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mandos-keygen.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY VERSION "1.0">
5
 
<!ENTITY COMMANDNAME "mandos-keygen">
6
 
]>
7
 
 
8
 
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
9
 
  <refentryinfo>
10
 
    <title>&COMMANDNAME;</title>
11
 
    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
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    <productname>&COMMANDNAME;</productname>
13
 
    <productnumber>&VERSION;</productnumber>
14
 
    <authorgroup>
15
 
      <author>
16
 
        <firstname>Björn</firstname>
17
 
        <surname>Påhlsson</surname>
18
 
        <address>
19
 
          <email>belorn@fukt.bsnet.se</email>
20
 
        </address>
21
 
      </author>
22
 
      <author>
23
 
        <firstname>Teddy</firstname>
24
 
        <surname>Hogeborn</surname>
25
 
        <address>
26
 
          <email>teddy@fukt.bsnet.se</email>
27
 
        </address>
28
 
      </author>
29
 
    </authorgroup>
30
 
    <copyright>
31
 
      <year>2008</year>
32
 
      <holder>Teddy Hogeborn</holder>
33
 
      <holder>Björn Påhlsson</holder>
34
 
    </copyright>
35
 
    <legalnotice>
36
 
      <para>
37
 
        This manual page is free software: you can redistribute it
38
 
        and/or modify it under the terms of the GNU General Public
39
 
        License as published by the Free Software Foundation,
40
 
        either version 3 of the License, or (at your option) any
41
 
        later version.
42
 
      </para>
43
 
 
44
 
      <para>
45
 
        This manual page is distributed in the hope that it will
46
 
        be useful, but WITHOUT ANY WARRANTY; without even the
47
 
        implied warranty of MERCHANTABILITY or FITNESS FOR A
48
 
        PARTICULAR PURPOSE.  See the GNU General Public License
49
 
        for more details.
50
 
      </para>
51
 
 
52
 
      <para>
53
 
        You should have received a copy of the GNU General Public
54
 
        License along with this program; If not, see
55
 
        <ulink url="http://www.gnu.org/licenses/"/>.
56
 
      </para>
57
 
    </legalnotice>
58
 
  </refentryinfo>
59
 
 
60
 
  <refmeta>
61
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
62
 
    <manvolnum>8</manvolnum>
63
 
  </refmeta>
64
 
  
65
 
  <refnamediv>
66
 
    <refname><command>&COMMANDNAME;</command></refname>
67
 
    <refpurpose>
68
 
      Generate keys for <citerefentry><refentrytitle>password-request
69
 
      </refentrytitle><manvolnum>8mandos</manvolnum></citerefentry>
70
 
    </refpurpose>
71
 
  </refnamediv>
72
 
 
73
 
  <refsynopsisdiv>
74
 
    <cmdsynopsis>
75
 
      <command>&COMMANDNAME;</command>
76
 
      <group choice="opt">
77
 
        <arg choice="plain"><option>--dir</option>
78
 
        <replaceable>directory</replaceable></arg>
79
 
      </group>
80
 
      <group choice="opt">
81
 
        <arg choice="plain"><option>--type</option>
82
 
        <replaceable>type</replaceable></arg>
83
 
      </group>
84
 
      <group choice="opt">
85
 
        <arg choice="plain"><option>--length</option>
86
 
        <replaceable>bits</replaceable></arg>
87
 
      </group>
88
 
      <group choice="opt">
89
 
        <arg choice="plain"><option>--subtype</option>
90
 
        <replaceable>type</replaceable></arg>
91
 
      </group>
92
 
      <group choice="opt">
93
 
        <arg choice="plain"><option>--sublength</option>
94
 
        <replaceable>bits</replaceable></arg>
95
 
      </group>
96
 
      <group choice="opt">
97
 
        <arg choice="plain"><option>--name</option>
98
 
        <replaceable>NAME</replaceable></arg>
99
 
      </group>
100
 
      <group choice="opt">
101
 
        <arg choice="plain"><option>--email</option>
102
 
        <replaceable>EMAIL</replaceable></arg>
103
 
      </group>
104
 
      <group choice="opt">
105
 
        <arg choice="plain"><option>--comment</option>
