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  • Committer: Teddy Hogeborn
  • Date: 2019-02-09 23:36:11 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 370.
  • Revision ID: teddy@recompile.se-20190209233611-qurtq0kpsoct9uwf
Doc fix: Minor clarification

* mandos-clients.conf.xml (OPTIONS/checker): Be more clear that it's
  specifically an SSH key fingerprint that is being compared, and no
  other kind of fingerprint.

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removed removed

Lines of Context:
mandos-keygen.xml
 
1
<?xml version="1.0" encoding="UTF-8"?>
 
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<!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 "2019-02-10">
 
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
      <holder>Teddy Hogeborn</holder>
 
46
      <holder>Björn Påhlsson</holder>
 
47
    </copyright>
 
48
    <xi:include href="legalnotice.xml"/>
 
49
  </refentryinfo>
 
50
  
 
51
  <refmeta>
 
52
    <refentrytitle>&COMMANDNAME;</refentrytitle>
 
53
    <manvolnum>8</manvolnum>
 
54
  </refmeta>
 
55
  
 
56
  <refnamediv>
 
57
    <refname><command>&COMMANDNAME;</command></refname>
 
58
    <refpurpose>
 
59
      Generate key and password for Mandos client and server.
 
60
    </refpurpose>
 
61
  </refnamediv>
 
62
  
 
63
  <refsynopsisdiv>
 
64
    <cmdsynopsis>
 
65
      <command>&COMMANDNAME;</command>
 
66
      <group>
 
67
        <arg choice="plain"><option>--dir
 
68
        <replaceable>DIRECTORY</replaceable></option></arg>
 
69
        <arg choice="plain"><option>-d
 
70
        <replaceable>DIRECTORY</replaceable></option></arg>
 
71
      </group>
 
72
      <sbr/>
 
73
      <group>
 
74
        <arg choice="plain"><option>--type
 
75
        <replaceable>KEYTYPE</replaceable></option></arg>
 
76
        <arg choice="plain"><option>-t
 
77
        <replaceable>KEYTYPE</replaceable></option></arg>
 
78
      </group>
 
79
      <sbr/>
 
80
      <group>
 
81
        <arg choice="plain"><option>--length
 
82
        <replaceable>BITS</replaceable></option></arg>
 
83
        <arg choice="plain"><option>-l
 
84
        <replaceable>BITS</replaceable></option></arg>
 
85
      </group>
 
86
      <sbr/>
 
87
      <group>
 
88
        <arg choice="plain"><option>--subtype
 
89
        <replaceable>KEYTYPE</replaceable></option></arg>
 
90
        <arg choice="plain"><option>-s
 
91
        <replaceable>KEYTYPE</replaceable></option></arg>
 
92
      </group>
 
93
      <sbr/>
 
94
      <group>
 
95
        <arg choice="plain"><option>--sublength
 
96
        <replaceable>BITS</replaceable></option></arg>
 
97
        <arg choice="plain"><option>-L
 
98
        <replaceable>BITS</replaceable></option></arg>
 
99
      </group>
 
100
      <sbr/>
 
101
      <group>
 
102
        <arg choice="plain"><option>--name
 
103
        <replaceable>NAME</replaceable></option></arg>
 
104
        <arg choice="plain"><option>-n
 
105
        <replaceable>NAME</replaceable></option></arg>
 
106
      </group>
 
107
      <sbr/>
 
108
      <group>
 
109
        <arg choice="plain"><option>--email
 
110
        <replaceable>ADDRESS</replaceable></option></arg>
 
111
        <arg choice="plain"><option>-e
 
112
        <replaceable>ADDRESS</replaceable></option></arg>
 
113
      </group>
 
114
      <sbr/>
 
115
      <group>
 
116
        <arg choice="plain"><option>--comment
 
117
        <replaceable>TEXT</replaceable></option></arg>
 
118
        <arg choice="plain"><option>-c
 
119
        <replaceable>TEXT</replaceable></option></arg>
 
120
      </group>
 
121
      <sbr/>
 
122
      <group>
 
123
        <arg choice="plain"><option>--expire
 
124
        <replaceable>TIME</replaceable></option></arg>
 
125
        <arg choice="plain"><option>-x
 
126
        <replaceable>TIME</replaceable></option></arg>
 
127
      </group>
 
128
      <sbr/>
 
129
      <group>
 
130
        <arg choice="plain"><option>--tls-keytype
 
131
        <replaceable>KEYTYPE</replaceable></option></arg>
 
132
        <arg choice="plain"><option>-T
 
133
        <replaceable>KEYTYPE</replaceable></option></arg>
 
134
      </group>
 
135
      <sbr/>
 
