1 /* $NetBSD: bluetooth.c,v 1.1 2006/06/19 15:44:36 gdamore Exp $ */
2 /* $DragonFly: src/lib/libbluetooth/bluetooth.c,v 1.1 2008/01/03 11:47:52 hasso Exp $ */
7 * Copyright (c) 2001-2003 Maksim Yevmenkin <m_evmenkin@yahoo.com>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * $Id: bluetooth.c,v 1.1 2006/06/19 15:44:36 gdamore Exp $
32 * $FreeBSD: src/lib/libbluetooth/bluetooth.c,v 1.2 2004/03/05 08:10:17 markm Exp $
35 #include <bluetooth.h>
40 #define _PATH_BT_HOSTS "/etc/bluetooth/hosts"
41 #define _PATH_BT_PROTOCOLS "/etc/bluetooth/protocols"
44 static FILE *hostf = NULL;
45 static int host_stayopen = 0;
46 static struct hostent host;
47 static bdaddr_t host_addr;
48 static char *host_addr_ptrs[2];
49 static char *host_aliases[MAXALIASES];
51 static FILE *protof = NULL;
52 static int proto_stayopen = 0;
53 static struct protoent proto;
54 static char *proto_aliases[MAXALIASES];
56 static char buf[BUFSIZ + 1];
58 static int bt_hex_byte (char const *str);
59 static int bt_hex_nibble (char nibble);
62 bt_gethostbyname(char const *name)
67 bt_sethostent(host_stayopen);
68 while ((p = bt_gethostent()) != NULL) {
69 if (strcasecmp(p->h_name, name) == 0)
71 for (cp = p->h_aliases; *cp != 0; cp++)
72 if (strcasecmp(*cp, name) == 0)
82 bt_gethostbyaddr(void const *addr, socklen_t len, int type)
86 if (type != AF_BLUETOOTH || len != sizeof(bdaddr_t)) {
87 h_errno = NO_RECOVERY;
91 bt_sethostent(host_stayopen);
92 while ((p = bt_gethostent()) != NULL)
93 if (p->h_addrtype == type && memcmp(p->h_addr, addr, len) == 0)
106 hostf = fopen(_PATH_BT_HOSTS, "r");
109 h_errno = NETDB_INTERNAL;
113 if ((p = fgets(buf, sizeof(buf), hostf)) == NULL) {
114 h_errno = HOST_NOT_FOUND;
119 if ((cp = strpbrk(p, "#\n")) == NULL)
122 if ((cp = strpbrk(p, " \t")) == NULL)
125 if (bt_aton(p, &host_addr) == 0)
127 host_addr_ptrs[0] = (char *) &host_addr;
128 host_addr_ptrs[1] = NULL;
129 host.h_addr_list = host_addr_ptrs;
130 host.h_length = sizeof(host_addr);
131 host.h_addrtype = AF_BLUETOOTH;
132 while (*cp == ' ' || *cp == '\t')
135 q = host.h_aliases = host_aliases;
136 if ((cp = strpbrk(cp, " \t")) != NULL)
138 while (cp != NULL && *cp != 0) {
139 if (*cp == ' ' || *cp == '\t') {
143 if (q < &host_aliases[MAXALIASES - 1])
145 if ((cp = strpbrk(cp, " \t")) != NULL)
149 h_errno = NETDB_SUCCESS;
155 bt_sethostent(int stayopen)
158 hostf = fopen(_PATH_BT_HOSTS, "r");
162 host_stayopen = stayopen;
168 if (hostf != NULL && host_stayopen == 0) {
169 (void) fclose(hostf);
175 bt_getprotobyname(char const *name)
180 bt_setprotoent(proto_stayopen);
181 while ((p = bt_getprotoent()) != NULL) {
182 if (strcmp(p->p_name, name) == 0)
184 for (cp = p->p_aliases; *cp != 0; cp++)
185 if (strcmp(*cp, name) == 0)
195 bt_getprotobynumber(int num)
199 bt_setprotoent(proto_stayopen);
200 while ((p = bt_getprotoent()) != NULL)
201 if (p->p_proto == num)
214 protof = fopen(_PATH_BT_PROTOCOLS, "r");
219 if ((p = fgets(buf, sizeof(buf), protof)) == NULL)
223 if ((cp = strpbrk(p, "#\n")) == NULL)
227 if ((cp = strpbrk(p, " \t")) == NULL)
230 while (*cp == ' ' || *cp == '\t')
232 if ((p = strpbrk(cp, " \t")) != NULL)
234 proto.p_proto = (int)strtol(cp, NULL, 0);
235 q = proto.p_aliases = proto_aliases;
238 while (cp != NULL && *cp != 0) {
239 if (*cp == ' ' || *cp == '\t') {
243 if (q < &proto_aliases[MAXALIASES - 1])
245 if ((cp = strpbrk(cp, " \t")) != NULL)
255 bt_setprotoent(int stayopen)
258 protof = fopen(_PATH_BT_PROTOCOLS, "r");
262 proto_stayopen = stayopen;
268 if (protof != NULL) {
269 (void) fclose(protof);
275 bt_ntoa(bdaddr_t const *ba, char *str)
277 static char buffer[24];
282 sprintf(str, "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
283 ba->b[5], ba->b[4], ba->b[3], ba->b[2], ba->b[1], ba->b[0]);
289 bt_aton(char const *str, bdaddr_t *ba)
294 memset(ba, 0, sizeof(*ba));
296 for (i = 5, end = strchr(str, ':');
297 i > 0 && *str != '\0' && end != NULL;
298 i --, str = end + 1, end = strchr(str, ':')) {
301 b = bt_hex_nibble(str[0]);
305 b = bt_hex_byte(str);
319 if (i != 0 || end != NULL || *str == 0)
322 switch (strlen(str)) {
324 b = bt_hex_nibble(str[0]);
328 b = bt_hex_byte(str);
345 bt_hex_byte(char const *str)
349 if ((n1 = bt_hex_nibble(str[0])) < 0)
352 if ((n2 = bt_hex_nibble(str[1])) < 0)
355 return ((((n1 & 0x0f) << 4) | (n2 & 0x0f)) & 0xff);
359 bt_hex_nibble(char nibble)
361 if ('0' <= nibble && nibble <= '9')
362 return (nibble - '0');
364 if ('a' <= nibble && nibble <= 'f')
365 return (nibble - 'a' + 0xa);
367 if ('A' <= nibble && nibble <= 'F')
368 return (nibble - 'A' + 0xa);