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  • Committer: Teddy Hogeborn
  • Date: 2015-07-20 03:03:33 UTC
  • Revision ID: teddy@recompile.se-20150720030333-203m2aeblypcsfte
Bug fix for GnuTLS 3: be compatible with old 2048-bit DSA keys.

The mandos-keygen program in Mandos version 1.6.0 and older generated
2048-bit DSA keys, and when GnuTLS uses these it has trouble
connecting using the Mandos default priority string.  This was
previously fixed in Mandos 1.6.2, but the bug reappeared when using
GnuTLS 3, so the default priority string has to change again; this
time also the Mandos client has to change its default, so now the
server and the client should use the same default priority string:

SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA:+SIGN-DSA-SHA256

* mandos (main/server_defaults): Changed default priority string.
* mandos-options.xml (/section/para[id="priority_compat"]): Removed.
  (/section/para[id="priority"]): Changed default priority string.
* mandos.conf ([DEFAULT]/priority): - '' -
* mandos.conf.xml (OPTIONS/priority): Refer to the id "priority"
                                      instead of "priority_compat".
* mandos.xml (OPTIONS/--priority): - '' -
* plugins.d/mandos-client.c (main): Changed default priority string.

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mandos.conf.xml
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<?xml version='1.0' encoding='UTF-8'?>
 
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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"
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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY VERSION "1.0">
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<!ENTITY CONFNAME "mandos.conf">
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<!ENTITY CONFPATH "<filename>/etc/mandos/mandos.conf</filename>">
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<!ENTITY OVERVIEW SYSTEM "overview.xml">
 
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<!ENTITY TIMESTAMP "2015-07-20">
 
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<!ENTITY % common SYSTEM "common.ent">
 
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%common;
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]>
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<refentry>
 
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
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  <refentryinfo>
12
 
    <title>&CONFNAME;</title>
 
13
    <title>Mandos Manual</title>
13
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    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
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    <productname>&CONFNAME;</productname>
15
 
    <productnumber>&VERSION;</productnumber>
 
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    <productname>Mandos</productname>
 
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    <productnumber>&version;</productnumber>
 
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    <date>&TIMESTAMP;</date>
16
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    <authorgroup>
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      <author>
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        <firstname>Björn</firstname>
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        <surname>Påhlsson</surname>
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        <address>
21
 
          <email>belorn@fukt.bsnet.se</email>
 
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          <email>belorn@recompile.se</email>
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        </address>
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      </author>
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      <author>
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        <firstname>Teddy</firstname>
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        <surname>Hogeborn</surname>
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        <address>
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          <email>teddy@fukt.bsnet.se</email>
 
30
          <email>teddy@recompile.se</email>
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        </address>
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      </author>
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    </authorgroup>
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    <copyright>
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      <year>2008</year>
 
36
      <year>2009</year>
 
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      <year>2011</year>
 
38
      <year>2012</year>
 
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      <year>2013</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </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>
 
43
    <xi:include href="legalnotice.xml"/>
60
44
  </refentryinfo>
61
 
 
 
45
  
62
46
  <refmeta>
63
47
    <refentrytitle>&CONFNAME;</refentrytitle>
64
48
    <manvolnum>5</manvolnum>
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54
      Configuration file for the Mandos server
71
55
    </refpurpose>
72
56
  </refnamediv>
73
 
 
 
57
  
74
58
  <refsynopsisdiv>
75
 
    <synopsis>
76
 
      &CONFPATH;
77
 
    </synopsis>
 
59
    <synopsis>&CONFPATH;</synopsis>
78
60
  </refsynopsisdiv>
79
 
 
 
61
  
80
62
  <refsect1 id="description">
81
63
    <title>DESCRIPTION</title>
82
64
    <para>
83
65
      The file &CONFPATH; is a simple configuration file for
84
66
      <citerefentry><refentrytitle>mandos</refentrytitle>
85
67
      <manvolnum>8</manvolnum></citerefentry>, and is read by it at
86
 
      startup.  The configuration file starts with
87
 
      <quote><literal>[DEFAULT]</literal></quote> on a line by itself,
88
 
      followed by any number of
89
 
      <quote><varname><replaceable>option</replaceable></varname>=<replaceable>value</replaceable></quote>
90
 
      entries, with continuations in the style of RFC 822.
91
 
      <quote><varname><replaceable>option</replaceable></varname>:
92
 
      <replaceable>value</replaceable></quote> is also accepted.  Note
93
 
      that leading whitespace is removed from values.  Lines beginning
94
 
      with <quote>#</quote> or <quote>;</quote> are ignored and may be
95
 
      used to provide comments.
96
 
    </para>
97
 
 
98
 
    <para>
99
 
      The options are:
100
 
    </para>
101
 
 
 