136
      <group>
 
137
        <arg choice="plain"><option>--force</option></arg>
 
138
        <arg choice="plain"><option>-f</option></arg>
 
139
      </group>
 
140
    </cmdsynopsis>
 
141
    <cmdsynopsis>
 
142
      <command>&COMMANDNAME;</command>
 
143
      <group choice="req">
 
144
        <arg choice="plain"><option>--password</option></arg>
 
145
        <arg choice="plain"><option>-p</option></arg>
 
146
        <arg choice="plain"><option>--passfile
 
147
        <replaceable>FILE</replaceable></option></arg>
 
148
        <arg choice="plain"><option>-F</option>
 
149
        <replaceable>FILE</replaceable></arg>
 
150
      </group>
 
151
      <sbr/>
 
152
      <group>
 
153
        <arg choice="plain"><option>--dir
 
154
        <replaceable>DIRECTORY</replaceable></option></arg>
 
155
        <arg choice="plain"><option>-d
 
156
        <replaceable>DIRECTORY</replaceable></option></arg>
 
157
      </group>
 
158
      <sbr/>
 
159
      <group>
 
160
        <arg choice="plain"><option>--name
 
161
        <replaceable>NAME</replaceable></option></arg>
 
162
        <arg choice="plain"><option>-n
 
163
        <replaceable>NAME</replaceable></option></arg>
 
164
      </group>
 
165
      <group>
 
166
        <arg choice="plain"><option>--no-ssh</option></arg>
 
167
        <arg choice="plain"><option>-S</option></arg>
 
168
      </group>
 
169
    </cmdsynopsis>
 
170
    <cmdsynopsis>
 
171
      <command>&COMMANDNAME;</command>
 
172
      <group choice="req">
 
173
        <arg choice="plain"><option>--help</option></arg>
 
174
        <arg choice="plain"><option>-h</option></arg>
 
175
      </group>
 
176
    </cmdsynopsis>
 
177
    <cmdsynopsis>
 
178
      <command>&COMMANDNAME;</command>
 
179
      <group choice="req">
 
180
        <arg choice="plain"><option>--version</option></arg>
 
181
        <arg choice="plain"><option>-v</option></arg>
 
182
      </group>
 
183
    </cmdsynopsis>
 
184
  </refsynopsisdiv>
 
185
  
 
186
  <refsect1 id="description">
 
187
    <title>DESCRIPTION</title>
 
188
    <para>
 
189
      <command>&COMMANDNAME;</command> is a program to generate the
 
190
      TLS and OpenPGP keys used by
 
191
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
192
      <manvolnum>8mandos</manvolnum></citerefentry>.  The keys are
 
193
      normally written to /etc/keys/mandos for later installation into
 
194
      the initrd image, but this, and most other things, can be
 
195
      changed with command line options.
 
196
    </para>
 
197
    <para>
 
198
      This program can also be used with the
 
199
      <option>--password</option> or <option>--passfile</option>
 
200
      options to generate a ready-made section for
 
201
      <filename>clients.conf</filename> (see
 
202
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
203
      <manvolnum>5</manvolnum></citerefentry>).
 
204
    </para>
 
205
  </refsect1>
 
206
  
 
207
  <refsect1 id="purpose">
 
208
    <title>PURPOSE</title>
 
209
    <para>
 
210
      The purpose of this is to enable <emphasis>remote and unattended
 
211
      rebooting</emphasis> of client host computer with an
 
212
      <emphasis>encrypted root file system</emphasis>.  See <xref
 
213
      linkend="overview"/> for details.
 
214
    </para>
 
215
  </refsect1>
 
216
  
 
217
  <refsect1 id="options">
 
218
    <title>OPTIONS</title>
 
219
    
 
220
    <variablelist>
 
221
      <varlistentry>
 
222
        <term><option>--help</option></term>
 
223
        <term><option>-h</option></term>
 
224
        <listitem>
 
225
          <para>
 
226
            Show a help message and exit
 
227
          </para>
 
228
        </listitem>
 
229
      </varlistentry>
 
230
      
 
231
      <varlistentry>
 
232
        <term><option>--dir
 
233
        <replaceable>DIRECTORY</replaceable></option></term>
 
234
        <term><option>-d
 
235
        <replaceable>DIRECTORY</replaceable></option></term>
 
236
        <listitem>
 
237
          <para>
 
238
            Target directory for key files.  Default is <filename
 
239
            class="directory">/etc/keys/mandos</filename>.
 
