6 * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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
30 * $Id: bthidd.c,v 1.8 2006/09/07 21:06:53 max Exp $
35 #include <sys/queue.h>
37 #include <bluetooth.h>
47 #include "bthid_config.h"
50 static int32_t write_pid_file (char const *file);
51 static int32_t remove_pid_file (char const *file);
52 static int32_t elapsed (int32_t tval);
53 static void sighandler (int32_t s);
54 static void usage (void);
60 static int32_t done = 0; /* are we done? */
63 main(int32_t argc, char *argv[])
65 struct bthid_server srv;
67 char const *pid_file = BTHIDD_PIDFILE;
69 int32_t opt, detach, tval;
71 memset(&srv, 0, sizeof(srv));
72 memset(&srv.bdaddr, 0, sizeof(srv.bdaddr));
76 while ((opt = getopt(argc, argv, "a:c:dH:hp:t:")) != -1) {
78 case 'a': /* BDADDR */
79 if (!bt_aton(optarg, &srv.bdaddr)) {
82 if ((he = bt_gethostbyname(optarg)) == NULL)
83 errx(1, "%s: %s", optarg, hstrerror(h_errno));
85 memcpy(&srv.bdaddr, he->h_addr, sizeof(srv.bdaddr));
89 case 'c': /* config file */
93 case 'd': /* do not detach */
97 case 'H': /* hids file */
101 case 'p': /* pid file */
105 case 't': /* rescan interval */
106 tval = strtol(optarg, (char **) &ep, 10);
107 if (*ep != '\0' || tval <= 0)
118 openlog(BTHIDD_IDENT, LOG_PID|LOG_PERROR|LOG_NDELAY, LOG_USER);
120 /* Become daemon if required */
121 if (detach && daemon(0, 0) < 0) {
122 syslog(LOG_CRIT, "Could not become daemon. %s (%d)",
123 strerror(errno), errno);
127 /* Install signal handler */
128 memset(&sa, 0, sizeof(sa));
129 sa.sa_handler = sighandler;
131 if (sigaction(SIGTERM, &sa, NULL) < 0 ||
132 sigaction(SIGHUP, &sa, NULL) < 0 ||
133 sigaction(SIGINT, &sa, NULL) < 0) {
134 syslog(LOG_CRIT, "Could not install signal handlers. %s (%d)",
135 strerror(errno), errno);
139 sa.sa_handler = SIG_IGN;
140 if (sigaction(SIGPIPE, &sa, NULL) < 0) {
141 syslog(LOG_CRIT, "Could not install signal handlers. %s (%d)",
142 strerror(errno), errno);
146 sa.sa_handler = SIG_IGN;
147 sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT;
148 if (sigaction(SIGCHLD, &sa, NULL) < 0) {
149 syslog(LOG_CRIT, "Could not install signal handlers. %s (%d)",
150 strerror(errno), errno);
154 if (read_config_file() < 0 || read_hids_file() < 0 ||
155 server_init(&srv) < 0 || write_pid_file(pid_file) < 0)
158 for (done = 0; !done; ) {
162 if (server_do(&srv) < 0)
166 server_shutdown(&srv);
167 remove_pid_file(pid_file);
179 write_pid_file(char const *file)
183 assert(file != NULL);
185 if ((pid = fopen(file, "w")) == NULL) {
186 syslog(LOG_ERR, "Could not open file %s. %s (%d)",
187 file, strerror(errno), errno);
191 fprintf(pid, "%d", getpid());
202 remove_pid_file(char const *file)
204 assert(file != NULL);
206 if (unlink(file) < 0) {
207 syslog(LOG_ERR, "Could not unlink file %s. %s (%d)",
208 file, strerror(errno), errno);
216 * Returns true if desired time interval has elapsed
220 elapsed(int32_t tval)
222 static struct timeval last = { 0, 0 };
225 gettimeofday(&now, NULL);
227 if (now.tv_sec - last.tv_sec >= tval) {
240 sighandler(int32_t s)
242 syslog(LOG_NOTICE, "Got signal %d, total number of signals %d",
247 * Display usage and exit
254 "Usage: %s [options]\n" \
255 "Where options are:\n" \
256 " -a address specify address to listen on (default ANY)\n" \
257 " -c file specify config file name\n" \
258 " -d run in foreground\n" \
259 " -H file specify known HIDs file name\n" \
260 " -h display this message\n" \
261 " -p file specify PID file name\n" \
262 " -t tval specify client rescan interval (sec)\n" \