106
 
        <replaceable>COMMENT</replaceable></arg>
107
 
      </group>
108
 
      <group choice="opt">
109
 
        <arg choice="plain"><option>--expire</option>
110
 
        <replaceable>TIME</replaceable></arg>
111
 
      </group>
112
 
      <group choice="opt">
113
 
        <arg choice="plain"><option>--force</option></arg>
114
 
      </group>
115
 
    </cmdsynopsis>
116
 
    <cmdsynopsis>
117
 
      <command>&COMMANDNAME;</command>
118
 
      <group choice="opt">
119
 
        <arg choice="plain"><option>-d</option>
120
 
        <replaceable>directory</replaceable></arg>
121
 
      </group>
122
 
      <group choice="opt">
123
 
        <arg choice="plain"><option>-t</option>
124
 
        <replaceable>type</replaceable></arg>
125
 
      </group>
126
 
      <group choice="opt">
127
 
        <arg choice="plain"><option>-l</option>
128
 
        <replaceable>bits</replaceable></arg>
129
 
      </group>
130
 
      <group choice="opt">
131
 
        <arg choice="plain"><option>-s</option>
132
 
        <replaceable>type</replaceable></arg>
133
 
      </group>
134
 
      <group choice="opt">
135
 
        <arg choice="plain"><option>-L</option>
136
 
        <replaceable>bits</replaceable></arg>
137
 
      </group>
138
 
      <group choice="opt">
139
 
        <arg choice="plain"><option>-n</option>
140
 
        <replaceable>NAME</replaceable></arg>
141
 
      </group>
142
 
      <group choice="opt">
143
 
        <arg choice="plain"><option>-e</option>
144
 
        <replaceable>EMAIL</replaceable></arg>
145
 
      </group>
146
 
      <group choice="opt">
147
 
        <arg choice="plain"><option>-c</option>
148
 
        <replaceable>COMMENT</replaceable></arg>
149
 
      </group>
150
 
      <group choice="opt">
151
 
        <arg choice="plain"><option>-x</option>
152
 
        <replaceable>TIME</replaceable></arg>
153
 
      </group>
154
 
      <group choice="opt">
155
 
        <arg choice="plain"><option>-f</option></arg>
156
 
      </group>
157
 
    </cmdsynopsis>
158
 
    <cmdsynopsis>
159
 
      <command>&COMMANDNAME;</command>
160
 
      <group choice="req">
161
 
        <arg choice="plain"><option>-p</option></arg>
162
 
        <arg choice="plain"><option>--password</option></arg>
163
 
      </group>
164
 
      <group choice="opt">
165
 
        <arg choice="plain"><option>--dir</option>
166
 
        <replaceable>directory</replaceable></arg>
167
 
      </group>
168
 
      <group choice="opt">
169
 
        <arg choice="plain"><option>--name</option>
170
 
        <replaceable>NAME</replaceable></arg>
171
 
      </group>
172
 
    </cmdsynopsis>
173
 
    <cmdsynopsis>
174
 
      <command>&COMMANDNAME;</command>
175
 
      <group choice="req">
176
 
        <arg choice="plain"><option>-h</option></arg>
177
 
        <arg choice="plain"><option>--help</option></arg>
178
 
      </group>
179
 
    </cmdsynopsis>
180
 
    <cmdsynopsis>
181
 
      <command>&COMMANDNAME;</command>
182
 
      <group choice="req">
183
 
        <arg choice="plain"><option>-v</option></arg>
184
 
        <arg choice="plain"><option>--version</option></arg>
185
 
      </group>
186
 
    </cmdsynopsis>
187
 
  </refsynopsisdiv>
188
 
 
189
 
  <refsect1 id="description">
190
 
    <title>DESCRIPTION</title>
191
 
    <para>
192
 
      <command>&COMMANDNAME;</command> is a program to generate the
193
 
      OpenPGP keys used by
194
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
195
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The keys are
196
 
      normally written to /etc/mandos for later installation into the
197
 
      initrd image, but this, like most things, can be changed with
198
 
      command line options.
199
 
    </para>
200
 
    <para>
201
 
      It can also be used to generate ready-made sections for
202
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
203
 
