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  • Committer: Teddy Hogeborn
  • Date: 2008-08-02 10:48:24 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080802104824-fx0miwp9o4g9r31e
* plugbasedclient.c (struct process): New fields "eof", "completed",
                                      and "status".
  (handle_sigchld): New function.
  (main): Initialize "dir" to NULL to only closedir() it if necessary.
          Move "process_list" to be a global variable to be accessible
          by "handle_sigchld".  Make "handle_sigchld" handle SIGCHLD.
          Remove redundant check for NULL "dir".  Free "filename" when
          no longer used.  Block SIGCHLD around fork()/exec().
          Restore normal signals in child.  Only loop while running
          processes exist.  Print process buffer when the process is
          done and it has emitted EOF, not when it only emits EOF.
          Remove processes from list which exit non-cleanly.  In
          cleaning up, closedir() if necessary.  Bug fix: set next
          pointer correctly when freeing process list.

* plugins.d/passprompt.c (main): Do not ignore SIGQUIT.

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Lines of Context:
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 "2013-10-22">
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>RSA</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 4096.
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>RSA</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 4096.
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.  Default is empty.
292
 
          </para>
293
 
        </listitem>
294
 
      </varlistentry>
295
 
      
296
 
      <varlistentry>
297
 
        <term><option>--expire
298
 
        <replaceable>TIME</replaceable></option></term>
299
 
        <term><option>-x
300
 
        <replaceable>TIME</replaceable></option></term>
301
 
        <listitem>
302
 
          <para>
303
 
            Key expire time.  Default is no expiration.  See
304
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
305
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
306
 
          </para>
307
 
        </listitem>
308
 
      </varlistentry>
309
 
      
310
 
      <varlistentry>
311
 
        <term><option>--force</option></term>
312
 
        <term><option>-f</option></term>
313
 
        <listitem>
314
 
          <para>
315
 
            Force overwriting old key.
316
 
          </para>
317
 
        </listitem>
318
 
      </varlistentry>
319
 
      <varlistentry>
320
 
        <term><option>--password</option></term>
321
 
        <term><option>-p</option></term>
322
 
        <listitem>
323
 
          <para>
324
 
            Prompt for a password and encrypt it with the key already
325
 
            present in either <filename>/etc/mandos</filename> or the
326
 
            directory specified with the <option>--dir</option>
327
 
            option.  Outputs, on standard output, a section suitable
328
 
            for inclusion in <citerefentry><refentrytitle
329
 
            >mandos-clients.conf</refentrytitle><manvolnum
330
 
            >8</manvolnum></citerefentry>.  The host name or the name
331
 
            specified with the <option>--name</option> option is used
332
 
            for the section header.  All other options are ignored,
333
 
            and no key is created.
334
 
          </para>
335
 
        </listitem>
336
 
      </varlistentry>
337
 
      <varlistentry>
338
 
        <term><option>--passfile
339
 
        <replaceable>FILE</replaceable></option></term>
340
 
        <term><option>-F
341
 
        <replaceable>FILE</replaceable></option></term>
342
 
        <listitem>
343
 
          <para>
344
 
            The same as <option>--password</option>, but read from
345
 
            <replaceable>FILE</replaceable>, not the terminal.
346
 
          </para>
347
 
        </listitem>
348
 
      </varlistentry>
349
 
    </variablelist>
350
 
  </refsect1>
351
 
  
352
 
  <refsect1 id="overview">
353
 
    <title>OVERVIEW</title>
354
 
    <xi:include href="overview.xml"/>
355
 
    <para>
356
 
      This program is a small utility to generate new OpenPGP keys for
357
 
      new Mandos clients, and to generate sections for inclusion in
358
 
      <filename>clients.conf</filename> on the server.
359
 
    </para>
360
 
  </refsect1>
361
 
  
362
 
  <refsect1 id="exit_status">
363
 
    <title>EXIT STATUS</title>
364
 
    <para>
365
 
      The exit status will be 0 if a new key (or password, if the
366
 
      <option>--password</option> option was used) was successfully
367
 
      created, otherwise not.
368
 
    </para>
369
 
  </refsect1>
370
 
  
371
 
  <refsect1 id="environment">
372
 
    <title>ENVIRONMENT</title>
373
 
    <variablelist>
374
 
      <varlistentry>
375
 
        <term><envar>TMPDIR</envar></term>
376
 
        <listitem>
377
 
          <para>
378
 
            If set, temporary files will be created here. See
379
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
380
 
