s3-mdssvc: add new option 'spotlight'

Per share option: it reflects whether a share is indexed by Tracker or
not. The global switch that controls whether Spotlight is enabled or
not, are the mdsvc RPC switches.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

docs-xml/smbdotconf/misc/spotlight.xml

@@ -0,0 +1,45 @@
+<samba:parameter name="spotlight"
+		 context="S"
+		 type="boolean"
+		 xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
+<description>
+	<para>
+	  This parameter controls whether Samba allows Spotlight
+	  queries on a share. For controlling indexing of filesystems
+	  you also have to use Tracker's own configuration system.
+	</para>
+
+	<para>
+	  Spotlight has several prerequisites:
+	</para>
+
+	<itemizedlist>
+	  <listitem><para>
+	    Samba must be configured and built with Spotlight support.
+	  </para></listitem>
+
+	  <listitem><para>
+	    The <emphasis>mdssvc</emphasis> RPC service must be
+	    enabled, see below.
+	  </para></listitem>
+
+	  <listitem><para> Tracker intergration must be setup and the
+	  share must be indexed by Tracker.</para></listitem>
+	</itemizedlist>
+
+	<para>For a detailed set of instructions please see <ulink
+	url="https://wiki.samba.org/index.php/Spotlight">https://wiki.samba.org/index.php/Spotlight</ulink>.
+	</para>
+
+	<para>
+      To enable the Spotlight RPC service:
+	</para>
+
+<programlisting>
+<smbconfsection name="[Global]"/>
+<smbconfoption name="rpc_server:mdsvc">embedded</smbconfoption>
+</programlisting>
+
+</description>
+<value type="default">no</value>
+</samba:parameter>

lib/param/param_table.c

@@ -807,6 +807,14 @@ struct parm_struct parm_table[] = {
 		.special	= NULL,
 		.enum_list	= NULL,
 	},
+	{
+		.label		= "spotlight",
+		.type		= P_BOOL,
+		.p_class	= P_LOCAL,
+		.offset		= LOCAL_VAR(spotlight),
+		.special	= NULL,
+		.enum_list	= NULL,
+	},
 	{
 		.label		= "write ok",
 		.type		= P_BOOLREV,

source3/param/loadparm.c

@@ -185,6 +185,7 @@ static struct loadparm_service sDefault =
 	.access_based_share_enum = false,
 	.bAvailable = true,
 	.read_only = true,
+	.spotlight = false,
 	.guest_only = false,
 	.administrative_share = false,
 	.guest_ok = false,