Ejemplo n.º 1
0
int main(int argc, char **argv)
{
	int tty_fd;
	struct termios ts;
	int speed = 0, bits = '-', parity = '-', stop = '-';
	int set_iflag = 0, clr_iflag = 0;
	int ldisc;
	int optc;
	char *dev;
	int intropause = 1;
	char *introparm = NULL;

	static const struct option opttbl[] = {
		{"speed", required_argument, NULL, 's'},
		{"sevenbits", no_argument, NULL, '7'},
		{"eightbits", no_argument, NULL, '8'},
		{"noparity", no_argument, NULL, 'n'},
		{"evenparity", no_argument, NULL, 'e'},
		{"oddparity", no_argument, NULL, 'o'},
		{"onestopbit", no_argument, NULL, '1'},
		{"twostopbits", no_argument, NULL, '2'},
		{"iflag", required_argument, NULL, 'i'},
		{"help", no_argument, NULL, 'h'},
		{"version", no_argument, NULL, 'V'},
		{"debug", no_argument, NULL, 'd'},
	        {"intro-command", no_argument, NULL, 'c'},
	        {"pause", no_argument, NULL, 'p'},
		{NULL, 0, NULL, 0}
	};

	signal(SIGKILL, handler);
	signal(SIGINT, handler);

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	/* parse options */
	if (argc == 0)
		errx(EXIT_FAILURE, _("bad usage"));

	while ((optc =
		getopt_long(argc, argv, "dhV78neo12s:i:c:p:", opttbl,
			    NULL)) >= 0) {
		switch (optc) {
		case 'd':
			debug = 1;
			break;
		case '1':
		case '2':
			stop = optc;
			break;
		case '7':
		case '8':
			bits = optc;
			break;
		case 'n':
		case 'e':
		case 'o':
			parity = optc;
			break;
		case 's':
			speed = strtos32_or_err(optarg, _("invalid speed argument"));
			break;
		case 'p':
			intropause = strtou32_or_err(optarg, _("invalid pause argument"));
			if (intropause > 10)
				errx(EXIT_FAILURE, "invalid pause: %s", optarg);
			break;
		case 'c':
			introparm = optarg;
			break;
		case 'i':
			parse_iflag(optarg, &set_iflag, &clr_iflag);
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		case 'h':
			usage();
		default:
			errtryhelp(EXIT_FAILURE);
		}
	}

	if (argc - optind != 2) {
		warnx(_("not enough arguments"));
		errtryhelp(EXIT_FAILURE);
	}
	/* parse line discipline specification */
	ldisc = lookup_table(ld_discs, argv[optind]);
	if (ldisc < 0)
		ldisc = strtos32_or_err(argv[optind], _("invalid line discipline argument"));

	/* ldisc specific option settings */
	if (ldisc == N_GIGASET_M101) {
		/* device specific defaults for line speed and data format */
		if (speed == 0)
			speed = 115200;
		if (bits == '-')
			bits = '8';
		if (parity == '-')
			parity = 'n';
		if (stop == '-')
			stop = '1';
	}

	/* open device */
	dev = argv[optind + 1];
	if ((tty_fd = open(dev, O_RDWR | O_NOCTTY)) < 0)
		err(EXIT_FAILURE, _("cannot open %s"), dev);
	if (!isatty(tty_fd))
		errx(EXIT_FAILURE, _("%s is not a serial line"), dev);

	dbg("opened %s", dev);

	/* set line speed and format */
	if (tcgetattr(tty_fd, &ts) < 0)
		err(EXIT_FAILURE,
		    _("cannot get terminal attributes for %s"), dev);
	cfmakeraw(&ts);
	if (speed && my_cfsetspeed(&ts, speed) < 0)
		errx(EXIT_FAILURE, _("speed %d unsupported"), speed);

	switch (stop) {
	case '1':
		ts.c_cflag &= ~CSTOPB;
		break;
	case '2':
		ts.c_cflag |= CSTOPB;
		break;
	case '-':
		break;
	default:
		abort();
	}
	switch (bits) {
	case '7':
		ts.c_cflag = (ts.c_cflag & ~CSIZE) | CS7;
		break;
	case '8':
		ts.c_cflag = (ts.c_cflag & ~CSIZE) | CS8;
		break;
	case '-':
		break;
	default:
		abort();
	}
	switch (parity) {
	case 'n':
		ts.c_cflag &= ~(PARENB | PARODD);
		break;
	case 'e':
		ts.c_cflag |= PARENB;
		ts.c_cflag &= ~PARODD;
		break;
	case 'o':
		ts.c_cflag |= (PARENB | PARODD);
		break;
	case '-':
		break;
	default:
		abort();
	}

	ts.c_cflag |= CREAD;	/* just to be on the safe side */
	ts.c_iflag |= set_iflag;
	ts.c_iflag &= ~clr_iflag;

	if (tcsetattr(tty_fd, TCSAFLUSH, &ts) < 0)
		err(EXIT_FAILURE,
		    _("cannot set terminal attributes for %s"), dev);

	dbg("set to raw %d %c%c%c: cflag=0x%x",
	    speed, bits, parity, stop, ts.c_cflag);

	if (introparm && *introparm)
	{
		dbg("intro command is '%s'", introparm);
		if (write_all(tty_fd, introparm, strlen(introparm)) != 0)
			err(EXIT_FAILURE,
			    _("cannot write intro command to %s"), dev);

		if (intropause) {
			dbg("waiting for %d seconds", intropause);
			sleep(intropause);
		}
	}

