[Pkg-utopia-maintainers] Bug#914285: dbus: system bus logs repeated denials for session buses calling GetDynamicUsers() on systemd Manager lines

Francesco Potortì Potorti at isti.cnr.it
Wed Nov 21 16:24:41 GMT 2018


>... so perhaps you have a <deny> rule in /usr/share/dbus-1/system.d/*.conf
>or in /etc/dbus-1/system.d/*.conf, with higher precedence,
>that is interfering with those messages? If you search for
>org.freedesktop.systemd1 or GetDynamicUsers in those files, what do
>you get?

fgrep -i -l org.freedesktop.systemd1 /etc/dbus-1/system.d/*.conf  /usr/share/dbus-1/system.d/*.conf  /usr/share/dbus-1/system.conf
/etc/dbus-1/system.d/org.freedesktop.systemd-shim.conf
/usr/share/dbus-1/system.d/org.freedesktop.systemd1.conf
/usr/share/dbus-1/system.conf

~$ fgrep -i -l GetDynamicUsers /etc/dbus-1/system.d/*.conf  /usr/share/dbus-1/system.d/*.conf  /usr/share/dbus-1/system.conf
/usr/share/dbus-1/system.d/org.freedesktop.systemd1.conf

So, there are 3 concerned files, which I am appending below.  Thanks for
following up.  As far as I can tell, I have not modified any of them.


===File /etc/dbus-1/system.d/org.freedesktop.systemd-shim.conf===
<?xml version="1.0"?> <!--*-nxml-*-->
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
        "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">

<!--
  This file is part of systemd.

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.
-->

<busconfig>

        <policy user="root">
                <allow own="org.freedesktop.systemd1"/>

                <!-- Root clients can do everything -->
                <allow send_destination="org.freedesktop.systemd1"/>
                <allow receive_sender="org.freedesktop.systemd1"/>

                <!-- systemd may receive activator requests -->
                <allow receive_interface="org.freedesktop.systemd1.Activator"
                       receive_member="ActivationRequest"/>
        </policy>

        <policy context="default">
                <deny send_destination="org.freedesktop.systemd1"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Introspectable"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Peer"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Properties"
                       send_member="Get"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Properties"
                       send_member="GetAll"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitByPID"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="LoadUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetJob"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnits"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitFileState"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListJobs"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Subscribe"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Unsubscribe"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Dump"/>

                <allow receive_sender="org.freedesktop.systemd1"/>
        </policy>

</busconfig>
============================================================

===File /usr/share/dbus-1/system.d/org.freedesktop.systemd1.conf===
<?xml version="1.0"?> <!--*-nxml-*-->
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
        "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">

<!--
  SPDX-License-Identifier: LGPL-2.1+

  This file is part of systemd.

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.
-->

<busconfig>

        <policy user="root">
                <allow own="org.freedesktop.systemd1"/>

                <!-- Root clients can do everything -->
                <allow send_destination="org.freedesktop.systemd1"/>
                <allow receive_sender="org.freedesktop.systemd1"/>

                <!-- systemd may receive activator requests -->
                <allow receive_interface="org.freedesktop.systemd1.Activator"
                       receive_member="ActivationRequest"/>
        </policy>

        <policy context="default">
                <deny send_destination="org.freedesktop.systemd1"/>

                <!-- Completely open to anyone: org.freedesktop.DBus.* interfaces -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Introspectable"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Peer"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Properties"
                       send_member="Get"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.DBus.Properties"
                       send_member="GetAll"/>

                <!-- Completely open to anyone: org.freedesktop.systemd1.Manager interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitByPID"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitByInvocationID"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitByControlGroup"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="LoadUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitProcesses"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetJob"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetJobAfter"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetJobBefore"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnits"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnitsFiltered"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnitsByPatterns"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnitsByNames"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListJobs"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Subscribe"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Unsubscribe"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Dump"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="DumpByFileDescriptor"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ListUnitFilesByPatterns"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitFileState"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetDefaultTarget"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetUnitFileLinks"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="LookupDynamicUserByName"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="LookupDynamicUserByUID"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="GetDynamicUsers"/>

                <!-- Completely open to anyone: org.freedesktop.systemd1.Unit interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Service"
                       send_member="GetProcesses"/>

