
207
209
        <listitem>
208
210
          <xi:include href="mandos-options.xml"
209
211
                      xpointer="servicename"/>
210
212
        </listitem>
211
213
      </varlistentry>
212
 
      
 
214
 
213
215
      <varlistentry>
214
 
        <term><option>--configdir
215
 
        <replaceable>DIRECTORY</replaceable></option></term>
 
216
        <term><literal>--configdir <replaceable>DIR</replaceable>
 
217
        </literal></term>
216
218
        <listitem>
217
219
          <para>
218
220
            Directory to search for configuration files.  Default is
224
226
          </para>
225
227
        </listitem>
226
228
      </varlistentry>
227
 
      
 
229
 
228
230
      <varlistentry>
229
 
        <term><option>--version</option></term>
 
231
        <term><literal>--version</literal></term>
230
232
        <listitem>
231
233
          <para>
232
234
            Prints the program version and exit.
233
235
          </para>
234
236
        </listitem>
235
237
      </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>
253
238
    </variablelist>
254
239
  </refsect1>
255
 
  
 
240
 
256
241
  <refsect1 id="overview">
257
242
    <title>OVERVIEW</title>
258
243
    <xi:include href="overview.xml"/>
259
244
    <para>
260
245
      This program is the server part.  It is a normal server program
261
246
      and will run in a normal system environment, not in an initial
262
 
      <acronym>RAM</acronym> disk environment.
 
247
      RAM disk environment.
263
248
    </para>
264
249
  </refsect1>
265
 
  
 
250
 
266
251
  <refsect1 id="protocol">
267
252
    <title>NETWORK PROTOCOL</title>
268
253
    <para>
320
305
      </row>
321
306
    </tbody></tgroup></table>
322
307
  </refsect1>
323
 
  
 
308
 
324
309
  <refsect1 id="checking">
325
310
    <title>CHECKING</title>
326
311
    <para>
334
319
      <manvolnum>5</manvolnum></citerefentry>.
335
320
    </para>
336
321
  </refsect1>
337
 
  
 
322
 
338
323
  <refsect1 id="logging">
339
324
    <title>LOGGING</title>
340
325
    <para>
344
329
      and also show them on the console.
345
330
    </para>
346
331
  </refsect1>
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
 
  
 
332
 
358
333
  <refsect1 id="exit_status">
359
334
    <title>EXIT STATUS</title>
360
335
    <para>
362
337
      critical error is encountered.
363
338
    </para>
364
339
  </refsect1>
365
 
  
 
340
 
366
341
  <refsect1 id="environment">
367
342
    <title>ENVIRONMENT</title>
368
343
    <variablelist>
369
344
      <varlistentry>
370
 
        <term><envar>PATH</envar></term>
 
345
        <term><varname>PATH</varname></term>
371
346
        <listitem>
372
347
          <para>
373
348
            To start the configured checker (see <xref
382
357
      </varlistentry>
383
358
    </variablelist>
384
359
  </refsect1>
385
 
  
386
 
  <refsect1 id="files">
 
360
 
 
361
  <refsect1 id="file">
387
362
    <title>FILES</title>
388
363
    <para>
389
364
      Use the <option>--configdir</option> option to change where
412
387
        </listitem>
413
388
      </varlistentry>
414
389
      <varlistentry>
415
 
        <term><filename>/var/run/mandos.pid</filename></term>
 
390
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
416
391
        <listitem>
417
392
          <para>
418
393
            The file containing the process id of
453
428
      Currently, if a client is declared <quote>invalid</quote> due to
454
429
      having timed out, the server does not record this fact onto
455
430
      permanent storage.  This has some security implications, see
456
 
      <xref linkend="clients"/>.
 
431
      <xref linkend="CLIENTS"/>.
457
432
    </para>
458
433
    <para>
459
434
      There is currently no way of querying the server of the current
467
442
      Debug mode is conflated with running in the foreground.
468
443
    </para>
469
444
    <para>
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.
 
445
      The console log messages does not show a timestamp.
475
446
    </para>
476
447
  </refsect1>
477
448
  
512
483
      </para>
513
484
    </informalexample>
514
485
  </refsect1>
515
 
  
 
486
 
516
487
  <refsect1 id="security">
517
488
    <title>SECURITY</title>
518
 
    <refsect2 id="server">
 
489
    <refsect2 id="SERVER">
519
490
      <title>SERVER</title>
520
491
      <para>
521
492
        Running this <command>&COMMANDNAME;</command> server program
522
493
        should not in itself present any security risk to the host
523
 
        computer running it.  The program switches to a non-root user
524
 
        soon after startup.
 
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.
525
496
      </para>
526
497
    </refsect2>
527
 
    <refsect2 id="clients">
 
498
    <refsect2 id="CLIENTS">
528
499
      <title>CLIENTS</title>
529
500
      <para>
530
501
        The server only gives out its stored data to clients which
537
508
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
538
509
        <manvolnum>5</manvolnum></citerefentry>)
539
510
        <emphasis>must</emphasis> be made non-readable by anyone
540
 
        except the user starting the server (usually root).
 
511
        except the user running the server.
541
512
      </para>
542
513
      <para>
543
514
        As detailed in <xref linkend="checking"/>, the status of all
554
525
        restarting servers if it is suspected that a client has, in
555
526
        fact, been compromised by parties who may now be running a
556
527
        fake Mandos client with the keys from the non-encrypted
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
 
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
560
531
        configuration file to omit any suspect clients, and restart
561
532
        the server program.
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533
      </para>
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534
      <para>
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        For more details on client-side security, see
565
 
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
536
        <citerefentry><refentrytitle>password-request</refentrytitle>
566
537
        <manvolnum>8mandos</manvolnum></citerefentry>.
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538
      </para>
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    </refsect2>
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  </refsect1>
570
 
  
 
541
 
571
542
  <refsect1 id="see_also">
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    <title>SEE ALSO</title>
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544
    <para>
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547
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
577
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        <refentrytitle>mandos.conf</refentrytitle>
578
549
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
579
 
        <refentrytitle>mandos-client</refentrytitle>
 
550
        <refentrytitle>password-request</refentrytitle>
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        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
581
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        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
582
553
      </citerefentry>