240
          </para>
 
241
        </listitem>
 
242
      </varlistentry>
 
243
      
 
244
      <varlistentry>
 
245
        <term><option>--type
 
246
        <replaceable>TYPE</replaceable></option></term>
 
247
        <term><option>-t
 
248
        <replaceable>TYPE</replaceable></option></term>
 
249
        <listitem>
 
250
          <para>
 
251
            OpenPGP key type.  Default is <quote>RSA</quote>.
 
252
          </para>
 
253
        </listitem>
 
254
      </varlistentry>
 
255
      
 
256
      <varlistentry>
 
257
        <term><option>--length
 
258
        <replaceable>BITS</replaceable></option></term>
 
259
        <term><option>-l
 
260
        <replaceable>BITS</replaceable></option></term>
 
261
        <listitem>
 
262
          <para>
 
263
            OpenPGP key length in bits.  Default is 4096.
 
264
          </para>
 
265
        </listitem>
 
266
      </varlistentry>
 
267
      
 
268
      <varlistentry>
 
269
        <term><option>--subtype
 
270
        <replaceable>KEYTYPE</replaceable></option></term>
 
271
        <term><option>-s
 
272
        <replaceable>KEYTYPE</replaceable></option></term>
 
273
        <listitem>
 
274
          <para>
 
275
            OpenPGP subkey type.  Default is <quote>RSA</quote>
 
276
          </para>
 
277
        </listitem>
 
278
      </varlistentry>
 
279
      
 
280
      <varlistentry>
 
281
        <term><option>--sublength
 
282
        <replaceable>BITS</replaceable></option></term>
 
283
        <term><option>-L
 
284
        <replaceable>BITS</replaceable></option></term>
 
285
        <listitem>
 
286
          <para>
 
287
            OpenPGP subkey length in bits.  Default is 4096.
 
288
          </para>
 
289
        </listitem>
 
290
      </varlistentry>
 
291
      
 
292
      <varlistentry>
 
293
        <term><option>--email
 
294
        <replaceable>ADDRESS</replaceable></option></term>
 
295
        <term><option>-e
 
296
        <replaceable>ADDRESS</replaceable></option></term>
 
297
        <listitem>
 
298
          <para>
 
299
            Email address of key.  Default is empty.
 
300
          </para>
 
301
        </listitem>
 
302
      </varlistentry>
 
303
      
 
304
      <varlistentry>
 
305
        <term><option>--comment
 
306
        <replaceable>TEXT</replaceable></option></term>
 
307
        <term><option>-c
 
308
        <replaceable>TEXT</replaceable></option></term>
 
309
        <listitem>
 
310
          <para>
 
311
            Comment field for key.  Default is empty.
 
312
          </para>
 
313
        </listitem>
 
314
      </varlistentry>
 
315
      
 
316
      <varlistentry>
 
317
        <term><option>--expire
 
318
        <replaceable>TIME</replaceable></option></term>
 
319
        <term><option>-x
 
320
        <replaceable>TIME</replaceable></option></term>
 
321
        <listitem>
 
322
          <para>
 
323
            Key expire time.  Default is no expiration.  See
 
324
            <citerefentry><refentrytitle>gpg</refentrytitle>
 
325
            <manvolnum>1</manvolnum></citerefentry> for syntax.
 
