/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 plugins.d/password-prompt.xml

  • Committer: Teddy Hogeborn
  • Date: 2019-07-27 10:11:45 UTC
  • Revision ID: teddy@recompile.se-20190727101145-jnpbpf8220gldbcd
Add dracut(8) support

Add support for the dracut(8) system for generating initramfs image
files; dracut is an alternative to the "initramfs-tools" package.

* .bzrignore (dracut-module/password-agent): Ignore new binary file.
* dracut-module: New directory for the dracut module.
* INSTALL (Prerequisites/Libraries/Mandos Client): Add dracut as an
                                                   alternative to
                                                   initramfs-tools,
                                                   and also add GLib.
* Makefile (DRACUTMODULE, GLIB_CFLAGS, GLIB_LIBS): New.
  (CPROGS): Add "dracut-module/password-agent".
  (DOCS): Add "dracut-module/password-agent.8mandos".
  (dracut-module/password-agent.8mandos): New.
  (dracut-module/password-agent.8mandos.xhtml): - '' -
  (dracut-module/password-agent): - '' -
  (check): Add command to run tests of password-agent(8mandos).
  (install-client-nokey): Also install the dracut module directory,
                          its files, and the password-agent(8mandos)
                          manual page.
  (install-client): To update the initramfs image file, run
                    update-initramfs or dracut depending on what is
                    installed.
  (uninstall-client): - '' - and also uninstall the the files in the
                      dracut module directory, that directory itself,
                      and the password-agent(8mandos) manual page.
* debian/control (Build-Depends): Add "libglib2.0-dev (>=2.40)".
  (Package: mandos-client/Depends): Add "dracut (>= 044+241-3)" as an
                                    alternative dependency to
                                    initramfs-tools.
  (Package: mandos-client/Conflicts): New; set to
                                      "dracut-config-generic".
  (debian/mandos-client.README.Debian): Document alternative commands
                                        to update the initramfs image
                                        for when dracut is used.
* debian/mandos-client.postinst (update_initramfs): Use alternative
                                                    commands to update
                                                    the initramfs
                                                    image for when
                                                    dracut is used.
* debian/tests/control (password-agent, password-agent-suid): Add two
                                                              new tests.
* dracut-module/ask-password-mandos.path: New.
* dracut-module/ask-password-mandos.service: - '' -
* dracut-module/cmdline-mandos.sh: - '' -
* dracut-module/module-setup.sh: - '' -
* dracut-module/password-agent.c: - '' -
* dracut-module/password-agent.xml: - '' -
* initramfs-unpack: Use the dracut "skipcpio" command, if available.
                    Also be more flexible and try hard to detect where
                    compressed data starts.
* plugins.d/mandos-client.xml (SECURITY): Be more precise that the
                                          mandos-client binary might
                                          not always be setuid, but
                                          that the program assumes
                                          that it has been started
                                          that way.
* plugins.d/password-prompt.c: Add new "--prompt" option.
  (conflict_detection): First try to detect the new PID file of
                        plymouth.
  (main): Define and use new "prompt" variable.
* plugins.d/password-prompt.xml (SYNOPSIS): Show new --prompt option.
  (DESCRIPTION): Describe new behavior of looking for plymouth PID
                 file.
  (OPTIONS): Document new "--prompt" option.
  (ENVIRONMENT): Clarify that the CRYPTTAB_SOURCE and CRYPTTAB_NAME
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the CRYPTTAB_SOURCE and
                 CRYPTTAB_NAME comes from, since this can now be
                 either initramfs-tools or dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference, and add commas
              to separate the other references.
* plugins.d/plymouth.c: Add new "--prompt" and "--debug" options.
  (debug): New global flag.
  (fprintf_plus): New function, used for debug output.
  (exec_and_wait): Add extra "const" to "argv" argument.
  (main): Define and use new "prompt" variable.  Add debug output.
  (main/options, main/parse_opt): New; used to parse options.
* plugins.d/plymouth.xml (SYNOPSIS): Show new options.
  (OPTIONS): Document new options.
  (ENVIRONMENT): Clarify that the cryptsource and crypttarget
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the cryptsource and crypttarget
                 comes from, since this can now be either
                 initramfs-tools or dracut.
  (EXAMPLE): Add an example using an option.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/splashy.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/usplash.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.

