158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
/* $NetBSD: btpin.c,v 1.3 2007/04/14 09:28:39 plunky 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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* Written by Iain Hibbert for Itronix Inc.
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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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__COPYRIGHT("@(#) Copyright (c) 2006 Itronix, Inc\n"
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"All rights reserved.\n");
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__RCSID("$NetBSD: btpin.c,v 1.3 2007/04/14 09:28:39 plunky Exp $");
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#include <sys/types.h>
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#include <sys/un.h>
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#include <bluetooth.h>
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#include <err.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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int main(int, char *[]);
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void usage(void);
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int
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main(int ac, char *av[])
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{
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bthcid_pin_response_t rp;
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struct sockaddr_un un;
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char *pin = NULL;
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int ch, s, len;
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memset(&rp, 0, sizeof(rp));
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len = -1;
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memset(&un, 0, sizeof(un));
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un.sun_len = sizeof(un);
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un.sun_family = AF_LOCAL;
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strlcpy(un.sun_path, BTHCID_SOCKET_NAME, sizeof(un.sun_path));
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while ((ch = getopt(ac, av, "a:d:l:p:rs:")) != EOF) {
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switch (ch) {
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case 'a':
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if (!bt_aton(optarg, &rp.raddr)) {
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struct hostent *he = NULL;
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if ((he = bt_gethostbyname(optarg)) == NULL)
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errx(EXIT_FAILURE, "%s: %s", optarg,
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hstrerror(h_errno));
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bdaddr_copy(&rp.raddr, (bdaddr_t *)he->h_addr);
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}
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break;
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case 'd':
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if (!bt_devaddr(optarg, &rp.laddr))
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err(EXIT_FAILURE, "%s", optarg);
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break;
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case 'l':
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len = atoi(optarg);
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if (len < 1 || len > HCI_PIN_SIZE)
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errx(EXIT_FAILURE, "Invalid PIN length");
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break;
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case 'p':
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pin = optarg;
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break;
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case 'r':
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if (len == -1)
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len = 4;
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break;
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case 's':
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strlcpy(un.sun_path, optarg, sizeof(un.sun_path));
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break;
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default:
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usage();
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}
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}
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if (bdaddr_any(&rp.raddr))
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usage();
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if (pin == NULL) {
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if (len == -1)
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usage();
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srandom(time(NULL));
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pin = (char *)rp.pin;
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while (len-- > 0)
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*pin++ = '0' + (random() % 10);
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printf("PIN: %.*s\n", HCI_PIN_SIZE, rp.pin);
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} else {
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if (len != -1)
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usage();
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strncpy((char *)rp.pin, pin, HCI_PIN_SIZE);
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}
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s = socket(PF_LOCAL, SOCK_STREAM, 0);
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if (s < 0)
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err(EXIT_FAILURE, "socket");
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if (connect(s, (struct sockaddr *)&un, sizeof(un)) < 0)
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err(EXIT_FAILURE, "connect(\"%s\")", un.sun_path);
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if (send(s, &rp, sizeof(rp), 0) != sizeof(rp))
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err(EXIT_FAILURE, "send");
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close(s);
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exit(EXIT_SUCCESS);
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}
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void
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usage(void)
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{
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fprintf(stderr,
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"usage: %s [-d device] [-s socket] {-p pin | -r [-l len]} -a addr\n"
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"", getprogname());
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exit(EXIT_FAILURE);
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}
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