326
          </para>
 
327
        </listitem>
 
328
      </varlistentry>
 
329
      
 
330
      <varlistentry>
 
331
        <term><option>--tls-keytype
 
332
        <replaceable>KEYTYPE</replaceable></option></term>
 
333
        <term><option>-T
 
334
        <replaceable>KEYTYPE</replaceable></option></term>
 
335
        <listitem>
 
336
          <para>
 
337
            TLS key type.  Default is <quote>ed25519</quote>
 
338
          </para>
 
339
        </listitem>
 
340
      </varlistentry>
 
341
      
 
342
      <varlistentry>
 
343
        <term><option>--force</option></term>
 
344
        <term><option>-f</option></term>
 
345
        <listitem>
 
346
          <para>
 
347
            Force overwriting old key.
 
348
          </para>
 
349
        </listitem>
 
350
      </varlistentry>
 
351
      <varlistentry>
 
352
        <term><option>--password</option></term>
 
353
        <term><option>-p</option></term>
 
354
        <listitem>
 
355
          <para>
 
356
            Prompt for a password and encrypt it with the key already
 
357
            present in either <filename>/etc/keys/mandos</filename> or
 
358
            the directory specified with the <option>--dir</option>
 
359
            option.  Outputs, on standard output, a section suitable
 
360
            for inclusion in <citerefentry><refentrytitle
 
361
            >mandos-clients.conf</refentrytitle><manvolnum
 
362
            >8</manvolnum></citerefentry>.  The host name or the name
 
363
            specified with the <option>--name</option> option is used
 
364
            for the section header.  All other options are ignored,
 
365
            and no key is created.
 
366
          </para>
 
367
        </listitem>
 
368
      </varlistentry>
 
369
      <varlistentry>
 
370
        <term><option>--passfile
 
371
        <replaceable>FILE</replaceable></option></term>
 
372
        <term><option>-F
 
373
        <replaceable>FILE</replaceable></option></term>
 
374
        <listitem>
 
375
          <para>
 
376
            The same as <option>--password</option>, but read from
 
377
            <replaceable>FILE</replaceable>, not the terminal.
 
378
          </para>
 
379
        </listitem>
 
380
      </varlistentry>
 
381
      <varlistentry>
 
382
        <term><option>--no-ssh</option></term>
 
383
        <term><option>-S</option></term>
 
384
        <listitem>
 
385
          <para>
 
386
            When <option>--password</option> or
 
387
            <option>--passfile</option> is given, this option will
 
388
            prevent <command>&COMMANDNAME;</command> from calling
 
389
            <command>ssh-keyscan</command> to get an SSH fingerprint
 
390
            for this host and, if successful, output suitable config
 
391
            options to use this fingerprint as a
 
392
            <option>checker</option> option in the output.  This is
 
393
            otherwise the default behavior.
 
394
          </para>
 
395
        </listitem>
 
396
      </varlistentry>
 
397
    </variablelist>
 
398
  </refsect1>
 
399
  
 
400
  <refsect1 id="overview">
 
401
    <title>OVERVIEW</title>
 
402
    <xi:include href="overview.xml"/>
 
403
    <para>
 
404
      This program is a small utility to generate new TLS and OpenPGP
 
405
      keys for new Mandos clients, and to generate sections for
 
406
      inclusion in <filename>clients.conf</filename> on the server.
 
407
    </para>
 
408
  </refsect1>
 
409
  
 
410
  <refsect1 id="exit_status">
 
411
    <title>EXIT STATUS</title>
 
412
    <para>
 
413
      The exit status will be 0 if a new key (or password, if the
 
414
      <option>--password</option> option was used) was successfully
 
415
      created, otherwise not.
 
416
    </para>
 
417
  </refsect1>
 
418
  
 
419
  <refsect1 id="environment">
 
420
    <title>ENVIRONMENT</title>
 
421
    <variablelist>
 
422
      <varlistentry>
 
423
        <term><envar>TMPDIR</envar></term>
 
424
        <listitem>
 
425
          <para>
 
426
            If set, temporary files will be created here. See
 
427
            <citerefentry><refentrytitle>mktemp</refentrytitle>
 
428
            <manvolnum>1</manvolnum></citerefentry>.
 
429
          </para>
 
430
        </listitem>
 
431
      </varlistentry>
 
432
    </variablelist>
 
433
  </refsect1>
 
434
  
 
435
  <refsect1 id="files">
 
436
    <title>FILES</title>
 
437
    <para>
 
438
      Use the <option>--dir</option> option to change where
 
439
      <command>&COMMANDNAME;</command> will write the key files.  The
 
440
      default file names are shown here.
 
441
    </para>
 
442
    <variablelist>
 
443
      <varlistentry>
 
444
        <term><filename>/etc/keys/mandos/seckey.txt</filename></term>
 
445
        <listitem>
 
446
          <para>
 
447
            OpenPGP secret key file which will be created or
 
448
            overwritten.
 
449
          </para>
 
450
        </listitem>
 
451
      </varlistentry>
 
452
      <varlistentry>
 
453
        <term><filename>/etc/keys/mandos/pubkey.txt</filename></term>
 
454
        <listitem>
 
455
          <para>
 
456
            OpenPGP public key file which will be created or
 
457
            overwritten.
 
