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20
<firstname>Björn</firstname>
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<surname>Påhlsson</surname>
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<email>belorn@recompile.se</email>
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<email>belorn@fukt.bsnet.se</email>
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<firstname>Teddy</firstname>
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<surname>Hogeborn</surname>
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<email>teddy@recompile.se</email>
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<email>teddy@fukt.bsnet.se</email>
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36
<holder>Teddy Hogeborn</holder>
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<holder>Björn Påhlsson</holder>
66
62
><refentrytitle>mandos</refentrytitle>
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63
<manvolnum>8</manvolnum></citerefentry>, read by it at startup.
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64
The file needs to list all clients that should be able to use
69
the service. The settings in this file can be overridden by
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runtime changes to the server, which it saves across restarts.
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(See the section called <quote>PERSISTENT STATE</quote> in
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<citerefentry><refentrytitle>mandos</refentrytitle><manvolnum
73
>8</manvolnum></citerefentry>.) However, any <emphasis
74
>changes</emphasis> to this file (including adding and removing
75
clients) will, at startup, override changes done during runtime.
65
the service. All clients listed will be regarded as valid, even
66
if a client was declared invalid in a previous run of the
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70
The format starts with a <literal>[<replaceable>section
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<term><option>approval_delay<literal> = </literal><replaceable
112
>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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How long to wait for external approval before resorting to
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use the <option>approved_by_default</option> value. The
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default is <quote>PT0S</quote>, i.e. not to wait.
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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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<term><option>approval_duration<literal> = </literal
131
><replaceable>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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How long an external approval lasts. The default is 1
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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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<term><option>approved_by_default<literal> = </literal
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>{ <literal >1</literal> | <literal>yes</literal> | <literal
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>true</literal> | <literal>on</literal> | <literal
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>0</literal> | <literal>no</literal> | <literal
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>false</literal> | <literal>off</literal> }</option></term>
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Whether to approve a client by default after
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the <option>approval_delay</option>. The default
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is <quote>True</quote>.
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<term><option>timeout<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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The timeout is how long the server will wait for a
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successful checker run until a client is considered
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invalid - that is, ineligible to get the data this server
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holds. By default Mandos will use 1 hour.
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The <replaceable>TIME</replaceable> is specified as a
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space-separated number of values, each of which is a
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number and a one-character suffix. The suffix must be one
119
of <quote>d</quote>, <quote>s</quote>, <quote>m</quote>,
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<quote>h</quote>, and <quote>w</quote> for days, seconds,
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minutes, hours, and weeks, respectively. The values are
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added together to give the total time value, so all of
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<quote><literal>330s</literal></quote>,
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<quote><literal>110s 110s 110s</literal></quote>, and
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<quote><literal>5m 30s</literal></quote> will give a value
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of five minutes and thirty seconds.
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<term><option>interval<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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How often to run the checker to confirm that a client is
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still up. <emphasis>Note:</emphasis> a new checker will
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not be started if an old one is still running. The server
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will wait for a checker to complete until the above
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<quote><varname>timeout</varname></quote> occurs, at which
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time the client will be marked invalid, and any running
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checker killed. The default interval is 5 minutes.
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The format of <replaceable>TIME</replaceable> is the same
149
as for <varname>timeout</varname> above.
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This option is <emphasis>optional</emphasis>.
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This option overrides the default shell command that the
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server will use to check if the client is still up. Any
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output of the command will be ignored, only the exit code
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is checked: If the exit code of the command is zero, the
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client is considered up. The command will be run using
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<quote><command><filename>/bin/sh</filename>
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This option allows you to override the default shell
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command that the server will use to check if the client is
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still up. Any output of the command will be ignored, only
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the exit code is checked: If the exit code of the command
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is zero, the client is considered up. The command will be
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run using <quote><command><filename>/bin/sh</filename>
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168
<option>-c</option></command></quote>, so
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169
<varname>PATH</varname> will be searched. The default
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170
value for the checker command is <quote><literal
179
171
><command>fping</command> <option>-q</option> <option
180
>--</option> %%(host)s</literal></quote>. Note that
181
<command>mandos-keygen</command>, when generating output
182
to be inserted into this file, normally looks for an SSH
183
server on the Mandos client, and, if it find one, outputs
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a <option>checker</option> option to check for the
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client’s key fingerprint – this is more secure against
172
>--</option> %(host)s</literal></quote>.
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175
In addition to normal start time expansion, this option
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<term><option>extended_timeout<literal> = </literal><replaceable
198
>TIME</replaceable></option></term>
201
This option is <emphasis>optional</emphasis>.
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Extended timeout is an added timeout that is given once
205
after a password has been sent successfully to a client.
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The timeout is by default longer than the normal timeout,
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and is used for handling the extra long downtime while a
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machine is booting up. Time to take into consideration
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when changing this value is file system checks and quota
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checks. The default value is 15 minutes.
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The format of <replaceable>TIME</replaceable> is the same
214
as for <varname>timeout</varname> below.
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<term><option>fingerprint<literal> = </literal
221
184
><replaceable>HEXSTRING</replaceable></option></term>
236
<term><option><literal>host = </literal><replaceable
237
>STRING</replaceable></option></term>
240
This option is <emphasis>optional</emphasis>, but highly
241
<emphasis>recommended</emphasis> unless the
242
<option>checker</option> option is modified to a
243
non-standard value without <quote>%%(host)s</quote> in it.
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Host name for this client. This is not used by the server
247
directly, but can be, and is by default, used by the
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checker. See the <option>checker</option> option.
