1 /* $NetBSD: makekey.c,v 1.8 2008/07/20 01:09:07 lukem 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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 __COPYRIGHT("@(#) Copyright (c) 1990, 1993\
35 The Regents of the University of California. All rights reserved.");
36 #if 0
37 static char sccsid[] = "from: @(#)makekey.c 8.1 (Berkeley) 6/4/93";
38 #else
39 __RCSID("$NetBSD: makekey.c,v 1.8 2008/07/20 01:09:07 lukem Exp $");
40 #endif
41 #endif /* not lint */
42
43 #include <err.h>
44 #include <errno.h>
45 #include <string.h>
46 #include <stdlib.h>
47 #include <unistd.h>
48
49 static void get(char *, int);
50 int main(void);
51
52 int
main(void)53 main(void)
54 {
55 int len;
56 char *r, key[9], salt[3];
57
58 get(key, sizeof(key) - 1);
59 get(salt, sizeof(salt) - 1);
60 len = strlen(r = crypt(key, salt));
61 if (write(STDOUT_FILENO, r, len) != len)
62 err(1, "stdout");
63 exit(0);
64 }
65
66 static void
get(char * bp,int len)67 get(char *bp, int len)
68 {
69 int nr;
70
71 bp[len] = '\0';
72 if ((nr = read(STDIN_FILENO, bp, len)) == len)
73 return;
74 if (nr >= 0)
75 errno = EFTYPE;
76 err(1, "stdin");
77 }
78