1 /*- 2 * bthost.c 3 * 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 32 */ 33 34 #define L2CAP_SOCKET_CHECKED 35 #include <bluetooth.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <unistd.h> 39 40 static int hostmode (char const *arg, int brief); 41 static int protomode (char const *arg, int brief); 42 static void usage (void); 43 44 int 45 main(int argc, char **argv) 46 { 47 int opt, brief = 0, proto = 0; 48 49 while ((opt = getopt(argc, argv, "bhp")) != -1) { 50 switch (opt) { 51 case 'b': 52 brief = 1; 53 break; 54 55 case 'p': 56 proto = 1; 57 break; 58 59 case 'h': 60 default: 61 usage(); 62 /* NOT REACHED */ 63 } 64 } 65 66 argc -= optind; 67 argv += optind; 68 69 if (argc < 1) 70 usage(); 71 72 exit(proto? protomode(*argv, brief) : hostmode(*argv, brief)); 73 } 74 75 static int 76 hostmode(char const *arg, int brief) 77 { 78 struct hostent *he = NULL; 79 bdaddr_t ba; 80 char bastr[32]; 81 int reverse; 82 83 if (bt_aton(arg, &ba) == 1) { 84 reverse = 1; 85 he = bt_gethostbyaddr((char const *) &ba, sizeof(ba), 86 AF_BLUETOOTH); 87 } else { 88 reverse = 0; 89 he = bt_gethostbyname(arg); 90 } 91 92 if (he == NULL) { 93 herror(reverse? bt_ntoa(&ba, bastr) : arg); 94 return (1); 95 } 96 97 if (brief) 98 printf("%s", reverse? he->h_name : 99 bt_ntoa((bdaddr_t *)(he->h_addr), bastr)); 100 else 101 printf("Host %s has %s %s\n", 102 reverse? bt_ntoa(&ba, bastr) : arg, 103 reverse? "name" : "address", 104 reverse? he->h_name : 105 bt_ntoa((bdaddr_t *)(he->h_addr), bastr)); 106 107 return (0); 108 } 109 110 static int 111 protomode(char const *arg, int brief) 112 { 113 struct protoent *pe = NULL; 114 int proto; 115 116 if ((proto = atoi(arg)) != 0) 117 pe = bt_getprotobynumber(proto); 118 else 119 pe = bt_getprotobyname(arg); 120 121 if (pe == NULL) { 122 fprintf(stderr, "%s: Unknown Protocol/Service Multiplexor\n", arg); 123 return (1); 124 } 125 126 if (brief) { 127 if (proto) 128 printf("%s", pe->p_name); 129 else 130 printf("%d", pe->p_proto); 131 } else { 132 printf("Protocol/Service Multiplexor %s has number %d\n", 133 pe->p_name, pe->p_proto); 134 } 135 136 return (0); 137 } 138 139 static void 140 usage(void) 141 { 142 fprintf(stdout, "Usage: bthost [-b -h -p] host_or_protocol\n"); 143 exit(255); 144 } 145 146