void quit_program(int rc)
{
set_process_permissions(0, 0, xstrtoo(VBOX_ROOT_UMASK, 0));
modem_hangup(&vboxmodem);
log_line(LOG_D, "Closing modem device (%d)...\n", vboxmodem.fd);
if (vboxmodem_close(&vboxmodem) != 0)
{
log_line(LOG_E, "%s (%s)\n", vboxmodem_error(), strerror(errno));
}
if (isdnttyname)
{
printstring(temppathname, "%s/LCK..%s", LOCKDIR, isdnttyname);
lock_remove(temppathname);
printstring(temppathname, "%s/vboxgetty-%s.pid", PIDDIR, isdnttyname);
pid_remove(temppathname);
}
scr_remove_interpreter();
rc_free(rc_getty_c);
breaklist_clear();
log_close();
exit(rc);
}
void check_duplicate_key (word keyno)
{
// int fd;
activation_key ();
if (registered && serial_no == keyno) {
status_line ("!Duplicate key detected");
modem_hangup ();
/*
memset (config, 0, sizeof (struct _configuration));
fd = open (config_file, O_WRONLY|O_BINARY);
write (fd, config, sizeof (struct _configuration));
close (fd);
fclose (logf);
logf = fopen ("SECURITY.CHK", "at");
status_line ("!Security breach");
fclose (logf);
_dos_setfileattr ("SECURITY.CHK", _A_RDONLY|_A_HIDDEN|_A_SYSTEM);
*/
}
}
void main(int argc, char **argv)
{
char *stop;
int opts;
char *debugstr;
int debuglvl;
int i;
int modemstate;
int modeminits;
breaklist_init();
progbasename = argv[0];
if ((stop = rindex(argv[0], '/'))) progbasename = ++stop;
/* Die Argumente des Programms einlesen und den Debuglevel */
/* setzen. */
debugstr = NULL;
isdnttyname = NULL;
while ((opts = getopt_long(argc, argv, "vhx:d:", arguments, (int *)0)) != EOF)
{
switch (opts)
{
case 'x':
debugstr = optarg;
break;
case 'd':
isdnttyname = optarg;
break;
case 'v':
show_usage(200, 0);
break;
case 'h':
default:
show_usage(200, 1);
break;
}
}
if (debugstr)
{
if (strcasecmp(debugstr, "FULL") != 0)
{
debuglvl = LOG_E;
for (i = 0; i < strlen(debugstr); i++)
{
switch (debugstr[i])
{
case 'W':
case 'w':
debuglvl |= LOG_W;
break;
case 'I':
debuglvl |= LOG_I;
break;
case 'A':
debuglvl |= LOG_A;
break;
case 'D':
debuglvl |= LOG_D;
break;
}
}
}
else debuglvl = LOG_X;
log_set_debuglevel(debuglvl);
}
umask(xstrtoo(VBOX_ROOT_UMASK, 0));
/* Pfadangaben vom Devicenamen abschneiden und überprüfen ob */
/* das Device vom Benutzer gelesen und beschrieben werden */
/* kann (eigentlich nicht nötig, da nur unter Rootrechten ge- */
/* startet werden kann. */
if (isdnttyname)
{
if ((stop = rindex(isdnttyname, '/'))) isdnttyname = ++stop;
printstring(savettydname, "%s" , isdnttyname);
printstring(temppathname, "/dev/%s", isdnttyname);
if (access(temppathname, F_OK|R_OK|W_OK) != 0)
{
fprintf(stderr, "\n%s: error: \"%s\" doesn't exist or is not accessible!\n\n", progbasename, temppathname);
quit_program(100);
}
}
else
{
fprintf(stderr, "\n%s: error: isdn tty name is required!\n", progbasename);
show_usage(100, 1);
}
/* Prüfen ob das Programm unter Rootrechten gestartet wurde. Die */
/* Rechte werden später auf die des jeweiligen Benutzers geän- */
/* dert, zum Start sind aber Rootrechte nötig. */
if (getuid() != 0)
{
fprintf(stderr, "\n%s: error: need root privilegs to start!\n\n", progbasename);
quit_program(100);
}
/* Jetzt wird der Log geöffnet. Der Name des aktuellen Devices */
