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  • Committer: Teddy Hogeborn
  • Date: 2015-08-10 09:00:23 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 325.
  • Revision ID: teddy@recompile.se-20150810090023-fz6vjqr7zf33e2tf
Support the standard org.freedesktop.DBus.ObjectManager interface.

Now that the D-Bus standard has an interface to keep track of new and
removed objects, use that instead of our own methods.  This deprecates
our D-Bus methods "GetAllClients" and "GetAllClientsWithProperties"
and the signals "ClientAdded" and "ClientRemoved", all on the server
interface "se.recompile.Mandos".

* DBUS-API: Removed references to deprecated methods and signals;
  insert reference to the org.freedesktop.DBus.ObjectManager
  interface.
* mandos (DBusObjectWithProperties._get_all_interface_names): New.
  (dbus.OBJECT_MANAGER_IFACE): If not present, monkey patch.
  (DBusObjectWithObjectManager): New.
  (main/MandosDBusService): Inherit from DBusObjectWithObjectManager.
  (main/MandosDBusService.ClientRemoved): Annotate as deprecated.
  (main/MandosDBusService.GetAllClients): - '' -
  (main/MandosDBusService.GetAllClientsWithProperties): Annotate as
                                                        deprecated.
                                                        Also only
                                                        return
                                                        properties on
                                                        client
                                                        interface.
  (main/MandosDBusService.RemoveClient): Call client_removed_signal
                                         instead of ClientRemoved.
  (main/MandosDBusService.GetManagedObjects): New.
  (main/MandosDBusService.client_added_signal): New.
  (main/MandosDBusService.client_removed_signal): - '' -
  (main/cleanup): Call "client_removed_signal" instead of sending
                  "ClientRemoved" signal directly.
  (main): Call "client_added_signal" instead of sending "ClientAdded"
          signal directly.
* mandos-ctl: Use GetManagedObjects instead of
              GetAllClientsWithProperties.  Also, show better error
              message in case of failure to connect to the D-Bus

* mandos-monitor (MandosClientPropertyCache.properties_changed):
  Bug fix; only update properties on client interface.
  (UserInterface.find_and_remove_client): Change to accept arguments
                                          from InterfacesRemoved
                                          signal.  Also, bug fix:
                                          working error message when
                                          removing unknown client.
  (UserInterface.add_new_client): Change to accept arguments from
                                  InterfacesRemoved signal.  Pass
                                  properties to MandosClientWidget
                                  constructor.
  (UserInterface.run): Connect find_and_remove_client method to
                       InterfacesRemoved signal and the add_new_client
                       method to the InterfacesAdded signal.

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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 "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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    <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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      <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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    <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