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  • Committer: Teddy Hogeborn
  • Date: 2008-08-01 06:56:27 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080801065627-2c7k4ydefjgacgnq
* plugins.d/plugbasedclient.c (set_cloexec_flag): New function.
  (main): Use the set_cloexec_flag function.  Move inserting of global
  arguments to before the fork.

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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"
3
 
        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4
 
<!ENTITY COMMANDNAME "mandos-keygen">
5
 
<!ENTITY TIMESTAMP "2012-01-01">
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>2011</year>
37
 
      <year>2012</year>
38
 
      <holder>Teddy Hogeborn</holder>
39
 
      <holder>Björn Påhlsson</holder>
40
 
    </copyright>
41
 
    <xi:include href="legalnotice.xml"/>
42
 
  </refentryinfo>
43
 
  
44
 
  <refmeta>
45
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
46
 
    <manvolnum>8</manvolnum>
47
 
  </refmeta>
48
 
  
49
 
  <refnamediv>
50
 
    <refname><command>&COMMANDNAME;</command></refname>
51
 
    <refpurpose>
52
 
      Generate key and password for Mandos client and server.
53
 
    </refpurpose>
54
 
  </refnamediv>
55
 
  
56
 
  <refsynopsisdiv>
57
 
    <cmdsynopsis>
58
 
      <command>&COMMANDNAME;</command>
59
 
      <group>
60
 
        <arg choice="plain"><option>--dir
61
 
        <replaceable>DIRECTORY</replaceable></option></arg>
62
 
        <arg choice="plain"><option>-d
63
 
        <replaceable>DIRECTORY</replaceable></option></arg>
64
 
      </group>
65
 
      <sbr/>
66
 
      <group>
67
 
        <arg choice="plain"><option>--type
68
 
        <replaceable>KEYTYPE</replaceable></option></arg>
69
 
        <arg choice="plain"><option>-t
70
 
        <replaceable>KEYTYPE</replaceable></option></arg>
71
 
      </group>
72
 
      <sbr/>
73
 
      <group>
74
 
        <arg choice="plain"><option>--length
75
 
        <replaceable>BITS</replaceable></option></arg>
76
 
        <arg choice="plain"><option>-l
77
 
        <replaceable>BITS</replaceable></option></arg>
78
 
      </group>
79
 
      <sbr/>
80
 
      <group>
81
 
        <arg choice="plain"><option>--subtype
82
 
        <replaceable>KEYTYPE</replaceable></option></arg>
83
 
        <arg choice="plain"><option>-s
84
 
        <replaceable>KEYTYPE</replaceable></option></arg>
85
 
      </group>
86
 
      <sbr/>
87
 
      <group>
88
 
        <arg choice="plain"><option>--sublength
89
 
        <replaceable>BITS</replaceable></option></arg>
90
 
        <arg choice="plain"><option>-L
91
 
        <replaceable>BITS</replaceable></option></arg>
92
 
      </group>
93
 
      <sbr/>
94
 
      <group>
95
 
        <arg choice="plain"><option>--name
96
 
        <replaceable>NAME</replaceable></option></arg>
97
 
        <arg choice="plain"><option>-n
98
 
        <replaceable>NAME</replaceable></option></arg>
99
 
      </group>
100
 
      <sbr/>
101
 
      <group>
102
 
        <arg choice="plain"><option>--email
103
 
        <replaceable>ADDRESS</replaceable></option></arg>
104
 
        <arg choice="plain"><option>-e
105
 
        <replaceable>ADDRESS</replaceable></option></arg>
106
 
      </group>
107
 
      <sbr/>
108
 
      <group>
109
 
        <arg choice="plain"><option>--comment
110
 
