73
63
><refentrytitle>mandos</refentrytitle>
74
64
<manvolnum>8</manvolnum></citerefentry>, read by it at startup.
75
65
The file needs to list all clients that should be able to use
76
the service. The settings in this file can be overridden by
77
runtime changes to the server, which it saves across restarts.
78
(See the section called <quote>PERSISTENT STATE</quote> in
79
<citerefentry><refentrytitle>mandos</refentrytitle><manvolnum
80
>8</manvolnum></citerefentry>.) However, any <emphasis
81
>changes</emphasis> to this file (including adding and removing
82
clients) will, at startup, override changes done during runtime.
66
the service. All clients listed will be regarded as valid, even
67
if a client was declared invalid in a previous run of the
85
71
The format starts with a <literal>[<replaceable>section
118
<term><option>approval_delay<literal> = </literal><replaceable
119
>TIME</replaceable></option></term>
122
This option is <emphasis>optional</emphasis>.
125
How long to wait for external approval before resorting to
126
use the <option>approved_by_default</option> value. The
127
default is <quote>PT0S</quote>, i.e. not to wait.
130
The format of <replaceable>TIME</replaceable> is the same
131
as for <varname>timeout</varname> below.
137
<term><option>approval_duration<literal> = </literal
138
><replaceable>TIME</replaceable></option></term>
141
This option is <emphasis>optional</emphasis>.
144
How long an external approval lasts. The default is 1
148
The format of <replaceable>TIME</replaceable> is the same
149
as for <varname>timeout</varname> below.
155
<term><option>approved_by_default<literal> = </literal
156
>{ <literal >1</literal> | <literal>yes</literal> | <literal
157
>true</literal> | <literal>on</literal> | <literal
158
>0</literal> | <literal>no</literal> | <literal
159
>false</literal> | <literal>off</literal> }</option></term>
162
Whether to approve a client by default after
163
the <option>approval_delay</option>. The default
164
is <quote>True</quote>.
104
<term><option>timeout<literal> = </literal><replaceable
105
>TIME</replaceable></option></term>
108
This option is <emphasis>optional</emphasis>.
111
The timeout is how long the server will wait (for either a
112
successful checker run or a client receiving its secret)
113
until a client is considered invalid - that is, ineligible
114
to get the data this server holds. By default Mandos will
118
The <replaceable>TIME</replaceable> is specified as a
119
space-separated number of values, each of which is a
120
number and a one-character suffix. The suffix must be one
121
of <quote>d</quote>, <quote>s</quote>, <quote>m</quote>,
122
<quote>h</quote>, and <quote>w</quote> for days, seconds,
123
minutes, hours, and weeks, respectively. The values are
124
added together to give the total time value, so all of
125
<quote><literal>330s</literal></quote>,
126
<quote><literal>110s 110s 110s</literal></quote>, and
127
<quote><literal>5m 30s</literal></quote> will give a value
128
of five minutes and thirty seconds.
134
<term><option>interval<literal> = </literal><replaceable
135
>TIME</replaceable></option></term>
138
This option is <emphasis>optional</emphasis>.
141
How often to run the checker to confirm that a client is
142
still up. <emphasis>Note:</emphasis> a new checker will
143
not be started if an old one is still running. The server
144
will wait for a checker to complete until the above
145
<quote><varname>timeout</varname></quote> occurs, at which
146
time the client will be marked invalid, and any running
147
checker killed. The default interval is 5 minutes.
150
The format of <replaceable>TIME</replaceable> is the same
151
as for <varname>timeout</varname> above.
174
161
This option is <emphasis>optional</emphasis>.
177
This option overrides the default shell command that the
178
server will use to check if the client is still up. Any
179
output of the command will be ignored, only the exit code
180
is checked: If the exit code of the command is zero, the
181
client is considered up. The command will be run using
182
<quote><command><filename>/bin/sh</filename>
164
This option allows you to override the default shell
165
command that the server will use to check if the client is
166
still up. Any output of the command will be ignored, only
167
the exit code is checked: If the exit code of the command
168
is zero, the client is considered up. The command will be
169
run using <quote><command><filename>/bin/sh</filename>
183
170
<option>-c</option></command></quote>, so
184
171
<varname>PATH</varname> will be searched. The default
185
172
value for the checker command is <quote><literal
186
173
><command>fping</command> <option>-q</option> <option
187
>--</option> %%(host)s</literal></quote>. Note that
188
<command>mandos-keygen</command>, when generating output
189
to be inserted into this file, normally looks for an SSH
190
server on the Mandos client, and, if it finds one, outputs
191
a <option>checker</option> option to check for the
192
client’s SSH key fingerprint – this is more secure against
174
>--</option> %%(host)s</literal></quote>.
