dbus: Add support to get/set the country code

Add an Interface.Country property and support to get/set the value.

Signed-off-by: Sam Leffler <sleffler@chromium.org>

wpa_supplicant/dbus/dbus_new.c

@@ -1396,6 +1396,11 @@ static const struct wpa_dbus_property_desc wpas_dbus_interface_properties[] = {
 	  (WPADBusPropertyAccessor) wpas_dbus_setter_bss_expire_count,
 	  RW
 	},
+	{ "Country", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
+	  (WPADBusPropertyAccessor) wpas_dbus_getter_country,
+	  (WPADBusPropertyAccessor) wpas_dbus_setter_country,
+	  RW
+	},
 	{ "Ifname", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
 	  (WPADBusPropertyAccessor) wpas_dbus_getter_ifname,
 	  NULL, R

wpa_supplicant/dbus/dbus_new_handlers.c

@@ -2243,6 +2243,64 @@ DBusMessage * wpas_dbus_setter_bss_expire_count(DBusMessage *message,
 }
 
 
+/**
+ * wpas_dbus_getter_country - Control country code
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: A message containong value of country variable
+ *
+ * Getter function for "Country" property.
+ */
+DBusMessage * wpas_dbus_getter_country(DBusMessage *message,
+				       struct wpa_supplicant *wpa_s)
+{
+	char country[3];
+	char *str = country;
+
+	country[0] = wpa_s->conf->country[0];
+	country[1] = wpa_s->conf->country[1];
+	country[2] = '\0';
+
+	return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
+						&str);
+}
+
+
+/**
+ * wpas_dbus_setter_country - Control country code
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: NULL
+ *
+ * Setter function for "Country" property.
+ */
+DBusMessage * wpas_dbus_setter_country(DBusMessage *message,
+				       struct wpa_supplicant *wpa_s)
+{
+	DBusMessage *reply = NULL;
+	const char *country;
+
+	reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_STRING,
+						 &country);
+	if (reply)
+		return reply;
+
+	if (!country[0] || !country[1])
+		return wpas_dbus_error_invalid_args(message,
+						    "invalid country code");
+
+	if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
+		wpa_printf(MSG_DEBUG, "Failed to set country");
+		return wpas_dbus_error_invalid_args(
+			message, "failed to set country code");
+	}
+
+	wpa_s->conf->country[0] = country[0];
+	wpa_s->conf->country[1] = country[1];
+	return NULL;
+}
+
+
 /**
  * wpas_dbus_getter_ifname - Get interface name
  * @message: Pointer to incoming dbus message

wpa_supplicant/dbus/dbus_new_handlers.h

@@ -128,6 +128,12 @@ DBusMessage * wpas_dbus_getter_bss_expire_count(DBusMessage *message,
 DBusMessage * wpas_dbus_setter_bss_expire_count(DBusMessage *message,
 						struct wpa_supplicant *wpa_s);
 
+DBusMessage * wpas_dbus_getter_country(DBusMessage *message,
+				       struct wpa_supplicant *wpa_s);
+
+DBusMessage * wpas_dbus_setter_country(DBusMessage *message,
+				       struct wpa_supplicant *wpa_s);
+
 DBusMessage * wpas_dbus_getter_ifname(DBusMessage *message,
 				      struct wpa_supplicant *wpa_s);