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 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 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 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 139 usage(void) 140 { 141 fprintf(stdout, "Usage: bthost [-b -h -p] host_or_protocol\n"); 142 exit(255); 143 } 144 145