                <!-- Completely open to anyone: org.freedesktop.systemd1.Slice interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Slice"
                       send_member="GetProcesses"/>

                <!-- Completely open to anyone: org.freedesktop.systemd1.Scope interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Scope"
                       send_member="GetProcesses"/>

                <!-- Completely open to anyone: org.freedesktop.systemd1.Socket interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Socket"
                       send_member="GetProcesses"/>

                <!-- Completely open to anyone: org.freedesktop.systemd1.Mount interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Mount"
                       send_member="GetProcesses"/>

                <!-- Completely open to anyone: org.freedesktop.systemd1.Swap interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Swap"
                       send_member="GetProcesses"/>

                <!-- Managed via polkit or other criteria: org.freedesktop.systemd1.Manager interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="StartUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="StartUnitReplace"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="StopUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ReloadUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="RestartUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="TryRestartUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ReloadOrRestartUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ReloadOrTryRestartUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="KillUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ResetFailedUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="SetUnitProperties"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="RefUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="UnrefUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="StartTransientUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="AttachProcessesToUnit"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="CancelJob"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ClearJobs"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ResetFailed"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Reload"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="Reexecute"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="EnableUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="DisableUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="ReenableUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="LinkUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="PresetUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="PresetUnitFilesWithMode"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="MaskUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="UnmaskUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="RevertUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="SetDefaultTarget"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="PresetAllUnitFiles"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Manager"
                       send_member="AddDependencyUnitFiles"/>

                <!-- Managed via polkit or other criteria: org.freedesktop.systemd1.Job interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Job"
                       send_member="Cancel"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Job"
                       send_member="GetAfter"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Job"
                       send_member="GetBefore"/>

                <!-- Managed via polkit or other criteria: org.freedesktop.systemd1.Unit interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="Start"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="Stop"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="Reload"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="Restart"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="TryRestart"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="ReloadOrRestart"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="ReloadOrTryRestart"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="Kill"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="ResetFailed"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="SetProperties"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="Ref"/>

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Unit"
                       send_member="Unref"/>

                <!-- Managed via polkit or other criteria: org.freedesktop.systemd1.Service interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Service"
                       send_member="AttachProcesses"/>

                <!-- Managed via polkit or other criteria: org.freedesktop.systemd1.Scope interface -->

                <allow send_destination="org.freedesktop.systemd1"
                       send_interface="org.freedesktop.systemd1.Scope"
                       send_member="AttachProcesses"/>

                <allow receive_sender="org.freedesktop.systemd1"/>
        </policy>

</busconfig>
============================================================

===File /usr/share/dbus-1/system.conf=======================
<!-- This configuration file controls the systemwide message bus.
     Add a system-local.conf and edit that rather than changing this 
     file directly. -->

<!-- Note that there are any number of ways you can hose yourself
     security-wise by screwing up this file; in particular, you
     probably don't want to listen on any more addresses, add any more
     auth mechanisms, run as a different user, etc. -->

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>

  <!-- Our well-known bus type, do not change this -->
  <type>system</type>

  <!-- Run as special user -->
  <user>messagebus</user>

  <!-- Fork into daemon mode -->
  <fork/>

  <!-- We use system service launching using a helper -->
  <standard_system_servicedirs/>

  <!-- This is a setuid helper that is used to launch system services -->
  <servicehelper>/usr/lib/dbus-1.0/dbus-daemon-launch-helper</servicehelper>

  <!-- Write a pid file -->
  <pidfile>/run/dbus/pid</pidfile>

  <!-- Enable logging to syslog -->
  <syslog/>

  <!-- Only allow socket-credentials-based authentication -->
  <auth>EXTERNAL</auth>

  <!-- Only listen on a local socket. (abstract=/path/to/socket 
       means use abstract namespace, don't really create filesystem 
       file; only Linux supports this. Use path=/whatever on other 
       systems.) -->
  <listen>unix:path=/var/run/dbus/system_bus_socket</listen>

  <policy context="default">
    <!-- All users can connect to system bus -->
    <allow user="*"/>

    <!-- Holes must be punched in service configuration files for
         name ownership and sending method calls -->
    <deny own="*"/>
    <deny send_type="method_call"/>

