/mandos/release

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  • Committer: Teddy Hogeborn
  • Date: 2008-07-29 03:35:39 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080729033539-08zecoj3jwlkpjhw
* server.conf: New file.

* mandos-clients.conf: Renamed to clients.conf.

* Makefile (FORTIFY): New.
  (CFLAGS): Include $(FORTIFY).

* plugins.d/mandosclient.c (main): New "if_index" variable.  Bug fix:
                                   check if interface exists.  New
                                   "--connect" option.

* server.py (serviceInterface): Removed; replaced by
                                "AvahiService.interface".  All users
                                changed.
  (AvahiError, AvahiServiceError, AvahiGroupError): New exception
                                                    classes.
  (AvahiService): New class.
  (serviceName): Removed; replaced by "AvahiService.name".  All users
                 changed.
  (serviceType): Removed; replaced by "AvahiService.type".  All users
                 changed.
  (servicePort): Removed; replaced by "AvahiService.port".  All users
                 changed.
  (serviceTXT): Removed; replaced by "AvahiService.TXT".  All users
                changed.
  (domain): Removed; replaced by "AvahiService.domain".  All users
            changed.
  (host): Removed; replaced by "AvahiService.host".  All users
          changed.
  (rename_count): Removed; replaced by "AvahiService.rename_count" and
                 "AvahiService.max_renames".  All users changed.
  (Client.__init__): If no secret or secfile, raise TypeError instead
                     of RuntimeError.
  (Client.last_seen): Renamed to "Client.last_checked_ok".  All users
                      changed.
  (Client.stop, Client.stop_checker): Use "getattr" with default value
                                      instead of "hasattr".
  (Client.still_valid): Removed "now" argument.
  (Client.handle): Separate the "no client found" and "client invalid"
                   cases for clearer code.
  (IPv6_TCPServer.__init__): "options" argument replaced by
                             "settings".  All callers changed.
  (IPv6_TCPServer.options): Replaced by "IPv6_TCPServer.settings".
                            All users changed.
  (IPv6_TCPServer.server_bind): Use getattr instead of hasattr.
  (add_service): Removed; replaced by "AvahiService.add".  All callers
                 changed.
  (remove_service): Removed; replaced by "AvahiService.remove".  All
                    callers changed.
  (entry_group_state_changed): On entry group collision, call the new
                               AvahiService.rename method.  Raise
                               AvahiGroupError on group error.
  (if_nametoindex): Use ctypes.utils.find_library to locate the C
                    library.  Cache the result.  Loop on EINTR.
  (daemon): Use os.path.devnull to locate "/dev/null".
  (killme): Removed.  All callers changed to do "sys.exit()" instead,
            except where stated otherwise.
  (main): Removed "exitstatus".  Removed all default values from all
          non-bool options.  New option "--configdir".  New variables
          "server_defaults" and "server_settings", read from
          "%(configdir)s/server.conf".  Let any supplied command line
          options override server settings.   Variable "defaults"
          renamed to "client_defaults", which is read from
          "clients.conf" instead of "mandos-clients.conf".  New global
          AvahiService object "service" replaces old global variables.
          Catch AvahiError and exit with error if caught.

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plugins.d/usplash.xml
1
 
<?xml version="1.0" encoding="UTF-8"?>
2
 
<!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 "usplash">
5
 
<!ENTITY TIMESTAMP "2017-02-23">
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>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
 