        <replaceable>TEXT</replaceable></option></arg>
111
 
        <arg choice="plain"><option>-c
112
 
        <replaceable>TEXT</replaceable></option></arg>
113
 
      </group>
114
 
      <sbr/>
115
 
      <group>
116
 
        <arg choice="plain"><option>--expire
117
 
        <replaceable>TIME</replaceable></option></arg>
118
 
        <arg choice="plain"><option>-x
119
 
        <replaceable>TIME</replaceable></option></arg>
120
 
      </group>
121
 
      <sbr/>
122
 
      <arg><option>--force</option></arg>
123
 
    </cmdsynopsis>
124
 
    <cmdsynopsis>
125
 
      <command>&COMMANDNAME;</command>
126
 
      <group choice="req">
127
 
        <arg choice="plain"><option>--password</option></arg>
128
 
        <arg choice="plain"><option>-p</option></arg>
129
 
        <arg choice="plain"><option>--passfile
130
 
        <replaceable>FILE</replaceable></option></arg>
131
 
        <arg choice="plain"><option>-F</option>
132
 
        <replaceable>FILE</replaceable></arg>
133
 
      </group>
134
 
      <sbr/>
135
 
      <group>
136
 
        <arg choice="plain"><option>--dir
137
 
        <replaceable>DIRECTORY</replaceable></option></arg>
138
 
        <arg choice="plain"><option>-d
139
 
        <replaceable>DIRECTORY</replaceable></option></arg>
140
 
      </group>
141
 
      <sbr/>
142
 
      <group>
143
 
        <arg choice="plain"><option>--name
144
 
        <replaceable>NAME</replaceable></option></arg>
145
 
        <arg choice="plain"><option>-n
146
 
        <replaceable>NAME</replaceable></option></arg>
147
 
      </group>
148
 
    </cmdsynopsis>
149
 
    <cmdsynopsis>
150
 
      <command>&COMMANDNAME;</command>
151
 
      <group choice="req">
152
 
        <arg choice="plain"><option>--help</option></arg>
153
 
        <arg choice="plain"><option>-h</option></arg>
154
 
      </group>
155
 
    </cmdsynopsis>
156
 
    <cmdsynopsis>
157
 
      <command>&COMMANDNAME;</command>
158
 
      <group choice="req">
159
 
        <arg choice="plain"><option>--version</option></arg>
160
 
        <arg choice="plain"><option>-v</option></arg>
161
 
      </group>
162
 
    </cmdsynopsis>
163
 
  </refsynopsisdiv>
164
 
  
165
 
  <refsect1 id="description">
166
 
    <title>DESCRIPTION</title>
167
 
    <para>
168
 
      <command>&COMMANDNAME;</command> is a program to generate the
169
 
      OpenPGP key used by
170
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
171
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
172
 
      normally written to /etc/mandos for later installation into the
173
 
      initrd image, but this, and most other things, can be changed
174
 
      with command line options.
175
 
    </para>
176
 
    <para>
177
 
      This program can also be used with the
178
 
      <option>--password</option> or <option>--passfile</option>
179
 
      options to generate a ready-made section for
180
 
      <filename>clients.conf</filename> (see
181
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
182
 
      <manvolnum>5</manvolnum></citerefentry>).
183
 
    </para>
184
 
  </refsect1>
185
 
  
186
 
  <refsect1 id="purpose">
187
 
    <title>PURPOSE</title>
188
 
    <para>
189
 
      The purpose of this is to enable <emphasis>remote and unattended
190
 
      rebooting</emphasis> of client host computer with an
191
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
192
 
