xref: /freebsd/lib/libc/gen/crypt.c (revision 1d386b48a555f61cb7325543adbbb5c3f3407a66)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1989 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Tom Truscott.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include <sys/cdefs.h>
36 __SCCSID("@(#)crypt.c	5.11 (Berkeley) 6/25/91");
37 #include <stdio.h>
38 #include <string.h>
39 #include <unistd.h>
40 
41 /*
42  * UNIX password, and DES, encryption.
43  *
44  * since this is non-exportable, this is just a dummy.  if you want real
45  * encryption, make sure you've got libcrypt.a around.
46  */
47 
48 int __freebsd11_des_setkey(const char *key);
49 int __freebsd11_des_cipher(const char *in, char *out, long salt, int num_iter);
50 int __freebsd11_setkey(const char *key);
51 int __freebsd11_encrypt(char *block, int flag);
52 
53 /* ARGSUSED */
54 int
55 __freebsd11_des_setkey(const char *key __unused)
56 {
57 	fprintf(stderr, "WARNING!  des_setkey(3) not present in the system!\n");
58 	return (0);
59 }
60 
61 /* ARGSUSED */
62 int
63 __freebsd11_des_cipher(const char *in, char *out, long salt __unused,
64     int num_iter __unused)
65 {
66 	fprintf(stderr, "WARNING!  des_cipher(3) not present in the system!\n");
67 	bcopy(in, out, 8);
68 	return (0);
69 }
70 
71 /* ARGSUSED */
72 int
73 __freebsd11_setkey(const char *key __unused)
74 {
75 	fprintf(stderr, "WARNING!  setkey(3) not present in the system!\n");
76 	return (0);
77 }
78 
79 /* ARGSUSED */
80 int
81 __freebsd11_encrypt(char *block __unused, int flag __unused)
82 {
83 	fprintf(stderr, "WARNING!  encrypt(3) not present in the system!\n");
84 	return (0);
85 }
86 
87 __sym_compat(des_setkey, __freebsd11_des_setkey, FBSD_1.0);
88 __sym_compat(des_cipher, __freebsd11_des_cipher, FBSD_1.0);
89 __sym_compat(setkey, __freebsd11_setkey, FBSD_1.0);
90 __sym_compat(encrypt, __freebsd11_encrypt, FBSD_1.0);
91