static DBusMessage * properties_get(DBusMessage *message,
const struct wpa_dbus_property_desc *dsc,
void *user_data)
{
DBusMessage *reply;
DBusMessageIter iter;
DBusError error;
if (os_strcmp(dbus_message_get_signature(message), "ss")) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
NULL);
}
if (dsc->getter == NULL) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Property is write-only");
}
reply = dbus_message_new_method_return(message);
dbus_message_iter_init_append(reply, &iter);
dbus_error_init(&error);
if (dsc->getter(&iter, &error, user_data) == FALSE) {
dbus_message_unref(reply);
reply = wpas_dbus_reply_new_from_error(
message, &error, DBUS_ERROR_FAILED,
"Failed to read property");
dbus_error_free(&error);
}
return reply;
}
/**
* get_all_properties - Responds for GetAll properties calls on object
* @message: Message with GetAll call
* @interface: interface name which properties will be returned
* @property_dsc: list of object's properties
* Returns: Message with dict of variants as argument with properties values
*
* Iterates over all properties registered with object and execute getters
* of those, which are readable and which interface matches interface
* specified as argument. Returned message contains one dict argument
* with properties names as keys and theirs values as values.
*/
static DBusMessage * get_all_properties(DBusMessage *message, char *interface,
struct wpa_dbus_object_desc *obj_dsc)
{
DBusMessage *reply;
DBusMessageIter iter, dict_iter;
DBusError error;
reply = dbus_message_new_method_return(message);
if (reply == NULL)
return wpas_dbus_error_no_memory(message);
dbus_message_iter_init_append(reply, &iter);
if (!wpa_dbus_dict_open_write(&iter, &dict_iter)) {
dbus_message_unref(reply);
return wpas_dbus_error_no_memory(message);
}
dbus_error_init(&error);
if (!fill_dict_with_properties(&dict_iter, obj_dsc->properties,
interface, obj_dsc->user_data, &error)) {
dbus_message_unref(reply);
reply = wpas_dbus_reply_new_from_error(
message, &error, DBUS_ERROR_INVALID_ARGS,
"No readable properties in this interface");
dbus_error_free(&error);
return reply;
}
if (!wpa_dbus_dict_close_write(&iter, &dict_iter)) {
dbus_message_unref(reply);
return wpas_dbus_error_no_memory(message);
}
return reply;
}
/**
* get_all_properties - Responds for GetAll properties calls on object
* @message: Message with GetAll call
* @interface: interface name which properties will be returned
* @property_dsc: list of object's properties
* Returns: Message with dict of variants as argument with properties values
*
* Iterates over all properties registered with object and execute getters
* of those, which are readable and which interface matches interface
* specified as argument. Returned message contains one dict argument
* with properties names as keys and theirs values as values.
*/
static DBusMessage * get_all_properties(DBusMessage *message, char *interface,
struct wpa_dbus_object_desc *obj_dsc)
{
DBusMessage *reply;
DBusMessageIter iter, dict_iter;
DBusError error;
reply = dbus_message_new_method_return(message);
if (reply == NULL) {
wpa_printf(MSG_ERROR, "%s: out of memory creating dbus reply",
__func__);
return NULL;
}
dbus_message_iter_init_append(reply, &iter);
if (!wpa_dbus_dict_open_write(&iter, &dict_iter)) {
wpa_printf(MSG_ERROR, "%s: out of memory creating reply",
__func__);
dbus_message_unref(reply);
reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
"out of memory");
return reply;
}
dbus_error_init(&error);
if (!fill_dict_with_properties(&dict_iter, obj_dsc->properties,
interface, obj_dsc->user_data, &error))
{
dbus_message_unref(reply);
reply = wpas_dbus_reply_new_from_error(message, &error,
DBUS_ERROR_INVALID_ARGS,
"No readable properties"
" in this interface");
dbus_error_free(&error);
return reply;
}
if (!wpa_dbus_dict_close_write(&iter, &dict_iter)) {
dbus_message_unref(reply);
return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
"out of memory");
}
return reply;
}
static DBusMessage * properties_set(DBusMessage *message,
const struct wpa_dbus_property_desc *dsc,
void *user_data)
{
DBusMessage *reply;
DBusMessageIter iter;
DBusError error;
if (os_strcmp(dbus_message_get_signature(message), "ssv")) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
NULL);
}
if (dsc->setter == NULL) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Property is read-only");
}
dbus_message_iter_init(message, &iter);
/* Skip the interface name and the property name */
dbus_message_iter_next(&iter);
dbus_message_iter_next(&iter);
/* Iter will now point to the property's new value */
dbus_error_init(&error);
if (dsc->setter(&iter, &error, user_data) == TRUE) {
/* Success */
reply = dbus_message_new_method_return(message);
} else {
reply = wpas_dbus_reply_new_from_error(
message, &error, DBUS_ERROR_FAILED,
"Failed to set property");
dbus_error_free(&error);
}
return reply;
}
