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  • Committer: Teddy Hogeborn
  • Date: 2008-09-19 16:41:13 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080919164113-j9egog1aqb1dh731
* debian/mandos-client.postinst (create_key): Do not abort on existing
                                              keys.

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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">
 
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<!ENTITY COMMANDNAME "mandos-keygen">
 
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<!ENTITY TIMESTAMP "2008-09-12">
 
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]>
 
8
 
 
9
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
 
10
  <refentryinfo>
 
11
    <title>Mandos Manual</title>
 
12
    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
 
13
    <productname>Mandos</productname>
 
14
    <productnumber>&VERSION;</productnumber>
 
15
    <date>&TIMESTAMP;</date>
 
16
    <authorgroup>
 
17
      <author>
 
18
        <firstname>Björn</firstname>
 
19
        <surname>Påhlsson</surname>
 
20
        <address>
 
21
          <email>belorn@fukt.bsnet.se</email>
 
22
        </address>
 
23
      </author>
 
24
      <author>
 
25
        <firstname>Teddy</firstname>
 
26
        <surname>Hogeborn</surname>
 
27
        <address>
 
28
          <email>teddy@fukt.bsnet.se</email>
 
29
        </address>
 
30
      </author>
 
31
    </authorgroup>
 
32
    <copyright>
 
33
      <year>2008</year>
 
34
      <holder>Teddy Hogeborn</holder>
 
35
      <holder>Björn Påhlsson</holder>
 
36
    </copyright>
 
37
    <xi:include href="legalnotice.xml"/>
 
38
  </refentryinfo>
 
39
  
 
40
  <refmeta>
 
41
    <refentrytitle>&COMMANDNAME;</refentrytitle>
 
42
    <manvolnum>8</manvolnum>
 
43
  </refmeta>
 
44
  
 
45
  <refnamediv>
 
46
    <refname><command>&COMMANDNAME;</command></refname>
 
47
    <refpurpose>
 
48
      Generate key and password for Mandos client and server.
 
49
    </refpurpose>
 
50
  </refnamediv>
 
51
  
 
52
  <refsynopsisdiv>
 
53
    <cmdsynopsis>
 
54
      <command>&COMMANDNAME;</command>
 
55
      <group>
 
56
        <arg choice="plain"><option>--dir
 
57
        <replaceable>DIRECTORY</replaceable></option></arg>
 
58
        <arg choice="plain"><option>-d
 
59
        <replaceable>DIRECTORY</replaceable></option></arg>
 
60
      </group>
 
61
      <sbr/>
 
62
      <group>
 
63
        <arg choice="plain"><option>--type
 
64
        <replaceable>KEYTYPE</replaceable></option></arg>
 
65
        <arg choice="plain"><option>-t
 
66
        <replaceable>KEYTYPE</replaceable></option></arg>
 
67
      </group>
 
68
      <sbr/>
 
69
      <group>
 
70
        <arg choice="plain"><option>--length
 
71
        <replaceable>BITS</replaceable></option></arg>
 
72
        <arg choice="plain"><option>-l
 
73
        <replaceable>BITS</replaceable></option></arg>
 
74
      </group>
 
75
      <sbr/>
 
76
      <group>
 
77
        <arg choice="plain"><option>--subtype
 
78
        <replaceable>KEYTYPE</replaceable></option></arg>
 
79
        <arg choice="plain"><option>-s
 
80
        <replaceable>KEYTYPE</replaceable></option></arg>
 
81
      </group>
 
82
      <sbr/>
 
83
      <group>
 
84
        <arg choice="plain"><option>--sublength
 
85
        <replaceable>BITS</replaceable></option></arg>
 
86
        <arg choice="plain"><option>-L
 
87
        <replaceable>BITS</replaceable></option></arg>
 
88
      </group>
 
89
      <sbr/>
 
90
      <group>
 
91
        <arg choice="plain"><option>--name
 
92
        <replaceable>NAME</replaceable></option></arg>
 
93
        <arg choice="plain"><option>-n
 
94
        <replaceable>NAME</replaceable></option></arg>
 
95
      </group>
 
96
      <sbr/>
 
97
      <group>
 
98
        <arg choice="plain"><option>--email
 
99
        <replaceable>ADDRESS</replaceable></option></arg>
 
100
        <arg choice="plain"><option>-e
 
101
        <replaceable>ADDRESS</replaceable></option></arg>
 
102
      </group>
 
103
      <sbr/>
 
104
      <group>
 
105
        <arg choice="plain"><option>--comment
 
106
        <replaceable>TEXT</replaceable></option></arg>
 
107
        <arg choice="plain"><option>-c
 
108
        <replaceable>TEXT</replaceable></option></arg>
 
109
      </group>
 
110
      <sbr/>
 
111
      <group>
 
112
        <arg choice="plain"><option>--expire
 
113
        <replaceable>TIME</replaceable></option></arg>
 
114
        <arg choice="plain"><option>-x
 
115
        <replaceable>TIME</replaceable></option></arg>
 
116
      </group>
 
117
      <sbr/>
 
118
      <arg><option>--force</option></arg>
 
119
    </cmdsynopsis>
 
120
    <cmdsynopsis>
 
121
