s3-mdssvc: add Spotlight RPC stubs

'mdssvc' aka 'Metadata Search Service' is an RPC service used by Apple
for passing marshalled Spotlight search queries and results between
client to server.

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

source3/rpc_server/mdssvc/mdssvc.c

@@ -0,0 +1,31 @@
+/*
+   Unix SMB/CIFS implementation.
+   Main metadata server / Spotlight routines
+
+   Copyright (C) Ralph Boehme 2012-2014
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "mdssvc.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_SRV
+
+int mds_dispatch(void)
+{
+	DEBUG(10, ("mds_dispatch\n"));
+	return 0;
+}

source3/rpc_server/mdssvc/mdssvc.h

@@ -0,0 +1,21 @@
+/*
+   Unix SMB/CIFS implementation.
+   Main metadata server / Spotlight routines
+
+   Copyright (C) Ralph Boehme			2012-2014
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+int mds_dispatch(void);

source3/rpc_server/mdssvc/srv_mdssvc_nt.c

@@ -0,0 +1,57 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  RPC Pipe client / server routines for mdssvc
+ *  Copyright (C) Ralph Boehme 2014
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+#include "mdssvc.h"
+#include "ntdomain.h"
+#include "../librpc/gen_ndr/srv_mdssvc.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_SRV
+
+void _mdssvc_open(struct pipes_struct *p, struct mdssvc_open *r)
+{
+	DEBUG(10, ("%s\n", __func__));
+	p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
+	return;
+}
+
+void _mdssvc_unknown1(struct pipes_struct *p, struct mdssvc_unknown1 *r)
+{
+	DEBUG(10, ("%s\n", __func__));
+	p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
+	return;
+}
+
+void _mdssvc_cmd(struct pipes_struct *p, struct mdssvc_cmd *r)
+{
+	DEBUG(10, ("%s\n", __func__));
+	p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
+
+	mds_dispatch();
+
+	return;
+}
+
+void _mdssvc_close(struct pipes_struct *p, struct mdssvc_close *r)
+{
+	DEBUG(10, ("%s\n", __func__));
+	p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
+	return;
+}

source3/rpc_server/rpc_config.c

@@ -31,6 +31,7 @@ struct rpc_service_defaults {
 	const char *def_mode;
 } rpc_service_defaults[] = {
 	{ "epmapper", "disabled" },
+	{ "mdssvc", "disabled" },
 	/* { "spoolss", "embedded" }, */
 	/* { "lsarpc", "embedded" }, */
 	/* { "samr", "embedded" }, */

source3/rpc_server/rpc_service_setup.c

@@ -38,6 +38,7 @@
 #include "../librpc/gen_ndr/srv_spoolss.h"
 #include "../librpc/gen_ndr/srv_svcctl.h"
 #include "../librpc/gen_ndr/srv_wkssvc.h"
+#include "../librpc/gen_ndr/srv_mdssvc.h"
 
 #include "printing/nt_printing_migrate_internal.h"
 #include "rpc_server/eventlog/srv_eventlog_reg.h"
@@ -443,6 +444,27 @@ static bool rpc_setup_initshutdown(struct tevent_context *ev_ctx,
 	return rpc_setup_embedded(ev_ctx, msg_ctx, t, NULL);
 }
 
+#ifdef WITH_SPOTLIGHT
+static bool rpc_setup_mdssvc(struct tevent_context *ev_ctx,
+			     struct messaging_context *msg_ctx)
+{
+	const struct ndr_interface_table *t = &ndr_table_mdssvc;
+	const char *pipe_name = "mdssvc";
+	NTSTATUS status;
+	enum rpc_service_mode_e service_mode = rpc_service_mode(t->name);
+	if (service_mode != RPC_SERVICE_MODE_EMBEDDED) {
+		return true;
+	}
+
+	status = rpc_mdssvc_init(NULL);
+	if (!NT_STATUS_IS_OK(status)) {
+		return false;
+	}
+
+	return rpc_setup_embedded(ev_ctx, msg_ctx, t, pipe_name);
+}
+#endif
+
 bool dcesrv_ep_setup(struct tevent_context *ev_ctx,
 		     struct messaging_context *msg_ctx)
 {
@@ -526,6 +548,13 @@ bool dcesrv_ep_setup(struct tevent_context *ev_ctx,
 		goto done;
 	}
 
+#ifdef WITH_SPOTLIGHT
+	ok = rpc_setup_mdssvc(ev_ctx, msg_ctx);
+	if (!ok) {
+		goto done;
+	}
+#endif
+
 done:
 	talloc_free(tmp_ctx);
 	return ok;

source3/rpc_server/wscript_build

@@ -128,6 +128,13 @@ bld.SAMBA3_SUBSYSTEM('RPC_WKSSVC',
                     ../../librpc/gen_ndr/srv_wkssvc.c''',
                     deps='LIBNET')
 
+bld.SAMBA3_SUBSYSTEM('RPC_MDSSVC',
+                    source='''mdssvc/mdssvc.c
+                    mdssvc/srv_mdssvc_nt.c
+                    ../../librpc/gen_ndr/srv_mdssvc.c''',
+                    deps='samba-util ' + bld.env['libtracker'],
+                    enabled=bld.env.with_spotlight)
+
 # RPC_SERVICE
 bld.SAMBA3_SUBSYSTEM('RPC_SERVER_REGISTER',
                     source='rpc_ep_register.c ../librpc/rpc/dcerpc_ep.c',
@@ -155,6 +162,7 @@ bld.SAMBA3_SUBSYSTEM('RPC_SERVICE',
                     RPC_SERVER
                     RPC_EPMAPPER
 		    RPC_FSS_AGENT
+                    RPC_MDSSVC
                     ''')
 
 # RPC_DAEMONS