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  • Committer: Teddy Hogeborn
  • Date: 2008-12-10 01:26:02 UTC
  • mfrom: (237.1.2 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20081210012602-vhz3h75xkj24t340
First version of a somewhat complete D-Bus server interface.  Also
change user/group name to "_mandos".

* debian/mandos.postinst: Rename old "mandos" user and group to
                          "_mandos"; create "_mandos" user and group
                          if none exist.
* debian/mandos-client.postinst: - '' -

* initramfs-tools-hook: Try "_mandos" before "mandos" as user and
                        group name.

* mandos (_datetime_to_dbus_struct): New; was previously local.
  (Client.started): Renamed to "last_started".  All users changed.
  (Client.started): New; boolean.
  (Client.dbus_object_path): New.
  (Client.check_command): Renamed to "checker_command".  All users
                          changed.
  (Client.__init__): Set and use "self.dbus_object_path".  Set
                     "self.started".
  (Client.start): Update "self.started".  Emit "self.PropertyChanged"
                  signals for both "started" and "last_started".
  (Client.stop): Update "self.started".  Emit "self.PropertyChanged"
                 signal for "started".
  (Client.checker_callback): Take additional "command" argument.  All
                             callers changed. Emit
                             "self.PropertyChanged" signal.
  (Client.bump_timeout): Emit "self.PropertyChanged" signal for
                         "last_checked_ok".
  (Client.start_checker): Emit "self.PropertyChanged" signal for
                          "checker_running".
  (Client.stop_checker): Emit "self.PropertyChanged" signal for
                         "checker_running".
  (Client.still_valid): Bug fix: use "getattr(self, started, False)"
                        instead of "self.started" in case this client
                        object is so new that the "started" attribute
                        has not been created yet.
  (Client.IntervalChanged, Client.CheckerIsRunning, Client.GetChecker,
  Client.GetCreated, Client.GetFingerprint, Client.GetHost,
  Client.GetInterval, Client.GetName, Client.GetStarted,
  Client.GetTimeout, Client.StateChanged, Client.TimeoutChanged):
  Removed; all callers changed.
  (Client.CheckerCompleted): Add "condition" and "command" arguments.
                             All callers changed.
  (Client.GetAllProperties, Client.PropertyChanged): New.
  (Client.StillValid): Renamed to "IsStillValid".
  (Client.StartChecker): Changed to its own function to avoid the
                         return value from "Client.start_checker()".
  (Client.Stop): Changed to its own function to avoid the return value
                 from "Client.stop()".
  (main): Try "_mandos" before "mandos" as user and group name.
          Removed inner function "remove_from_clients".  New inner
          class "MandosServer".

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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>
 
12
    <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>
 
16
    <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
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        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>
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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"/>
58
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  </refentryinfo>
59
 
 
 
40
  
60
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  <refmeta>
61
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    <refentrytitle>&COMMANDNAME;</refentrytitle>
62
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    <manvolnum>8</manvolnum>
65
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  <refnamediv>
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    <refname><command>&COMMANDNAME;</command></refname>
67
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    <refpurpose>
68
 
      Sends encrypted passwords to authenticated Mandos clients
 
49
      Gives encrypted passwords to authenticated Mandos clients
69
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    </refpurpose>
70
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  </refnamediv>
71
 
 
 
52
  
72
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  <refsynopsisdiv>
73
54
    <cmdsynopsis>
74
55
      <command>&COMMANDNAME;</command>
75
 
      <arg>--interface<arg choice="plain">NAME</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">NAME</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
 
58
        <replaceable>NAME</replaceable></option></arg>
 
59
        <arg choice="plain"><option>-i
 
60
        <replaceable>NAME</replaceable></option></arg>
 
61
      </group>
 
62
      <sbr/>
 
63
      <group>
 
64
        <arg choice="plain"><option>--address
 
65
        <replaceable>ADDRESS</replaceable></option></arg>
 
66
        <arg choice="plain"><option>-a
 
67
        <replaceable>ADDRESS</replaceable></option></arg>
 
68
      </group>
 
69
      <sbr/>
 
70
      <group>
 
71
        <arg choice="plain"><option>--port
 
72
        <replaceable>PORT</replaceable></option></arg>
 
73
        <arg choice="plain"><option>-p
 
74
        <replaceable>PORT</replaceable></option></arg>
 
75
      </group>
 
76
      <sbr/>
 
77
      <arg><option>--priority
 
78
      <replaceable>PRIORITY</replaceable></option></arg>
 
79
      <sbr/>
 
80
      <arg><option>--servicename
 
81
      <replaceable>NAME</replaceable></option></arg>
 
82
      <sbr/>
 
83
      <arg><option>--configdir
 
84
      <replaceable>DIRECTORY</replaceable></option></arg>
 
85
      <sbr/>
 
86
      <arg><option>--debug</option></arg>
92
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    </cmdsynopsis>
93
88
    <cmdsynopsis>
94
89
      <command>&COMMANDNAME;</command>
95
90
      <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>
98
93
      </group>
99
94
    </cmdsynopsis>
100
95
    <cmdsynopsis>
101
96
      <command>&COMMANDNAME;</command>
102
 
      <arg choice="plain">--version</arg>
 
97
      <arg choice="plain"><option>--version</option></arg>
103
98
    </cmdsynopsis>
104
99
    <cmdsynopsis>
105
100
      <command>&COMMANDNAME;</command>
106
 
