/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 19:13:50 UTC
  • mfrom: (24.1.83 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20080903191350-la2y2wuxt67xjslb
* mandos-keygen.xml (BUGS): Commented out.

* mandos.xml (BUGS): Note non-checking of expire time of OpenPGP keys.

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 "2018-02-08">
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
34
      <holder>Teddy Hogeborn</holder>
46
35
      <holder>Björn Påhlsson</holder>
47
36
    </copyright>
48
37
    <xi:include href="legalnotice.xml"/>
49
38
  </refentryinfo>
50
 
  
 
39
 
51
40
  <refmeta>
52
41
    <refentrytitle>&COMMANDNAME;</refentrytitle>
53
42
    <manvolnum>8mandos</manvolnum>
56
45
  <refnamediv>
57
46
    <refname><command>&COMMANDNAME;</command></refname>
58
47
    <refpurpose>
59
 
      Run Mandos plugins, pass data from first to succeed.
 
48
      Run Mandos plugins.  Pass data from first succesful one.
60
49
    </refpurpose>
61
50
  </refnamediv>
62
 
  
 
51
 
63
52
  <refsynopsisdiv>
64
53
    <cmdsynopsis>
65
54
      <command>&COMMANDNAME;</command>
66
55
      <group rep="repeat">
67
56
        <arg choice="plain"><option>--global-env=<replaceable
68
 
        >ENV</replaceable><literal>=</literal><replaceable
 
57
        >VAR</replaceable><literal>=</literal><replaceable
69
58
        >value</replaceable></option></arg>
70
59
        <arg choice="plain"><option>-G
71
 
        <replaceable>ENV</replaceable><literal>=</literal><replaceable
 
60
        <replaceable>VAR</replaceable><literal>=</literal><replaceable
72
61
        >value</replaceable> </option></arg>
73
62
      </group>
74
63
      <sbr/>
122
111
      <arg><option>--plugin-dir=<replaceable
123
112
      >DIRECTORY</replaceable></option></arg>
124
113
      <sbr/>
125
 
      <arg><option>--plugin-helper-dir=<replaceable
126
 
      >DIRECTORY</replaceable></option></arg>
127
 
      <sbr/>
128
114
      <arg><option>--config-file=<replaceable
129
115
      >FILE</replaceable></option></arg>
130
116
      <sbr/>
154
140
    <title>DESCRIPTION</title>
155
141
    <para>
156
142
      <command>&COMMANDNAME;</command> is a program which is meant to
157
 
      be specified as a <quote>keyscript</quote> for the root disk in
158
 
      <citerefentry><refentrytitle>crypttab</refentrytitle>
159
 
      <manvolnum>5</manvolnum></citerefentry>.  The aim of this
160
 
      program is therefore to output a password, which then
161
 
      <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>
162
148
      <manvolnum>8</manvolnum></citerefentry> will use to unlock the
163
149
      root disk.
164
150
    </para>
184
170
    <variablelist>
185
171
      <varlistentry>
186
172
        <term><option>--global-env
187
 
        <replaceable>ENV</replaceable><literal>=</literal><replaceable
 
173
        <replaceable>VAR</replaceable><literal>=</literal><replaceable
188
174
        >value</replaceable></option></term>
189
175
        <term><option>-G
190
 
        <replaceable>ENV</replaceable><literal>=</literal><replaceable
 
176
        <replaceable>VAR</replaceable><literal>=</literal><replaceable
191
177
        >value</replaceable></option></term>
192
178
        <listitem>
193
179
          <para>
261
247
          </para>
262
248
        </listitem>
263
249
      </varlistentry>
264
 
      
 
250
 
265
251
      <varlistentry>
266
252
        <term><option>--disable
267
253
        <replaceable>PLUGIN</replaceable></option></term>
272
258
            Disable the plugin named
273
259
            <replaceable>PLUGIN</replaceable>.  The plugin will not be
274
260
            started.
275
 
          </para>
 
261
          </para>       
276
262
        </listitem>
277
263
      </varlistentry>
278
 
      
 
264
 
279
265
      <varlistentry>
280
266
        <term><option>--enable
281
267
        <replaceable>PLUGIN</replaceable></option></term>
286
272
            Re-enable the plugin named
287
273
            <replaceable>PLUGIN</replaceable>.  This is only useful to
288
274
            undo a previous <option>--disable</option> option, maybe
289
 
            from the configuration file.
 
