src/oui.c

/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
 *
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "lib/bluetooth.h"
#include "oui.h"

#ifdef HAVE_UDEV_HWDB_NEW
#include <libudev.h>

char *batocomp(const bdaddr_t *ba)
{
	struct udev *udev;
	struct udev_hwdb *hwdb;
	struct udev_list_entry *head, *entry;
	char modalias[11], *comp = NULL;

	sprintf(modalias, "OUI:%2.2X%2.2X%2.2X", ba->b[5], ba->b[4], ba->b[3]);

	udev = udev_new();
	if (!udev)
		return NULL;

	hwdb = udev_hwdb_new(udev);
	if (!hwdb)
		goto done;

	head = udev_hwdb_get_properties_list_entry(hwdb, modalias, 0);

	udev_list_entry_foreach(entry, head) {
		const char *name = udev_list_entry_get_name(entry);

		if (name && !strcmp(name, "ID_OUI_FROM_DATABASE")) {
			comp = strdup(udev_list_entry_get_value(entry));
			break;
		}
	}

	hwdb = udev_hwdb_unref(hwdb);

done:
	udev = udev_unref(udev);

	return comp;
}
#else
char *batocomp(const bdaddr_t *ba)
{
	return NULL;
}
#endif