      linkend="overview"/> for details.
193
 
    </para>
194
 
  </refsect1>
195
 
  
196
 
  <refsect1 id="options">
197
 
    <title>OPTIONS</title>
198
 
    
199
 
    <variablelist>
200
 
      <varlistentry>
201
 
        <term><option>--help</option></term>
202
 
        <term><option>-h</option></term>
203
 
        <listitem>
204
 
          <para>
205
 
            Show a help message and exit
206
 
          </para>
207
 
        </listitem>
208
 
      </varlistentry>
209
 
      
210
 
      <varlistentry>
211
 
        <term><option>--dir
212
 
        <replaceable>DIRECTORY</replaceable></option></term>
213
 
        <term><option>-d
214
 
        <replaceable>DIRECTORY</replaceable></option></term>
215
 
        <listitem>
216
 
          <para>
217
 
            Target directory for key files.  Default is
218
 
            <filename class="directory">/etc/mandos</filename>.
219
 
          </para>
220
 
        </listitem>
221
 
      </varlistentry>
222
 
      
223
 
      <varlistentry>
224
 
        <term><option>--type
225
 
        <replaceable>TYPE</replaceable></option></term>
226
 
        <term><option>-t
227
 
        <replaceable>TYPE</replaceable></option></term>
228
 
        <listitem>
229
 
          <para>
230
 
            Key type.  Default is <quote>DSA</quote>.
231
 
          </para>
232
 
        </listitem>
233
 
      </varlistentry>
234
 
      
235
 
      <varlistentry>
236
 
        <term><option>--length
237
 
        <replaceable>BITS</replaceable></option></term>
238
 
        <term><option>-l
239
 
        <replaceable>BITS</replaceable></option></term>
240
 
        <listitem>
241
 
          <para>
242
 
            Key length in bits.  Default is 2048.
243
 
          </para>
244
 
        </listitem>
245
 
      </varlistentry>
246
 
      
247
 
      <varlistentry>
248
 
        <term><option>--subtype
249
 
        <replaceable>KEYTYPE</replaceable></option></term>
250
 
        <term><option>-s
251
 
        <replaceable>KEYTYPE</replaceable></option></term>
252
 
        <listitem>
253
 
          <para>
254
 
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
255
 
            encryption-only).
256
 
          </para>
257
 
        </listitem>
258
 
      </varlistentry>
259
 
      
260
 
      <varlistentry>
261
 
        <term><option>--sublength
262
 
        <replaceable>BITS</replaceable></option></term>
263
 
        <term><option>-L
264
 
        <replaceable>BITS</replaceable></option></term>
265
 
        <listitem>
266
 
          <para>
267
 
            Subkey length in bits.  Default is 2048.
268
 
          </para>
269
 
        </listitem>
270
 
      </varlistentry>
271
 
      
272
 
      <varlistentry>
273
 
        <term><option>--email
274
 
        <replaceable>ADDRESS</replaceable></option></term>
275
 
        <term><option>-e
276
 
        <replaceable>ADDRESS</replaceable></option></term>
277
 
        <listitem>
278
 
          <para>
279
 
            Email address of key.  Default is empty.
280
 
          </para>
281
 
        </listitem>
282
 
      </varlistentry>
283
 
      
284
 
      <varlistentry>
285
 
        <term><option>--comment
286
 
        <replaceable>TEXT</replaceable></option></term>
287
 
        <term><option>-c
288
 
        <replaceable>TEXT</replaceable></option></term>
289
 
        <listitem>
290
 
          <para>
291
 
            Comment field for key.  The default value is
292
 
            <quote><literal>Mandos client key</literal></quote>.
293
 
          </para>
294
 
        </listitem>
295
 
      </varlistentry>
296
 
      
297
 
      <varlistentry>
298
 
        <term><option>--expire
299
 
        <replaceable>TIME</replaceable></option></term>
300
 
        <term><option>-x
301
 
        <replaceable>TIME</replaceable></option></term>
302
 
        <listitem>
303
 
          <para>
304
 
            Key expire time.  Default is no expiration.  See
305
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
306
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
307
 
          </para>
308
 
        </listitem>
309
 
      </varlistentry>
310
 
      
311
 
      <varlistentry>
312
 
        <term><option>--force</option></term>
313
 
        <term><option>-f</option></term>
314
 
        <listitem>
315
 
          <para>
316
 
            Force overwriting old key.
317
 
          </para>
318
 
        </listitem>
319
 
      </varlistentry>
320
 
      <varlistentry>
321
 
        <term><option>--password</option></term>
322
 
        <term><option>-p</option></term>
323
 
        <listitem>
324
 
          <para>
325
 
            Prompt for a password and encrypt it with the key already
326
 
            present in either <filename>/etc/mandos</filename> or the
327
 
            directory specified with the <option>--dir</option>
328
 
            option.  Outputs, on standard output, a section suitable
329
 
            for inclusion in <citerefentry><refentrytitle
330
 
            >mandos-clients.conf</refentrytitle><manvolnum
331
 
            >8</manvolnum></citerefentry>.  The host name or the name
332
 
            specified with the <option>--name</option> option is used
333
 
            for the section header.  All other options are ignored,
334
 
            and no key is created.
335
 
          </para>
336
 
        </listitem>
337
 
      </varlistentry>
338
 
      <varlistentry>
339
 
        <term><option>--passfile
340
 
        <replaceable>FILE</replaceable></option></term>
341
 
        <term><option>-F
342
 
        <replaceable>FILE</replaceable></option></term>
343
 
        <listitem>
344
 
          <para>
345
 
            The same as <option>--password</option>, but read from
346
 
            <replaceable>FILE</replaceable>, not the terminal.
347
 
          </para>
348
 
        </listitem>
349
 
      </varlistentry>
350
 
    </variablelist>
351
 
  </refsect1>
352
 
  
353
 
  <refsect1 id="overview">
354
 
    <title>OVERVIEW</title>
355
 
    <xi:include href="overview.xml"/>
356
 
    <para>
357
 
      This program is a small utility to generate new OpenPGP keys for
358
 
      new Mandos clients, and to generate sections for inclusion in
359
 
      <filename>clients.conf</filename> on the server.
360
 
    </para>
361
 
  </refsect1>
362
 
  
363
 
  <refsect1 id="exit_status">
364
 
    <title>EXIT STATUS</title>
365
 
    <para>
366
 
      The exit status will be 0 if a new key (or password, if the
367
 
      <option>--password</option> option was used) was successfully
368
 
      created, otherwise not.
369
 
    </para>
370
 
  </refsect1>
371
 
  
372
 
  <refsect1 id="environment">
373
 
    <title>ENVIRONMENT</title>
374
 
    <variablelist>
375
 
      <varlistentry>
376
 
        <term><envar>TMPDIR</envar></term>
377
 
        <listitem>
378
 
          <para>
379
 
            If set, temporary files will be created here. See
380
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
381
 
