NetBSD/usr.bin/btpin/btpin.c

157 lines
3.8 KiB
C

/* $NetBSD: btpin.c,v 1.4 2008/07/21 14:19:21 lukem Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
* All rights reserved.
*
* Written by Iain Hibbert for Itronix Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Itronix Inc. may not be used to endorse
* or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2006 Itronix, Inc. All rights reserved.");
__RCSID("$NetBSD: btpin.c,v 1.4 2008/07/21 14:19:21 lukem Exp $");
#include <sys/types.h>
#include <sys/un.h>
#include <bluetooth.h>
#include <err.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
int main(int, char *[]);
void usage(void);
int
main(int ac, char *av[])
{
bthcid_pin_response_t rp;
struct sockaddr_un un;
char *pin = NULL;
int ch, s, len;
memset(&rp, 0, sizeof(rp));
len = -1;
memset(&un, 0, sizeof(un));
un.sun_len = sizeof(un);
un.sun_family = AF_LOCAL;
strlcpy(un.sun_path, BTHCID_SOCKET_NAME, sizeof(un.sun_path));
while ((ch = getopt(ac, av, "a:d:l:p:rs:")) != EOF) {
switch (ch) {
case 'a':
if (!bt_aton(optarg, &rp.raddr)) {
struct hostent *he = NULL;
if ((he = bt_gethostbyname(optarg)) == NULL)
errx(EXIT_FAILURE, "%s: %s", optarg,
hstrerror(h_errno));
bdaddr_copy(&rp.raddr, (bdaddr_t *)he->h_addr);
}
break;
case 'd':
if (!bt_devaddr(optarg, &rp.laddr))
err(EXIT_FAILURE, "%s", optarg);
break;
case 'l':
len = atoi(optarg);
if (len < 1 || len > HCI_PIN_SIZE)
errx(EXIT_FAILURE, "Invalid PIN length");
break;
case 'p':
pin = optarg;
break;
case 'r':
if (len == -1)
len = 4;
break;
case 's':
strlcpy(un.sun_path, optarg, sizeof(un.sun_path));
break;
default:
usage();
}
}
if (bdaddr_any(&rp.raddr))
usage();
if (pin == NULL) {
if (len == -1)
usage();
srandom(time(NULL));
pin = (char *)rp.pin;
while (len-- > 0)
*pin++ = '0' + (random() % 10);
printf("PIN: %.*s\n", HCI_PIN_SIZE, rp.pin);
} else {
if (len != -1)
usage();
strncpy((char *)rp.pin, pin, HCI_PIN_SIZE);
}
s = socket(PF_LOCAL, SOCK_STREAM, 0);
if (s < 0)
err(EXIT_FAILURE, "socket");
if (connect(s, (struct sockaddr *)&un, sizeof(un)) < 0)
err(EXIT_FAILURE, "connect(\"%s\")", un.sun_path);
if (send(s, &rp, sizeof(rp), 0) != sizeof(rp))
err(EXIT_FAILURE, "send");
close(s);
exit(EXIT_SUCCESS);
}
void
usage(void)
{
fprintf(stderr,
"usage: %s [-d device] [-s socket] {-p pin | -r [-l len]} -a addr\n"
"", getprogname());
exit(EXIT_FAILURE);
}