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  • Committer: Teddy Hogeborn
  • Date: 2012-06-15 17:18:34 UTC
  • mto: (301.1.1 release) (237.7.272 trunk)
  • mto: This revision was merged to the branch mainline in revision 302.
  • Revision ID: teddy@recompile.se-20120615171834-gzzgknth003j903u
* plugins.d/mandos-client.c (main): Bug fix: Set DEVICE environment
                                    variable correctly for network
                                    hooks.  Also, don't call
                                    run_network_hooks() with NULL
                                    value.

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removed removed

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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 "2012-05-26">
 
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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>
 
11
   <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>
 
14
    <productname>Mandos</productname>
 
15
    <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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        <surname>Påhlsson</surname>
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        <address>
19
 
          <email>belorn@fukt.bsnet.se</email>
 
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          <email>belorn@recompile.se</email>
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        </address>
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      </author>
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      <author>
23
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        <firstname>Teddy</firstname>
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        <surname>Hogeborn</surname>
25
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        <address>
26
 
          <email>teddy@fukt.bsnet.se</email>
 
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          <email>teddy@recompile.se</email>
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        </address>
28
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      </author>
29
32
    </authorgroup>
30
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    <copyright>
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      <year>2008</year>
 
35
      <year>2009</year>
 
36
      <year>2010</year>
 
37
      <year>2011</year>
 
38
      <year>2012</year>
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      <holder>Teddy Hogeborn</holder>
33
40
      <holder>Björn Påhlsson</holder>
34
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    </copyright>
35
 
    <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>
 
42
    <xi:include href="legalnotice.xml"/>
58
43
  </refentryinfo>
59
 
 
 
44
  
60
45
  <refmeta>
61
46
    <refentrytitle>&COMMANDNAME;</refentrytitle>
62
47
    <manvolnum>8</manvolnum>
65
50
  <refnamediv>
66
51
    <refname><command>&COMMANDNAME;</command></refname>
67
52
    <refpurpose>
68
 
      Sends encrypted passwords to authenticated Mandos clients
 
53
      Gives encrypted passwords to authenticated Mandos clients
69
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    </refpurpose>
70
55
  </refnamediv>
71
 
 
 
56
  
72
57
  <refsynopsisdiv>
73
58
    <cmdsynopsis>
74
59
      <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>
 