      <holder>Teddy Hogeborn</holder>
45
 
      <holder>Björn Påhlsson</holder>
46
 
    </copyright>
47
 
    <xi:include href="../legalnotice.xml"/>
48
 
  </refentryinfo>
49
 
  
50
 
  <refmeta>
51
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
52
 
    <manvolnum>8mandos</manvolnum>
53
 
  </refmeta>
54
 
  
55
 
  <refnamediv>
56
 
    <refname><command>&COMMANDNAME;</command></refname>
57
 
    <refpurpose>Mandos plugin to use usplash to get a
58
 
    password.</refpurpose>
59
 
  </refnamediv>
60
 
  
61
 
  <refsynopsisdiv>
62
 
    <cmdsynopsis>
63
 
      <command>&COMMANDNAME;</command>
64
 
    </cmdsynopsis>
65
 
  </refsynopsisdiv>
66
 
  
67
 
  <refsect1 id="description">
68
 
    <title>DESCRIPTION</title>
69
 
    <para>
70
 
      This program prompts for a password using <citerefentry>
71
 
      <refentrytitle>usplash</refentrytitle><manvolnum>8</manvolnum>
72
 
      </citerefentry> and outputs any given password to standard
73
 
      output.  If no <citerefentry><refentrytitle
74
 
      >usplash</refentrytitle><manvolnum>8</manvolnum></citerefentry>
75
 
      process can be found, this program will immediately exit with an
76
 
      exit code indicating failure.
77
 
    </para>
78
 
    <para>
79
 
      This program is not very useful on its own.  This program is
80
 
      really meant to run as a plugin in the <application
81
 
      >Mandos</application> client-side system, where it is used as a
82
 
      fallback and alternative to retrieving passwords from a
83
 
      <application >Mandos</application> server.
84
 
    </para>
85
 
    <para>
86
 
      If this program is killed (presumably by
87
 
      <citerefentry><refentrytitle>plugin-runner</refentrytitle>
88
 
      <manvolnum>8mandos</manvolnum></citerefentry> because some other
89
 
      plugin provided the password), it cannot tell <citerefentry>
90
 
      <refentrytitle>usplash</refentrytitle><manvolnum>8</manvolnum>
91
 
      </citerefentry> to abort requesting a password, because
92
 
      <citerefentry><refentrytitle>usplash</refentrytitle>
93
 
      <manvolnum>8</manvolnum></citerefentry> does not support this.
94
 
      Therefore, this program will then <emphasis>kill</emphasis> the
95
 
      running <citerefentry><refentrytitle>usplash</refentrytitle>
96
 
      <manvolnum>8</manvolnum></citerefentry> process and start a
97
 
      <emphasis>new</emphasis> one using the same command line
98
 
      arguments as the old one was using.
99
 
    </para>
100
 
  </refsect1>
101
 
  
102
 
  <refsect1 id="options">
103
 
    <title>OPTIONS</title>
104
 
    <para>
105
 
      This program takes no options.
106
 
    </para>
107
 
  </refsect1>
108
 
  
109
 
  <refsect1 id="exit_status">
110
 
    <title>EXIT STATUS</title>
111
 
    <para>
112
 
      If exit status is 0, the output from the program is the password
113
 
      as it was read.  Otherwise, if exit status is other than 0, the
114
 
      program was interrupted or encountered an error, and any output
115
 
      so far could be corrupt and/or truncated, and should therefore
116
 
      be ignored.
117
 
    </para>
118
 
  </refsect1>
119
 
  
120
 
  <refsect1 id="environment">
121
 
    <title>ENVIRONMENT</title>
122
 
    <variablelist>
123
 
      <varlistentry>
124
 
        <term><envar>cryptsource</envar></term>
125
 
        <term><envar>crypttarget</envar></term>
126
 
        <listitem>
127
 
          <para>
128
 
            If set, these environment variables will be assumed to
129
 
            contain the source device name and the target device
130
 
            mapper name, respectively, and will be shown as part of
131
 
            the prompt.
132
 
        </para>
133
 
        <para>
134
 
          These variables will normally be inherited from
135
 
          <citerefentry><refentrytitle>plugin-runner</refentrytitle>
136
 
          <manvolnum>8mandos</manvolnum></citerefentry>, which will
137
 
          normally have inherited them from
138
 
          <filename>/scripts/local-top/cryptroot</filename> in the
