1 /*
2 * dev.c
3 */
4
5 /*-
6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
7 *
8 * Copyright (c) 2009 Maksim Yevmenkin <[email protected]>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD$
33 */
34
35 #define L2CAP_SOCKET_CHECKED
36 #include <bluetooth.h>
37 #include <stdio.h>
38 #include <string.h>
39
40 struct bt_devaddr_match_arg
41 {
42 char devname[HCI_DEVNAME_SIZE];
43 bdaddr_t const *bdaddr;
44 };
45
46 static bt_devenum_cb_t bt_devaddr_match;
47
48 int
bt_devaddr(char const * devname,bdaddr_t * addr)49 bt_devaddr(char const *devname, bdaddr_t *addr)
50 {
51 struct bt_devinfo di;
52
53 strlcpy(di.devname, devname, sizeof(di.devname));
54
55 if (bt_devinfo(&di) < 0)
56 return (0);
57
58 if (addr != NULL)
59 bdaddr_copy(addr, &di.bdaddr);
60
61 return (1);
62 }
63
64 int
bt_devname(char * devname,bdaddr_t const * addr)65 bt_devname(char *devname, bdaddr_t const *addr)
66 {
67 struct bt_devaddr_match_arg arg;
68
69 memset(&arg, 0, sizeof(arg));
70 arg.bdaddr = addr;
71
72 if (bt_devenum(&bt_devaddr_match, &arg) < 0)
73 return (0);
74
75 if (arg.devname[0] == '\0') {
76 errno = ENXIO;
77 return (0);
78 }
79
80 if (devname != NULL)
81 strlcpy(devname, arg.devname, HCI_DEVNAME_SIZE);
82
83 return (1);
84 }
85
86 static int
bt_devaddr_match(int s,struct bt_devinfo const * di,void * arg)87 bt_devaddr_match(int s, struct bt_devinfo const *di, void *arg)
88 {
89 struct bt_devaddr_match_arg *m = (struct bt_devaddr_match_arg *)arg;
90
91 if (!bdaddr_same(&di->bdaddr, m->bdaddr))
92 return (0);
93
94 strlcpy(m->devname, di->devname, sizeof(m->devname));
95
96 return (1);
97 }
98
99