196
177
In addition to normal start time expansion, this option
204
<term><option>extended_timeout<literal> = </literal><replaceable
205
>TIME</replaceable></option></term>
208
This option is <emphasis>optional</emphasis>.
211
Extended timeout is an added timeout that is given once
212
after a password has been sent successfully to a client.
213
The timeout is by default longer than the normal timeout,
214
and is used for handling the extra long downtime while a
215
machine is booting up. Time to take into consideration
216
when changing this value is file system checks and quota
217
checks. The default value is 15 minutes.
220
The format of <replaceable>TIME</replaceable> is the same
221
as for <varname>timeout</varname> below.
227
185
<term><option>fingerprint<literal> = </literal
228
186
><replaceable>HEXSTRING</replaceable></option></term>
231
This option is <emphasis>required</emphasis> if the
232
<option>key_id</option> is not set, and
233
<emphasis>optional</emphasis> otherwise.
236
This option sets the OpenPGP fingerprint that (before
237
GnuTLS 3.6.0) identified the public key that clients
238
authenticate themselves with through TLS. The string
239
needs to be in hexadecimal form, but spaces or upper/lower
240
case are not significant.
246
<term><option>key_id<literal> = </literal
247
><replaceable>HEXSTRING</replaceable></option></term>
250
This option is <emphasis>required</emphasis> if the
251
<option>fingerprint</option> is not set, and
252
<emphasis>optional</emphasis> otherwise.
255
This option sets the certificate key ID that (with GnuTLS
256
3.6.6 or later) identifies the public key that clients
257
authenticate themselves with through TLS. The string
258
needs to be in hexadecimal form, but spaces or upper/lower
259
case are not significant.
265
<term><option><literal>host = </literal><replaceable
266
>STRING</replaceable></option></term>
269
This option is <emphasis>optional</emphasis>, but highly
270
<emphasis>recommended</emphasis> unless the
271
<option>checker</option> option is modified to a
272
non-standard value without <quote>%%(host)s</quote> in it.
275
Host name for this client. This is not used by the server
276
directly, but can be, and is by default, used by the
277
checker. See the <option>checker</option> option.
283
<term><option>interval<literal> = </literal><replaceable
284
>TIME</replaceable></option></term>
287
This option is <emphasis>optional</emphasis>.
290
How often to run the checker to confirm that a client is
291
still up. <emphasis>Note:</emphasis> a new checker will
292
not be started if an old one is still running. The server
293
will wait for a checker to complete until the below
294
<quote><varname>timeout</varname></quote> occurs, at which
295
time the client will be disabled, and any running checker
296
killed. The default interval is 2 minutes.
299
The format of <replaceable>TIME</replaceable> is the same
300
as for <varname>timeout</varname> below.
306
<term><option>secfile<literal> = </literal><replaceable
307
>FILENAME</replaceable></option></term>
310
This option is only used if <option>secret</option> is not
311
specified, in which case this option is
312
<emphasis>required</emphasis>.
315
Similar to the <option>secret</option>, except the secret
316
data is in an external file. The contents of the file
317
should <emphasis>not</emphasis> be base64-encoded, but
318
will be sent to clients verbatim.
321
File names of the form <filename>~user/foo/bar</filename>
322
and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
189
This option is <emphasis>required</emphasis>.
192
This option sets the OpenPGP fingerprint that identifies
193
the public key that clients authenticate themselves with
194
through TLS. The string needs to be in hexidecimal form,
195
but spaces or upper/lower case are not significant.
338
210
If present, this option must be set to a string of
339
211
base64-encoded binary data. It will be decoded and sent
340
to the client matching the above <option>key_id</option>
341
or <option>fingerprint</option>. This should, of course,
342
be OpenPGP encrypted data, decryptable only by the client.
212
to the client matching the above
213
<option>fingerprint</option>. This should, of course, be
214
OpenPGP encrypted data, decryptable only by the client.
343
215
The program <citerefentry><refentrytitle><command
344
216
>mandos-keygen</command></refentrytitle><manvolnum
345
217
>8</manvolnum></citerefentry> can, using its
359
<term><option>timeout<literal> = </literal><replaceable
360
>TIME</replaceable></option></term>
231
<term><option>secfile<literal> = </literal><replaceable
232
>FILENAME</replaceable></option></term>
363
This option is <emphasis>optional</emphasis>.