      <manvolnum>5</manvolnum></citerefentry> using the
204
 
      <option>--password</option> option.
205
 
    </para>
206
 
  </refsect1>
207
 
  
208
 
  <refsect1 id="purpose">
209
 
    <title>PURPOSE</title>
210
 
 
211
 
    <para>
212
 
      The purpose of this is to enable <emphasis>remote and unattended
213
 
      rebooting</emphasis> of client host computer with an
214
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
215
 
      linkend="overview"/> for details.
216
 
    </para>
217
 
 
218
 
  </refsect1>
219
 
  
220
 
  <refsect1 id="options">
221
 
    <title>OPTIONS</title>
222
 
 
223
 
    <variablelist>
224
 
      <varlistentry>
225
 
        <term><literal>-h</literal>, <literal>--help</literal></term>
226
 
        <listitem>
227
 
          <para>
228
 
            Show a help message and exit
229
 
          </para>
230
 
        </listitem>
231
 
      </varlistentry>
232
 
 
233
 
      <varlistentry>
234
 
        <term><literal>-d</literal>, <literal>--dir
235
 
        <replaceable>directory</replaceable></literal></term>
236
 
        <listitem>
237
 
          <para>
238
 
            Target directory for key files.  Default is
239
 
            <filename>/etc/mandos</filename>.
240
 
          </para>
241
 
        </listitem>
242
 
      </varlistentry>
243
 
 
244
 
      <varlistentry>
245
 
        <term><literal>-t</literal>, <literal>--type
246
 
        <replaceable>type</replaceable></literal></term>
247
 
        <listitem>
248
 
          <para>
249
 
            Key type.  Default is <quote>DSA</quote>.
250
 
          </para>
251
 
        </listitem>
252
 
      </varlistentry>
253
 
 
254
 
      <varlistentry>
255
 
        <term><literal>-l</literal>, <literal>--length
256
 
        <replaceable>bits</replaceable></literal></term>
257
 
        <listitem>
258
 
          <para>
259
 
            Key length in bits.  Default is 2048.
260
 
          </para>
261
 
        </listitem>
262
 
      </varlistentry>
263
 
 
264
 
      <varlistentry>
265
 
        <term><literal>-s</literal>, <literal>--subtype
266
 
        <replaceable>type</replaceable></literal></term>
267
 
        <listitem>
268
 
          <para>
269
 
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
270
 
            encryption-only).
271
 
          </para>
272
 
        </listitem>
273
 
      </varlistentry>
274
 
 
275
 
      <varlistentry>
276
 
        <term><literal>-L</literal>, <literal>--sublength
277
 
        <replaceable>bits</replaceable></literal></term>
278
 
        <listitem>
279
 
          <para>
280
 
            Subkey length in bits.  Default is 2048.
281
 
          </para>
282
 
        </listitem>
283
 
      </varlistentry>
284
 
 
285
 
      <varlistentry>
286
 
        <term><literal>-e</literal>, <literal>--email</literal>
287
 
        <replaceable>address</replaceable></term>
288
 
        <listitem>
289
 
          <para>
290
 
            Email address of key.  Default is empty.
291
 
          </para>
292
 
        </listitem>
293
 
      </varlistentry>
294
 
 
295
 
      <varlistentry>
296
 
        <term><literal>-c</literal>, <literal>--comment</literal>
297
 
        <replaceable>comment</replaceable></term>
298
 
        <listitem>
299
 
          <para>
300
 
            Comment field for key.  The default value is
301
 
            <quote><literal>Mandos client key</literal></quote>.
302
 
          </para>
303
 
        </listitem>
304
 
      </varlistentry>
305
 
 
306
 
      <varlistentry>
307
 
        <term><literal>-x</literal>, <literal>--expire</literal>
308
 
        <replaceable>time</replaceable></term>
309
 
        <listitem>
310
 
          <para>
311
 
            Key expire time.  Default is no expiration.  See
312
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
313
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
314
 
