libnm-glib: call D-Bus with a timeout when Set()ting properties

The caller needs to be authenticated, so wait a bit to be sure
it didn't quit too quickly.

libnm-glib/Makefile.am

@@ -132,7 +132,7 @@ libnm_glib_la_LIBADD = \
 	$(GUDEV_LIBS)
 
 libnm_glib_la_LDFLAGS = -Wl,--version-script=$(srcdir)/libnm-glib.ver \
-	-version-info "6:1:4"
+	-version-info "6:2:4"
 
 noinst_PROGRAMS = libnm-glib-test
 

libnm-glib/nm-object.c

@@ -527,12 +527,17 @@ _nm_object_set_property (NMObject *object,
 	g_return_if_fail (prop_name != NULL);
 	g_return_if_fail (G_IS_VALUE (value));
 
-	dbus_g_proxy_call_no_reply (NM_OBJECT_GET_PRIVATE (object)->properties_proxy,
-								"Set",
-								G_TYPE_STRING, interface,
-								G_TYPE_STRING, prop_name,
-								G_TYPE_VALUE, value,
-								G_TYPE_INVALID);
+	if (!dbus_g_proxy_call_with_timeout (NM_OBJECT_GET_PRIVATE (object)->properties_proxy,
+	                                     "Set", 2000, NULL,
+	                                     G_TYPE_STRING, interface,
+	                                     G_TYPE_STRING, prop_name,
+	                                     G_TYPE_VALUE, value,
+	                                     G_TYPE_INVALID)) {
+
+		/* Ignore errors. dbus_g_proxy_call_with_timeout() is called instead of
+		 * dbus_g_proxy_call_no_reply() to give NM chance to authenticate the caller.
+		 */
+	}
 }
 
 char *