/mandos/release

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/release

« back to all changes in this revision

Viewing changes to mandos-keygen.xml

synopsis changed

Show diffs side-by-side

added added

removed removed

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 "2016-02-28">
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
 
      <holder>Teddy Hogeborn</holder>
44
 
      <holder>Björn Påhlsson</holder>
45
 
    </copyright>
46
 
    <xi:include href="legalnotice.xml"/>
47
 
  </refentryinfo>
48
 
  
49
 
  <refmeta>
50
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
51
 
    <manvolnum>8</manvolnum>
52
 
  </refmeta>
53
 
  
54
 
  <refnamediv>
55
 
    <refname><command>&COMMANDNAME;</command></refname>
56
 
    <refpurpose>
57
 
      Generate key and password for Mandos client and server.
58
 
    </refpurpose>
59
 
  </refnamediv>
60
 
  
61
 
  <refsynopsisdiv>
62
 
    <cmdsynopsis>
63
 
      <command>&COMMANDNAME;</command>
64
 
      <group>
65
 
        <arg choice="plain"><option>--dir
66
 
        <replaceable>DIRECTORY</replaceable></option></arg>
67
 
        <arg choice="plain"><option>-d
68
 
        <replaceable>DIRECTORY</replaceable></option></arg>
69
 
      </group>
70
 
      <sbr/>
71
 
      <group>
72
 
        <arg choice="plain"><option>--type
73
 
        <replaceable>KEYTYPE</replaceable></option></arg>
74
 
        <arg choice="plain"><option>-t
75
 
        <replaceable>KEYTYPE</replaceable></option></arg>
76
 
      </group>
77
 
      <sbr/>
78
 
      <group>
79
 
        <arg choice="plain"><option>--length
80
 
        <replaceable>BITS</replaceable></option></arg>
81
 
        <arg choice="plain"><option>-l
82
 
        <replaceable>BITS</replaceable></option></arg>
83
 
      </group>
84
 
      <sbr/>
85
 
      <group>
86
 
        <arg choice="plain"><option>--subtype
87
 
        <replaceable>KEYTYPE</replaceable></option></arg>
88
 
        <arg choice="plain"><option>-s
89
 
        <replaceable>KEYTYPE</replaceable></option></arg>
90
 
      </group>
91
 
      <sbr/>
92
 
      <group>
93
 
        <arg choice="plain"><option>--sublength
94
 
        <replaceable>BITS</replaceable></option></arg>
95
 
        <arg choice="plain"><option>-L
96
 
        <replaceable>BITS</replaceable></option></arg>
97
 
      </group>
98
 
      <sbr/>
99
 
      <group>
100
 
        <arg choice="plain"><option>--name
101
 
        <replaceable>NAME</replaceable></option></arg>
102
 
        <arg choice="plain"><option>-n
103
 
        <replaceable>NAME</replaceable></option></arg>
104
 
      </group>
105
 
      <sbr/>
106
 
      <group>
107
 
        <arg choice="plain"><option>--email
108
 
        <replaceable>ADDRESS</replaceable></option></arg>
109
 
        <arg choice="plain"><option>-e
110
 
        <replaceable>ADDRESS</replaceable></option></arg>
111
 
      </group>
112
 
      <sbr/>
113
 
      <group>
114
 
        <arg choice="plain"><option>--comment
115
 
        <replaceable>TEXT</replaceable></option></arg>
116
 
        <arg choice="plain"><option>-c
117
 
        <replaceable>TEXT</replaceable></option></arg>
118
 
      </group>
119
 
      <sbr/>
120
 
      <group>
121
 
        <arg choice="plain"><option>--expire
122
 
        <replaceable>TIME</replaceable></option></arg>
123
 
