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- <!-- 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>/lib/dbus-1.0/dbus-daemon-launch-helper</servicehelper>
-
- <!-- Write a pid file -->
- <pidfile>/var/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"/>
- <!-- But disallow some specific bus services -->
- <deny send_destination="org.freedesktop.DBus"
- send_interface="org.freedesktop.DBus"
- send_member="UpdateActivationEnvironment"/>
- </policy>
-
- <!-- Config files are placed here that among other things, punch
- holes in the above policy for specific services. -->
- <includedir>system.d</includedir>
-
- <!-- This is included last so local configuration can override what's
- in this standard file -->
- <include ignore_missing="yes">system-local.conf</include>
-
- <include if_selinux_enabled="yes" selinux_root_relative="yes">contexts/dbus_contexts</include>
-
- <!-- increase default match rules limit from 512 to 5000 because the
- aptdaemon needs relatively many per package in the queue -->
- <limit name="max_match_rules_per_connection">5000</limit>
- </busconfig>
-