458
          </para>
 
459
        </listitem>
 
460
      </varlistentry>
 
461
      <varlistentry>
 
462
        <term><filename>/etc/keys/mandos/tls-privkey.pem</filename></term>
 
463
        <listitem>
 
464
          <para>
 
465
            Private key file which will be created or overwritten.
 
466
          </para>
 
467
        </listitem>
 
468
      </varlistentry>
 
469
      <varlistentry>
 
470
        <term><filename>/etc/keys/mandos/tls-pubkey.pem</filename></term>
 
471
        <listitem>
 
472
          <para>
 
473
            Public key file which will be created or overwritten.
 
474
          </para>
 
475
        </listitem>
 
476
      </varlistentry>
 
477
      <varlistentry>
 
478
        <term><filename class="directory">/tmp</filename></term>
 
479
        <listitem>
 
480
          <para>
 
481
            Temporary files will be written here if
 
482
            <varname>TMPDIR</varname> is not set.
 
483
          </para>
 
484
        </listitem>
 
485
      </varlistentry>
 
486
    </variablelist>
 
487
  </refsect1>
 
488
  
 
489
  <refsect1 id="bugs">
 
490
    <title>BUGS</title>
 
491
    <xi:include href="bugs.xml"/>
 
492
  </refsect1>
 
493
  
 
494
  <refsect1 id="example">
 
495
    <title>EXAMPLE</title>
 
496
    <informalexample>
 
497
      <para>
 
498
        Normal invocation needs no options:
 
499
      </para>
 
500
      <para>
 
501
        <userinput>&COMMANDNAME;</userinput>
 
502
      </para>
 
503
    </informalexample>
 
504
    <informalexample>
 
505
      <para>
 
506
        Create key in another directory and of another type.  Force
 
507
        overwriting old key files:
 
508
      </para>
 
509
      <para>
 
510
 
 
511
<!-- do not wrap this line -->
 
512
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
 
513
 
 
514
      </para>
 
515
    </informalexample>
 
516
    <informalexample>
 
517
      <para>
 
518
        Prompt for a password, encrypt it with the keys in <filename
 
519
        class="directory">/etc/keys/mandos</filename> and output a
 
520
        section suitable for <filename>clients.conf</filename>.
 
521
      </para>
 
522
      <para>
 
523
        <userinput>&COMMANDNAME; --password</userinput>
 
524
      </para>
 
525
    </informalexample>
 
526
    <informalexample>
 
527
      <para>
 
528
        Prompt for a password, encrypt it with the keys in the
 
529
        <filename>client-key</filename> directory and output a section
 
530
        suitable for <filename>clients.conf</filename>.
 
531
      </para>
 
532
      <para>
 
533
 
 
534
<!-- do not wrap this line -->
 
535
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
 
536
 
 
537
      </para>
 
538
    </informalexample>
 
539
  </refsect1>
 
540
  
 
541
  <refsect1 id="security">
 
542
    <title>SECURITY</title>
 
543
    <para>
 
544
      The <option>--type</option>, <option>--length</option>,
 
545
      <option>--subtype</option>, and <option>--sublength</option>
 
546
      options can be used to create keys of low security.  If in
 
547
      doubt, leave them to the default values.
 
548
    </para>
 
549
    <para>
 
550
      The key expire time is <emphasis>not</emphasis> guaranteed to be
 
551
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
 
552
      <manvolnum>8</manvolnum></citerefentry>.
 
553
    </para>
 
554
  </refsect1>
 
555
  
 
556
  <refsect1 id="see_also">
 
557
    <title>SEE ALSO</title>
 
558
    <para>
 
559
      <citerefentry><refentrytitle>intro</refentrytitle>
 
560
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
561
      <citerefentry><refentrytitle>gpg</refentrytitle>
 
562
      <manvolnum>1</manvolnum></citerefentry>,
 
563
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
564
      <manvolnum>5</manvolnum></citerefentry>,
 
565
      <citerefentry><refentrytitle>mandos</refentrytitle>
 
566
      <manvolnum>8</manvolnum></citerefentry>,
 
567
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
568
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
569
      <citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
 
570
      <manvolnum>1</manvolnum></citerefentry>
 
571
    </para>
 
572
  </refsect1>
 
573
  
 
574
</refentry>
 
575
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576
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577
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578
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579
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