bluez/tools/oui.c
2005-03-27 19:19:52 +00:00

101 lines
2.2 KiB
C

/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2005 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 version 2 as
* published by the Free Software Foundation;
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
* CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
* COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
* SOFTWARE IS DISCLAIMED.
*
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <malloc.h>
#include <string.h>
#include <sys/stat.h>
#include "oui.h"
/* http://standards.ieee.org/regauth/oui/oui.txt */
#define OUIFILE "/usr/share/misc/oui.txt"
#define AWKCMD "/usr/bin/awk"
#define TRCMD "/usr/bin/tr"
char *ouitocomp(const char *oui)
{
struct stat st;
FILE *input;
char cmd[512];
char *str;
size_t len;
if (stat(OUIFILE, &st) < 0)
return NULL;
if (stat(AWKCMD, &st) < 0)
return NULL;
if (stat(TRCMD, &st) < 0)
return NULL;
str = malloc(128);
if (!str)
return NULL;
memset(str, 0, 128);
snprintf(cmd, sizeof(cmd) - 1, "%s -F'\\t' '/^"
"%s.*\\(hex\\).*/{ print $3 }' %s"
" | %s -d '\\n\\r'", AWKCMD, oui, OUIFILE, TRCMD);
input = popen(cmd, "r");
if (!input) {
free(str);
return NULL;
}
len = fread(str, 127, 1, input);
pclose(input);
return str;
}
int oui2comp(const char *oui, char *comp, size_t size)
{
char *tmp;
tmp = ouitocomp(oui);
if (!tmp)
return -1;
snprintf(comp, size, "%s", tmp);
free(tmp);
return 0;
}