lib/libbluetooth/dev.c

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