68
      startup.  The configuration file starts with <quote><literal
 
69
      >[DEFAULT]</literal></quote> on a line by itself, followed by
 
70
      any number of <quote><varname><replaceable>option</replaceable
 
71
      ></varname>=<replaceable>value</replaceable></quote> entries,
 
72
      with continuations in the style of RFC 822.  <quote><varname
 
73
      ><replaceable>option</replaceable></varname>: <replaceable
 
74
      >value</replaceable></quote> is also accepted.  Note that
 
75
      leading whitespace is removed from values.  Lines beginning with
 
76
      <quote>#</quote> or <quote>;</quote> are ignored and may be used
 
77
      to provide comments.
 
78
    </para>
 
79
    
 
80
  </refsect1>
 
81
  <refsect1>
 
82
    <title>OPTIONS</title>
 
83
    
102
84
    <variablelist>
103
85
      <varlistentry>
104
 
        <term><literal><varname>interface</varname></literal></term>
105
 
        <listitem>
106
 
          <para>
107
 
            This option allows you to override the default network
108
 
            interfaces. By default mandos will not bind to any
109
 
            specific interface but instead use default avahi-server
110
 
            behaviour.
111
 
          </para>
112
 
        </listitem>
113
 
      </varlistentry>
114
 
 
115
 
      <varlistentry>
116
 
        <term><literal><varname>address</varname></literal></term>
117
 
        <listitem>
118
 
          <para>
119
 
            This option allows you to override the default network
120
 
            address. By default mandos will not bind to any
121
 
            specific address but instead use default avahi-server
122
 
            behaviour.
123
 
          </para>
124
 
        </listitem>
125
 
      </varlistentry>      
126
 
 
127
 
      <varlistentry>
128
 
        <term><literal><varname>port</varname></literal></term>
129
 
        <listitem>
130
 
          <para>
131
 
            This option allows you to override the default port to
132
 
            listen on. By default mandos will not specify any specific
133
 
            port and instead use a random port given by the OS from
134
 
            the use of INADDR_ANY.
135
 
          </para>
136
 
        </listitem>
137
 
      </varlistentry>
138
 
 
139
 
      <varlistentry>
140
 
        <term><literal><varname>debug</varname></literal></term>
141
 
        <listitem>
142
 
          <para>
143
 
            This option allows you to modify debug mode with a true/false
144
 
            boolean value. By default is debug set to <literal>false</literal>.
145
 
          </para>
146
 
        </listitem>
147
 
      </varlistentry>      
148
 
 
149
 
      <varlistentry>
150
 
        <term><literal><varname>priority</varname></literal></term>
151
 
        <listitem>
152
 
          <para>
153
 
            This option allows you to override the default gnutls
154
 
            priority that will be used in gnutls session. See
155
 
            <citerefentry><refentrytitle>gnutls_priority_init
156
 
            </refentrytitle><manvolnum>3</manvolnum></citerefentry>for
157
 
            more information on gnutls priority strings.
158
 
          </para>         
159
 
        </listitem>
160
 
      </varlistentry>
161
 
 
162
 
      <varlistentry>
163
 
        <term><literal><varname>servicename</varname></literal></term>
164
 
        <listitem>
165
 
          <para>
166
 
            This option allows you to override the default Zeroconf
167
 
            service name use to announce mandos as a avahi service. By
168
 
            default mandos will use "Mandos".
169
 
          </para>
 
86
        <term><option>interface<literal> = </literal><replaceable
 
87
        >NAME</replaceable></option></term>
 
88
        <listitem>
 
89
          <xi:include href="mandos-options.xml" xpointer="interface"/>
 
90
        </listitem>
 
91
      </varlistentry>
 
92
      
 
93
      <varlistentry>
 
94
