1 /*-
2 * bthost.c
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 *
6 * Copyright (c) 2003 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 * $Id: bthost.c,v 1.5 2003/05/21 20:30:01 max Exp $
31 */
32
33 #define L2CAP_SOCKET_CHECKED
34 #include <bluetooth.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <unistd.h>
38
39 static int hostmode (char const *arg, int brief);
40 static int protomode (char const *arg, int brief);
41 static void usage (void);
42
43 int
main(int argc,char ** argv)44 main(int argc, char **argv)
45 {
46 int opt, brief = 0, proto = 0;
47
48 while ((opt = getopt(argc, argv, "bhp")) != -1) {
49 switch (opt) {
50 case 'b':
51 brief = 1;
52 break;
53
54 case 'p':
55 proto = 1;
56 break;
57
58 case 'h':
59 default:
60 usage();
61 /* NOT REACHED */
62 }
63 }
64
65 argc -= optind;
66 argv += optind;
67
68 if (argc < 1)
69 usage();
70
71 exit(proto? protomode(*argv, brief) : hostmode(*argv, brief));
72 }
73
74 static int
hostmode(char const * arg,int brief)75 hostmode(char const *arg, int brief)
76 {
77 struct hostent *he = NULL;
78 bdaddr_t ba;
79 char bastr[32];
80 int reverse;
81
82 if (bt_aton(arg, &ba) == 1) {
83 reverse = 1;
84 he = bt_gethostbyaddr((char const *) &ba, sizeof(ba),
85 AF_BLUETOOTH);
86 } else {
87 reverse = 0;
88 he = bt_gethostbyname(arg);
89 }
90
91 if (he == NULL) {
92 herror(reverse? bt_ntoa(&ba, bastr) : arg);
93 return (1);
94 }
95
96 if (brief)
97 printf("%s", reverse? he->h_name :
98 bt_ntoa((bdaddr_t *)(he->h_addr), bastr));
99 else
100 printf("Host %s has %s %s\n",
101 reverse? bt_ntoa(&ba, bastr) : arg,
102 reverse? "name" : "address",
103 reverse? he->h_name :
104 bt_ntoa((bdaddr_t *)(he->h_addr), bastr));
105
106 return (0);
107 }
108
109 static int
protomode(char const * arg,int brief)110 protomode(char const *arg, int brief)
111 {
112 struct protoent *pe = NULL;
113 int proto;
114
115 if ((proto = atoi(arg)) != 0)
116 pe = bt_getprotobynumber(proto);
117 else
118 pe = bt_getprotobyname(arg);
119
120 if (pe == NULL) {
121 fprintf(stderr, "%s: Unknown Protocol/Service Multiplexor\n", arg);
122 return (1);
123 }
124
125 if (brief) {
126 if (proto)
127 printf("%s", pe->p_name);
128 else
129 printf("%d", pe->p_proto);
130 } else {
131 printf("Protocol/Service Multiplexor %s has number %d\n",
132 pe->p_name, pe->p_proto);
133 }
134
135 return (0);
136 }
137
138 static void
usage(void)139 usage(void)
140 {
141 fprintf(stdout, "Usage: bthost [-b -h -p] host_or_protocol\n");
142 exit(255);
143 }
144
145