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  • Committer: Teddy Hogeborn
  • Date: 2008-08-16 03:29:08 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080816032908-ihw7c05r2mnyk389
Add feature to specify custom environment variables for plugins.

* plugin-runner.c (plugin): New members "environ" and "envc" to
                            contain possible custom environment.
  (getplugin): Return NULL on failure instead of doing exit(); all
               callers changed.
  (add_to_char_array): New helper function for "add_argument" and
                       "add_environment".
  (addargument): Renamed to "add_argument".  Return bool.  Call
                 "add_to_char_array" to actually do things.
  (add_environment): New; analogous to "add_argument".
  (addcustomargument): Renamed to "add_to_argv" to avoid confusion
                       with "add_argument".
  (main): New options "--global-envs" and "--envs-for" to specify
          custom environment for plugins.  Print environment for
          plugins in debug mode.  Use asprintf instead of strcpy and
          strcat.  Use execve() for plugins with custom environments.
          Free environment for plugin when freeing plugin list.

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Lines of Context:
mandos-keygen.xml
1
 
<?xml version="1.0" encoding="UTF-8"?>
2
 
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3
 
        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4
 
<!ENTITY COMMANDNAME "mandos-keygen">
5
 
<!ENTITY TIMESTAMP "2019-07-18">
6
 
<!ENTITY % common SYSTEM "common.ent">
7
 
%common;
8
 
]>
9
 
 
10
 
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
11
 
  <refentryinfo>
12
 
    <title>Mandos Manual</title>
13
 
    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
14
 
    <productname>Mandos</productname>
15
 
    <productnumber>&version;</productnumber>
16
 
    <date>&TIMESTAMP;</date>
17
 
    <authorgroup>
18
 
      <author>
19
 
        <firstname>Björn</firstname>
20
 
        <surname>Påhlsson</surname>
21
 
        <address>
22
 
          <email>belorn@recompile.se</email>
23
 
        </address>
24
 
      </author>
25
 
      <author>
26
 
        <firstname>Teddy</firstname>
27
 
        <surname>Hogeborn</surname>
28
 
        <address>
29
 
          <email>teddy@recompile.se</email>
30
 
        </address>
31
 
      </author>
32
 
    </authorgroup>
33
 
    <copyright>
34
 
      <year>2008</year>
35
 
      <year>2009</year>
36
 
      <year>2010</year>
37
 
      <year>2011</year>
38
 
      <year>2012</year>
39
 
      <year>2013</year>
40
 
      <year>2014</year>
41
 
      <year>2015</year>
42
 
      <year>2016</year>
43
 
      <year>2017</year>
44
 
      <year>2018</year>
45
 
      <year>2019</year>
46
 
      <holder>Teddy Hogeborn</holder>
47
 
      <holder>Björn Påhlsson</holder>
48
 
    </copyright>
49
 
    <xi:include href="legalnotice.xml"/>
50
 
  </refentryinfo>
51
 
  
52
 
  <refmeta>
53
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
54
 
    <manvolnum>8</manvolnum>
55
 
  </refmeta>
56
 
  
57
 
  <refnamediv>
58
 