        <arg choice="plain"><option>-x
124
 
        <replaceable>TIME</replaceable></option></arg>
125
 
      </group>
126
 
      <sbr/>
127
 
      <group>
128
 
        <arg choice="plain"><option>--force</option></arg>
129
 
        <arg choice="plain"><option>-f</option></arg>
130
 
      </group>
131
 
    </cmdsynopsis>
132
 
    <cmdsynopsis>
133
 
      <command>&COMMANDNAME;</command>
134
 
      <group choice="req">
135
 
        <arg choice="plain"><option>--password</option></arg>
136
 
        <arg choice="plain"><option>-p</option></arg>
137
 
        <arg choice="plain"><option>--passfile
138
 
        <replaceable>FILE</replaceable></option></arg>
139
 
        <arg choice="plain"><option>-F</option>
140
 
        <replaceable>FILE</replaceable></arg>
141
 
      </group>
142
 
      <sbr/>
143
 
      <group>
144
 
        <arg choice="plain"><option>--dir
145
 
        <replaceable>DIRECTORY</replaceable></option></arg>
146
 
        <arg choice="plain"><option>-d
147
 
        <replaceable>DIRECTORY</replaceable></option></arg>
148
 
      </group>
149
 
      <sbr/>
150
 
      <group>
151
 
        <arg choice="plain"><option>--name
152
 
        <replaceable>NAME</replaceable></option></arg>
153
 
        <arg choice="plain"><option>-n
154
 
        <replaceable>NAME</replaceable></option></arg>
155
 
      </group>
156
 
      <group>
157
 
        <arg choice="plain"><option>--no-ssh</option></arg>
158
 
        <arg choice="plain"><option>-S</option></arg>
159
 
      </group>
160
 
    </cmdsynopsis>
161
 
    <cmdsynopsis>
162
 
      <command>&COMMANDNAME;</command>
163
 
      <group choice="req">
164
 
        <arg choice="plain"><option>--help</option></arg>
165
 
        <arg choice="plain"><option>-h</option></arg>
166
 
      </group>
167
 
    </cmdsynopsis>
168
 
    <cmdsynopsis>
169
 
      <command>&COMMANDNAME;</command>
170
 
      <group choice="req">
171
 
        <arg choice="plain"><option>--version</option></arg>
172
 
        <arg choice="plain"><option>-v</option></arg>
173
 
      </group>
174
 
    </cmdsynopsis>
175
 
  </refsynopsisdiv>
176
 
  
177
 
  <refsect1 id="description">
178
 
    <title>DESCRIPTION</title>
179
 
    <para>
180
 
      <command>&COMMANDNAME;</command> is a program to generate the
181
 
      OpenPGP key used by
182
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
183
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
184
 
      normally written to /etc/mandos for later installation into the
185
 
      initrd image, but this, and most other things, can be changed
186
 
      with command line options.
187
 
    </para>
188
 
    <para>
189
 
      This program can also be used with the
190
 
      <option>--password</option> or <option>--passfile</option>
191
 
      options to generate a ready-made section for
192
 
      <filename>clients.conf</filename> (see
193
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
194
 
      <manvolnum>5</manvolnum></citerefentry>).
195
 
    </para>
196
 
  </refsect1>
197
 
  
198
 
  <refsect1 id="purpose">
199
 
    <title>PURPOSE</title>
200
 
    <para>
201
 
      The purpose of this is to enable <emphasis>remote and unattended
202
 
      rebooting</emphasis> of client host computer with an
203
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
204
 