60
      <group>
 
61
        <arg choice="plain"><option>--interface
 
62
        <replaceable>NAME</replaceable></option></arg>
 
63
        <arg choice="plain"><option>-i
 
64
        <replaceable>NAME</replaceable></option></arg>
 
65
      </group>
 
66
      <sbr/>
 
67
      <group>
 
68
        <arg choice="plain"><option>--address
 
69
        <replaceable>ADDRESS</replaceable></option></arg>
 
70
        <arg choice="plain"><option>-a
 
71
        <replaceable>ADDRESS</replaceable></option></arg>
 
72
      </group>
 
73
      <sbr/>
 
74
      <group>
 
75
        <arg choice="plain"><option>--port
 
76
        <replaceable>PORT</replaceable></option></arg>
 
77
        <arg choice="plain"><option>-p
 
78
        <replaceable>PORT</replaceable></option></arg>
 
79
      </group>
 
80
      <sbr/>
 
81
      <arg><option>--priority
 
82
      <replaceable>PRIORITY</replaceable></option></arg>
 
83
      <sbr/>
 
84
      <arg><option>--servicename
 
85
      <replaceable>NAME</replaceable></option></arg>
 
86
      <sbr/>
 
87
      <arg><option>--configdir
 
88
      <replaceable>DIRECTORY</replaceable></option></arg>
 
89
      <sbr/>
 
90
      <arg><option>--debug</option></arg>
 
91
      <sbr/>
 
92
      <arg><option>--debuglevel
 
93
      <replaceable>LEVEL</replaceable></option></arg>
 
94
      <sbr/>
 
95
      <arg><option>--no-dbus</option></arg>
 
96
      <sbr/>
 
97
      <arg><option>--no-ipv6</option></arg>
 
98
      <sbr/>
 
99
      <arg><option>--no-restore</option></arg>
 
100
      <sbr/>
 
101
      <arg><option>--statedir
 
102
      <replaceable>DIRECTORY</replaceable></option></arg>
 
103
      <sbr/>
 
104
      <arg><option>--socket
 
105
      <replaceable>FD</replaceable></option></arg>
92
106
    </cmdsynopsis>
93
107
    <cmdsynopsis>
94
108
      <command>&COMMANDNAME;</command>
95
109
      <group choice="req">
96
 
        <arg choice="plain">-h</arg>
97
 
        <arg choice="plain">--help</arg>
 
110
        <arg choice="plain"><option>--help</option></arg>
 
111
        <arg choice="plain"><option>-h</option></arg>
98
112
      </group>
99
113
    </cmdsynopsis>
100
114
    <cmdsynopsis>
101
115
      <command>&COMMANDNAME;</command>
102
 
      <arg choice="plain">--version</arg>
 
116
      <arg choice="plain"><option>--version</option></arg>
103
117
    </cmdsynopsis>
104
118
    <cmdsynopsis>
105
119
      <command>&COMMANDNAME;</command>
106
 
      <arg choice="plain">--check</arg>
 
120
      <arg choice="plain"><option>--check</option></arg>
107
121
    </cmdsynopsis>
108
122
  </refsynopsisdiv>
109
 
 
 
123
  
110
124
  <refsect1 id="description">
111
125
    <title>DESCRIPTION</title>
112
126
    <para>
113
127
      <command>&COMMANDNAME;</command> is a server daemon which
114
128
      handles incoming request for passwords for a pre-defined list of
115
 
      client host computers.  The Mandos server uses Zeroconf to
116
 
      announce itself on the local network, and uses TLS to
117
 
      communicate securely with and to authenticate the clients.  The
118
 
      Mandos server uses IPv6 to allow Mandos clients to use IPv6
119
 
      link-local addresses, since the clients will probably not have
120
 
      any other addresses configured (see <xref linkend="overview"/>).
121
 
      Any authenticated client is then given the stored pre-encrypted
122
 
      password for that specific client.
 
129
      client host computers. For an introduction, see
 
130
      <citerefentry><refentrytitle>intro</refentrytitle>
 
131
      <manvolnum>8mandos</manvolnum></citerefentry>. The Mandos server
 
132
      uses Zeroconf to announce itself on the local network, and uses
 
133
      TLS to communicate securely with and to authenticate the
 
134
      clients.  The Mandos server uses IPv6 to allow Mandos clients to
 
135
      use IPv6 link-local addresses, since the clients will probably
 
136
      not have any other addresses configured (see <xref
 
137
      linkend="overview"/>).  Any authenticated client is then given
 
138
      the stored pre-encrypted password for that specific client.
123
139
    </para>
124
 
 
125
140
  </refsect1>
126
141
  
127
142
  <refsect1 id="purpose">
128
143
    <title>PURPOSE</title>
129
 
 
130
144
    <para>
131
145
      The purpose of this is to enable <emphasis>remote and unattended
132
146
      rebooting</emphasis> of client host computer with an
133
147
      <emphasis>encrypted root file system</emphasis>.  See <xref
134
148
      linkend="overview"/> for details.
135
149
    </para>
136
 
 
137
150
  </refsect1>
138
151
  
139
152
  <refsect1 id="options">
140
153
    <title>OPTIONS</title>
141
 
 
142
154
    <variablelist>
143
155
      <varlistentry>
144
 
        <term><literal>-h</literal>, <literal>--help</literal></term>
 
156
        <term><option>--help</option></term>
 
157
        <term><option>-h</option></term>
145
158
        <listitem>
146
159
          <para>
147
160
            Show a help message and exit
148
161
          </para>
149
162
        </listitem>
150
163
      </varlistentry>
151
 