139
 
          initial <acronym>RAM</acronym> disk environment, which will
140
 
          have set them from parsing kernel arguments and
141
 
          <filename>/conf/conf.d/cryptroot</filename> (also in the
142
 
          initial RAM disk environment), which in turn will have been
143
 
          created when the initial RAM disk image was created by
144
 
          <filename
145
 
          >/usr/share/initramfs-tools/hooks/cryptroot</filename>, by
146
 
          extracting the information of the root file system from
147
 
          <filename >/etc/crypttab</filename>.
148
 
        </para>
149
 
        <para>
150
 
          This behavior is meant to exactly mirror the behavior of
151
 
          <command>askpass</command>, the default password prompter.
152
 
        </para>
153
 
        </listitem>
154
 
      </varlistentry>
155
 
    </variablelist>
156
 
  </refsect1>
157
 
  
158
 
  <refsect1 id="files">
159
 
    <title>FILES</title>
160
 
    <variablelist>
161
 
      <varlistentry>
162
 
        <term><filename>/dev/.initramfs/usplash_fifo</filename></term>
163
 
        <listitem>
164
 
          <para>
165
 
            This is the <acronym>FIFO</acronym> to where this program
166
 
            will write the commands for <citerefentry><refentrytitle
167
 
            >usplash</refentrytitle><manvolnum>8</manvolnum>
168
 
            </citerefentry>.  See <citerefentry><refentrytitle
169
 
            >fifo</refentrytitle><manvolnum>7</manvolnum>
170
 
            </citerefentry>.
171
 
          </para>
172
 
        </listitem>
173
 
      </varlistentry>
174
 
      <varlistentry>
175
 
        <term><filename>/dev/.initramfs/usplash_outfifo</filename></term>
176
 
        <listitem>
177
 
          <para>
178
 
            This is the <acronym>FIFO</acronym> where this program
179
 
            will read the password from <citerefentry><refentrytitle
180
 
            >usplash</refentrytitle><manvolnum>8</manvolnum>
181
 
            </citerefentry>.  See <citerefentry><refentrytitle
182
 
            >fifo</refentrytitle><manvolnum>7</manvolnum>
183
 
            </citerefentry>.
184
 
          </para>
185
 
        </listitem>
186
 
      </varlistentry>
187
 
      <varlistentry>
188
 
        <term><filename class="directory">/proc</filename></term>
189
 
        <listitem>
190
 
          <para>
191
 
            To find the running <citerefentry><refentrytitle
192
 
            >usplash</refentrytitle><manvolnum>8</manvolnum>
193
 
            </citerefentry>, this directory will be searched for
194
 
            numeric entries which will be assumed to be directories.
195
 
            In all those directories, the <filename>exe</filename> and
196
 
            <filename>cmdline</filename> entries will be used to
197
 
            determine the name of the running binary, effective user
198
 
            and group <abbrev>ID</abbrev>, and the command line
199
 
            arguments.  See <citerefentry><refentrytitle
200
 
            >proc</refentrytitle><manvolnum>5</manvolnum>
201
 
            </citerefentry>.
202
 
          </para>
203
 
        </listitem>
204
 
      </varlistentry>
205
 
      <varlistentry>
206
 
        <term><filename>/sbin/usplash</filename></term>
207
 
        <listitem>
208
 
          <para>
209
 
            This is the name of the binary which will be searched for
210
 
            in the process list.  See <citerefentry><refentrytitle
211
 
            >usplash</refentrytitle><manvolnum>8</manvolnum>
212
 
            </citerefentry>.
213
 
          </para>
214
 
        </listitem>
215
 
      </varlistentry>
216
 
    </variablelist>
217
 
  </refsect1>
218
 
  
219
 
  <refsect1 id="bugs">
220
 
    <title>BUGS</title>
221
 
    <para>
222
 
      Killing <citerefentry><refentrytitle>usplash</refentrytitle>
223
 
      <manvolnum>8</manvolnum></citerefentry> and starting a new one
224
 
      is ugly, but necessary as long as it does not support aborting a
225
 
      password request.