      linkend="overview"/> for details.
205
 
    </para>
206
 
  </refsect1>
207
 
  
208
 
  <refsect1 id="options">
209
 
    <title>OPTIONS</title>
210
 
    
211
 
    <variablelist>
212
 
      <varlistentry>
213
 
        <term><option>--help</option></term>
214
 
        <term><option>-h</option></term>
215
 
        <listitem>
216
 
          <para>
217
 
            Show a help message and exit
218
 
          </para>
219
 
        </listitem>
220
 
      </varlistentry>
221
 
      
222
 
      <varlistentry>
223
 
        <term><option>--dir
224
 
        <replaceable>DIRECTORY</replaceable></option></term>
225
 
        <term><option>-d
226
 
        <replaceable>DIRECTORY</replaceable></option></term>
227
 
        <listitem>
228
 
          <para>
229
 
            Target directory for key files.  Default is
230
 
            <filename class="directory">/etc/mandos</filename>.
231
 
          </para>
232
 
        </listitem>
233
 
      </varlistentry>
234
 
      
235
 
      <varlistentry>
236
 
        <term><option>--type
237
 
        <replaceable>TYPE</replaceable></option></term>
238
 
        <term><option>-t
239
 
        <replaceable>TYPE</replaceable></option></term>
240
 
        <listitem>
241
 
          <para>
242
 
            Key type.  Default is <quote>RSA</quote>.
243
 
          </para>
244
 
        </listitem>
245
 
      </varlistentry>
246
 
      
247
 
      <varlistentry>
248
 
        <term><option>--length
249
 
        <replaceable>BITS</replaceable></option></term>
250
 
        <term><option>-l
251
 
        <replaceable>BITS</replaceable></option></term>
252
 
        <listitem>
253
 
          <para>
254
 
            Key length in bits.  Default is 4096.
255
 
          </para>
256
 
        </listitem>
257
 
      </varlistentry>
258
 
      
259
 
      <varlistentry>
260
 
        <term><option>--subtype
261
 
        <replaceable>KEYTYPE</replaceable></option></term>
262
 
        <term><option>-s
263
 
        <replaceable>KEYTYPE</replaceable></option></term>
264
 
        <listitem>
265
 
          <para>
266
 
            Subkey type.  Default is <quote>RSA</quote> (Elgamal
267
 
            encryption-only).
268
 
          </para>
269
 
        </listitem>
270
 
      </varlistentry>
271
 
      
272
 
      <varlistentry>
273
 
        <term><option>--sublength
274
 
        <replaceable>BITS</replaceable></option></term>
275
 
        <term><option>-L
276
 
        <replaceable>BITS</replaceable></option></term>
277
 
        <listitem>
278
 
          <para>
279
 
            Subkey length in bits.  Default is 4096.
280
 
          </para>
281
 
        </listitem>
282
 
      </varlistentry>
283
 
      
284
 
      <varlistentry>
285
 
        <term><option>--email
286
 
        <replaceable>ADDRESS</replaceable></option></term>
287
 
        <term><option>-e
288
 
        <replaceable>ADDRESS</replaceable></option></term>
289
 
        <listitem>
290
 
          <para>
291
 
            Email address of key.  Default is empty.
292
 
          </para>
293
 
        </listitem>
294
 
      </varlistentry>
295
 
      
296
 
      <varlistentry>
297
 
        <term><option>--comment
298
 
        <replaceable>TEXT</replaceable></option></term>
299
 
        <term><option>-c
300
 
        <replaceable>TEXT</replaceable></option></term>
301
 
        <listitem>
302
 
          <para>
303
 
            Comment field for key.  Default is empty.
304
 
          </para>
305
 
        </listitem>
306
 
      </varlistentry>
307
 
      
308
 
      <varlistentry>
309
 
        <term><option>--expire
310
 
        <replaceable>TIME</replaceable></option></term>
311
 
        <term><option>-x
312
 
        <replaceable>TIME</replaceable></option></term>
313
 
        <listitem>
314
 
          <para>
315
 
            Key expire time.  Default is no expiration.  See
316
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
317
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
318
 