    <refname><command>&COMMANDNAME;</command></refname>
59
 
    <refpurpose>
60
 
      Generate key and password for Mandos client and server.
61
 
    </refpurpose>
62
 
  </refnamediv>
63
 
  
64
 
  <refsynopsisdiv>
65
 
    <cmdsynopsis>
66
 
      <command>&COMMANDNAME;</command>
67
 
      <group>
68
 
        <arg choice="plain"><option>--dir
69
 
        <replaceable>DIRECTORY</replaceable></option></arg>
70
 
        <arg choice="plain"><option>-d
71
 
        <replaceable>DIRECTORY</replaceable></option></arg>
72
 
      </group>
73
 
      <sbr/>
74
 
      <group>
75
 
        <arg choice="plain"><option>--type
76
 
        <replaceable>KEYTYPE</replaceable></option></arg>
77
 
        <arg choice="plain"><option>-t
78
 
        <replaceable>KEYTYPE</replaceable></option></arg>
79
 
      </group>
80
 
      <sbr/>
81
 
      <group>
82
 
        <arg choice="plain"><option>--length
83
 
        <replaceable>BITS</replaceable></option></arg>
84
 
        <arg choice="plain"><option>-l
85
 
        <replaceable>BITS</replaceable></option></arg>
86
 
      </group>
87
 
      <sbr/>
88
 
      <group>
89
 
        <arg choice="plain"><option>--subtype
90
 
        <replaceable>KEYTYPE</replaceable></option></arg>
91
 
        <arg choice="plain"><option>-s
92
 
        <replaceable>KEYTYPE</replaceable></option></arg>
93
 
      </group>
94
 
      <sbr/>
95
 
      <group>
96
 
        <arg choice="plain"><option>--sublength
97
 
        <replaceable>BITS</replaceable></option></arg>
98
 
        <arg choice="plain"><option>-L
99
 
        <replaceable>BITS</replaceable></option></arg>
100
 
      </group>
101
 
      <sbr/>
102
 
      <group>
103
 
        <arg choice="plain"><option>--name
104
 
        <replaceable>NAME</replaceable></option></arg>
105
 
        <arg choice="plain"><option>-n
106
 
        <replaceable>NAME</replaceable></option></arg>
107
 
      </group>
108
 
      <sbr/>
109
 
      <group>
110
 
        <arg choice="plain"><option>--email
111
 
        <replaceable>ADDRESS</replaceable></option></arg>
112
 
        <arg choice="plain"><option>-e
113
 
        <replaceable>ADDRESS</replaceable></option></arg>
114
 
      </group>
115
 
      <sbr/>
116
 
      <group>
117
 
        <arg choice="plain"><option>--comment
118
 
        <replaceable>TEXT</replaceable></option></arg>
119
 
        <arg choice="plain"><option>-c
120
 
        <replaceable>TEXT</replaceable></option></arg>
121
 
      </group>
122
 
      <sbr/>
123
 
      <group>
124
 
        <arg choice="plain"><option>--expire
125
 
        <replaceable>TIME</replaceable></option></arg>
126
 
        <arg choice="plain"><option>-x
127
 
        <replaceable>TIME</replaceable></option></arg>
128
 
      </group>
129
 
      <sbr/>
130
 
      <group>
131
 
        <arg choice="plain"><option>--tls-keytype
132
 
        <replaceable>KEYTYPE</replaceable></option></arg>
133
 
        <arg choice="plain"><option>-T
134
 
        <replaceable>KEYTYPE</replaceable></option></arg>
135
 
      </group>
136
 
      <sbr/>
137
 
      <group>
138
 
        <arg choice="plain"><option>--force</option></arg>
139
 
