| /* |
| * |
| * 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 <fcntl.h> |
| #include <unistd.h> |
| #include <malloc.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/mman.h> |
| |
| #include "oui.h" |
| |
| /* http://standards.ieee.org/regauth/oui/oui.txt */ |
| |
| #define OUIFILE "/usr/share/misc/oui.txt" |
| |
| char *ouitocomp(const char *oui) |
| { |
| struct stat st; |
| char *str, *map, *off, *end; |
| int fd; |
| |
| |
| fd = open(OUIFILE, O_RDONLY); |
| if (fd < 0) |
| return NULL; |
| |
| if (fstat(fd, &st) < 0) { |
| close(fd); |
| return NULL; |
| } |
| |
| str = malloc(128); |
| if (!str) { |
| close(fd); |
| return NULL; |
| } |
| |
| memset(str, 0, 128); |
| |
| map = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0); |
| if (map == MAP_FAILED) { |
| free(str); |
| close(fd); |
| return NULL; |
| } |
| |
| off = strstr(map, oui); |
| if (off) { |
| off += 18; |
| end = strpbrk(off, "\r\n"); |
| strncpy(str, off, end - off); |
| } else { |
| free(str); |
| str = NULL; |
| } |
| |
| munmap(map, st.st_size); |
| |
| close(fd); |
| |
| 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; |
| } |