275
            from the config file.
290
276
          </para>
291
277
        </listitem>
292
278
      </varlistentry>
293
 
      
 
279
 
294
280
      <varlistentry>
295
281
        <term><option>--groupid
296
282
        <replaceable>ID</replaceable></option></term>
303
289
          </para>
304
290
        </listitem>
305
291
      </varlistentry>
306
 
      
 
292
 
307
293
      <varlistentry>
308
294
        <term><option>--userid
309
295
        <replaceable>ID</replaceable></option></term>
316
302
          </para>
317
303
        </listitem>
318
304
      </varlistentry>
319
 
      
 
305
 
320
306
      <varlistentry>
321
307
        <term><option>--plugin-dir
322
308
        <replaceable>DIRECTORY</replaceable></option></term>
331
317
      </varlistentry>
332
318
      
333
319
      <varlistentry>
334
 
        <term><option>--plugin-helper-dir
335
 
        <replaceable>DIRECTORY</replaceable></option></term>
336
 
        <listitem>
337
 
          <para>
338
 
            Specify a different plugin helper directory.  The default
339
 
            is <filename>/lib/mandos/plugin-helpers</filename>, which
340
 
            will exist in the initial <acronym>RAM</acronym> disk
341
 
            environment.  (This will simply be passed to all plugins
342
 
            via the <envar>MANDOSPLUGINHELPERDIR</envar> environment
343
 
            variable.  See <xref linkend="writing_plugins"/>)
344
 
          </para>
345
 
        </listitem>
346
 
      </varlistentry>
347
 
      
348
 
      <varlistentry>
349
320
        <term><option>--config-file
350
321
        <replaceable>FILE</replaceable></option></term>
351
322
        <listitem>
394
365
          </para>
395
366
        </listitem>
396
367
      </varlistentry>
397
 
      
 
368
 
398
369
      <varlistentry>
399
370
        <term><option>--version</option></term>
400
371
        <term><option>-V</option></term>
406
377
      </varlistentry>
407
378
    </variablelist>
408
379
  </refsect1>
409
 
  
 
380
 
410
381
  <refsect1 id="overview">
411
382
    <title>OVERVIEW</title>
412
383
    <xi:include href="overview.xml"/>
432
403
      code will make this plugin-runner output the password from that
433
404
      plugin, stop any other plugins, and exit.
434
405
    </para>
435
 
    
 
406
 
436
407
    <refsect2 id="writing_plugins">
437
408
      <title>WRITING PLUGINS</title>
438
409
      <para>
445
416
        console.
446
417
      </para>
447
418
      <para>
448
 
        If the password is a single-line, manually entered passprase,
449
 
        a final trailing newline character should
450
 
        <emphasis>not</emphasis> be printed.
451
 
      </para>
452
 
      <para>
453
419
        The plugin will run in the initial RAM disk environment, so
454
420
        care must be taken not to depend on any files or running
455
 
        services not available there.  Any helper executables required
456
 
        by the plugin (which are not in the <envar>PATH</envar>) can
457
 
        be placed in the plugin helper directory, the name of which
458
 
        will be made available to the plugin via the
459
 
        <envar>MANDOSPLUGINHELPERDIR</envar> environment variable.
 
421
        services not available there.
460
422
      </para>
461
423
      <para>
462
424
        The plugin must exit cleanly and free all allocated resources
466
428
      </para>
467
429
      <para>
468
430
        The plugin must not use resources, like for instance reading
469
 
        from the standard input, without knowing that no other plugin
470
 
        is also using it.
 
431
        from the standard input, without knowing that no other plugins
 
432
        are also using it.
471
433
      </para>
472
434
      <para>
473
435
        It is useful, but not required, for the plugin to take the
505
467
      only passes on its environment to all the plugins.  The
506
468
      environment passed to plugins can be modified using the
507
469
      <option>--global-env</option> and <option>--env-for</option>
508
 
      options.  Also, the <option>--plugin-helper-dir</option> option
509
 
      will affect the environment variable
510
 
      <envar>MANDOSPLUGINHELPERDIR</envar> for the plugins.
 