 
 
164
      
152
165
      <varlistentry>
153
 
        <term><literal>-i</literal>, <literal>--interface <replaceable>
154
 
        IF</replaceable></literal></term>
 
166
        <term><option>--interface</option>
 
167
        <replaceable>NAME</replaceable></term>
 
168
        <term><option>-i</option>
 
169
        <replaceable>NAME</replaceable></term>
155
170
        <listitem>
156
171
          <xi:include href="mandos-options.xml" xpointer="interface"/>
157
172
        </listitem>
158
173
      </varlistentry>
159
 
 
 
174
      
160
175
      <varlistentry>
161
 
        <term><literal>-a</literal>, <literal>--address <replaceable>
162
 
        ADDRESS</replaceable></literal></term>
 
176
        <term><option>--address
 
177
        <replaceable>ADDRESS</replaceable></option></term>
 
178
        <term><option>-a
 
179
        <replaceable>ADDRESS</replaceable></option></term>
163
180
        <listitem>
164
181
          <xi:include href="mandos-options.xml" xpointer="address"/>
165
182
        </listitem>
166
183
      </varlistentry>
167
 
 
 
184
      
168
185
      <varlistentry>
169
 
        <term><literal>-p</literal>, <literal>--port <replaceable>
170
 
        PORT</replaceable></literal></term>
 
186
        <term><option>--port
 
187
        <replaceable>PORT</replaceable></option></term>
 
188
        <term><option>-p
 
189
        <replaceable>PORT</replaceable></option></term>
171
190
        <listitem>
172
191
          <xi:include href="mandos-options.xml" xpointer="port"/>
173
192
        </listitem>
174
193
      </varlistentry>
175
 
 
 
194
      
176
195
      <varlistentry>
177
 
        <term><literal>--check</literal></term>
 
196
        <term><option>--check</option></term>
178
197
        <listitem>
179
198
          <para>
180
199
            Run the server’s self-tests.  This includes any unit
182
201
          </para>
183
202
        </listitem>
184
203
      </varlistentry>
185
 
 
 
204
      
186
205
      <varlistentry>
187
 
        <term><literal>--debug</literal></term>
 
206
        <term><option>--debug</option></term>
188
207
        <listitem>
189
208
          <xi:include href="mandos-options.xml" xpointer="debug"/>
190
209
        </listitem>
191
210
      </varlistentry>
192
 
 
193
 
      <varlistentry>
194
 
        <term><literal>--priority <replaceable>
195
 
        PRIORITY</replaceable></literal></term>
 
211
      
 
212
      <varlistentry>
 
213
        <term><option>--debuglevel
 
214
        <replaceable>LEVEL</replaceable></option></term>
 
215
        <listitem>
 
216
          <para>
 
217
            Set the debugging log level.
 
218
            <replaceable>LEVEL</replaceable> is a string, one of
 
219
            <quote><literal>CRITICAL</literal></quote>,
 
220
            <quote><literal>ERROR</literal></quote>,
 
221
            <quote><literal>WARNING</literal></quote>,
 
222
            <quote><literal>INFO</literal></quote>, or
 
223
            <quote><literal>DEBUG</literal></quote>, in order of
 
224
            increasing verbosity.  The default level is
 
225
            <quote><literal>WARNING</literal></quote>.
 
