int main(int argc, char **argv)
{
register char *s;
char name[30];
struct sigaction sa;
/* Don't let QUIT dump core. */
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = exit;
sigaction(SIGQUIT, &sa, NULL);
tty_name = ttyname(0);
if (tty_name == NULL) {
std_out("getty: tty name unknown\n");
pause();
return(1);
}
chown(tty_name, 0, 0); /* set owner of TTY to root */
chmod(tty_name, 0600); /* mode to max secure */
do_getty(name, sizeof(name), argv+1, tty_name); /* handle getty() */
name[29] = '\0'; /* make sure the name fits! */
do_login(name); /* and call login(1) if OK */
return(1); /* never executed */
}
int getty(char *tty, speed_t speed, char *term, char *user)
{
int fd;
char name[30];
/* Detach from initial controlling TTY */
vhangup();
fd = open(tty, O_RDWR);
if (fd < 0)
err(1, "Failed opening %s", tty);
dup2(fd, STDIN_FILENO);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
if (ioctl(STDIN_FILENO, TIOCSCTTY, 1) < 0)
warn("Failed TIOCSCTTY");
/* The getty process is responsible for the UTMP login record */
utmp_set_login(tty, NULL);
if (!user)
do_getty(tty, name, sizeof(name));
else
strlcpy(name, user, sizeof(name));
/* Set up TTY, re-enabling ISIG et al. */
stty(fd, speed);
close(fd);
if (term && term[0])
setenv("TERM", term, 1);
return do_login(name);
}
