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/*
*
* 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 <stdlib.h>
#include <getopt.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>
#include "csr.h"
static int cmd_keylen(int dd, int argc, char *argv[])
{
uint8_t buf[8];
uint16_t handle, keylen;
int err;
if (argc < 1) {
errno = EINVAL;
return -1;
}
if (argc > 1) {
errno = E2BIG;
return -1;
}
handle = atoi(argv[0]);
memset(buf, 0, sizeof(buf));
buf[0] = handle & 0xff;
buf[1] = handle >> 8;
err = csr_read_varid_complex(dd, 0x4711,
CSR_VARID_CRYPT_KEY_LENGTH, buf, sizeof(buf));
if (err < 0) {
errno = -err;
return -1;
}
handle = buf[0] | (buf[1] << 8);
keylen = buf[2] | (buf[3] << 8);
printf("Crypt key length: %d bit\n", keylen * 8);
return 0;
}
static int cmd_clock(int dd, int argc, char *argv[])
{
uint32_t clock = 0;
int err;
err = csr_read_varid_uint32(dd, 0x4711, CSR_VARID_BT_CLOCK, &clock);
if (err < 0) {
errno = -err;
return -1;
}
printf("Bluetooth clock: 0x%04x (%d)\n", clock, clock);
return 0;
}
static struct {
char *str;
int (*func)(int dd, int argc, char **argv);
char *arg;
char *doc;
} commands[] = {
{ "keylen", cmd_keylen, "<handle>", "Get current crypt key length" },
{ "clock", cmd_clock, "", "Get local Bluetooth clock" },
{ NULL },
};
static void usage(void)
{
int i;
printf("bccmd - Utility for the CSR BCCMD interface\n\n");
printf("Usage:\n"
"\tbccmd [-i <dev>] <command>\n\n");
printf("Commands:\n");
for (i = 0; commands[i].str; i++)
printf("\t%s\t%-8s\t%s\n", commands[i].str,
commands[i].arg, commands[i].doc);
}
static struct option main_options[] = {
{ "help", 0, 0, 'h' },
{ "device", 1, 0, 'i' },
{ 0, 0, 0, 0 }
};
int main(int argc, char *argv[])
{
struct hci_dev_info di;
struct hci_version ver;
int i, err, dd, opt, dev = 0;
while ((opt=getopt_long(argc, argv, "+i:h", main_options, NULL)) != -1) {
switch (opt) {
case 'i':
dev = hci_devid(optarg);
if (dev < 0) {
perror("Invalid device");
exit(1);
}
break;
case 'h':
default:
usage();
exit(0);
}
}
argc -= optind;
argv += optind;
optind = 0;
if (argc < 1) {
usage();
exit(1);
}
dd = hci_open_dev(dev);
if (dd < 0) {
fprintf(stderr, "Can't open device hci%d: %s (%d)\n",
dev, strerror(errno), errno);
exit(1);
}
if (hci_devinfo(dev, &di) < 0) {
fprintf(stderr, "Can't get device info for hci%d: %s (%d)\n",
dev, strerror(errno), errno);
hci_close_dev(dd);
exit(1);
}
if (hci_read_local_version(dd, &ver, 1000) < 0) {
fprintf(stderr, "Can't read version info for hci%d: %s (%d)\n",
dev, strerror(errno), errno);
hci_close_dev(dd);
exit(1);
}
if (ver.manufacturer != 10) {
fprintf(stderr, "Unsupported manufacturer\n");
hci_close_dev(dd);
exit(1);
}
for (i = 0; commands[i].str; i++) {
if (strcasecmp(commands[i].str, argv[0]))
continue;
err = commands[i].func(dd, argc - 1, argv + 1);
hci_close_dev(dd);
if (err < 0) {
fprintf(stderr, "Can't execute command: %s (%d)\n",
strerror(errno), errno);
exit(1);
}
exit(0);
}
fprintf(stderr, "Unsupported command\n");
hci_close_dev(dd);
exit(1);
}
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