[daemon-fix] Session and system bus differentiate

[platform/upstream/dbus.git] / bus / system.conf.in

diff --git a/bus/system.conf.in b/bus/system.conf.in
index cab68d3..92f4cc4 100644 (file)
--- a/bus/system.conf.in
+++ b/bus/system.conf.in
@@ -7,7 +7,7 @@
      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"
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"
  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
 <busconfig>
 
@@ -15,32 +15,59 @@
   <type>system</type>
 
   <!-- Run as special user -->
-  <user>messagebus</user>
+  <user>@DBUS_USER@</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>@DBUS_LIBEXECDIR@/dbus-daemon-launch-helper</servicehelper>
+
   <!-- Write a pid file -->
   <pidfile>@DBUS_SYSTEM_PID_FILE@</pidfile>
 
+  <!-- Enable logging to syslog -->
+  <syslog/>
+
   <!-- Only allow socket-credentials-based authentication -->
   <auth>EXTERNAL</auth>
 
-  <!-- Only listen on a local socket -->
-  <listen>unix:path=@DBUS_SYSTEM_SOCKET@</listen>
+  <!-- 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>@DBUS_SYSTEM_BUS_DEFAULT_ADDRESS@</listen>
 
   <policy context="default">
-    <!-- Deny everything then punch holes -->
-    <deny send="*"/>
-    <deny receive="*"/>
-    <deny own="*"/>
-    <!-- But allow all users to connect -->
+    <!-- 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 -->
-    <!-- FIXME I think currently these allow rules are always implicit 
-         even if they aren't in here -->
-    <allow send_to="org.freedesktop.DBus"/>
-    <allow receive_from="org.freedesktop.DBus"/>
+    <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 
@@ -51,4 +78,6 @@
        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>
+
 </busconfig>