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);
}
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);
}