            <manvolnum>1</manvolnum></citerefentry>.
381
 
          </para>
382
 
        </listitem>
383
 
      </varlistentry>
384
 
    </variablelist>
385
 
  </refsect1>
386
 
  
387
 
  <refsect1 id="files">
388
 
    <title>FILES</title>
389
 
    <para>
390
 
      Use the <option>--dir</option> option to change where
391
 
      <command>&COMMANDNAME;</command> will write the key files.  The
392
 
      default file names are shown here.
393
 
    </para>
394
 
    <variablelist>
395
 
      <varlistentry>
396
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
397
 
        <listitem>
398
 
          <para>
399
 
            OpenPGP secret key file which will be created or
400
 
            overwritten.
401
 
          </para>
402
 
        </listitem>
403
 
      </varlistentry>
404
 
      <varlistentry>
405
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
406
 
        <listitem>
407
 
          <para>
408
 
            OpenPGP public key file which will be created or
409
 
            overwritten.
410
 
          </para>
411
 
        </listitem>
412
 
      </varlistentry>
413
 
      <varlistentry>
414
 
        <term><filename class="directory">/tmp</filename></term>
415
 
        <listitem>
416
 
          <para>
417
 
            Temporary files will be written here if
418
 
            <varname>TMPDIR</varname> is not set.
419
 
          </para>
420
 
        </listitem>
421
 
      </varlistentry>
422
 
    </variablelist>
423
 
  </refsect1>
424
 
  
425
 
<!--   <refsect1 id="bugs"> -->
426
 
<!--     <title>BUGS</title> -->
427
 
<!--     <para> -->
428
 
<!--     </para> -->
429
 
<!--   </refsect1> -->
430
 
  
431
 
  <refsect1 id="example">
432
 
    <title>EXAMPLE</title>
433
 
    <informalexample>
434
 
      <para>
435
 
        Normal invocation needs no options:
436
 
      </para>
437
 
      <para>
438
 
        <userinput>&COMMANDNAME;</userinput>
439
 
      </para>
440
 
    </informalexample>
441
 
    <informalexample>
442
 
      <para>
443
 
        Create key in another directory and of another type.  Force
444
 
        overwriting old key files:
445
 
      </para>
446
 
      <para>
447
 
 
448
 
<!-- do not wrap this line -->
449
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
450
 
 
451
 
      </para>
452
 
    </informalexample>
453
 
    <informalexample>
454
 
      <para>
455
 
        Prompt for a password, encrypt it with the key in <filename
456
 
        class="directory">/etc/mandos</filename> and output a section
457
 
        suitable for <filename>clients.conf</filename>.
458
 
      </para>
459
 
      <para>
460
 
        <userinput>&COMMANDNAME; --password</userinput>
461
 
      </para>
462
 
    </informalexample>
463
 
    <informalexample>
464
 
      <para>
465
 
        Prompt for a password, encrypt it with the key in the
466
 
        <filename>client-key</filename> directory and output a section
467
 
        suitable for <filename>clients.conf</filename>.
468
 
      </para>
469
 
      <para>
470
 
 
471
 
<!-- do not wrap this line -->
472
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
473
 
 
474
 
      </para>
475
 
    </informalexample>
476
 
  </refsect1>
477
 
  
478
 
  <refsect1 id="security">
479
 
    <title>SECURITY</title>
480
 
    <para>
481
 
      The <option>--type</option>, <option>--length</option>,
482
 
      <option>--subtype</option>, and <option>--sublength</option>
483
 
      options can be used to create keys of low security.  If in
484
 
      doubt, leave them to the default values.
485
 
    </para>
486
 
    <para>
487
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
488
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
489
 
      <manvolnum>8</manvolnum></citerefentry>.
490
 
    </para>
491
 
  </refsect1>
492
 
  
493
 
  <refsect1 id="see_also">
494
 
    <title>SEE ALSO</title>
495
 
    <para>
496
 
      <citerefentry><refentrytitle>intro</refentrytitle>
497
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
498
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
499
 
      <manvolnum>1</manvolnum></citerefentry>,
500
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
501
 
      <manvolnum>5</manvolnum></citerefentry>,
502
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
503
 
      <manvolnum>8</manvolnum></citerefentry>,
504
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
505
 
      <manvolnum>8mandos</manvolnum></citerefentry>
506
 
    </para>
507
 
  </refsect1>
508
 
  
509
 
</refentry>
510
 
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