/mandos/trunk

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

« back to all changes in this revision

Viewing changes to plugin-runner.xml

  • Committer: Teddy Hogeborn
  • Date: 2008-09-03 05:04:40 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080903050440-7cwzxestx6pvdy1i
* Makefile (mandos.8): Add dependency on "overview.xml" and
                       "legalnotice.xml".
  (mandos-keygen.8): New target.
  (mandos-conf.5): Added dependency on "legalnotice.xml".
  (plugin-runner.8mandos): New target
  (plugins.d/password-request.8mandos): - '' -

* mandos-options.xml (priority): Make wording server/client neutral.

* plugins.d/password-request.c (main): Changed .arg fields of the argp
                                       options struct to be more
                                       consistent with the manual.

* plugins.d/password-request.xml (OVERVIEW): Moved to after "OPTIONS".
  (OPTIONS): Improved wording and names of replaceables.

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
1
<?xml version="1.0" encoding="UTF-8"?>
2
2
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3
3
        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
4
<!ENTITY VERSION "1.0">
4
5
<!ENTITY COMMANDNAME "plugin-runner">
5
 
<!ENTITY TIMESTAMP "2019-07-26">
6
 
<!ENTITY % common SYSTEM "common.ent">
7
 
%common;
 
6
<!ENTITY TIMESTAMP "2008-09-02">
8
7
]>
9
8
 
10
9
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
12
11
    <title>Mandos Manual</title>
13
12
    <!-- Nwalsh’s docbook scripts use this to generate the footer: -->
14
13
    <productname>Mandos</productname>
15
 
    <productnumber>&version;</productnumber>
 
14
    <productnumber>&VERSION;</productnumber>
16
15
    <date>&TIMESTAMP;</date>
17
16
    <authorgroup>
18
17
      <author>
19
18
        <firstname>Björn</firstname>
20
19
        <surname>Påhlsson</surname>
21
20
        <address>
22
 
          <email>belorn@recompile.se</email>
 
21
          <email>belorn@fukt.bsnet.se</email>
23
22
        </address>
24
23
      </author>
25
24
      <author>
26
25
        <firstname>Teddy</firstname>
27
26
        <surname>Hogeborn</surname>
28
27
        <address>
29
 
          <email>teddy@recompile.se</email>
 
28
          <email>teddy@fukt.bsnet.se</email>
30
29
        </address>
31
30
      </author>
32
31
    </authorgroup>
33
32
    <copyright>
34
33
      <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
 
      <year>2017</year>
44
 
      <year>2018</year>
45
 
      <year>2019</year>
46
34
      <holder>Teddy Hogeborn</holder>
47
35
      <holder>Björn Påhlsson</holder>
48
36
    </copyright>
49
37
    <xi:include href="legalnotice.xml"/>
50
38
  </refentryinfo>
51
 
  
 
39
 
52
40
  <refmeta>
53
41
    <refentrytitle>&COMMANDNAME;</refentrytitle>
54
42
    <manvolnum>8mandos</manvolnum>
57
45
  <refnamediv>
58
46
    <refname><command>&COMMANDNAME;</command></refname>
59
47
    <refpurpose>
60
 
      Run Mandos plugins, pass data from first to succeed.
 
48
      Run Mandos plugins.  Pass data from first succesful one.
61
49
    </refpurpose>
62
50
  </refnamediv>
63
 
  
 
51
 
64
52
  <refsynopsisdiv>
65
53
    <cmdsynopsis>
66
54
      <command>&COMMANDNAME;</command>
67
55
      <group rep="repeat">
68
56
        <arg choice="plain"><option>--global-env=<replaceable
69
 
        >ENV</replaceable><literal>=</literal><replaceable
 
57
        >VAR</replaceable><literal>=</literal><replaceable
70
58
        >value</replaceable></option></arg>
71
59
        <arg choice="plain"><option>-G
72
 
        <replaceable>ENV</replaceable><literal>=</literal><replaceable
 
60
        <replaceable>VAR</replaceable><literal>=</literal><replaceable
73
61
        >value</replaceable> </option></arg>
74
62
      </group>
75
63
      <sbr/>
123
111
      <arg><option>--plugin-dir=<replaceable
124
112
      >DIRECTORY</replaceable></option></arg>
125
113
      <sbr/>
126
 