      <command>&COMMANDNAME;</command>
 
122
      <group choice="req">
 
123
        <arg choice="plain"><option>--password</option></arg>
 
124
        <arg choice="plain"><option>-p</option></arg>
 
125
      </group>
 
126
      <sbr/>
 
127
      <group>
 
128
        <arg choice="plain"><option>--dir
 
129
        <replaceable>DIRECTORY</replaceable></option></arg>
 
130
        <arg choice="plain"><option>-d
 
131
        <replaceable>DIRECTORY</replaceable></option></arg>
 
132
      </group>
 
133
      <sbr/>
 
134
      <group>
 
135
        <arg choice="plain"><option>--name
 
136
        <replaceable>NAME</replaceable></option></arg>
 
137
        <arg choice="plain"><option>-n
 
138
        <replaceable>NAME</replaceable></option></arg>
 
139
      </group>
 
140
    </cmdsynopsis>
 
141
    <cmdsynopsis>
 
142
      <command>&COMMANDNAME;</command>
 
143
      <group choice="req">
 
144
        <arg choice="plain"><option>--help</option></arg>
 
145
        <arg choice="plain"><option>-h</option></arg>
 
146
      </group>
 
147
    </cmdsynopsis>
 
148
    <cmdsynopsis>
 
149
      <command>&COMMANDNAME;</command>
 
150
      <group choice="req">
 
151
        <arg choice="plain"><option>--version</option></arg>
 
152
        <arg choice="plain"><option>-v</option></arg>
 
153
      </group>
 
154
    </cmdsynopsis>
 
155
  </refsynopsisdiv>
 
156
  
 
157
  <refsect1 id="description">
 
158
    <title>DESCRIPTION</title>
 
159
    <para>
 
160
      <command>&COMMANDNAME;</command> is a program to generate the
 
161
      OpenPGP key used by
 
162
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
163
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
 
164
      normally written to /etc/mandos for later installation into the
 
165
      initrd image, but this, and most other things, can be changed
 
166
      with command line options.
 
167
    </para>
 
168
    <para>
 
169
      This program can also be used with the
 
170
      <option>--password</option> option to generate a ready-made
 
171
      section for <filename>clients.conf</filename> (see
 
172
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
173
      <manvolnum>5</manvolnum></citerefentry>).
 
174
    </para>
 
175
  </refsect1>
 
176
  
 
177
  <refsect1 id="purpose">
 
178
    <title>PURPOSE</title>
 
179
    <para>
 
180
      The purpose of this is to enable <emphasis>remote and unattended
 
181
      rebooting</emphasis> of client host computer with an
 
182
      <emphasis>encrypted root file system</emphasis>.  See <xref
 
183
      linkend="overview"/> for details.
 
184
    </para>
 
185
  </refsect1>
 
186
  
 
187
  <refsect1 id="options">
 
188
    <title>OPTIONS</title>
 
189
    
 
190
    <variablelist>
 
191
      <varlistentry>
 
192
        <term><option>--help</option></term>
 
193
        <term><option>-h</option></term>
 
194
        <listitem>
 
195
          <para>
 
196
            Show a help message and exit
 
197
          </para>
 
198
        </listitem>
 
199
      </varlistentry>
 
200
      
 
201
      <varlistentry>
 
202
        <term><option>--dir
 
203
        <replaceable>DIRECTORY</replaceable></option></term>
 
204
        <term><option>-d
 
205
        <replaceable>DIRECTORY</replaceable></option></term>
 
206
        <listitem>
 
207
          <para>
 
208
            Target directory for key files.  Default is
 
209
            <filename>/etc/mandos</filename>.
 
210
          </para>
 
211
        </listitem>
 
212
      </varlistentry>
 
213
      
 
214
      <varlistentry>
 
215
        <term><option>--type
 
216
        <replaceable>TYPE</replaceable></option></term>
 
217
        <term><option>-t
 
218
        <replaceable>TYPE</replaceable></option></term>
 
219
        <listitem>
 
220
          <para>
 
221
            Key type.  Default is <quote>DSA</quote>.
 
222
          </para>
 
223
        </listitem>
 
224
      </varlistentry>
 
225
      
 
226
      <varlistentry>
 
227
        <term><option>--length
 
228
        <replaceable>BITS</replaceable></option></term>
 
229
        <term><option>-l
 
230
        <replaceable>BITS</replaceable></option></term>
 
231
        <listitem>
 
232
          <para>
 
233
            Key length in bits.  Default is 2048.
 
234
          </para>
 
235
        </listitem>
 
236
      </varlistentry>
 
237
      
 
238
      <varlistentry>
 
239
        <term><option>--subtype
 
240
        <replaceable>KEYTYPE</replaceable></option></term>
 
241
        <term><option>-s
 
242
        <replaceable>KEYTYPE</replaceable></option></term>
 
243
        <listitem>
 
244
          <para>
 
245
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
 
246
            encryption-only).
 