        <term><option>address<literal> = </literal><replaceable
 
95
          >ADDRESS</replaceable></option></term>
 
96
        <listitem>
 
97
          <xi:include href="mandos-options.xml" xpointer="address"/>
 
98
        </listitem>
 
99
      </varlistentry>
 
100
      
 
101
      <varlistentry>
 
102
        <term><option>port<literal> = </literal><replaceable
 
103
        >NUMBER</replaceable></option></term>
 
104
        <listitem>
 
105
          <xi:include href="mandos-options.xml" xpointer="port"/>
 
106
        </listitem>
 
107
      </varlistentry>
 
108
      
 
109
      <varlistentry>
 
110
        <term><option>debug<literal> = </literal>{ <literal
 
111
          >1</literal> | <literal>yes</literal> | <literal
 
112
          >true</literal> | <literal>on</literal> | <literal
 
113
          >0</literal> | <literal>no</literal> | <literal
 
114
          >false</literal> | <literal>off</literal> }</option></term>
 
115
        <listitem>
 
116
          <xi:include href="mandos-options.xml" xpointer="debug"/>
 
117
        </listitem>
 
118
      </varlistentry>
 
119
      
 
120
      <varlistentry>
 
121
        <term><option>priority<literal> = </literal><replaceable
 
122
        >STRING</replaceable></option></term>
 
123
        <listitem>
 
124
          <xi:include href="mandos-options.xml" xpointer="priority"/>
 
125
        </listitem>
 
126
      </varlistentry>
 
127
      
 
128
      <varlistentry>
 
129
        <term><option>servicename<literal> = </literal
 
130
        ><replaceable>NAME</replaceable></option></term>
 
131
        <listitem>
 
132
          <xi:include href="mandos-options.xml"
 
133
                      xpointer="servicename"/>
 
134
        </listitem>
 
135
      </varlistentry>
 
136
      
 
137
      <varlistentry>
 
138
        <term><option>use_dbus<literal> = </literal>{ <literal
 
139
          >1</literal> | <literal>yes</literal> | <literal
 
140
          >true</literal> | <literal>on</literal> | <literal
 
141
          >0</literal> | <literal>no</literal> | <literal
 
142
          >false</literal> | <literal>off</literal> }</option></term>
 
143
        <listitem>
 
144
          <xi:include href="mandos-options.xml" xpointer="dbus"/>
 
145
        </listitem>
 
146
      </varlistentry>
 
147
      
 
148
      <varlistentry>
 
149
        <term><option>use_ipv6<literal> = </literal>{ <literal
 
150
          >1</literal> | <literal>yes</literal> | <literal
 
151
          >true</literal> | <literal>on</literal> | <literal
 
152
          >0</literal> | <literal>no</literal> | <literal
 
153
          >false</literal> | <literal>off</literal> }</option></term>
 
154
        <listitem>
 
155
          <xi:include href="mandos-options.xml" xpointer="ipv6"/>
 
156
        </listitem>
 
157
      </varlistentry>
 
158
      
 
159
      <varlistentry>
 
160
        <term><option>restore<literal> = </literal>{ <literal
 
161
          >1</literal> | <literal>yes</literal> | <literal
 
162
          >true</literal> | <literal>on</literal> | <literal
 
163
          >0</literal> | <literal>no</literal> | <literal
 
164
          >false</literal> | <literal>off</literal> }</option></term>
 
165
        <listitem>
 
166
          <xi:include href="mandos-options.xml" xpointer="restore"/>
 
167
        </listitem>
 
168
      </varlistentry>
 
169
      
 
170
      <varlistentry>
 
171
        <term><option>statedir<literal> = </literal><replaceable
 
172
        >DIRECTORY</replaceable></option></term>
 
173
        <listitem>
 
174
          <xi:include href="mandos-options.xml" xpointer="statedir"/>
 
175
        </listitem>
 
176
      </varlistentry>
 
177
      
 
178
      <varlistentry>
 
179
        <term><option>socket<literal> = </literal><replaceable
 
180
        >NUMBER</replaceable></option></term>
 
181
        <listitem>
 
182
          <xi:include href="mandos-options.xml" xpointer="socket"/>
170
183
        </listitem>
171
184
      </varlistentry>
172
185
      