        <arg choice="plain"><option>-f</option></arg>
140
 
      </group>
141
 
    </cmdsynopsis>
142
 
    <cmdsynopsis>
143
 
      <command>&COMMANDNAME;</command>
144
 
      <group choice="req">
145
 
        <arg choice="plain"><option>--password</option></arg>
146
 
        <arg choice="plain"><option>-p</option></arg>
147
 
        <arg choice="plain"><option>--passfile
148
 
        <replaceable>FILE</replaceable></option></arg>
149
 
        <arg choice="plain"><option>-F</option>
150
 
        <replaceable>FILE</replaceable></arg>
151
 
      </group>
152
 
      <sbr/>
153
 
      <group>
154
 
        <arg choice="plain"><option>--dir
155
 
        <replaceable>DIRECTORY</replaceable></option></arg>
156
 
        <arg choice="plain"><option>-d
157
 
        <replaceable>DIRECTORY</replaceable></option></arg>
158
 
      </group>
159
 
      <sbr/>
160
 
      <group>
161
 
        <arg choice="plain"><option>--name
162
 
        <replaceable>NAME</replaceable></option></arg>
163
 
        <arg choice="plain"><option>-n
164
 
        <replaceable>NAME</replaceable></option></arg>
165
 
      </group>
166
 
      <group>
167
 
        <arg choice="plain"><option>--no-ssh</option></arg>
168
 
        <arg choice="plain"><option>-S</option></arg>
169
 
      </group>
170
 
    </cmdsynopsis>
171
 
    <cmdsynopsis>
172
 
      <command>&COMMANDNAME;</command>
173
 
      <group choice="req">
174
 
        <arg choice="plain"><option>--help</option></arg>
175
 
        <arg choice="plain"><option>-h</option></arg>
176
 
      </group>
177
 
    </cmdsynopsis>
178
 
    <cmdsynopsis>
179
 
      <command>&COMMANDNAME;</command>
180
 
      <group choice="req">
181
 
        <arg choice="plain"><option>--version</option></arg>
182
 
        <arg choice="plain"><option>-v</option></arg>
183
 
      </group>
184
 
    </cmdsynopsis>
185
 
  </refsynopsisdiv>
186
 
  
187
 
  <refsect1 id="description">
188
 
    <title>DESCRIPTION</title>
189
 
    <para>
190
 
      <command>&COMMANDNAME;</command> is a program to generate the
191
 
      TLS and OpenPGP keys used by
192
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
193
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The keys are
194
 
      normally written to /etc/keys/mandos for later installation into
195
 
      the initrd image, but this, and most other things, can be
196
 
      changed with command line options.
197
 
    </para>
198
 
    <para>
199
 
      This program can also be used with the
200
 
      <option>--password</option> or <option>--passfile</option>
201
 
      options to generate a ready-made section for
202
 
      <filename>clients.conf</filename> (see
203
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
204
 
      <manvolnum>5</manvolnum></citerefentry>).
205
 
    </para>
206
 
  </refsect1>
207
 
  
208
 
  <refsect1 id="purpose">
209
 
    <title>PURPOSE</title>
210
 
    <para>
211
 
      The purpose of this is to enable <emphasis>remote and unattended
212
 
      rebooting</emphasis> of client host computer with an
213
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
214
 