      <arg><option>--plugin-helper-dir=<replaceable
127
 
      >DIRECTORY</replaceable></option></arg>
128
 
      <sbr/>
129
114
      <arg><option>--config-file=<replaceable
130
115
      >FILE</replaceable></option></arg>
131
116
      <sbr/>
155
140
    <title>DESCRIPTION</title>
156
141
    <para>
157
142
      <command>&COMMANDNAME;</command> is a program which is meant to
158
 
      be specified as a <quote>keyscript</quote> for the root disk in
159
 
      <citerefentry><refentrytitle>crypttab</refentrytitle>
160
 
      <manvolnum>5</manvolnum></citerefentry>.  The aim of this
161
 
      program is therefore to output a password, which then
162
 
      <citerefentry><refentrytitle>cryptsetup</refentrytitle>
 
143
      be specified as <quote>keyscript</quote> in <citerefentry>
 
144
      <refentrytitle>crypttab</refentrytitle>
 
145
      <manvolnum>5</manvolnum></citerefentry> for the root disk.  The
 
146
      aim of this program is therefore to output a password, which
 
147
      then <citerefentry><refentrytitle>cryptsetup</refentrytitle>
163
148
      <manvolnum>8</manvolnum></citerefentry> will use to unlock the
164
149
      root disk.
165
150
    </para>
185
170
    <variablelist>
186
171
      <varlistentry>
187
172
        <term><option>--global-env
188
 
        <replaceable>ENV</replaceable><literal>=</literal><replaceable
 
173
        <replaceable>VAR</replaceable><literal>=</literal><replaceable
189
174
        >value</replaceable></option></term>
190
175
        <term><option>-G
191
 
        <replaceable>ENV</replaceable><literal>=</literal><replaceable
 
176
        <replaceable>VAR</replaceable><literal>=</literal><replaceable
192
177
        >value</replaceable></option></term>
193
178
        <listitem>
194
179
          <para>
262
247
          </para>
263
248
        </listitem>
264
249
      </varlistentry>
265
 
      
 
250
 
266
251
      <varlistentry>
267
252
        <term><option>--disable
268
253
        <replaceable>PLUGIN</replaceable></option></term>
273
258
            Disable the plugin named
274
259
            <replaceable>PLUGIN</replaceable>.  The plugin will not be
275
260
            started.
276
 
          </para>
 
261
          </para>       
277
262
        </listitem>
278
263
      </varlistentry>
279
 
      
 
264
 
280
265
      <varlistentry>
281
266
        <term><option>--enable
282
267
        <replaceable>PLUGIN</replaceable></option></term>
287
272
            Re-enable the plugin named
288
273
            <replaceable>PLUGIN</replaceable>.  This is only useful to
289
274
            undo a previous <option>--disable</option> option, maybe
290
 
            from the configuration file.
 
275
            from the config file.
291
276
          </para>
292
277
        </listitem>
293
278
      </varlistentry>
294
 
      
 
279
 
295
280
      <varlistentry>
296
281
        <term><option>--groupid
297
282
        <replaceable>ID</replaceable></option></term>
304
289
          </para>
305
290
        </listitem>
306
291
      </varlistentry>
307
 
      
 
292
 
308
293
      <varlistentry>
309
294
        <term><option>--userid
310
295
        <replaceable>ID</replaceable></option></term>
317
302
          </para>
318
303
        </listitem>
319
304
      </varlistentry>
320
 
      
 
305
 
321
306
      <varlistentry>
322
307
        <term><option>--plugin-dir
323
308
        <replaceable>DIRECTORY</replaceable></option></term>
332
317
      </varlistentry>
333
318
      