Show diffs side-by-side

added added

removed removed

Lines of Context:
plugins.d/password-prompt.xml
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">
5
4
<!ENTITY COMMANDNAME "password-prompt">
6
 
<!ENTITY TIMESTAMP "2008-08-29">
 
5
<!ENTITY TIMESTAMP "2019-07-27">
 
6
<!ENTITY % common SYSTEM "../common.ent">
 
7
%common;
7
8
]>
8
9
 
9
 
<refentry>
 
10
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
10
11
  <refentryinfo>
11
12
    <title>Mandos Manual</title>
12
13
    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
13
14
    <productname>Mandos</productname>
14
 
    <productnumber>&VERSION;</productnumber>
 
15
    <productnumber>&version;</productnumber>
15
16
    <date>&TIMESTAMP;</date>
16
17
    <authorgroup>
17
18
      <author>
18
19
        <firstname>Björn</firstname>
19
20
        <surname>Påhlsson</surname>
20
21
        <address>
21
 
          <email>belorn@fukt.bsnet.se</email>
 
22
          <email>belorn@recompile.se</email>
22
23
        </address>
23
24
      </author>
24
25
      <author>
25
26
        <firstname>Teddy</firstname>
26
27
        <surname>Hogeborn</surname>
27
28
        <address>
28
 
          <email>teddy@fukt.bsnet.se</email>
 
29
          <email>teddy@recompile.se</email>
29
30
        </address>
30
31
      </author>
31
32
    </authorgroup>
32
33
    <copyright>
33
34
      <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>
34
46
      <holder>Teddy Hogeborn</holder>
35
47
      <holder>Björn Påhlsson</holder>
36
48
    </copyright>
37
 
    <legalnotice>
38
 
      <para>
39
 
        This manual page is free software: you can redistribute it
40
 
        and/or modify it under the terms of the GNU General Public
41
 
        License as published by the Free Software Foundation,
42
 
        either version 3 of the License, or (at your option) any
43
 
        later version.
44
 
      </para>
45
 
      
46
 
      <para>
47
 
        This manual page is distributed in the hope that it will
48
 
        be useful, but WITHOUT ANY WARRANTY; without even the
49
 
        implied warranty of MERCHANTABILITY or FITNESS FOR A
50
 
        PARTICULAR PURPOSE.  See the GNU General Public License
51
 
        for more details.
52
 
      </para>
53
 
      
54
 
      <para>
55
 
        You should have received a copy of the GNU General Public
56
 
        License along with this program; If not, see
57
 
        <ulink url="http://www.gnu.org/licenses/"/>.
58
 
      </para>
59
 
    </legalnotice>
 
49
    <xi:include href="../legalnotice.xml"/>
60
50
  </refentryinfo>
61
51
  
62
52
  <refmeta>
73
63
    <cmdsynopsis>
74
64
      <command>&COMMANDNAME;</command>
75
65
      <group choice="opt">
76
 
        <arg choice="plain"><option>-p <replaceable
 
66
        <arg choice="plain"><option>--prefix <replaceable
77
67
        >PREFIX</replaceable></option></arg>
78
 
        <arg choice="plain"><option>--prefix </option><replaceable
 
68
        <arg choice="plain"><option>-p </option><replaceable
79
69
        >PREFIX</replaceable></arg>
80
70
      </group>
 
71
      <sbr/>
 
72
      <arg choice="opt">
 
73
        <option>--prompt <replaceable>PROMPT</replaceable></option>
 
74
      </arg>
81
75
      <arg choice="opt"><option>--debug</option></arg>
82
76
    </cmdsynopsis>
83
77
    <cmdsynopsis>
84
78
      <command>&COMMANDNAME;</command>
85
79
      <group choice="req">
 
80
        <arg choice="plain"><option>--help</option></arg>
86
81
        <arg choice="plain"><option>-?</option></arg>
87
 
        <arg choice="plain"><option>--help</option></arg>
88
82
      </group>
89
83
    </cmdsynopsis>
90
84
    <cmdsynopsis>
94
88
    <cmdsynopsis>
95
89
      <command>&COMMANDNAME;</command>
96
90
      <group choice="req">
 