/* wird an das Ende angehängt. */
printstring(temppathname, "%s/vboxgetty-%s.log", LOGDIR, isdnttyname);
log_open(temppathname);
/* Tcl-Interpreter starten. Für die momentanen Funktionen wird */
/* Version 8 oder höher benötigt. */
if (scr_create_interpreter() == -1)
{
log_line(LOG_E, "Can't create/initialize the tcl interpreter!\n");
quit_program(100);
}
log_line(LOG_I, "Running vbox version %s (with tcl version %s).\n", VERSION, scr_tcl_version());
/* Konfiguration des getty's abarbeiten. Zuerst wird die globale, */
/* dann die des jeweiligen tty's eingelesen. */
if (vboxgettyrc_parse(isdnttyname) == -1)
{
log_line(LOG_E, "Unable to read/parse configuration!\n");
quit_program(100);
}
/* Modem Device öffnen und die interne Initialisierung */
/* ausführen (nicht der normale Modeminit). */
printstring(temppathname, "/dev/%s", isdnttyname);
log_line(LOG_D, "Opening modem device \"%s\" (38400, CTS/RTS)...\n", temppathname);
if (vboxmodem_open(&vboxmodem, temppathname) == -1)
{
log_line(LOG_E, "Can't open/setup modem device (%s).\n", vboxmodem_error());
quit_program(100);
}
/* Lock- und PID-Datei für den getty und das entsprechende */
/* Device erzeugen. */
printstring(temppathname, "%s/LCK..%s", LOCKDIR, isdnttyname);
if (lock_create(temppathname) == -1) quit_program(100);
printstring(temppathname, "%s/vboxgetty-%s.pid", PIDDIR, isdnttyname);
pid_create(temppathname);
/* Signalhändler installieren. Alle möglichen Signale werden */
/* auf quit_program() umgelenkt. */
signal(SIGINT , quit_program);
signal(SIGTERM, quit_program);
signal(SIGHUP , quit_program);
/* Hauptloop: Der Loop wird nur verlassen, wenn während der */
/* Abarbeitung ein Fehler aufgetreten ist. Das Programm be- */
/* endet sich danach! */
modemstate = VBOXMODEM_STAT_INIT;
modeminits = 0;
while (modemstate != VBOXMODEM_STAT_EXIT)
{
switch (modemstate)
{
case VBOXMODEM_STAT_INIT:
if (run_modem_init() == -1)
{
if ((i = (int)xstrtol(rc_get_entry(rc_getty_c, "badinitsexit"), 10)) > 0)
{
modeminits++;
if (modeminits >= i)
{
modemstate = VBOXMODEM_STAT_EXIT;
modeminits = 0;
log_line(LOG_E, "Exit program while bad init limit are reached.\n");
}
else log_line(LOG_W, "Bad initialization - Program will exist on %d trys!\n", (i - modeminits));
}
}
else
{
modemstate = VBOXMODEM_STAT_WAIT;
modeminits = 0;
}
break;
case VBOXMODEM_STAT_WAIT:
modem_flush(&vboxmodem, 0);
if (modem_wait(&vboxmodem) == 0)
{
modemstate = VBOXMODEM_STAT_RING;
modeminits = 0;
}
else modemstate = VBOXMODEM_STAT_TEST;
break;
case VBOXMODEM_STAT_TEST:
log_line(LOG_D, "Checking if modem is still alive...\n");
if (modem_command(&vboxmodem, "AT", "OK") > 0)
{
modemstate = VBOXMODEM_STAT_WAIT;
modeminits = 0;
}
else modemstate = VBOXMODEM_STAT_INIT;
break;
case VBOXMODEM_STAT_RING:
modem_set_nocarrier(&vboxmodem, 0);
process_incoming_call();
modem_hangup(&vboxmodem);
if (set_process_permissions(0, 0, xstrtoo(VBOX_ROOT_UMASK, 0)) != 0)
modemstate = VBOXMODEM_STAT_EXIT;
else
modemstate = VBOXMODEM_STAT_INIT;
break;
default:
log_line(LOG_E, "Unknown modem status %d!\n", modemstate);
modemstate = VBOXMODEM_STAT_INIT;
break;
}
}
quit_program(0);
}
