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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2011-2014 Intel Corporation
* Copyright (C) 2002-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include "hwdb.h"
#ifdef HAVE_UDEV_HWDB_NEW
#include <libudev.h>
bool hwdb_get_vendor_model(const char *modalias, char **vendor, char **model)
{
struct udev *udev;
struct udev_hwdb *hwdb;
struct udev_list_entry *head, *entry;
bool result;
udev = udev_new();
if (!udev)
return false;
hwdb = udev_hwdb_new(udev);
if (!hwdb) {
result = false;
goto done;
}
*vendor = NULL;
*model = NULL;
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)
continue;
if (!*vendor && !strcmp(name, "ID_VENDOR_FROM_DATABASE"))
*vendor = strdup(udev_list_entry_get_value(entry));
else if (!*model && !strcmp(name, "ID_MODEL_FROM_DATABASE"))
*model = strdup(udev_list_entry_get_value(entry));
}
hwdb = udev_hwdb_unref(hwdb);
result = true;
done:
udev = udev_unref(udev);
return result;
}
bool hwdb_get_company(const uint8_t *bdaddr, char **company)
{
struct udev *udev;
struct udev_hwdb *hwdb;
struct udev_list_entry *head, *entry;
char modalias[11];
bool result;
if (!bdaddr[2] && !bdaddr[1] && !bdaddr[0])
return false;
sprintf(modalias, "OUI:%2.2X%2.2X%2.2X",
bdaddr[5], bdaddr[4], bdaddr[3]);
udev = udev_new();
if (!udev)
return false;
hwdb = udev_hwdb_new(udev);
if (!hwdb) {
result = false;
goto done;
}
*company = NULL;
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")) {
*company = strdup(udev_list_entry_get_value(entry));
break;
}
}
hwdb = udev_hwdb_unref(hwdb);
result = true;
done:
udev = udev_unref(udev);
return result;
}
#else
bool hwdb_get_vendor_model(const char *modalias, char **vendor, char **model)
{
return false;
}
bool hwdb_get_company(const uint8_t *bdaddr, char **company)
{
return false;
}
#endif
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