      linkend="overview"/> for details.
215
 
    </para>
216
 
  </refsect1>
217
 
  
218
 
  <refsect1 id="options">
219
 
    <title>OPTIONS</title>
220
 
    
221
 
    <variablelist>
222
 
      <varlistentry>
223
 
        <term><option>--help</option></term>
224
 
        <term><option>-h</option></term>
225
 
        <listitem>
226
 
          <para>
227
 
            Show a help message and exit
228
 
          </para>
229
 
        </listitem>
230
 
      </varlistentry>
231
 
      
232
 
      <varlistentry>
233
 
        <term><option>--dir
234
 
        <replaceable>DIRECTORY</replaceable></option></term>
235
 
        <term><option>-d
236
 
        <replaceable>DIRECTORY</replaceable></option></term>
237
 
        <listitem>
238
 
          <para>
239
 
            Target directory for key files.  Default is <filename
240
 
            class="directory">/etc/keys/mandos</filename>.
241
 
          </para>
242
 
        </listitem>
243
 
      </varlistentry>
244
 
      
245
 
      <varlistentry>
246
 
        <term><option>--type
247
 
        <replaceable>TYPE</replaceable></option></term>
248
 
        <term><option>-t
249
 
        <replaceable>TYPE</replaceable></option></term>
250
 
        <listitem>
251
 
          <para>
252
 
            OpenPGP key type.  Default is <quote>RSA</quote>.
253
 
          </para>
254
 
        </listitem>
255
 
      </varlistentry>
256
 
      
257
 
      <varlistentry>
258
 
        <term><option>--length
259
 
        <replaceable>BITS</replaceable></option></term>
260
 
        <term><option>-l
261
 
        <replaceable>BITS</replaceable></option></term>
262
 
        <listitem>
263
 
          <para>
264
 
            OpenPGP key length in bits.  Default is 4096.
265
 
          </para>
266
 
        </listitem>
267
 
      </varlistentry>
268
 
      
269
 
      <varlistentry>
270
 
        <term><option>--subtype
271
 
        <replaceable>KEYTYPE</replaceable></option></term>
272
 
        <term><option>-s
273
 
        <replaceable>KEYTYPE</replaceable></option></term>
274
 
        <listitem>
275
 
          <para>
276
 
            OpenPGP subkey type.  Default is <quote>RSA</quote>
277
 
          </para>
278
 
        </listitem>
279
 
      </varlistentry>
280
 
      
281
 
      <varlistentry>
282
 
        <term><option>--sublength
283
 
        <replaceable>BITS</replaceable></option></term>
284
 
        <term><option>-L
285
 
        <replaceable>BITS</replaceable></option></term>
286
 
        <listitem>
287
 
          <para>
288
 
            OpenPGP subkey length in bits.  Default is 4096.
289
 
          </para>
290
 
        </listitem>
291
 
      </varlistentry>
292
 
      
293
 
      <varlistentry>
294
 
        <term><option>--email
295
 
        <replaceable>ADDRESS</replaceable></option></term>
296
 
        <term><option>-e
297
 
        <replaceable>ADDRESS</replaceable></option></term>
298
 
        <listitem>
299
 
          <para>
300
 
            Email address of key.  Default is empty.
301
 
          </para>
302
 
        </listitem>
303
 
      </varlistentry>
304
 
      
305
 
      <varlistentry>
306
 
        <term><option>--comment
307
 
        <replaceable>TEXT</replaceable></option></term>
308
 
        <term><option>-c
309
 
        <replaceable>TEXT</replaceable></option></term>
310
 
        <listitem>
311
 
          <para>
312
 
            Comment field for key.  Default is empty.
313
 
          </para>
314
 
        </listitem>
315
 
      </varlistentry>
316
 
      
317
 
      <varlistentry>
318
 
        <term><option>--expire
319
 
        <replaceable>TIME</replaceable></option></term>
320
 
        <term><option>-x
321
 
        <replaceable>TIME</replaceable></option></term>
322
 
        <listitem>
323
 
          <para>
324
 
            Key expire time.  Default is no expiration.  See
325
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
326
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
327
 
