3 * $Id: util.c,v 1.3 2004/04/08 01:36:17 mdw Exp $
5 * Utilities for the client and the server
7 * (c) 2001 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of Trivial IP Encryption (TrIPE).
14 * TrIPE is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * TrIPE is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with TrIPE; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /*----- Header files ------------------------------------------------------*/
36 #include <sys/types.h>
40 #include <mLib/dstr.h>
44 #include <sys/ioctl.h>
46 /*----- Main code ---------------------------------------------------------*/
48 /* --- @u_quotify@ --- *
50 * Arguments: @dstr *d@ = where to write the answer
51 * @const char *p@ = string to quotify
55 * Use: Quotes the given string if necessary, according to our
59 void u_quotify(dstr *d, const char *p)
63 if (*p && !p[strcspn(p, "\"' \t\n\v")])
68 if (*p == '\\' || *p == '\"')
76 /* --- @u_detach@ --- *
82 * Use: Detaches from the current terminal and ensures it can never
83 * acquire a new one. Calls @fork@.
91 if ((fd = open("/dev/tty", O_RDONLY)) >= 0) {
102 /* --- @u_daemon@ --- *
106 * Returns: Zero if OK, nonzero on failure.
108 * Use: Becomes a daemon.
115 if ((kid = fork()) < 0)
123 /*----- That's all, folks -------------------------------------------------*/