334
319
      <varlistentry>
335
 
        <term><option>--plugin-helper-dir
336
 
        <replaceable>DIRECTORY</replaceable></option></term>
337
 
        <listitem>
338
 
          <para>
339
 
            Specify a different plugin helper directory.  The default
340
 
            is <filename>/lib/mandos/plugin-helpers</filename>, which
341
 
            will exist in the initial <acronym>RAM</acronym> disk
342
 
            environment.  (This will simply be passed to all plugins
343
 
            via the <envar>MANDOSPLUGINHELPERDIR</envar> environment
344
 
            variable.  See <xref linkend="writing_plugins"/>)
345
 
          </para>
346
 
        </listitem>
347
 
      </varlistentry>
348
 
      
349
 
      <varlistentry>
350
320
        <term><option>--config-file
351
321
        <replaceable>FILE</replaceable></option></term>
352
322
        <listitem>
395
365
          </para>
396
366
        </listitem>
397
367
      </varlistentry>
398
 
      
 
368
 
399
369
      <varlistentry>
400
370
        <term><option>--version</option></term>
401
371
        <term><option>-V</option></term>
407
377
      </varlistentry>
408
378
    </variablelist>
409
379
  </refsect1>
410
 
  
 
380
 
411
381
  <refsect1 id="overview">
412
382
    <title>OVERVIEW</title>
413
383
    <xi:include href="overview.xml"/>
433
403
      code will make this plugin-runner output the password from that
434
404
      plugin, stop any other plugins, and exit.
435
405
    </para>
436
 
    
 
406
 
437
407
    <refsect2 id="writing_plugins">
438
408
      <title>WRITING PLUGINS</title>
439
409
      <para>
446
416
        console.
447
417
      </para>
448
418
      <para>
449
 
        If the password is a single-line, manually entered passprase,
450
 
        a final trailing newline character should
451
 
        <emphasis>not</emphasis> be printed.
452
 
      </para>
453
 
      <para>
454
419
        The plugin will run in the initial RAM disk environment, so
455
420
        care must be taken not to depend on any files or running
456
 
        services not available there.  Any helper executables required
457
 
        by the plugin (which are not in the <envar>PATH</envar>) can
458
 
        be placed in the plugin helper directory, the name of which
459
 
        will be made available to the plugin via the
460
 
        <envar>MANDOSPLUGINHELPERDIR</envar> environment variable.
 
421
        services not available there.
461
422
      </para>
462
423
      <para>
463
424
        The plugin must exit cleanly and free all allocated resources
467
428
      </para>
468
429
      <para>
469
430
        The plugin must not use resources, like for instance reading
470
 
        from the standard input, without knowing that no other plugin
471
 
        is also using it.
 
431
        from the standard input, without knowing that no other plugins
 
432
        are also using it.
472
433
      </para>
473
434
      <para>
474
435
        It is useful, but not required, for the plugin to take the
506
467
      only passes on its environment to all the plugins.  The
507
468
      environment passed to plugins can be modified using the
508
469
      <option>--global-env</option> and <option>--env-for</option>
509
 
      options.  Also, the <option>--plugin-helper-dir</option> option
510
 
      will affect the environment variable
511
 
      <envar>MANDOSPLUGINHELPERDIR</envar> for the plugins.
 
470
      optins.
512
471
    </para>
513
472
  </refsect1>
514
473
  
547
506
            </para>
548
507
          </listitem>
549
508
        </varlistentry>
550
 
        <varlistentry>
551
 
          <term><filename class="directory"
552
 
          >/lib/mandos/plugins.d</filename></term>
553
 
          <listitem>
554
 
            <para>
555
 
              The default plugin directory; can be changed by the
556
 
              <option>--plugin-dir</option> option.
557
 
            </para>
558
 
          </listitem>
559
 
        </varlistentry>
560
 
        <varlistentry>
561
 
          <term><filename class="directory"
562
 
          >/lib/mandos/plugin-helpers</filename></term>
563
 
          <listitem>
564
 
            <para>
565
 
              The default plugin helper directory; can be changed by
566
 
              the <option>--plugin-helper-dir</option> option.
567
 
            </para>
568
 
          </listitem>
569
 
        </varlistentry>
570
509
      </variablelist>
571
510
    </para>
572
511
  </refsect1>
573
512
  