          </para>
328
 
        </listitem>
329
 
      </varlistentry>
330
 
      
331
 
      <varlistentry>
332
 
        <term><option>--tls-keytype
333
 
        <replaceable>KEYTYPE</replaceable></option></term>
334
 
        <term><option>-T
335
 
        <replaceable>KEYTYPE</replaceable></option></term>
336
 
        <listitem>
337
 
          <para>
338
 
            TLS key type.  Default is <quote>ed25519</quote>
339
 
          </para>
340
 
        </listitem>
341
 
      </varlistentry>
342
 
      
343
 
      <varlistentry>
344
 
        <term><option>--force</option></term>
345
 
        <term><option>-f</option></term>
346
 
        <listitem>
347
 
          <para>
348
 
            Force overwriting old key.
349
 
          </para>
350
 
        </listitem>
351
 
      </varlistentry>
352
 
      <varlistentry>
353
 
        <term><option>--password</option></term>
354
 
        <term><option>-p</option></term>
355
 
        <listitem>
356
 
          <para>
357
 
            Prompt for a password and encrypt it with the key already
358
 
            present in either <filename>/etc/keys/mandos</filename> or
359
 
            the directory specified with the <option>--dir</option>
360
 
            option.  Outputs, on standard output, a section suitable
361
 
            for inclusion in <citerefentry><refentrytitle
362
 
            >mandos-clients.conf</refentrytitle><manvolnum
363
 
            >8</manvolnum></citerefentry>.  The host name or the name
364
 
            specified with the <option>--name</option> option is used
365
 
            for the section header.  All other options are ignored,
366
 
            and no key is created.  Note: white space is stripped from
367
 
            the beginning and from the end of the password; See <xref
368
 
            linkend="bugs"/>.
369
 
          </para>
370
 
        </listitem>
371
 
      </varlistentry>
372
 
      <varlistentry>
373
 
        <term><option>--passfile
374
 
        <replaceable>FILE</replaceable></option></term>
375
 
        <term><option>-F
376
 
        <replaceable>FILE</replaceable></option></term>
377
 
        <listitem>
378
 
          <para>
379
 
            The same as <option>--password</option>, but read from
380
 
            <replaceable>FILE</replaceable>, not the terminal, and
381
 
            white space is not stripped from the password in any way.
382
 
          </para>
383
 
        </listitem>
384
 
      </varlistentry>
385
 
      <varlistentry>
386
 
        <term><option>--no-ssh</option></term>
387
 
        <term><option>-S</option></term>
388
 
        <listitem>
389
 
          <para>
390
 
            When <option>--password</option> or
391
 
            <option>--passfile</option> is given, this option will
392
 
            prevent <command>&COMMANDNAME;</command> from calling
393
 
            <command>ssh-keyscan</command> to get an SSH fingerprint
394
 
            for this host and, if successful, output suitable config
395
 
            options to use this fingerprint as a
396
 
            <option>checker</option> option in the output.  This is
397
 
            otherwise the default behavior.
398
 
          </para>
399
 
        </listitem>
400
 
      </varlistentry>
401
 
    </variablelist>
402
 
  </refsect1>
403
 
  
404
 
  <refsect1 id="overview">
405
 
    <title>OVERVIEW</title>
406
 
    <xi:include href="overview.xml"/>
407
 
    <para>
408
 
      This program is a small utility to generate new TLS and OpenPGP
409
 
      keys for new Mandos clients, and to generate sections for
410
 
      inclusion in <filename>clients.conf</filename> on the server.
411
 
    </para>
412
 
  </refsect1>
413
 
  
414
 
  <refsect1 id="exit_status">
415
 
    <title>EXIT STATUS</title>
416
 
    <para>
417
 
      The exit status will be 0 if a new key (or password, if the
418
 
      <option>--password</option> option was used) was successfully
419
 
      created, otherwise not.
420
 
    </para>
421
 
  </refsect1>
422
 
  
423
 
  <refsect1 id="environment">
424
 
    <title>ENVIRONMENT</title>
425
 
    <variablelist>
426
 
      <varlistentry>
427
 
        <term><envar>TMPDIR</envar></term>
428
 
        <listitem>
429
 
          <para>
430
 
            If set, temporary files will be created here. See
431
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
432
 
