From b96133c91a2abcc6b0a6de80176623f0ee6f600e Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sun, 4 Jun 2006 12:09:30 +0000 Subject: Build a generic helper library --- common/Makefile.am | 11 ++---- common/oui.c | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++ common/oui.h | 25 ++++++++++++ 3 files changed, 138 insertions(+), 7 deletions(-) create mode 100644 common/oui.c create mode 100644 common/oui.h (limited to 'common') diff --git a/common/Makefile.am b/common/Makefile.am index d2233f94..4ab7af66 100644 --- a/common/Makefile.am +++ b/common/Makefile.am @@ -1,14 +1,11 @@ -noinst_LIBRARIES = libtextfile.a libglib-ectomy.a liblist.a +noinst_LIBRARIES = libhelper.a -liblist_a_SOURCES = list.h list.c - -libtextfile_a_SOURCES = textfile.h textfile.c - -libglib_ectomy_a_SOURCES = glib-ectomy.h glib-ectomy.c +libhelper_a_SOURCES = oui.h oui.c list.h list.c \ + textfile.h textfile.c glib-ectomy.h glib-ectomy.c noinst_PROGRAMS = test_textfile -test_textfile_LDADD = libtextfile.a +test_textfile_LDADD = libhelper.a MAINTAINERCLEANFILES = Makefile.in diff --git a/common/oui.c b/common/oui.c new file mode 100644 index 00000000..cc695a90 --- /dev/null +++ b/common/oui.c @@ -0,0 +1,109 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2004-2006 Marcel Holtmann + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "oui.h" + +/* http://standards.ieee.org/regauth/oui/oui.txt */ + +#define OUIFILE "/var/lib/misc/oui.txt" + +char *ouitocomp(const char *oui) +{ + struct stat st; + char *str, *map, *off, *end; + int fd; + + fd = open("oui.txt", O_RDONLY); + if (fd < 0) { + fd = open(OUIFILE, O_RDONLY); + if (fd < 0) { + fd = open("/usr/share/misc/oui.txt", 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 == 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; +} diff --git a/common/oui.h b/common/oui.h new file mode 100644 index 00000000..c166038f --- /dev/null +++ b/common/oui.h @@ -0,0 +1,25 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2004-2006 Marcel Holtmann + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +char *ouitocomp(const char *oui); +int oui2comp(const char *oui, char *comp, size_t size); -- cgit