style: compare return value of getopt() against -1 rather than EOF
[games.git] / usr.bin / btpin / btpin.c
CommitLineData
2b256169 1/* $NetBSD: btpin.c,v 1.3 2007/04/14 09:28:39 plunky Exp $ */
9b0ec895 2/* $DragonFly: src/usr.bin/btpin/btpin.c,v 1.2 2008/07/10 18:29:51 swildner Exp $ */
2b256169
HT
3
4/*-
5 * Copyright (c) 2006 Itronix Inc.
6 * All rights reserved.
7 *
8 * Written by Iain Hibbert for Itronix Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of Itronix Inc. may not be used to endorse
19 * or promote products derived from this software without specific
20 * prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
26 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29 * ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#include <sys/types.h>
36#include <sys/un.h>
37#include <bluetooth.h>
38#include <err.h>
39#include <stdlib.h>
40#include <string.h>
41#include <time.h>
42#include <unistd.h>
43
44int main(int, char *[]);
45void usage(void);
46
47int
48main(int ac, char *av[])
49{
50 bthcid_pin_response_t rp;
51 struct sockaddr_un un;
52 char *pin = NULL;
53 int ch, s, len;
54
55 memset(&rp, 0, sizeof(rp));
56 len = -1;
57
58 memset(&un, 0, sizeof(un));
59 un.sun_len = sizeof(un);
60 un.sun_family = AF_LOCAL;
61 strlcpy(un.sun_path, BTHCID_SOCKET_NAME, sizeof(un.sun_path));
62
9b0ec895 63 while ((ch = getopt(ac, av, "a:d:l:p:rs:")) != -1) {
2b256169
HT
64 switch (ch) {
65 case 'a':
66 if (!bt_aton(optarg, &rp.raddr)) {
67 struct hostent *he = NULL;
68
69 if ((he = bt_gethostbyname(optarg)) == NULL)
70 errx(EXIT_FAILURE, "%s: %s", optarg,
71 hstrerror(h_errno));
72
73 bdaddr_copy(&rp.raddr, (bdaddr_t *)he->h_addr);
74 }
75 break;
76
77 case 'd':
78 if (!bt_devaddr(optarg, &rp.laddr))
79 err(EXIT_FAILURE, "%s", optarg);
80
81 break;
82
83 case 'l':
84 len = atoi(optarg);
85 if (len < 1 || len > HCI_PIN_SIZE)
86 errx(EXIT_FAILURE, "Invalid PIN length");
87
88 break;
89
90 case 'p':
91 pin = optarg;
92 break;
93
94 case 'r':
95 if (len == -1)
96 len = 4;
97
98 break;
99
100 case 's':
101 strlcpy(un.sun_path, optarg, sizeof(un.sun_path));
102 break;
103
104 default:
105 usage();
106 }
107 }
108
109 if (bdaddr_any(&rp.raddr))
110 usage();
111
112 if (pin == NULL) {
113 if (len == -1)
114 usage();
115
116 srandom(time(NULL));
117
118 pin = (char *)rp.pin;
119 while (len-- > 0)
120 *pin++ = '0' + (random() % 10);
121
122 printf("PIN: %.*s\n", HCI_PIN_SIZE, rp.pin);
123 } else {
124 if (len != -1)
125 usage();
126
127 strncpy((char *)rp.pin, pin, HCI_PIN_SIZE);
128 }
129
130 s = socket(PF_LOCAL, SOCK_STREAM, 0);
131 if (s < 0)
132 err(EXIT_FAILURE, "socket");
133
134 if (connect(s, (struct sockaddr *)&un, sizeof(un)) < 0)
135 err(EXIT_FAILURE, "connect(\"%s\")", un.sun_path);
136
137 if (send(s, &rp, sizeof(rp), 0) != sizeof(rp))
138 err(EXIT_FAILURE, "send");
139
140 close(s);
141 exit(EXIT_SUCCESS);
142}
143
144void
145usage(void)
146{
147
148 fprintf(stderr,
149 "usage: %s [-d device] [-s socket] {-p pin | -r [-l len]} -a addr\n"
150 "", getprogname());
151
152 exit(EXIT_FAILURE);
153}