226
          </para>
 
227
        </listitem>
 
228
      </varlistentry>
 
229
      
 
230
      <varlistentry>
 
231
        <term><option>--priority <replaceable>
 
232
        PRIORITY</replaceable></option></term>
196
233
        <listitem>
197
234
          <xi:include href="mandos-options.xml" xpointer="priority"/>
198
235
        </listitem>
199
236
      </varlistentry>
200
 
 
 
237
      
201
238
      <varlistentry>
202
 
        <term><literal>--servicename <replaceable>NAME</replaceable>
203
 
        </literal></term>
 
239
        <term><option>--servicename
 
240
        <replaceable>NAME</replaceable></option></term>
204
241
        <listitem>
205
242
          <xi:include href="mandos-options.xml"
206
243
                      xpointer="servicename"/>
207
244
        </listitem>
208
245
      </varlistentry>
209
 
 
 
246
      
210
247
      <varlistentry>
211
 
        <term><literal>--configdir <replaceable>DIR</replaceable>
212
 
        </literal></term>
 
248
        <term><option>--configdir
 
249
        <replaceable>DIRECTORY</replaceable></option></term>
213
250
        <listitem>
214
251
          <para>
215
252
            Directory to search for configuration files.  Default is
221
258
          </para>
222
259
        </listitem>
223
260
      </varlistentry>
224
 
 
 
261
      
225
262
      <varlistentry>
226
 
        <term><literal>--version</literal></term>
 
263
        <term><option>--version</option></term>
227
264
        <listitem>
228
265
          <para>
229
266
            Prints the program version and exit.
230
267
          </para>
231
268
        </listitem>
232
269
      </varlistentry>
 
270
      
 
271
      <varlistentry>
 
272
        <term><option>--no-dbus</option></term>
 
273
        <listitem>
 
274
          <xi:include href="mandos-options.xml" xpointer="dbus"/>
 
275
          <para>
 
276
            See also <xref linkend="dbus_interface"/>.
 
277
          </para>
 
278
        </listitem>
 
279
      </varlistentry>
 
280
      
 
281
      <varlistentry>
 
282
        <term><option>--no-ipv6</option></term>
 
283
        <listitem>
 
284
          <xi:include href="mandos-options.xml" xpointer="ipv6"/>
 
285
        </listitem>
 
286
      </varlistentry>
 
287
      
 
288
      <varlistentry>
 
289
        <term><option>--no-restore</option></term>
 
290
        <listitem>
 
291
          <xi:include href="mandos-options.xml" xpointer="restore"/>
 
292
          <para>
 
293
            See also <xref linkend="persistent_state"/>.
 
294
          </para>
 
295
        </listitem>
 
296
      </varlistentry>
 
297
      
 
298
      <varlistentry>
 
299
        <term><option>--statedir
 
300
        <replaceable>DIRECTORY</replaceable></option></term>
 
301
        <listitem>
 
302
          <xi:include href="mandos-options.xml" xpointer="statedir"/>
 
303
        </listitem>
 
304
      </varlistentry>
 
305
      
 
306
      <varlistentry>
 
307
        <term><option>--socket
 
308
        <replaceable>FD</replaceable></option></term>
 
309
        <listitem>
 
310
          <xi:include href="mandos-options.xml" xpointer="socket"/>
 
311
        </listitem>
 
312
      </varlistentry>
 
313
      
233
314
    </variablelist>
234
315
  </refsect1>
235
 
 
 
316
  
236
317
  <refsect1 id="overview">
237
318
    <title>OVERVIEW</title>
238
319
    <xi:include href="overview.xml"/>
239
320
    <para>
240
321
      This program is the server part.  It is a normal server program
241
322
      and will run in a normal system environment, not in an initial
242
 
      RAM disk environment.
 