91
        <arg choice="plain"><option>--version</option></arg>
97
92
        <arg choice="plain"><option>-V</option></arg>
98
 
        <arg choice="plain"><option>--version</option></arg>
99
93
      </group>
100
 
    </cmdsynopsis>    
 
94
    </cmdsynopsis>
101
95
  </refsynopsisdiv>
102
96
  
103
97
  <refsect1 id="description">
104
98
    <title>DESCRIPTION</title>
105
99
    <para>
106
100
      All <command>&COMMANDNAME;</command> does is prompt for a
107
 
      password and output any given password to standard output.  This
108
 
      is not very useful on its own.  This program is really meant to
109
 
      run as a plugin in the <application>Mandos</application>
110
 
      client-side system, where it is used as a fallback and
111
 
      alternative to retriving passwords from a <application
112
 
      >Mandos</application> server.
 
101
      password and output any given password to standard output.
 
102
    </para>
 
103
    <para>
 
104
      This program is not very useful on its own.  This program is
 
105
      really meant to run as a plugin in the <application
 
106
      >Mandos</application> client-side system, where it is used as a
 
107
      fallback and alternative to retrieving passwords from a
 
108
      <application >Mandos</application> server.
113
109
    </para>
114
110
    <para>
115
111
      This program is little more than a <citerefentry><refentrytitle
117
113
      wrapper, although actual use of that function is not guaranteed
118
114
      or implied.
119
115
    </para>
 
116
    <para>
 
117
      This program tries to detect if a Plymouth daemon
 
118
      (<citerefentry><refentrytitle
 
119
      >plymouthd</refentrytitle><manvolnum>8</manvolnum></citerefentry>)
 
120
      is running, by looking for a
 
121
      <filename>/run/plymouth/pid</filename> file or a process named
 
122
      <quote><literal>plymouthd</literal></quote>.  If it is detected,
 
123
      this process will immediately exit without doing anything.
 
124
    </para>
120
125
  </refsect1>
121
126
  
122
127
  <refsect1 id="options">
133
138
    
134
139
    <variablelist>
135
140
      <varlistentry>
136
 
        <term><option>-p</option> <replaceable>PREFIX</replaceable
137
 
        ></term>
138
 
        <term><option>--prefix=</option><replaceable
139
 
        >PREFIX</replaceable></term>
 
141
        <term><option>--prefix=<replaceable
 
142
        >PREFIX</replaceable></option></term>
 
143
        <term><option>-p
 
144
        <replaceable>PREFIX</replaceable></option></term>
140
145
        <listitem>
141
146
          <para>
142
147
            Prefix string shown before the password prompt.
145
150
      </varlistentry>
146
151
      
147
152
      <varlistentry>
 
153
        <term><option>--prompt=<replaceable
 
154
        >PROMPT</replaceable></option></term>
 
155
        <listitem>
 
156
          <para>
 
157
            The password prompt.  Using this option will make this
 
158
            program ignore the <envar>CRYPTTAB_SOURCE</envar> and
 
159
            <envar>CRYPTTAB_NAME</envar> environment variables.
 
160
          </para>
 
161
        </listitem>
 
162
      </varlistentry>
 
163
      
 
164
      <varlistentry>
148
165
        <term><option>--debug</option></term>
149
166
        <listitem>
150
167
          <para>
156
173
      </varlistentry>
157
174
      
158
175
      <varlistentry>
 
176
        <term><option>--help</option></term>
159
177
        <term><option>-?</option></term>
160
 
        <term><option>--help</option></term>
161
178
        <listitem>
162
179
          <para>
163
180
            Gives a help message about options and their meanings.
175
192
      </varlistentry>
176
193
      
177
194
      <varlistentry>
 
195
        <term><option>--version</option></term>
178
196
        <term><option>-V</option></term>
179
 
        <term><option>--version</option></term>
180
197
        <listitem>
181
198
          <para>
182
199
            Prints the program version.
183
200
          </para>
184
201
        </listitem>
185
 
      </varlistentry>            
 
202
      </varlistentry>
186
203
    </variablelist>
187
204
  </refsect1>
188
205
  
