xref: /freebsd/lib/libc/gen/crypt.c (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*
2  * Copyright (c) 1989 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Tom Truscott.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #if defined(LIBC_SCCS) && !defined(lint)
34 /* from static char sccsid[] = "@(#)crypt.c	5.11 (Berkeley) 6/25/91"; */
35 #endif /* LIBC_SCCS and not lint */
36 
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39 
40 #include <stdio.h>
41 #include <string.h>
42 #include <unistd.h>
43 
44 /*
45  * UNIX password, and DES, encryption.
46  *
47  * since this is non-exportable, this is just a dummy.  if you want real
48  * encryption, make sure you've got libcrypt.a around.
49  */
50 
51 __warn_references(des_setkey,
52 	"WARNING!  des_setkey(3) not present in the system!");
53 
54 /* ARGSUSED */
55 int
56 des_setkey(const char *key __unused)
57 {
58 	fprintf(stderr, "WARNING!  des_setkey(3) not present in the system!\n");
59 	return (0);
60 }
61 
62 __warn_references(des_cipher,
63 	"WARNING!  des_cipher(3) not present in the system!");
64 
65 /* ARGSUSED */
66 int
67 des_cipher(const char *in, char *out, long salt __unused, int num_iter __unused)
68 {
69 	fprintf(stderr, "WARNING!  des_cipher(3) not present in the system!\n");
70 	bcopy(in, out, 8);
71 	return (0);
72 }
73 
74 __warn_references(setkey,
75 	"WARNING!  setkey(3) not present in the system!");
76 
77 /* ARGSUSED */
78 int
79 setkey(const char *key __unused)
80 {
81 	fprintf(stderr, "WARNING!  setkey(3) not present in the system!\n");
82 	return (0);
83 }
84 
85 __warn_references(encrypt,
86 	"WARNING!  encrypt(3) not present in the system!");
87 
88 /* ARGSUSED */
89 int
90 encrypt(char *block __unused, int flag __unused)
91 {
92 	fprintf(stderr, "WARNING!  encrypt(3) not present in the system!\n");
93 	return (0);
94 }
95