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  • Committer: Teddy Hogeborn
  • Date: 2018-08-15 09:26:02 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 368.
  • Revision ID: teddy@recompile.se-20180815092602-xoyb5s6gf8376i7u
http://bugs.debian.org/894495
mandos-client: Set system clock if necessary

* plugins.d/mandos-client.c (init_gpgme/import_key): If the system
  clock is not set, or set to january 1970, set the system clock to
  the more plausible value that is the mtime of the key file.  This is
  required by GnuPG to be able to import the keys.  (We can't pass the
  --ignore-time-conflict or the --ignore-valid-from options though
  GPGME.)

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plugins.d/mandos-client.xml
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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 COMMANDNAME "mandos-client">
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<!ENTITY TIMESTAMP "2014-03-05">
 
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<!ENTITY TIMESTAMP "2018-02-08">
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<!ENTITY % common SYSTEM "../common.ent">
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%common;
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]>
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    <copyright>
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      <year>2008</year>
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      <year>2009</year>
 
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      <year>2010</year>
 
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      <year>2011</year>
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      <year>2012</year>
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      <year>2013</year>
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      <year>2014</year>
 
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      <year>2015</year>
 
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      <year>2016</year>
 
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      <year>2017</year>
 
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      <year>2018</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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      </arg>
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      <sbr/>
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      <arg>
 
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        <option>--dh-params <replaceable>FILE</replaceable></option>
 
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      </arg>
 
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      <sbr/>
 
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      <arg>
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        <option>--delay <replaceable>SECONDS</replaceable></option>
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      </arg>
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      <sbr/>
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        <listitem>
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          <para>
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            Sets the number of bits to use for the prime number in the
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            TLS Diffie-Hellman key exchange.  Default is 1024.
 
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            TLS Diffie-Hellman key exchange.  The default value is
 
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            selected automatically based on the OpenPGP key.  Note
 
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            that if the <option>--dh-params</option> option is used,
 
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            the values from that file will be used instead.
 
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          </para>
 
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        </listitem>
 
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      </varlistentry>
 
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      <varlistentry>
 
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        <term><option>--dh-params=<replaceable
 
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        >FILE</replaceable></option></term>
 
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        <listitem>
 
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          <para>
 
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            Specifies a PEM-encoded PKCS#3 file to read the parameters
 
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            needed by the TLS Diffie-Hellman key exchange from.  If
 
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            this option is not given, or if the file for some reason
 
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            could not be used, the parameters will be generated on
 
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            startup, which will take some time and processing power.
 
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            Those using servers running under time, power or processor
 
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            constraints may want to generate such a file in advance
 
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            and use this option.
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          </para>
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        </listitem>
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      </varlistentry>
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  <refsect1 id="environment">
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    <title>ENVIRONMENT</title>
 
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    <variablelist>
 
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      <varlistentry>
 
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        <term><envar>MANDOSPLUGINHELPERDIR</envar></term>
 
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        <listitem>
 
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          <para>
 
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            This environment variable will be assumed to contain the
 
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            directory containing any helper executables.  The use and
 
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            nature of these helper executables, if any, is
 
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            purposefully not documented.
 
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        </para>
 
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        </listitem>
 
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      </varlistentry>
 
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    </variablelist>
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    <para>
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      This program does not use any environment variables, not even
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      the ones provided by <citerefentry><refentrytitle
 
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      This program does not use any other environment variables, not
 
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      even the ones provided by <citerefentry><refentrytitle
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      >cryptsetup</refentrytitle><manvolnum>8</manvolnum>
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    </citerefentry>.
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    </para>
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    </variablelist>
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  </refsect1>
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<!--   <refsect1 id="bugs"> -->
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<!--     <title>BUGS</title> -->
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<!--     <para> -->
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<!--     </para> -->
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<!--   </refsect1> -->
 
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  <refsect1 id="bugs">
 
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    <title>BUGS</title>
 
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    <xi:include href="../bugs.xml"/>
 
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  </refsect1>
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  <refsect1 id="example">
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    <title>EXAMPLE</title>
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    <para>
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      It will also help if the checker program on the server is
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      configured to request something from the client which can not be
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      spoofed by someone else on the network, unlike unencrypted
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      <acronym>ICMP</acronym> echo (<quote>ping</quote>) replies.
 
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      spoofed by someone else on the network, like SSH server key
 
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      fingerprints, and unlike unencrypted <acronym>ICMP</acronym>
 
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      echo (<quote>ping</quote>) replies.
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    </para>
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    <para>
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      <emphasis>Note</emphasis>: This makes it completely insecure to
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      </varlistentry>
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      <varlistentry>
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        <term>
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          <ulink url="http://www.gnu.org/software/gnutls/"
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          >GnuTLS</ulink>
 
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          <ulink url="https://www.gnutls.org/">GnuTLS</ulink>
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        </term>
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      <listitem>
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        <para>
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      </varlistentry>
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      <varlistentry>
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        <term>
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          <ulink url="http://www.gnupg.org/related_software/gpgme/"
 
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          <ulink url="https://www.gnupg.org/related_software/gpgme/"
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                 >GPGME</ulink>
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        </term>
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        <listitem>
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      </varlistentry>
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      <varlistentry>
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        <term>
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          RFC 4346: <citetitle>The Transport Layer Security (TLS)
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          Protocol Version 1.1</citetitle>
 
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          RFC 5246: <citetitle>The Transport Layer Security (TLS)
 
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          Protocol Version 1.2</citetitle>
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        </term>
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      <listitem>
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        <para>
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          TLS 1.1 is the protocol implemented by GnuTLS.
 
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          TLS 1.2 is the protocol implemented by GnuTLS.
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        </para>
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      </listitem>
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      </varlistentry>
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      </varlistentry>
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      <varlistentry>
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        <term>
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          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
 
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          RFC 6091: <citetitle>Using OpenPGP Keys for Transport Layer
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          Security</citetitle>
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        </term>
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      <listitem>