200
217
    <title>ENVIRONMENT</title>
201
218
    <variablelist>
202
219
      <varlistentry>
203
 
        <term><envar>cryptsource</envar></term>
204
 
        <term><envar>crypttarget</envar></term>
 
220
        <term><envar>CRYPTTAB_SOURCE</envar></term>
 
221
        <term><envar>CRYPTTAB_NAME</envar></term>
205
222
        <listitem>
206
223
          <para>
207
 
            If set, these environment variables will be assumed to
 
224
            If set, and if the <option>--prompt</option> option is not
 
225
            used, these environment variables will be assumed to
208
226
            contain the source device name and the target device
209
227
            mapper name, respectively, and will be shown as part of
210
228
            the prompt.
212
230
        <para>
213
231
          These variables will normally be inherited from
214
232
          <citerefentry><refentrytitle>plugin-runner</refentrytitle>
215
 
          <manvolnum>8mandos</manvolnum></citerefentry>, which will
216
 
          normally have inherited them from
217
 
          <filename>/scripts/local-top/cryptroot</filename> in the
218
 
          initial RAM disk environment, which will have set them from
219
 
          parsing kernel arguments and
220
 
          <filename>/conf/conf.d/cryptroot</filename> (also in the
221
 
          initial RAM disk environment), which in turn will have been
222
 
          created when the initial RAM disk image was created by
223
 
          <filename
224
 
          >/usr/share/initramfs-tools/hooks/cryptroot</filename>, by
225
 
          extracting the information of the root file system from
226
 
          <filename >/etc/crypttab</filename>.
 
233
          <manvolnum>8mandos</manvolnum></citerefentry>, which might
 
234
          have in turn inherited them from its calling process.
227
235
        </para>
228
236
        <para>
229
237
          This behavior is meant to exactly mirror the behavior of
230
 
          <command>askpass</command>, the default password prompter.
 
238
          <command>askpass</command>, the default password prompter
 
239
          from initramfs-tools.
231
240
        </para>
232
241
        </listitem>
233
242
      </varlistentry>
236
245
  
237
246
  <refsect1 id="bugs">
238
247
    <title>BUGS</title>
239
 
    <para>
240
 
      None are known at this time.
241
 
    </para>
242
 
  </refsect1>  
 
248
    <xi:include href="../bugs.xml"/>
 
249
  </refsect1>
243
250
  
244
251
  <refsect1 id="example">
245
252
    <title>EXAMPLE</title>
261
268
      <para>
262
269
        Show a prefix before the prompt; in this case, a host name.
263
270
        It might be useful to be reminded of which host needs a
264
 
        password, in case of KVM switches, etc.
 
271
        password, in case of <acronym>KVM</acronym> switches, etc.
265
272
      </para>
266
273
      <para>
267
274
 
291
298
      >plugin-runner</refentrytitle><manvolnum>8mandos</manvolnum>
292
299
      </citerefentry>, and will, when run standalone, outside, in a
293
300
      normal environment, immediately output on its standard output
294
 
      any presumably secret password it just recieved.  Therefore,
 
301
      any presumably secret password it just received.  Therefore,
295
302
      when running this program standalone (which should never
296
303
      normally be done), take care not to type in any real secret
297
304
      password by force of habit, since it would then immediately be
309
316
  <refsect1 id="see_also">
310
317
    <title>SEE ALSO</title>
311
318
    <para>
312
 
      <citerefentry><refentrytitle>crypttab</refentrytitle>
313
 
      <manvolnum>5</manvolnum></citerefentry>
314
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
315
 
      <manvolnum>8mandos</manvolnum></citerefentry>
 
319
      <citerefentry><refentrytitle>intro</refentrytitle>
 
320
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
321
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
322
      <manvolnum>8mandos</manvolnum></citerefentry>,
316
323
      <citerefentry><refentrytitle>plugin-runner</refentrytitle>
317
324
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
325
      <citerefentry><refentrytitle>plymouthd</refentrytitle>
 
326
      <manvolnum>8</manvolnum></citerefentry>
318
327
    </para>
319
328
  </refsect1>
320
329
</refentry>