366
The timeout is how long the server will wait, after a
367
successful checker run, until a client is disabled and not
368
allowed to get the data this server holds. By default
369
Mandos will use 5 minutes. See also the
370
<option>extended_timeout</option> option.
373
The <replaceable>TIME</replaceable> is specified as an RFC
374
3339 duration; for example
375
<quote><literal>P1Y2M3DT4H5M6S</literal></quote> meaning
376
one year, two months, three days, four hours, five
377
minutes, and six seconds. Some values can be omitted, see
378
RFC 3339 Appendix A for details.
235
This option is only used if <option>secret</option> is not
236
specified, in which case this option is
237
<emphasis>required</emphasis>.
240
Similar to the <option>secret</option>, except the secret
241
data is in an external file. The contents of the file
242
should <emphasis>not</emphasis> be base64-encoded, but
243
will be sent to clients verbatim.
246
File names of the form <filename>~user/foo/bar</filename>
247
and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
384
<term><option>enabled<literal> = </literal>{ <literal
385
>1</literal> | <literal>yes</literal> | <literal>true</literal
386
> | <literal >on</literal> | <literal>0</literal> | <literal
387
>no</literal> | <literal>false</literal> | <literal
388
>off</literal> }</option></term>
254
<term><option><literal>host = </literal><replaceable
255
>STRING</replaceable></option></term>
391
Whether this client should be enabled by default. The
392
default is <quote>true</quote>.
258
This option is <emphasis>optional</emphasis>, but highly
259
<emphasis>recommended</emphasis> unless the
260
<option>checker</option> option is modified to a
261
non-standard value without <quote>%%(host)s</quote> in it.
264
Host name for this client. This is not used by the server
265
directly, but can be, and is by default, used by the
266
checker. See the <option>checker</option> option.
432
306
<quote><literal>%%(<replaceable>foo</replaceable>)s</literal
433
307
></quote> will be replaced by the value of the attribute
434
308
<varname>foo</varname> of the internal
435
<quote><classname>Client</classname></quote> object in the
436
Mandos server. The currently allowed values for
437
<replaceable>foo</replaceable> are:
438
<quote><literal>approval_delay</literal></quote>,
439
<quote><literal>approval_duration</literal></quote>,
440
<quote><literal>created</literal></quote>,
441
<quote><literal>enabled</literal></quote>,
442
<quote><literal>expires</literal></quote>,
443
<quote><literal>key_id</literal></quote>,
444
<quote><literal>fingerprint</literal></quote>,
445
<quote><literal>host</literal></quote>,
446
<quote><literal>interval</literal></quote>,
447
<quote><literal>last_approval_request</literal></quote>,
448
<quote><literal>last_checked_ok</literal></quote>,
449
<quote><literal>last_enabled</literal></quote>,
450
<quote><literal>name</literal></quote>,
451
<quote><literal>timeout</literal></quote>, and, if using
452
D-Bus, <quote><literal>dbus_object_path</literal></quote>.
453
See the source code for details. <emphasis role="strong"
454
>Currently, <emphasis>none</emphasis> of these attributes
455
except <quote><literal>host</literal></quote> are guaranteed
456
to be valid in future versions.</emphasis> Therefore, please
457
let the authors know of any attributes that are useful so they
458
may be preserved to any new versions of this software.
309
<quote><classname>Client</classname></quote> object. See the
310
source code for details, and let the authors know of any
311
attributes that are useful so they may be preserved to any new
312
versions of this software.
461
315
Note that this means that, in order to include an actual
539
388
<refsect1 id="see_also">
540
389
<title>SEE ALSO</title>
542
<citerefentry><refentrytitle>intro</refentrytitle>
543
<manvolnum>8mandos</manvolnum></citerefentry>,
544
391
<citerefentry><refentrytitle>mandos-keygen</refentrytitle>
545
392
<manvolnum>8</manvolnum></citerefentry>,
546
393
<citerefentry><refentrytitle>mandos.conf</refentrytitle>
547
394
<manvolnum>5</manvolnum></citerefentry>,
548
395
<citerefentry><refentrytitle>mandos</refentrytitle>
549
<manvolnum>8</manvolnum></citerefentry>,
550
<citerefentry><refentrytitle>fping</refentrytitle>
551
396
<manvolnum>8</manvolnum></citerefentry>
556
RFC 3339: <citetitle>Date and Time on the Internet:
557
Timestamps</citetitle>
561
The time intervals are in the "duration" format, as
562
specified in ABNF in Appendix A of RFC 3339.
569
400
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