makekey.c revision 1.6 
1/*	$NetBSD: makekey.c,v 1.6 2001/01/16 02:44:43 cgd Exp $	*/
2
3/*-
4 * Copyright (c) 1990, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include <sys/cdefs.h>
37#ifndef lint
38__COPYRIGHT("@(#) Copyright (c) 1990, 1993\n\
39	The Regents of the University of California.  All rights reserved.\n");
40#if 0
41static char sccsid[] = "from: @(#)makekey.c	8.1 (Berkeley) 6/4/93";
42#else
43__RCSID("$NetBSD: makekey.c,v 1.6 2001/01/16 02:44:43 cgd Exp $");
44#endif
45#endif /* not lint */
46
47#include <err.h>
48#include <errno.h>
49#include <string.h>
50#include <stdlib.h>
51#include <unistd.h>
52
53static void get(char *, int);
54int main(void);
55
56int
57main(void)
58{
59	int len;
60	char *r, key[9], salt[3];
61
62	get(key, sizeof(key) - 1);
63	get(salt, sizeof(salt) - 1);
64	len = strlen(r = crypt(key, salt));
65	if (write(STDOUT_FILENO, r, len) != len)
66		err(1, "stdout");
67	exit(0);
68}
69
70static void
71get(char *bp, int len)
72{
73	int nr;
74
75	bp[len] = '\0';
76	if ((nr = read(STDIN_FILENO, bp, len)) == len)
77		return;
78	if (nr >= 0)
79		errno = EFTYPE;
80	err(1, "stdin");
81}
82