	/* Attach the line discipline. */
	if (ioctl(tty_fd, TIOCSETD, &ldisc) < 0)
		err(EXIT_FAILURE, _("cannot set line discipline"));

	dbg("line discipline set to %d", ldisc);

	/* ldisc specific post-attach actions */
	if (ldisc == N_GSM0710)
		gsm0710_set_conf(tty_fd);

	/* Go into background if not in debug mode. */
	if (!debug && daemon(0, 0) < 0)
		err(EXIT_FAILURE, _("cannot daemonize"));

	/* Sleep to keep the line discipline active. */
	pause();

	exit(EXIT_SUCCESS);
}
Ejemplo n.º 2
0
int main(int argc, char **argv)
{
	int tty_fd;
	struct termios ts;
	int speed = 0, bits = '-', parity = '-', stop = '-';
	int set_iflag = 0, clr_iflag = 0;
	int ldisc;
	int optc;
	char *dev;
	static const struct option opttbl[] = {
		{"speed", required_argument, NULL, 's'},
		{"sevenbits", no_argument, NULL, '7'},
		{"eightbits", no_argument, NULL, '8'},
		{"noparity", no_argument, NULL, 'n'},
		{"evenparity", no_argument, NULL, 'e'},
		{"oddparity", no_argument, NULL, 'o'},
		{"onestopbit", no_argument, NULL, '1'},
		{"twostopbits", no_argument, NULL, '2'},
		{"iflag", required_argument, NULL, 'i'},
		{"help", no_argument, NULL, 'h'},
		{"version", no_argument, NULL, 'V'},
		{"debug", no_argument, NULL, 'd'},
		{NULL, 0, NULL, 0}
	};

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
	atexit(close_stdout);

	/* parse options */
	progname = program_invocation_short_name;

	if (argc == 0)
		usage(EXIT_SUCCESS);
	while ((optc =
		getopt_long(argc, argv, "dhV78neo12s:i:", opttbl,
			    NULL)) >= 0) {
		switch (optc) {
		case 'd':
			debug = 1;
			break;
		case '1':
		case '2':
			stop = optc;
			break;
		case '7':
		case '8':
			bits = optc;
			break;
		case 'n':
		case 'e':
		case 'o':
			parity = optc;
			break;
		case 's':
			speed = strtos32_or_err(optarg, _("invalid speed argument"));
			break;
		case 'i':
			parse_iflag(optarg, &set_iflag, &clr_iflag);
			break;
		case 'V':
			printf(UTIL_LINUX_VERSION);
			return EXIT_SUCCESS;
		case 'h':
			usage(EXIT_SUCCESS);
		default:
			warnx(_("invalid option"));
			usage(EXIT_FAILURE);
		}
	}

	if (argc - optind != 2)
		usage(EXIT_FAILURE);

	/* parse line discipline specification */
	ldisc = lookup_table(ld_discs, argv[optind]);
	if (ldisc < 0)
		ldisc = strtos32_or_err(argv[optind], _("invalid line discipline argument"));

	/* open device */
	dev = argv[optind + 1];
	if ((tty_fd = open(dev, O_RDWR | O_NOCTTY)) < 0)
		err(EXIT_FAILURE, _("cannot open %s"), dev);
	if (!isatty(tty_fd))
		errx(EXIT_FAILURE, _("%s is not a serial line"), dev);

	dbg("opened %s", dev);

	/* set line speed and format */
	if (tcgetattr(tty_fd, &ts) < 0)
		err(EXIT_FAILURE,
		    _("cannot get terminal attributes for %s"), dev);
	cfmakeraw(&ts);
	if (speed && my_cfsetspeed(&ts, speed) < 0)
		errx(EXIT_FAILURE, _("speed %d unsupported"), speed);

	switch (stop) {
	case '1':
		ts.c_cflag &= ~CSTOPB;
		break;
	case '2':
		ts.c_cflag |= CSTOPB;
		break;
	case '-':
		break;
	default:
		abort();
	}
	switch (bits) {
	case '7':
		ts.c_cflag = (ts.c_cflag & ~CSIZE) | CS7;
		break;
	case '8':
		ts.c_cflag = (ts.c_cflag & ~CSIZE) | CS8;
		break;
	case '-':
		break;
	default:
		abort();
	}
	switch (parity) {
	case 'n':
		ts.c_cflag &= ~(PARENB | PARODD);
		break;
	case 'e':
		ts.c_cflag |= PARENB;
		ts.c_cflag &= ~PARODD;
		break;
	case 'o':
		ts.c_cflag |= (PARENB | PARODD);
		break;
	case '-':
		break;
	default:
		abort();
	}

	ts.c_cflag |= CREAD;	/* just to be on the safe side */
	ts.c_iflag |= set_iflag;
	ts.c_iflag &= ~clr_iflag;

	if (tcsetattr(tty_fd, TCSAFLUSH, &ts) < 0)
		err(EXIT_FAILURE,
		    _("cannot set terminal attributes for %s"), dev);

	dbg("set to raw %d %c%c%c: cflag=0x%x",
	    speed, bits, parity, stop, ts.c_cflag);

	/* Attach the line discpline. */
	if (ioctl(tty_fd, TIOCSETD, &ldisc) < 0)
		err(EXIT_FAILURE, _("cannot set line discipline"));

	dbg("line discipline set to %d", ldisc);

	/* Go into background if not in debug mode. */
	if (!debug && daemon(0, 0) < 0)
		err(EXIT_FAILURE, _("cannot daemonize"));

	/* Sleep to keep the line discipline active. */
	pause();

	exit(EXIT_SUCCESS);
}