      <arg choice="plain">--check</arg>
 
101
      <arg choice="plain"><option>--check</option></arg>
107
102
    </cmdsynopsis>
108
103
  </refsynopsisdiv>
109
 
 
 
104
  
110
105
  <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
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      password for that specific client.
123
118
    </para>
124
 
 
125
119
  </refsect1>
126
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127
121
  <refsect1 id="purpose">
128
122
    <title>PURPOSE</title>
129
 
 
130
123
    <para>
131
124
      The purpose of this is to enable <emphasis>remote and unattended
132
125
      rebooting</emphasis> of client host computer with an
133
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      <emphasis>encrypted root file system</emphasis>.  See <xref
134
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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
132
    <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>
145
137
        <listitem>
146
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          <para>
147
139
            Show a help message and exit
148
140
          </para>
149
141
        </listitem>
150
142
      </varlistentry>
151
 
 
 
143
      
152
144
      <varlistentry>
153
 
        <term><literal>-i</literal>, <literal>--interface <replaceable
154
 
        >NAME</replaceable></literal></term>
 
145
        <term><option>--interface</option>
 
146
        <replaceable>NAME</replaceable></term>
 
147
        <term><option>-i</option>
 
148
        <replaceable>NAME</replaceable></term>
155
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        <listitem>
156
150
          <xi:include href="mandos-options.xml" xpointer="interface"/>
157
151
        </listitem>
158
152
      </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
 
158
        <replaceable>ADDRESS</replaceable></option></term>
163
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        <listitem>
164
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          <xi:include href="mandos-options.xml" xpointer="address"/>
165
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        </listitem>
166
162
      </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>
171
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        <listitem>
172
170
          <xi:include href="mandos-options.xml" xpointer="port"/>
173
171
        </listitem>
174
172
      </varlistentry>
175
 
 
 
173
      
176
174
      <varlistentry>
177
 
        <term><literal>--check</literal></term>
 
175
        <term><option>--check</option></term>
178
176
        <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>
183
181
        </listitem>
184
182
      </varlistentry>
185
 
 
 
183
      
186
184
      <varlistentry>
187
 
        <term><literal>--debug</literal></term>
 
185
        <term><option>--debug</option></term>
188
186
        <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
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        <listitem>
205
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          <xi:include href="mandos-options.xml"
206
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                      xpointer="servicename"/>
207
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        </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
211
        <listitem>
214
212
          <para>
215
213
            Directory to search for configuration files.  Default is
221
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          </para>
222
220
        </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
235
    <title>OVERVIEW</title>
238
236
    <xi:include href="overview.xml"/>
239
237
    <para>
240
238
      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>
300
298
      </row>
301
299
    </tbody></tgroup></table>
302
300
  </refsect1>
303
 
 
 
301
  
304
302
  <refsect1 id="checking">
305
303
    <title>CHECKING</title>
306
304
    <para>
314
312
      <manvolnum>5</manvolnum></citerefentry>.
315
313
    </para>
316
314
  </refsect1>
317
 
 
 
315
  
318
316
  <refsect1 id="logging">
319
317
    <title>LOGGING</title>
320
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    <para>
324
322
      and also show them on the console.
325
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    </para>
326
324
  </refsect1>
327
 
 
 
325
  
328
326
  <refsect1 id="exit_status">
329
327
    <title>EXIT STATUS</title>
330
328
    <para>
332
330
      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
339
        <listitem>
342
340
          <para>
343
341
            To start the configured checker (see <xref
352
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
380
        </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
386
            The file containing the process id of
423
421
      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
427
      There is currently no way of querying the server of the current
437
435
      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>
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      </para>
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    </informalexample>
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  </refsect1>
481
 
 
 
483
  
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  <refsect1 id="security">
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    <title>SECURITY</title>
484
 
    <refsect2 id="SERVER">
 
486
    <refsect2 id="server">
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      <title>SERVER</title>
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      <para>
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        Running this <command>&COMMANDNAME;</command> server program
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        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.
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      </para>
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    </refsect2>
493
 
    <refsect2 id="CLIENTS">
 
495
    <refsect2 id="clients">
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      <title>CLIENTS</title>
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      <para>
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        The server only gives out its stored data to clients which
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        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
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        <manvolnum>5</manvolnum></citerefentry>)
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        <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).
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      </para>
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      <para>
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        As detailed in <xref linkend="checking"/>, the status of all
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        restarting servers if it is suspected that a client has, in
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        fact, been compromised by parties who may now be running a
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        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
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        configuration file to omit any suspect clients, and restart
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        the server program.
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      </para>
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531
      <para>
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        For more details on client-side security, see
531
 
        <citerefentry><refentrytitle>password-request</refentrytitle>
 
533
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
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        <manvolnum>8mandos</manvolnum></citerefentry>.
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      </para>
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    </refsect2>
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  </refsect1>
536
 
 
 
538
  
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  <refsect1 id="see_also">
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540
    <title>SEE ALSO</title>
539
541
    <para>
540
542
      <citerefentry>
 
543
        <refentrytitle>mandos-clients.conf</refentrytitle>
 
544
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
541
545
        <refentrytitle>mandos.conf</refentrytitle>
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546
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
543
 
        <refentrytitle>mandos-clients.conf</refentrytitle>
544
 
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
545
 
        <refentrytitle>password-request</refentrytitle>
 
547
        <refentrytitle>mandos-client</refentrytitle>
546
548
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
547
549
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
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      </citerefentry>
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    </variablelist>
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  </refsect1>
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</refentry>
 
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