323
      <acronym>RAM</acronym> disk environment.
243
324
    </para>
244
325
  </refsect1>
245
 
 
 
326
  
246
327
  <refsect1 id="protocol">
247
328
    <title>NETWORK PROTOCOL</title>
248
329
    <para>
274
355
        <entry>-><!-- &rarr; --></entry>
275
356
      </row>
276
357
      <row>
277
 
        <entry><quote><literal>1\r\en</literal></quote></entry>
 
358
        <entry><quote><literal>1\r\n</literal></quote></entry>
278
359
        <entry>-><!-- &rarr; --></entry>
279
360
      </row>
280
361
      <row>
300
381
      </row>
301
382
    </tbody></tgroup></table>
302
383
  </refsect1>
303
 
 
 
384
  
304
385
  <refsect1 id="checking">
305
386
    <title>CHECKING</title>
306
387
    <para>
307
388
      The server will, by default, continually check that the clients
308
389
      are still up.  If a client has not been confirmed as being up
309
390
      for some time, the client is assumed to be compromised and is no
310
 
      longer eligible to receive the encrypted password.  The timeout,
311
 
      checker program, and interval between checks can be configured
312
 
      both globally and per client; see <citerefentry>
313
 
      <refentrytitle>mandos.conf</refentrytitle>
314
 
      <manvolnum>5</manvolnum></citerefentry> and <citerefentry>
 
391
      longer eligible to receive the encrypted password.  (Manual
 
392
      intervention is required to re-enable a client.)  The timeout,
 
393
      extended timeout, checker program, and interval between checks
 
394
      can be configured both globally and per client; see
 
395
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
396
      <manvolnum>5</manvolnum></citerefentry>.
 
397
    </para>
 
398
  </refsect1>
 
399
  
 
400
  <refsect1 id="approval">
 
401
    <title>APPROVAL</title>
 
402
    <para>
 
403
      The server can be configured to require manual approval for a
 
404
      client before it is sent its secret.  The delay to wait for such
 
405
      approval and the default action (approve or deny) can be
 
406
      configured both globally and per client; see <citerefentry>
315
407
      <refentrytitle>mandos-clients.conf</refentrytitle>
316
 
      <manvolnum>5</manvolnum></citerefentry>.
317
 
    </para>
 
408
      <manvolnum>5</manvolnum></citerefentry>.  By default all clients
 
409
      will be approved immediately without delay.
 
410
    </para>
 
411
    <para>
 
412
      This can be used to deny a client its secret if not manually
 
413
      approved within a specified time.  It can also be used to make
 
414
      the server delay before giving a client its secret, allowing
 
415
      optional manual denying of this specific client.
 
416
    </para>
 
417
    
318
418
  </refsect1>
319
 
 
 
419
  
320
420
  <refsect1 id="logging">
321
421
    <title>LOGGING</title>
322
422
    <para>
323
 
      The server will send log messaged with various severity levels
324
 
      to <filename>/dev/log</filename>.  With the
 
423
      The server will send log message with various severity levels to
 
424
      <filename class="devicefile">/dev/log</filename>.  With the
325
425
      <option>--debug</option> option, it will log even more messages,
326
426
      and also show them on the console.
327
427
    </para>
328
428
  </refsect1>
329
 
 
 
429
  
 
430
  <refsect1 id="persistent_state">
 
431
    <title>PERSISTENT STATE</title>
 
432
    <para>
 
433
      Client settings, initially read from
 
434
      <filename>clients.conf</filename>, are persistent across
 
435
      restarts, and run-time changes will override settings in
 
436
      <filename>clients.conf</filename>.  However, if a setting is
 
437
      <emphasis>changed</emphasis> (or a client added, or removed) in
 
438
      <filename>clients.conf</filename>, this will take precedence.
 
439
    </para>
 
440
  </refsect1>
 
441
  
 
442
  <refsect1 id="dbus_interface">
 
443
    <title>D-BUS INTERFACE</title>
 
444
    <para>
 
445
      The server will by default provide a D-Bus system bus interface.
 
446
      This interface will only be accessible by the root user or a
 
447
      Mandos-specific user, if such a user exists.  For documentation
 
448
      of the D-Bus API, see the file <filename>DBUS-API</filename>.
 
