static void
setttymode(int raw)
{
int off = 0;
(void)tcflush(STDIN_FILENO, TCIOFLUSH); /* clear out the crap */
ioctl(STDIN_FILENO, FIONBIO, &off); /* turn off non-blocking mode */
ioctl(STDIN_FILENO, FIOASYNC, &off); /* ditto for async mode */
if (IS)
cfsetispeed(&tmode, speed(IS));
else if (SP)
cfsetispeed(&tmode, speed(SP));
if (OS)
cfsetospeed(&tmode, speed(OS));
else if (SP)
cfsetospeed(&tmode, speed(SP));
set_flags(0);
setchars();
if (raw)
cfmakeraw(&tmode);
if (tcsetattr(STDIN_FILENO, TCSANOW, &tmode) < 0) {
syslog(LOG_ERR, "tcsetattr %s: %m", ttyn);
exit(1);
}
}
int
main(int argc, char *argv[])
{
extern char **environ;
char *tname;
int repcnt = 0, failopenlogged = 0;
struct rlimit limit;
int rval;
signal(SIGINT, SIG_IGN);
/*
signal(SIGQUIT, SIG_DFL);
*/
openlog("getty", LOG_ODELAY|LOG_CONS|LOG_PID, LOG_AUTH);
gethostname(hostname, sizeof(hostname));
if (hostname[0] == '\0')
strlcpy(hostname, "Amnesiac", sizeof hostname);
uname(&kerninfo);
/*
* Limit running time to deal with broken or dead lines.
*/
(void)signal(SIGXCPU, timeoverrun);
limit.rlim_max = RLIM_INFINITY;
limit.rlim_cur = GETTY_TIMEOUT;
(void)setrlimit(RLIMIT_CPU, &limit);
/*
* The following is a work around for vhangup interactions
* which cause great problems getting window systems started.
* If the tty line is "-", we do the old style getty presuming
* that the file descriptors are already set up for us.
* J. Gettys - MIT Project Athena.
*/
if (argc <= 2 || strcmp(argv[2], "-") == 0) {
snprintf(ttyn, sizeof ttyn, "%s", ttyname(0));
} else {
int i;
snprintf(ttyn, sizeof ttyn, "%s%s", dev, argv[2]);
if (strcmp(argv[0], "+") != 0) {
chown(ttyn, 0, 0);
chmod(ttyn, 0600);
revoke(ttyn);
/*
* Delay the open so DTR stays down long enough to be detected.
*/
sleep(2);
while ((i = open(ttyn, O_RDWR)) == -1) {
if ((repcnt % 10 == 0) &&
(errno != ENXIO || !failopenlogged)) {
syslog(LOG_ERR, "%s: %m", ttyn);
closelog();
failopenlogged = 1;
}
repcnt++;
sleep(60);
}
login_tty(i);
}
}
/* Start with default tty settings */
if (tcgetattr(0, &tmode) < 0) {
syslog(LOG_ERR, "%s: %m", ttyn);
exit(1);
}
omode = tmode;
gettable("default", defent);
gendefaults();
tname = "default";
if (argc > 1)
tname = argv[1];
for (;;) {
int off;
gettable(tname, tabent);
if (OPset || EPset || APset)
APset++, OPset++, EPset++;
setdefaults();
off = 0;
(void)tcflush(0, TCIOFLUSH); /* clear out the crap */
ioctl(0, FIONBIO, &off); /* turn off non-blocking mode */
ioctl(0, FIOASYNC, &off); /* ditto for async mode */
if (IS)
cfsetispeed(&tmode, IS);
else if (SP)
cfsetispeed(&tmode, SP);
if (OS)
cfsetospeed(&tmode, OS);
else if (SP)
cfsetospeed(&tmode, SP);
setflags(0);
setchars();
if (tcsetattr(0, TCSANOW, &tmode) < 0) {
syslog(LOG_ERR, "%s: %m", ttyn);
exit(1);
}
if (AB) {
tname = autobaud();
continue;
}
if (PS) {
tname = portselector();
continue;
}
if (CL && *CL)
putpad(CL);
edithost(HE);
if (IM && *IM)
putf(IM);
if (TO) {
signal(SIGALRM, dingdong);
alarm(TO);
}
if ((rval = getname()) == 2) {
oflush();
alarm(0);
signal(SIGALRM, SIG_DFL);
execle(PP, "ppplogin", ttyn, (char *) 0, env);
syslog(LOG_ERR, "%s: %m", PP);
exit(1);
} else if (rval) {
int i;
oflush();
alarm(0);
signal(SIGALRM, SIG_DFL);
if (name[0] == '-') {
xputs("user names may not start with '-'.");
continue;
}
if (!(upper || lower || digit))
continue;
setflags(2);
if (crmod) {
tmode.c_iflag |= ICRNL;
tmode.c_oflag |= ONLCR;
}
if (upper || UC) {
tmode.c_iflag |= IUCLC;
tmode.c_oflag |= OLCUC;
tmode.c_lflag |= XCASE;
}
if (lower || LC) {
tmode.c_iflag &= ~IUCLC;
tmode.c_oflag &= ~OLCUC;
tmode.c_lflag &= ~XCASE;
}
if (tcsetattr(0, TCSANOW, &tmode) < 0) {
syslog(LOG_ERR, "%s: %m", ttyn);
exit(1);
}
signal(SIGINT, SIG_DFL);
for (i = 0; environ[i] != (char *)0; i++)
env[i] = environ[i];
makeenv(&env[i]);
limit.rlim_max = RLIM_INFINITY;
limit.rlim_cur = RLIM_INFINITY;
(void)setrlimit(RLIMIT_CPU, &limit);
execle(LO, "login", "-p", "--", name, (char *)0, env);
syslog(LOG_ERR, "%s: %m", LO);
exit(1);
}
alarm(0);
signal(SIGALRM, SIG_DFL);
signal(SIGINT, SIG_IGN);
if (NX && *NX)
tname = NX;
}
}