          </para>
315
 
        </listitem>
316
 
      </varlistentry>
317
 
 
318
 
      <varlistentry>
319
 
        <term><literal>-f</literal>, <literal>--force</literal></term>
320
 
        <listitem>
321
 
          <para>
322
 
            Force overwriting old keys.
323
 
          </para>
324
 
        </listitem>
325
 
      </varlistentry>
326
 
      <varlistentry>
327
 
        <term><literal>-p</literal>, <literal>--password</literal
328
 
        ></term>
329
 
        <listitem>
330
 
          <para>
331
 
            Prompt for a password and encrypt it with the key already
332
 
            present in either <filename>/etc/mandos</filename> or the
333
 
            directory specified with the <option>--dir</option>
334
 
            option.  Outputs, on standard output, a section suitable
335
 
            for inclusion in <citerefentry><refentrytitle
336
 
            >mandos-clients.conf</refentrytitle><manvolnum
337
 
            >8</manvolnum></citerefentry>.  The host name or the name
338
 
            specified with the <option>--name</option> option is used
339
 
            for the section header.  All other options are ignored,
340
 
            and no keys are created.
341
 
          </para>
342
 
        </listitem>
343
 
      </varlistentry>
344
 
    </variablelist>
345
 
  </refsect1>
346
 
 
347
 
  <refsect1 id="overview">
348
 
    <title>OVERVIEW</title>
349
 
    <xi:include href="overview.xml"/>
350
 
    <para>
351
 
      This program is a small utility to generate new OpenPGP keys for
352
 
      new Mandos clients.
353
 
    </para>
354
 
  </refsect1>
355
 
 
356
 
  <refsect1 id="exit_status">
357
 
    <title>EXIT STATUS</title>
358
 
    <para>
359
 
      The exit status will be 0 if new keys were successfully created,
360
 
      otherwise not.
361
 
    </para>
362
 
  </refsect1>
363
 
  
364
 
  <refsect1 id="environment">
365
 
    <title>ENVIRONMENT</title>
366
 
    <variablelist>
367
 
      <varlistentry>
368
 
        <term><varname>TMPDIR</varname></term>
369
 
        <listitem>
370
 
          <para>
371
 
            If set, temporary files will be created here. See
372
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
373
 
            <manvolnum>1</manvolnum></citerefentry>.
374
 
          </para>
375
 
        </listitem>
376
 
      </varlistentry>
377
 
    </variablelist>
378
 
  </refsect1>
379
 
  
380
 
  <refsect1 id="file">
381
 
    <title>FILES</title>
382
 
    <para>
383
 
      Use the <option>--dir</option> option to change where
384
 
      <command>&COMMANDNAME;</command> will write the key files.  The
385
 
      default file names are shown here.
386
 
    </para>
387
 
    <variablelist>
388
 
      <varlistentry>
389
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
390
 
        <listitem>
391
 
          <para>
392
 
            OpenPGP secret key file which will be created or
393
 
            overwritten.
394
 
          </para>
395
 
        </listitem>
396
 
      </varlistentry>
397
 
      <varlistentry>
398
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
399
 
        <listitem>
400
 
          <para>
401
 
            OpenPGP public key file which will be created or
402
 
            overwritten.
403
 
          </para>
404
 
        </listitem>
405
 
      </varlistentry>
406
 
      <varlistentry>
407
 
        <term><filename>/tmp</filename></term>
408
 
        <listitem>
409
 
          <para>
410
 
            Temporary files will be written here if
411
 
            <varname>TMPDIR</varname> is not set.
412
 
          </para>
413
 
        </listitem>
414
 
      </varlistentry>
415
 
    </variablelist>
416
 
  </refsect1>
417
 
 
418
 
  <refsect1 id="bugs">
419
 
    <title>BUGS</title>
420
 
    <para>
421
 
      None are known at this time.
422
 
    </para>
423
 
  </refsect1>
424
 
 
425
 
  <refsect1 id="example">
426
 
    <title>EXAMPLE</title>
427
 
    <informalexample>
428
 
      <para>
429
 
        Normal invocation needs no options:
430
 
      </para>
431
 
      <para>
432
 
        <userinput>mandos-keygen</userinput>
433
 
      </para>
434
 
    </informalexample>
435
 
    <informalexample>
436
 
      <para>
437
 
        Create keys in another directory and of another type.  Force
438
 
        overwriting old key files:
439
 
      </para>
440
 
      <para>
441
 
 
442
 
<!-- do not wrap this line -->
443
 
<userinput>mandos-keygen --dir ~/keydir --type RSA --force</userinput>
444
 
 
445
 
      </para>
446
 
    </informalexample>
447
 
  </refsect1>
448
 
 
449
 
  <refsect1 id="security">
450
 
    <title>SECURITY</title>
451
 
    <para>
452
 
      The <option>--type</option>, <option>--length</option>,
453
 
      <option>--subtype</option>, and <option>--sublength</option>
454
 
      options can be used to create keys of insufficient security.  If
455
 
      in doubt, leave them to the default values.
456
 
    </para>
457
 
    <para>
458
 
      The key expire time is not guaranteed to be honored by
459
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
460
 
      <manvolnum>8</manvolnum></citerefentry>.
461
 
    </para>
462
 
  </refsect1>
463
 
 
464
 
  <refsect1 id="see_also">
465
 
    <title>SEE ALSO</title>
466
 
    <para>
467
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
468
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
469
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
470
 
      <manvolnum>8</manvolnum></citerefentry>,
471
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
472
 
      <manvolnum>1</manvolnum></citerefentry>
473
 
    </para>
474
 
  </refsect1>
475
 
  
476
 
</refentry>