134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/* $NetBSD: config.c,v 1.1 2006/06/19 15:44:56 gdamore Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Itronix Inc. may not be used to endorse
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* or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: config.c,v 1.1 2006/06/19 15:44:56 gdamore Exp $");
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#include <sys/time.h>
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#include <bluetooth.h>
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#include <errno.h>
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#include <event.h>
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#include <fcntl.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include "bthcid.h"
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static bt_cfgentry_t *cfg = NULL;
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uint8_t *
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lookup_key(bdaddr_t *laddr, bdaddr_t *raddr)
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{
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bt_handle_t handle;
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if (cfg != NULL) {
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bt_freeconfig(cfg);
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cfg = NULL;
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}
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handle = bt_openconfig(key_file);
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if (handle == NULL)
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return NULL;
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cfg = bt_getconfig(handle, raddr);
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bt_closeconfig(handle);
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if (cfg == NULL) {
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handle = bt_openconfig(config_file);
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if (handle == NULL)
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return NULL;
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cfg = bt_getconfig(handle, raddr);
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bt_closeconfig(handle);
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}
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if (cfg != NULL)
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return cfg->key;
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return NULL;
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}
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uint8_t *
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lookup_pin(bdaddr_t *laddr, bdaddr_t *raddr)
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{
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bt_handle_t handle;
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if (cfg != NULL) {
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bt_freeconfig(cfg);
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cfg = NULL;
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}
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handle = bt_openconfig(config_file);
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if (handle != NULL) {
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cfg = bt_getconfig(handle, raddr);
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bt_closeconfig(handle);
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if (cfg != NULL && cfg->pin != NULL)
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return cfg->pin;
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}
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return lookup_item(laddr, raddr);
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}
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void
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save_key(bdaddr_t *laddr, bdaddr_t *raddr, uint8_t *key)
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{
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static const char hex[] = "0123456789abcdef";
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char buffer[100], keybuf[HCI_KEY_SIZE * 2 + 1];
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int fd, n, i;
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fd = open(key_file, O_WRONLY|O_APPEND|O_CREAT|O_EXLOCK, 0600);
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if (fd < 0) {
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syslog(LOG_ERR, "Cannot open keyfile %s. %s (%d)",
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key_file, strerror(errno), errno);
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return;
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}
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for (n = i = 0 ; i < HCI_KEY_SIZE ; i++) {
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keybuf[n++] = hex[(key[i] >> 4) & 0xf];
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keybuf[n++] = hex[key[i] & 0xf];
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}
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keybuf[n] = '\0';
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n = snprintf(buffer, sizeof(buffer),
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"\ndevice {\n"
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"\tbdaddr %s;\n"
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"\tkey 0x%s;\n"
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"}\n",
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bt_ntoa(raddr, NULL),
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keybuf);
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write(fd, buffer, (size_t)n);
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close(fd);
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}
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