Trying to remove /usr/local/share from system-bus .services search path

[email protected]
Newsgroups gmane.comp.freedesktop.dbus
Message-ID <[email protected]>
Dear All,
 I am attempting to remove /usr/local/share from the list of paths dbus-daemon will search for system bus .service files in, but without success.

According to dbus-1.6.12/doc/dbus-specification.html from the dbus source package,

  "On Unix systems, the system bus should default to searching for .service files in /usr/local/share/dbus-1/system-services, /usr/share/dbus-1/system-services and
   /lib/dbus-1/system-services, with that order of precedence. It may also search other implementation-specific locations, but should not vary these locations based on
   environment variables. ^[3]"


I tried the following edit, (unified diff follows),

> --- etc/dbus-1/system.conf.orig 2015-03-05 22:59:28.000000000 +0000
> +++ etc/dbus-1/system.conf      2015-12-18 19:22:48.000000000 +0000
> @@ -20,8 +20,10 @@
>    <!-- Fork into daemon mode -->
>    <fork/>
>  
> + 
>    <!-- We use system service launching using a helper -->
> -  <standard_system_servicedirs/>
> +  <!-- Expt. mod. T.Crane, Fri Dec 18 19:22:03 GMT 2015 -->
> +  <standard_system_servicedirs>/usr/share/<standard_system_servicedirs/>
>  
>    <!-- This is a setuid helper that is used to launch system services -->
>    <servicehelper>/lib64/dbus-1/dbus-daemon-launch-helper</servicehelper>

but that resulted in dbus-daemon failing to start with the following diagnostic (from journalctl)

> dbus-daemon[647]: Failed to start message bus: No text content expected inside XML element standard_system_servicedirs in configuration file

My motivation is to deal with this problem (diagnostic from journalctl), produced with the default configuration,

> dbus-daemon[663]: Cannot setup inotify for '/usr/local/share/dbus-1/system-services'; error 'Permission denied'

which occurs because /usr/local is the mountpoint for a remote mount on my systems -- something I don't want to have to change.

Please advise?

Many thanks
Tom Crane

System details:
OS:	 CentOS Linux release 7.1.1503 (Core) [CERN variant]
DBUS:	 dbus-1.6.12-11.el7.x86_64
SYSTEMD: systemd-208-20.el7_1.6.x86_64

-- 
Tom Crane, Dept. Physics, Royal Holloway, University of London, Egham Hill,
Egham, Surrey, TW20 0EX, England. 
Email:  T dot Crane at rhul dot ac dot uk
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