D-Bus: Add AutoScan interface method to set/unset autoscan parameters

Signed-hostap: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>

doc/dbus.doxygen

@@ -316,6 +316,22 @@ fi.w1.wpa_supplicant1.CreateInterface.
 	  <dd>A blob with the specified name doesn't exist.</dd>
 	</dl>
       </li>
+      <li>
+	<h3>AutoScan ( s : arg ) --> nothing</h3>
+	<p>Set autoscan parameters for the interface.</p>
+	<h4>Arguments</h4>
+	<dl>
+	  <dt>s : arg</dt>
+	  <dd>Autoscan parameter line or empty to unset autoscan.</dd>
+	</dl>
+	<h4>Possible errors</h4>
+	<dl>
+	  <dt>fi.w1.wpa_supplicant1.NoMemory</dt>
+	  <dd>Needed memory was not possible to get allocated.</dd>
+	  <dt>fi.w1.wpa_supplicant1.InvalidArgs</dt>
+	  <dd>Invalid entries were found in the passed argument.</dd>
+	</dl>
+       </li>
     </ul>
 
 \subsection dbus_interface_properties Properties

wpa_supplicant/dbus/dbus_new.c

@@ -1920,6 +1920,15 @@ static const struct wpa_dbus_method_desc wpas_dbus_global_methods[] = {
 		  END_ARGS
 	  }
 	},
+#ifdef CONFIG_AUTOSCAN
+	{ "AutoScan", WPAS_DBUS_NEW_IFACE_INTERFACE,
+	  (WPADBusMethodHandler) &wpas_dbus_handler_autoscan,
+	  {
+		  { "arg", "s", ARG_IN },
+		  END_ARGS
+	  }
+	},
+#endif /* CONFIG_AUTOSCAN */
 	{ NULL, NULL, NULL, { END_ARGS } }
 };
 

wpa_supplicant/dbus/dbus_new_handlers.c

@@ -1811,6 +1811,52 @@ DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
 }
 
 
+#ifdef CONFIG_AUTOSCAN
+/**
+ * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: NULL
+ *
+ * Handler function for "AutoScan" method call of network interface.
+ */
+DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
+					 struct wpa_supplicant *wpa_s)
+{
+	DBusMessage *reply = NULL;
+	enum wpa_states state = wpa_s->wpa_state;
+	char *arg;
+
+	dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
+			      DBUS_TYPE_INVALID);
+
+	if (arg != NULL && os_strlen(arg) > 0) {
+		char *tmp;
+		tmp = os_strdup(arg);
+		if (tmp == NULL) {
+			reply = dbus_message_new_error(message,
+						       DBUS_ERROR_NO_MEMORY,
+						       NULL);
+		} else {
+			os_free(wpa_s->conf->autoscan);
+			wpa_s->conf->autoscan = tmp;
+			if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
+				autoscan_init(wpa_s);
+		}
+	} else if (arg != NULL && os_strlen(arg) == 0) {
+		os_free(wpa_s->conf->autoscan);
+		wpa_s->conf->autoscan = NULL;
+		autoscan_deinit(wpa_s);
+	} else
+		reply = dbus_message_new_error(message,
+					       DBUS_ERROR_INVALID_ARGS,
+					       NULL);
+
+	return reply;
+}
+#endif /* CONFIG_AUTOSCAN */
+
+
 /**
  * wpas_dbus_getter_capabilities - Return interface capabilities
  * @iter: Pointer to incoming dbus message iter

wpa_supplicant/dbus/dbus_new_handlers.h

@@ -124,6 +124,9 @@ DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
 					  struct wpa_supplicant *wpa_s);
 
+DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
+					 struct wpa_supplicant *wpa_s);
+
 dbus_bool_t wpas_dbus_getter_capabilities(DBusMessageIter *iter,
 					  DBusError *error, void *user_data);