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