          </para>
319
 
        </listitem>
320
 
      </varlistentry>
321
 
      
322
 
      <varlistentry>
323
 
        <term><option>--force</option></term>
324
 
        <term><option>-f</option></term>
325
 
        <listitem>
326
 
          <para>
327
 
            Force overwriting old key.
328
 
          </para>
329
 
        </listitem>
330
 
      </varlistentry>
331
 
      <varlistentry>
332
 
        <term><option>--password</option></term>
333
 
        <term><option>-p</option></term>
334
 
        <listitem>
335
 
          <para>
336
 
            Prompt for a password and encrypt it with the key already
337
 
            present in either <filename>/etc/mandos</filename> or the
338
 
            directory specified with the <option>--dir</option>
339
 
            option.  Outputs, on standard output, a section suitable
340
 
            for inclusion in <citerefentry><refentrytitle
341
 
            >mandos-clients.conf</refentrytitle><manvolnum
342
 
            >8</manvolnum></citerefentry>.  The host name or the name
343
 
            specified with the <option>--name</option> option is used
344
 
            for the section header.  All other options are ignored,
345
 
            and no key is created.
346
 
          </para>
347
 
        </listitem>
348
 
      </varlistentry>
349
 
      <varlistentry>
350
 
        <term><option>--passfile
351
 
        <replaceable>FILE</replaceable></option></term>
352
 
        <term><option>-F
353
 
        <replaceable>FILE</replaceable></option></term>
354
 
        <listitem>
355
 
          <para>
356
 
            The same as <option>--password</option>, but read from
357
 
            <replaceable>FILE</replaceable>, not the terminal.
358
 
          </para>
359
 
        </listitem>
360
 
      </varlistentry>
361
 
      <varlistentry>
362
 
        <term><option>--no-ssh</option></term>
363
 
        <term><option>-S</option></term>
364
 
        <listitem>
365
 
          <para>
366
 
            When <option>--password</option> or
367
 
            <option>--passfile</option> is given, this option will
368
 
            prevent <command>&COMMANDNAME;</command> from calling
369
 
            <command>ssh-keyscan</command> to get an SSH fingerprint
370
 
            for this host and, if successful, output suitable config
371
 
            options to use this fingerprint as a
372
 
            <option>checker</option> option in the output.  This is
373
 
            otherwise the default behavior.
374
 
          </para>
375
 
        </listitem>
376
 
      </varlistentry>
377
 
    </variablelist>
378
 
  </refsect1>
379
 
  
380
 
  <refsect1 id="overview">
381
 
    <title>OVERVIEW</title>
382
 
    <xi:include href="overview.xml"/>
383
 
    <para>
384
 
      This program is a small utility to generate new OpenPGP keys for
385
 
      new Mandos clients, and to generate sections for inclusion in
386
 
      <filename>clients.conf</filename> on the server.
387
 
    </para>
388
 
  </refsect1>
389
 
  
390
 
  <refsect1 id="exit_status">
391
 
    <title>EXIT STATUS</title>
392
 
    <para>
393
 
      The exit status will be 0 if a new key (or password, if the
394
 
      <option>--password</option> option was used) was successfully
395
 
      created, otherwise not.
396
 
    </para>
397
 
  </refsect1>
398
 
  
399
 
  <refsect1 id="environment">
400
 
    <title>ENVIRONMENT</title>
401
 
    <variablelist>
402
 
      <varlistentry>
403
 
        <term><envar>TMPDIR</envar></term>
404
 
        <listitem>
405
 
          <para>
406
 
            If set, temporary files will be created here. See
407
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
408
 
