Fix COMAR processing messages sent to other services in eavesdropping mode of DBUS

comar/include/config.h

@@ -64,6 +64,7 @@
 #endif
 
 extern char *config_server_address;
+extern char *config_unique_address;
 extern char *config_service_name;
 extern char *config_interface;
 extern char *config_dir_data;

comar/src/config.c

@@ -38,6 +38,9 @@
 //! D-Bus socket file
 char *config_server_address = DBUS_SERVER_ADDRESS;
 
+//! D-Bus unique address
+char *config_unique_address;
+
 //! D-Bus service name
 char *config_service_name = DBUS_SERVICE_NAME;
 

comar/src/loop.c

@@ -196,6 +196,10 @@ filter_func(DBusConnection *conn, DBusMessage *bus_msg, void *data)
 
     PyObject *py_args = pydbus_import(bus_msg);
 
+    if (!dbus_message_has_destination(bus_msg, config_unique_address)) {
+        return DBUS_HANDLER_RESULT_HANDLED;
+    }
+
     switch (dbus_message_get_type(bus_msg)) {
         case DBUS_MESSAGE_TYPE_METHOD_CALL:
             if (my_proc.nr_children > MAX_PROC) {
@@ -320,6 +324,7 @@ loop_exec()
         return -1;
     }
 
+    config_unique_address = dbus_bus_get_unique_name(bus_conn);
     log_debug("Connected to D-Bus, unique id is %s\n", dbus_bus_get_unique_name(bus_conn));
 
     // Request a name (example: com.server.test)