449
    </para>
 
450
  </refsect1>
 
451
  
330
452
  <refsect1 id="exit_status">
331
453
    <title>EXIT STATUS</title>
332
454
    <para>
334
456
      critical error is encountered.
335
457
    </para>
336
458
  </refsect1>
337
 
 
 
459
  
338
460
  <refsect1 id="environment">
339
461
    <title>ENVIRONMENT</title>
340
462
    <variablelist>
341
463
      <varlistentry>
342
 
        <term><varname>PATH</varname></term>
 
464
        <term><envar>PATH</envar></term>
343
465
        <listitem>
344
466
          <para>
345
467
            To start the configured checker (see <xref
348
470
            <varname>PATH</varname> to search for matching commands if
349
471
            an absolute path is not given.  See <citerefentry>
350
472
            <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
351
 
          </citerefentry>
 
473
            </citerefentry>.
352
474
          </para>
353
475
        </listitem>
354
476
      </varlistentry>
355
477
    </variablelist>
356
478
  </refsect1>
357
 
 
358
 
  <refsect1 id="file">
 
479
  
 
480
  <refsect1 id="files">
359
481
    <title>FILES</title>
360
482
    <para>
361
483
      Use the <option>--configdir</option> option to change where
384
506
        </listitem>
385
507
      </varlistentry>
386
508
      <varlistentry>
387
 
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
388
 
        <listitem>
389
 
          <para>
390
 
            The file containing the process id of
391
 
            <command>&COMMANDNAME;</command>.
 
509
        <term><filename>/var/run/mandos.pid</filename></term>
 
510
        <listitem>
 
511
          <para>
 
512
            The file containing the process id of the
 
513
            <command>&COMMANDNAME;</command> process started last.
 
514
          </para>
 
515
        </listitem>
 
516
      </varlistentry>
 
517
      <varlistentry>
 
518
        <term><filename class="devicefile">/dev/log</filename></term>
 
519
      </varlistentry>
 
520
      <varlistentry>
 
521
        <term><filename
 
522
        class="directory">/var/lib/mandos</filename></term>
 
523
        <listitem>
 
524
          <para>
 
525
            Directory where persistent state will be saved.  Change
 
526
            this with the <option>--statedir</option> option.  See
 
527
            also the <option>--no-restore</option> option.
392
528
          </para>
393
529
        </listitem>
394
530
      </varlistentry>
422
558
      backtrace.  This could be considered a feature.
423
559
    </para>
424
560
    <para>
425
 
      Currently, if a client is declared <quote>invalid</quote> due to
426
 
      having timed out, the server does not record this fact onto
427
 
      permanent storage.  This has some security implications, see
428
 
      <xref linkend="CLIENTS"/>.
429
 
    </para>
430
 
    <para>
431
 
      There is currently no way of querying the server of the current
432
 
      status of clients, other than analyzing its <systemitem
433
 
      class="service">syslog</systemitem> output.
434
 
    </para>
435
 
    <para>
436
561
      There is no fine-grained control over logging and debug output.
437
562
    </para>
438
563
    <para>
439
564
      Debug mode is conflated with running in the foreground.
440
565
    </para>
441
566
    <para>
442
 
      The console log messages does not show a timestamp.
 
567
      This server does not check the expire time of clients’ OpenPGP
 
568
      keys.
443
569
    </para>
444
570
  </refsect1>
445
571
  
450
576
        Normal invocation needs no options:
451
577
      </para>
452
578
      <para>
453
 
        <userinput>mandos</userinput>
 
579
        <userinput>&COMMANDNAME;</userinput>
454
580
      </para>
455
581
    </informalexample>
456
582
    <informalexample>
457
583
      <para>
458
584
        Run the server in debug mode, read configuration files from
459
 
        the <filename>~/mandos</filename> directory, and use the
460
 
        Zeroconf service name <quote>Test</quote> to not collide with
461
 
        any other official Mandos server on this host:
 
585
        the <filename class="directory">~/mandos</filename> directory,
 
586
        and use the Zeroconf service name <quote>Test</quote> to not
 
587
        collide with any other official Mandos server on this host:
462
588
      </para>
463
589
      <para>
464
590
 