            <manvolnum>1</manvolnum></citerefentry>.
382
 
          </para>
383
 
        </listitem>
384
 
      </varlistentry>
385
 
    </variablelist>
386
 
  </refsect1>
387
 
  
388
 
  <refsect1 id="files">
389
 
    <title>FILES</title>
390
 
    <para>
391
 
      Use the <option>--dir</option> option to change where
392
 
      <command>&COMMANDNAME;</command> will write the key files.  The
393
 
      default file names are shown here.
394
 
    </para>
395
 
    <variablelist>
396
 
      <varlistentry>
397
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
398
 
        <listitem>
399
 
          <para>
400
 
            OpenPGP secret key file which will be created or
401
 
            overwritten.
402
 
          </para>
403
 
        </listitem>
404
 
      </varlistentry>
405
 
      <varlistentry>
406
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
407
 
        <listitem>
408
 
          <para>
409
 
            OpenPGP public key file which will be created or
410
 
            overwritten.
411
 
          </para>
412
 
        </listitem>
413
 
      </varlistentry>
414
 
      <varlistentry>
415
 
        <term><filename class="directory">/tmp</filename></term>
416
 
        <listitem>
417
 
          <para>
418
 
            Temporary files will be written here if
419
 
            <varname>TMPDIR</varname> is not set.
420
 
          </para>
421
 
        </listitem>
422
 
      </varlistentry>
423
 
    </variablelist>
424
 
  </refsect1>
425
 
  
426
 
<!--   <refsect1 id="bugs"> -->
427
 
<!--     <title>BUGS</title> -->
428
 
<!--     <para> -->
429
 
<!--     </para> -->
430
 
<!--   </refsect1> -->
431
 
  
432
 
  <refsect1 id="example">
433
 
    <title>EXAMPLE</title>
434
 
    <informalexample>
435
 
      <para>
436
 
        Normal invocation needs no options:
437
 
      </para>
438
 
      <para>
439
 
        <userinput>&COMMANDNAME;</userinput>
440
 
      </para>
441
 
    </informalexample>
442
 
    <informalexample>
443
 
      <para>
444
 
        Create key in another directory and of another type.  Force
445
 
        overwriting old key files:
446
 
      </para>
447
 
      <para>
448
 
 
449
 
<!-- do not wrap this line -->
450
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
451
 
 
452
 
      </para>
453
 
    </informalexample>
454
 
    <informalexample>
455
 
      <para>
456
 
        Prompt for a password, encrypt it with the key in <filename
457
 
        class="directory">/etc/mandos</filename> and output a section
458
 
        suitable for <filename>clients.conf</filename>.
459
 
      </para>
460
 
      <para>
461
 
        <userinput>&COMMANDNAME; --password</userinput>
462
 
      </para>
463
 
    </informalexample>
464
 
    <informalexample>
465
 
      <para>
466
 
        Prompt for a password, encrypt it with the key in the
467
 
        <filename>client-key</filename> directory and output a section
468
 
        suitable for <filename>clients.conf</filename>.
469
 
      </para>
470
 
      <para>
471
 
 
472
 
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473
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
474
 
 
475
 
      </para>
476
 
    </informalexample>
477
 
  </refsect1>
478
 
  
479
 
  <refsect1 id="security">
480
 
    <title>SECURITY</title>
481
 
    <para>
482
 
      The <option>--type</option>, <option>--length</option>,
483
 
      <option>--subtype</option>, and <option>--sublength</option>
484
 
      options can be used to create keys of low security.  If in
485
 
      doubt, leave them to the default values.
486
 
    </para>
487
 
    <para>
488
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
489
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
490
 
      <manvolnum>8</manvolnum></citerefentry>.
491
 
    </para>
492
 
  </refsect1>
493
 
  
494
 
  <refsect1 id="see_also">
495
 
    <title>SEE ALSO</title>
496
 
    <para>
497
 
      <citerefentry><refentrytitle>intro</refentrytitle>
498
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
499
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
500
 
      <manvolnum>1</manvolnum></citerefentry>,
501
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
502
 
      <manvolnum>5</manvolnum></citerefentry>,
503
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
504
 
      <manvolnum>8</manvolnum></citerefentry>,
505
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
506
 
      <manvolnum>8mandos</manvolnum></citerefentry>
507
 
    </para>
508
 
  </refsect1>
509
 
  
510
 
</refentry>
511
 
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512
 
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