173
186
    </variablelist>
174
187
  </refsect1>
175
 
 
176
 
  <refsect1 id="examples">
177
 
    <title>EXAMPLES</title>
178
 
    <informalexample>
179
 
      <programlisting>
180
 
        [server]
181
 
        # A configuration example
182
 
        interface = eth0 
183
 
        address = 2001:DB8:
184
 
        port = 1025 
185
 
        debug = true 
186
 
        priority = SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP
187
 
        servicename = Mandos
188
 
      </programlisting>
189
 
    </informalexample>
190
 
  </refsect1>  
191
188
  
192
189
  <refsect1 id="files">
193
190
    <title>FILES</title>
195
192
      The file described here is &CONFPATH;
196
193
    </para>
197
194
  </refsect1>
 
195
  
 
196
  <refsect1 id="bugs">
 
197
    <title>BUGS</title>
 
198
    <para>
 
199
      The <literal>[DEFAULT]</literal> is necessary because the Python
 
200
      built-in module <systemitem class="library">ConfigParser</systemitem>
 
201
      requires it.
 
202
    </para>
 
203
  </refsect1>
 
204
  
 
205
  <refsect1 id="example">
 
206
    <title>EXAMPLE</title>
 
207
    <informalexample>
 
208
      <para>
 
209
        No options are actually required:
 
210
      </para>
 
211
      <programlisting>
 
212
[DEFAULT]
 
213
      </programlisting>
 
214
    </informalexample>
 
215
    <informalexample>
 
216
      <para>
 
217
        An example using all the options:
 
218
      </para>
 
219
      <programlisting>
 
220
[DEFAULT]
 
221
# A configuration example
 
222
interface = eth0
 
223
address = fe80::aede:48ff:fe71:f6f2
 
224
port = 1025
 
225
debug = True
 
226
priority = SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA
 
227
servicename = Daena
 
228
use_dbus = False
 
229
use_ipv6 = True
 
230
restore = True
 
231
statedir = /var/lib/mandos
 
232
      </programlisting>
 
233
    </informalexample>
 
234
  </refsect1>
 
235
  
 
236
  <refsect1 id="see_also">
 
237
    <title>SEE ALSO</title>
 
238
    <para>
 
239
      <citerefentry><refentrytitle>intro</refentrytitle>
 
240
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
241
      <citerefentry><refentrytitle>gnutls_priority_init</refentrytitle
 
242
      ><manvolnum>3</manvolnum></citerefentry>,
 
243
      <citerefentry><refentrytitle>mandos</refentrytitle>
 
244
      <manvolnum>8</manvolnum></citerefentry>,
 
245
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
246
      <manvolnum>5</manvolnum></citerefentry>
 
247
    </para>
 
248
    
 
249
    <variablelist>
 
250
      <varlistentry>
 
251
        <term>
 
252
          RFC 4291: <citetitle>IP Version 6 Addressing
 
253
          Architecture</citetitle>
 
254
        </term>
 
255
        <listitem>
 
256
          <variablelist>
 
257
            <varlistentry>
 
258
              <term>Section 2.2: <citetitle>Text Representation of
 
259
              Addresses</citetitle></term>
 
260
              <listitem><para/></listitem>
 
261
            </varlistentry>
 
262
            <varlistentry>
 
263
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
 
264
              Address</citetitle></term>
 
265
              <listitem><para/></listitem>
 
266
            </varlistentry>
 
267
            <varlistentry>
 
268
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
 
269
            Addresses</citetitle></term>
 
270
            <listitem>
 
271
              <para>
 
272
                The clients use IPv6 link-local addresses, which are
 
273
                immediately usable since a link-local addresses is
 
274
                automatically assigned to a network interface when it
 
275
                is brought up.
 
276
              </para>
 
277
            </listitem>
 
278
            </varlistentry>
 
279
          </variablelist>
 
280
        </listitem>
 
281
      </varlistentry>
 
282
      <varlistentry>
 
283
        <term>
 
284
          <ulink url="http://www.zeroconf.org/">Zeroconf</ulink>
 
285
        </term>
 
286
        <listitem>
 
287
          <para>
 
288
            Zeroconf is the network protocol standard used by clients
 
289
            for finding the Mandos server on the local network.
 
290
          </para>
 
291
        </listitem>
 
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      </varlistentry>
 
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    </variablelist>
 
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  </refsect1>
198
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</refentry>
 
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