465
591
<!-- do not wrap this line -->
466
 
<userinput>mandos --debug --configdir ~/mandos --servicename Test</userinput>
 
592
<userinput>&COMMANDNAME; --debug --configdir ~/mandos --servicename Test</userinput>
467
593
 
468
594
      </para>
469
595
    </informalexample>
475
601
      <para>
476
602
 
477
603
<!-- do not wrap this line -->
478
 
<userinput>mandos --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
 
604
<userinput>&COMMANDNAME; --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
479
605
 
480
606
      </para>
481
607
    </informalexample>
482
608
  </refsect1>
483
 
 
 
609
  
484
610
  <refsect1 id="security">
485
611
    <title>SECURITY</title>
486
 
    <refsect2 id="SERVER">
 
612
    <refsect2 id="server">
487
613
      <title>SERVER</title>
488
614
      <para>
489
615
        Running this <command>&COMMANDNAME;</command> server program
490
616
        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.
 
617
        computer running it.  The program switches to a non-root user
 
618
        soon after startup.
493
619
      </para>
494
620
    </refsect2>
495
 
    <refsect2 id="CLIENTS">
 
621
    <refsect2 id="clients">
496
622
      <title>CLIENTS</title>
497
623
      <para>
498
624
        The server only gives out its stored data to clients which
505
631
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
506
632
        <manvolnum>5</manvolnum></citerefentry>)
507
633
        <emphasis>must</emphasis> be made non-readable by anyone
508
 
        except the user running the server.
 
634
        except the user starting the server (usually root).
509
635
      </para>
510
636
      <para>
511
637
        As detailed in <xref linkend="checking"/>, the status of all
513
639
        compromised if they are gone for too long.
514
640
      </para>
515
641
      <para>
516
 
        If a client is compromised, its downtime should be duly noted
517
 
        by the server which would therefore declare the client
518
 
        invalid.  But if the server was ever restarted, it would
519
 
        re-read its client list from its configuration file and again
520
 
        regard all clients therein as valid, and hence eligible to
521
 
        receive their passwords.  Therefore, be careful when
522
 
        restarting servers if it is suspected that a client has, in
523
 
        fact, been compromised by parties who may now be running a
524
 
        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
528
 
        configuration file to omit any suspect clients, and restart
529
 
        the server program.
530
 
      </para>
531
 
      <para>
532
642
        For more details on client-side security, see
533
 
        <citerefentry><refentrytitle>password-request</refentrytitle>
 
643
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
534
644
        <manvolnum>8mandos</manvolnum></citerefentry>.
535
645
      </para>
536
646
    </refsect2>
537
647
  </refsect1>
538
 
 
 
648
  
539
649
  <refsect1 id="see_also">
540
650
    <title>SEE ALSO</title>
 
651
    <para>
 
652
      <citerefentry><refentrytitle>intro</refentrytitle>
 
653
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
654
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
655
      <manvolnum>5</manvolnum></citerefentry>,
 
656
      <citerefentry><refentrytitle>mandos.conf</refentrytitle>
 
657
      <manvolnum>5</manvolnum></citerefentry>,
 
658
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
659
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
660
      <citerefentry><refentrytitle>sh</refentrytitle>
 
661
      <manvolnum>1</manvolnum></citerefentry>
 
662
    </para>
541
663
    <variablelist>
542
664
      <varlistentry>
543
665
        <term>
544
 
          <citerefentry>
545
 
            <refentrytitle>password-request</refentrytitle>
546
 
            <manvolnum>8mandos</manvolnum>
547
 
          </citerefentry>
548
 
        </term>
549
 
        <listitem>
550
 
          <para>
551
 
            This is the actual program which talks to this server.
552
 
            Note that it is normally not invoked directly, and is only
553
 
            run in the initial RAM disk environment, and not on a
554
 
            fully started system.
555
 
          </para>
556
 
        </listitem>
557
 
      </varlistentry>
558
 
      <varlistentry>
559
 
        <term>
560
666
          <ulink url="http://www.zeroconf.org/">Zeroconf</ulink>
561
667
        </term>
562
668
        <listitem>
579
685
      </varlistentry>
580
686
      <varlistentry>
581
687
        <term>
582
 