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<term><option>interval<literal> = </literal><replaceable
255
>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
261
How often to run the checker to confirm that a client is
262
still up. <emphasis>Note:</emphasis> a new checker will
263
not be started if an old one is still running. The server
264
will wait for a checker to complete until the below
265
<quote><varname>timeout</varname></quote> occurs, at which
266
time the client will be disabled, and any running checker
267
killed. The default interval is 2 minutes.
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The format of <replaceable>TIME</replaceable> is the same
271
as for <varname>timeout</varname> below.
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<term><option>secfile<literal> = </literal><replaceable
278
>FILENAME</replaceable></option></term>
281
This option is only used if <option>secret</option> is not
282
specified, in which case this option is
283
<emphasis>required</emphasis>.
286
Similar to the <option>secret</option>, except the secret
287
data is in an external file. The contents of the file
288
should <emphasis>not</emphasis> be base64-encoded, but
289
will be sent to clients verbatim.
292
File names of the form <filename>~user/foo/bar</filename>
293
and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
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<term><option>secret<literal> = </literal><replaceable
301
200
>BASE64_ENCODED_DATA</replaceable></option></term>
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<term><option>timeout<literal> = </literal><replaceable
331
>TIME</replaceable></option></term>
229
<term><option>secfile<literal> = </literal><replaceable
230
>FILENAME</replaceable></option></term>
334
This option is <emphasis>optional</emphasis>.
337
The timeout is how long the server will wait, after a
338
successful checker run, until a client is disabled and not
339
allowed to get the data this server holds. By default
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Mandos will use 5 minutes. See also the
341
<option>extended_timeout</option> option.
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The <replaceable>TIME</replaceable> is specified as an RFC
345
3339 duration; for example
346
<quote><literal>P1Y2M3DT4H5M6S</literal></quote> meaning
347
one year, two months, three days, four hours, five
348
minutes, and six seconds. Some values can be omitted, see
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RFC 3339 Appendix A for details.
233
This option is only used if <option>secret</option> is not
234
specified, in which case this option is
235
<emphasis>required</emphasis>.
238
Similar to the <option>secret</option>, except the secret
239
data is in an external file. The contents of the file
240
should <emphasis>not</emphasis> be base64-encoded, but
241
will be sent to clients verbatim.
244
File names of the form <filename>~user/foo/bar</filename>
245
and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
355
<term><option>enabled<literal> = </literal>{ <literal
356
>1</literal> | <literal>yes</literal> | <literal>true</literal
357
> | <literal >on</literal> | <literal>0</literal> | <literal
358
>no</literal> | <literal>false</literal> | <literal
359
>off</literal> }</option></term>
252
<term><option><literal>host = </literal><replaceable
253
>STRING</replaceable></option></term>
362
Whether this client should be enabled by default. The
363
default is <quote>true</quote>.
256
This option is <emphasis>optional</emphasis>, but highly
257
<emphasis>recommended</emphasis> unless the
258
<option>checker</option> option is modified to a
259
non-standard value without <quote>%(host)s</quote> in it.
262
Host name for this client. This is not used by the server
263
directly, but can be, and is by default, used by the
264
checker. See the <option>checker</option> option.
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<quote><literal>%%(<replaceable>foo</replaceable>)s</literal
404
305
></quote> will be replaced by the value of the attribute
405
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<varname>foo</varname> of the internal
406
<quote><classname>Client</classname></quote> object in the
407
Mandos server. The currently allowed values for
408
<replaceable>foo</replaceable> are:
409
<quote><literal>approval_delay</literal></quote>,
410
<quote><literal>approval_duration</literal></quote>,
411
<quote><literal>created</literal></quote>,
412
<quote><literal>enabled</literal></quote>,
413
<quote><literal>expires</literal></quote>,
414
<quote><literal>fingerprint</literal></quote>,
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<quote><literal>host</literal></quote>,
416
<quote><literal>interval</literal></quote>,
417
<quote><literal>last_approval_request</literal></quote>,
418
<quote><literal>last_checked_ok</literal></quote>,
419
<quote><literal>last_enabled</literal></quote>,
420
<quote><literal>name</literal></quote>,
421
<quote><literal>timeout</literal></quote>, and, if using
422
D-Bus, <quote><literal>dbus_object_path</literal></quote>.
423
See the source code for details. <emphasis role="strong"
424
>Currently, <emphasis>none</emphasis> of these attributes
425
except <quote><literal>host</literal></quote> are guaranteed
426
to be valid in future versions.</emphasis> Therefore, please
427
let the authors know of any attributes that are useful so they
428
may be preserved to any new versions of this software.
307
<quote><classname>Client</classname></quote> object. See the
308
source code for details, and let the authors know of any
309
attributes that are useful so they may be preserved to any new
310
versions of this software.
431
313
Note that this means that, in order to include an actual
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386
<refsect1 id="see_also">
507
387
<title>SEE ALSO</title>
509
<citerefentry><refentrytitle>intro</refentrytitle>
510
<manvolnum>8mandos</manvolnum></citerefentry>,
511
389
<citerefentry><refentrytitle>mandos-keygen</refentrytitle>
512
390
<manvolnum>8</manvolnum></citerefentry>,
513
391
<citerefentry><refentrytitle>mandos.conf</refentrytitle>
514
392
<manvolnum>5</manvolnum></citerefentry>,
515
393
<citerefentry><refentrytitle>mandos</refentrytitle>
516
<manvolnum>8</manvolnum></citerefentry>,
517
<citerefentry><refentrytitle>fping</refentrytitle>
518
394
<manvolnum>8</manvolnum></citerefentry>
523
RFC 3339: <citetitle>Date and Time on the Internet:
524
Timestamps</citetitle>
528
The time intervals are in the "duration" format, as
529
specified in ABNF in Appendix A of RFC 3339.
536
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