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      1 /*	$NetBSD: irdaattach.c,v 1.9 2011/08/30 19:07:07 joerg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (lennart (at) augustsson.net).
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     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.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 /*
     32  * Inspired by slattach.c.
     33  */
     34 
     35 #include <sys/ioctl.h>
     36 #include <dev/ir/irdaio.h>
     37 
     38 #include <err.h>
     39 #include <fcntl.h>
     40 #include <paths.h>
     41 #include <signal.h>
     42 #include <stdio.h>
     43 #include <stdlib.h>
     44 #include <string.h>
     45 #include <termios.h>
     46 #include <unistd.h>
     47 #include <util.h>
     48 
     49 __dead static void	usage(void);
     50 
     51 int
     52 main(int argc, char **argv)
     53 {
     54 	int fd;
     55 	char *dev, devbuf[100];
     56 	const char *donglename = "none";
     57 	struct termios tty;
     58 	tcflag_t cflag = HUPCL;
     59 	int ch;
     60 	sigset_t nsigset;
     61 	int opt_detach = 1;
     62 	int pr_pid = 0;
     63 	int pr_frame = 0;
     64 	int frdev;
     65 	int dongle;
     66 
     67 	while ((ch = getopt(argc, argv, "d:fhHlmnp")) != -1) {
     68 		switch (ch) {
     69 		case 'd':
     70 			donglename = optarg;
     71 			break;
     72 		case 'f':
     73 			pr_frame = 1;
     74 			break;
     75 		case 'h':
     76 			cflag |= CRTSCTS;
     77 			break;
     78 		case 'H':
     79 			cflag |= CDTRCTS;
     80 			break;
     81 		case 'l':
     82 			cflag |= CLOCAL;
     83 			break;
     84 		case 'm':
     85 			cflag &= ~HUPCL;
     86 			break;
     87 		case 'n':
     88 			opt_detach = 0;
     89 			break;
     90 		case 'p':
     91 			pr_pid = 1;
     92 			break;
     93 		case '?':
     94 		default:
     95 			usage();
     96 		}
     97 	}
     98 	argc -= optind;
     99 	argv += optind;
    100 
    101 	if (argc != 1)
    102 		usage();
    103 
    104 	dev = *argv;
    105 	if (strncmp(_PATH_DEV, dev, sizeof(_PATH_DEV) - 1)) {
    106 		(void)snprintf(devbuf, sizeof(devbuf),
    107 		    "%s%s", _PATH_DEV, dev);
    108 		dev = devbuf;
    109 	}
    110 	if ((fd = open(dev, O_RDWR | O_NDELAY)) < 0)
    111 		err(1, "%s", dev);
    112 	tty.c_cflag = CREAD | CS8 | cflag;
    113 	tty.c_iflag = 0;
    114 	tty.c_lflag = 0;
    115 	tty.c_oflag = 0;
    116 	tty.c_cc[VMIN] = 1;
    117 	tty.c_cc[VTIME] = 0;
    118 	cfsetspeed(&tty, 9600);
    119 	if (tcsetattr(fd, TCSADRAIN, &tty) < 0)
    120 		err(1, "tcsetattr");
    121 	if (ioctl(fd, TIOCSDTR, 0) < 0)
    122 		err(1, "TIOCSDTR");
    123 	if (ioctl(fd, TIOCSLINED, "irframe") < 0)
    124 		err(1, "TIOCSLINED");
    125 	if (pr_frame) {
    126 		if (ioctl(fd, IRFRAMETTY_GET_DEVICE, &frdev) < 0)
    127 			err(1, "IRFRAMETTY_GET_DEVICE");
    128 		printf("%sirframe%d\n", _PATH_DEV, frdev);
    129 	}
    130 	if (strcmp(donglename, "none") == 0)
    131 		dongle = DONGLE_NONE;
    132 	else if (strcmp(donglename, "tekram") == 0)
    133 		dongle = DONGLE_TEKRAM;
    134 	else if (strcmp(donglename, "jeteye") == 0)
    135 		dongle = DONGLE_JETEYE;
    136 	else if (strcmp(donglename, "actisys") == 0)
    137 		dongle = DONGLE_ACTISYS;
    138 	else if (strcmp(donglename, "actisys+") == 0)
    139 		dongle = DONGLE_ACTISYS_PLUS;
    140 	else if (strcmp(donglename, "litelink") == 0)
    141 		dongle = DONGLE_LITELINK;
    142 	else if (strcmp(donglename, "girbil") == 0)
    143 		dongle = DONGLE_GIRBIL;
    144 	else
    145 		errx(1, "Unknown dongle");
    146 	if (ioctl(fd, IRFRAMETTY_SET_DONGLE, &dongle) < 0)
    147 		err(1, "IRFRAMETTY_SET_DONGLE");
    148 
    149 	fflush(stdout);
    150 	if (opt_detach && daemon(0, 0) != 0)
    151 		err(1, "couldn't detach");
    152 	if (pr_pid)
    153 		pidfile(NULL);
    154 	sigemptyset(&nsigset);
    155 	for (;;)
    156 		sigsuspend(&nsigset);
    157 }
    158 
    159 static void
    160 usage(void)
    161 {
    162 
    163 	fprintf(stderr, "usage: %s [-d donglename] [-fhHlmnp] ttyname\n",
    164 		getprogname());
    165 	exit(1);
    166 }
    167