4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
6 * Copyright (c) 2001-2002 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: hcseriald.c,v 1.3 2003/05/21 22:40:32 max Exp $
34 #include <sys/types.h>
35 #include <sys/ioctl.h>
37 #include <netgraph/ng_message.h>
39 #include <netgraph/bluetooth/include/ng_h4.h>
53 static int open_device (char const *, speed_t, char const *);
54 static void sighandler (int);
57 static char const * const hcseriald = "hcseriald";
61 main(int argc, char *argv[])
63 char *device = NULL, *name = NULL;
64 speed_t speed = 115200;
70 /* Process command line arguments */
71 while ((n = getopt(argc, argv, "df:n:s:h")) != -1) {
98 if (device == NULL || name == NULL)
101 openlog(hcseriald, LOG_PID | LOG_NDELAY, LOG_USER);
104 n = open_device(device, speed, name);
106 if (detach && daemon(0, 0) < 0) {
107 syslog(LOG_ERR, "Could not daemon(0, 0). %s (%d)",
108 strerror(errno), errno);
113 snprintf(p, sizeof(p), "/var/run/%s.%s.pid", hcseriald, name);
116 syslog(LOG_ERR, "Could not fopen(%s). %s (%d)",
117 p, strerror(errno), errno);
120 fprintf(f, "%d", getpid());
123 /* Install signal handler */
124 memset(&sa, 0, sizeof(sa));
125 sa.sa_handler = sighandler;
127 if (sigaction(SIGTERM, &sa, NULL) < 0) {
128 syslog(LOG_ERR, "Could not sigaction(SIGTERM). %s (%d)",
129 strerror(errno), errno);
133 if (sigaction(SIGHUP, &sa, NULL) < 0) {
134 syslog(LOG_ERR, "Could not sigaction(SIGHUP). %s (%d)",
135 strerror(errno), errno);
139 if (sigaction(SIGINT, &sa, NULL) < 0) {
140 syslog(LOG_ERR, "Could not sigaction(SIGINT). %s (%d)",
141 strerror(errno), errno);
147 select(0, NULL, NULL, NULL, NULL);
149 /* Remove PID file and close device */
157 /* Open terminal, set settings, push H4 line discipline and set node name */
159 open_device(char const *device, speed_t speed, char const *name)
161 int fd, disc, cs, ds;
167 /* Open terminal device and setup H4 line discipline */
168 fd = open(device, O_RDWR|O_NOCTTY);
170 syslog(LOG_ERR, "Could not open(%s). %s (%d)",
171 device, strerror(errno), errno);
175 tcflush(fd, TCIOFLUSH);
177 if (tcgetattr(fd, &t) < 0) {
178 syslog(LOG_ERR, "Could not tcgetattr(%s). %s (%d)",
179 device, strerror(errno), errno);
185 t.c_cflag |= CLOCAL; /* clocal */
186 t.c_cflag &= ~CSIZE; /* cs8 */
187 t.c_cflag |= CS8; /* cs8 */
188 t.c_cflag &= ~PARENB; /* -parenb */
189 t.c_cflag &= ~CSTOPB; /* -cstopb */
190 t.c_cflag |= CRTSCTS; /* crtscts */
192 if (tcsetattr(fd, TCSANOW, &t) < 0) {
193 syslog(LOG_ERR, "Could not tcsetattr(%s). %s (%d)",
194 device, strerror(errno), errno);
198 tcflush(fd, TCIOFLUSH);
200 if (cfsetspeed(&t, speed) < 0) {
201 syslog(LOG_ERR, "Could not cfsetspeed(%s). %s (%d)",
202 device, strerror(errno), errno);
206 if (tcsetattr(fd, TCSANOW, &t) < 0) {
207 syslog(LOG_ERR, "Could not tcsetattr(%s). %s (%d)",
208 device, strerror(errno), errno);
213 if (ioctl(fd, TIOCSETD, &disc) < 0) {
214 syslog(LOG_ERR, "Could not ioctl(%s, TIOCSETD, %d). %s (%d)",
215 device, disc, strerror(errno), errno);
219 /* Get default name of the Netgraph node */
220 memset(&ni, 0, sizeof(ni));
221 if (ioctl(fd, NGIOCGINFO, &ni) < 0) {
222 syslog(LOG_ERR, "Could not ioctl(%d, NGIOGINFO). %s (%d)",
223 fd, strerror(errno), errno);
227 /* Assign new name to the Netgraph node */
228 snprintf(p, sizeof(p), "%s:", ni.name);
229 snprintf(n.name, sizeof(n.name), "%s", name);
231 if (NgMkSockNode(NULL, &cs, &ds) < 0) {
232 syslog(LOG_ERR, "Could not NgMkSockNode(). %s (%d)",
233 strerror(errno), errno);
237 if (NgSendMsg(cs, p, NGM_GENERIC_COOKIE, NGM_NAME, &n, sizeof(n)) < 0) {
238 syslog(LOG_ERR, "Could not NgSendMsg(%d, %s, NGM_NAME, %s). " \
239 "%s (%d)", cs, p, n.name, strerror(errno), errno);
260 fprintf(stderr, "Usage: %s -f device -n node_name [-s speed -d -h]\n" \
262 "\t-f device tty device name, ex. /dev/cuau1\n" \
263 "\t-n node_name set Netgraph node name to node_name\n" \
264 "\t-s speed set tty speed, ex. 115200\n" \
265 "\t-d run in foreground\n" \
266 "\t-h display this message\n",