226
 
    </para>
227
 
    <xi:include href="../bugs.xml"/>
228
 
  </refsect1>
229
 
  
230
 
  <refsect1 id="example">
231
 
    <title>EXAMPLE</title>
232
 
    <para>
233
 
      Note that normally, this program will not be invoked directly,
234
 
      but instead started by the Mandos <citerefentry><refentrytitle
235
 
      >plugin-runner</refentrytitle><manvolnum>8mandos</manvolnum>
236
 
      </citerefentry>.
237
 
    </para>
238
 
    <informalexample>
239
 
      <para>
240
 
        This program takes no options.
241
 
      </para>
242
 
      <para>
243
 
        <userinput>&COMMANDNAME;</userinput>
244
 
      </para>
245
 
    </informalexample>
246
 
  </refsect1>
247
 
  
248
 
  <refsect1 id="security">
249
 
    <title>SECURITY</title>
250
 
    <para>
251
 
      If this program is killed by a signal, it will kill the process
252
 
      <abbrev>ID</abbrev> which at the start of this program was
253
 
      determined to run <citerefentry><refentrytitle
254
 
      >usplash</refentrytitle><manvolnum>8</manvolnum></citerefentry>
255
 
      as root (see also <xref linkend="files"/>).  There is a very
256
 
      slight risk that, in the time between those events, that process
257
 
      <abbrev>ID</abbrev> was freed and then taken up by another
258
 
      process; the wrong process would then be killed.  Now, this
259
 
      program can only be killed by the user who started it; see
260
 
      <citerefentry><refentrytitle>plugin-runner</refentrytitle>
261
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  This program
262
 
      should therefore be started by a completely separate
263
 
      non-privileged user, and no other programs should be allowed to
264
 
      run as that special user.  This means that it is not recommended
265
 
      to use the user "nobody" to start this program, as other
266
 
      possibly less trusted programs could be running as "nobody", and
267
 
      they would then be able to kill this program, triggering the
268
 
      killing of the process <abbrev>ID</abbrev> which may or may not
269
 
      be <citerefentry><refentrytitle>usplash</refentrytitle>
270
 
      <manvolnum>8</manvolnum></citerefentry>.
271
 
    </para>
272
 
    <para>
273
 
      The only other thing that could be considered worthy of note is
274
 
      this:  This program is meant to be run by <citerefentry>
275
 
      <refentrytitle>plugin-runner</refentrytitle><manvolnum
276
 
      >8mandos</manvolnum></citerefentry>, and will, when run
277
 
      standalone, outside, in a normal environment, immediately output
278
 
      on its standard output any presumably secret password it just
279
 
      received.  Therefore, when running this program standalone
280
 
      (which should never normally be done), take care not to type in
281
 
      any real secret password by force of habit, since it would then
282
 
      immediately be shown as output.
283
 
    </para>
284
 
  </refsect1>
285
 
  
286
 
  <refsect1 id="see_also">
287
 
    <title>SEE ALSO</title>
288
 
    <para>
289
 
      <citerefentry><refentrytitle>intro</refentrytitle>
290
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
291
 
      <citerefentry><refentrytitle>crypttab</refentrytitle>
292
 
      <manvolnum>5</manvolnum></citerefentry>,
293
 
      <citerefentry><refentrytitle>fifo</refentrytitle>
294
 
      <manvolnum>7</manvolnum></citerefentry>,
295
 
      <citerefentry><refentrytitle>plugin-runner</refentrytitle>
296
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
297
 
      <citerefentry><refentrytitle>proc</refentrytitle>
298
 
      <manvolnum>5</manvolnum></citerefentry>,
299
 
      <citerefentry><refentrytitle>usplash</refentrytitle>
300
 
      <manvolnum>8</manvolnum></citerefentry>
301
 
    </para>
302
 
  </refsect1>
303
 
</refentry>
304
 
<!-- Local Variables: -->
305
 
<!-- time-stamp-start: "<!ENTITY TIMESTAMP [\"']" -->
306
 
<!-- time-stamp-end: "[\"']>" -->
307
 
<!-- time-stamp-format: "%:y-%02m-%02d" -->
308
 
<!-- End: -->