574
 
  <refsect1 id="bugs">
575
 
    <title>BUGS</title>
576
 
    <para>
577
 
      The <option>--config-file</option> option is ignored when
578
 
      specified from within a configuration file.
579
 
    </para>
580
 
    <xi:include href="bugs.xml"/>
581
 
  </refsect1>
 
513
<!--   <refsect1 id="bugs"> -->
 
514
<!--     <title>BUGS</title> -->
 
515
<!--     <para> -->
 
516
<!--     </para> -->
 
517
<!--   </refsect1> -->
582
518
  
583
519
  <refsect1 id="examples">
584
520
    <title>EXAMPLE</title>
626
562
    </informalexample>
627
563
    <informalexample>
628
564
      <para>
629
 
        Read a different configuration file, run plugins from a
630
 
        different directory, specify an alternate plugin helper
631
 
        directory and add four options to the
632
 
        <citerefentry><refentrytitle >mandos-client</refentrytitle>
 
565
        Run plugins from a different directory and add a special
 
566
        option to the <citerefentry><refentrytitle
 
567
        >password-request</refentrytitle>
633
568
        <manvolnum>8mandos</manvolnum></citerefentry> plugin:
634
569
      </para>
635
570
      <para>
636
571
 
637
572
<!-- do not wrap this line -->
638
 
<userinput>cd /etc/keys/mandos; &COMMANDNAME;  --config-file=/etc/mandos/plugin-runner.conf --plugin-dir /usr/lib/x86_64-linux-gnu/mandos/plugins.d --plugin-helper-dir /usr/lib/x86_64-linux-gnu/mandos/plugin-helpers --options-for=mandos-client:--pubkey=pubkey.txt,&#x200b;--seckey=seckey.txt,&#x200b;--tls-pubkey=tls-pubkey.pem,&#x200b;--tls-privkey=tls-privkey.pem</userinput>
 
573
<userinput>&COMMANDNAME;  --plugin-dir=plugins.d --options-for=password-request:--keydir=keydir</userinput>
639
574
 
640
575
      </para>
641
576
    </informalexample>
649
584
      non-privileged.  This user and group is then what all plugins
650
585
      will be started as.  Therefore, the only way to run a plugin as
651
586
      a privileged user is to have the set-user-ID or set-group-ID bit
652
 
      set on the plugin executable file (see <citerefentry>
 
587
      set on the plugin executable files (see <citerefentry>
653
588
      <refentrytitle>execve</refentrytitle><manvolnum>2</manvolnum>
654
589
      </citerefentry>).
655
590
    </para>
656
591
    <para>
657
592
      If this program is used as a keyscript in <citerefentry
658
593
      ><refentrytitle>crypttab</refentrytitle><manvolnum>5</manvolnum>
659
 
      </citerefentry>, there is a slight risk that if this program
660
 
      fails to work, there might be no way to boot the system except
661
 
      for booting from another media and editing the initial RAM disk
 
594
      </citerefentry>, there is a risk that if this program fails to
 
595
      work, there might be no way to boot the system except for
 
596
      booting from another media and editing the initial RAM disk
662
597
      image to not run this program.  This is, however, unlikely,
663
598
      since the <citerefentry><refentrytitle
664
599
      >password-prompt</refentrytitle><manvolnum>8mandos</manvolnum>
673
608
  <refsect1 id="see_also">
674
609
    <title>SEE ALSO</title>
675
610
    <para>
676
 
      <citerefentry><refentrytitle>intro</refentrytitle>
677
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
678
611
      <citerefentry><refentrytitle>cryptsetup</refentrytitle>
679
612
      <manvolnum>8</manvolnum></citerefentry>,
680
613
      <citerefentry><refentrytitle>crypttab</refentrytitle>
685
618
      <manvolnum>8</manvolnum></citerefentry>,
686
619
      <citerefentry><refentrytitle>password-prompt</refentrytitle>
687
620
      <manvolnum>8mandos</manvolnum></citerefentry>,
688
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
621
      <citerefentry><refentrytitle>password-request</refentrytitle>
689
622
      <manvolnum>8mandos</manvolnum></citerefentry>
690
623
    </para>
691
624
  </refsect1>