247
          </para>
 
248
        </listitem>
 
249
      </varlistentry>
 
250
      
 
251
      <varlistentry>
 
252
        <term><option>--sublength
 
253
        <replaceable>BITS</replaceable></option></term>
 
254
        <term><option>-L
 
255
        <replaceable>BITS</replaceable></option></term>
 
256
        <listitem>
 
257
          <para>
 
258
            Subkey length in bits.  Default is 2048.
 
259
          </para>
 
260
        </listitem>
 
261
      </varlistentry>
 
262
      
 
263
      <varlistentry>
 
264
        <term><option>--email
 
265
        <replaceable>ADDRESS</replaceable></option></term>
 
266
        <term><option>-e
 
267
        <replaceable>ADDRESS</replaceable></option></term>
 
268
        <listitem>
 
269
          <para>
 
270
            Email address of key.  Default is empty.
 
271
          </para>
 
272
        </listitem>
 
273
      </varlistentry>
 
274
      
 
275
      <varlistentry>
 
276
        <term><option>--comment
 
277
        <replaceable>TEXT</replaceable></option></term>
 
278
        <term><option>-c
 
279
        <replaceable>TEXT</replaceable></option></term>
 
280
        <listitem>
 
281
          <para>
 
282
            Comment field for key.  The default value is
 
283
            <quote><literal>Mandos client key</literal></quote>.
 
284
          </para>
 
285
        </listitem>
 
286
      </varlistentry>
 
287
      
 
288
      <varlistentry>
 
289
        <term><option>--expire
 
290
        <replaceable>TIME</replaceable></option></term>
 
291
        <term><option>-x
 
292
        <replaceable>TIME</replaceable></option></term>
 
293
        <listitem>
 
294
          <para>
 
295
            Key expire time.  Default is no expiration.  See
 
296
            <citerefentry><refentrytitle>gpg</refentrytitle>
 
297
            <manvolnum>1</manvolnum></citerefentry> for syntax.
 
298
          </para>
 
299
        </listitem>
 
300
      </varlistentry>
 
301
      
 
302
      <varlistentry>
 
303
        <term><option>--force</option></term>
 
304
        <term><option>-f</option></term>
 
305
        <listitem>
 
306
          <para>
 
307
            Force overwriting old key.
 
308
          </para>
 
309
        </listitem>
 
310
      </varlistentry>
 
311
      <varlistentry>
 
312
        <term><option>--password</option></term>
 
313
        <term><option>-p</option></term>
 
314
        <listitem>
 
315
          <para>
 
316
            Prompt for a password and encrypt it with the key already
 
317
            present in either <filename>/etc/mandos</filename> or the
 
318
            directory specified with the <option>--dir</option>
 
319
            option.  Outputs, on standard output, a section suitable
 
320
            for inclusion in <citerefentry><refentrytitle
 
321
            >mandos-clients.conf</refentrytitle><manvolnum
 
322
            >8</manvolnum></citerefentry>.  The host name or the name
 
323
            specified with the <option>--name</option> option is used
 
324
            for the section header.  All other options are ignored,
 
325
            and no key is created.
 
326
          </para>
 
327
        </listitem>
 
328
      </varlistentry>
 
329
    </variablelist>
 
330
  </refsect1>
 
331
  
 
332
  <refsect1 id="overview">
 
333
    <title>OVERVIEW</title>
 
334
    <xi:include href="overview.xml"/>
 
335
    <para>
 
336
      This program is a small utility to generate new OpenPGP keys for
 
337
      new Mandos clients, and to generate sections for inclusion in
 
338
      <filename>clients.conf</filename> on the server.
 
339
    </para>
 
340
  </refsect1>
 
341
  
 
342
  <refsect1 id="exit_status">
 
343
    <title>EXIT STATUS</title>
 
344
    <para>
 
345
      The exit status will be 0 if a new key (or password, if the
 
346
      <option>--password</option> option was used) was successfully
 
347
      created, otherwise not.
 
348
    </para>
 
349
  </refsect1>
 
350
  
 
351
  <refsect1 id="environment">
 
352
    <title>ENVIRONMENT</title>
 
353
    <variablelist>
 
354
      <varlistentry>
 
355
        <term><envar>TMPDIR</envar></term>
 
356
        <listitem>
 
357
          <para>
 
358
            If set, temporary files will be created here. See
 
359
            <citerefentry><refentrytitle>mktemp</refentrytitle>
 
360
            <manvolnum>1</manvolnum></citerefentry>.
 