    <!-- Signals and reply messages (method returns, errors) are allowed
         by default -->
    <allow send_type="signal"/>
    <allow send_requested_reply="true" send_type="method_return"/>
    <allow send_requested_reply="true" send_type="error"/>

    <!-- All messages may be received by default -->
    <allow receive_type="method_call"/>
    <allow receive_type="method_return"/>
    <allow receive_type="error"/>
    <allow receive_type="signal"/>

    <!-- Allow anyone to talk to the message bus -->
    <allow send_destination="org.freedesktop.DBus"
           send_interface="org.freedesktop.DBus" />
    <allow send_destination="org.freedesktop.DBus"
           send_interface="org.freedesktop.DBus.Introspectable"/>
    <allow send_destination="org.freedesktop.DBus"
           send_interface="org.freedesktop.DBus.Properties"/>
    <!-- But disallow some specific bus services -->
    <deny send_destination="org.freedesktop.DBus"
          send_interface="org.freedesktop.DBus"
          send_member="UpdateActivationEnvironment"/>
    <deny send_destination="org.freedesktop.DBus"
          send_interface="org.freedesktop.DBus.Debug.Stats"/>
    <deny send_destination="org.freedesktop.DBus"
          send_interface="org.freedesktop.systemd1.Activator"/>
  </policy>

  <!-- Only systemd, which runs as root, may report activation failures. -->
  <policy user="root">
    <allow send_destination="org.freedesktop.DBus"
           send_interface="org.freedesktop.systemd1.Activator"/>
  </policy>

  <!-- root may monitor the system bus. -->
  <policy user="root">
    <allow send_destination="org.freedesktop.DBus"
           send_interface="org.freedesktop.DBus.Monitoring"/>
  </policy>

  <!-- If the Stats interface was enabled at compile-time, root may use it.
       Copy this into system.local.conf or system.d/*.conf if you want to
       enable other privileged users to view statistics and debug info -->
  <policy user="root">
    <allow send_destination="org.freedesktop.DBus"
           send_interface="org.freedesktop.DBus.Debug.Stats"/>
  </policy>

  <!-- Include legacy configuration that was preserved in a Debian upgrade,
       if any -->
  <include ignore_missing="yes">/etc/dbus-1/system.conf.dpkg-bak</include>

  <!-- The defaults for these limits are hard-coded in dbus-daemon.
       Some clarifications:
       Times are in milliseconds (ms); 1000ms = 1 second
       133169152 bytes = 127 MiB
       33554432 bytes = 32 MiB
       150000ms = 2.5 minutes -->
  <!-- <limit name="max_incoming_bytes">133169152</limit> -->
  <!-- <limit name="max_incoming_unix_fds">64</limit> -->
  <!-- <limit name="max_outgoing_bytes">133169152</limit> -->
  <!-- <limit name="max_outgoing_unix_fds">64</limit> -->
  <!-- <limit name="max_message_size">33554432</limit> -->
  <!-- <limit name="max_message_unix_fds">16</limit> -->
  <!-- <limit name="service_start_timeout">25000</limit> -->
  <!-- <limit name="auth_timeout">5000</limit> -->
  <!-- <limit name="pending_fd_timeout">150000</limit> -->
  <!-- <limit name="max_completed_connections">2048</limit> -->
  <!-- <limit name="max_incomplete_connections">64</limit> -->
  <!-- <limit name="max_connections_per_user">256</limit> -->
  <!-- <limit name="max_pending_service_starts">512</limit> -->
  <!-- <limit name="max_names_per_connection">512</limit> -->
  <!-- <limit name="max_match_rules_per_connection">512</limit> -->
  <!-- <limit name="max_replies_per_connection">128</limit> -->

  <!-- Config files are placed here that among other things, punch 
       holes in the above policy for specific services. -->
  <includedir>system.d</includedir>

  <includedir>/etc/dbus-1/system.d</includedir>

  <!-- This is included last so local configuration can override what's 
       in this standard file -->
  <include ignore_missing="yes">/etc/dbus-1/system-local.conf</include>

  <include if_selinux_enabled="yes" selinux_root_relative="yes">contexts/dbus_contexts</include>

</busconfig>
============================================================



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