+++ /dev/null
-/* -*-c-*-
- *
- * $Id: util.c,v 1.3 2004/04/08 01:36:17 mdw Exp $
- *
- * Utilities for the client and the server
- *
- * (c) 2001 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of Trivial IP Encryption (TrIPE).
- *
- * TrIPE is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * TrIPE is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with TrIPE; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-/*----- Header files ------------------------------------------------------*/
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/types.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "util.h"
-
-#include <sys/ioctl.h>
-
-/*----- Main code ---------------------------------------------------------*/
-
-/* --- @u_detach@ --- *
- *
- * Arguments: ---
- *
- * Returns: ---
- *
- * Use: Detaches from the current terminal and ensures it can never
- * acquire a new one. Calls @fork@.
- */
-
-void u_detach(void)
-{
-#ifdef TIOCNOTTY
- {
- int fd;
- if ((fd = open("/dev/tty", O_RDONLY)) >= 0) {
- ioctl(fd, TIOCNOTTY);
- close(fd);
- }
- }
-#endif
- setsid();
- if (fork() > 0)
- _exit(0);
-}
-
-/* --- @u_daemon@ --- *
- *
- * Arguments: ---
- *
- * Returns: Zero if OK, nonzero on failure.
- *
- * Use: Becomes a daemon.
- */
-
-int u_daemon(void)
-{
- pid_t kid;
-
- if ((kid = fork()) < 0)
- return (-1);
- if (kid)
- _exit(0);
- u_detach();
- return (0);
-}
-
-/*----- That's all, folks -------------------------------------------------*/