xref: /freebsd/lib/libbluetooth/dev.c (revision 0957b409)
1 /*
2  * dev.c
3  */
4 
5 /*-
6  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
7  *
8  * Copyright (c) 2009 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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
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
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
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