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/***
This file is part of systemd.
Copyright 2012 Kay Sievers <kay@vrfy.org>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "udev.h"
/* IEEE Organizationally Unique Identifier */
static int lookup_OUI(struct udev_device *dev, bool test) {
const char *addr;
unsigned int a1, a2, a3;
char oui[16];
addr = udev_device_get_sysattr_value(dev, "address");
if (!addr)
return -ENOENT;
if (sscanf(addr, "%x:%x:%x:", &a1, &a2, &a3) != 3)
return -EINVAL;
snprintf(oui, sizeof(oui), "OUI:%X%X%X", a1, a2, a3);
return udev_builtin_hwdb_lookup(dev, oui, test);
}
static int builtin_net_id(struct udev_device *dev, int argc, char *argv[], bool test) {
lookup_OUI(dev, test);
return EXIT_SUCCESS;
}
const struct udev_builtin udev_builtin_net_id = {
.name = "net_id",
.cmd = builtin_net_id,
.help = "network device properties",
};
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