            <manvolnum>1</manvolnum></citerefentry>.
433
 
          </para>
434
 
        </listitem>
435
 
      </varlistentry>
436
 
    </variablelist>
437
 
  </refsect1>
438
 
  
439
 
  <refsect1 id="files">
440
 
    <title>FILES</title>
441
 
    <para>
442
 
      Use the <option>--dir</option> option to change where
443
 
      <command>&COMMANDNAME;</command> will write the key files.  The
444
 
      default file names are shown here.
445
 
    </para>
446
 
    <variablelist>
447
 
      <varlistentry>
448
 
        <term><filename>/etc/keys/mandos/seckey.txt</filename></term>
449
 
        <listitem>
450
 
          <para>
451
 
            OpenPGP secret key file which will be created or
452
 
            overwritten.
453
 
          </para>
454
 
        </listitem>
455
 
      </varlistentry>
456
 
      <varlistentry>
457
 
        <term><filename>/etc/keys/mandos/pubkey.txt</filename></term>
458
 
        <listitem>
459
 
          <para>
460
 
            OpenPGP public key file which will be created or
461
 
            overwritten.
462
 
          </para>
463
 
        </listitem>
464
 
      </varlistentry>
465
 
      <varlistentry>
466
 
        <term><filename>/etc/keys/mandos/tls-privkey.pem</filename></term>
467
 
        <listitem>
468
 
          <para>
469
 
            Private key file which will be created or overwritten.
470
 
          </para>
471
 
        </listitem>
472
 
      </varlistentry>
473
 
      <varlistentry>
474
 
        <term><filename>/etc/keys/mandos/tls-pubkey.pem</filename></term>
475
 
        <listitem>
476
 
          <para>
477
 
            Public key file which will be created or overwritten.
478
 
          </para>
479
 
        </listitem>
480
 
      </varlistentry>
481
 
      <varlistentry>
482
 
        <term><filename class="directory">/tmp</filename></term>
483
 
        <listitem>
484
 
          <para>
485
 
            Temporary files will be written here if
486
 
            <varname>TMPDIR</varname> is not set.
487
 
          </para>
488
 
        </listitem>
489
 
      </varlistentry>
490
 
    </variablelist>
491
 
  </refsect1>
492
 
  
493
 
  <refsect1 id="bugs">
494
 
    <title>BUGS</title>
495
 
    <para>
496
 
      The <option>--password</option>/<option>-p</option> option
497
 
      strips white space from the start and from the end of the
498
 
      password before using it.  If this is a problem, use the
499
 
      <option>--passfile</option> option instead, which does not do
500
 
      this.
501
 
    </para>
502
 
    <xi:include href="bugs.xml"/>
503
 
  </refsect1>
504
 
  
505
 
  <refsect1 id="example">
506
 
    <title>EXAMPLE</title>
507
 
    <informalexample>
508
 
      <para>
509
 
        Normal invocation needs no options:
510
 
      </para>
511
 
      <para>
512
 
        <userinput>&COMMANDNAME;</userinput>
513
 
      </para>
514
 
    </informalexample>
515
 
    <informalexample>
516
 
      <para>
517
 
        Create key in another directory and of another type.  Force
518
 
        overwriting old key files:
519
 
      </para>
520
 
      <para>
521
 
 
522
 
<!-- do not wrap this line -->
523
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
524
 
 
525
 
      </para>
526
 
    </informalexample>
527
 
    <informalexample>
528
 
      <para>
529
 
        Prompt for a password, encrypt it with the keys in <filename
530
 
        class="directory">/etc/keys/mandos</filename> and output a
531
 
        section suitable for <filename>clients.conf</filename>.
532
 
      </para>
533
 
      <para>
534
 
        <userinput>&COMMANDNAME; --password</userinput>
535
 
      </para>
536
 
    </informalexample>
537
 
    <informalexample>
538
 
      <para>
539
 
        Prompt for a password, encrypt it with the keys in the
540
 
        <filename>client-key</filename> directory and output a section
541
 
        suitable for <filename>clients.conf</filename>.
542
 
      </para>
543
 
      <para>
544
 
 
545
 
<!-- do not wrap this line -->
546
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
547
 
 
548
 
      </para>
549
 
    </informalexample>
550
 
  </refsect1>
551
 
  
552
 
  <refsect1 id="security">
553
 
    <title>SECURITY</title>
554
 
    <para>
555
 
      The <option>--type</option>, <option>--length</option>,
556
 
      <option>--subtype</option>, and <option>--sublength</option>
557
 
      options can be used to create keys of low security.  If in
558
 
      doubt, leave them to the default values.
559
 
    </para>
560
 
    <para>
561
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
562
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
563
 
      <manvolnum>8</manvolnum></citerefentry>.
564
 
    </para>
565
 
  </refsect1>
566
 
  
567
 
  <refsect1 id="see_also">
568
 
    <title>SEE ALSO</title>
569
 
    <para>
570
 
      <citerefentry><refentrytitle>intro</refentrytitle>
571
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
572
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
573
 
      <manvolnum>1</manvolnum></citerefentry>,
574
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
575
 
      <manvolnum>5</manvolnum></citerefentry>,
576
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
577
 
      <manvolnum>8</manvolnum></citerefentry>,
578
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
579
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
580
 
      <citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
581
 
      <manvolnum>1</manvolnum></citerefentry>
582
 
    </para>
583
 
  </refsect1>
584
 
  
585
 
</refentry>
586
 
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587
 
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588
 
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589
 
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590
 
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