361
          </para>
 
362
        </listitem>
 
363
      </varlistentry>
 
364
    </variablelist>
 
365
  </refsect1>
 
366
  
 
367
  <refsect1 id="file">
 
368
    <title>FILES</title>
 
369
    <para>
 
370
      Use the <option>--dir</option> option to change where
 
371
      <command>&COMMANDNAME;</command> will write the key files.  The
 
372
      default file names are shown here.
 
373
    </para>
 
374
    <variablelist>
 
375
      <varlistentry>
 
376
        <term><filename>/etc/mandos/seckey.txt</filename></term>
 
377
        <listitem>
 
378
          <para>
 
379
            OpenPGP secret key file which will be created or
 
380
            overwritten.
 
381
          </para>
 
382
        </listitem>
 
383
      </varlistentry>
 
384
      <varlistentry>
 
385
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
 
386
        <listitem>
 
387
          <para>
 
388
            OpenPGP public key file which will be created or
 
389
            overwritten.
 
390
          </para>
 
391
        </listitem>
 
392
      </varlistentry>
 
393
      <varlistentry>
 
394
        <term><filename>/tmp</filename></term>
 
395
        <listitem>
 
396
          <para>
 
397
            Temporary files will be written here if
 
398
            <varname>TMPDIR</varname> is not set.
 
399
          </para>
 
400
        </listitem>
 
401
      </varlistentry>
 
402
    </variablelist>
 
403
  </refsect1>
 
404
  
 
405
<!--   <refsect1 id="bugs"> -->
 
406
<!--     <title>BUGS</title> -->
 
407
<!--     <para> -->
 
408
<!--     </para> -->
 
409
<!--   </refsect1> -->
 
410
  
 
411
  <refsect1 id="example">
 
412
    <title>EXAMPLE</title>
 
413
    <informalexample>
 
414
      <para>
 
415
        Normal invocation needs no options:
 
416
      </para>
 
417
      <para>
 
418
        <userinput>&COMMANDNAME;</userinput>
 
419
      </para>
 
420
    </informalexample>
 
421
    <informalexample>
 
422
      <para>
 
423
        Create key in another directory and of another type.  Force
 
424
        overwriting old key files:
 
425
      </para>
 
426
      <para>
 
427
 
 
428
<!-- do not wrap this line -->
 
429
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
 
430
 
 
431
      </para>
 
432
    </informalexample>
 
433
    <informalexample>
 
434
      <para>
 
435
        Prompt for a password, encrypt it with the key in
 
436
        <filename>/etc/mandos</filename> and output a section suitable
 
437
        for <filename>clients.conf</filename>.
 
438
      </para>
 
439
      <para>
 
440
        <userinput>&COMMANDNAME; --password</userinput>
 
441
      </para>
 
442
    </informalexample>
 
443
    <informalexample>
 
444
      <para>
 
445
        Prompt for a password, encrypt it with the key in the
 
446
        <filename>client-key</filename> directory and output a section
 
447
        suitable for <filename>clients.conf</filename>.
 
448
      </para>
 
449
      <para>
 
450
 
 
451
<!-- do not wrap this line -->
 
452
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
 
453
 
 
454
      </para>
 
455
    </informalexample>
 
456
  </refsect1>
 
457
  
 
458
  <refsect1 id="security">
 
459
    <title>SECURITY</title>
 
460
    <para>
 
461
      The <option>--type</option>, <option>--length</option>,
 
462
      <option>--subtype</option>, and <option>--sublength</option>
 
463
      options can be used to create keys of low security.  If in
 
464
      doubt, leave them to the default values.
 
465
    </para>
 
466
    <para>
 
467
      The key expire time is <emphasis>not</emphasis> guaranteed to be
 
468
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
 
469
      <manvolnum>8</manvolnum></citerefentry>.
 
470
    </para>
 
471
  </refsect1>
 
472
  
 
473
  <refsect1 id="see_also">
 
474
    <title>SEE ALSO</title>
 
475
    <para>
 
476
      <citerefentry><refentrytitle>gpg</refentrytitle>
 
477
      <manvolnum>1</manvolnum></citerefentry>,
 
478
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
479
      <manvolnum>5</manvolnum></citerefentry>,
 
480
      <citerefentry><refentrytitle>mandos</refentrytitle>
 
481
      <manvolnum>8</manvolnum></citerefentry>,
 
482
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
483
      <manvolnum>8mandos</manvolnum></citerefentry>
 
484
    </para>
 
485
  </refsect1>
 
486
  
 
487
</refentry>
 
488
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489
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490
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