470
      optins.
511
471
    </para>
512
472
  </refsect1>
513
473
  
546
506
            </para>
547
507
          </listitem>
548
508
        </varlistentry>
549
 
        <varlistentry>
550
 
          <term><filename class="directory"
551
 
          >/lib/mandos/plugins.d</filename></term>
552
 
          <listitem>
553
 
            <para>
554
 
              The default plugin directory; can be changed by the
555
 
              <option>--plugin-dir</option> option.
556
 
            </para>
557
 
          </listitem>
558
 
        </varlistentry>
559
 
        <varlistentry>
560
 
          <term><filename class="directory"
561
 
          >/lib/mandos/plugin-helpers</filename></term>
562
 
          <listitem>
563
 
            <para>
564
 
              The default plugin helper directory; can be changed by
565
 
              the <option>--plugin-helper-dir</option> option.
566
 
            </para>
567
 
          </listitem>
568
 
        </varlistentry>
569
509
      </variablelist>
570
510
    </para>
571
511
  </refsect1>
572
512
  
573
 
  <refsect1 id="bugs">
574
 
    <title>BUGS</title>
575
 
    <para>
576
 
      The <option>--config-file</option> option is ignored when
577
 
      specified from within a configuration file.
578
 
    </para>
579
 
    <xi:include href="bugs.xml"/>
580
 
  </refsect1>
 
513
<!--   <refsect1 id="bugs"> -->
 
514
<!--     <title>BUGS</title> -->
 
515
<!--     <para> -->
 
516
<!--     </para> -->
 
517
<!--   </refsect1> -->
581
518
  
582
519
  <refsect1 id="examples">
583
520
    <title>EXAMPLE</title>
625
562
    </informalexample>
626
563
    <informalexample>
627
564
      <para>
628
 
        Read a different configuration file, run plugins from a
629
 
        different directory, specify an alternate plugin helper
630
 
        directory and add two options to the
631
 
        <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>
632
568
        <manvolnum>8mandos</manvolnum></citerefentry> plugin:
633
569
      </para>
634
570
      <para>
635
571
 
636
572
<!-- do not wrap this line -->
637
 
<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,--seckey=seckey.txt</userinput>
 
573
<userinput>&COMMANDNAME;  --plugin-dir=plugins.d --options-for=password-request:--keydir=keydir</userinput>
638
574
 
639
575
      </para>
640
576
    </informalexample>
648
584
      non-privileged.  This user and group is then what all plugins
649
585
      will be started as.  Therefore, the only way to run a plugin as
650
586
      a privileged user is to have the set-user-ID or set-group-ID bit
651
 
      set on the plugin executable file (see <citerefentry>
 
587
      set on the plugin executable files (see <citerefentry>
652
588
      <refentrytitle>execve</refentrytitle><manvolnum>2</manvolnum>
653
589
      </citerefentry>).
654
590
    </para>
655
591
    <para>
656
592
      If this program is used as a keyscript in <citerefentry
657
593
      ><refentrytitle>crypttab</refentrytitle><manvolnum>5</manvolnum>
658
 
      </citerefentry>, there is a slight risk that if this program
659
 
      fails to work, there might be no way to boot the system except
660
 
      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
661
597
      image to not run this program.  This is, however, unlikely,
662
598
      since the <citerefentry><refentrytitle
663
599
      >password-prompt</refentrytitle><manvolnum>8mandos</manvolnum>
672
608
  <refsect1 id="see_also">
673
609
    <title>SEE ALSO</title>
674
610
    <para>
675
 
      <citerefentry><refentrytitle>intro</refentrytitle>
676
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
677
611
      <citerefentry><refentrytitle>cryptsetup</refentrytitle>
678
612
      <manvolnum>8</manvolnum></citerefentry>,
679
613
      <citerefentry><refentrytitle>crypttab</refentrytitle>
684
618
      <manvolnum>8</manvolnum></citerefentry>,
685
619
      <citerefentry><refentrytitle>password-prompt</refentrytitle>
686
620
      <manvolnum>8mandos</manvolnum></citerefentry>,
687
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
621
      <citerefentry><refentrytitle>password-request</refentrytitle>
688
622
      <manvolnum>8mandos</manvolnum></citerefentry>
689
623
    </para>
690
624
  </refsect1>