1 /* 2 * bthost.c 3 * 4 * Copyright (c) 2003 Maksim Yevmenkin <m_evmenkin@yahoo.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $Id: bthost.c,v 1.5 2003/05/21 20:30:01 max Exp $ 29 * $FreeBSD$ 30 */ 31 32 #define L2CAP_SOCKET_CHECKED 33 #include <bluetooth.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <unistd.h> 37 38 static int hostmode (char const *arg, int brief); 39 static int protomode (char const *arg, int brief); 40 static void usage (void); 41 42 int 43 main(int argc, char **argv) 44 { 45 int opt, brief = 0, proto = 0; 46 47 while ((opt = getopt(argc, argv, "bhp")) != -1) { 48 switch (opt) { 49 case 'b': 50 brief = 1; 51 break; 52 53 case 'p': 54 proto = 1; 55 break; 56 57 case 'h': 58 default: 59 usage(); 60 /* NOT REACHED */ 61 } 62 } 63 64 argc -= optind; 65 argv += optind; 66 67 if (argc < 1) 68 usage(); 69 70 exit(proto? protomode(*argv, brief) : hostmode(*argv, brief)); 71 } 72 73 static int 74 hostmode(char const *arg, int brief) 75 { 76 struct hostent *he = NULL; 77 bdaddr_t ba; 78 char bastr[32]; 79 int reverse; 80 81 if (bt_aton(arg, &ba) == 1) { 82 reverse = 1; 83 he = bt_gethostbyaddr((char const *) &ba, sizeof(ba), 84 AF_BLUETOOTH); 85 } else { 86 reverse = 0; 87 he = bt_gethostbyname(arg); 88 } 89 90 if (he == NULL) { 91 herror(reverse? bt_ntoa(&ba, bastr) : arg); 92 return (1); 93 } 94 95 if (brief) 96 printf("%s", reverse? he->h_name : 97 bt_ntoa((bdaddr_t *)(he->h_addr), bastr)); 98 else 99 printf("Host %s has %s %s\n", 100 reverse? bt_ntoa(&ba, bastr) : arg, 101 reverse? "name" : "address", 102 reverse? he->h_name : 103 bt_ntoa((bdaddr_t *)(he->h_addr), bastr)); 104 105 return (0); 106 } 107 108 static int 109 protomode(char const *arg, int brief) 110 { 111 struct protoent *pe = NULL; 112 int proto; 113 114 if ((proto = atoi(arg)) != 0) 115 pe = bt_getprotobynumber(proto); 116 else 117 pe = bt_getprotobyname(arg); 118 119 if (pe == NULL) { 120 fprintf(stderr, "%s: Unknown Protocol/Service Multiplexor\n", arg); 121 return (1); 122 } 123 124 if (brief) { 125 if (proto) 126 printf("%s", pe->p_name); 127 else 128 printf("%d", pe->p_proto); 129 } else { 130 printf("Protocol/Service Multiplexor %s has number %d\n", 131 pe->p_name, pe->p_proto); 132 } 133 134 return (0); 135 } 136 137 static void 138 usage(void) 139 { 140 fprintf(stdout, "Usage: bthost [-b -h -p] host_or_protocol\n"); 141 exit(255); 142 } 143 144