            <manvolnum>1</manvolnum></citerefentry>.
409
 
          </para>
410
 
        </listitem>
411
 
      </varlistentry>
412
 
    </variablelist>
413
 
  </refsect1>
414
 
  
415
 
  <refsect1 id="files">
416
 
    <title>FILES</title>
417
 
    <para>
418
 
      Use the <option>--dir</option> option to change where
419
 
      <command>&COMMANDNAME;</command> will write the key files.  The
420
 
      default file names are shown here.
421
 
    </para>
422
 
    <variablelist>
423
 
      <varlistentry>
424
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
425
 
        <listitem>
426
 
          <para>
427
 
            OpenPGP secret key file which will be created or
428
 
            overwritten.
429
 
          </para>
430
 
        </listitem>
431
 
      </varlistentry>
432
 
      <varlistentry>
433
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
434
 
        <listitem>
435
 
          <para>
436
 
            OpenPGP public key file which will be created or
437
 
            overwritten.
438
 
          </para>
439
 
        </listitem>
440
 
      </varlistentry>
441
 
      <varlistentry>
442
 
        <term><filename class="directory">/tmp</filename></term>
443
 
        <listitem>
444
 
          <para>
445
 
            Temporary files will be written here if
446
 
            <varname>TMPDIR</varname> is not set.
447
 
          </para>
448
 
        </listitem>
449
 
      </varlistentry>
450
 
    </variablelist>
451
 
  </refsect1>
452
 
  
453
 
<!--   <refsect1 id="bugs"> -->
454
 
<!--     <title>BUGS</title> -->
455
 
<!--     <para> -->
456
 
<!--     </para> -->
457
 
<!--   </refsect1> -->
458
 
  
459
 
  <refsect1 id="example">
460
 
    <title>EXAMPLE</title>
461
 
    <informalexample>
462
 
      <para>
463
 
        Normal invocation needs no options:
464
 
      </para>
465
 
      <para>
466
 
        <userinput>&COMMANDNAME;</userinput>
467
 
      </para>
468
 
    </informalexample>
469
 
    <informalexample>
470
 
      <para>
471
 
        Create key in another directory and of another type.  Force
472
 
        overwriting old key files:
473
 
      </para>
474
 
      <para>
475
 
 
476
 
<!-- do not wrap this line -->
477
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
478
 
 
479
 
      </para>
480
 
    </informalexample>
481
 
    <informalexample>
482
 
      <para>
483
 
        Prompt for a password, encrypt it with the key in <filename
484
 
        class="directory">/etc/mandos</filename> and output a section
485
 
        suitable for <filename>clients.conf</filename>.
486
 
      </para>
487
 
      <para>
488
 
        <userinput>&COMMANDNAME; --password</userinput>
489
 
      </para>
490
 
    </informalexample>
491
 
    <informalexample>
492
 
      <para>
493
 
        Prompt for a password, encrypt it with the key in the
494
 
        <filename>client-key</filename> directory and output a section
495
 
        suitable for <filename>clients.conf</filename>.
496
 
      </para>
497
 
      <para>
498
 
 
499
 
<!-- do not wrap this line -->
500
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
501
 
 
502
 
      </para>
503
 
    </informalexample>
504
 
  </refsect1>
505
 
  
506
 
  <refsect1 id="security">
507
 
    <title>SECURITY</title>
508
 
    <para>
509
 
      The <option>--type</option>, <option>--length</option>,
510
 
      <option>--subtype</option>, and <option>--sublength</option>
511
 
      options can be used to create keys of low security.  If in
512
 
      doubt, leave them to the default values.
513
 
    </para>
514
 
    <para>
515
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
516
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
517
 
      <manvolnum>8</manvolnum></citerefentry>.
518
 
    </para>
519
 
  </refsect1>
520
 
  
521
 
  <refsect1 id="see_also">
522
 
    <title>SEE ALSO</title>
523
 
    <para>
524
 
      <citerefentry><refentrytitle>intro</refentrytitle>
525
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
526
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
527
 
      <manvolnum>1</manvolnum></citerefentry>,
528
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
529
 
      <manvolnum>5</manvolnum></citerefentry>,
530
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
531
 
      <manvolnum>8</manvolnum></citerefentry>,
532
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
533
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
534
 
      <citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
535
 
      <manvolnum>1</manvolnum></citerefentry>
536
 
    </para>
537
 
  </refsect1>
538
 
  
539
 
</refentry>
540
 
<!-- Local Variables: -->
541
 
<!-- time-stamp-start: "<!ENTITY TIMESTAMP [\"']" -->
542
 
<!-- time-stamp-end: "[\"']>" -->
543
 
<!-- time-stamp-format: "%:y-%02m-%02d" -->
544
 
<!-- End: -->