          <ulink
583
 
              url="http://www.gnu.org/software/gnutls/">GnuTLS</ulink>
 
688
          <ulink url="http://www.gnu.org/software/gnutls/"
 
689
          >GnuTLS</ulink>
584
690
        </term>
585
691
      <listitem>
586
692
        <para>
592
698
      </varlistentry>
593
699
      <varlistentry>
594
700
        <term>
595
 
          <citation>RFC 4291: <citetitle>IP Version 6 Addressing
596
 
          Architecture</citetitle>, section 2.5.6, Link-Local IPv6
597
 
          Unicast Addresses</citation>
 
701
          RFC 4291: <citetitle>IP Version 6 Addressing
 
702
          Architecture</citetitle>
598
703
        </term>
599
704
        <listitem>
600
 
          <para>
601
 
            The clients use IPv6 link-local addresses, which are
602
 
            immediately usable since a link-local addresses is
603
 
            automatically assigned to a network interfaces when it is
604
 
            brought up.
605
 
          </para>
 
705
          <variablelist>
 
706
            <varlistentry>
 
707
              <term>Section 2.2: <citetitle>Text Representation of
 
708
              Addresses</citetitle></term>
 
709
              <listitem><para/></listitem>
 
710
            </varlistentry>
 
711
            <varlistentry>
 
712
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
 
713
              Address</citetitle></term>
 
714
              <listitem><para/></listitem>
 
715
            </varlistentry>
 
716
            <varlistentry>
 
717
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
 
718
            Addresses</citetitle></term>
 
719
            <listitem>
 
720
              <para>
 
721
                The clients use IPv6 link-local addresses, which are
 
722
                immediately usable since a link-local addresses is
 
723
                automatically assigned to a network interfaces when it
 
724
                is brought up.
 
725
              </para>
 
726
            </listitem>
 
727
            </varlistentry>
 
728
          </variablelist>
606
729
        </listitem>
607
730
      </varlistentry>
608
731
      <varlistentry>
609
732
        <term>
610
 
          <citation>RFC 4346: <citetitle>The Transport Layer Security
611
 
          (TLS) Protocol Version 1.1</citetitle></citation>
 
733
          RFC 4346: <citetitle>The Transport Layer Security (TLS)
 
734
          Protocol Version 1.1</citetitle>
612
735
        </term>
613
736
      <listitem>
614
737
        <para>
618
741
      </varlistentry>
619
742
      <varlistentry>
620
743
        <term>
621
 
          <citation>RFC 4880: <citetitle>OpenPGP Message
622
 
          Format</citetitle></citation>
 
744
          RFC 4880: <citetitle>OpenPGP Message Format</citetitle>
623
745
        </term>
624
746
      <listitem>
625
747
        <para>
629
751
      </varlistentry>
630
752
      <varlistentry>
631
753
        <term>
632
 
          <citation>RFC 5081: <citetitle>Using OpenPGP Keys for
633
 
          Transport Layer Security</citetitle></citation>
 
754
          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
 
755
          Security</citetitle>
634
756
        </term>
635
757
      <listitem>
636
758
        <para>
642
764
    </variablelist>
643
765
  </refsect1>
644
766
</refentry>
 
767
<!-- Local Variables: -->
 
768
<!-- time-stamp-start: "<!ENTITY TIMESTAMP [\"']" -->
 
769
<!-- time-stamp-end: "[\"']>" -->
 
770
<!-- time-stamp-format: "%:y-%02m-%02d" -->
 
771
<!-- End: -->